How to clean the filter plate of the filter press
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What are the washing forms of the filter plate of the filter press?
1) The open flow is not washable: this form has only one intermediate feed channel, the material enters each filter chamber from the feed hole on the thrust plate through the feed channel, and the filtrate passes through the filter medium from the outlet hole of each filter plate discharge. It is suitable for general filtering and has the advantages of fast filtering speed and intuitive filtering effect.
2) Undercurrent is not washable: In addition to the feed channel, this form of filter press also has a liquid outlet channel. The filtrate of each filter plate is discharged together through this channel. This form is suitable for materials that are polluted, toxic, volatile, and do not need washing.
3) Open-flow washable: In addition to the feed channel, this form also has a channel for washing liquid. The filtering part is the same as the open flow is not washable. After the filtration, the washing operation is carried out.
4) Undercurrent washable: divided into undercurrent one-way washing and undercurrent two-way cross washing. The feed and washing liquid of this type of filter press is the same as the open flow washable, but the way of discharging is different. The liquid of each filter plate is collected and discharged together through the liquid outlet channel. This form is suitable for materials that are polluted, toxic, volatile, and need to be washed.
How to choose the filter cloth of the filter press?
The choice of filter cloth is very important and plays a key role in the filtering process. The performance of the filter cloth directly affects the filtering effect. In order to achieve a relatively ideal filtering effect and speed, it needs to be based on the particle size, density, and density of the material. Viscosity, chemical composition and filtration process conditions to choose. The user decides according to the actual filtering requirements. When cutting the filter cloth, the pore distance and pore size must be accurate, and the pore diameter should not be too small, otherwise it will block the feed hole; the nylon buckles on the filter cloth should be evenly arranged, and the filter cloth should be cut with special tools such as electric soldering iron to avoid filtering. Cloth off the line.
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