SB/T 10345.1-2012 English PDFSB/T 10345.1: Historical versions
Basic dataStandard ID: SB/T 10345.1-2012 (SB/T10345.1-2012)Description (Translated English): Refrigerating systems and heat pumps. Safety and environmental requirements. Part 1: Basic requirements, definitions and classification Sector / Industry: Domestic Trade Industry Standard (Recommended) Classification of Chinese Standard: J73 Classification of International Standard: 27.080; 27.200 Word Count Estimation: 46,464 Older Standard (superseded by this standard): SB/T 10345.1-2001 Quoted Standard: GB 9237; GB/T 18517; ISO 817; ISO 12100; GB/T 24040 Adopted Standard: EN 378-1-2008, NEQ Regulation (derived from): ?Ministry of Commerce Announcement 2012 No.47; Industry Standard Filing Announcement 2012 No.9 (Total No.153) Issuing agency(ies): Ministry of Commerce of the People's Republic of China Summary: This standard specifies the safety requirements for the following cases of persons and property (not including storage of cargo). And local and global environmental requirements: a) various sizes fixed or mobile refrigeration systems, including heat pumps SB/T 10345.1-2012: Refrigerating systems and heat pumps. Safety and environmental requirements. Part 1: Basic requirements, definitions and classification---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. Refrigerating systems and heat pumps. Safety and environmental requirements. Part 1. Basic requirements, definitions and classification ICS 27.080; 27.200 J73 Record number. 37191-2012 People's Republic of China domestic trade industry standard Replacing SB/T 10345.1-2001 Refrigeration systems and heat pump safety and environmental requirements Part 1. Basic requirements, definitions and classification Published on.2012-08-01 2012-11-01 implementation Published by the Ministry of Commerce ContentForeword I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Classification 10 Appendix A (informative) Total Equivalent Warming Effect (TEWI) 16 Appendix B (Normative) Refrigerant Charge Limit 18 Appendix C (informative) Personal protection of personnel in cold rooms 28 Appendix D (Normative) Safety classification and other information for refrigerants 29 Appendix E (informative) Safety Grouping of Refrigerants 35 Appendix F (Normative) Special requirements for ice rinks 40 Reference 41ForewordThis standard uses the redrafting method, refer to the European Committee for Standardization (CEN) Technical Committee 182 (TC182) (referred to as CEN/ TC182) EN378 "Safety and Environmental Requirements for Refrigeration Systems and Heat Pumps", prepared in accordance with EN378-1.2008 Degree is not equivalent. SB/T 10345 “Safety and Environmental Requirements for Refrigeration Systems and Heat Pumps” is divided into four sections. --- Part 1. Basic requirements, definitions and classifications; --- Part 2. Design, construction, testing, marking and preparation; --- Part 3. Installation location and personal protection; --- Part 4. Operation, maintenance, overhaul and recycling. This standard covers the safe operation and environmental protection of the personal and property related to the refrigeration system and heat pump, especially to prevent the diffusion of refrigerant. The stringent provisions are listed for the damage of the atmospheric ozone layer and the impact of the global warming effect. It is the refrigeration system in the refrigeration and air conditioning industry today. A basic standard that is more detailed and complete in the context of the heat pump. This standard retains the main content of the original version, only for a small part of the content, such as the definition of the terms and conditions that have been formulated and are being approved in China. There are duplicate clauses in the standards or industry standards, as well as statements that are inconsistent with China's national conditions in the articles, and the necessary additions and deletions have been made. This standard was proposed by the Ministry of Commerce of the People's Republic This standard is under the jurisdiction of the National Refrigeration Standardization Technical Committee. This standard was drafted. China Refrigeration Society, Jiangsu Baixue Electric Co., Ltd., Xi'an Jiaotong University, domestic trade engineering design and research Research Institute, National Commercial Refrigeration Equipment Quality Supervision and Inspection Center. The main drafters of this standard. Yu Bingfeng, Hu Wangyang, Qi Pengcheng, Li Tiantian, Wang Congfei, Liu Xiaopeng, Xiao Yang. The release of previous versions of this standard is. ---SB/T 10345.1-2001. Refrigeration systems and heat pump safety and environmental requirements Part 1. Basic requirements, definitions and classification1 ScopeThis part of SB/T 10345 specifies the safety requirements for persons and property (excluding stored goods) in the following cases, as well as local And the requirements of the global environment. a) fixed or mobile refrigeration systems of all sizes, including heat pumps; b) secondary cooling or heating system; c) The installation location of the above refrigeration system. This section applies to the replacement of refrigerants and pressure vessels for new refrigeration systems and existing refrigeration systems, as well as for the dimensions of existing systems. Protection, overhaul, handling, recycling, reuse and disposal. Only some of the sections and clauses in this section are applicable to refrigeration systems with low refrigerant charge. This section does not apply to refrigeration systems that use air or water as refrigerant; for refrigeration systems that use refrigerants not listed in Appendix D As long as the safety classification of these refrigerants has not been determined, this section does not apply.2 Normative referencesThe following documents are indispensable for the application of this section. For dated references, only dated versions apply to this Part. Minute. For undated references, the latest edition (including all amendments) applies to this section. GB 9237 Safety requirements for mechanical refrigeration systems for refrigeration and heating (GB 9237-2001, ISO 5149.1993, eqv) GB/T 18517 refrigeration terminology GB/T 24040 Environmental Management Life Cycle Assessment Principles and Framework (GB/T 24040-2008, ISO 14040.2006, IDT) ISO 817 refrigerant identification system ISO 12100 Mechanical Safety Design General Risk Assessment and Reduction3 Terms and definitionsThe following terms and definitions defined in GB/T 18517 apply to this document. 3.1 refrigeration system refrigerationsystems 3.1.1 Refrigeration system (heat pump) refrigeratingsystem(heatpump) Interconnected collection of refrigerant components that form a closed refrigerant cycle in which the refrigerant circulates Absorbs and releases heat (such as cooling, heating). 3.1.2 Monolithic system self-containedsystem Factory-built, complete refrigeration systems housed in frames and/or cabinets that can be assembled into one or several sections and Transportation, in addition to the matching valve or blocking valve, the site does not connect any components containing refrigerant. 3.1.3 Unit system system A monolithic system that has been assembled prior to installation and that has been filled with refrigerant for use prior to installation and installation. How to contain the components of the refrigerant. A unit system may also include a factory-fitted or blocked valve. 3.1.4 Limited filling system limitchargedsystem Refrigeration system with limited volume and refrigerant charge. When the system stops running, even if the charged refrigerant is completely evaporated, it will not Allow the pressure inside the system to exceed the allowable pressure. 3.1.5 Absorption or adsorption system absorptionoradsorptionsystem The refrigerant evaporates to produce refrigeration, and the refrigerant vapor is then absorbed or adsorbed by the absorption medium or the adsorption medium, and then the refrigerant is heated. A system that is released from a medium at a higher partial vapor pressure and cooled to a liquid, known as an absorption or adsorption system. 3.1.6 Secondary cooling or heating system secondary coolingingheatingsystem The use of fluid to transfer heat from a product or space to be cooled or heated, or from another cooling or heating system to a refrigeration system, the process The fluid is uncompressed and expanded. 3.1.7 Closed system closedsystem All components containing refrigerant are sealed by flanges, threaded joints, etc. 3.1.8 Sealing system sealedsystem All components containing refrigerant are sealed by a permanent connection such as welding, brazing, etc. 3.1.9 High pressure side highpressureside The portion of the refrigeration system that operates near the pressure of the condenser or gas cooler. 3.1.10 Low pressure side lowpressureside The portion of the refrigeration system that operates near the evaporator pressure. 3.1.11 Mobile system mobilesystem Usually refers to a refrigeration system that operates in a moving state, including refrigeration systems for refrigerated cargo or air conditioning on ships and aircraft, and The refrigeration system used on vehicles and containers that transport refrigerated cargo. 3.1.12 Cascade system cascadesystem Consisting of two or more independent refrigeration cycles, in which the heat of the condenser of one circulation system is directly discharged to another cycle system System evaporator. 3.1.13 Transcritical cycle The refrigeration cycle in which the refrigerant compressor discharge pressure is greater than the critical pressure of the refrigerant. 3.1.14 Assembly assembly A single unit with deterministic functions (such as condensing units) assembled by several components, usually connected in the field to become a complete unit system. 3.1.15 Component component A single functional device of a refrigeration system or a component of an assembly, but does not include seals, fasteners, and the like. 3.2 place, location occupancies, localities 3.2.1 Machine room A fully enclosed room or space, ventilated with mechanical ventilation, allowing only designated personnel to enter. The equipment room is equipped with components of the refrigeration system or Set of refrigeration systems. Other equipment, as long as it meets the safety requirements of the refrigeration system, can also be placed in the equipment room. 3.2.2 Special machine room specialmachineryroom A machine room dedicated to the installation of a complete refrigeration system or refrigeration system component is only allowed to be serviced and serviced by qualified personnel. 3.2.3 Occupied space (personality, place) occupiedspace(occupancy) A completely enclosed space (a human being) that was occupied during an important period of time. Designed or constructed around a human place The resulting space, although not properly sealed, is still considered part of a human space. The venue can be directly connected to the public area or only to professionals The place where the staff works. The components of the refrigeration system or the entire refrigeration system may be located within the premises. 3.2.4 Air lock airlock An isolation chamber with separate entrance and exit doors that allow personnel to pass from one location to another. 3.2.5 Lobby lobby Entrance hall or large corridor used as a waiting room. 3.2.6 Walkway halway Corridor for people to pass. 3.2.7 Export exit Openings on the outer wall, with or without doors. 3.2.8 Exit channel exitpassageway Close to the exit passage, the person leaves the building through the passage. 3.2.9 Cold room coldroom The internal temperature is maintained by the refrigeration system in a room or cabinet below ambient temperature. 3.2.10 Direct connection directconnection The connection between the room and the room has an opening in the partition wall, which can be freely partitioned from the room by closing the door, window or skylight. 3.2.11 Open air openair Roofed or uncovered, wallless space. 3.2.12 Evacuation channel escapeduct A dedicated access as an emergency exit. 3.2.13 Crawling space crawlspace Usually used only for people to crawl into the space for maintenance. 3.3 Pressure pressures 3.3.1 Gauge pressure The gauge pressure is equal to the difference between absolute pressure and atmospheric pressure. All pressures refer to gauge pressure unless otherwise stated. 3.3.2 Maximum allowable pressure maximumalowablepressure The maximum design pressure of the equipment specified by the manufacturer. The maximum allowable pressure is the working pressure that should not be exceeded when the system is running or not running. The force limit is expressed by "PS". 3.3.3 Design pressure designpressure The pressure chosen to calculate the pressure for each component. It is used to determine the necessary material and thickness of each component according to the pressure resistance. structure. 3.3.4 Pressure test pressure strengthtestpressure Pressure used to test the strength of any component in a refrigeration system or refrigeration system. 3.3.5 Seal test pressure leaktestpressure The pressure used to test the tightness of a system or any of its components. 3.3.6 Surge starting pressure surgelimit The pressure at which the refrigerant flow of the centrifugal compressor begins to be unstable. 3.4 Components of the refrigeration system componentsofrefrigeratingsystems 3.4.1 Refrigeration device refrigeratinginstalation A combination of refrigeration system components and all components necessary for operation of the refrigeration system. 3.4.2 Refrigeration equipment refrigeratingequipment Components that make up the refrigeration system, such as compressors, condensers, generators, absorbers, adsorbers, reservoirs, evaporators, low pressure reservoirs. 3.4.3 Refrigeration compressor refrigerationcompressor A machine that mechanically increases the vapor pressure of a refrigerant. 3.4.4 Motor-compressor motorcompressor A unit that is fixedly assembled with an electric motor and a compressor. 3.4.4.1 Fully enclosed motor-compressor hermeticmotorcompressor The compressor and the motor are combined and packaged in the same casing, without an outer shaft or shaft seal, and the motor is mixed with oil and refrigerant vapor. Run in. 3.4.4.2 Semi-closed (detachable closed) motor-compressor semihermetic (accessiblehermetic) motorcompressor Composed of a compressor and an electric motor, both of which are housed in the same casing, with a detachable cover for inspection, but no external shaft or shaft seal, electricity The motive runs in a mixture of oil and refrigerant vapor. 3.4.4.3 Fully enclosed rotary motor - compressor cannedrotormotorcompressor Seal the rotary motor-compressor inside the casing. 3.4.5 Open compressor opencompressor A compressor having a drive shaft that can extend into a casing that seals the refrigerant. 3.4.6 Positive displacement compressor A compressor that compresses by changing the internal volume of the compression chamber. 3.4.7 Non-positive displacement compressor A compressor that does not compress by changing the internal volume of the compression chamber. 3.4.8 Pressure vessel pressurevessel Any component containing refrigerant in the refrigeration system, except. ---Semi-closed and open compressors; --- coils consisting of tubes (including headers) and using air as the secondary heat transfer fluid; ---Pipe and its valves, fittings and accessories; ---Control device; ---pressure switch, meter, liquid indicator; ---Safety valve, fusible plug, rupture disc; ---Pump. 3.4.9 Condenser condenser A heat exchanger that liquefies a refrigerant vapor by removing heat. 3.4.10 Gas cooler gascooler A heat exchanger in a transcritical system that cools a supercritical refrigerant by removing heat. 3.4.11 Liquid receiver liquidreceiver A container for storing liquid refrigerant that is permanently connected to the refrigeration system through an inlet and outlet conduit. 3.4.12 Liquid collector (gas-liquid separator) accumulator A container capable of storing liquid refrigerant permanently connected to the refrigeration system between the evaporator outlet and the compressor suction. 3.4.13 Evaporator evaporator A heat exchanger that vaporizes a liquid refrigerant by absorbing heat of a cooled object. 3.4.14 Coil coil A component of a refrigeration system made up of suitably connected elbows or straight tubes used as a heat exchanger (evaporator or condenser). 3.4.15 Compressor unit compressorunit A combination of one or more compressors and conventionally mounted accessories. 3.4.16 Condensing unit condensingunit A combination of one or more compressors, condensers, reservoirs (when required) and conventionally mounted accessories. 3.4.17 Low pressure reservoir surgedrum A container containing a low-pressure low-temperature refrigerant and connected to the evaporator through a supply pipe and a return pipe. 3.4.18 Total internal product internalgrossvolume The volume calculated from the internal dimensions of the container does not subtract the volume occupied by any part inside the container. 3.4.19 Net content product internalnetvolume Calculate the volume based on the internal dimensions of the container and subtract the volume occupied by the internal permanent parts of the container. 3.4.20 Certified component typeapprovedcomponent One or more samples pass the certified component in accordance with the certification criteria associated with the certification. 3.5 piping and joints pipingandjoints 3.5.1 Pipe thread Pipes for interconnecting the various components of the refrigeration system, including hoses, bellows, fittings or flexible pipes. 3.5.2 Joint joint Used for the connection between two parts. 3.5.3 Welded joint weldedjoint A joint obtained by joining plastic or molten metal parts. 3.5.4 Brazed joint brazedjoint By using a joint obtained by joining metal parts with an alloy, the melting temperature of the alloy is usually higher than 450 ° C but lower than the melting of the connected parts. temperature. 3.5.5 Brazed jointsoldedjoint A joint obtained by joining a metal part with a metal mixture or alloy, the melting temperature of the metal mixture or alloy is usually lower than 450 ° C. 3.5.6 Solder joint head softsolderedjoint The melting temperature of the metal mixture or alloy is less than.200 ° C by a joint obtained by joining a metal part with a metal mixture or alloy. 3.5.7 Flanged connection flangedjoint A bolted joint that secures a pair of flange end faces together. 3.5.8 Flared connection flaredjoint A metal-to-metal compression joint in which the tube ends are conically expanded. 3.5.9 Compression joint compressionjoint A sealed joint is obtained by deforming the compression ring. 3.5.10 Threaded pipe end pipethreadend A pipe end having a straight or conical thread is obtained by using a filler material or a thread 匝 deformation. 3.5.11 Header header A pipe assembly in a refrigeration system that is connected to several other pipes. 3.5.12 Cutting device shut-offdevice A device that blocks the flow of a fluid such as a refrigerant or a brine. 3.5.13 Companion stop valve companion(block)valves Combined shut-off valves in pairs that separate the refrigeration system into sections and close the sections before opening the valve These parts can be disconnected after the valve. 3.5.14 Quick closing valve A closing device that automatically closes or closes an angle of less than or equal to 130° by gravity, spring force, fast-closing ball, or the like. 3.5.15 Globe valve isolatingvalves A valve that prevents fluid from flowing in either direction when closed. 3.5.16 Locking valve lockedvalve A valve that is sealed or otherwise restricted and that can only be operated by authorized personnel. 3.5.17 Nominal size nominalsize (DN) A common representation of the dimensions of all components in a piping system, as opposed to using outer diameter or thread size, to facilitate integers Indicates that its value is slightly different from the manufacturing size. 3.6 Safety accessories safetyaccessories 3.6.1 Pressure relief device pressurereliefdevice Safety valve or rupture disc for automatic release of excessive pressure. 3.6.2 Safety valve pressurereliefvalve Pressure-driven valves that are held closed by springs or otherwise and that are used to automatically release excessive pressure, starting at a set pressure value Open an......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SB/T 10345.1-2012_English be delivered?Answer: Upon your order, we will start to translate SB/T 10345.1-2012_English as soon as possible, and keep you informed of the progress. 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