Basic Info
  • Factory Location: Shanghai

    Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa

  • Sample Provided: no

    The stacked screw sludge dewatering machine is suitable for sludge treatment in industries such as municipal sewage, food, beverage, chemical, leather, welding materials, papermaking, printing and dyeing, and pharmaceuticals, especially for treating sludge with high oil content. Low operating costs and low-speed spiral extrusion technology significantly reduce power consumption; The equipment is not easily blocked, and the amount of flushing water is greatly reduced; 24-hour fully automatic unmanned operation significantly reduces labor costs. Under the same processing capacity, the water consumption of the screw stacking machine is only about 1/80 of that of the belt machine; The power consumption of the screw stacking machine is only about 1/12 of that of the centrifuge, and it operates continuously and automatically. The screw stacking sludge dewatering machine uses automatic control to pump sludge, add chemical solution, and discharge sludge cake. It can achieve 24-hour unmanned operation through linkage with the electric control cabinet, dosing device, sludge inlet pump, dosing pump, etc. The key technology of the laminated screw body includes several fixed rings stacked on top of each other, with multiple screws evenly distributed around the outer circumference of the fixed rings. The fixed rings are fitted onto the screws, and washers are placed between adjacent fixed rings on the screws. A floating ring is also set in the gap between adjacent fixed rings, and the inner side of the fixed ring is matched with the gap between the spiral blades. When working, the floating ring moves with the rotation of the spiral shaft (main shaft), and the gasket keeps a certain gap between the fixed ring and the floating ring, avoiding complete blockage. It has a self-cleaning effect and does not require extensive cleaning to prevent filter blockage, completely reducing the amount of water used for flushing. Efficient sludge extrusion technology: In order to further reduce the moisture content of the final filter cake. We have adopted a unique structure: firstly, the pitch of the spiral blades gradually decreases from the inlet to the outlet, and at the same time, there is a variable diameter section near the outlet of the spiral shaft. The diameter of the variable diameter section gradually increases from the inlet to the outlet. 2: There is a mud blocking plate located in the mud discharge box on the main shaft, and there is a gap between the mud blocking plate and the dewatering cylinder. The setting of the sludge blocking plate can block the sludge, so that the sludge in the dewatering drum has a certain pressure, which can fully squeeze out the water in the sludge and achieve better dewatering effect. 3: The self-cleaning technology of spiral blades is a surface hardening treatment technology for spiral blades: using low-temperature supersonic technology to spray hard materials on the outer diameter of the spiral shaft blades, the surface hardness reaches 1000HV, the adhesion is greater than 70MPa, the workpiece deformation is small, the wear on the spiral shaft blades is reduced, and the service life of the spiral blade is extended. General components are cut using a cutting machine or waterjet, while key components are cut using pure laser cutting to ensure high precision of the equipment.
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    SHANGHAI DAZHANG FILTRATE EQUIPMENT CO.,LTD.
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