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GB 13561.1-2009: Safety rules on port continuous handling facilities -- Part 1: Grain silos system
Status: Valid GB 13561.1: Evolution and historical versions
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| GB 13561.1-2009 | English | 259 |
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Safety rules on port continuous handling facilities -- Part 1: Grain silos system
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GB 13561.1-2009
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| GB 13561.1-1992 | English | 279 |
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Safety rules on portcontinuous handling facilities--Grain silos system
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Standard similar to GB 13561.1-2009 GB/T 36410.1 GB/T 36410.2 GB/T 13561.3 Basic data | Standard ID | GB 13561.1-2009 (GB13561.1-2009) | | Description (Translated English) | Safety rules on port continuous handling facilities -- Part 1: Grain silos system | | Sector / Industry | National Standard | | Classification of Chinese Standard | R46 | | Classification of International Standard | 03.220.40; 53.080 | | Word Count Estimation | 11,164 | | Date of Issue | 2009-06-04 | | Date of Implementation | 2010-01-01 | | Older Standard (superseded by this standard) | GB 13561.1-1992 | | Quoted Standard | GB 8958; GB 12158; GB 12476.1; GB/T 13561.2; GB/T 13561.3; GB/T 13561.6; GB 15577; GB 15603; GB/T 15605; GB 17440; GB 17918; GB/T 17919; GB 50016; GB 50052; GB 50053; GB 50057; GB 50058; GB 50077; GB 50140; GB 50322; GBZ 2.1; JT 556; JTJ 211; LS/T 1201; LS/T 1202 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 7, 2009 (No. 147 overall) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard applies to the system layout and structure, process design and handling equipment, electrical and control systems, electrostatic protection, ventilation and dust, fire facilities, fumigation and safety management, and other basic requirements of fire and explosion of port Grain silos. This standard applies to the port Grain silos' fire and explosion system design, security configuration and security management facilities. | GB 13561.1-2009: Safety rules on port continuous handling facilities -- Part 1: Grain silos system
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Safety rules on portcontinuous handling facilities.Part 1. Grain silos system
ICS 03.220.40; 53.080
R46
National Standards of People's Republic of China
Replacing GB 13561.1-1992
Port of continuous handling equipment safety procedures
Part 1. Grain silos system
Posted 2009-06-04
2010-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
All technical content in this section is mandatory.
GB 13561 "port 's continuous handling facilities safety rules" consists of four parts.
--- Part 1. Grain silos system;
--- Part 2. Pneumatic unloader;
--- Part 3. belt conveyor, buried scraper conveyor and bucket elevator;
--- Part 6. continuous handling machinery.
This is Part 1 GB 13561's.
This Part replaces GB 13561.1-1992 "port 's continuous handling equipment safety procedures Grain silos system."
This part of the main technical differences compared with GB 13561.1-1992 as follows.
--- Increased grain dust, dust explosion hazard, secondary explosions, grain dust explosion, explosion relief, explosion and seven fumigation technique
Terms and definitions (see 3.3,3.4,3.5,3.6,3.7,3.8 and 3.9);
--- Improve the layout and structure of security requirements (see 4.2,4.3.3,4.3.4,4.4.6);
--- Improve the venting of security requirements (see 4.4.1,4.4.3);
--- Reducing the explosion safety requirements (see 4.4.5);
--- Canceled 4.5, and the content incorporated 5.1,7.10 11.13;
--- Improve the process design and safety requirements for handling equipment (see 5.1.1,5.1.2,5.2.1,5.2.3, etc.);
--- Improving the security requirements monitoring system (see 6.1.2,6.1.3,6.2.1,6.2.2,6.2.3, etc.);
--- Improving the electrostatic protection of safety requirements (see 7.1,7.2,7.3, etc.);
--- Improved ventilation and dust removal of security requirements (see 8.1.1,8.2.1,8.2.6,8.3.1,8.3.6, etc.);
--- Improving the fumigation of security requirements (see 10.1, 10.2, etc.);
--- Reducing fire equipment disposed of safety requirements (see 9.4);
--- Canceled the 1992 version of Appendix A.
This part is proposed by the Ministry of Transport of the People's Republic of China.
This part of the jurisdiction of the Ministry of Communications Port Machinery standard focal point.
This section drafted by. Institute of Water Transport Department of Transportation.
The main drafters of this section. Xietian Sheng, Fu Ling, Yu-dimensional sewing, Lee Ruijin.
This part of the standard replaces the previous editions are.
--- GB 13561.1-1992.
Port of continuous handling equipment safety procedures
Part 1. Grain silos system
1 Scope
GB 13561 of the provisions of this part of the layout and structure of the port Grain silos system, process design and handling equipment, electrical and control system
Systems, electrostatic protection, ventilation and dust removal, fire fighting facilities, fumigation and management of fire and explosion safety and other basic requirements.
This section applies to the port of fire and explosion Grain silos system design, configuration and security management safety facilities, other Grain silos system
You can also refer to use.
2 Normative references
The following documents contain provisions which, through reference in this Part of GB 13561, constitute provisions of this part. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB 8958 hypoxia dangerous job safety rules
GB 12158 General guidelines for preventing electrostatic accidents
GB 12476.1 combustible dust electrical equipment - Part 1. enclosures and surface temperature limitation protection of electrical equipment
Section 1. Technical Requirements for Electrical Equipment (GB 12476.1-2000, idt IEC 61241-1.1999)
GB/T 13561.2 harbor continuous handling equipment safety procedures - Part 2. Pneumatic unloader
GB/T 13561.3 harbor continuous handling equipment safety procedures Part 3. belt conveyor, buried scraper conveyors and bucket lift
Helicopter
GB/T 13561.6 harbor continuous handling equipment Safety specifications - Part 6. Continuous mechanical handling
GB 15577 Safety regulations for dust explosion
GB 15603 commonly used hazardous chemicals stored General
GB/T 15605 dust explosion relief guide (GB/T 15605-1995, neqNFPA68)
GB 17440 food processing, storage and transportation system, dust explosion safety rules
GB 17918 Port bulk grain handling system dust explosion safety rules
GB/T 17919 precipitator dust explosion hazardous area Explosion Guidelines
GB 50016 architectural design code for fire protection
GB 50052 power supply and distribution system design specifications
GB 50053 10 kV and below substation design specifications
GB 50057 Lightning in design
GB 50058 Explosion and fire hazard electrical installation design specifications
GB 50077 Code for design of reinforced concrete silos
GB 50140 Building fire extinguishers configuration design specifications
GB 50322 grain steel design specifications
GB Z2.1 Workplace Hazardous Occupational Exposure Limits for chemical harmful factors
JT556 port lightning protection and grounding technology requirements
JTJ211 harbor total graphic design and specification Partial Revision
LS1201 phosphine fumigation circulation Technical Specification
LS1202 grain storage mechanical ventilation Technical Specification
3 Terms and Definitions
The following terms and definitions apply to this part of GB 13561.
3.1
Vertical storage container of bulk material. This section refers to the storage of bulk grain vertical container.
3.2
The silos, floor work (column), between irrigation kits, transfer towers, corridors and other buildings, loading and unloading equipment, transportation equipment, process equipment, and other auxiliary device
Shi general.
3.3
In the production and storage of food in the can for a long time suspended in the air to produce solid particles, a non-conductive flammable
dust.
3.4
The presence of combustible dust and gaseous oxidant (or air) in place.
3.5
Dust explosion, the initial explosion shock wave will be deposited dust raised again to form a dust cloud, and the subsequent occurrence of flame ignition
Continuous explosion.
3.6
Prevention grain dust combustion, explosion, dust and combustion explosion occurred when a reduced loss technique.
3.7
A restriction explosion overpressure protection methods, by opening the vent setting means releasing unburned mixture and combustion products, avoiding stress
Rises above enclosing body design strength (anti-knock intensity) to protect the enclosing body.
3.8
Extension of a limitation explosion protection methods, by blocking an explosion or combustion wave propagation, thereby limiting the expansion of the explosion.
3.9
Adopt technical measures for the fumigant to kill insects, bacteria or other harmful organisms in confined spaces.
4 Layout and Structure
4.1 Basic requirements
4.1.1 Fire work floor (tower) and fire hazard genus irrigation kits between B production risk, silo fire hazard was the case of a Class C storage
Products fire risk, the building fire protection design shall comply with the relevant requirements of GB 50016 or regulations.
4.1.2 silos and work floor (tower) for the two types of mine construction, lightning protection measures should comply with the relevant requirements of GB 50057 and JT556 or
Provisions.
4.1.3 reinforced concrete silos should be designed to meet the relevant requirements or provisions of GB 50077, steel silos should be designed in line with GB 50322
The relevant requirements or regulations.
4.1.4 Setting the substation and power distribution should be consistent with GB 50016, GB 50052, GB 50053 and GB 50058 or the relevant requirements
Provisions.
Grain silos system design 4.1.5 should be consistent with GB 15577, GB 17440 and GB 17918 of the relevant requirements or regulations.
4.2 layout requirements
4.2.1 arranged silo system should comply with the relevant requirements or regulations JTJ211, handling boat operation area, loading and unloading trucks operation area, bulk grain storage
Area, production area and other auxiliary press should each functional area, the relative concentration individually decorated.
4.2.2 silo management system should designate a closed area, closed management.
4.2.3 silo single warehouse capacity, number and layout should be based on technology, topography, geology, construction conditions and principles of fire and explosion, the technology
Technique, economic, and security in three areas after considering the relatively OK.
Closed silos and work floor (tower) and officers to concentrate on areas or places spacing 4.2.4 reinforced concrete structure should be greater than 30m, steel
Silo or open-structure work floor (tower) and officers to concentrate on areas or places spacing should be greater than 20m.
4.2.5 lounges, duty, etc. away from the silo, lounge safety distance should be greater than the distance specified in 4.2.4. If it is necessary duty
Immediate neighborhood silos, should use a secondary refractory grade construction, and shall be not less than the fire resistance of not burning guard wall 3h spaced and set
Set straight outdoor or evacuation safety exit stairs.
The control building (room) 4.2.6 away from the silo, as must be affixed adjacent silo, the limit shall be not less than 3h refractory non-burning guard wall spacer
Open, and set the security exit straight or outdoor staircases and set on top of the silo is prohibited.
4.2.7 silo should set fire annular channel, road width and turning radius should meet the safety requirements. If there are difficulties along the silo group two
A longer side of the width of not less than 6m fire exits.
4.2.8 work floor (tower) should be set to cable shaft.
4.2.9 dust explosion hazardous areas should evacuation routes, evacuation routes shall be provided eye-catching signs and emergency lighting.
4.3 Structural requirements
4.3.1 reinforced concrete silo wall surface should be smooth, to reduce the accumulation of dust collection.
Leaving no holes and pores on the communication structure between 4.3.2 silos.
Top Reinforced Concrete manholes 4.3.3 shall be provided to carry out security checks, cleaning and maintenance, manhole size should not be less than 0.6m ×
0.7m, and should prevent the escape of dust inside the warehouse.
4.3.4 In addition to the silo, the work floor (tower) and Corridor dust is generated sites, should adopt an open structure.
4.3.5 warehouse roof or roof should have drainage holes to drain the water drain.
4.3.6 silo cylinder and cone joints should be sealed to prevent water penetration.
4.4 vent and explosion-proof requirements
4.4.1 silos, elevator, buried scraper, filter and metering devices and other equipment and facilities to be provided with venting means effective pressure relief, explosion venting
Means and opening pressure area should be GB/T 15605 or dust explosion test standard as a basis to ensure that the accidental explosion may reach
The maximum explosion pressure does not exceed the design strength of the equipment and facilities.
4.4.2 silo roof and enclosed work floor (tower) should be set to vent explosive devices to high-pressure gas produced by the explosion and the accompanying combustion
And unburned matter to the direction of escape without danger, and work to ensure that the silo floor (tower) structure will not be destroyed.
4.4.3 provided in an enclosed area inside the equipment and facilities for venting, should be set straight outdoor venting pipe.
4.4.4 flameproof device should be set between the silo and elevator.
5 process design and handling equipment
5.1 Process Design
5.1.1 should be prepared to dock, conveyor systems, silo equipment selection and process facilities connected to the system, and set down the warehouse processes.
5.1.2 should be set to material level, the storage temperature of the continuous monitoring system and low material level alarm system.
5.1.3 should be set ferromagnetic separator and coarse grain size sieve prior to flow into the main flow.
5.1.4 The process should be designed to avoid unnecessary repetitive lifting, to reduce dust production points, grain crushing and possible sources of ignition.
5.1.5 Each process connection seals and dust should be taken measures to prevent the escape of dust.
5.2 Handling Equipment
5.2.1 should use a continuous closed boat handling and transportation equipment.
5.2.2 should use a dust proof, low noise, easy maintenance handling equipment and transportation equipment.
5.2.3 bucket elevator equipment should use low speed bucket elevator, and should pay attention to the choice of bucket, should use antistatic non-metallic bucket.
5.2.4 conveyor conveying equipment should be smooth, not bumpy and difficult to spread material, easy to dust and easy deviation.
5.2.5 Additional safety requirements for handling equipment should meet to GB/T 13561.2, GB/T 13561.3 and GB/T 13561.6 of
Requirements or regulations.
5.2.6 equipment and facilities of the bidding, selection, acquisition process, should clearly fire and explosion protection requirements.
6 electrical and monitoring system
6.1 Electrical System
6.1.1 internal silos, hoist equipment, the level of transportation equipment, dust and other equipment and facilities belong to the 20th district in explosion hazardous areas, the silo roof
(Bottom), the work floor (tower), the level of transport corridors, dust and other facilities nearby area enclosed areas belong to Zone 21 explosion hazardous areas.
6.1.2 All electrical equipment installed in the silo system shall comply with the relevant requirements or provisions of GB 12476.1 of.
6.1.3 All motors installed in the silo system, electrical protection rating shall comply with the relevant requirements or provisions of GB 12476.1 of.
Housing surface temperature 6.1.4 installed in the silo system for all electrical equipment should not exceed 145 ℃.
6.1.5 Power Supply System should be used with residual current protection system to prevent damage caused by the insulation because of leakage fire.
6.1.6 should regularly check the electrical equipment to prevent insulation aging, action failure, poor contact failure.
6.1.7 distribution room should not be set in the fire, dust explosion hazard, when you set the work floor (tower), the application of fire resistance of not less than
Do not burn guard wall 3h spaced, and should have double doors and windows; relays, contactors, knife and other electrical equipment should be installed in centralized distribution
indoor.
6.1.8 All electrical cables should use armored cable, non-armored cable should leakage protection, and should be checked regularly to prevent rodents,
Found damaged should be repaired in time to prevent a short circuit caused by leakage and other faults.
6.1.9 should be set dust explosion hazard of explosion-proof emergency lighting.
6.2 Monitoring System
6.2.1 silo system should set up monitoring system, monitoring system enables on-site equipment start, stop, chain, detection, and information mining
And other collection and transmission capabilities, production reports, process monitoring, weight measurement, grain situation detection, ventilation, dust and other automated management capabilities.
6.2.2 The monitoring system should be set up on-site manual control, manual control centralized in the control room and the control room automatic control three control modes.
6.2.3 silo system should be set up industrial TV monitoring systems, voice broadcasting system and industrial telephone system.
6.2.4 job site should be set to start notice signal device, location and number of devices should be able to meet the various parts of the whole process plays
Warning; transport handling equipment shall be provided on-site emergency stop device.
6.2.5 handling equipment, the level of transportation equipment (belt conveyors, air cushion conveyor, buried scraper conveyor, etc.), lifting equipment, filter, metering
Scales, and other equipment and the surge hopper loading and unloading process should be set to a variety of fault monitoring and protection systems.
6.2.6 appropriate for the precipitator inlet and outlet pressure, inlet and outlet and hopper monitoring parameters such as temperature, pulse jet type dust collector for
It should also monitor the injection pressure, abnormal should be alert.
6.2.7 appropriate for the precipitator ash discharge means conditions cleaning valve (stop valve, the switching valve) and other components to be monitored.
6.2.8 Process should achieve automatic control, each line should do the job. the inverse process driving, parking along the process. malfunction
When, before the point of equipment failure should be immediately stopped, stop feeding; equipment failure points along the process sequentially parking, drained material.
6.2.9 All monitoring and protective devices should be interlocked with the process, in case of failure, the process should be able to automatically stop and shall be provided in emergency situations
Under conditions related to equipment capable of shutting off the power switch.
6.2.10 Monitoring System induced lightning device should be fortified.
6.2.11 monitoring system should be designed to ensure the stable and reliable operation.
6.2.12 should regularly check the monitoring equipment to ensure that the monitoring device can work at any time.
7 Static Protection
7.1 silo system can produce, the accumulation of static electricity equipment and facilities should be grounded, static grounding should conform to the relevant GB 12158
Requirements or regulations.
7.2 silo temperature cable, discharge chute should be a reliable static elimination device.
7.3 clearing equipment should be set static elimination devices.
7.4 handling all kinds of machinery, transport equipment should be used with tape antistatic, flame retardant tape; tape should not be rigid binding.
7.5 lightning ground wire should not be used, the power zero line, gas pipeline, heating pipes, etc., as static grounding wire.
7.6 Electrostatic grounding resistance value shall not be greater than 100Ω, and should be checked regularly.
7.7 contact with the ground connection point should be solid and reliable assurance of vibration, displacement connection object, should be added to the flexible cable transition, all connections
Point shall be applied to the grounding wire and grounding methods are intertwined connections.
7.8 grounding lines in different directions explosion risk areas should have a connection with the grounding point of not less than two.
Should wear anti-static clothing, footwear 7.9 into the silo.
7.10 in the control room should be anti-static floor.
7.11 material level detection. Do not use a tool such tape material level with metal detector head to prevent the operator from electrostatic shock and produce
Static spark.
8 ventilation and dust removal
8.1 Ventilation
8.1.1 design and operation of ventilation systems should comply with the relevant requirements or regulations LS1202.
8.1.2 Ventilation systems should be non-burning material, its structure should be strong, the connection should be tight, the system should not hinder airflow dead.
8.1.3 Each silo should have an independent air displacement means.
8.1.4 The exhaust pipe vertically, can not be mounted vertically, with less than a vertical angle of 30 °. The exhaust pipe should be inclined in certain rooms
Setting the cleaning interval at the mouth.
8.1.5 outlet exhaust pipe should be fortified hood.
8.2 Cleaning System
8.2.1 workplace dusts time weighted average allowable concentration should not exceed 4mg/m3, precipitator dust concentration should not exceed the discharge port
120mg/m3, the concentration of dust in the dust production processes point should not exceed 4g/m3.
8.2.2 should be based on the process, process equipment, dust, dust concentration decision and selection mode filter and fan, dust removal system design
Meet the requirements of 8.2.1, the dust should be consistent with GB/T 17919 requirements or the relevant provisions.
8.2.3 dust removal system of ventilation network should be designed to meet the amount of suction and clean air requirements of the premise, and strive to rational layout, short pipeline maintenance
Convenience.
8.2.4 Each handling equipment into and out of the discharge port, transit points and so easy to dusting the site, should be set dust cover, dust cover should be around the outside to prevent dust
Facilities Yat effectively control the spread of dust.
8.2.5 dust should have good air tightness, air leakage rate at its rated working pressure should not exceed 5%.
8.2.6 precipitator inlet and the outlet isolation valve should be set up and install temperature monitoring devices.
8.2.7 should be based on the type of dust, cleaning methods, filtration velocity, dust properties, the entrance of dust concentration and other factors to determine a reasonable cleaning cycle,
And cleaning should be reliable automatic control system.
Winds 8.2.8 ventilation dust removal system piping should be located between 12m/s ~ 20m/s.
8.2.9 electrostatic precipitator should be located directly grounding resistance shall not exceed 100Ω.
8.2.10 filter should be installed in the open air place, and should have the ability to rain and corrosion; when installed in enclosed dust explosion field fire
The time should be installed near the outer wall, and having direct access to the outside venting pipe, its straight pipe length should be less than 3m.
8.2.11 metering device (including measurement scales, the hopper, hopper scales down) should be closed, and should configure a separate ventilation and dust removal system.
After 8.2.12 shall, before loading and unloading 5min start ventilation and dust removal system, the job is stopped, ventilation and dust removal system still continues to run 10min
the above.
8.3 set (product) dust cleanup
8.3.1 pipeline should dust the spaced every clean mouth.
8.3.2 Silo dust collection system should establish a system to clean dust collected dust.
8.3.3 Vacuum dust silo system should be set up collection systems, vacuum cleaners equipped with the appropriate, regular cleaning inside the device, the device surface, ground, pit
Road, wall, etc. of the dust.
8.3.4 spillage and dust should be promptly removed and the remaining material clogging.
8.3.5 clean up dust should be preceded by open doors, windows and vents, cleaning process prohibit the use of compressed air and other easy to make the dust to clear
Sweeping way, prohibited the use of energy friction sparking cleaning tool.
8.3.6 dust should return directly to grain flow.
9 fire facilities
9.1 fire facilities silo systems should comply with the relevant requirements of GB 50016 or regulations.
9.2 silo fire power system should be two power load.
9.3 silos and work floor (tower) top should set fire hydrant, fire equipment configuration, fire pipeline system should be emptied.
Silo system shall be within 9.4 GB 50140 requirements for fire extinguisher, portable fire extinguishers its maximum protection distance should not exceed 20m.
9.5 silo fire alarm system should be set up, and set fire dedicated communication line contact.
10 Fumigation
LS1201 10.1 fumigation should comply with the relevant requirements or regulations.
10.2 fumigation process before production deal silo fumigation, fumigation fumigation equipment and all piping system tightness testing, after requirements met,
Before production.
10.3 fumigation respond before dosing process equipment preflight.
Fire fighting equipment should be checked before fumigation 10.4, and maintained in good condition.
10.5 fumigation area should establish a closed area, closed management, the establishment of fumigation signs and marking.
10.6 fumigation silos before fumigation fumigation should set a clear sign.
10.7 fumigation workplace management, handling personnel and persons in charge of fumigation operations should be agreed in advance of administration time, air time and detoxification phase
Mutual Information, and the number of operations before and after the inventory.
According to relevant provisions of the state inspection and quarantine departments will be administered during the operation and monitoring of 10.8 fumigation.
10.9 silo ...
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