Fuli mine uses the technology of water sump cleaned with water replacing artificial water sump cleaning.

Based on insitu experiment and practice, the layout and structure of sump of Chambishi Copper Mine and mines in china are compared adequately, and the advantages of the sump layout and structure in Chambishi mine are expounded, for example, it is useful for sludge settling and sump cleaning and so on.

<Abstrcat>In the light of the difficulty in cleaning warehourse,this paper puts forward a kind of design means of new-type pneumatic dressing machine,and simply introduces its design and calculation.