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Hazardous Chemical Storage Specification-Explosion-proof Cabinet
SYSBEL 2021-07-28
Chemicals have hazardous properties such as toxicity, flammability, corrosiveness, and reactivity, which may cause serious accidents during operation, storage, transportation, and disposal. In order to strengthen the storage management of hazardous chemicals and reduce the probability of accidents during the storage process, strict requirements must be imposed on the design of chemical warehouses.

Reference Standard
"Detailed Rules for the Implementation of the Regulations on the Safety Management of Chemical Hazardous Materials"
"Regulations on the Safety Management of Chemical Hazardous Materials"
"General Rules for the Storage of Commonly Used Chemical Dangerous Goods"
"Warehouse Fire Safety Management Rules"
"Architectural design code for fire protection"
"Administrative Measures on Hazardous Chemicals"

Terms and definitions:
1. The concept of hazardous chemicals refers to the explosives, compressed gases and liquefied gases, flammable liquids, flammable solids, spontaneously combustibles and flammables when wet, oxidants and organic substances listed in the national standard "List of Dangerous Chemicals" Peroxides, toxic and corrosive products, as well as the "Catalogue of Highly Toxic Chemicals" determined and announced by the state and other hazardous chemicals not included in the "List of Hazardous Chemicals" but recognized by the state.
Category 1: Explosives;
Category 2: compressed gas and liquefied gas;
Category 3: Flammable liquids;
Category 4: Flammable solids, spontaneously combustible materials and flammable materials when wet;
Category 5: oxidants and organic peroxides;
Category 6: Toxic and infectious substances;
Category 7: Radioactive materials;
Category 8: Corrosive products;
Category 9: Miscellaneous.
2. Class A fire hazards include:
(1) Liquids with a flash point of less than 28℃;
(2) Gas whose lower explosion limit is less than 10%;
(3) Substances that can decompose by themselves at room temperature or oxidize in the air that can cause rapid spontaneous combustion or explosion;
(4) Substances that can produce combustible gas and cause combustion or explosion under the action of water or water vapor in the air at room temperature;
(5) Strong oxidants that can easily cause combustion or explosion when exposed to acid, heat, impact, friction, catalyzation, and flammable inorganic substances such as organic matter or sulfur;
(6) Substances that can cause combustion or explosion when subjected to impact, friction, or contact with oxidants or organic matter.

3. Fire classification: Fires can be classified into six categories: A, B, C, D, E, and F according to the burning characteristics of substances:
(1) Category A fires refer to solid material fires. Such as burning fires of wood, cotton, wool, linen, paper and their products;
(2) Class B fire refers to liquid fire or meltable solid material fire. Such as gasoline, kerosene, diesel, crude oil, methanol, ethanol, asphalt, paraffin and other burning fires;
(3) Category C fire refers to gas fire. Fires such as the burning of coal gas, natural gas, methane, ethane, propane, and hydrogen;
(4) Class D fire refers to metal fire. Such as potassium, sodium, magnesium, titanium, zirconium, lithium, aluminum-magnesium alloys and other burning fires;
(5) Class E (live) fire refers to the fire of live objects. Such as generator room, transformer room, power distribution room, instrument room, electronic computer room and other electrical equipment that cannot be cut off in time or unsuitable for burning.
Class E fire is a special concept for the design of building fire extinguishers. It mainly refers to fires that are still live while burning, such as generators, transformers, switchboards, switch boxes, instruments and electronic computers, and must be fired with fire extinguishers that can meet the requirements of electrical insulation performance. put out. For those ordinary construction sites that only have conventional lighting circuits and ordinary lighting fixtures and do not have the above-mentioned electrical equipment, fire extinguishers may not be equipped according to the provisions of Class E fire;
(6) Class F fire refers to the fire of cooking objects (such as animal and vegetable oils) in cooking appliances.

SYSBEL is a world-leading professional provider and manufacturer of hazardous chemicals industrial equipment safety satorage cabinets, long-term commitment to the production of Flammable Liquid Cabinets, Corrosive Cabinets, PP Corrosive Substance Storage Cabinets, Toxic Cabinets, Emergency Equipment Cabinet, Oily Waste Cans, Poly Spill Pallets, Industrial Wipes, Absorbent Cotton, Eye Wash Station and other laboratory furniture. It is the first company in China to obtain the US “FM” certification and Germany “TUV” certification. Its products are exported to more than 60 countries and regions around the world and are widely used in petrochemical, industrial manufacturing, university laboratories, food industry, automobile manufacturing, new energy and other industries.




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