Mechanical press filter is a kind of intermittent pressure filtration machine equipment, applied to various suspension of solid-liquid separation, separation effect is good, easy to use, widely used in petroleum, chemical industry, dye, metallurgy, pharmacy, food, paper making, coal washing and sewage treatment and other required field of solid-liquid separation, mechanical filter press is mainly suitable for all kinds of dehydrated slow, relatively high viscosity, filtration pressure does not need too much, filtration cycle long materials, applicable to small filter industry, is not suitable for filtering material industry of higher temperature.