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HJ 2040-2014

Chinese Standard: 'HJ 2040-2014'
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Detail Information of HJ 2040-2014; HJ2040-2014
Description (Translated English): Environmental Protection
Sector / Industry: Environmental Protection Industry Standard
Classification of Chinese Standard: Z25
Classification of International Standard: 13.040.40
Word Count Estimation: 37,314
Date of Issue: 6/10/2014
Date of Implementation: 9/1/2014
Quoted Standard: GB 536; GB 2440; GB 12348; GB 13223; GB 18598; GB 18599; GB 26164.1; GB 50040; GB/T 12801; GB/T 21509; GB/T 27869; GB/T 50087; GBZ 1; GBZ 2.1; HJ 562; HJ 563; HJ 2000; HJ 2001; HJ/T 75; HJ/T 76; HJ/T 178; HJ/T 179; HJ/T 212; HJ/T 255; DL 5009.1; DL 5053;
Drafting Organization: Chinese Society for Environmental Sciences
Administrative Organization: ?Ministry of Environmental Protection Science, Technology
Regulation (derived from): Ministry of Environmental Protection Notice No. 42 of 2014
Issuing agency(ies): Ministry of Environmental Protection
Summary: This standard specifies the requirements of thermal power plant flue gas treatment facilities in operation, inspection and maintenance management and other aspects. This standard applies to more than 200 MW thermal power plant units supporting flue gas tr


HJ 2040-2014
Management technical specification of the operation of flue gas treatment facilities of thermal power plant
People's Republic of China National Environmental Protection Standards
Thermal power plant flue gas treatment facilities operation and management of the technical specifications
Management technical specification of the operation of flue gas treatment
facilities of thermal power plant
Issued on:2014-06-10
2014-09-01 implementation
Issued by the Ministry of Environmental Protection
table of Contents
Preface .II
1 Scope 1
2 Normative references 1
3 Terms and definitions .. 3
4 general requirements 3
5 flue gas treatment facilities in operation, repair and maintenance 4
6 flue gas treatment facilities in operation, repair, maintenance, process requirements .7
7 Safety, Health, Environment 12
Commitment Appendix A (informative) flue gas treatment facilities of claim 14
Annex B (informative) flue gas treatment facilities and periodically switching requirements ..20
Annex C (informative) flue gas treatment facilities regularly test requirements ..21
Annex D (informative) flue gas treatment facilities handling Troubleshooting .24
Content Appendix E (normative) flue gas treatment facilities to run the report .. 40
Foreword
To implement the "Air Pollution Prevention Law" to regulate the operation and management of thermal power plant flue gas treatment works, control of environmental pollution, improve
High air quality and improve the environment, the development of this standard.
This standard specifies the requirements of thermal power plant flue gas treatment facilities operation, maintenance and management and maintenance.
This standard is the guiding document.
This standard is the first release.
This standard is developed by the Ministry of Environmental Protection Science, Technology organization.
This standard was drafted: Chinese Society for Environmental Sciences, State Power Environmental Protection Research Institute, Beijing Guodian Longyuan Environmental Engineering have
Ltd., Fujian Longking Co., Ltd., China Academy of Environmental Sciences.
This standard Ministry of Environmental Protection June 10, 2014 for approval.
This standard since September 1, 2014 implementation.
The standard explanation by the Ministry of Environmental Protection.
Thermal power plant flue gas treatment facilities operation and management of the technical specifications
1 Scope
This standard specifies the requirements of thermal power plant flue gas treatment facilities in operation, inspection and maintenance management and other aspects.
This standard applies to more than 200 MW thermal power plant units supporting flue gas treatment facilities and other units can be implemented by reference.
2 Normative references
The standard content of the following documents cited in the articles. For undated references, the effective version applies to this
standard.
GB 536 liquid anhydrous ammonia
GB 2440 urea
GB 12348 industrial enterprises of environmental noise emission standard plant boundary
GB 13223 Thermal Power Plant Air Pollutant Emission Standards
GB 18598 Hazardous Waste Landfill Pollution Control Standard
GB 18599 general industrial solid waste storage and disposal site pollution control standards
GB 26164.1 electricity industry safety regulations - Part 1: Thermal and mechanical part
GB 50040 dynamic machine foundation design specification
GB/T 12801 General requirements for the production process safety and health
GB/T 21509 from flue gas denitrification technology and equipment
GB/T 27869 Electrostatic Fabric Filter
GB J 87 industrial enterprises in the field area of noise control design specifications
GB Z 1 Design of Industrial Enterprises hygiene standards
GB Z 2.1 hazardous industrial sites Occupational Exposure Limits for chemical harmful factors
HJ 562 thermal power plant flue gas denitration project technical specifications selective catalytic reduction
HJ 563 thermal power plant flue gas denitration project technical specifications selective non-catalytic reduction
HJ 2000 air pollution control engineering and technical guidelines
HJ 2001 thermal power plant flue gas desulfurization project technical specification ammonia
HJ -BAT-001 coal-fired power plant pollution control BAT guidelines (Trial)
HJ/T 75 stationary sources Continuous Emission Monitoring System Specification (Trial)
HJ/T 76 stationary sources Continuous Emission Monitoring system technical requirements and test methods (Trial)
HJ/T 178 thermal power plant flue gas desulfurization project technical specification flue gas CFB
HJ/T 179 thermal power plant flue gas desulfurization project technical specification limestone/lime - gypsum
HJ/T 212 pollution-line automatic monitoring (monitoring) system data transmission standards
HJ/T 255 Construction Project Environmental Protection acceptance for power plant
DL 5009.1 power construction safety regulations Part I: Thermal Power Plant
DL 5053 Power Plant labor safety and industrial hygiene design procedures
DL/T 322 thermal power plant flue gas denitrification (SCR) equipment maintenance procedures
DL/T 335 thermal power plant flue gas denitrification (SCR) system operating specifications
DL/T 341 Power Plant limestone/lime - gypsum wet flue gas desulfurization plant maintenance guidelines
DL/T 362 coal-fired power plant environmental facilities health evaluation of technical specifications
DL/T 414 Thermal Power Plant Environmental Monitoring Technical Specifications
DL/T 461 coal-fired power plant operation and maintenance of ESP Management Guide
DL/T 692 emergency ambulance power industry technical specifications
DL/T 748.1 BOILER Unit Maintenance Guide - Part 1: General
DL/T 748.6 BOILER Unit Maintenance Guide - Part 6: Dust overhaul
DL/T 748.10 power plant boiler unit maintenance guide - Part 10: desulfurization plant maintenance
DL/T 799 power industry working environment monitoring technical specifications
DL/T 838 Power Plant Maintenance Guide
DL/T 986 wet flue gas desulfurization performance testing specifications
DL/T 997 Thermal Power Plant limestone - gypsum wet desulphurization wastewater quality control targets
DL/T 999 Limestone - gypsum wet flue gas desulfurization equipment performance acceptance test specifications
DL/T 1050 Electric Power Environmental Protection Technology Supervision Guidelines
DL/T 1051 Electric Power Technical Supervision Guidelines
DL/T 1121 coal-fired power plant boiler flue gas dust bag engineering and technical specifications
DL/T 1149 Power Plant limestone/lime - gypsum wet flue gas desulfurization unit to run Guide
DL/T 5196 Technical specification for power plant flue gas desulfurization design
DL/Z 870 thermal power equipment enterprise Point Inspection Based Maintenance Management Guidelines
JB/T 6407 ESP design, commissioning, operation, maintenance and safety specifications
"Pollution automatic monitoring and management approach" (SEPA 2005 28 Decree)
"Source of pollution automatic monitoring facilities operation and management approach" (Ministry of Environmental Protection, 2008 UNCED [2008] No. 6)
"Dangerous chemical safety regulations" (People's Republic of China State Council Decree No. 591 of 2011)
"Source of pollution automatic monitoring facilities on-site supervision and inspection measures" (Ministry of Environmental Protection Decree 19 of 2012)
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1 thermal power plant flue gas treatment facilities, flue gas treatment facilities of thermal power plant
For the management of thermal power plant emissions of sulfur dioxide in the flue gas (SO2), nitrogen oxides (NOx), soot and other air pollutants, mention
High air quality and improve the environment and to build facilities. In this standard specifically refers to the flue gas denitrification facilities and flue gas dust removal facilities
Flue gas desulphurization facilities and supporting continuous testing facilities.
4 general requirements
Technology selection and construction 4.1 flue gas treatment facilities shall meet the requirements of relevant national standards and regulations, and through the construction project
Environmental Protection Acceptance Check.
4.2 flue gas treatment facilities put into operation, thermal power plant air pollutant emission concentration in the flue gas should meet national and local emission standards,
SO2 and NOx emissions should also meet the requirements of national and local total control of.
4.3 flue gas treatment facilities is an integral part of the production system of thermal power plants, shall require the master device operation, repair and maintenance of pipes
Management.
4.4 Power Plant should be established to protect the flue gas treatment facilities and reliable operation of the management system, including organizational structure, system
Degree, regulations, accident prevention and emergency plans, personnel training, technology management and assessment methods and the like.
4.5 Power Plant should be the premise of ensuring reliable operation of flue gas treatment facilities and emissions of pollutant concentrations stability and compliance, continuous optimization
Run, energy-saving economy.
4.6 flue gas treatment facilities run by autonomous thermal power plants can also be done by institutions with qualified operators run.
4.7 thermal power plant flue gas treatment facilities should be in accordance with "pollution automatic monitoring and management approach" and HJ/T 76 requirements, installation atmosphere
Continuous emissions testing equipment, its operation and management should meet the "source of pollution automatic monitoring facilities operation and management," the "dirty
Transfection source automatic monitoring facilities on-site supervision and inspection practices "and other related environmental requirements.
4.8 Power Plant should establish and strengthen flue gas treatment facilities completion data, the operator of the procurement of raw materials and consumption, system operation maintenance,
Equipment maintenance and personnel training records and reports, records management a variety of other materials, to create an electronic file, and in accordance with
Environmental requirements establish a standard historical data collection, archiving, reporting, filing system, running data, records and other relevant information
Save life and will meet environmental requirements.
4.9 Power Plant shall DL T 1050, DL/T 1051 requirements/strengthen technical supervision and management of flue gas treatment facilities to
It should include less contamination detection and Status, fuel quality (calorific value, sulfur, ash, etc.), consumables quality, key
Equipment operating conditions, as well as by-product quality control facilities, maintenance and other related aspects of the maintenance period.
4.10 Thermal Power Plant should be in accordance with DL/T 362 requirements, regular health flue gas treatment facilities were evaluated, formation evaluation,
Improvement, supervision, re-evaluation, continuous improvement loop management.
4.11 flue gas treatment facilities operation and management should be to reconcile, to prevent and reduce the generation between the host and each flue gas treatment facilities unfavorable
influences.
4.12 flue gas treatment facilities in the efficient removal of a single pollutant, it should also strengthen the cooperative control, improve the multi-pollutant joint removal,
Collaborative reduction function.
5 flue gas treatment facilities operation, maintenance and maintenance management
5.1 regulations
5.1.1 Thermal Power Plant should be established to protect the flue gas treatment facilities safe and stable operation of the management system shall include at least the security responsibility
System, personal responsibility, shift system, regular measurement, switching and testing system.
5.1.2 Thermal Power Plant should be well-developed flue gas treatment facilities production procedures shall include at least operating procedures, repair and maintenance procedures,
Tour inspection, periodic testing and switching, online maintenance and calibration of testing facilities.
The main contents 5.1.2.1 operating procedures should include at least a system description, design specifications and equipment specifications flue gas treatment facilities, the Department
Commission inspection, the system starts outage, operation adjustment, periodic testing, troubleshooting, safe operation, operating records and notes
Wait.
5.1.2.2 repair and maintenance procedures should include at least the main content of flue gas treatment facilities system description, design specifications and equipment regulations
Fan, repair and maintenance methods, repair and maintenance management, repair and maintenance of basic procedures and quality standards, technical requirements, equipment
Inspection, repair and maintenance routine, regular repair and maintenance, spare parts and materials and records;
The main contents 5.1.2.3 tour inspection should include at least checking mode (such as routine inspection, special inspection), inspection items, inspection
Check the date or frequency, the issues addressed, inspection records, inspection personnel.
The main contents 5.1.2.4 Periodic tests and should include at least the main switching equipment, regular testing and content switching, classification, requirements,
Projects, responsibilities, division of labor, safety and health risk assessment and control measures.
5.1.2.5 online testing facilities maintenance and checking shall include at least the main content of the daily inspection, routine maintenance, regular checking,
Regular maintenance, uncontrolled data discrimination, comparison testing.
5.1.3 Thermal power plant flue gas treatment facilities should establish and improve accident prevention and emergency response plan should include at least the whole incident should
Emergency plans, special plans for environmental pollution accident, and exercises regularly and documented.
5.1.3.1 Emergency overall contingency plan should at least include abnormal changes in coal quality accident plan, major equipment loss of power accident plan
Wait.
5.1.3.2 Environmental Pollution Accidents special plans should include at least hazardous chemical spill contingency plans, excessive emissions of air pollutants should be
Emergency plans and so on.
5.2 organization and staffing
5.2.1 Thermal Power Plant Flue Gas Treatment Plant through the whole process of production, thermal power plants should be established by the competent factory-level leaders responsible for their own
Relevant departments in charge of environmental management body members.
5.2.2 Thermal Power Plant should establish a sound corporate environmental supervisors system, and the establishment of environmental protection three supervision and management system, including corporate ring
Chief of security or competent leadership, environmental management (including full-time environmental engineer) and the relevant departments responsible for environmental monitoring
Daily management, coordination of various departments do a good job of environmental protection supervision and management.
5.2.3 Thermal Power Plant should establish appropriate environmental testing organization, on flue gas treatment facilities normalization environmental testing.
5.2.4 Production Management agency model:
. A thermal power plant flue gas treatment facilities should set up a special workshop for operation, maintenance and management;
b. operations, administration and maintenance staff flue gas treatment facilities online testing facilities should obtain the appropriate qualifications, the Commission
When entrusted to a third party operator, the operator shall obtain the corresponding operation qualification.
5.2.5 Thermal Power Plant shall be at least one full-time environmental engineer, each flue gas treatment facilities should be set up to run a full-time technical staff,
All managers should be running technical training and assessment, and obtain the corresponding qualifications.
5.2.6 should be individually configured to run and manage personnel flue gas treatment facilities, not less than the host of the quality of personnel requirements.
5.3 Training
5.3.1 Thermal Power Plant should be in accordance with the principle of induction training and regular training, internal training and external training in a variety of ways of combining construction
Run stand perfect flue gas treatment facilities, maintenance, training, maintenance and management mechanisms to ensure that all operational and management personnel
Certificates.
5.3.2 flue gas treatment facilities operation and management staff induction training includes basic theoretical training and hands-on training, training
Qualified before the appointment.
5.3.2.1 basic theoretical training includes denitrification process, dust removal, desulfurization and testing facilities, principles, design specifications and equipment
Norms, as well as air pollution control related laws, regulations and standards.
5.3.2.2 practical training including:
. A start preparation training, including pre-start checks and starting conditions;
. B operation adjustment training, including startup, shutdown, operation adjustment, normal operation, safe operation and so on;
. C training operation monitoring, including monitoring and alarm parameters of inspection, adjustment, correction and so on;
d. Equipment and training operation optimization, including the best run under a variety of conditions discharge, reliable run, the economy, etc.
Check parameters, control and regulation;
. E equipment repair and maintenance training, including major equipment, instrumentation routine and periodic maintenance;
f. Troubleshooting training, including flue gas treatment facilities and major equipment operating common abnormal failure, check
And exclusion and so on;
g. emergency training, including flue gas treatment facilities and major equipment or methods of operation at the accident and emergency
Incident handling;
h. standardized training records and reports, including the standardization of operation, maintenance, maintenance records and standardized reporting.
5.3.3 regular training includes the latest policies, regulations and standards of training, safety training, business skills training, operation excellent
Training, training of economical operation, contingency plans and training exercises.
5.4 Evaluation
5.4.1 Thermal Power Plant should be for the specific characteristics of flue gas treatment facilities, establish and improve the operation, maintenance and repair of the job evaluation system,
Including assessment indicators, performance assessment methods, incentives and disincentives and the like.
Assessment indicators should 5.4.2 of flue gas treatment facilities operation and management, including performance indicators, production management and major equipment tripartite
surface.
Table assessment index 1 flue gas treatment facilities operation and management
Flue gas treatment facilities Indicators denitration facilities dust removal facilities desulphurization facilities online testing facilities
Performance
(1) denitration efficiency
(2) the system put into operation rate
(3) NOx emissions compliance status
And total control of the situation
(4) the reducing agent consumption
(5) power consumption
(6) Ammonia slip
(1) collection efficiency
(2) the system put into operation rate
(3) like soot emissions standards
Conditions (including dust and smoke
Hang terminal emissions)
(4) resistance of the body
(5) air leakage rate
(6) power consumption
(7) Compressed air consumption
(1) Desulfurization efficiency
(2) the system put into operation rate
(3) SO2 emissions compliance status
And total control of the situation
(4) power consumption
(5) Technology (Industry) water consumption
Consumption
(6) absorbents consumption
(7) by-product quality
(1) testing data
accuracy
(2) Detection System
Put into operation rate
management
System (1) System and procedures; (2) the organization; (3) training; (4) contingency plans
run
management
(1) operation, maintenance, maintenance, accounting and records; (2) Detection and analysis report; (3) chemical analysis records; (4) equipment bay
Account; (5) technical information; (6) safe and civilized production; (7) technological improvements and operational optimization
Major equipment with reference to DL/T 362 flue gas treatment facilities, evaluation of the content of the main part of the device.
5.4.3 performance appraisal content of flue gas treatment facilities operation and management should include the effects of flue gas treatment facilities discharge the original
Material inputs, production operations, repair and maintenance, equipment management, and other aspects, such as fuel procurement assessment, absorbent procurement assessment, reduction
Purchasing agent evaluation, assessment of boilers and auxiliary equipment operation, repair and maintenance assessment, management and evaluation instruments, supervision and evaluation of chemical, environmental protection means
Assessment and other standard.
6 flue gas treatment facilities in operation, repair, maintenance process requirements
6.1 flue gas denitrification facilities
6.1.1 General requirements
6.1.1.1 Thermal Power Plant priority should run a good low NOx combustion facilities, comprehensive consideration of the efficiency of the boiler on the basis of control as low as possible
NOx generation amount, and then put into efficient flue gas denitrification facilities to ensure emissions compliance.
6.1.1.2 thermal power plant flue gas denitrification facility operation, maintenance, overhaul should refer to DL/T 335, DL/T 322, HJ 562, HJ 563,
DL/Z 870, DL/T 838, DL/T 748.1 executed.
6.1.1.3 reducing quality and use should meet the GB 536, GB 2440 requirements.
6.1.1.4 denitration catalyst disposal
a. Power Plant response does not satisfy the de-NOx catalyst efficiency requirements for testing to assess whether catalyst regeneration.
b. After testing and evaluation of renewable catalyst activity should be able to partially or completely restored by physical and chemical means,
The main program are: to assess the catalyst regeneration process selection, physical cleaning, activation, heat treatment, performance testing. Specific
Referring HJ 562 executed.
c. After testing and evaluation by professional nonrenewable catalyst manufacturer or the original catalyst supply manufacturers responsible for recycling,
Not free to discard. Serious wear and tear, mechanical breakdown can not be regenerated catalyst recycling should be given priority treatment should be followed
According to GB 18598 for landfill disposal.
6.1.1.5 and prevention of secondary pollution
a. flue gas denitrification facilities should take measures to prevent the leakage of ammonia.
b. denitrification system should be installed in the dilution fan inlet silencer device.
c. When using ammonia as a reducing agent, ammonia storage and supply area should be set up to improve the fire safety system, eyewash, antivirus
Masks, cleaning chemicals, weather vane, etc., ammonia zone should be set to rain, sun and shower facilities, shower facilities should consider winterizing
Measures and regularly eyewash shower facilities maintenance, ensure that the facility is on standby, ready for use, involving ammonia place Yee
Ammonia leak alarm device installed.
6.1.2 Operation Examination
Power Plant should regularly run health flue gas denitrification facility for examination, assessment indicators should include at least the denitration efficiency, the Department of
The system put into operation rate, NOx emission compliance status and total control of the reducing agent consumption, power consumption and so on.
6.1.3 Operation Control
The key process parameters should be monitored operation 6.1.3.1 should include ammonia pressure zone of each device, temperature, ammonia leak; denitrification reactor
Import, export of flue gas temperature, flue gas flow, gas pressure, gas humidity, NOx concentration and oxygen content, import and export differential pressure,
The ammonia injection flow rate, the outlet concentration of ammonia and the reducing agent consumption, dilution fan operation parameters.
Start 6.1.3.2 flue gas denitrification facility outage points refer to Appendix A.1.
a. Start flue gas denitrification facility should have an important rotating equipment, electrical transmission, interlock protection, valves, instrumentation, gas
Leakage passing the test conditions, and in accordance with the relevant standards and vendor specification requirements do before starting inspection, commissioning work,
Before spraying ammonia fumes when conditions are ripe.
b. outage flue gas denitrification facilities should be based on methods and equipment outage situation, carry out inspection, maintenance and repair work. positive
Often outage outage order should be based on operating procedures, should be the long-term outage, tanks, piping and the pit emptying of liquid or gaseous ammonia.
Abnormal outage shall DL/T 335 emergency outage processing operation, inspection and maintenance, and timely reporting to the environmental protection department equipment
Case, resume production as soon as possible.
6.1.3.3 In order to ensure the safe operation of flue gas denitrification facilities, should be running in the flue gas denitrification facilities to run the adjustment and optimization, to mention
High denitrification system run economy. Flue gas denitrification facilities to run the adjustment should follow the following key principles:
. A denitration system, normal and stable operation, accurate and reliable parameters;
. B denitration system operation adjustment subject to changes in load unit, and adjusted at the unit load stable condition;
. C denitration system operation adjustments should adopt a gradual approach to avoid large fluctuations in the operating parameters appears;
d. in meeting emissions and emission limits under the premise of optimizing the operating parameters, improve the economy.
Run 6.1.3.4 flue gas denitrification facilities adjustment should be implemented in the boiler to adjust (the main parameters of the flue gas temperature) on the basis of
The main adjustments include: ammonia injection flow rate, the dilution air flow rate, spray ammonia balance optimization, soot blower soot blowing frequency, specifically Senate
According to DL/T 335 executed.
And periodically switching 6.1.3.5 flue gas denitrification facility reference Appendix Table B.1-1, periodic analysis requires reference to Appendix Table C.1-1, mainly so
Barrier treatment and measures refer to Appendix D.1.
6.1.3.6 flue gas denitrification facilities should be developed for the protection of ammonia, emergency, first aid measures and countermeasures, specific reference to Appendix E Executive
Row.
6.1.4 repair and maintenance
Maintenance cycle 6.1.4.1 flue gas denitrification facilities maintenance projects at all levels, major equipment overhaul processes, quality standards, maintenance records
And related management requirements should refer to DL/T 322 executed.
6.1.4.2 flue gas denitrification facilities maintenance should be included in the whole plant maintenance plan. Power Plant should denitration facilities according to the flue gas
Technology, equipment and other information to develop a detailed maintenance requirements. Maintenance personnel should be regularly checked in accordance with the provisions of maintenance, replacement
Or repair the necessary components, and do maintenance records.
6.2 flue gas dust removal facilities
6.2.1 General requirements
6.2.1.1 ESP operation, testing, maintenance, periodic maintenance, large/small repair and quality inspection should refer to DL/T 461,
DL/T 748.1, DL/T 748.6, JB/T 6407 execution. Electrostatic Fabric Filter electrical area refer to this implementation of the provisions.
6.2.1.2 baghouse operation, repair and maintenance should refer to DL/T 1121 execution. Electrostatic Fabric Filter bags refer to this area
Implementation of the provisions.
6.2.1.3 should be strengthened ash discharge transport safe and civilized production.
6.2.2 Operation Examination
Thermal power plant flue gas dust removal facilities to deal with the health of assessment, assessment indicators should include:
a ESP: Removal Efficiency (according to equipment design allows for correction correction curve), an electric field is put into use rate, resistance,
Air leakage rate, emission concentration, power consumption;
b Electrostatic Fabric Filter: collection efficiency, the electric field is put into use rate, resistance, air leakage rate, emission concentration, bag life,
Power consumption;
c bag filter: collection efficiency, resistance, air leakage rate, emission concentration, bag life.
6.2.3 Operation Control
6.2.3.1 key parameters
a. The key parameters during power precipitator operation should control should include hopper Gao material position and other important alarm signal, Imports & Exports
Dust concentration, flue gas temperature, voltage, current, secondary;
b. The key parameters should Electrostatic Fabric Filter Operation should include import and export control flue gas temperature, smoke concentration, temperature
Alarm, low temperature alarm signal, Gao hopper material level alarm, cleaning pressure alarm number, secondary voltage, secondary current, etc;
c. The key parameters should baghouse operation should be controlled include the import and export of flue gas temperature, smoke concentration, temperature alarm
Signal, low temperature alarm signal, Gao hopper material level alarm, cleaning pressure alarm signals.
Start 6.2.3.2 flue gas dust removal facilities outage points refer to Appendix A.2.
6.2.4 repair and maintenance
6.2.4.1 ESP repair and maintenance should refer DL/T 461, DL/T 748.1, DL/T 748.6, JB/T 6407 execution.
6.2.4.2 Electrostatic Fabric Filter repair and maintenance should reference GB/T 27869, DL/T 461, DL/T 748.1, DL/T 748.6,
JB/T 6407 execution.
6.2.4.3 baghouse operation, repair and maintenance should refer DL/T 1121 execution.
Troubleshooting and main measures 6.2.4.4 flue gas dust removal facilities should refer to Appendix D.2 execution.
6.3 flue gas desulphurization facilities
6.3.1 General requirements
Desulphurization facilities, maintenance, repair and other work should refer to DL/T 1149, HJ 2001, HJ/T 178, HJ/T
179, DL/Z 870, DL/T 748.10, DL/T 341 and other relevant standards and actually need to perform according to the manufacturer.
6.3.2 Operation Examination
6.3.2.1 thermal power plant flue gas desulphurization facilities to deal with the health of assessment, evaluation indicators shall include at least the desulfurization facilities
Operation, on-site safe and civilized production, SO2 concentration, desulfurization efficiency, quality byproducts (such as gypsum quality,
Desulfurization wastewater indicators), exhaust gas temperature, absorbent consumption, water consumption, electricity consumption, gas consumption, the system put into operation rate.
6.3.2.2 thermal power plant flue gas desulphurization facilities to deal with the maintenance of the maintenance assessment, including the elimination vacancy rates, timely rate.
6.3.3 Operation Control
Start 6.3.3.1 flue gas desulphurization facilities should have an important rotating equipment, electrical transmission, interlock protection, valves, meters and other test together
Conditional formatting, and to do a good job before starting inspection, commissioning work, starting with the unit should be as short as possible initiation interval and dust set
Shi should be launched in flue gas desulfurization facilities.
Outage 6.3.3.2 flue gas desulphurization facilities should be combined with a host of conditions listed in the outage plan, unplanned outages and to prepare the environmental protection department Times
Bill, the outage methods and equipment conditions during outage carry out inspection and maintenance repair work, and put into production as soon as possible. system
System outage when the dust removal facilities should be later than the flue gas desulfurization facility outage. Kai, stopping points refer to Appendix A.3, A.4.
6.3.3.3 regularly switching operation should refer to DL/T 1149, HJ 2001, HJ/T 178 requirements related to execution. Slurry system equipment
When disabled, should be strictly washing equipment and associated piping, to prevent the deposition.
6.3.3.4 physical and chemical analysis should be strictly enforced according to relevant regulations, may refer to DL/T 1149, HJ 2001, HJ/T 178-related
It requests the Executive.
6.3.4 repair and maintenance
Maintenance 6.3.4.1 flue gas desulphurization facilities should include routine maintenance and repair verification point. Routine maintenance should include the system clean, tank tube
Channel Leakage treatment, care, and regular inspection of rotating equipment to deal with other emergency situations and so on. Check flue gas treatment facilities
Repair should be set with reference to DL/Z 870 to perform, should determine the point of full-time inspectors duty to do given area, be people, fixed equipment, at the same time point
Inspection personnel to strengthen professional training.
6.3.4.2 maintenance level FGD desulphurization facilities in size and downtime to the principle of the access into the desulfurization facilities
A, B, C, D four grades, with reference to the specific requirements of the access DL/T 748.10 executed. Slurry equipment and associated piping systems
When maintenance and overhaul deal coating and consumable parts, according to anti-corrosion construction and maintenance regulations, strict maintenance and overhaul.
Maintenance 6.3.4.3 flue gas desulphurization facilities should be in accordance with the technical standards, design documents provided by the manufacturer, the prosecution of the same type of desulphurization facilities
Repair experience, and equipment condition assessment results and other reasonable arrangements.
And periodically switching 6.3.4.4 flue gas desulphurization facilities should refer to Appendix Table B.2-1 perform periodic analysis requirements should refer to Appendix Table C.2-1
Execution, and major fault handling measures should refer to Appendix D.3, D.4 execution.
6.4 Continuous Emission testing facilities
6.4.1 General requirements
6.4.1.1 Continuous Emission testing facilities (hereinafter referred to as CEMS) routine inspection, maintenance, calibration and verification, run quality
Assurance, auditing and data processing, data recording and reporting should refer to HJ/T 75 execution.
6.4.1.2 CEMS main technical indicators, test items, test methods and testing quality assurance measures should refer to HJ/T 76 execution
Row.
6.4.1.3 CEMS gas sampling, heaters, automatic sample line heating cast, the set temperature is not lower than 120 ℃, the daily inspection
Check heaters, electric heating, to ensure normal operation.
6.4.1.4 CEMS calibration routine maintenance inspection work should meet the relevant technical standards and environmental requirements.
6.4.1.5 do CEMS original, the net flue gas sampler moisture and water work.
Baseline measurement 6.4.1.6 CEMS dust, SO2, NOx and other instruments should be consistent with GB 13223.
The preservation of historical data and historical curve continuously detected 6.4.1.7 shall meet the requirements of environmental protection and offsite backup job in a timely manner.
6.4.2 Operation Examination
Power Plant should be combined with the actual production and put into operation rate, failure rate, accuracy and other data detection and transmission indicators established CEMS
Assessment mechanism.
6.4.3 Operation Control
6.4.3.1 Daily inspection
Routine inspection at intervals of not more than seven days, inspection records shall include inspection items, inspection date, is run like inspection project
Content and other states, each inspection records should be filed, regular inspection procedures should include the health of the system, CEMS working conditions,
Health system ancillary equipment, system calibration and other items will be seized and records, and the use of the instrument specified in the instructions
Other inspection items and records.
6.4.3.2 daily operation of quality assurance
CEMS daily operation of quality assurance is to protect the CEMS normal and stable operation, continue to provide the data necessary to effectively detect
means. When CEMS can not meet the technical indicators out of control, should take timely corrective measures to shorten the next calibration, Victoria
Interval protection and validation. CEMS test should not be used with the same principle reference method validation CEMS. The CEMS
Periodic calibration, periodic calibration, runaway discrimination data, the detection ratio should refer to HJ/T 75 execution.
6.4.3.3 safe operation
a. a long response time to re-enter the power supply after a power outage CEMS to measure and prevent the unstable power supply
Causing damage to the equipment should be calibrated after CEMS put into operation;
b. inter-instrument small ventilation device periodically checks to prevent gas or standard gas leakage into the small collection of personal productivity
Health damage;
. C device inspected processing when the power supply is cut, prevent equipment leakage phenomenon;
d. Try to use special tools when operating the instrument disassembly.
6.4.3.4 CEMS data analysis and inspection
a.CEMS operation and management personnel should be required to report regularly to print, check the CEMS data logging and excessive run record,
Abnormal timely data feedback. Forming data analysis reports weekly, monthly reports at the end of the formation;
b. should regularly verify the data and abnormal operating conditions and pollution control facilities are consistent with the conclusions adopted in accordance with the analysis
Maintenance and overhaul countermeasures;
c. Data acquisition system should do routine maintenance, regular CEMS detection data backup.
6.4.4 repair and maintenance
6.4.4.1 during operation CEMS regular maintenance is an important task of the daily inspection, regular maintenance should be done:
. A source of pollution to the open furnace after shutdown should go to the scene to clean optical mirror;
b. at least once every 30 days to clean the flue gas isolation and optical probe glass window, check the instrument collimated light path
Situation; to clear the air blowing device to protect a maintenance check the air compressor or blower, hoses, filters and other components;
c. Check at least once every three months gaseous pollutants CEMS filter sampling probe and the pipe junction ash and condensate
Water, the gas cooling components, converters, pump diaphragm aging state;
d. Check every three months at least once fouling and corrosion velocity probe blowback state pump and piping.
6.4.4.2 CEMS during operation of various instruments should be in accordance with the specification requirements for the daily management and maintenance, to be replaced
Of parts.
6.4.4.3 Thermal Power Plant CEMS should establish a sound emergency plan for failure.
6.4.4.4 CEMS equipment management should be implemented to the department by the person responsible.
6.4.4.5 CEMS repair and maintenance and will meet environmental requirements.
6.4.4.6 Daily CEMS should check remote data transmission is detected, the abnormality should be timely, so as to ensure the transmission
normal.
6.4.4.7 When the outsourcing of CEMS operation and maintenance work, should regular operation and maintenance work carried out supervision and inspection.
7 Safety, Health, Environment
Run 7.1 thermal power plant flue treatment facilities should follow the "safety first, prevention first" approach, so as not to affect the thermal power plant safety
Production and civilized production to the principle of continuous improvement of production process safety, health, management of the environment, protection of production personnel
Safety and health, equipment and facilities against damage to the environment from destruction.
7.2 thermal power plant flue gas treatment facilities should be established major hazard identification and evaluation system, strengthen the process of a major security operation
Risk control and flue gas treatment facilities to ensure that accident prevention and emergency plans in a controlled state.
7.3 thermal power plant flue gas treatment facilities for safety management should be consistent with the relevant provisions of GB/T 12801 and GB Z 2.1 and follow safety
Full assessment requirements, regular safety assessment, the formation evaluation, rectification loop management.
7.4 thermal power plant flue gas treatment facilities during the operation of the labor safety and occupational health reference DL 5053 execution.
7.5 thermal power plant flue gas treatment facilities in operation, safety inspection, maintenance and management personnel working in production and work requirements in reference
GB 26164.1 execution. Operation, maintenance, maintenance, safety and health measures should be taken in the process, safe and civilized construction measures parameters
According to DL 5009.1 executed, such as emergency rescue situations with reference to DL/T 692 executed.
7.6 Power Plant should be in accordance with "dangerous chemical safety regulations" to strengthen the flue gas treatment facilities involved in the operation of hazardous
Learning management products.
7.7 anti-leak of flue gas treatment facilities, anti-noise and vibration, anti-electromagnetic radiation, heatstroke and other cold requirement is consistent with
GB Z provisions 1.
7.8 thermal power plant flue gas treatment facilities should establish and improve the environmental aspects and evaluation system, strengthen the environmental factors during the operation of control
system.
7.9 Measures of flue gas treatment facilities shall take effective sound insulation, noise reduction, greening noise reduction, noise, vibration should
Meet GB J 87 and GB 50040, factory noise should comply with GB 12348 requirements.
7.10 thermal power plant flue gas treatment process produces byproducts fly ash, gypsum and other utilization should be given priority, they will not have the comprehensive utilization
Conditions of storage and disposal should be taken in accordance with the relevant requirements, should meet the specific requirements of GB 18599.
7.11 Wastewater Treatment of flue gas produced during the discharge should be treated or utilization.
Commitment requires Annex A (informative) flue gas treatment facilities
Commitment requires A.1 selective catalytic reduction (SCR) flue gas denitrification facilities
A.1.1 put into operation before the test
(1) General or auxiliary operations specification shall be checked to confirm SCR system has put into operation conditions.
(2) after a long time out started to deal with the pipeline for ammonia nitrogen purge; purging pressure 0.4 MPa, emissions,
Pressurized repeated 2-3 times.
(3) should refer to before the start of DL/T 335 in 5.1.3 diluted ammonia storage and discharge system, ammonia evaporation system, dilute
Release fan system, sampling cycle fan system, soot blower, SCR flue gas system to conduct a comprehensive inspection to ensure compliance with various systems
Start requirements.
A.1.2 boot
A.1.2.1 24 hours before spraying ammonia, starting flue gas analyzer.
A.1.2.2 After starting the boiler, observe the flue gas temperature and combustion conditions, confirm SCR region no combustible deposits.
A.1.2.3 confirm ammonia shut-off valve is closed, the ammonia flow controller is switched to "manual" mode, turn off the ammonia flow control valve.
A.1.2.4 start dilution fan, confirm the total dilution air flow exceeds the design value; good air flow is set to debug,
Generally should not be easily changed.
A.1.2.5 start when ammonia evaporation system to make sure the ammonia pressure of about 0.3 MPa, the control valve is switched to "automatic" mode.
A.1.2.6 When SCR imported flue gas temperature greater than 320 ° C and less than 410 ° C, can open the door off the buffer tank outlet,
Open the shut-off valve ammonia.
A.1.2.7 before ammonia is injected into the flue gas, throttle ammonia/air distribution manifold should be in the fully open state.
A.1.2.8 manually adjustable flow control valve, supply ammonia as ammonia/air mixer, pay attention to controlling the ammonia/air mixture
Ammonia is not more than 5% by volume, and the ammonia/air mixture leads to an ammonia injection grid.
A.1.2.9 an SCR inlet NOx concentration in the flue gas and the load conditions, to SCR outlet NOx concentration, ammonia slip
Indicators should meet environmental standards, manually adjust the ammonia flow control valve slow, steady ammonia flow controller will switch to the "automatic"
Mode, confirmed SCR system is operating normally.
A.1.2.10 Confirm SCR temperature based on import and export inspection of boiler operating conditions, NOx and O2 concentration, and flow rate for ammonia
Should the pressure and flow rate of the dilution air is normal. If the SCR outlet NOx concentration shown to increase with the amount of ammonia injection values change or
Clearly erroneous, it is timely for the entire denitration system check processing and suspended spray ammonia.
A.1.3 System Outage
A.1.3.1 before normal outage response system denitration equipment to conduct a comprehensive inspection, the defects found in the relevant record
Recorded in the thin, defect and timely entry system network so that maintenance personnel be processed according to inspection records.
A.1.3.2 When the ammonia slip rate exceeds the design value and the adjustment of non-compliance, or ammonia supply system fails after, it should stop
For ammonia; when the catalyst is congested, and after normal sootblowing can not dredge, or instrument gas system failure, power outages
When should denitration system outage.
A.1.3.3 manually or automatically shut off ammonia valve, stop for ammonia, so as to achieve an emergency shutdown of the SCR system.
A.1.3.3.1 following situations occur, you should immediately confirm the ammonia off valve closes automatically:
. A boiler emergency shutdown;
. B reactor inlet flue gas temperature is low;
. C ammonia/air mixing ratio;
d. power.
A.1.3.3.2 should keep the dilution fan continues to run, ammonia injection pipe purge. Such as boiler still running, once the system
Tripping system to identify and recover the normal start-up procedure to start the SCR system; such as boilers difficult to restore normal operation, should make
Dilution fan has been run, it will remain in the mixer and ammonia pipeline purged, then continue normal shutdown procedure.
A.1.3.3.3 If the instrument can not be supplied with air, SCR systems shall be in accordance with the "normal shutdown procedure" in downtime.
Commitment requires A.2 dust removal facilities
A.2.1 boot
A.2.1.1 Electrostatic Precipitator
Dust before starting, make sure that no one in the dust, all of Confucian closed.
Before boiler ignition 2 h, turn on collecting and discharge electrodes by rapping device and placed in the "manual" position, it is in continuous
Rapping state, when the boiler combustion stability to the operation switch to "Auto" position, it automatically cycle rapping.
Before boiler ignition 4 h, it should open the corresponding conveying system.
Before boiler ignition 24 h, turn on the heating device incubator, ash bucket steam heating or electric heating means for electrostatic precipitator inlet
Preheated, and put into a thermostat and temperature patrol unit. Boiler firing during startup, input after coal combustion stability and should
When put into operation as soon as the ESP should normally be in the boiler load reaches 70% of rated load or the exhaust gas temperature reaches 110 ℃, put into operation high
Voltage power supply, control system, and set the operating parameters.
When the boiler is in a low load cast oil combustion, should be rapping rapping manual control system maintains the state to prevent oil, ash mixed
It was adhered to the top plate and affect normal operation of the electrostatic precipitator.
ESP in the ignition, the fuel load is low, if special reasons can not put into operation as a general rule, be divided into two cases
OPERATION:
. A low load OPERATION: When the boiler load reaches 40%, the high pressure precipitator field operational conditions, namely
Secondary voltage control from manually running at less than the spark voltage 10 KV-15 KV to run until the boiler load reaches 70%
Fixed raised to the normal operating voltage.
b boiler ignition, the fuel put into operation: fuel boiler put into operation, the first high pressure precipitator field operational conditions,
Secondary voltage control in the manual that will run below the spark voltage 10 kV-15 kV run until the boiler load reaches 40% again
The other field operational conditions, to be negative Heda boiler automatically increased to 70% of the normal operating voltage.
A.2.1.2 baghouse
Before boiler ignition 8 h, respond bag prec......
Related standard:   HJ 2039-2014  HJ 2046-2014
   
 
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