GB 55010-2021 English PDFUS$1059.00 · In stock
Delivery: <= 7 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 55010-2021: (Heating engineering project specification) Status: Valid
Basic dataStandard ID: GB 55010-2021 (GB55010-2021)Description (Translated English): (Heating engineering project specification) Sector / Industry: National Standard Classification of Chinese Standard: P46 Word Count Estimation: 53,531 Issuing agency(ies): Ministry of Housing and Urban-Rural Development of the People's Republic of China; State Administration for Market Regulation GB 55010-2021: (Heating engineering project specification)---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.1 General 1.0.1 In order to promote the sustainable development of high-quality urban and rural heating sites, ensure personal, property and public safety, achieve stable heating, save energy, and protect the environment, this specification is formulated. 1.0.2 Heating projects in cities, towns, and rural areas must implement this specification. This specification does not apply to the following engineering projects. 1 T-process projects in thermal power plants, biomass heating plants, nuclear energy heating plants, solar heating plants, etc.; 2 Heating, cavity and domestic hot water supply projects in buildings for heat users, and heat engineering projects for production. 1.0.3 The heat supply process should aim at achieving safe production, stable heat supply, energy saving and high efficiency, and environmental protection, and should follow the following principles. 1 Comply with national policies on energy, ecological environment, land use and emergency management; 2 Guarantee personal, property and public safety; 3 Adopt modern information technology and encourage engineering technology innovation; 4 Guarantee the quality of project construction and improve the level of operation and maintenance. 1.0.4 Whether the technical methods and measures adopted in the project construction meet the requirements of this specification shall be judged by the relevant responsible parties. Among them, innovative technical methods and measures should be demonstrated and meet the performance requirements in this specification. 2 basic rules2.1 Scale and layout 2.1.1 The scale of heating projects should be determined based on conditions such as urban and rural development, energy supply, climate environment, and heat demand, after market investigation, scientific demonstration, and comprehensive analysis of heat load development. 2.1.2 The layout of the heating project should be coordinated with the urban and rural functional structure, meet the needs of urban and rural construction and the development of the heating industry, ensure public safety, and arrange according to the principles of safe and reliable heating and energy consumption reduction. 2.1.3 The selection of heating energy should be based on local conditions, the energy supply should be stable, reliable, and economically feasible, and the energy utilization should be energy-saving and environmentally friendly, and should meet the following requirements. 1 Priority should be given to the use of various industrial waste heat and waste heat resources, and full use of clean and renewable energy such as geothermal energy, solar energy, and biomass energy; 2 When conditions for combined heat and power generation are met, the heat supply mode dominated by combined heat and power generation should be adopted; 3 In the area covered by the heating pipe network, no new decentralized coal-fired boilers shall be built for heating; 4 It is forbidden to use electric energy produced by fossil energy, and use direct heating as the main heat source for heating. 2.1.4 The selection of heating medium should meet the needs of users for heating parameters. Hot water should be used as the heating medium for the heating system mainly based on building heating, ventilation, air conditioning and domestic hot water heat load. 2.2 Construction requirements 2.2.1 The heat supply project shall be equipped with heat source plant, heat supply pipe network and necessary facilities for operation and maintenance. Process parameters such as operating pressure, temperature and flow shall ensure the safety of the heat supply system and the quality of heat supply, and shall comply with the following regulations. 1 It should have the monitoring, alarm, interlocking and adjustment of operating process parameters and heating quality 2 control function; 2 Equipment and pipelines should meet the requirements of strength, sealing and pipeline thermal compensation under the design pressure and temperature; 3 It should have the ability to cut off in time under accident conditions, reduce the scope of influence, and prevent water hammer and frost damage. 2.2.2 The heating project should set up an automatic control and information management system that meets the national information security requirements to improve the level of operation management. 2.2.3 The heating project should be equipped with a water replenishment system, and should be equipped with water quality testing equipment and water treatment devices. The supply water quality of the heating system with hot water as the medium shall meet the requirements in Table 2.2.3. 2.2.4 The design working life of the main buildings (structures) of the heating project shall not be less than 50 years, and the safety level shall not be lower than the second grade. 2.2.5 The materials and equipment used in the heating project shall meet the requirements of design conditions such as system function, medium characteristics and external environment. The pressure bearing capacity of equipment, piping and accessories shall not be less than the system design pressure. 2.2.6 Insulation materials for heating equipment, pipes and pipe fittings in the station room and in the traffic pipe trench shall be made of non-combustible or flame-retardant materials. 2.2.7 Within the design working period, the construction, operation and maintenance of the heating project shall be safe and reliable. When the design working life is reached or damaged due to accidents or disasters, if the facilities continue to be used, the safety and performance evaluation of the facilities should be carried out. 2.2.8 Reasonable anti-seismic and flood control measures should be taken for heating projects, and accidents should be effectively prevented. 2.2.9 The construction sites of heating projects and important heating facilities should have standardized and obvious safety warning signs. Lighting, warning lights and bodhisattva signs with reflective functions should be set up at night on the construction site. 2.2.10 The following energy-saving and environmental protection measures should be taken in the construction of heating projects. 1 Energy-saving and environment-friendly equipment and materials shall be used; 2 The heat source plant and heat power station should be equipped with automatic control and adjustment devices and heat metering devices; 3 Plants and stations should calculate various energy consumption batches, and power consumption and lighting consumption should be measured separately, and should meet the requirements of energy-saving assessment; 4 Gas boilers should be equipped with flue gas waste heat recovery and utilization devices; 5 When using geothermal energy for heating, groundwater resources and the environment should not be damaged, and the discharge temperature of geothermal tail water should not exceed 20°C; 6 Effective measures should be taken to discharge pollutants and noise up to the standard. 2.2.11 Dispatch center and factory station should have measures to prevent irrelevant personnel from entering, and should have video surveillance system, and video surveillance and alarm signals should be uploaded to the monitoring room in real time.3 heat source plant3.1 Factory area 3.1.1 The site selection of the heat source plant shall be comprehensively determined based on conditions such as heat load distribution, surrounding environment, hydrogeology, transportation, fuel supply, water supply and drainage, power supply and communication, and shall avoid areas affected by bad geology and flooding. 3.1.2 The fire separation distance and passage between the buildings (structures) in the heat source plant and the buildings (structures) outside the plant should meet the fire protection requirements. 3.1.3 The outer wall, floor or roof of the boiler room and combustion equipment room should have corresponding explosion-proof measures. 3.1.4 The setting of the entrance and exit of the boiler room and combustion equipment room should meet the following requirements. 1 Independently installed heat source, when the total length of the aisle in front of the host equipment is greater than or equal to 12m or the total building area is greater than or equal to.200 square meters, there should be no less than 2 entrances and exits; 2 For non-independent heat sources, there should be no less than two entrances and exits; 3 For multi-layer layout, there should be no less than 2 entrances and exits on each floor; 4 When there are 2 or more entrances and exits, they should be set up in a dispersed manner; 5 There should be at least one entrance and exit on each floor that leads directly to the outdoor or evacuation stairs, and the evacuation stairs should directly lead to the outdoor ground. 3.1.5 The fuel oil or gas boiler room and the combustion equipment room with combined cooling, heating and power supply installed in other buildings shall be equipped with an independent air supply and exhaust system. The ventilation device shall be explosion-proof, and the ventilation volume shall meet the following requirements. 1 When it is installed on the first floor, for those using fuel oil as fuel, the number of normal air changes should not be less than 3 times/h, and the number of accidental air changes should not be less than 6 times/h; The frequency of ventilation should not be less than 6 times/h, and the frequency of accidental ventilation should not be less than 12 times/h. 2 When it is installed in a semi-underground or semi-basement, its normal ventilation frequency should not be less than 6 times/h, and the accidental ventilation frequency should not be less than 12 times/h. 3 When it is installed underground or in a basement, the number of air changes should not be less than 12 times/h. 4 The total fresh air sent to the boiler room and combustion equipment room should be more than 3 times/h. 5 The fresh air sent to the control room should be calculated according to the number of operators on the largest shift. 3.1.6 The liquefied petroleum gas cylinders or storage tanks used for ignition in fuel oil heating plants should be stored in special rooms. The total volume of cylinders or storage tanks should be less than 1m30 3.1.7 Fuel oil or gas boiler room, combustion equipment room for combined cooling, heating and power supply, gas pressure inquiry room, fuel pump room, pulverized coal preparation room, coal crusher room and other places with explosion hazards should be equipped with fixed combustible gas Concentration or dust concentration alarm device. The alarm concentration of flammable gas should not be higher than 20% of the lower limit of its explosion limit, and the alarm concentration of dust should not be higher than 25% of the lower limit of its explosion limit. 3.1.8 The electrical and instrumentation devices installed in the explosion-hazardous environment in the heat source factory shall have the explosion-proof performance that meets the requirements for the safe use of the environment in this area. 3.1.9 Lightning protection facilities should be installed on the barrel body of the smoke, safety fences should be installed on the ladder, and flight obstruction lights and signs should be installed according to the relevant regulations of aviation management. 3.1.10 Artesian wells in geothermal heat source plants shall not use underground or semi-underground well pumping rooms. When the water temperature of the geothermal well is greater than 45°C, the underground or semi-underground well pump room should be provided with a safe passage leading directly to the outside. 3.2 Boilers and equipment 3.2.1 The pressure parts of the boiler should be inspected before installation, and the pressure parts that affect the safe use of the boiler should not be installed. 3.2.2 During the boiler water pressure test, the pressure test system should be equipped with not less than 2 pressure gauges that have passed the calibration. For boilers with a rated working pressure of not less than 2.5MPa, the accuracy level of the pressure gauge should not be lower than 1.6; for boilers with a rated working pressure of less than 2.5MPa, the accuracy level of the pressure gauge should not be lower than 2.5.The pulling range of the pressure gauge should be 1.5 to 3 times the test pressure. 3.2.3 The set pressure of the steam boiler safety valve shall comply with the provisions in Table 3.2.3.The boiler should have a safety valve set according to the lowest value of the set pressure. If the boiler is equipped with a superheater, the safety valve should be set on the superheater. Table 3.2.3 1 The setting pressure of the economizer safety valve should be 1.1 times the working pressure of the installation site; 2 For pulse type safety valves, the working pressure in the table refers to the working pressure at the place where the punching card is connected; for other types of safety valves, it refers to the working pressure at the place where the safety valve is installed. 3.2.4 The hot water boiler should have a safety valve set according to the minimum value of the set pressure, and the set pressure should meet the following requirements. 1 The minimum value should be 1.10 times of the working pressure of T, and should not be less than the working pressure of T plus 0.07MPa; 2 The highest value should be 1.12 times of the working pressure of T, and should not be less than the working pressure of T plus 0.10MPa. 3.2.5 Boiler safety valves should be tested for tightness one by one, and the setting and calibration of safety valves should not be less than once a year, and should be locked or sealed after passing the test. 3.2.6 The indoor fuel tank shall be a closed fuel tank and shall meet the following requirements. 1 The fuel tank should be equipped with a vent pipe leading directly to the outside, and a flame arrester and rainproof facilities should be installed on the vent pipe; 2 The glass tube type oil level gauge should not be used on the fuel tank. 3.2.7 The flue of oil-fired, gas-fired and pulverized-coal boilers should be equipped with explosion venting devices where the flue gas easily gathers. Fuel-fired and gas-fired boilers shall not share the flue and chimney with solid-fuel boilers. 3.3 Piping and accessories 3.3.1 The heating pipeline shall not be laid in the same trench as the pipeline conveying flammable, explosive, volatile, toxic, harmful, corrosive and inert media. 3.3.2 A bypass pipe with a check valve should be installed between the inlet and outlet main pipes of the circulating water pump of the hot water heating system. 3.3.3 Safety valves on equipment and pipelines should be installed vertically, and the diameter of the exhaust (water) pipe should not be smaller than the nominal diameter of the outlet of the safety valve, and a drain pipe should be installed at the bottom of the exhaust pipe. Exhaust steam (water) pipes and drain pipes should lead directly to a safe place, and no valves should be installed. 3.3.4 If the positive displacement oil supply pump does not have its own safety valve, a safety valve should be installed near the oil pump in front of the outlet pipe valve. 3.3.5 Fuel system accessories shall not be made of materials that may be corroded or dissolved by fuel. 3.3.6 When the gas combined cooling, heating and power supply is an independent station building, and the indoor gas pipeline design pressure is greater than 0.8MPa; or when the indoor gas pipeline design pressure is greater than 0.4MPa for a non-independent station building, the gas pipeline and its pipeline accessories Materials and connections shall meet the following requirements. 1 Gas pipelines should adopt seamless steel pipes and seamless steel pipe fittings; 2 Gas pipelines should be connected by welding, and the connections between pipelines and equipment and valves should be flanged or welded; 3 Welded joints should be 100% radiographically and ultrasonically tested. 3.3.7 The gas and steam pipes and accessories of the heat source plant shall not be made of cast iron, and the gas valves shall have fire resistance. 3.3.8 Gas pipelines should not pass through flammable or explosive warehouses, duty rooms, distribution and transformation rooms, cable trenches (wells), ventilation trenches, air ducts, flue ducts and places with corrosive environments. 3.3.9 For the boiler rooms, combustion equipment rooms and rooms with liquefied petroleum gas pipelines that use liquefied petroleum gas, the indoor ground shall not be equipped with facilities such as pipe trenches (wells) or underground passages connected to the outdoors.4 heating pipe network4.1 Heating pipeline 4.1.1 The design working life of the hot water heating pipeline should not be less than 30 years, and the design working life of the steam heating pipeline should not be less than 25 years. 4.1.2 The pipe position of the heating pipeline shall be comprehensively determined in combination with the terrain, road conditions and urban pipeline layout requirements. For directly buried heating pipelines, the soil covering depth should be determined according to the laying method, pipeline diameter, road load and other conditions. The covering depth of directly buried heating pipes shall not be less than 0.8m under the roadway; it shall not be less than 0.7m under sidewalks and fields. 4.1.3 There shall be no gas pipeline passing through the heating pipe ditch. When the vertical clear distance between the heating pipe trench and the gas pipeline is less than 300mm, measures should be taken to prevent gas from leaking into the pipe trench. 4.1.4 The outdoor heating pipe trench should not be directly connected with the building. When the heating pipe laid in the pipe trench enters the building or passes through the structure, a sleeve should be installed where the pipe passes through the wall, the insulation structure should be complete, and the gap between the sleeve and the heating pipe should be sealed tightly. 4.1.5 When heating pipelines pass through railways, highways, municipal trunk roads, rivers, irrigation canals and other waters, protective measures should be taken so as not to affect the traffic and water conservancy facilities and the safety of heating pipelines. 4.1.19 For heating pipelines that do not meet the conditions for safe use, they should be stopped in time and can only be used after repairing or updating. 4.1.20 Abandoned heating pipes and structures should be removed; if they cannot be removed in time, safety protection measures should be taken to prevent public safety from being endangered. 4.2 Heat station and relay pump station 4.2.1 The location and performance parameters of the relay pump station and pressure isolation station of the hot water heating pipe network shall be determined according to the hydraulic conditions of the heating pipe network. 4.2.2 There should be no less than 2 safety exits for the steam thermal station, the hot water thermal station with the length of the station building longer than 12m, the relay pump station and the pressure isolation station. 4.2.3 The relay pump, heat source circulation pump and related valves of the hot water heating pipe network shall be interlocked and controlled, and the power supply load level shall not be lower than the second level. 4.2.4 A bypass pipe with a check valve should be installed between the inlet and outlet main pipes of the relay pump. 4.2.5 Valves should be instal......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 55010-2021_English be delivered?Answer: Upon your order, we will start to translate GB 55010-2021_English as soon as possible, and keep you informed of the progress. 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