The main difference between the diaphragm filter press and the ordinary box filter press is that a layer of elastic diaphragm plate is installed the filter plate and the filter cloth. During operation, when the feed is over, high-pressure fluid medium can be injected between the filter plate and the diaphragm, the whole diaphragm will bulge to press the filter cake, so as to achieve further dehydration of the filter cake, which is pressing filtration. First, there is positive extrusion dehydration, also known as feed water dehydration, that is, a certain number of filter plates are closely arranged in a column under the action of strong mechanical force, a filter chamber is formed between the filter plate surface and the filter plate surface, the filtering material is sent into the filter chamber under strong positive pressure, and the solid part of the material entering the filter chamber is retained by the filter medium (such as filter cloth) to form a filter cake, and the liquid part passes through the filter medium and is discharged from filter chamber, so as to achieve the purpose of solid-liquid separation. It is widely used in chemical industry, light industry, petroleum, pharmaceutical, food, resource development, metallurgical coal, environmental protection, sewage and wastewater chemical wastewater, metallurgical wastewater, electroplating wastewater, leather wastewater, printing and dyeing wastewater, pharmaceutical wastewater, breeding wastewater, slaughter wast, sand washing wastewater, building pile driving wastewater, stone cutting wastewater and other fields, which is deeply welcomed by users. Our company produces various models of box filter press, hydraulic filter press, diaphragm filter press, fully automatic filter press and filter press accessories, with reliable quality and complete specifications.
Filter plate materials are divided into cast iron, reinforced polypropylene, glass fiber polypropylene, etc.
There are various forms fluid flow: open flow, closed flow, washable, non-washable, central feed, corner feed, etc.
(5)Filter plate clamping methods include: clamping and hydraulic cylinder clamping. For filter presses with special requirements, solutions can be negotiated separately.
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