在工农业产品的生产、制造、储存、运输等过程中以及医药卫生等部门中,甚至于日常的生活环境里,都有可能存在着发生爆炸的危险性。这里所说的爆炸是指在密闭或近似于密闭的空间里,因可燃物快速的燃烧而造成的压力的急剧上升和火焰的迅速传播。如:易燃气体或液体蒸汽与空气(或其它的含氧介质)以适当的比例相混合,在一定的条件下便会发生爆炸;许多粉尘,包括农产品的粉尘、塑料粉尘、一些染料粉尘、金属粉尘、 In the process of production, manufacture, storage and transportation of industrial and agricultural products, as well as in the departments of medicine and health, and even in daily living environment, there is a danger that an explosion may occur. Explosion here refers to a sharp increase in pressure and rapid spread of flame caused by the rapid combustion of combustibles in an airtight or near-confined space. Such as: flammable gas or liquid vapor and air (or other oxygen containing medium) mixed in the right ratio, under certain conditions will explode; a lot of dust, including agricultural products, dust, plastic dust, some dust, Metal dust,