小型乙烯生产装置的往复式甲烷制冷压缩机出口气体中存在黑色粉尘，易进入冷箱造成堵塞，影响甲烷制冷并危及装置生产。

The black powder in the exit gas of methane compressor caused the plugging of coo ling box and resulted in the reduction of refrigeration effect.

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本粉碎机组由粉碎机、ESC物料收箱和ESC吸尘器组成，解决物料在粉碎过程中粉尘飞扬。

The grinder set consists of Model grinder, EXC collector of raw material and ESC collective duster. It solves the problem, i. e. the dust is flying during the period of crushing raw material.

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粉碎好的物料经旋转离心力的作用，自动进入捕集袋，粉尘由吸尘箱经布袋过滤回收。

The crushed material is entered into the catcher automatically under the effect of rotating centrifugal force, the dust is filtered recovered by dust collector through a bag.

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