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Cascade dewatering machine

Equipment Overview

Double Valley environmental protection equipment stacked spiral sludge dewatering in the dehydration mechanism follows the same direction, thin water dehydration, the appropriate pressure and prolong the dehydration path principle, to solve the technical problems of sludge dewatering equipment is easy to be blocked, the treatment of low concentration of sludge and oily sludge poor effect, high energy consumption, complicated operation, the dehydration the target of high efficiency and energy saving.
Stacked spiral sludge dewatering machine set automatic control cabinet, flocculation conditioning tank, sludge thickening and dewatering tank body and set in one, can be in automatic operation conditions, to achieve efficient and continuous flocculation, sludge thickening and dewatering work, will eventually be collected filtrate recirculation or discharge.
The utility model relates to a spiral sludge dewatering machine, which can be widely used in municipal sewage treatment projects, water treatment systems in petrochemical, light industrial, chemical fiber, paper making, pharmaceutical, leather and other industrial industries
Working principle
The screw collecting body of a cascade dewatering machine is stacked by a fixed ring and a traveling ring, wherein the spiral shaft penetrates through it, concentrating and dewatering as a whole, the front section is a condensing part, and the back section is a dewatering part.
Concentration: when the spiral shaft is rotated, the multiple fixed moving plates arranged on the periphery of the spiral shaft move relatively, and the water is filtered out from the relative moving lamination gap under the action of gravity to achieve rapid concentration.
Dehydration: the concentrated sludge with the rotation of the screw shaft to move forward along the direction of exports; mud cake, the screw shaft pitch becomes smaller, the gap between the ring and the ring has gradually become smaller, the spiral cavity volume shrinking; at the outlet pressure plate under the action of internal pressure gradually increased, in order to push the shaft to promote the continuous operation in the spiral, sludge water squeezed out, the cake solid content increasing, finally realize the continuous dehydration of sludge.

Self cleaning: the screw shaft rotation, promote the continuous rotation swimming ring, mobile devices rely on between the fixed ring and swimming ring to achieve self cleaning process is continuous, so skillfully to avoid clogging problems of traditional dehydration machine.

R & D advantages
Double Valley environmental protection joint Shanghai Jiao Tong University Institute of mechanical engineering, the finite element analysis of the spiral shaft and the dynamic force of the fixed ring by using ANSYS software, improved stack screw dewatering machine main structure, so as to improve the processing performance and service life of the screw stack dewatering machine.


    Quality ens

    1. imported brand motors
    2. imported brands or domestic brands of speed reducer
    3. frame screw dryer priority selection of SS304 stainless steel material
    4. screw shaft surface is treated by corrosion resistant super hard alloy
    5. using nitrogen protection, laser cutting blanking, to ensure the       machining accuracy of equipment
    6. use stainless steel argon arc welding to ensure the welding quality of  equipment
    7. the use of first-line anti-corrosion paint brand, to ensure that the equipment beautiful and durable
    8. using ABB, Schneider import brand electrical components
Product advantage
1. stacked screw sludge dewatering machine comes with concentration section. It has wide range of sludge concentration and can deal with sludge from different industries with concentration of 2000mg/L~5000mg/L;

2. stack screw sludge dewatering machine can adjust the amount of outflow and sludge dryness by operating telescopic valve;
3. stack spiral sludge dewatering machine, low noise, low energy consumption, the average energy consumption is about 1/10 of belt conveyor, 1/20. of centrifuge
    The water consumption of

4. stack spiral sludge dewatering machine is low, and the water consumption is about 1/10. of belt dewatering machine
5. stacked screw sludge dewatering machine without filter cloth, filter holes and other easy to plug components, safe and simple operation, automatic control can be achieved.

Parameter selection

 

 

Operation condition

 

 

Order note

1. it should be noted that the sludge concentration, sludge volume, sludge belong to which industry and other parameters.
2. should indicate the main material (stainless steel, carbon steel) and dynamic ring material (stainless steel SS304, stainless steel SS316L), do not indicate that the main material, according to SS304 stainless steel, fixed ring press SS304 stainless steel.