General Introduction The Screw sludge dewatering machine, also known as the screw sludge dewatering machine, sludge treatment equipment ,sludge extruder ,sludge extrator ,etc. is a kind of water treatment equipment widely used in municipal sewage treatment projects and industrial industries such as petrochemical, light industry, chemical fiber, paper making, pharmaceutical, leather and so on. Application field The sludge dewatering machine/sludge dehydrator are widely used in below fields: 1. Applicable to municipal sewage, food, beverage, chemical, leather, welding material, paper making, printing and dyeing, pharmaceutical and other industries of sludge. 2. Suitable for dewatering of high and low concentration sludge. When dewatering low-concentration (2000mg/L~) sludge, there is no need to build enrichment tank and storage tank, so as to reduce the construction cost and reduce the release of phosphorus and the generation of anaerobic odor.