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What are the washing methods of filter cake of filter press

In actual use, many users often don't know how to wash the filter cake of the filter press, and sometimes they even show up. There are generally four washing methods for the filter cake of a filter press: open flow one-way washing and two-way washing, undercurrent one-way washing and two-way washing. The following Sudong Chemical will give a detailed introduction to these four washing methods.


Open flow one-way washing means that the lotion enters sequentially from the lotion inlet holes of the thrust plate, passes through the filter cloth and then the filter cake, and flows out from the non-porous filter plate. At this time, the outlet nozzle of the orifice plate is in a closed state. The outlet nozzle of the orifice plate is open. copyright by :www.sdylj.cn


Open flow two-way washing means that the lotion enters the holes from the two sides above the thrust plate to wash twice, that is, the lotion is washed from one side and then from the other side. The outlet of the lotion is in the diagonal direction with the inlet. , So it is also called two-way cross washing.


Undercurrent unidirectional washing is that the lotion enters the perforated plate sequentially from the lotion inlet hole of the thrust plate, passes through the filter cloth and then the filter cake, and flows out from the non-porous filter plate.


Undercurrent two-way washing means that the washing liquid enters the two holes on the upper side of the stop plate twice in succession, that is, the washing is washed from one side and then from the other side. The outlet of the washing liquid is in the diagonal direction. So it is also called undercurrent two-way cross washing.


It can be seen that the four washing methods of filter cake of filter press have different characteristics. In actual operation, the operator must understand clearly, and then make the most suitable choice according to the actual situation, so as to do a good job of washing the filter cake.

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Jiangsu Sudong Chemical Machinery Co., Ltd. was established in June 1956. It has been engaged in the research, design and manufacture of filter presses for more than 30 years.
 Top 10  brands of filter press in China
 Solid liquid separation engineering technology research center

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