1、 The main features of the plate and frame filter press include:

1. Intermittent operation: Plate and frame filter press is an intermittent solid-liquid separation equipment, which forms a filter chamber by arranging filter plates and frames. Under the pressure of the feeding pump, the feed liquid is sent into each filter chamber, and the solid and liquid are separated through the filtering medium.

2. High filtering driving force: Due to its strong filtering driving force, it can produce high solid content in the filter cake and excellent separation effect.

3. Simple structure: The plate and frame filter press has a simple structure, easy operation, flexible movement, and is suitable for solid-liquid separation of various suspensions.

4. Wide applicability: Plate and frame filter press is suitable for closed filtration of liquids with low viscosity and low slag content below 50% concentration, in order to meet the requirements of precision filtration, semi precision filtration such as purification, sterilization, and clarification.

5. Efficient and energy-saving: The plate and frame filter press adopts pressurized and sealed filtration, with low filtrate loss, good filtration quality, and high efficiency.

6. Multiple uses: In addition to being used for chemical dewatering, plate and frame filter presses are also widely used in industries such as sludge dewatering, pharmaceuticals, and food processing. In addition, the filter plate and frame of the plate and frame filter press are made of corrosion-resistant stainless steel materials, which are suitable for filtering various pH acid and alkali solutions, ensuring 100% no carbon flow, high flow rate, and easy disassembly and assembly.

Scope of Application

1. Chemical industry: dyes, pigments, phosphors, insurance powders, water purifiers, etc.

2. Hospital: antibiotics, calcium phytate, traditional Chinese medicine, organic phosphorus, amylase, etc.

3. Food: Baijiu, beverage, beer, yeast, citric acid, vegetable protein, soy milk, seaweed, etc.

4. Metallurgy: powder beneficiation of gold, silver, copper, iron, zinc, rare earth and other minerals.

5. Clay: kaolin, bentonite, activated soil, porcelain clay, electronic ceramic clay, etc.

6. Wastewater treatment: chemical wastewater, smelting wastewater, electroplating wastewater, leather wastewater, printing and dyeing wastewater, brewing wastewater, pharmaceutical wastewater, environmental wastewater, etc

3、 Working principle

The working principle of the plate and frame sludge filter press is relatively simple, and the workflow is as follows:

Close and compress the filter plate → Feed → Dehydrate the filter cake → Unload. Firstly, the filtered liquid enters each filter chamber through the feeding hole on the rear top plate under a certain pressure through the feeding pump. The solid material is trapped in the filter chamber through the filter cloth and gradually forms a filter cake; The liquid is discharged outside the machine through the outlet holes on the plate frame. As the filtration process progresses, the filtration of the filter cake begins, the thickness of the mud cake gradually increases, and the filtration resistance increases. The longer the filtration time, the higher the separation efficiency. Specially designed filter cloth can trap particles with a diameter less than 1 μ m.

The drainage of the plate and frame sludge filter press can be divided into two forms: open flow and dark flow. The filtrate is directly discharged outside the machine through the water outlet holes on both sides of the plate frame, which is the open flow type. The advantage of the open flow type is that it is convenient to observe the liquid discharge of each filter plate, and problems can be directly detected by the transparency of the discharged filtrate; If the filtrate is discharged through the hidden flow tube of the plate frame and the rear top plate, it is called a hidden flow type.