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Filter Press
Filter presses                are used in a variety of industries for solid-liquid separation and consist of a series of stacked filter plates or frames, alternating with filter cloths, which when screwed together form a series of chambers. Under pressure, the liquid is forced through the filter cloth, leaving a solid residue or cake on the surface of the cloth. The process efficiently dewater slurries, clarify liquids and recover valuable solids from the process stream. Filter presses are known for handling large quantities of material, high levels of solids recovery and minimal operating costs, making them indispensable tools in mining, chemical processing, food and beverage production, wastewater treatment and many other industrial applications.     
 
Principle of operation of a filter press
The filter press                consists of a support structure that holds a series of concave plates lined with filter cloth. Hydraulic pressure is used to hold the concave plates tightly together, thus creating a seal around their perimeter and the void space between the plates. A high pressure slurry pump presses the slurry into the cavity between the plates for dewatering. Mud solids are captured between the plates, while clean filtrate water passes through the filter fabric mesh and out the ports in the plates. When the chamber space is filled with dewatered slurry solids, the slurry feed pump automatically stops. The hydraulic pressure holding the plates together is released so that the plates can be separated individually, allowing the cake of dewatered solids material to fall from the filter press by gravity.     
 
The plates are hydraulically connected to form a seal while the feed pump provides the necessary pressure to dewater the fine solids.
 
The filter press is designed for simple and limited movement. This design allows for a high level of automation and reliability. Compared to competing dewatering technologies, the filter press allows for higher levels of water removal because the dewatered material is captured between the concave plates at the highest possible pump pressure. Filter presses are also designed for specific applications to achieve optimum dewatering efficiency by selecting the cycle time, cake thickness, feed pressure and plate pattern.     
 
Zhongda Bright Filter Press Manufacturer, Supplier
Zhongda Bright filter presses are designed to produce dry products or wastes that are easy to manage. The filter press also optimizes the recovery of clean, reusable water. zhongda Bright filter presses address many of the common problems associated with fine materials processing, including full slurry ponds/dams, high maintenance costs for material handling equipment, limited expansion capabilities, environmental permitting constraints, high waste disposal costs, and limited water availability.     
 
Unlike traditional plate and frame filter presses, Zhongda Bright's filter press range utilizes modern concave or membrane plates, both of which form a chamber for dewatering the slurry without trapping the cake within the frame. This allows the dewatered cake to be discharged more easily than in conventional plate and frame filter presses.     

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