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采用双向快开门的矿用隔爆壳子,在门板和壳体法兰上安装了挡块,门板上也装设了快开门机构,其作用是在保证隔爆面之间的间隙不超过隔爆间隙要求,腔内火花不能穿越隔爆面到壳子外面的同时,具有双向快速开门的功能。
The use of two-way fast open the mine explosion-proof shell, the door and shell flange mounted on the block, the door also has a quick opening mechanism, its role is to ensure that the gap between the explosion-proof surface does not exceed the interval Explosion clearance requirements, the cavity can not be across the explosion-proof surface of the shell outside the shell at the same time, with two-way quick door function.