(1) When the requirements for materials or moisture that are easier to filter are not strict (about 12%), the vacuum continuous filter should be preferred because it is light in weight, low in cost, and easy to operate and maintain. (2) When the solid content of the filter slurry is small and the moisture requirement of the filter cake is not strict, an ordinary frame type filter press (a few hours of unloading-blowing) may be used. (3) For the filter material with large filtration amount, if the moisture content of the filter cake is less than 10%, the vertical or horizontal diaphragm extrusion blow-type automatic filter press can be used. The structure of the machine is complex and must be reliable. The program control device is preferred when it is possible to remove the drying operation at home and abroad. Such equipment has large investment and complicated maintenance, but it is reasonable in terms of overall economic indicators because it can remove drying operations. The vertical filter press (the filter frame and the ground are horizontally arranged) are used for heavy non-ferrous metals at home and abroad (the materials are uniformly distributed in the frame). The horizontal filter press (the filter frame is arranged perpendicular to the ground) is used for materials with lighter density such as chemical industry. (4) a horizontal belt vacuum filter, where there is used for washing, the filter cake has formed, washing, dry cycle in a process according to claim advantage of stepless adjustment, but also abroad in recent years for dressing plant Tailings filtration (downhole cement filling).
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Filter equipment selection principle
The selection criteria for filter equipment are as follows: