Multiple Disk Volute Filter Press Sludge Thickener for Domestic Sewage

Product Description

BOEEP multiple disk volute filter press sludge thickener still maintains the advantages of low operating & maintenance cost, dewatering performance, smell protection, low noise, automatic control, etc. as traditional volute screw press dehydrator. It is used for processing the sludge of low concentration from 2500mg/L-20000mg/L. The sludge from the secondary sedimentation tank can be condensed rapidly and continuously, and the sludge concentration can be adjusted between 90% and 96% stably after being condensed and separated. Apart from the traditional advantages, the device has many advantages such as no need concentrated tank, small footprint, less cost. Further more, it can effectively reduce the release of the odor & phosphorus caused by sludge concentrated tank, simplify the following treatment process, greatly increase the capacity of sludge dewatering and deep dehydration equipment.

Main Structure 

BOEEP multiple disk volute filter press thickener is composed of screw body, driving device, filtrate receiver, mixing system and frame. There are 3 parts which constitutes the main body of volute screw press thickener. They are fixed ring, moveable ring and the screw shaft which runs through the main body. 

Working Principle

BOEEP multiple disk volute filter press thickener mainly consists of concentrating body, driving device, filtered water tank, mixing system and frame, etc. During operating, the sludge is pumped into the mixing tank by sludge pump, meanwhile, dosing pump feeds the mixing tank with prepared polymer quantificationlly. The sludge is mixed completely with the polymer by the stirring of motor in the mixing system, then alumen ustum will be produced. When the liquid reach the level of liquid level sensor, the screw body will get into operation, in which the sludge is being pressed. The thickened sludge will be discharged at the outlet gradually and the filtered water will come out between the fixed ring and moving ring at the same time. 

All in all, volute filter press thickener adopt the principle of screw extruding to thicken the sludge through the high pressure generated by the screw distance changes and small gap between the mobile ring & fixed ring.

Application

1-Instead of condensed tank, work as the pre-treat device of the sludge dewatering system.

2-It is the pre-treat device of sludge deep dewatering, also as the auxiliary equipment of high pressure plate and frame filter press, membrane filter presser.

3-Solid and liquid separation in the municipla & industrial wastewater treatment system.

4-Sludge dewatering in the municipal & industrial wastewater treatment system.

5-Other wastewater treatment applications in the municipal & industrial wastewater treatment system.

Features

• No need filter cloth, high pressure back water rinsing, self-cleaning, clog free

• Enclosed working, odor emission is controled

• High concentration efficiency, small footprint

• Large sludge concentration range, applied water content of sludge: 98%-99.8%

• Fully-automatic control, low labor need

• Less wearing parts, easy to operate & maintain

• The water content after thickened is 90%-96%, which can be adjusted stability
  

  
  

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