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The company has transferred a large number of used filter press, second hand plate frame filter press, second hand box filter press, second hand diaphragm filter press
In office
US $5651.31
Collection
Classification
Chemical equipment-Filter press
Area
Shandong Province,China
Quantity
6set
Brand
Large,
Delivery time
2013-12-01 00:00:00
Colour
90% new
Type
150 square
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Product description

The company transferred a large number of second-hand filter press, second-hand box filter press, second-hand diaphragm filter press, a total of more than 100 sets of manufacturers for Jingjin Hangzhou Xingyuan Hengshui Haijiang model range from 10 square meters to 800 square meters, all filter press all 90% of the new supporting hydraulic box control cabinet can be used, welcome to purchase 1: The plate and frame filter press (plate and frame filter press) consists of a group of filter chambers composed of alternately arranged filter plates and filter frames. The surface of the filter plate is grooved, and its protruding part is used to support the filter cloth. The filter plate is composed of an integral filter plate, an inlet hole and a filter inlet. There are handles on both sides of the plate and the frame to support on the beam, and the pressing device is used to compress the plate and frame. The filter cloth between the plate and the frame acts as a sealing gasket. The suspension hydraulic pressure is fed into the filter chamber by the feed pump, and the filter residue is formed on the filter cloth until the filter chamber is filled. The filtrate passes through the filter cloth and flows along the filter plate groove to the edge channel of the plate frame, and is discharged centrally. After filtration, the filter residue can be washed with washing water. After washing, sometimes compressed air is introduced to remove the remaining washing liquid. Then open the filter press to remove the filter residue, clean the filter cloth, and re press the plate and frame to start the next working cycle. 2: The plate and frame filter press is suitable for suspension with high compressibility or near incompressibility. The concentration of solid particles in the suitable suspension is generally less than 10%, the operating pressure is generally 0.3 ~ 0.6 MPa, and the special suspension can reach 3 MPa or higher. The filtering area can be increased or decreased with the number of boards and frames used. The plate frame is usually square. The inner side length of the filter frame is 200-2000 mm, the thickness of the frame is 16-80 mm, and the filtering area is 0.5-1200 square meters. The plate and frame are pressed by manual screw, electric screw and hydraulic pressure. The plates and frames are made of wood, cast iron, cast steel, stainless steel, polypropylene and rubber. The structure and working principle of the box type filter press is similar to that of the plate and frame filter press. The difference is that the two sides of the filter plate are concave, and each two pieces of filter plate are combined into a box shaped filter chamber. The filter frame is omitted, and there is a round hole in the center of the filter plate from which the suspension flows into each filter chamber. This filter is not suitable for high pressure filter. The hydraulic pressing mechanism of filter press is composed of hydraulic station, oil cylinder, piston, piston rod and huffland card hydraulic station connected by piston rod and pressing plate, including motor, oil pump, relief valve (pressure regulating) reversing valve, pressure gauge, oil circuit and oil tank. Filtration mode: filtrate outflow mode is clear flow filtration and subsurface flow filtration. For open flow filtration, a water nozzle is arranged on the liquid outlet hole at the bottom of each filter plate, and the filtrate flows out directly from the water nozzle. The bottom of each filter plate is provided with a liquid outlet channel hole, and the liquid outlet holes of several filter plates are connected to form a liquid outlet channel, which is discharged by the pipeline connected with the liquid outlet holes under the thrust plate. Washing method: when the filter cake needs washing, sometimes the flow one-way washing and two-way washing, the dark flow one-way washing and two-way washing. 1: As a mature dewatering equipment, filter press is widely used in the field of environmental protection and becomes an important equipment for sewage sludge treatment. 2: Mechanical dewatering of sludge is mainly to remove the capillary water between sludge particles. The moisture content of sludge after conventional mechanical dewatering is usually 65% - 80%, which is in the shape of sludge cake. 3: Mechanical dewatering equipment used to be mainly belt filter press, plate and frame filter press and horizontal screw sedimentation centrifuge. Now, box filter press, vertical hydraulic filter press, diaphragm machine and high pressure plate frame machine are commonly used. 4: When using sludge landfill, sludge dewatering can greatly reduce the accumulation site of sludge and save the cost during transportation; when composting the sludge, sludge dehydration can ensure the smooth progress of composting (generally, lower moisture content of sludge is required during composting process); if the sludge is burned and centralized treatment, the sludge dewatering rate is high, which can greatly reduce the heat consumption and reduce the cost of transportation Hazardous material treatment costs. 5: However, the sludge is not easy to dehydrate due to its complex composition, low relative density, fine particles and colloidal state. So far, except for the ultra-high pressure vertical hydraulic filter press, the drying process has been added to other filter presses to reduce the residual oil (liquid) rate. 6: The belt filter press has low mechanical and electrical consumption, low moisture content of filter cake of plastic plate and frame filter press, but horizontal screw sedimentation centrifuge has strong adaptability to sludge flow fluctuation, good sealing performance, large treatment capacity and small land occupation. In the past, centrifuges, belt filter press and plate and frame filter press were used in most of the sewage treatment plants in China. Now commonly used box filter press, diaphragm filter press, and ultra-high pressure vertical hydraulic filter press, with unique technology, are ideal equipment for sludge dewatering.

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