What are the five major categories of fire?
Fires can be divided into five broad categories: ABCDEClass a carbon solid fire. Can choose green water fire extinguisher, acid and alkali fire extinguisher and so on.Class B, refers to flammable liquid fire. Dry powder fire extinguisher can be used. Halon 1211, fire extinguisher, carbon dioxide extinguisher, etc..Class C, refers to flammable gas fire. Dry powder extinguisher, halon 12111301 extinguisher and so on.Class D, refers to metal fires. There is no effective extinguisher at present.Class E refers to a fire that is electrically charged. Fire powder extinguisher, halon 12111301 extinguisher, CO2 fire extinguisher can be used
The fire can be divided into five categories: A, B, C, D and E according to their combustion characteristics. Class a fire: solid matter fire. This material often has the properties of organic substances, resulting in burning burning embers in general. Such as wood, coal, cotton, wool, linen, paper and other fire. Class B fires: liquid fires and molten solid matter fires. Such as gasoline, kerosene, diesel oil, crude oil, methanol, ethanol, asphalt, paraffin and other fires. Class C fires: gas fires. Such as gas, natural gas, methane, ethane, propane, hydrogen and other fires. Category D fires: metal fires. Such as potassium, sodium, magnesium, aluminum, magnesium alloy and other fire. Category E fires: Fire involving substances such as live objects and precision instruments. In accordance with the state regulations on fire statistics administration, fire can be classified into large fires, major fires and general fires. Large fire: more than 10 deaths (including the number, the same below); serious injuries to more than 20 people; death and serious injuries of more than 20 people; more than 50 affected; direct property loss of more than 1 million yuan. One of the circumstances mentioned above is an extraordinary fire. Major fire: more than 3 deaths (including the number, the same below); serious injuries to more than 10 people; death and serious injuries of more than 10 people; more than 30 affected; direct property loss of more than 300 thousand yuan. One of the circumstances mentioned above shall be a major fire. General fire: no fire in the top two cases is a general fire.
No. 1 killer is the most common fire in life, heating, cooking, cooking. Two, "killer" is a small cigarette butts, because smoking in bed accidentally ignited bedding, especially drinking, smoking, more likely to cause a fire. No. three "killer" is a common electric mattress and heater. Because the wire aging, short-circuit, electric mattress and electric heater for long time electrify, poor contact, baking, burning around combustible, cause fire. "Four killer" is what we talk about the discoloration of liquefied petroleum gas leakage. No. five killer is a real killer". Because of arson
