JPS6034408B

A filter press with a novel spray washing arrangement for the filter plates which plates are shiftable on horizontal guides. The novel spray washing means comprises a carrier frame encompassing the stack of plates together with the horizontal guides and a spray pipe. The carrier frame is movable along the stack of filter plates at vertical, lateral struts. The spray pipe is equipped with spray nozzle and is guided as a unit movably up and down along the vertical struts. The spray pipe comprises two branch lines enclosing between them a filter plate that is to be spray washed. The spray nozzles of the two branch lines face each other to provide the same pressure on front and back surfaces of the filter plate.