Used Filter Dryers, Pressure filters or Nutsche Filter Dryers as they are also known are batch filters installed for soild-liquid separation of suspensions and for washing, drying and isolation of solids in the chemical, fine chemical and pharmaceutical processing industries.
Used 0.22 Sq.M Nutsche Filter Dryer, manufactured by Rosenmund AG, 1977/83. Model RND-0.22-166-77. Material of construction: 316 grade stainless steel. Design data: -1/6bar design pressure, 6bar jacket, design temp 200degC. Vessel volume 133 litres, jacket volume 7.9 litres. Bottom discharge. Previously used on Chemicals.
The nutsche filter dryer consists of cylindrical pressure vessel middle section, dished top head and a flanged bottom with a removable flat preforated base which supports the filter medium and a top mounted agitator drive with paddles which raises and lowers. This type of filter is often pressure and vacuum rated internally, heated with a jacket and agitator and has either a bottom or side discharge.
Manufacturers of used filter dryers include Rosenmund AG, 3V Cogiem, Charles Thompson, PSL, Vevey, Pfaudler and many more.