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The fire and explosion protection of petrochemical enterprises is the key prevention object. On the one hand, the flammable and explosive medium of the oil depot has the danger of fire and explosion; on the other hand, there are often more fire sources around the warehouse. The oils sent and received by the oil depot are flammable and flammable liquids. Once exposed, they may explode if exposed to fire, high heat or electric spark. Doing a good job in fire safety and safety of oil depots to prevent fire accidents is of great significance for safeguarding national defense and promoting the development of the national economy.

Fire risk analysis

The fire hazards in the petrochemical industry are mainly manifested in oil and electricity:

• Easy to burn      • Easily generate static electricity

• Easy to explode     • Susceptible to thermal expansion

• Easy to evaporate        • Easy to flow and spread

• Easy to boil

Shortcoming of fire protection

At present, the fire prevention measures for crude oil storage tanks in the petrochemical industry are mainly manifested in three aspects: fire dykes, foam water guns, and spray systems.

▶ Fire dykes are not suitable for aboveground storage tanks for flammable liquids

▶ Sprinkler system can not prevent initial fire

▶ The use of fire water cannons is required to be staffed

In summary, the fire protection of crude oil storage tanks still needs to be greatly improved. Combined with Anhui Chengwei Fire Technology Co., Ltd.’s recent product configuration and installation experience for the overall fire prevention of Daqing Oilfield, the facts show that Chengwei fire automatic fire extinguishing device is for the petrochemical industry.


The product is placed in the position of the gas outlet of the oil storage tank and the position of the cable. Once the oil is accumulated around the gas outlet or the fire is caused by the high temperature or electric shock caused by the oil and gas volatilization, the product starts to extinguish the fire in the first time when it contacts the fire source, and the oil tank is in the oil tank. When there is a fire at the top, the product starts up, and a large amount of foaming agent can be used to cool down and chemically suppress the overall protection of the tank top.

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Mechanism of Fire Extinguisher

The three basic factors for a fire include: oxygentemperature and combustible. To control a fire, any one of the factors shall be controlled. 1st Fire Rescue new innovative fire extinguisher extinguish a fire by controlling the above three factors at the same time.

  • Stifling: The great impact force generated after the fire extinguisher is stared causes the canter of burning pint to lack oxygen, so as to stifle and extinguish the fire.

  • Cooling: After the fire extinguisher is started, extinguishing agents are rapidly diffused onto the surface and surrounding of the combustible, which makes the temperature drop and extinguish the fire by cooling.

  • Isolating and suppressing: Through physical and chemical reaction, it can separate the inflammable matters, eject chemical flame retardant and foams to make the inflammable matters hardly combustible, thus reduce the inflammable area, and prevent the fire.


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