เครื่องรีดตะกอน แบบ Screwpress

The conditioned sludge flows into the filter zones from the flocculation tank and is pushed forward to the discharging end. With the gaps between the thread of the shaft is getting even narrower, the pressure on the sludge is getting higher and higher, Then the water is separated from the sludge and flows out from the gaps between the moving rings and fixed rings. The movement of the moving rings will clean the gaps between moving and fixed rings and prevent the machine from blockage. The filtered sludge cakes will be pushed forward by the shaft and finally discharged form the end.

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  Working Principles

The conditioned sludge flows into the filter zones from the flocculation tank and is pushed forward to the discharging end. With the gaps between the thread of the shaft is getting even narrower, the pressure on the sludge is getting higher and higher, Then the water is separated from the sludge and flows out from the gaps between the moving rings and fixed rings. The movement of the moving rings will clean the gaps between moving and fixed rings and prevent the machine from blockage. The filtered sludge cakes will be pushed forward by the shaft and finally discharged form the end.

 

  Technology Advantages

                                                              Configurating exclusive spiral plate for pre-concentration and better for treating low
                                                              concentration sludge.

 

  Replacing gravity type dehydrator to realize efficient concentration of sludge.

 Flocculation and concentration operating together makes dewatering easy.

 Optimize concentration of slurry for dewatering with solenoid control valve.

 

  Rings substitute filter cloth, self cleaning, no clogging, easy treatment of oily sludge

The traditional dewatering equipments are easily got blocked while the dewatering screw press allows continuous operation with no clogging due to the moving of the fixed rings and moving rings cleaning itself. Therefore, it's especially good at oily sludge with excellent performance. Moreover it doesn't need additional water for high-pressure chleaning so that no smell or secondary pollution will

  Low speed operation, low energy consumption, only 1/8 of the belt type, 1/2 of the centrifuge

  Reduce the cost of infrastructure investment, improve the results of treatment

The dewatering screw press can directly treat the sludge from the aeration tank and the sedimentation tank so that the sludge thickening tank is not needed any more. Therefore, the construction cost can be greatly reduced and well avoided the phosphorus releasing problem.

  saving the cost of sludge thickening tank and other equpments investment.

 occupy smaller area, reduce construction investment for dewatering

  Fully automatic control, easy operation and maintenance

The dewatering screw press has no easy-bllocking components like filter cloth or filtration pore inside. Its operation is safe and easy. It also can be set to operate automatically via the elec-control cabinet.

  Integral construction

  Comparison 

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