HOW OUR BELT FILTER PRESS WORKS

Updatetime:2015-5-28 View:321

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Before sludge enters the press it is chemically conditioned for dewatering with an emulsion polymer flocculant that helps form stronger flocs. After chemical conditioning, a transfer pump drops the sludge onto a preliminary dewatering belt where free water molecules separate by gravity and fall into a collection trough.

 

As sludge is conveyed along the belt, ploughs roll it around to help water drain out. Before dropping down to the next stage, guide plates position the sludge towards the middle of the belt and ensure nothing is squeezed out the side of the filter. A second gravity thickener repeats the process before sludge is fed into a pressing zone.

Upon entering the pressing zone, sludge is sandwiched and squeezed between two belt filters which slowly convey over and under rollers that force excess water out of the sludge and through the filter mesh.

Finally, the pressed sludge is scraped off the belt and collected in a bin. All filtrate and wash water is captured and transferred back to the front of the wastewater system for re-processing.

Mr.wong

Engaged in international trade has 6 years of experience in equipment sales

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