A filter press is a mechanical device used to filter and separate solids and liquids. A pump is required to transport materials. So what kind of pump is used in the filter press?
It is understood that the feed pump used in the filter press is not an ordinary centrifugal water pump, but a special pump for the press. Compared with ordinary centrifugal water pumps, it has the following characteristics: from the large flow of material in the early stage of feeding to the long time in the later stage of pressing High pressure is forced, and the motor cannot be overloaded: the performance curve is steep, and as the feeding resistance changes, the automatic conversion between large flow and low pressure and small flow and high pressure is realized, and high pressure is always maintained without leakage.
The special pump for the filter press adopts a double impeller structure and a reverse-mounted impeller and negative pressure sealing structure, which solves the problems of operation without overload, pump holding, leakage, etc., and can achieve low speed and high pressure, reducing the wear of the water pump.
Belt filter press is widely used for sludge dehydration in urban sewage treatment, chemical industry, oil refining, metallurgy, papermaking, tanning, food, coal washing, printing and dyeing and other industries. The machine operates continuously, has a high degree of automation, energy saving, high efficiency, and is easy to use and maintain. Convenient and ideal equipment for sludge dewatering.
Structural features
1. Using advanced Australian technology, the appearance is beautiful and elegant.
2. High structural rigidity, smooth operation and low noise.
3. Equipped with advanced concentration pretreatment equipment (good for sludge flocculation) and low operating cost.
4. The gravity dewatering area is equipped with advanced distributors to distribute materials evenly and extend the life of the filter belt.
5. It has an extra-long gravity dewatering zone and a wedge-shaped dewatering zone, which fully dehydrates the material and ensures that the material will not overflow in the pressing zone.
6. The roller system is arranged scientifically and orderly. Gravity dehydration, wedge dehydration and press dehydration are discharged separately without interfering with each other. The diameter ratio of the press dehydration roller is large and the dehydration effect is good. Therefore, it has large production capacity, energy saving and high efficiency.
7. The continuous operation from feeding to mud cake discharge has a high degree of automation. A PLC interface can be set up as needed to facilitate centralized microcomputer control.
8. The power transmission mechanism adopts mechanical or variable frequency stepless speed regulation, with a large speed regulation range and wide adaptability.
9. The filter belt is equipped with a reliable backwash device to ensure the dehydration effect of the filter belt.
10. Use pneumatic tensioning and pneumatic automatic deviation correction devices to ensure the safe and normal operation of the filter belt.
11. The operation is safe and reliable, using infrared safety protection and a full range of emergency safety parking devices.
12. Filter belts with different structures can be configured according to different materials to achieve high filtration accuracy.
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