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GB/T 36051-2018 English PDF

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GB/T 36051-2018: Gas filter
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Basic data

Standard ID GB/T 36051-2018 (GB/T36051-2018)
Description (Translated English) Gas filter
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard P47
Classification of International Standard 91.140
Word Count Estimation 62,698
Date of Issue 2018-03-15
Date of Implementation 2019-02-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 36051-2018: Gas filter

---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.
Gas filter ICS 91.140 P47 National Standards of People's Republic of China Gas filter Published on.2018-03-15 Implementation of.2019-02-01 General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Administration issued

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and definitions, abbreviations 3 3.1 Terms and Definitions 3 3.2 Abbreviations 6 4 classification, code and model 6 4.1 Classification 6 4.2 Code 6 4.3 Model 7 5 Structure and materials 8 5.1 General requirements 8 5.2 Structure 8 5.3 Welding 9 5.4 Painting 9 5.5 Material 10 6 Requirements 16 6.1 Appearance 16 6.2 Nondestructive testing 16 6.3 Filter strength 17 6.4 Temperature resistance 17 6.5 Strength 17 6.6 Air tightness 17 6.7 Flexural strength and torque strength 17 6.8 Filtration efficiency 18 6.9 Resistance 18 6.10 Dust holding capacity 18 6.11 Coating 18 6.12 Important Functional Components 18 7 Test method 19 7.1 General requirements 19 7.2 Visual inspection 20 7.3 Structural Dimensions Inspection 20 7.4 Shell minimum wall thickness inspection 21 7.5 Nondestructive testing test 21 7.6 Filter strength test 22 7.7 Temperature resistance test 22 7.8 Strength test 22 7.9 Air tightness test 23 7.10 Bending strength and torque strength test 23 7.11 Filtration efficiency test 25 7.12 Resistance test 25 7.13 Dust holding capacity test 25 7.14 Coating Test 26 7.15 Shell material inspection 26 7.16 Inspection of important functional parts 26 8 Inspection rules 27 8.1 Inspection classification 27 8.2 Inspection items 27 8.3 Factory inspection 27 8.4 Type test 27 8.5 Decision Rule 28 9 Quality documentation, marking, packaging, transportation and storage 28 9.1 Quality Certification Document 28 9.2 Mark 28 9.3 Packaging and Transportation 29 9.4 Storage 29 Appendix A (Normative) Filter Structure Size 30 Appendix B (informative) Main dimensional tolerances and shape position tolerances of filters 40 Appendix C (Normative) Physical and mechanical properties of rubber materials 42 Appendix D (Normative Appendix) Arizona Test Dust 43 Appendix E (Normative Appendix) 270 mesh quartz sand test dust 45 Appendix F (Normative Appendix) Filter Performance Test Method---Resistance, Counting Efficiency Test 46 Appendix G (normative appendix) Test method for filter performance - resistance, weight efficiency and dust holding capacity test 51 Appendix H (Normative Appendix) Dust collection device 57

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the Ministry of Housing and Urban-Rural Development of the People's Republic of China. This standard was drafted. China Municipal Engineering North China Design and Research Institute Co., Ltd., Shanghai Feiao Gas Equipment Co., Ltd., Fisher Jiu'an Transmission and Distribution Equipment (Chengdu) Co., Ltd., Hefei Jiuhuan Water Supply and Drainage Gas Equipment Co., Ltd., Teres Energy Equipment Co., Ltd. Dalian Paisi Gas System Co., Ltd., Hebei Ruixing Gas Equipment Co., Ltd., Shaanxi Hongyuan Gas Equipment Co., Ltd., Jiangsu Shengwei Filtration Equipment Co., Ltd., Hebei Haoxing Pressure Regulator Co., Ltd., Chongqing Shancheng Gas Equipment Co., Ltd., Zhejiang Cangnan Instrument Group East Star Energy Technology Co., Ltd., Hebei Anxin Gas Equipment Co., Ltd., Zhejiang Xinqi Pipe Industry Co., Ltd., Jiangsu Kexin Gas Equipment Co., Ltd., Foshan Hualiang Bensheng Gas Equipment Co., Ltd., Tianjin Xinke Complete Instrument Co., Ltd., Leshanchuan Natural Gas Transmission and Distribution Equipment Company, Ningbo Zhiqing Industrial Co., Ltd., Ningbo Jacklong Precision Co., Ltd., Chongqing Jichuan Gas Equipment Co., Ltd., Shanghai Microfiltration Purification Technology Co., Ltd., Zhangjiagang City, Fiat Auto Filter Equipment Co., Ltd., Zhejiang Suming Valve Co., Ltd., Jiangsu Chenggong Valve Technology Co., Ltd. Company, Beijing Gas Group Research Institute, National Gas Appliance Quality Supervision and Inspection Center. The main drafters of this standard. Wang Honglin, Qi Jun, Yang Zhiming, Zhong Rufen, Chang Baocheng, Zheng Anli, Xu Yi, Qi Wencai, Liao Hongchun, Rao Jin, Meng Xiangjun, Zeng Li, Xie Shangpeng, He Yongsheng, Huang Chenbao, Liu Hongliang, Tao Xiaozhong, Sun Jianxun, Yuan Yong, Chen Haifeng, Yan Rongjie, Tao Xiaobin, Hu Yichun, Wu Luxing, Su Zongqi, Chen Shuanghe, Ma Xuqing, Hao Hao. Gas filter

1 Scope

This standard specifies the classification, code and model, structure and materials, requirements, test methods, inspection rules and quality of gas filter products. Certification documents, signs, packaging, transportation and storage. This standard applies to the nominal pressure is not more than 10.0MPa, the nominal size is not more than 600mm, the working temperature range is -20 °C~ Gas filter in a 60 ° C gas distribution system. This standard does not apply to gas-liquid separators in the production of petroleum and/or natural gas. Note. The gas referred to in this standard is the gas that meets the requirements of GB/T 13611.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 150 (all parts) pressure vessel GB/T 223 (all parts) Steel and alloy chemical analysis methods GB/T 228.1 tensile testing of metallic materials - Part 1 GB/T 229 metal material Charpy pendulum impact test method GB/T 699 high quality carbon structural steel GB/T 713 steel plate for boiler and pressure vessel GB/T 1173 cast aluminum alloy GB/T 1184 Shape and position tolerances without tolerance values GB/T 1220 stainless steel rod GB/T 1348 ductile iron castings GB/T 1690 vulcanized rubber or thermoplastic rubber liquid test method Determination of neutral salt spray resistance of GB/T 1771 paints and varnishes GB/T 1804 General tolerances tolerances for linear and angular dimensions of tolerances GB/T 3077 alloy structural steel GB/T 3452.1 O-ring rubber seals for hydraulics - Part 1. Dimension series and tolerances GB/T 3452.2 O-ring rubber seals for hydraulics - Part 2. GB/T 3531 steel plate for low temperature pressure vessel GB/T 4336 Determination of multi-element content of carbon steel and medium-low alloy steels by spark discharge atomic emission spectrometry (conventional method) GB/T 4423 copper and copper alloy rods GB/T 4879 anti-rust packaging GB/T 4892 hard rectangular transport packaging size series GB/T 4956 magnetic substrate non-magnetic covering layer thickness measurement magnetic method GB/T 5310 seamless steel pipe for high pressure boiler GB/T 5330.1 Industrial wire mesh and wire braided mesh mesh size and wire diameter combination selection guide 1 Part. General GB/T 6479 seamless steel pipe for high pressure fertilizer equipment GB/T 7306.2 55° sealed pipe threads Part 2. Conical internal and conical external threads GB/T 8163 seamless steel pipe for conveying fluid GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values GB/T 8464-2008 Iron and copper threaded connection valves GB/T 8923 (all parts) Visual assessment of surface cleanliness of steel surface treatment before coating GB/T 9019 pressure vessel nominal diameter GB/T 9113 integral steel pipe flange GB/T 9286 color and varnish paint film cross-cut test GB/T 9440 malleable iron castings GB/T 9711 oil and gas industrial pipeline transportation system steel pipe GB/T 9948 seamless steel pipe for petroleum cracking GB/T 11170 Determination of multi-element content of stainless steels GB/T 12224 steel valve general requirements GB/T 12225 general valve copper alloy casting technical conditions GB/T 12227 general valve ductile iron casting technical conditions GB/T 12228 general valve carbon steel forgings technical conditions GB/T 12229 general valve carbon steel casting technical conditions GB/T 12230 general valve stainless steel casting technical conditions GB/T 12459 steel butt welded pipe fittings type and parameters GB/T 12716 60° sealed pipe thread GB/T 13401 steel butt welded pipe fittings technical specification GB/T 13402 large diameter steel pipe flange GB/T 13611 town gas classification and basic characteristics GB/T 14295 air filter GB/T 14976 stainless steel seamless pipe for fluid transportation GB/T 15530.1 copper alloy integral casting flange GB/T 15530.8 Copper alloy and composite flange technical conditions GB/T 17185 steel flange fittings GB/T 17241.6 integral cast iron flange GB/T 17241.7 Cast iron pipe flange technical conditions GB/T 19672 pipeline valve technical conditions GB/T 20078 copper and copper alloy forgings GB/T 20100 stainless steel fiber sintered filter felt GB/T 20801 (all parts) Pressure piping specification industrial piping GB/T 23658 Elastomeric seals - Material requirements for seals for pipes and fittings for the transport of gaseous fuels and hydrocarbon liquids GB/T 24511 stainless steel plate and steel strip for pressure equipment GB/T 25198 pressure vessel head GB/T 25863 stainless steel sintered wire mesh porous material and its components GB/T 26640 valve housing minimum wall thickness size specification Technical conditions for GB/T 29528 copper alloy forgings for valves GB 50028 town gas design code GB 50058 Explosion Hazardous Environment Power Equipment Design Specification CJ/T 180 manual gas valve for construction FZ/T 64004 thin bonding non-woven fabric HG/T 3737 one-component anaerobic adhesive HG/T 3947 One-component room temperature vulcanized silicone adhesive/sealant HG/T 20553 series for seamless and welded steel pipe for chemical piping HG/T 20592 Steel Pipe Flange (PN Series) HG/T 20613 Fasteners for Steel Pipe Flanges (PN Series) HG/T 20615 Steel Pipe Flange (Class Series) HG/T 20623 Large Diameter Steel Pipe Flange (Class Series) HG/T 20634 Fasteners for Steel Pipe Flanges (Class Series) JB/T 4712 (all parts) container holder JB/T 7757.2 O-ring rubber ring for mechanical seal NB/T 47008 Carbon steel and alloy steel forgings for pressure equipment NB/T 47009 Low alloy steel forgings for low temperature pressure equipment NB/T 47010 Stainless steel and heat resistant steel forgings for pressure equipment NB/T 47013 (all parts) non-destructive testing of pressure equipment NB/T 47020 Pressure vessel flange classification and technical conditions NB/T 47021 A flat welding flange NB/T 47022 B type flat welding flange NB/T 47023 long neck butt weld flange NB/T 47027 Pressure Vessel Flange Fasteners NB/T 47041 tower container QB/T 4381 vacuum cleaner dust bag inner layer paper QB/T 4507-2013 Plumbing Pipe Fittings Copper Filter SY/T 0510 Steel Butt Welded Pipe Fittings Specification SY/T 0556 Quick Switch Blind Sheet Specifications SY/T 5257 Induction heating elbow for oil and gas transmission Technical specification for SY/T 7036 oil and gas station pipeline and equipment outer coating TSG21 fixed pressure vessel safety technical supervision procedures TSGD0001 Pressure Pipe Safety Technology Supervision Regulations---Industrial Pipeline TSGD7002 Pressure Piping Element Type Test Rules ISO 12103-1 Road vehicles - Test dust for filter evaluation Part 1. Arizona test dust (Roadvehi- cles-Testcontaminantsforfilterevaluation-Part 1. Arizonatestdust) 3 terms and definitions, abbreviations 3.1 Terms and definitions The following terms and definitions apply to this document. 3.1.1 Separation of debris (dust, rust and other debris) entrained in the gas stream to protect downstream pipeline equipment from damage, contamination, and blockage Pieces. Referred to as a filter. 3.1.2 Quick open blind quickopeningclosure A mechanical device for the opening of the cylinder of the filter that can be quickly opened or closed. 3.1.3 Quick open door filter quickopeningclosurefilter The barrel is welded with a quick-opening blind plate, a filter that can quickly open and close the sealing lock, and has a safety interlock function. 3.1.4 Design pressure designpressure Under the corresponding design temperature conditions, it is used to determine the pressure value of the filter to calculate the wall thickness and other component sizes. Note. The unit is MPa (MPa). 3.1.5 Nominal pressure normalpressure A numerically indicated pressure-related designation code used to represent the filter flange, which is a circular integer. 3.1.6 Filter nominal size nominaldiameteroffilter The size of the filter inlet, used to indicate the size of the filter. 3.1.7 Filter material A material that separates dust and impurities from a gas filter. 3.1.8 Filter element The replaceable part in the filter consists of the filter material and its support. 3.1.9 Filtration area The filter element serves as the surface area of the filter material for filtration. 3.1.10 Filtration efficiency filtrationefficiency The ability of a filter or filter to capture specific test particles. Note. When using the counting method, it refers to the ratio of the difference between the aerosol count concentration in the upstream and downstream airflow of the filter or filter element and its upstream counting concentration, also called the counting effect. Rate; when tested by the weight method, it refers to the ratio of the amount of dust collected by the filter or filter element to the amount of dust generated, also known as the weight efficiency. Expressed as a percentage (%). 3.1.11 Particle size The nominal diameter of the particles obtained is measured in some way. Note. The unit is micrometer (μm). 3.1.12 Filtration accuracy The particle size of the smallest particle that the filter can capture if it meets effective filtration efficiency (filtration efficiency ≥ 99.9%). Note. The unit is micrometer (μm). 3.1.13 Resistance pressuredrop The static pressure difference between the filter or the filter element as it passes through the filter or filter element. Note. The unit is Pa (Pa). 3.1.14 Initial resistance initialpressuredrop At rated flow, the static pressure difference when the airflow passes through the filter element as a new filter element. Note. The unit is Pa (Pa). 3.1.15 Final resistance finalpressuredrop At the rated flow rate, when the airflow passes through the filter element, the resistance of the filter element rises due to dust accumulation, and the static pressure difference reached is specified. Note. The unit is Pa (Pa). 3.1.16 Maximum allowable resistance maximalalowablepressuredrop The maximum differential pressure that the filter element can withstand without damage. Note. The unit is Pa (Pa). 3.1.17 Dust capacity dustdustingcapacity The total mass of test dust captured by the tested filter at the final resistance at the rated throughput. Note. The unit is gram (g). 3.1.18 Surface filtration rate superficialfiltrationvelocity The speed at which the airflow passes through the filter layer. Note. The unit is meters per second (m/s). 3.1.19 Test speed testvelocity The ratio of the gas volume flow to the inlet side surface area of the filter element during the test. Note. The unit is meters per second (m/s). 3.1.20 Rated flow rate ratedrate The maximum volumetric flow rate of the gas processed by the filter per unit time. Note. The unit is cubic meters per hour (m3/h). 3.1.21 Test dust test-dust This standard is used to simulate a mixed dust source of impurities present in gas pipelines. 3.1.22 Dust generator dustgenerator The test dust is vented to the air to form a relatively uniform dispersion system according to certain requirements. 3.1.23 End filter outletfilter A filter used to capture test dust that passes through the filter under test. 3.1.24 Correlation coefficient correlationratio The ratio of the particle concentration of the downstream and upstream sampling systems in the case where the test system does not have the filter element tested and maintains a stable aerosol concentration. 3.1.25 Isometric sampling isokineticsampling When sampling in a pipe, the inlet pipe airflow velocity is the same as the pipe velocity at the pipe sampling point. 3.2 Abbreviations The following abbreviations apply to this document. A2 dust. ISO 12103-1-A2 fine particle test dust (ISO 12103-1-A2forfinetestdust) A4 dust. ISO 12103-1-A4 grade coarse test dust (ISO 12103-1-A4forcoarsetestdust) CPC. condensation particle counter (condensation particlecounter) DEHS. Di-ethyl-hexyl-sebacate OPC. Optical Particle Counter (optical particle counter) 4 classification, code and model 4.1 Classification Filters can be classified as follows. --- According to the structure type can be divided into. Y type (Y), angle type (J), cylinder type (T); --- According to the installation type can be divided into. vertical (V), horizontal (H); --- According to the interface end face type. threaded connection, welded connection and flange connection; --- According to the shell material is divided into. carbon steel, low alloy steel, stainless steel, cast iron, copper and copper alloy, aluminum alloy; --- According to the working mode can be divided into. ordinary type, quick opening type (K); --- According to the number of filter elements can be divided into. single filter, multi-filter (D); --- According to the filtration accuracy can be divided into. 0.5μm, 2μm, 5μm, 10μm, 20μm, 50μm, 100μm; --- According to the working temperature range can be divided into. Class I -10 ° C ~ 60 ° C, Class II -20 ° C ~ 60 ° C; --- According to the maximum allowable working pressure can be divided into. 0.01MPa, 0.2MPa, 0.4MPa, 0.8MPa, 1.6MPa, 2.5MPa, 4.0 MPa, 6.3 MPa, 10.0 MPa. 4.2 Code 4.2.1 The filter structure type code is as specified in Table 1. Table 1 filter structure type code Structure type code Y type (Y) RGLY Angle type (J) Non-welded structure RGLJI Welding structure RGLJII Cartridge (T) The cylinder is a non-welded structure RGLTI Lateral flow type (tubular steel tube welded structure) RGLTII DC type (the cylinder is a welded structure of steel tubes) RGLTIII Side flow type (the cylinder is a steel plate welded structure) RGLTIV DC type (the cylinder is a steel plate welded structure) RGLTV Other (Q) building type pressure regulating box with integrated filter and other types of RGLQ 4.2.2 The end face type code of the filter interface is as specified in Table 2. Table 2 filter interface end face type code Interface end face type code Threaded connection L Welded connection Socket weld connection SW Butt welding connection BW Flange connection Projected surface (smooth surface) RF Concave FM Convex M 4.2.3 Filter housing material code is shown in Table 3. Table 3 filter housing material code Material code Carbon steel C Cast steel Z Low alloy steel A Stainless steel S Ductile iron Q Malleable cast iron K Copper and copper alloy T Aluminum alloy L 4.3 Model 4.3.1 Model preparation Modeling is done in the following format. Custom number - □ Installation method (vertical omitted) - □ Interface end face type code (see Table 2) / □ Housing material code (see Table 3) Filtration accuracy (μm) - □ Nominal pressure - □ Nominal size (mm) Structure type code (see Table 1) 4.3.2 Model Example The structure type is T-type DC type (the cylinder is welded with steel pipe), the nominal size is DN100, the nominal pressure is 1.6MPa, and the filter is fine. The degree is 5μm, the shell material is carbon steel, the end face of the joint is flanged, the flange sealing surface type is concave, and the installation method is horizontal and multi-filter. Gas filter, expressed as. RGLTIII100-16-5C/FM-HD.

5 Structures and materials

5.1 General requirements 5.1.1 The filter housing may be cast, forged or welded, and the end connections may be flanged or welded end connections. 5.1.2 The filter shall have sufficient strength and rigidity to be considered to withstand the tensile, compressive and bending loads of the pipe, when the support is provided, The support should have sufficient strength, rigidity and stability. 5.1.3 The material of the filter housing should be selected according to its design pressure, working temperature, working medium and material properties, and should comply with the current national The relevant standards. The arrangement of the filter components should be reasonable in structure, convenient in maintenance, easy to operate and low in resistance loss. 5.1.4 The basic process configuration of the filter should include the following. a) the filter body comprises a casing, a filter element and an accessory; b) necessary support, such as support; c) Valves, instruments and other related equipment. 5.1.5 Filter The filter material support shall have sufficient strength to withstand the specified load of the design and shall not cause abnormal deformation. 5.1.6 Filter cartridges, seals and other accessories should have sufficient mechanical strength and chemical stability, compatible with the operating temperature range, and combustion The gas medium is compatible and resistant to corrosion by gas odorants and gases permitted in gas. 5.2 Structure 5.2.1 Inlet and outlet connection types The connection type of the filter with its upstream and downstream pipelines shall meet the following requirements. a) Flange end. Steel pipe flange structure size and sealing surface type shall comply with HG/T 20592, HG/T 20615, HG/T 20623, NB/T 47020~NB/T 47023, GB/T 9113 and GB/T 13402 and other standards; cast iron pipe flange structure size And sealing surface type should meet the requirements of GB/T 17241.6 and GB/T 17241.7; copper alloy pipe flange structure size and sealing The surface type should meet the requirements of GB/T 15530.1 and GB/T 15530.8. Ferrite, copper and aluminium filters with flanges and shells The body should be cast or forged into a whole; b) Pipe thread. only for filters with nominal size less than or equal to DN50, and shall comply with GB/T 7306.2 or GB/T 12716 Provisions; c) Welding end. It should meet the requirements of GB/T 12224. 5.2.2 Maximum allowable working pressure, nominal size and nominal size of the cylinder 5.2.2.1 The maximum allowable working pressure of the filter is 0.01MPa, 0.2MPa, 0.4MPa, 0.8MPa, 1.6MPa, 2.5MPa, 4.0MPa, 6.3MPa, 10.0MPa are selected. 5.2.2.2 The inlet and outlet flanges of the filter should adopt the same nominal pressure and size. The nominal pressure of the flange should not be less than that of the filter housing. design pressure. 5.2.2.3 The nominal size of the filter inlet connection should be 15mm, 20mm, 25mm, (32)mm, 40mm, 50mm, (65)mm, 80mm, 100mm, 125mm, 150mm,.200mm, 250mm, 300mm, 350mm, 400mm, 500mm, 600mm selection. 5.2.2.4 The size of the filter cylinder refers to the nominal diameter. For the filter made of seamless steel pipe, the filter shall comply with the provisions of HG/T 20553; For steel plate rolled filters and quick-opening filters, it shall comply with the provisions of GB/T 9019. 5.2.3 Structural dimensions 5.2.3.1 The size of the filter structure shall comply with the provisions of Appendix A. 5.2.3.2 The structural dimensions of other pressure grades and other types of filters shall be determined by the manufacturer and their performance shall comply with the requirements of this standard. 5.2.4 Structural Dimensional Tolerance 5.2.4.1 The thread size tolerance of the threaded filter interface shall comply with the provisions of GB/T 7306.2 or GB/T 12716. 5.2.4.2 Flange-connected filter flanges shall have dimensional tolerances in accordance with HG/T 20592, HG/T 20615, HG/T 20623, NB/T 47020~NB/T 47023, GB/T 9113, GB/T 13402, GB/T 17241.7 and GB/T 15530.8 Provisions. 5.2.4.3 See Appendix B for the main dimensional tolerances and position tolerances of the filter. The unfilled position tolerance shall comply with the requirements of GB/T 1184K. Unlinear tolerances shall comply with the requirements of GB/T 1804m. 5.2.5 Minimum wall thickness of the casing The minimum wall thickness of the housing should meet the following requirements. a) The minimum wall thickness of the threaded iron and copper filter housings shall comply with the requirements of Table 4 of GB/T 8464-2008; b) The minimum wall thickness of the flanged copper filter housing shall comply with the requirements of Table 1 of QB/T 4507-2013; c) The minimum wall thickness of the shell of the cast steel flange filter shall comply with the provisions of GB/T 26640; d) The minimum wall...