This machine is an intermittent efficient filtering machine, it can deal with fine size, high-viscosity suspension materials, it's widely used in metallurgy, mine, coal, chemical industry, pharmaceutical industry, sugar refining, dyes, petroleum refining, environmental protection, food and other industries, it's also used for solid-liquid separation to kinds of suspension in textile printing and dyeing, leather making, papermaking, city sewage treatment and other industries. This machine uses high polymer polyethylene filter board and Microcomputer electrically controlled device; It has advantages of high pressure of filter, less water of filter board, high utilization rate of backwater, capable filter, light, simple structure, easy to control, less breakdown and so on.