DL 5190.6: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| DL 5190.6-2019 | English | RFQ |
ASK
|
13 days [Need to translate]
|
(Technical specification for electric power construction - Part 6: Water treatment and system (supply) hydrogen equipment and systems)
| Valid |
DL 5190.6-2019
|
| DL 5190.6-2012 | English | RFQ |
ASK
|
3 days [Need to translate]
|
Technical specification for thermal power erection and construction. Part 6: water treatment and hydrogen generation equipment and system
| Obsolete |
DL 5190.6-2012
|
PDF similar to DL 5190.6-2019
Basic data | Standard ID | DL 5190.6-2019 (DL5190.6-2019) | | Description (Translated English) | (Technical specification for electric power construction - Part 6: Water treatment and system (supply) hydrogen equipment and systems) | | Sector / Industry | Electricity & Power Industry Standard | | Classification of Chinese Standard | P61 | | Classification of International Standard | 27.100 | | Word Count Estimation | 137,162 | | Date of Issue | 2019 | | Date of Implementation | 2019-10-01 | | Issuing agency(ies) | National Energy Administration | DL 5190.6-2019: (Technical specification for electric power construction - Part 6: Water treatment and system (supply) hydrogen equipment and systems)
---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.
Technical specification for power plant erection and construction-Part 6.water treatment and hydrogen generation (supply) equipment and system
P 61
Record number. 60035-2017
People's Republic of China Electric Power Industry Standard
Replace DL/T 5190.6-2012
Technical specifications for electric power construction
Part 6.Water treatment and hydrogen production (supply) equipment and systems
2019-6-4 release
2019-10-01 implementation
Issued by National Energy Administration
People's Republic of China Electric Power Industry Standard
Technical specifications for electric power construction
Part 6.Water treatment and hydrogen production (supply) equipment and systems
Replace DL 5190.6-2012
Editor-in-chief. China Electricity Council
Approval department. National Energy Administration
Effective date. October 1,.2019
Foreword
This part is based on the "Notice of the National Energy Administration on Issuing the First Batch of Industry Standard System (Revision) Plans in the Energy Sector in.2017"
(Guoneng Zongtong Technology [2017] No. 52) requirements are revised.
DL 5190 "Technical Specification for Electric Power Construction" has 8 parts.
--Part 1.Civil Engineering
--Part 2.Boiler unit
--Part 3.Steam Turbine Generator Set
--Part 4.Thermal instrument and control device
--Part 5.Piping and System
--Part 6.Water treatment and hydrogen production equipment and systems
--Part 7.Processing and Preparation
--Part 8.Hydraulic structure
This part is Part 6 of "Technical Specification for Electric Power Construction Construction" DL 5190.Water treatment and hydrogen production (supply) equipment and systems (after
Called "this part").
The main contents of this part include. general rules, terms and definitions, basic regulations, technical regulations for the construction of various system equipment and special pipelines,
Cite the list of standards, appendices, etc.
This part is in "Technical Specification for Electric Power Construction Part 6.Water Treatment and Hydrogen Production Equipment and Systems" DL 5190.6-2012
Revised on the basis of the edition.
This section mainly modified the following contents.
--Extract the wastewater treatment equipment from the chapter of the original standard water pretreatment equipment to form a new chapter (Chapter 8) Wastewater treatment equipment,
The main content is the construction technical regulations for conventional devices, neutralization tanks, and wastewater tanks;
- Decompose the pre-desalination equipment of water, assign the reverse osmosis device to the desalination equipment in Chapter 6, and perform the desalination and evaporation separately
As a new chapter, Chapter 5, the chapter name is changed to distillation desalination treatment equipment; low-temperature multi-effect device, flash evaporation device, and machine are added.
Technical regulations for the construction of equipment such as mechanical evaporation devices;
- The boiler make-up water treatment equipment is changed to desalination equipment;
--The start-up and adjustment of the water treatment system was changed to the trial operation of the water treatment system, and the distillation desalination treatment system and circulating cooling were added
Relevant construction technical regulations for the trial operation of water treatment systems, water vapor sampling and dosing systems, and wastewater treatment systems;
This part was proposed by the China Electricity Council.
This part is under the jurisdiction of the Thermal Power Construction Standardization Technical Committee of the Electric Power Industry.
Editor-in-chief of this section. China Huadian Science and Industry Group Huadian Water Engineering Co., Ltd.
China Energy Construction Group Anhui Electric Power Construction Second Engineering Co., Ltd.
Participating units of this section. State Nuclear Power Planning and Design Institute Co., Ltd., SPIC Yuanda Environmental Protection Co., Ltd.,
China Power Construction Group Hebei Engineering Co., Ltd., Shandong Power Construction Third Engineering Co., Ltd.
The main drafters of this section. Feng Wenxue, Liu Hua, Xu Qiang, Hou Junguo, Hu Xiaohong, Liu Qiang, Liu Guangting, Wang Jun, Li Rui, Liu
Bingwei, Sun Xinli, Cong Yonglong, Li Wenjie, Lin Deyang, Yao Zhongdong, Zhou Xunping, Li Lianghao, Li Zhiming, Ren Zhanwen, Wen Jianlei,
Gong Ruirui, Xu Xiuping, Zhang Zhanmei
The main reviewers of this section. Liu Chunxiao, Zhao Zhuren, Ke Yujin, Wang Jilun, Li Qingbo, Zhao Zizhou, Luo Jiangke, Feng Xiangdong,
Zhang Xueqin, Li Weidong, Zheng Yongkun, Liu Zhengxiu, Zhou Jianjian, Cai Guanping, Liu Jiang
This part replaces DL of "Technical Specifications for Electric Power Construction Construction Part 6.Water Treatment and Hydrogen Production Equipment and Systems" from the date of implementation
5190.6-2012.
The opinions or suggestions during the implementation of this part are fed back to the Standardization Management Center of the China Electricity Council (Baiguang Road, Beijing)
Two Article No. 1, 100761)
Table of contents
Foreword...Ⅱ
1 General...1
2 Terms and definitions...2
3 Basic regulations...4
3.1 General provisions... 4
3.2 Construction Engineering... 4
3.3 Inspection and storage of equipment and materials... 5
3.4 Tightness test of equipment system...6
3.5 Green Construction...6
4 Water pretreatment equipment...7
4.1 Sedimentation tank... 7
4.2 Biological Aerated Filter...7
4.3 Clarifier (tank) ... 8
4.4 Valveless filter...9
4.5 Mechanical filter... 9
4.6 Ultrafiltration, microfiltration device...10
5 Distillation method desalination treatment equipment...11
5.1 General provisions... 11
5.2 Low temperature multi-effect device... 11
5.3 Flashing device...12
5.4 Mechanical Compression Evaporator... 13
6 Desalting equipment...15
6.1 Reverse Osmosis Device...15
6.2 Ion exchange equipment...16
6.3 In addition to carbon dioxide... 17
6.4 Electric desalination device...17
6.5 Regenerative device...18
7 Condensate polishing equipment... 19
7.1 General Provisions... 19
7.2 Pre-filter... 19
7.3 Ion exchanger and resin separation and regeneration device... 19
8 Wastewater treatment equipment... 20
8.1 Conventional devices...20
8.2 Neutralization Pool...20
8.3 Wastewater tank... 21
9 Circulating cooling water treatment equipment... 22
9.1 Fungicide dosing and preparation device... 22
9.2 Dosing equipment... 23
9.3 Side stream processing equipment... 23
10 Water vapor sampling and dosing system...24
10.1 Dosing equipment... 24
10.2 Water vapor sampling system... 25
11 boxes, tanks, cans...26
12 Rotating Machinery...28
12.1 Lime System...28
12.2 Mud Discharge System...28
12.3 Special pump for water treatment...28
12.4 Air compressor and auxiliary equipment...30
12.5 Blender...30
13 Special pipes and valves...31
13.1 General Provisions...31
13.2 Special medium conveying pipeline...31
13.3 Special material pipes...31
13.4 Special valves...35
14 Anti-corrosion construction...36
14.1 General provisions...36
14.2 Anti-corrosion construction technology...36
14.3 Construction of plastic products...38
15 Trial operation of water treatment system...39
15.1 General provisions...39
15.2 Water pretreatment system...40
15.3 Distillation method desalination treatment system 41
15.4 Desalination System...44
15.5 Condensate Polishing System...45
15.6 Circulating cooling water treatment system...45
15.7 Water vapor sampling and dosing system...46
15.8 Wastewater treatment system...46
16 Hydrogen Station...47
16.1 General provisions...47
16.2 Hydrogen production (supply) equipment...48
16.3 Hydrogen Pipeline...48
16.4 Hydrogen storage equipment...50
16.5 Start-up and adjustment of hydrogen production (supply) equipment...51
17 List of Project Documents...53
Appendix A (Normative Appendix) Filter Material...54
Appendix B (Normative Appendix) Reference Data for Hydrogen Pipeline Installation...56
Explanation of standard terms... 59
List of Reference Standards...60
Article description...61
1 General
1.0.1 This section regulates the technical requirements for the construction, inspection and trial operation of water treatment and hydrogen production (supply) equipment and systems for power construction projects.
1.0.2 This Part is applicable to water treatment and hydrogen production (supply) equipment and systems for newly built, expanded and rebuilt thermal power plants and conventional islands of nuclear power plants.
System construction, inspection and trial operation.
1.0.3 The construction of water treatment and hydrogen production (supply) equipment and systems shall be based on the approved design, contract agreement and valid technical documents of the manufacturer
Implementation of the requirements; if the design, contract agreement and manufacturer have no clear requirements or requirements are not comprehensive, follow the provisions of this section;
For changes or changes, the design unit and equipment manufacturer shall issue corresponding certification documents and go through relevant approval procedures.
1.0.4 The construction project should meet the requirements of DL/T 5190.1 "Technical Code for Construction of Electric Power Part 1.Civil Engineering", with special features
Special requirements shall be implemented in accordance with the relevant provisions of this section.
1.0.5 The construction of water treatment and hydrogen production (supply) equipment and systems shall not only comply with this part, but also comply with the regulations of current national standards.
2 Terms and definitions
2.0.1 water pretreatment
Treatment processes such as precipitation, coagulation, clarification, and filtration to meet the requirements of subsequent water treatment processes.
2.0.2 Clarification
The particles suspended in water undergo coagulation, reaction and precipitation in the reaction tank to reduce the content of suspended solids in the water.
2.0.3 Filter
The process in which water passes through a filter material or membrane to remove suspended particles and other substances.
2.0.4 Ultrafiltration
The filtration between microfiltration and nanofiltration, the filtration accuracy is generally between 0.01 ٛ m～0.10 ٛ m, which is a high
Molecular filtration membrane is a filtration method of filter media, and the pore size is 0.001μm～0.200μm.
2.0.5 Microfiltration
Between conventional filtration and ultrafiltration, the filtration accuracy is generally between 0.1 m and 1.0 m.
2.0.6 reverse osmosis
Apply an external pressure higher than the osmotic pressure of the solution on the raw water side of the membrane, and only allow the water and certain components in the solution to selectively permeate.
The process in which other substances cannot penetrate and are trapped on the surface of the membrane.
2.0.7 Recycled water
After the sewage is properly treated, it can reach a certain water quality index, meet a certain use requirement, and be useful water.
2.0.8 Wastewater
Water discharged during the production and life of power plants.
2.0.9 Get the tightness test with a box forming the vacuum
A method of using vacuum box device to inspect the quality of the welding seam of the bottom of the water tank.
2.0.10 Low temperature multi-effect desalination device
By reducing the internal pressure of the evaporator to reduce the boiling point of water, the horizontal tube spray technology is used to spray a series of horizontal tubes for falling film evaporation.
The maximum salt water temperature of the distillation desalination device arranged in series with the generator is lower than 70°C.
2.0.11 Desalination
The process of removing salts in water.
2.0.12 Electric desalination
The fresh water chamber of the electrodialysis device is filled with anion and cation mixed ion exchange resin, and the electrodialysis and ion exchange are combined to remove water
A method of electrochemical regeneration of ion exchange resin by using the polarization phenomenon in the electrodialysis process.
2.0.13 Ion exchange
The process in which some anions or cations in water are replaced by other ions through ion exchange materials.
2.0.14 perforated-steel and plastic composite pipe
The perforated steel strip plastic composite pipe is a porous thin steel pipe formed by argon arc butt welding as the reinforcement, and the outer layer and the inner layer are double-sided composite thermoplastic
A composite tube of plastic.
2.0.15 Electrical fusion bell and spigot connection
The high temperature generated by the electric heating element embedded in the inner wall of the socket is fused to the contact surface of the socket and the pipe inserted into the socket.
The overall connection method.
2.0.16 stainless steel lined composite steel pipe
Using composite technology, the inner wall of the steel pipe that transports fluid such as welded steel pipe and seamless steel pipe is lined with a composite structural wall steel pipe composed of a stainless steel lining.
2.0.17 the bundle of hydrogen gas cylinders
It is fixed by a special frame, and a gas cylinder group unit is used to connect multiple gas cylinders in parallel with a gas collecting pipe.
2.0.18 green construction
On the premise of ensuring quality, safety and other basic requirements, through scientific management and technological progress, resources are saved to the greatest extent and
Reduce the negative impact on the environment, and realize the construction activities of energy saving, land saving, water saving, material saving and environmental protection ("four saving and one environmental protection").
3 Basic regulations
3.1 General rules
3.1.1 This section regulates the technical regulations for the construction of water treatment and hydrogen production (supply) equipment and systems, which involve mechanical installation, pipeline construction,
Construction techniques such as welding construction, monitoring instrumentation and program control shall comply with relevant national regulations.
3.1.2 The manufacturer of the equipment shall obtain a certificate issued by the state, province (autonomous region), municipality or relevant national administrative supervision and management department
Manufacturing license. The inspection and acceptance of equipment quality shall be carried out in accordance with the relevant current national or industry standards; if there is no provision, it shall be carried out in accordance with the contract.
3.1.3 The installation and construction of various types of equipment should be carried out in accordance with the requirements of the design and product technical documents. If you need to modify the design or use substitute equipment,
The materials shall be implemented after approval by the design unit, supervisor and construction unit.
3.1.4 The installation and construction of non-standard equipment not included in this section shall be carried out in accordance with contractual agreements or design requirements. Equipment imported from abroad should
Formulate corresponding construction technical measures according to the contract or relevant technical documents.
3.1.5 The technical agreement signed when the equipment is ordered is the basis for equipment acceptance.
3.1.6 Before the equipment is installed, the construction unit should check the equipment delivery qualification report, the report should be complete and the conclusion qualified.
3.1.7 The primary detection components of liquid level measurement, on-site instrumentation and online instrumentation shall be installed after the system is cleaned, and shall be qualified before installation.
3.1.8 The drainage pipe of the vessel should be provided with a transition bend consistent with the drainage direction in the trench.
3.1.9 Water treatment and hydrogen production (supply) equipment and systems shall be installed in accordance with the design drawings and technical requirements.
3.1.10 The storage and transportation operations of acid, alkali and other media shall strictly abide by the safe operation regulations.
3.1.11 The storage, handling and installation of stainless steel pipes and pipe fittings should not be in direct contact with ferrite materials. Stainless steel pipes and carbon steel supports
The hangers should be separated by stainless steel skins or other non-metallic gaskets with a chloride ion content of less than 50mg/kg.
3.1.12 The frame installation quality of ultrafiltration, reverse osmosis, electric desalination and other devices should meet the relevant regulations of GB 50205 "Code for Acceptance of Construction Quality of Steel Structure Engineering".
3.1.13 The installation of special equipment shall comply with the relevant requirements of the TSG "Safety Technical Specifications for Special Equipment" series of specifications.
3.1.14 Materials and technologies that are explicitly prohibited by the state should not be used.
3.1.15 Austenitic stainless steel welds and hot working surface treatment shall meet the following requirements.
1 Welds and hot processed surfaces should be pickled and passivated. Pickling and passivation are mainly etching methods, and wet dragging methods can also be used.
Pickling passivation cream application method and other methods;
2 Before pickling, the surface should be cleaned of oil stains and rinsed with water. Carbon steel should not be used to scrub the surface;
3 Process tests should be carried out before pickling and passivation, and appropriate formulas and operating processes should be formulated. Pickling passivation solution should be sampled and tested regularly to correct the concentration in time;
4 After pickling, it should be rinsed with water. The stainless steel surface after pickling should not have obvious corrosive traces, and there should be no uneven color.
There should be no oxidized color on the surface of the weld, and no residual pickling solution. The surface of the passivated stainless steel should be rinsed with water, after it becomes neutral
Wipe off any water marks. The chlorine ion content of the flushing water should not exceed 25mg/L;
5 After surface treatment, the passivation film should be inspected, and the passivation film on the inspected part should be repaired after passing the test. During the subsequent construction process,
If the passivation film is damaged, it should be re-passivated in time. The inspection of the passivation film should be carried out according to the design regulations. When the design has no specific regulations, the inspection shall be carried out according to the blue dot method;
6 The waste liquid should be treated with a reasonable process and can be discharged after reaching the relevant national discharge standards and obtaining a permit.
3.2 Construction works
3.2.1 Before the equipment is installed in place, the construction unit or supervision unit should organize the installation and the construction contractor to jointly inspect the construction project.
And should meet the following requirements.
1 The geometric size, position and elevation of the equipment foundation shall meet the design requirements;
2 The size and position of the embedded parts and reserved holes should meet the design requirements;
3 Asphalt sand cushion should be made on the foundation of flat-bottom water tank equipment, and its slope direction and gradient should meet the design requirements or GB 50128 "Vertical cylinder
Relevant regulations of "Code for Construction and Acceptance of Shaped Steel Welded Storage Tanks".
3.2.2 Concrete structures should be checked and accepted according to the design drawings. Reinforced concrete structures and buildings with anti-corrosion requirements shall be in accordance with DL/T
5190.1 "Technical Code for Construction of Electric Power Construction Part 1.Civil Engineering", GB 50212 "Code for Construction of Anti-Corrosion Engineering of Buildings"
And GB 50224 "Code for Acceptance of Construction Quality of Anti-Corrosion Engineering of Buildings" for acceptance.
3.2.3 Reinforced concrete containers should be tested for watering. The installation of pipe joints before the test should meet the design requirements. The watering test takes a lot of time.
In 24h, there should be no leakage. Installation of equipment and pipelines can only be carried out after the irrigation test is qualified.
3.2.4 The following tasks should be completed in the construction of the water treatment equipment before the unit trial operation.
1 The anti-corrosion ground, anti-corrosion channel, neutralization tank, and waste liquid tank inside and outside the water treatment room shall be constructed according to the design requirements and checked and accepted
Qualified; drainage and slag discharge channels should be unimpeded; the trench cover is complete, and the surface is flush with the ground;
2 The indoor and outdoor painting, painting, ground, platform, ladder, doors and windows and lighting of water treatment should be completed according to the design requirements;
3 Facilities such as water supply, heating, ventilation, lighting, air conditioning, power supply and test bench in the laboratory shall be completed according to the design requirements;
4 The structures and anti-corrosion, ventilation, and lighting safety facilities of the acid, alkali and other drug warehouses should be completed and qualified.
3.2.5 Before the adjustment and trial operation of hydrogen production (supply) equipment and systems, the construction and electrical construction shall meet the following requirements.
1 The lightning rod and grounding grid shall be constructed according to the design requirements, and shall be checked and accepted as required;
2 The construction of roads, fences, gates, and doors and windows of structures shall be completed according to the design requirements, and shall be checked and accepted as required;
3 The water supply, heating, ventilation, lighting and power supply should be completed according to the design requirements, and passed the inspection and acceptance according to the regulations;
4 Safety and fire-fighting facilities have passed the inspection and acceptance according to regulations and can meet the commissioning conditions. The safety warning signs are complete and eye-catching.
3.3 Inspection and storage of equipment and materials
3.3.1 The equipment unpacking inspection shall include the following.
1 Packing list, product quality certificate, certificate of conformity, product general drawing, product manual and other accompanying documents should be complete;
2 The product quality certificate shall include the material quality assurance certificate of the main pressure components, the hydraulic test report, and the equipment with non-destructive flaw detection requirements.
There should also be a non-destructive inspection report for welds;
3 Check the quantity, specifications, packaging and appearance quality of the equipment and materials according to the list, and make a record of unpacking inspection. If found
If equipment or materials have defects such as corrosion, frost cracking, deterioration, damage, etc., the reasons should be analyzed together with related units and dealt with in time.
3.3.2 The storage of equipment and materials shall be carried out in accordance with DL/T 855 "Regulations for the Maintenance and Storage of Thermal Power Equipment for Electric Power Infrastructure".
Product technical documentation requirements. Special materials and pharmaceuticals should be sampled and inspected after they are delivered to the site, and the quality should conform to relevant national standards and
The technical requirements of the order contract.
3.3.3 After the anti-corrosion equipment and materials are transported to the construction site, the anti-corrosion layer shall be inspected by appearance and leakage test, and shall meet the following requirements.
1 The lining material and thickness should meet the design requirements;
2 The anti-corrosion layer should be flat without hollowing;
3 Use a high-frequency electric spark detector to check all the anti-corrosion coatings by a leakage test, and no electric spark should be generated. When testing, the probe
The residence time of a position should not be too long, and the moving speed is 3m/min～6m/min. The test voltage is shown in Table 3.3.3.
4 When the quality of the anti-corrosion layer is defective, it should be dealt with in accordance with the contract; after the treatment, it should be inspected again and can be installed only after it is qualified.
3.4 Tightness test of equipment system
3.4.1 After all kinds of pipeli...
|