DL 5190.2-2019 English PDFDL 5190.2: Historical versions
Basic dataStandard ID: DL 5190.2-2019 (DL5190.2-2019)Description (Translated English): Technical specification for thermal power erection and construction. Part 2: Boiler unit Sector / Industry: Electricity & Power Industry Standard Classification of Chinese Standard: P61 Classification of International Standard: 27.100 Word Count Estimation: 190,115 Date of Issue: 2019-06-04 Date of Implementation: 2019-10-01 Older Standard (superseded by this standard): DL 5190.2-2012 Quoted Standard: GB/T 50448; GB 5749; GB 50026; GB 50204; GB 50205; GB 50278; GB 12523; GB/T 3007; GB/T 22395; GB/T 23294; DL 5190.3; DL 5190.5; DL 5190.8; DL/T 5437; DL/T 241; DL/T 438; DL/T 678; DL/T 794; DL/T 855; DL/T 869; DL/T 889; DL/T 1269; YB/T 5202 Regulation (derived from): Natural Resources Department Announcement No. 7 of 2019 Issuing agency(ies): National Energy Administration Summary: This standard is applicable to the construction of power station boiler units with a rated steam pressure of 9.8MPa and above. The construction of domestic waste incineration boilers and gas-steam combined cycle power station waste heat boilers shall be implemented in accordance with Appendix A and Appendix B of this standard. The construction of imported units shall be carried out in accordance with the provisions of the contract. If there is no clear provision in the contract, this standard shall be implemented. DL 5190.2-2019: Technical specification for thermal power erection and construction. Part 2: Boiler unit---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 thermal power erection and construction-Part 2.Boiler unit ICS 27.100 P 61 Record number. 60035-2017 People's Republic of China Electric Power Industry Standard Replace DL/T 5190.2-2012 Technical specifications for electric power construction Part 2.Boiler unit 2019-6-4 release 2019-10-01 implementation Issued by National Energy Administration DL/T 5190.2-2019 ForewordThis part is based on the "Industrial Standards System (Revision) Plan for the Energy Sector in.2017 and the British "Notice on the translation and publication plan of the Chinese version" (Guoneng Zongtong Technology [2017] No. 52) Energy.20170506 requirements, in the original "Power Construction Technical Code Part 2.Boiler Unit" DL 5190.2-2012 revised on the basis. "Technical Specification for Electric Power Construction" DL/T 5190 has 8 parts. --Part 1 Civil Engineering --Part 2 boiler unit --Part 3 Turbine Generator Set --Part 4 Thermal Instruments and Control Devices --Part 5 Piping and System --Part 6 Water treatment and hydrogen production equipment and systems --Part 8 Processing and Preparation --Part 9 Hydraulic Structure This part is part 2 of DL/T 5190.boiler unit. This part includes 13 chapters and 13 appendices. The main content includes boiler steel structure and related metal structure, heating surface, boiler Auxiliary equipment, boiler auxiliary pipelines and accessories, flue gas fuel (material) pipelines and auxiliary equipment, fuel oil system equipment, boiler auxiliary Technical specifications for installation and construction of machinery, coal handling equipment, furnace wall masonry, boiler unit start-up trial operation and related appendices. Compared with DL 5190.2-2012, the main content changes of this part are as follows. --This part deletes the original specifications of dust collector, desulfurization and denitrification, fuel system pipelines, thermal equipment and pipeline insulation, The contents of the chapters on anti-corrosion, etc.; appendix B biomass incineration boiler installation, appendix M filter bag inspection requirements and filter bag installation pre-tightening are deleted The calculated value of force theory and the related content of appendix Q main equipment, pipeline paint color and color code painting. --This part adds the installation content of the flue gas waste heat recovery device in the flue gas duct, fuel (material) pipeline and auxiliary equipment, Added the installation content of the central feeder in the section of coal feeder in boiler auxiliary machinery, and in the section of coal yard equipment of coal conveying equipment Added the installation content of the silo ring cloth machine. --This part adjusts the four sections of air preheater, combustion device, boiler water circulation pump, starting circulation pump and soot blowing system Go to the chapter on boiler accessories. 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 Energy Construction Group Tianjin Electric Power Construction Co., Ltd., Xi'an Thermal Power Research Institute Co., Ltd. Division. Participating units of this section. China Power Construction Group Henan Engineering Co., Ltd., China Power Construction Group Hubei Engineering Co., Ltd., PowerChina Sichuan Engineering Co., Ltd., Guodian Suqian Thermal Power Co., Ltd. The main drafters of this section. Li Pengqing Xie Honggang Dang Xiaojian Zhang Suoqing Xu Jintao Zhang Yaju Xu Shuquan Zhu Chunbao Li Junli Junbao Li Changhai Wang Baohua Qi Xinjian He Jiwang Hu Zeheng Xiong Zhifeng Main reviewers of this section. Chen Xuefu, Liang Binghai, Li Liangshi, Zhu Yongxian, Zhang Yaoqing, Zhang Zhaoxia, Yao Jianmin, Jia Guangming He Hongguang Wei Zeli Zhou Kuiying Zhang Junxiong Wu Xiufeng Li Chuanyu Li Lidong This Part shall replace "Technical Specification for Construction of Electric Power Construction Part 2.Boiler Unit" DL 5190.2-2012 from the date of implementation. The opinions or suggestions during the implementation of this part are fed back to the Standardization Management Center of the China Electricity Council (Beijing Bai No. 1, Er Tiao, Guang Road, 100761).Table of contents1 General...1 2 Terminology...2 3 Basic regulations...3 3.1 General provisions...3 3.2 Connection between installation and construction...4 3.3 Green construction and finished product protection...4 4 Boiler steel structure and related metal structure...5 4.1 General regulations...5 4.2 Boiler foundation inspection, marking and shim installation...5 4.3 Boiler steel structure installation and secondary grouting...6 4.4 Project acceptance...10 5 Heating surface...11 5.1 General regulations...11 5.2 Steam drum, steam separator, header...12 5.3 Water wall...13 5.4 Superheater, reheater, economizer and desuperheater...14 5.5 Boiler connecting pipe...15 5.6 Furnace ceiling hanging device...15 5.7 Boiler door hole installation...15 5.8 Boiler sealing parts...16 5.9 Heating surface equipment of circulating fluidized bed boiler...16 5.10 Hydraulic test...18 5.11 Project acceptance...18 6 Boiler auxiliary equipment...20 6.1 General regulations...20 6.2 Air preheater...20 6.3 Combustion device...22 6.4 Boiler water circulating pump and starting circulating pump...23 6.5 Soot blowing system...23 6.6 Project acceptance...24 7 Boiler auxiliary pipes and accessories...25 7.1 General regulations...25 7.2 Boiler auxiliary piping...25 7.3 Starting the system...25 7.4 Steam drum (storage tank) water level gauge...25 7.5 Safety valve...26 7.6 Project Acceptance...26 8 Smoke, wind, fuel (material) pipelines and auxiliary equipment...27 8.1 General regulations...27 8.2 Smoke, wind, and fuel (material) pipelines...27 8.3 Smoke, wind, and fuel (material) pipeline accessories and devices...27 8.4 Waste heat recovery device for flue gas...29 8.5 Wind pressure test of furnace and flue gas system...29 8.6 Project Acceptance...30 9 Fuel System Equipment...31 9.1 General regulations...31 9.2 Oil unloading device...31 9.3 Oil tank and its accessories...31 9.4 Fuel pump room equipment...31 9.5 Prerequisites for the fuel system before receiving fuel...32 9.6 Project Acceptance...32 10 Boiler auxiliary machinery...33 10.1 General provisions...33 10.2 General Rules for Auxiliary Machine Installation...33 10.3 Auxiliary Engine Oil System...37 10.4 Coal Pulverizer...37 10.5 Fan...39 10.6 Coal feeder...40 10.7 Air compressor...41 10.8 Ash removal equipment...41 10.9 Slag discharger...41 10.10 Slag cooler equipment...42 10.11 Project Acceptance...42 11 Coal handling equipment...43 11.1 General provisions...43 11.2 Belt conveyor...43 11.3 Coal unloading equipment of belt conveyor...46 11.4 Magnet separator...46 11.5 Coal crusher...47 11.6 Coal Screener...48 11.7 Unloading equipment...48 11.8 Coal Yard Equipment...50 11.9 Project Acceptance...51 12 Furnace Wall Masonry...52 12.1 General provisions...52 12.2 Construction of unshaped refractory and wear-resistant materials...54 12.3 Construction of shaped refractory and wear-resistant materials...56 12.4 Circulating fluidized bed boiler oven...57 12.5 Project Acceptance...58 DL/T 5190.2-2019 13 Start-up trial operation of boiler unit...59 13.1 General provisions...59 13.2 Inspection before and after boiler chemical cleaning...59 13.3 Inspection before and after steam blowing of boiler unit...60 13.4 Steam tightness test and safety valve adjustment...61 13.5 Complete inspection during start-up trial...62 13.6 Project Acceptance...62 Appendix A Domestic Waste Incineration Boiler...63 Appendix B Gas-steam combined cycle power plant waste heat boiler...66 Appendix C Manufacturing and assembly tolerances of boiler steel structure...68 Appendix D High-strength bolt connection project inspection items...75 Appendix E Allowable deviation of boiler basic axis and overall dimensions...79 Appendix F Critical temperature of steel commonly used in thermal power installation...80 Appendix G Permissible deviation of outer diameter and wall thickness of heating surface tube...84 Appendix H Manufacturing and assembly tolerances of tubular air preheaters...85 Appendix I Strength calculation requirements for temporary pipelines and plugs in hydraulic test...87 Appendix J The allowable deviation of the manufacturing dimensions of flue ducts and fuel (material) pipelines...88 Appendix K Allowable Deviations of Large Power Equipment Foundation...89 Appendix L Track Laying Requirements...90 Appendix M Requirements for calculation of shim area...91 Explanation of standard terms...92 List of Reference Standards...93 Article description...941 General1.0.1 In order to further improve the installation and construction level of power station boilers, promote technological progress, adapt to scientific development, and ensure safe production And engineering quality, specially prepared this part. 1.0.2 This section applies to the construction of power station boiler units with a rated steam pressure of 9.8MPa and above. 1.0.3 The construction of domestic waste incineration boilers and gas-steam combined cycle power station waste heat boilers should be carried out in accordance with Appendix A and Appendix B. 1.0.4 The construction of imported units shall be carried out in accordance with the provisions of the contract. If there is no clear provision in the contract, this section shall be carried out. 1.0.5 In addition to the installation of power station boiler units, it shall comply with this part, as well as the regulations of the current relevant national and industry standards. DL/T 5190.2-20192 term2.0.1 distance deviation The actual installation dimensions of the boiler structure and equipment components (such as between columns, beams, water walls and steel structures, etc.) Deviation from the design size. 2.0.2 Diagonal deviation The difference between the measured length of the two diagonal lines of the boiler structure and equipment components. 2.0.3 elevation deviation Based on the steel frame height of 1m, the difference between the boiler structure and equipment component installation height and the design height. 2.0.4 depth of parallelism The difference in the vertical distance between two parallel lines or faces. 2.0.5 Verticality The difference between a vertical axis and a plane or the angle formed between two planes and a right angle. The deviation is based on the axis or plane and the ideal vertical The angle of a straight line is expressed, or expressed as the ratio of the unit length of the reference vertical axis to the minimum distance of the measured line or surface. 2.0.6 Relative dislocation Dislocation caused by the deformation and deviation of the nozzle part when the pipeline is connected. 2.0.7 Concentricity For equipment that requires the same center of rotation, the center deviation occurs when installed. 2.0.8 Roundness The difference between the periphery (partial or partial) of a large circular object and the periphery of an ideal circle. 2.0.9 Flatness The maximum difference between a local protrusion on a certain plane of the installation component or a local depression on the same plane. 2.0.10 Radial run-out Use a dial indicator to point vertically to the axis of the measured section, turn the rotor, and each point on the measured surface (usually divided into eight or sixteen points) The difference between the maximum and minimum readings is the radial runout value. 2.0.11 Axial run-out It can also be called "end-face dipping". On the circumference of the measured end face with a given diameter, place one perpendicular to the end relative to the position of 180°. Dial indicator on the surface, rotating the rotor, the maximum difference indicated by the two gauges at the same time minus the minimum difference, whichever is half is the axial runout value (Or called the dipper bias value). 2.0.12 Deflection When the force or non-uniform temperature changes, the axis of the rod is perpendicular to the linear displacement of the axis or the middle of the plate and shell is perpendicular to the middle. Linear displacement in the surface direction. 2.0.13 Ovality The difference between the maximum diameter and the minimum diameter of a cylindrical shaft or hole (ring) in a certain cross section, divided by the nominal diameter, and expressed as a percentage Said. The center of the ovality is not fixed, and the maximum diameter and minimum diameter can be in any direction. 2.0.14 Levelness The degree of level difference between objects installed on the same horizontal plane.3 Basic regulations3.1 General rules 3.1.1 The construction unit shall have the corresponding construction qualification; the construction site shall have the approved construction organization design, construction plan and other technical skills. Technical documents; and notify the special equipment safety supervision and management department in writing before the start of construction. 3.1.2 The construction drawings of the boiler unit shall pass the drawing inspection before installation. 3.1.3 The boiler unit installation project should be constructed in accordance with the design and equipment technical documents. In addition to complying with this part, related pumps, pipelines, Thermal insulation, welding, desulfurization, denitrification and dust removal, thermal measurement instruments, etc. should still meet the current relevant national and industry standards Provisions. 1 The installation of pumps should be carried out in accordance with "Technical Specification for Construction of Electric Power Part 3.Steam Turbine Generator Set" DL/T 5190.3. 2 The installation of auxiliary pipes for boilers should be carried out according to "Technical Specifications for Construction of Electric Power Part 5.Piping and Systems" DL/T 3 The thermal insulation and anticorrosion construction of the boiler unit should follow the "Technical Regulations for Thermal Power Plant Thermal Fan" DL 5714. 4 The welding work in the installation of the boiler shall be carried out in accordance with "Technical Specification for Welding of Thermal Power Plants" DL/T 869. 5 The installation of desulfurization, denitrification and dust collector of the boiler unit shall be in accordance with the "Technical Specifications for the Construction of Flue Gas Purification Devices in Thermal Power Plants" 6 The installation of thermotechnical measuring instruments shall be carried out in accordance with "Technical Specifications for Electric Power Construction Construction Part 4.Thermotechnical Instruments and Control Devices" DL/T 5190.4. 7 In addition to the implementation of this section, the steel structure of boiler steel structure and auxiliary machinery and equipment shall also implement the "Steel Structure Engineering Construction Quality Acceptance Code" GB 50205 and "General Technical Conditions for Welding of Steel Structures in Power Stations" DL/T 678. 8 The installation of boiler lifting equipment should implement "Technical Specification for Electric Power Construction Part 3.Steam Turbine Generator Set" According to DL/T 5190.3, GB 50278 of "Construction Specification for Lifting Equipment Installation Engineering" shall also be implemented. 9 The start-up trial operation of the boiler unit should meet the requirements of DL/T 5437 in the "Regulations for Start-up Trial Operation and Acceptance of Thermal Power Generation Construction Projects" begging. 10 Finished or semi-finished products processed on-site should implement "Technical Specifications for Electric Power Construction Part 8.Processing Configuration" DL/T 5190.8. 3.1.4 There should be reliable isolation between infrastructure and production areas. 3.1.5 The boiler equipment shall be accompanied by the design documents required by the safety technical specifications, product quality certification, installation and use when leaving the factory Maintenance instructions, supervision and inspection certificates and other documents. 3.1.6 Construction technical requirements for new products and new equipment, if the manufacturer does not have clear requirements, the construction unit and related units should share Same as research and development, followed by implementation during construction. 3.1.7 Before installing the boiler unit, the equipment should be re-examined according to this part. If any manufacturing defect is found, it should be submitted to the supervisory unit, together with Relevant units research and deal with visas. 3.1.8 Before the equipment is hoisted, the temporary reinforcement facilities of the equipment shall be fully inspected. The lifting lugs and other slings shall be checked for strength. Non-destructive testing should be carried out at the time, and it can be hoisted only after being qualified. The construction hoisting machinery attached to or arranged on the boiler steel structure should be based on its load The distribution of load is calculated and confirmed on the boiler steel structure. 3.1.9 In the process of equipment installation, inspection and acceptance should be carried out in time; if the previous process has not passed the inspection and acceptance, the next process shall not be carried out. Order construction. Concealment works must be checked and visas must be processed before concealment. 3.2 Connection between installation and construction 3.2.1 Before the boiler unit is installed, the installation site should meet the following conditions. 1 Complete the construction of the equipment foundation, underground trenches and underground facilities, as well as the concrete platforms of each layer in the factory building. The ground should be backfilled and compacted. The rough concrete floor should be made to complete the access to the factory building, and it should meet the requirements of the construction organization design. 2 The equipment foundation should be inspected, accepted and processed according to "Code for Acceptance of Construction Quality of Concrete Structure Engineering" GB 50204 Handover procedures; no load-bearing is allowed when the foundation strength does not reach 70% of the design value. 3 The positioning axis and elevation of the foundation have been marked and protected on the foundation. 4 The holes and openings on the building should have reliable covers or railings. 5 The installation site should have reliable fire fighting, lighting and drainage facilities. 6 Construction machinery and equipment, remaining materials and debris should be removed. 3.2.2 It is not allowed to smash holes in the building, damage the load-bearing steel bars and pre-stressed steel bars, and do not weld them. have to When proceeding, it shall be approved by the relevant department, and appropriate tools shall be selected for the opening. 3.3 Green construction and finished product protection 3.3.1 The green construction of the boiler unit shall meet the following requirements. 1 The construction site should adopt an unobstructed annular channel, and it should be combined forever. 2 Adopt new technologies, new processes, new processes, new equipment, new materials for power construction, and strictly pr......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of DL 5190.2-2019_English be delivered?Answer: Upon your order, we will start to translate DL 5190.2-2019_English as soon as possible, and keep you informed of the progress. 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