To provide a dehydration and drying apparatus for sludge provided with a fixing structure for a film and/or a filter cloth which gives practically required using frequencies and is inexpensive.
The dehydration and drying apparatus 1 for sludge, which forms a low moisture content dried cake by feeding a warm fluid to sludge and dehydrating and drying it, at least includes: a pair of filter plates 4 including core plates 26, the filter cloth 34 installed on both surfaces of the core plates to form a filter chamber 32, and a film 38 installed on the back side of at least one of the filter cloth to form a fluid chamber for the warm fluid; and fixing means 72, 104 for fixing the respective ends of the film and/or the filter cloth along the nearly whole outer periphery of the core plate.
COPYRIGHT: (C)2010,JPO&INPIT
Masaaki Fukushima
Tameno Koshino
Yutaka Murata
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Fumiaki Otsuka
Disciple Maru Ken
Ino Sato