Filter Press | Dewatering Technologies | HCR
26 May.,2025
Filter Press | Dewatering Technologies | HCR
Plate and frame filter presses use recessed-chamber filter plates to separate the liquids from the solids. Two plates join together to form a chamber to pressurize the slurry and squeeze the filtrate out through the filter cloth lining in the chambers. The filter cake is collected on the surface of the filter plate cloths and dropped onto a horizontal conveyor.
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There are two main types of filter presses that can be used:
- High-pressure plate and frame filter presses typically produce filter cakes that are between 40% - 70% solids by weight.
- Low-pressure plate and frame filter presses typically produce filter cakes that are between 25% - 50% solids by weight.
Some benefits of using a plate and frame filter press is that they produce stackable, cake-like solids that are amongst the “dryest’ of all technology. This gives you the most cost reduction when dealing with higher disposal cost materials such as hazardous waste.
For more recessed plate filter pressinformation, please contact us. We will provide professional answers.
The plate and frame filter press are most useful for the following applications:
Dewatering is used in every town with a wastewater treatment plant, power plant, chemical plant, paper mill, or refinery. Selecting the right process will depend on many factors. Knowing the different materials and what your project necessitates will help determine what your needs are. Handex has several decades of experience in dewatering and can put together a plan that works for you.
AS-H Plate Press | Alfa Laval
A plate press is a series of filter plates which are pressed together by hydraulic ram. The filter plates are built with a cavity or space in between them where the filter cake (solid) will form.
First the plate press is filled with the slurry until all of the aforementioned spaces are full. Once the slurry takes up all the space in between each of the plate press chambers, valves are opened on the top and bottom corners of the filter plates to allow the filtrate (usually water) to escape as more and more slurry is pumped in. Eventually the slurry cannot be pumped in because filter cake occupies all of the spaces in between the chambers. At this point the filter plates are separated either by mechanical or manual means, usually one at a time, allowing the filter cake to be discharged.
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