Recessed Plate Filter Press

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Type: Automatic  recessed chamber filter press/recessed plate filter press
Automatic Grade: Automatic
Applicable Industries: Manufacturing Plant, Food and beverage Factory, Farms, Restaurants, Construction works, Energy & Mining, etc.
Filtration pressure(Mpa): 0.6-1.4 Mpa
Product Details

Introduction of Recessed Plate filter press

A recessed plate filter press is batch-operated filtration equipment that is used for solid-liquid separation of various suspensions, and the separation effect is good. This version of a  press filter is to use plates that have recesses in them.
The structure of the chamber filter press is similar to that of the plate and frame filter press, but the filter plate of the recessed plate type filter press is thicker than that of the plate and frame filter press, so it can bear higher feeding pressure, and the recessed chamber filter press consists of two identical filter plates.
When the two filter plates are pressurized, a filter chamber is formed. The feed hole is located in the center of the filter press plate and is usually used for materials with large particles, such as sewage treatment, ore dressing, coal washing, etc. The concave plate filter press can withstand filtration pressures up to 0.6MP/1.4 Mpa and can easily unload the filter cake through automatic pulling plates. Therefore, it has wider adaptability.
It is also an advanced solid-liquid separation mechanical product that integrates machinery, electricity, and fluids. It consists of five major parts, namely the frame part, the filter part, the pull plate part, the hydraulic part, and the electrical control part.
recessed plate filter press
recessed chamber filter press
recessed plate filter press

Recessed Plate filter press Working Principle:

  1. The material is pumped into the filter press through the feed, and the solids are evenly distributed in the filter chamber. The solids start to accumulate on the filter cloth, and eventually, the solids start to form a filter cake on the filter press cloth.
  2. Filtrate typically exits the filter plates through corner ports and enters the manifold. When the correct valve in the manifold is open, the filtrate leaves the filter press through the outlet.
  3. As the filter presses build up pressure, solids accumulate in the filter chamber until the filter cake is completely filled. The filling cycle is completed when the filter chamber is full of filter cake. Then, the press is turned on, the filter press plate is moved, and the filter cake falls into the filter cake hopper.
Filter press drawing

Difference between plate and frame filter press and recessed chamber filter press

  1. Feeding position: The common feeding method of the chamber filter press is middle feeding, and some old equipment is middle-upper feeding or corner feeding; the feeding of the plate and frame filter press is corner feeding.
  2. Filter press plate structure: The filter plate of the recessed plate filter press is an integral filter plate. The plate and frame filter plates are a combination of two parts: a plate and a frame.
  3. Degree of automation: The chamber filter press can realize automatic operation, but the plate and frame filter press cannot realize automatic operation.

Filter plate of the Recessed Plate filter press

filter plate

filter plate

Filter Cakes



Plate size
Cake thickness
Filter chamber
Plate Number



  1. Chemical industry
  2. Metallurgical industry
  3. Coal industry
  4. Petroleum industry
  5. Food industry
  6. Pharmaceutical industry
  7. Printing and dyeing industry

Customer Visiting

customer visiting

customer visiting


  1. Feed through the center hole, allowing the filter chamber to fill faster and more evenly, reducing the risk of filter plate damage due to uneven pressure.
  2. Higher feed pressure can be achieved by alcove design, which can prevent the filter plates from bending under high pressure.
  3. Cake release is easier with concave plates. When using a plate and frame filter press, the filter cake may not be released as quickly and may require more operations to remove.
  4. The machine adopts mechanical, electrical, and hydraulic integrated design and manufacture, with reasonable structure, simple and reliable operation, and convenient maintenance.



Precautions for the operation of  press filter

1. Select filter cloth correctly. Clean the filter cloth regularly and promptly to keep the surface of the filter press clothes clean and free of residues. If the filter cloth becomes hard, it should be softened. If the filter cloth is damaged, it needs to be replaced with a new one in time.
2. Pay attention to protecting the sealing surface of the filter plate to avoid deformation of the filter plate due to collision.
3. The temperature of the material to be filtered should be ≤100°C and the liquid must not be mixed with debris or hard objects that damage the filter plate.
4 Valves for materials and washing water must be opened and closed according to operating procedures, and materials and washing water must not enter at the same time.
5. Keep the machine clean, keep the workplace hygienic, and keep the roads clear.
6. After the work is completed, turn off the power, organize the tools, clean the remaining materials in each part of the machine, and do a good job in equipment maintenance and cleaning of the work site.

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