|
US$1849.00 · In stock
Delivery: <= 10 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB 50229-2019: Standard for design of fire protection for fossil fuel power plants and substations
Status: Valid GB 50229: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 50229-2019 | English | 1849 |
Add to Cart
|
10 days [Need to translate]
|
Standard for design of fire protection for fossil fuel power plants and substations
| Valid |
GB 50229-2019
|
| GB 50229-2006 | English | 85 |
Add to Cart
|
0--9 seconds. Auto-delivery
|
Code for design of fire protection for fossil fuel power plants and substations
| Obsolete |
GB 50229-2006
|
| GB 50229-1996 | English | RFQ |
ASK
|
3 days [Need to translate]
|
Code for fire--protection design power plant and substation
| Obsolete |
GB 50229-1996
|
PDF similar to GB 50229-2019
Basic data | Standard ID | GB 50229-2019 (GB50229-2019) | | Description (Translated English) | Standard for design of fire protection for fossil fuel power plants and substations | | Sector / Industry | National Standard | | Classification of Chinese Standard | P60 | | Classification of International Standard | 27.100 | | Word Count Estimation | 92,955 | | Date of Issue | 2019 | | Date of Implementation | 2019-08-01 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China; State Administration for Market Regulation | GB 50229-2019: Standard for design of fire protection for fossil fuel power plants and substations
---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 ensure the fire safety of thermal power plants and substations, prevent fires or reduce fire hazards, and ensure personal and property safety.
1.0.2 This standard applies to the following newly built, rebuilt and expanded thermal power plants and substations.
1 Coal-fired thermal power plants with units of 1000MW or below (hereinafter referred to as "coal-fired power plants");
2 Simple cycle or gas-steam combined cycle power plants with standard rated gas turbine output of 400MW or below (hereinafter referred to as "gas turbine power plants");
3 Substations and converter stations with a voltage of 1000kV and below.
1.0.3 The fire protection design of thermal power plants and substations should be combined with the specific conditions of the project, and actively adopt new technologies, new processes, new materials and new equipment, so as to be safe and applicable, advanced in technology, and economical and reasonable.
1.0.4 The fire protection design of thermal power plants and substations shall not only comply with this standard, but also comply with the current relevant national standards.
2 terms
2.0.1 main power house
The main factory building of a coal-fired power plant is composed of a steam turbine room, a centralized control building (machine furnace control room), a deaeration room, a coal bunker room, and a boiler room.
The main building of a gas turbine power plant is composed of a gas turbine room, a steam turbine room, a centralized control room, and a waste heat boiler.
2.0.2 central control building
In thermal power plants, it is a workshop for centralized control of two or more units and auxiliary systems. Including centralized control room, electronic equipment room, cable interlayer, battery room, shift room and auxiliary rooms, etc.
2.0.3 main control building electrical control building
The building where the main electrical system is under centralized control in the non-unit control mode in the thermal power plant, and the building where the main electrical system and equipment are under centralized control in the substation. It is generally composed of the main control room, electronic equipment room, cable interlayer, battery room, shift room and auxiliary rooms.
2.0.4 network control building network control building
A building in a thermal power plant that independently controls the power network system or equipment of the booster station. It is generally composed of electronic equipment rooms, battery rooms and auxiliary rooms, and is usually an unattended building.
2.0.5 Network relay room switchgear control building
The building that controls the main electrical equipment of the main switch station and auxiliary switch station in the thermal power plant.
2.0.6 power distribution building
A building that receives, distributes and controls electrical energy in a thermal power plant. Generally, it is composed of indoor power distribution equipment room, high and low voltage power distribution room, etc.
2.0.7 special warehouse
The warehouse for storing lubricating oil and gas cylinders such as hydrogen, oxygen and acetylene.
2.0.8 general warehouse
Warehouses for storing precision instruments, steel and general equipment, including general equipment warehouses, precision equipment warehouses, steel warehouses and auxiliary rooms, etc.
2.0.9 indoor coal yard
Coal storage buildings with closed roofs and outer enclosures, including round coal yards and strip coal yards.
2.0.10 liquid ammonia area
When liquid ammonia is used as denitrification reducing agent, the area for liquid ammonia unloading, storage and preparation of ammonia gas, including power distribution room, ammonia unloading compressor, liquid ammonia storage tank, liquid ammonia evaporator, ammonia buffer tank, ammonia gas dilution Tanks, waste water tanks and waste water delivery pumps, pipelines and valves, etc.
2.0.11 Valve hall
For buildings with converter valves, usually a valve hall is arranged with a converter valve and related equipment for one pole.
3 Fire hazard classification, fire resistance class and fire protection zone of coal-fired power plant buildings (structures)
3 Fire Hazard Classification, Fire Resistance Class and Fire Zoning of Coal-fired Power Plant Buildings (Structures)
3.0.1 The fire hazard of production shall be classified according to the nature and quantity of the substances used or produced in production, and the fire hazard of stored items shall be classified according to the nature of the stored items and the quantity of combustibles in the stored items, and All shall meet the requirements in Table 3.0.1.
3.0.2 The combustion performance and fire resistance rating of the building components of the power plant shall comply with the relevant provisions of the current national standard "Code for Fire Protection Design of Buildings" GB 50016, and the boiler room of the main factory building may use metal load-bearing components without fire protection.
3.0.3 The maximum permissible building area of the above-ground fire compartment of the main factory building shall meet the following requirements.
1 The building area of 600MW and below units shall not be larger than 6 units;
2 The construction area of 600MW and above units and 1000MW units shall not be larger than 4 units;
4.0.8 The layout of the fire station shall meet the following requirements.
1 The fire station should be arranged at a moderate position in the factory area, avoiding the main flow of people, so as to ensure that the fire truck can reach the fire scene conveniently and quickly;
2 The main entrance of the garage of the fire station shall face the road in the factory area, and the distance from the edge of the road in the factory area should not be less than 15.0m.
4.0.9 The distance between the oil-immersed transformer and the turbine room, indoor power distribution equipment building, main control building, centralized control building and network control building shall not be less than 10m; Appropriately reduce.
4.0.10 When the plant area adopts a stepped vertical arrangement, the flammable liquid storage tank area should not be adjacent to and arranged on steps higher than the important facilities or personnel concentration places of the whole plant. If it is really necessary to be adjacent to and arranged on steps higher than the above places, measures should be taken to prevent the spread of fire and the spread of flammable liquids.
4.0.11 The layout of the ignition tank area shall meet the following requirements.
1 shall be arranged separately;
2 A fence wall of 1.8m high shall be set up around the ignition oil tank area; when the fence of the factory area is used as the fence of the ignition oil tank area, the fence wall of this section of the factory area shall be a solid fence wall of 2.5m high;
3 The design of the ignition tank area shall comply with the relevant provisions of the current national standard "Code for Design of Petroleum Storage" GB 50074.
4.0.12 The layout of hydrogen production station and hydrogen supply station shall meet the following requirements.
1 It should be arranged as an independent building (structure);
2 Non-combustible solid walls with a height of not less than 2.5m should be set around the hydrogen production station and hydrogen supply station;
3 The design of hydrogen production station and hydrogen supply station shall comply with the relevant provisions of the current national standard "Code for Design of Hydrogen Station" GB 50177.
4.0.13 The layout of the liquid ammonia area shall meet the following requirements.
1 The liquid ammonia area should be arranged separately at the edge of the factory area with good ventilation conditions, avoiding places where people gather and the main entrances and exits of people, and should be located on the windward side of the annual minimum frequency wind direction of the factory area;
2 The liquid ammonia area shall be provided with a non-combustible solid fence with a height of not less than 2.2m; when the factory fence is used as the fence of the ammonia zone, this section of the fence shall adopt a non-combustible solid fence with a height of not less than 2.5m;
3 Liquid ammonia storage tanks shall be provided with fire dikes, which shall comply with the relevant provisions of the current national standards "Code for Fire Protection of Building Design" GB 50016 and "Code for Design of Fire Dikes for Storage Tank Farms" GB 50351.
4.0.14 The comprehensive layout of pipelines and power lines in the plant area shall comply with the following regulations.
1.Pipelines for Class A, B, and C liquids and combustible gas pipelines should be laid overhead; pipelines laid along the ground or on low supports should not hinder the passage of fire trucks;
2 Class A, B, C liquid pipelines and combustible gas pipelines must not pass through buildings, structures, production devices and storage tank farms that have nothing to do with them;
5.3.14 When the Category C special material warehouse is set up adjacent to the general material warehouse, it shall be separated from the general material warehouse by a fire partition wall with a fire resistance rating of not less than 2.00h and an independent safety exit shall be set.
5.3.15 The fire protection design of interior decoration of various buildings in a thermal power plant shall be implemented in accordance with the current national standard "Code for Fire Protection Design of Building Interior Decoration" GB 50222.
5.3.16 When arranging Class D and Class E places under the coal trestle, the following regulations shall be met.
1 The non-combustible outer wall with a fire resistance rating of not less than 2.00h and the non-combustible roof with a fire resistance rating of not less than 1.00h shall be adopted;
2 The fire-resistant overhanging eaves with a protruding length of not less than 1m and a fire resistance rating of not less than 1.00h shall be set above the opening of the outer wall of the factory building within the horizontal projection range of the coal transport trestle.
5.3.17 When a transformer is arranged under the air-cooled platform, the fire resistance rating of the load-bearing components of the air-cooled platform within the 2m projection range outside the horizontal outline of the transformer shall not be lower than 1.00h; when the air-cooled power distribution room is arranged under the air-cooled platform, the air-cooled power distribution room shall comply with The provisions of paragraph 1 and paragraph 2 of Article 5.3.16 of the standard.
5.3.18 Within the range corresponding to the building of the power plant and the fire engine climbing operation site, stairs directly leading to the outside or entrances directly leading to the stairwell shall be arranged.
5.3.19 The external walls of workshops and warehouses shall be provided with windows at appropriate positions on each floor for fire and rescue personnel to enter, and each fire compartment shall not be less than 2, and the installed positions shall correspond to the fire truck operating site.
5.3.20 The clear height and clear width of the window for firefighters to enter should not be less than 1.0m, and the distance between the lower edge and the indoor ground should not be greater than 1.2m. The glass of the window should be easy to break, and should be provided with obvious signs that are easy to identify outdoors.
6 Coal-fired power plant process system
6.1 Coal transportation system
6.1.1 Different types of coal should be stacked in different categories, and a distance of not less than 10m should be left between the bottom edges of adjacent coal piles.
6.1.2 Coal yards that store coal that is prone to spontaneous combustion shall meet the following requirements.
1 When the cantilever bucket wheel stacker-reclaimer is used, the recovery rate should not be lower than 70%, and the layout of the coal yard and the selection of coal yard machinery should provide conditions for coal-fired first-in-first-out;
2 The coal storage yard should be turned over regularly, and the turning over period should be determined according to the type of coal fired;
3 The strip coal piles should be compacted in layers;
4.The indoor strip coal yard should have the conditions for handling spontaneous combustion coal;
5 Water spray cooling facilities for coal piles shall be installed;
6 Ventilation measures shall be taken for indoor coal storage yards.
6.1.3 The silos for storing coals prone to spontaneous combustion shall meet the following requirements.
1 It is not advisable to set up the silo bypass system;
2 The first-in first-out type should be adopted; when the first-in first-out cannot be realized, regular clearance measures should be set;
3.Explosion-proof, temperature monitoring, flue gas monitoring and combustible gas concentration monitoring devices should be installed;
4 When storing lignite with a coal consumption of 7 days or more, inerting protection measures should be taken;
5 When storing bituminous coal with a coal consumption of 10 days and above that is prone to spontaneous combustion, inerting protection measures should be taken.
6.1.4 Anti-scattering and anti-coal accumulation measures should be taken when designing coal hoppers and coal drop pipes.
6.1.5 The dust-proof sealing strips of the conveyor belt and guide trough used to transport coals that are prone to spontaneous combustion should be flame-retardant. The linings of coal unloading devices, silos, concrete or metal coal hoppers, coal drop pipes, etc. shall be made of non-combustible materials.
6.1.6 For power plants that use coal that is prone to spontaneous combustion, an open flame coal monitoring device should be installed on the first belt conveyor that takes coal from the coal storage facility. When an open fire is detected, there should be measures to prohibit the open fire from entering the subsequent coal transportation system.
6.2 Boiler Pulverized Coal System
6.2.1 The design of the raw coal bunker shall meet the following requirements.
1 The inner surface of the raw coal bunker should be flat, smooth, wear-resistant and free of coal accumulation, and the geometric shape and structure should enable the coal to flow smoothly; the top of the raw coal bunker should eliminate dead space, and the upper part should be equipped with an exhaust device; the raw coal bunker should adopt non-combustible material production;
2 The section shrinkage ratio of the exit section of the cylindrical raw coal scuttle should not be less than 0.7, the diameter of the lower opening should not be less than 600mm, the intersection angle between the wall surface of the exit section of the raw coal scuttle and the horizontal plane should not be less than 60°, and for circulating fluidized bed boilers, it should not be less than 70°; For raw coal hoppers with a non-cylindrical structure, the angle between the intersection line of two adjacent walls and the horizontal plane shall not be less than 55°, and the angle between the wall surface and the horizontal plane shall not be less than 60°; For lignite, the angle between the intersection line of two adjacent walls and the horizontal plane shall not be less than 65°, and the angle between the wall surface and the horizontal plane shall not be less than 70°; for the non-cylindrical raw coal hopper of a circulating fluidized bed boiler, the intersection line between two adjacent walls and the horizontal plane shall not be less than 70°; The intersection angle of the horizontal plane should not be less than 70°; the inner side of the intersection angle of two adjacent walls should be arc-shaped, and the radius of the arc should not be less than.200mm;
3 Close to the outer wall of the factory building in the severe cold area...
|