GB 51283-2020 English PDFUS$1149.00 ยท In stock
Delivery: <= 8 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 51283-2020: Fire protection standard for engineering design of fine chemical enterprise Status: Valid
Basic dataStandard ID: GB 51283-2020 (GB51283-2020)Description (Translated English): Fire protection standard for engineering design of fine chemical enterprise Sector / Industry: National Standard Classification of Chinese Standard: T34 Classification of International Standard: 43.040.60 Word Count Estimation: 62,678 Date of Issue: 2020 Date of Implementation: 2020-10-01 Issuing agency(ies): Ministry of Housing and Urban-Rural Development of the People's Republic of China; State Administration for Market Regulation GB 51283-2020: Fire protection standard for engineering design of fine chemical enterprise---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 This standard is formulated to standardize the fire protection design of fine chemical enterprises, prevent and reduce fire hazards, and ensure personal and property safety. 1.0.2 This standard applies to the total volume of liquefied hydrocarbon storage tanks in tank farms not exceeding 300m3, the volume of a single tank not exceeding 100m3, the total volume of Class A, B and B liquid storage tanks not exceeding 5000m3, and the volume of a single tank not exceeding Fire protection design for new construction, expansion and reconstruction projects of fine chemical enterprises with a total storage tank volume of no more than 25,000m3, a single tank volume of no more than 5,000m3, a total volume of combustible gas storage tanks of no more than 5,000m3, and a single tank volume of no more than 1,000m3. 1.0.3 The fire protection design of fine chemical enterprise engineering should follow the relevant national guidelines and policies, and on the basis of constantly summarizing production, construction and scientific experiments, adopt new technology, new materials and new equipment to achieve safety, application, advanced technology, and economical rationality. 1.0.4 In addition to implementing this standard, the fire protection design of fine chemical enterprises shall also comply with the current relevant national standards. 2 terms 2.0.1 fine chemical enterprise Use primary or secondary chemicals and biomass materials produced by the basic chemical industry as starting materials for deep processing to produce fine chemical products with specific functions, specific uses, small batches, multiple varieties, high added value, and technology-intensive factory. 2.0.2 production facilities production facilities The process equipment required to complete the production process (product production), including production equipment, workshops, auxiliary equipment and various supporting facilities. 2.0.3 process system A system consisting of process equipment such as reactors, towers, heat exchangers, containers, heat transfer oil furnaces, pumps, pipelines and control instruments. 2.0.4 Overall major facilities In the event of a fire, buildings and facilities such as office, control, laboratory, power transformation and distribution, fire pump room (station), and enterprise fire station that may cause heavy casualties or property losses. 2.0.5 enclosed industrial building With a roof, all or part of the building adopts an evenly distributed enclosure of closed walls (including doors and windows), occupying an area exceeding 1/2 of the surface area of the building's enclosure (excluding the area of the roof) or Productive buildings whose perimeter exceeds 1/2 of the perimeter of the building's outer enclosure, or where functional rooms with partially enclosed enclosures on any floor occupy an area exceeding 1/2 of the floor area. 2.0.6 Semi-enclosed industrial building There is a roof, and evenly distributed closed wall (including doors, windows) enclosure structure is used in part of the building, and the occupied area does not exceed 1/2 of the surface area of the building enclosure (excluding the area of the roof) or all The perimeter does not exceed 1/2 of the perimeter of the building's outer enclosure, or the area occupied by functional rooms with partially enclosed enclosures on any floor does not exceed 1/2 of the floor area and is larger than the floor area 5% of productive buildings. 2.0.7 open industrial building A productive building with a roof, no building envelope or a partial closed envelope on any floor, occupying an area not exceeding 5% of the floor area. 2.0.8 joint building According to the characteristic requirements of craft production, the complex building is arranged adjacent to the functional places such as production, storage, utility and auxiliary. 2.0.9 Workshop storage tanks (groups) storage tanks within production workshop In the normal production process, storage tanks (groups) that do not directly participate in the process, but process requirements, need to be arranged in or on the edge of the production facility in order to balance production, product quality inspection, or one-time input, do not include containers in the process. 2.0.10 Non-electrical equipment non-electrical equipment Equipment that does not contain electrical components and is capable of causing an explosion due to a non-electrical potential ignition source when used in an explosive atmosphere. 2.0.11 protection air lock It is equipped with positive pressure air supply and separated by a fireproof partition wall, which can prevent the spread of fire, buffer the explosion shock wave and limit the use space of explosive substances. 3 Fire Hazard Classification3.0.1 The fire hazard classification of production and storage items shall comply with the provisions of the current national standard "Code for Fire Protection Design of Buildings" GB 50016.The fire hazard classification of liquefied hydrocarbons and flammable liquids shall comply with the provisions of the current national standard GB 50160 "Standards for Fire Prevention in Design of Petrochemical Enterprises". 3.0.2 When different fire hazards are produced or stored in factories or warehouses, the fire hazard categories of factories or warehouses shall be implemented in accordance with the current national standard "Code for Fire Protection Design of Buildings" GB 50016.4 Plant site selection and general layout of the plant4.1 Site selection 4.1.1 The site selection shall comply with the requirements of the local urban and rural overall planning. 4.1.2 The site of the plant shall be reasonably determined according to the characteristics of the enterprise, adjacent enterprises or facilities and the fire hazard category, combined with natural conditions such as wind direction and topography. 4.1.3 The site of the enterprise that emits harmful substances should be located on the upwind side of the annual minimum frequency wind direction in adjacent residential areas or towns, and should not be located in the windy area. Enterprises with higher cleanliness requirements should be located on the windward side of the maximum frequency wind direction or on the downwind side of the minimum frequency wind direction throughout the year when they cannot stay away from areas with severe air pollution. 4.1.4 Regional flood drainage ditches should not pass through the factory production area. 4.1.5 The fire separation distance between fine chemical enterprises and adjacent factories or facilities shall not be less than those specified in Table 4.1.5. Note. 1 Residential areas, villages and towns refer to those with 1,000 people or 300 households or more; the distance between residential areas, villages and towns and public buildings shall comply with the current relevant national standards in addition to complying with this regulation. Note. The transportation roads for raw materials and products should be arranged outside the explosion-hazardous area 4.3.3 The layout of fire lanes in the factory shall meet the following requirements. 1 The setting of fire lanes for high-rise factory buildings, Class A, B and C factory buildings or production facilities, Class B and C warehouses, flammable liquid tank farms, liquefied hydrocarbon tank farms and flammable gas tank farms shall comply with the current national standard "Code for Fire Protection Design of Buildings" The provisions of GB 50016; 2 The width of the main fire vehicle road surface shall not be less than 6m, the clearance height on the road surface shall not be less than 5m, and the turning radius of the inner edge of the road surface shall meet the requirements of the fire vehicle turning radius5 Process system and production facilities5.1 General provisions 5.1.1 The process system design for using or producing Category A and B substances shall meet the following requirements. 1 Airtight equipment should be used; when airtight conditions are not available, effective safety and environmental protection measures should be taken. 2 Nitrogen protection measures should be taken for process systems that are intermittently operated and have flammable and explosive hazards. 5.1.2 When there may be air at the top, the feed pipe of the flammable liquid container or storage tank should be connected from the lower part of the container or storage tank; if it must be connected from the upper part, it should be extended to.200mm from the bottom of the container or storage tank. 5.1.3 For the reaction or storage equipment of water-avoiding substances, safety measures shall be taken to prevent such substances from contacting with water. 5.1.4 When combustible dust (particles) that may be ignited and detonated is conveyed by pneumatic force, the conveying gas shall be nitrogen, inert gas or air filled with these gases, and the oxygen concentration shall be based on the limit oxygen concentration (LOC) of combustible dust (particles).) to determine, and shall comply with the following provisions. 1 For occasions with continuous oxygen concentration monitoring and safety interlock, when the LOC is not less than 5% (volume), the safety margin shall not be less than 2% (volume); when the LOC is less than 5% (volume), the oxygen concentration shall not Greater than 60% of LOC. 2 In the occasion without continuous monitoring of oxygen concentration and safety interlock, when the LOC is not less than 7.5% (volume), the safety margin shall not be less than 4.5% (volume); when the LOC is less than 7.5% (volume), the oxygen concentration shall not be Greater than 40% of the LOC. 5.1.5 When thermal oxidation furnace and other waste gas treatment facilities are used to treat waste gas containing volatile organic compounds, the high temperature interlock protection system of the combustion chamber and the overpressure explosion relief device of the combustion chamber should be installed, and the intake concentration monitoring and high concentration interlocking system should be installed., Exhaust gas pipeline flame arrester and explosion venting device. 5.1.6 It is strictly forbidden to mix and discharge gases that may undergo chemical reactions and form explosive mixtures 5.1.7 The following equipment should be provided with anti-static grounding. 1 Equipment for using or producing combustible gas, liquefied hydrocarbon and combustible liquid; 2 Equipment that uses or produces combustible dust or powder. 5.1.8 In places where combustible dust or powder is processed or handled, metal or other conductive materials should be used for connection and grounding between devices. 5.1.9 Take the connection and grounding measures between the conductors, but still cannot prevent the scattered dust or powder from generating static electricity, a static eliminator should be installed. 5.1.10 Process equipment body (excluding lining) and its foundation, pipeline (excluding lining) and its support, hanger and foundation, and the insulation layer of equipment and pipeline should be made of non-combustible materials. 5.1.11 Unless otherwise specified in this standard, the fire-resistant protection of load-bearing steel structures shall be implemented in accordance with the current national standard "Standards for Fire Protection in Design of Petrochemical Enterprises" GB 50160, and its fire-resistant limit shall still meet the following requirements. 1 The fire resistance rating of steel structures (supports) for supporting equipment in open-air production facilities and steel supports for spherical tanks should not be less than 2.00h; 2 Where the steel frame of the main corridor spans the access to and from the production facility, the fire lane of the tank farm and the fighting site, the fire resistance rating of the column and the bottom joist shall not be lower than 2.00h. 5.2 Reactor 5.2.1 The reaction process with higher risk level should be equipped with an independent safety instrumented system, and its safety integrity level should be determined through risk analysis on the basis of process risk analysis. 5.2.2 For intermittent or semi-batch operated reaction systems, one or more of the following mitigation measures should be taken. 1 emergency cooling; 2 suppression; 3 to quench or water; 4 to pour out; 5 Controlled decompression. 5.3 Pumps, compressors 5.3.1 The layout of combustible gas compressors and the design of their plant shall meet the following requirements. 1 It should be arranged in the open air or in an open or semi-open factory building; above the compressor, except for the self-use high-level lubricating oil tank, no Class A, B, or C process equipment should be arranged. 2 The compressor room should be equipped with louvers to adjust the ventilation, and steel gratings should be used on the floor except for the local maintenance area. The area of the steel gratings may not be included in the building area of the fire compartment; Set up mechanical ventilation facilities. 3 A flammable gas alarm should be installed. 4 Measures shall be taken to prevent combustible gas from accumulating on the ground or on the top of the factory building. 5 Class A combustible gas compressors with a single unit power not less than 150kW should not be arranged in the same building as other Class A, B and C equipment rooms. When they are arranged in the same building due to technical conditions, the intermediate partition wall between the compressor room and other Class A, B, and C equipment rooms shall adopt a firewall without openings for doors and windows. 5.3.2 The arrangement of pumps for liquefied hydrocarbons and combustible liquids shall meet the following requirements. 1 It should be arranged in the open air or in an open or semi-open factory building; 2 The liquefied hydrocarbon pump and the flammable liquid pump whose operating temperature is not lower than the self-ignition point should not be arranged above Category A, B and C process equipment; 1.50h non-combustible material closed floor isolation protection; 3 When Class A, B and C flammable liquid equipment whose operating temperature is lower than the self-ignition point is arranged above the flammable liquid pump whose operating temperature is not lower than the self-ignition point, the closed floor should be a non-leakage floor of non-combustible materials; 4 Liquefied hydrocarbon pumps and flammable liquid pumps whose operating temperature is not lower than the spontaneous ignition point should not be arranged under the pipe rack. 5.3.3 The arrangement of liquefied hydrocarbon pumps and combustible liquid pumps in the pump room shall meet the following requirements. 1 Liquefied hydrocarbon pumps, flammable liquid pumps whose operating temperature is not lower than the autoignition point, and flammable liquid pumps whose operating temperature is lower than the autoignition point shall be respectively arranged in different rooms, and each room shall be separated by a firewall; 2 The broken-line distance between the doors and windows of the flammable liquid pump room whose operating temperature is not lower than the self-ignition point and the doors and windows of AB and B liquid pump rooms or the doors and windows of the liquefied hydrocarbon pump room whose operating temperature is lower than the self-ignition point shall not be less than 4.5m; 3 Above the liquefied hydrocarbon pumps and combustible liquid pump rooms whose operating temperature is not lower than the spontaneous ignition point, it is not suitable to arrange Class A, B, and C process equipment; 4.More than 2 liquefied hydrocarbon pumps should not be arranged in the same room as flammable liquid pumps whose operating temperature is lower than the autoignition point; 5 It is not advisable to set trenches or pits in the pump room for Class A and B liquids, and there should be measures to prevent the accumulation of combustible gas in the pump room. 5.3.4 The compressor that transports combustible gas should be equipped with a remote switch and a remote shut-off valve that control the compressor in an emergency. 5.3.5 Combustible gas compressors, liquefied hydrocarbons and combustible liquid pumps must not be driven by belts. When other rotating equipment must be driven by belts in explosion-hazardous areas, anti-static belts should be used. 5.4 Heat conduction oil furnace 5.4.1 Fuel oil and gas heat transfer oil furnace rooms should be set up independently, and should be arranged on the downwind side of the annual minimum frequency wind direction with combustible gas, liquefied hydrocarbons, and Category A and B equipment. When the technological requirements are arranged adjacent to Category A and B factory buildings, the following regulations shall be met. 1 The heat conduction oil furnace room should be separated by a firewall; 2 The doors, windows and exhaust pipes of the heat transfer oil furnace room shall be located outside the explosion hazard area; 3 A combustible gas alarm should be installed in the gas-fired heat-conducting oil furnace room. 5.4.2 Around the heat transfer oil furnace and its auxiliary heat transfer oil storage tank, heat transfer oil furnace delivery pump and other equipment, measures to prevent the heat transfer oil from overflowing should be set. 5.4.3 An emergency shut-off valve shall be installed where the heat transfer oil pipeline enters the production facility. The heat conduction oil furnace system should be equipped with a safety relief device. 5.4.4 The following protective measures shall be taken for the fuel gas pipeline heated by the heat conduction oil furnace. 1 Set up low-voltage alarm and low-voltage interlock cut-off system; 2 Install a flame arrester between the fuel gas regulating valve and the heat transfer oil furnace. 5.4.5 The heat-conducting oil furnace should meet the current industry standard "Specifications for Heat-conducting Oil Heating Furnace System" SY/T 0524. 5.5 Layout within the production facility 5.5.1 The storage tanks (groups) of Category A, B and C workshops shall be grouped together and arranged on the edge of the production facility, and shall meet the following requirements. 1 The reserves of Class A and Class B materials shall not exceed the demand or output of the production facility 1d, and may... ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 51283-2020_English be delivered?Answer: Upon your order, we will start to translate GB 51283-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 5 ~ 8 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB 51283-2020_English with my colleagues?Answer: Yes. The purchased PDF of GB 51283-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. |
