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石化企业的电缆大多铺设在地下的沟内,犹如人体的神经系统,维系着企业的安全生产.一旦发生爆炸着火事故,将给人民生命和国家财产带来极大的危害.一、发生电缆沟火灾的原因(一)气体在电缆沟内泄漏引起.石化企业的电缆沟上部一般都有水泥盖板,大多数处于封闭状态,其沟底均低于地平面.这样,电缆沟内一旦遇有可燃气体不易散发.当达到爆炸浓度极限时,遇到任何火源便不可避免地发生闪爆.(二)由外部渗漏电缆沟内引起.石化企业的电缆沟、污水沟往往纵横交错,一般是污水沟在上,电缆沟在下.那么,由于各种
Petrochemical enterprises are mostly laid in the underground cable ditch, like the human nervous system, maintaining the safety of enterprises in the event of an explosion fire accident, will bring great harm to people’s lives and state property. Cause of the fire (A) gas leak caused in the cable trench. Petrochemical enterprises generally have cable gutter cover, most in a closed state, the bottom of the trench are below ground level. In this way, the cable trench in the event of a Combustible gas is not easy to emit.When it reaches the limit of explosion concentration, it will inevitably occur flash explosion when encountering any fire source. (2) Cable leakage caused by external leakage. Is the sewage ditch in the cable trench in the next. Well, due to various