GB 50414-2018 English PDFUS$1899.00 · In stock
Delivery: <= 10 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 50414-2018: Standard for fire protection design of iron and steel metallurgy enterprises Status: Valid GB 50414: Historical versions
Basic dataStandard ID: GB 50414-2018 (GB50414-2018)Description (Translated English): Standard for fire protection design of iron and steel metallurgy enterprises Sector / Industry: National Standard Classification of Chinese Standard: P73 Classification of International Standard: 77.010 Word Count Estimation: 158,163 Date of Issue: 2018-11-01 Date of Implementation: 2019-04-01 Older Standard (superseded by this standard): GB 50414-2007 Quoted Standard: GB 50016; GB 50019; GB 50028; GB 50029; GB 50041; GB 50057; GB 50058; GB 50074; GB 50116; GB 50140; GB 50151; GB 50160; GB 50193; GB 50219; GB 50229; GB/T 50293; GB 50347; GB 50370; GB 50736; GB 50898; GB 50974; GB 12710; GB 16423; GB/T 16618 Regulation (derived from): Ministry of Housing and Urban-Rural Development Announcement 2018 No. 252 Issuing agency(ies): Ministry of Housing and Urban-Rural Development of the People's Republic of China; State Administration for Market Regulation Summary: This standard applies to the fire protection design of new, expanded and rebuilt projects of steel metallurgical enterprises. It is not applicable to places where steel metallurgical enterprises process, store, distribute, use explosives or blasting equipment. GB 50414-2018: Standard for fire protection design of iron and steel metallurgy enterprises---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 in order to prevent and reduce fire hazards in iron and steel metallurgical enterprises and protect personal and property safety. 1.0.2 This standard is applicable to the fire protection design of new construction, expansion and reconstruction projects of iron and steel metallurgical enterprises, and not applicable to the places where explosives or blasting equipment are processed, stored, distributed, and used in iron and steel metallurgical enterprises. 1.0.3 The fire protection design of iron and steel metallurgical enterprises should be combined with engineering reality, and actively adopt new technologies, new processes, new materials and new equipment, so as to be safe, applicable, advanced in technology, and economical and reasonable. 1.0.4 Iron and steel metallurgical enterprises in two or more process plant areas should unify fire protection planning and fire protection design. 1.0.5 The fire protection design of iron and steel metallurgical enterprises shall not only comply with the provisions of this standard, but also comply with the relevant current national standards. 2 terms 2.0.1 main workshop Plants containing main production process equipment, such as steelmaking main plant, hot rolling main plant, etc. 2.0.2 process plant Relatively independent production unit areas, such as steelmaking plants, self-owned power plants, etc. 2.0.3 main electrical room Set up buildings that serve the main motor of the rolling mill, converter devices, power transformation (distribution) equipment, automatic control equipment, etc. in the steel rolling system. 2.0.4 main control building (room) main control building Set up buildings that serve automatic control equipment, power transformation (distribution) equipment, etc. for production other than steel rolling systems. 2.0.5 general step-down transformer substa-tion It is set up separately, receives power from the power system externally, and supplies and distributes power to the whole plant after the voltage is reduced by the transformer. 2.0.6 cable tunnel cable tunnel It is a fully enclosed underground structure for laying cables and has passages for installation and inspection. 2.0.7 cable corridor cable corridor It is a fully enclosed above-ground building (structure) made of non-combustible or flammable materials, which is used for laying cables and has passages for installation and inspection. 2.0.8 Nitrate chamber An independent space excavated for each production part in an underground mine. 3 Fire Hazard Classification, Fire Resistance Class and Fire Zoning 3.0.1 The fire hazard classification of buildings (structures) shall comply with the provisions in Table 3.0.1. Those not specified in the table shall comply with the relevant provisions of the current national standard "Code for Fire Protection Design of Buildings" GB 50016. Table 3.0.1 Fire Hazard Classification of Buildings (Structures) Continued Table 3.0.1 3.0.2 For the buildings with the following secondary fire resistance grades during production or when a fire occurs, the metal load-bearing components whose surface heat radiation temperature is lower than.200°C may not take fire protection and heat insulation measures, and the parts directly affected by the flame or the heat radiation temperature is higher than For parts at.200°C, non-combustible materials or other fire and heat insulation protection measures should be taken. 1 Single-storey Category C factory building with automatic fire extinguishing system; 2 Class D and E factory buildings. 3.0.3 The underground hydraulic station and underground lubricating oil station (storage) should adopt reinforced concrete structure or brick-concrete structure, and its fire resistance rating should not be lower than Class II. 3.0.4 When steel structures are used in dry coal sheds or indoor coal storage yards, effective fire protection measures with a fire resistance rating of not less than 1.00h shall be adopted for steel structure load-bearing members within 1.5m outside the designed maximum coal pile outline. 3.0.5 The maximum allowable building area of fire compartments of buildings (structures) shall comply with the following regulations. 1 The underground lubricating oil station and hydraulic station shall not be larger than 500㎡, and when an automatic fire extinguishing system is installed, it can be expanded by 1.0 times; 2 When the main workshop complies with the provisions of Article 3.0.2 and Article 3.0.8 of this standard, the area of its fire compartment is not limited; 3 The fire compartment of the coal pit shall not be larger than 3000㎡; 4 The maximum permissible building area of the fire compartment of other buildings shall comply with the relevant provisions of the current national standard "Code for Fire Protection Design of Buildings" GB 50016. 3.0.6 Iron-making blast furnaces and pulverized coal preparation, steel-making converter and electric furnace areas, steel-rolling galvanizing and continuous annealing unit areas, and gas generator main workshops in iron and steel metallurgical enterprises. The workshops are single-story and not higher than 24m, but the local operating platform, chimney, equipment, etc. are higher than 24m, and the fire protection design can be determined as a single layer. 3.0.7 The building area and fire compartment area of the closed coal storage yard should not exceed 12000㎡. When the area exceeds 12000㎡, measures should be taken according to the following requirements. 1 The coal shall be placed in separate piles, the distance between the bottom of the coal pile shall not be less than 10m or a partition wall of not less than 2m shall be set between the coal piles; 2 Fire extinguishing facilities of fire monitors shall be provided. 3.0.8 The auxiliary production rooms of Category A, B and C installed in the main factory buildings of Category D and E shall be divided into separate fire compartments, and non-combustible walls with a fire resistance rating of not less than 3.00h and non-combustible walls with a fire resistance rating of 1.50h shall be adopted. The floor is separated from other parts. 4 general layout4.1 General provisions 4.1.1 When planning the factory area, fire protection planning should be carried out at the same time, and should be based on the characteristics and fire hazards of the enterprise and its adjacent buildings (structures), factories or facilities, combined with terrain, wind direction, traffic, water sources and other conditions, reasonably arranged. 4.1.2 The workshops that store or use Class A, B, and C liquids, flammable gases, and produce a large amount of smoke, dust, and toxic and harmful gases during the production process should be arranged on the edge of the factory area or in the main production workshops and staff living areas. The wind is on the windward side. 4.1.3 The plane layout of the mine factory area should meet the following requirements. 1 The wellhead of underground mines and the level of ketone must be placed in a safe zone; 2 When the hoisting shaft of an underground mine is used as a safety exit, the ground at the wellhead shall be level and accessible; 3 No inflammable and explosive storage yards and warehouses shall be arranged within.200.0m around the wellhead of underground mines, and no processes with open flames or sparks such as forging and riveting shall be arranged within 20.0m from the wellhead; 4.Timber yards, soil dumps and slag yards with the risk of spontaneous combustion fires should be arranged on the windward side of the air inlet wellhead in the perennial minimum frequency wind direction, and the distance from the air inlet wellhead should not be less than 80.0m; 5 The distance between Category E buildings (structures) and mine shafts and air inlet shafts shall not be less than 15.0m. 4.1.4 When the corridor of the belt conveyor and the high-voltage line are arranged alternately or in parallel, the distance shall comply with the relevant provisions of the current national standard "Code for Urban Power Planning" GB/T 50293. 4.1.5 The greening of the factory area shall comply with the following regulations. 1 For the greening of workshops, warehouses, storage tank farms, and storage yards that produce or store Class A, B, and C articles, fire-resistant tree species or evergreen tree species with high water content and less oil and wax should be selected; 2 Greening is not suitable for the fire embankment of the flammable liquid storage tank (area). When greening is necessary, evergreen turf with a growth height of no more than 150mm and high water content should be planted; 3 The greening of the factory area should not hinder the fire protection operation, and trees, shrubs, flowers and hedges should not be planted within 1.0m around the outdoor fire hydrants and water pump couplers; 4 Greening is strictly prohibited inside the fire embankment of the liquefied hydrocarbon storage tank. 4.2.13 The fire separation distance of self-provided power plants and substations (distribution) shall comply with the relevant provisions of the current national standard "Code for Fire Protection Design of Thermal Power Plants and Substations" GB 50229. 4.3 Pipeline layout 4.3.1 For the plant-wide comprehensive pipe gallery where Class A, B, and C liquid pipelines and combustible gas pipelines are laid, it is advisable to avoid production, storage and loading and unloading facilities with high fire hazards and strong corrosion, as well as places with open flame operations. 4.3.2 Class A, B, C liquid pipelines and combustible gas pipelines must not pass through irrelevant buildings (structures), production devices and storage tank farms, etc. 4.3.3 Pipelines for blast furnace gas, producer gas, converter gas and ferroalloy electric furnace gas should not be laid underground 4.3.4 Oxygen pipelines should not be laid in the same ditch with fuel oil pipelines, corrosive medium pipelines, cables and wires, and power cables should not be laid in the same ditch with flammable and combustion-supporting gas and fuel oil pipelines 4.3.5 Fuel oil pipelines and combustible and combustion-supporting gas pipelines should be laid overhead. When it is difficult to lay overhead, they can be laid in trenches and should meet the following requirements. 1 Fuel oil pipelines and combustible and combustion-supporting gases should be laid independently, and can be laid together with non-combustible gas and water pipelines (except for fire-fighting water supply pipelines) in the trench covered by non-combustible gases; 2 Fuel oil pipelines and combustible and combustion-supporting gas pipelines can be laid in the same trench as combustible gas pipelines with the same purpose, but the trench should be filled with fine sand and must not communicate with other trenches; 3 When the pipelines for other purposes cross the trench, the part passing through the trench shall be protected by a sleeve, and the length of the sleeve protruding from the two walls of the trench shall be greater than.200mm; 4 Measures shall be taken to prevent the sewage containing liquids of Classes A, B and C from being discharged out of the ditch. 4.3.6 The setting of overhead power lines shall comply with the following regulations. 1.Overhead power lines shall not cross explosive hazardous places. When crossing non-explosive hazardous places, the clearance height from the ground shall meet the requirements for vehicle passage and safe operation of operating equipment; 2 The shortest horizontal distance between Class A factory (warehouse) rooms, stacking of flammable materials, Class A and B liquid storage tanks, liquefied petroleum gas storage tanks, flammable and combustion-supporting gas storage tanks and overhead power lines should not be less than the pole (tower) 1.5 times the height; Class C liquid storage tanks should not be less than 1.2 times. Overhead power lines above 35kV and single tank capacity greater than.200m 3 The distance between overhead power lines and overhead gas pipelines shall meet the requirements in Table 4.3.6. Table 4.3.6 Distance between overhead power lines and overhead gas pipelines 4.3.7 The distance between thermal pipelines and Class A, B, C liquid pipelines and combustible and combustion-supporting gas pipelines shall comply with the relevant provisions of the current national standards "Code for Design of Boiler Houses" GB 50041 and "Code for Design of Compressed Air Stations" GB 50029.5 safe evacuation and building construction5.1 Safe evacuation 5.1.1 The safe evacuation of factories, warehouses, office buildings, canteens and other buildings shall comply with the relevant provisions of the current national standard "Code for Fire Protection Design of Buildings" GB 50016. 6.1.3 When mine shafts, roadways and chambers need to be supported, concrete bolts, anchor nets and steel supports should be used. When timber supports are used, fire protection measures shall be taken for the timber support section. 6.1.4 The barreled oil depot in the well shall be arranged 15.0m away from the parking lot at the bottom of the well, and its reserves shall not exceed the requirement for one day and night. Class A fire doors shall be installed at the connection between the underground oil depot and the main transportation channel, and shall not share a room with combustible materials. 6.1.5 For mines prone to spontaneous combustion, the mining process shall meet the following requirements. 1 Regression mining must be adopted, and yellow mud grouting or filling mining method should be adopted; 2.Press-in ventilation must be adopted; 3.It is necessary to set up special cooling water pipes and additional cooling fans for mining; 4 The abandoned tunnels leading to the goaf should be sealed in time. 6.1.6 The beneficiation and roasting plant shall meet the following requirements. 1 A fixed carbon monoxide monitoring and alarm device should be installed near the feed inlet of the roasting shaft furnace and the discharge outlets on both sides; 2 For the belt conveyor conveying the roasted products after cooling, when the roasted products are higher than 80°C and lower than 150°C, heat-resistant conveyor belts should be used; when the roasted products are higher than 150°C and lower than.200°C, resistant burning conveyor belt; 3 The exhaust gas pipeline of the reduction kiln should be equipped with an online flue gas component analysis device and a carbon monoxide over-limit alarm device, and the electrostatic precipitator should be equipped with an explosion-proof device 6.2 Comprehensive raw material yard 6.2.1 The belt conveyor system shall meet the following requirements. 1 A safety exit shall be provided at the place where the belt conveyor underground corridor exits the ground; 2 The corridor of the belt conveyor shall be made of non-combustible materials; 3 The belt conveyor should be equipped with facilities such as anti-slip, anti-deviation, anti-blocking and emergency shutdown. When the power of the motor is greater than 55kW, a speed detection device should be installed; 4 The funnel chute should adopt a closed structure, and it is convenient to clean up the spilled materials. The inclination angle should adapt to the characteristics of the material, and should not be less than 50°; It is a non-combustible material or a flame retardant material. 6.2.2 Coal storage facilities and coal transportation system shall meet the following requirements. 1 The coal piles in the coal storage yard shall be stacked according to the types of coal. When there is no partition wall between adjacent coal piles, the distance between the bottom edges of adjacent coal piles shall not be less than 2.0m; 2 The unloading device of the coal transportation system, the broken frozen block room, the coal storage and blending tank, each transfer station and the coal coke sample preparation room should be equipped with natural ventilation devices, and the coal pulverizer room should be equipped with mechanical dust removal devices; 6.3.6 The coke oven gas pipeline in the basement shall be equipped with an explosion relief device or a gas low-pressure automatic nitrogen filling protection facility at the end. When an explosion relief device is installed at the end of the gas main pipe, a pipeline for directing the pressure relief gas to the outdoors shall be provided. 6.3.7 Gas purification and refining of chemical products shall meet the following requirements. 1 The process equipment, pumps and tanks should be arranged in the open air, or in open or semi-open buildings (structures); 2 For equipment and pipelines in Class A and Class B fire-hazardous production sites, the heat insulation materials shall be non-combustible or flame-retardant materials, and measures shall be taken to prevent combustibles from penetrating into the heat-insulation layer; 3 Locomotives entering the Class A liquid tank area should adopt safe internal combustion... ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 50414-2018_English be delivered?Answer: Upon your order, we will start to translate GB 50414-2018_English as soon as possible, and keep you informed of the progress. 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