The subject innovation provides a diaphragm filter plate for a filter press for use to separate the liquid phase during the squeezing process to the filtrate and cake. Diaphragm filter plate for a filter press is coupled to the body plate, and both sides or one side of the body plate, which is a liquid supply port, and a dehydrated filtrate which the liquid is supplied to be carried dehydration and the frame fixed to the body plate of the outer discharge a second device, a diaphragm having a sphere at least one filtrate is transferred, gatdoe a plurality of ridges in the frame, to a rectangular ridge is formed to the frame, the liquid supply port, a filtrate flow between the respective boundary of the filtrate was transferred sphere.
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