steps-involved-in-filter-press-processes-are-as-followed

Steps involved in filter press processes are as followed

Giá: Liên hệ
Mã SP: DDTP
Nhà sản xuất: Đang cập nhậtĐẠI ĐỒNG TIẾN PHÁT
Bảo hành: Đang cập nhật
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STEPS INVOLVED IN FILTER PRESS PROCESSES ARE AS FOLLOWED:

1. CLOSING OF THE PRESS

As the filter is completely empty, the moving head is activated by the jacks that clamps the plates. The closing pressure is self-regulated through the filtration.

2.  FILLING

During this short phase, the chamber is filled with the sludge or slurry to be filtered. The filling time depends on the flow of the feed pump. For sludge of good filterability, it is best to fill the filter quickly to avoid caking in the first chamber before the last ones are filled.

3.   FILTRATION

Once the chambers are filled, further input of sludge increases the pressure from the increasingly thicker layer of filtered sludge on the cloths. The filtration can then be stopped manually, by a timer, or, more conveniently by a filtrate flow indicator automatically when no more filtrate is passing through.

4.  FILTER OPENING

The moving head is drawn back to disengage the first filtration chamber. The cake is released by its own weight. A mechanized system pulls out the plates one by one, the speed of which can be adjusted for the cake texture.

5.  WASHING

Washing the cloth should be done every 15-30 runs. For mid or large units, this can be done on the press itself using high pressure water sprays (80-100 bar). However, the washing requirements will depend on the type of sludge.


                        

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