GB 50694-2011Code for design of fire protection and prevention of alcoholic beverages factory (English PDF)

1.0.1 This Code is formulated to prevent fires in alcoholic beverages factory, reduce

fire hazards, protect personal and property safety.

1.0.2 This Code applies to the fire protection design of new construction, reconstruction, expansion projects of alcoholic beverages factory and edible alcohol factories such as Chinese spirits, wine, brandy, rice wine, beer, etc. It is not suitable for the fire protection design of natural cave wine warehouses in alcoholic beverages factory.

1.0.3 The fire protection design of alcoholic beverages factory shall follow the relevant national policies and guidelines, be safe, reliable, technologically advanced, economically reasonable.

1.0.4 In addition to the provisions of this Code, the fire protection design of alcoholic beverages factory shall also comply with the provisions of the current relevant national standards.

2.0.1 Alcoholic beverages factory

A factory that produces alcoholic beverages. It includes factories producing various types of alcoholic beverages such as Chinese spirits, wine, brandy, rice wine, beer, mainly including raw material warehouse, raw material crushing workshop, winemaking workshop, wine warehouse, blending workshop, filling and packaging workshop, finished product warehouse and other production and storage facilities.

2.0.2 Alcohol percentage

The volume percentage of ethanol in alcoholic beverages.

2.0.3 Alcoholic beverages warehouse

An indoor place where beverages are stored in containers such as pottery jars, oak barrels or metal storage tanks.

2.0.4 Man-made cave Chinese spirits depot

3.0.3 Unless otherwise specified in this Code, the fire resistance level, allowable

number of floors and maximum allowable building area of each fire compartment of the factory building and warehouse shall comply with the relevant provisions of the current national standard "Code for fire protection design of buildings" GB 50016.

3.0.4 The production rooms for blending, filling, packaging, temporary storage of finished products, etc. in the joint factory building for the production of Chinese spirits and brandy shall be separated from other parts by fire separation measures; when the process conditions permit, they shall be separated by fire walls. When an automatic fire extinguishing system and an automatic fire alarm system are installed in the production joint plant, the maximum allowable building area of each fire compartment can be increased to 2.5 times the area specified in the current national standard "Code for fire protection design of buildings" GB 50016.

4.1 General requirements

4.1.1 The site selection of the alcoholic beverages factory shall comply with the requirements of urban and rural planning; it should be located at the edge of the planning area or in a relatively independent safe area. The alcoholic beverages factory shall reasonably determine the layout of different functional areas and set up fire trucks and fire water sources, according to its production process, fire hazard and functional requirements, combined with terrain, meteorological and other conditions.

4.1.2 The Chinese spirits storage tank farm and edible alcohol storage tank farm should be located in a relatively independent safe area of the factory area; it should be located on the upwind side of the factory area's minimum frequency wind direction throughout the year. The site of the man-made cave Chinese spirits depot shall have good geological conditions; it shall not be selected in areas with geological disaster risks.

4.1.3 Chinese spirits warehouse, man-made cave Chinese spirits depot, edible alcohol

warehouse, Chinese spirits tank farm, edible alcohol storage tank farm, brandy aging warehouse shall be arranged separately from other production areas and office, scientific research, living areas.

4.1.4 Except for man-made cave Chinese spirits depot and wine aging warehouse, other category A and category B production and storage places of the alcoholic beverages factory shall not be set up underground or semi-underground.

4.1.5 It is strictly prohibited to set up employee dormitories in the factory building;

meanwhile it shall comply with the following provisions.

1 Offices, lounges and other rooms shall not be set up in category A and category B factory buildings. When it must be built adjacent to the factory building, its fire resistance level shall not be lower than Level 2; it shall be separated by a non-combustible explosion-proof wall with a fire resistance limit of not less than 3.00 h; an independent safety exit shall be set up.

2 The offices and rest rooms set up in category C factory buildings shall be separated from the factory buildings by non-combustible walls with a fire resistance of not less than 2.50 h and floors with a fire resistance of not less than 1.00 h; at least one independent safety exit shall be set up. When doors and windows are required on the partition walls, category B fireproof doors and windows shall be used.

4.1.6 It is strictly prohibited to set up employee dormitories in warehouses;

meanwhile it shall comply with the following provisions.

1 It is strictly prohibited to set up offices, rest rooms and other rooms in category A and B warehouses; meanwhile they shall not be built adjacent to category A and B warehouses.

2 The offices, rest rooms, management rooms set up in category C and category D warehouses shall be separated from the warehouses, by non-combustible walls with a fire resistance of not less than 2.50 h and floors with a fire resistance of not less than 1.00 h; independent safety exits shall be set up. If doors and windows are required on the partition walls, category B fireproof doors and windows shall be used.

4.1.7 The filling workshop of Chinese spirits and brandy shall comply with the following provisions.

1 It shall be separated from the blending workshop, bottle washing workshop, packaging workshop by a non-combustible partition wall, which has a fire resistance limit of not less than 3.00 h.

2 A passage with a width of not less than 3 m shall be left between each production line.

3 The capacity of the finished wine filling tanks installed on each production line shall not be greater than 3 m3.

4 When the single tank capacity of the finished wine filling tanks of each production line is greater than 3 m3 but less than or equal to 20 m3, meanwhile the total capacity is less than or equal to 100 m3, the filling tanks can be set on the first or second floor of the building near the outer wall; it shall be separated from the filling workshop, blending workshop, packaging workshop, bottle washing workshop, etc.

by a non-combustible partition wall with a fire resistance limit of not less than 3.00 h and a floor slab with a fire resistance of not less than 1.50 h; an independent safety exit shall be set at the location where the filling tanks are set.

5.0.3 Open grain chutes (troughs) and other equipment shall not be used in factories

and warehouses. Mechanical equipment with dust explosion hazards should be installed near the outer wall of single-story buildings or near the outer wall of the top floor of multi-story buildings.

5.0.4 When transporting raw materials with dust explosion hazards, the mechanical

conveying equipment shall comply with the following requirements.

1 Belt conveyors, screw conveyors, bucket elevators and other conveying equipment shall be equipped with magnetic separation devices and other cleaning devices at appropriate locations; fire and explosion-proof valves shall be installed at appropriate locations before the conveying equipment enters the silo.

2 Bucket elevators shall be installed in a separate working tower or outside the silo.

A negative pressure extraction dust removal system shall be separately installed at the entrance of the elevator. The outer shell, head, base and connecting chute of the elevator shall have good sealing performance. An explosion vent shall be installed on the vertical section of the shell; a material cleaning port shall be installed at the base; an inspection port shall be installed at the head. The elevator shall be equipped with speed monitoring, fault alarm and shutdown devices.

3 The entire body of the screw conveyor shall be encapsulated by metal materials and shall have good sealing performance. Measures shall be taken to prevent blockage at the discharge port; a blockage shutdown device shall be installed.

4 The belt conveyor shall be equipped with wire protection, conveyor belt slip detection, anti-deviation devices. Flame-retardant conveyor belts must be used and metal buckles must not be used for connection. Suction ports shall be installed at the feed and discharge ports of the equipment.

5 The conveyor trestle shall be made of non-combustible materials.

5.0.5 When conveying raw materials with dust explosion hazard, the air conveying

equipment shall comply with the following provisions.

1 When conveying raw materials from multiple different feeding points to one unloading point, a vacuum conveying system shall be used; the unloader shall have good sealing performance.

2 When conveying raw materials from one feeding point to multiple different unloading points, a pressure conveying system may be used; the feeder shall have good sealing performance.

3 When multiple air conveying systems are connected in parallel, each system shall be equipped with a stop valve. The air conveying systems between different silos shall not be interconnected. If they really need to be connected, a stop valve shall be installed.

5.0.6 Raw material cleaning, crushing, koji making equipment shall have good sealing

performance; the internal components shall be firmly connected. Raw material crushing equipment shall be equipped with inspection holes and cleaning holes that are easy to operate. Non-productive electrical equipment should not be installed in the raw material crushing workshop.

5.0.7 Raw material cooking equipment should be made of non-combustible materials;

steam heating should be used for cooking. When using wooden retort barrels, open flame heating should not be used.

5.0.8 Distillation shall comply with the following provisions.

1 Distillation equipment should be made of non-combustible materials.

2 Distillation should be heated by steam; safety protection measures shall be taken when open flame heating is used. In workshops using earthen pots to steam wine, the earthen pot fire door and coal storage area must be located outside the workshop.

3 Distillation equipment and its pipelines, accessories, etc. shall have good sealing performance.

4 When using tower distillation equipment to produce alcohol, an alcohol collector shall be installed in the aldehyde discharge system of each tower; it shall have sufficient volume. The outlet of the aldehyde discharge pipe should be connected to the outdoors, meanwhile valves should not be installed.

5 The capacity of the transfer tank in the winemaking workshop shall not exceed twice the daily output of the workshop; the storage time should not exceed 24 h.

5.0.9 Chinese spirits storage tanks, edible alcohol storage tanks, brandy aging storage

tanks shall comply with the following provisions.

1 The inlet and outlet wine pipes must be fixed and shall be connected flexibly. The height of the wine pipe inlet from the bottom of the storage tank should not be greater than 0.15 m; if there are difficulties, the outlet elevation of the wine pipe shall be greater than the inlet elevation, the height difference shall not be less than 0.1 m.

2 At least two valves shall be installed on each wine pipe. The valves shall be quick-opening valves with good sealing performance; leak-proof devices shall be installed at the quick interface.

3 The storage tank shall be equipped with a liquid level gauge and a high liquid level alarm device. If necessary, an automatic interlocking opening and closing liquid inlet device or a remote opening and closing device can be installed. The storage tank should not use a glass tube (plate) or other fragile material liquid level gauge.

4 The capacity of the emergency storage tank shall not be less than the capacity of the single largest storage tank in the warehouse.

5 Wine samplers, tank covers, on-site tools are strictly prohibited from being made of materials that are prone to sparks due to collision.

5.0.10 The pulping, blending, filling production process of Chinese spirits and brandy shall comply with the following provisions.

1 When pulping and blending, it is strictly forbidden to use pure oxygen mixing process. Compressed air can be used as the mixing medium, but the pulping and blending work place shall have good ventilation; a negative pressure exhaust system shall be used when necessary.

2 The wine vapor discharged from the filling port of the vacuum filler shall be recovered by a negative pressure exhaust system and shall be directly discharged to the outside.

3 The capping machine shall use a buffered flexible capping mechanism.

5.0.11 Categories A and B production and storage places shall use non-sparking

floors. When using insulating materials as the overall surface layer, anti-static measures shall be taken. The inner surface of grain warehouses and raw material crushing workshops shall be flat, smooth, easy to clean.

5.0.12 When fermentation is performed with fermented lees, sorghum wine, etc. instead

of brewing water, the height of the wine delivery pipe inlet of the fermentation tank from the bottom of the raw material nest in the tank shall not be greater than 0.15 m.

When the rice wine decoction equipment uses a thin plate heat exchanger, the wine vapor above the wine barrel shall flow back into the preheating section of the thin plate heat exchanger; a recovery device shall be installed at the wine sweat outlet; its pipeline shall have good sealing performance.

5.0.13 The ammonia refrigeration system shall be equipped with safety protection devices and shall comply with the following provisions.

1 The ammonia compressor shall be equipped with an emergency stop button on the unit control console.

2 The ammonia pump shall be equipped with an automatic pump stop device when the liquid is cut off; a pressure gauge and a check valve shall be installed on the discharge pipe; a bypass pressure relief valve shall be installed on the discharge main pipe.

3 The low-pressure circulating liquid storage tank, ammonia liquid separator, intercooler shall be equipped with an over-high liquid level alarm device and a normal liquid level automatic control device; the low-pressure liquid storage tank shall be equipped with an over-high liquid level alarm device.

4 Pressure vessels (equipment) shall be equipped with safety valves according to product standards; safety valves shall be equipped with pressure relief pipes; the outlet of the pressure relief pipes shall be 5 m higher than the roof of the highest building within 50 m.

5 Emergency ammonia release devices shall be installed.

6 Pipes shall be made of seamless steel pipes; their quality shall meet the requirements of the current national standard "Seamless steel pipes for liquid service" GB 8163.The material shall be selected according to the minimum working temperature in the pipe; the design pressure shall be 2.5 MPa (gauge pressure).