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Smoking is the real cause of fire

Date:2017-06-02 15:50
In a fire, smoking is a very important source for cause. According to the "Chinese fire Yearbook" statistics, from 2001 to 2005 due to smoking caused the fire accounted for from the total number of 7.7 percent. Usually a cigarette burning time in about 10 minutes, according to the length of its discarded cigarette butts burning time in 1 to 4 minutes. Cigarette butts surface temperature 200OC - 300OC, burning cigarette center temperature of up to 7000C - 800OC. Most of the fuel burning below this temperature, such as paper burning 13OOC, 210OC - 255OC - cotton, natural rubber - 129OC, 250OC - 300OC for wood burning, straw burning 200OC, polyester fiber light is 390OC. The center temperature of the cigarette butts is 2 times to 5 times that of the above material.
Under certain conditions, the cigarette end can cause burning loose fiber material, such as cloth, cotton, cotton, bedding, wood shavings, straw, sawdust smolder, and developed into a flame combustion; cigarette burn marks in the small wood, plywood, chemical fiber carpet; cigarette on wood fiber board pressing, pressing, according to the temperature and ventilation conditions, may also be ignited; cigarette on the twisted group paper, burned several layers of paper in the wind, the formation of smoldering in the wastebasket or trash can. If the cigarette butts encountered flammable gas and liquid, the risk is even greater, because of flammable gas and liquid out of steam and air mixture can form explosive mixed gas reaches a certain concentration, encountered a spark, it is easy to cause fire and explosion.

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