Rubber vacuum belt filter is commonly known as vacuum belt filter. It is a new type of solid-liquid separation equipment with a high degree of automation. Rubber vacuum belt filter is generally composed of equipment components such as driving roller, belt support table, feed hopper, filter cloth deviation device, rubber filter belt, vacuum box, filter cloth washing device and rack, etc. It can be fully utilized High-efficiency vacuum separation filter equipment with vacuum suction and material gravity to achieve solid-liquid separation. The most prominent structural features of rubber vacuum belt filter are reflected in the following three aspects: First, in terms of overall structure, it adopts a detachable frame structure, which can ensure the convenience of equipment maintenance and installation and maintenance of the endless tape. Second, using the fixed vacuum box process, the equipment tape moves on the vacuum box, and an annular friction belt is designed between the vacuum box and the tape and sealed with water, so a motion seal structure is formed between the tape and the vacuum box In this form, this sealing water can be used as both a lubricant and a coolant for the sealing device, and ultimately forms a very effective vacuum seal. Third, in the support method of the tape, the vacuum belt filter adopts two methods of air cushion support and water film support. The tape floats on the air cushion or liquid film, which can effectively reduce the friction resistance of the tape operation. Improve work efficiency. The rubber vacuum belt filter uses the filter cloth as the filtering medium, and the ring rubber belt is used as the vacuum chamber as a whole. The endless tape is continuously driven by the motor, and the filter cloth is laid on the tape and synchronously operated, so that the tape is in sliding contact with the vacuum, and the slurry is evenly distributed on the filter cloth by the cloth dispenser. When the vacuum chamber is connected to the vacuum system, a vacuum suction filter area is formed on the tape, and the filtrate passes through the filter cloth and is collected by the horizontal groove on the tape, and enters the vacuum chamber through the small hole, and the solid particles are trapped in A filter cake formed on the filter cloth. The liquid entering the vacuum chamber is discharged out of the machine through the gas-water separator. With the movement of the rubber belt, the formed filter cake will enter the filter cake washing area and the suction drying area in sequence. Unload the filter cake at the cake roll. After cleaning, the filter cloth with filter cake removed is regenerated, and after passing through a set of support rollers and rectification devices, it re-enters the filter area and begins a new filter cycle. Compared with the mobile chamber vacuum filter, the rubber vacuum belt filter improves the shortcomings of removing the vacuum and high energy consumption for each process of the mobile chamber vacuum filter, and realizes continuous operation in a true sense , Continuous filtration, materials can be synchronized synchronously from cutting, vacuum dehydration, filter cake washing, deslagging to filter cloth cleaning. The rubber vacuum belt filter is widely used in paper, food, pharmaceutical, fine chemical, mineral processing, metallurgy, environmental protection and other industries due to its advantages of high filtration efficiency, good washing effect, wide application range, large production capacity and simple operation. application.
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