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冷库火灾,乍听起来似乎有点稀奇古怪。冷库冰冷,无物可燃,哪有火灾?其实不然,冷库构造特殊,保温层以可燃物装填,制冷剂为可燃气体氨,如果失之防范,就无绝对不燃之理。今年2月,甘肃省嘉峪关市冷库失火,烧毁冰库大部分保温材料,险些引起氨气管爆炸,即为一例。嘉峪关冷库,分为大库(内库)、小库(蛋库)冰库三个单元。主体为框架砖混合结构,大库高10米,小库高6米。全库外墙厚37厘米,内墙厚24厘米,两墙之间宽60厘米,内填保温材料稻壳2800立方米,麦草10万斤。
Fridge fire, at first glance sounds a bit weird. In fact, the cold storage structure is special, insulation layer filled with combustibles, the refrigerant is combustible gas ammonia, if the loss of prevention, there is no absolute non-combustible reason. In February this year, Jiayuguan City, Gansu Province, cold storage fire, burning most of the insulation material in the ice bank, almost caused ammonia tube explosion, that is an example. Jiayuguan cold storage, divided into a large library (in library), a small library (egg library) ice storage three units. The main framework for brick hybrid structure, a large library 10 meters high, a small library 6 meters high. The outer wall of the whole library is 37cm thick, with an inner wall thickness of 24cm and a width of 60cm between two walls. It contains 2800m3 rice husk with insulation material and 10kg wheat straw.