Transformer oil fire extinguishing agent

Abstract

The invention discloses a transformer oil fire extinguishing agent which comprises the following components in percentage by weight: 0.1%-2% of carboxylate alkali metal AEO, 1%-2% of a fire retardant, 0.2%-1% of 2-quinoxaline carboxylate alkali metal, 2%-4% of an antifreeze agent and the balance of water. In the transformer oil fire extinguishing agent, carboxylate alkali metal AEO serves as an emulsifying agent to emulsify transformer oil so as to rapidly form a stable sol system, so that transformer oil drops are separated to rapidly stop combustion and prevent after-combustion; and 2-quinoxaline carboxylate alkali metal serves as a corrosion inhibitor to form a film on the surface of metal in a self-assembly manner so as to play the role in prevent equipment corrosion or relieving the equipment corrosion degree. The transformer oil fire extinguishing agent is high in fire extinguishing speed and efficiency, safe and reliable to use, nontoxic and harmless, has high extinguishing capacity for transformer oil fire and is particularly suitable for extinguishing transformer oil fire of a transformer substation.

Description

technical field [0001] The invention belongs to the technical field of fire fighting and fire extinguishing, and relates to a transformer oil fire extinguishing agent. Background technique [0002] Transformer oil is a fractionation product of petroleum, and its main components are compounds such as alkanes, naphthenic saturated hydrocarbons, and aromatic unsaturated hydrocarbons. The main functions of transformer oil are: (1) Insulation function: Transformer oil has a much higher dielectric strength than air. Immersing the insulating material in oil can not only improve the insulation strength, but also protect it from moisture erosion; (2) Heat dissipation: Transformer oil has a large specific heat and is often used as a coolant. The heat generated during the operation of the transformer causes the oil close to the iron core and winding to expand and rise. Through the convection of the oil up and down, the heat is dissipated through the radiator to ensure the normal opera...

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Problems solved by technology

[0004] (2) The viscosity should be moderate, if it is too large, it will affect convection heat dissipation, and if it is too small, it will reduce the flash point;

Due to the characteristics of transformer oil, once it burns, it will burn at a higher temperature than other flammable oils for a longer period of time, causing greater losses

For example, in 2016, a transformer in the southern suburbs of Shaanxi Province caught fire, causing eight 110kV substations to lose voltage, multiple lines tripped, power outages reached 86,500 households, and multiple electrical equipment was damaged, causing large economic losses

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