Features and working principle of Belt Filter Press

The Gravity belt filter press dehydration method is divided into four vital stages: pretreatment, gravity dehydration, wedge-shaped zone pre-pressing dehydration, and compressing dehydration. Next, let's take a look at the characteristics and working principles of Belt Filter Press. Here are some answers.

Here is the content list:

1. What are the characteristics of Belt Filter Press?

2. The working principle of Belt Filter Press.

What are the characteristics of Belt Filter Press?

First, the belt press machine has a continuous operation, large capacity, low power consumption, low noise, and creates a good environment. Second, the main drive and its speed regulation method is frequency conversion speed regulation. Third, a fully-enclosed gravity belt filter press has a reasonable gas circuit design and high-quality pneumatic components, which ensure the stable operation of the equipment, increase the service life of the equipment, and reduce maintenance costs. Fourth, install an adjustable sludge plow in the gravity dewatering zone, which will take a long time for gravity dewatering, destroy the surface of the sludge and improve the effect of gravity dewatering. Fifth, Belt Filter Press provides users with a complete process guarantee and can provide services such as sludge testing, filter selection, and system debugging according to user requirements.

The working principle of Belt Filter Press.

The working principle of Belt Filter Press is that the flocculated material is uniformly fed into the gravity dehydration zone by the feeding mechanism. The horizontal movement time of this section is long and the angle rise is small. The material moves with the filter belt. Under the action of gravity, free water is separated from the flocs, removing most of the free water in the material. The material almost loses its fluidity and is scraped to the filter press by the scraper. The material flows into the wedge-shaped area, where the filtered slurry is squeezed smoothly and evenly. The wedge-shaped area formed by the upper and lower filter belts changes from large to small. The two filter belts are finally closed, and the power of the filtered slurry between the pressed filter belts increases. The stronger the water is, the water will continue to be discharged from the filtered slurry. At this time, the mud has completely lost its fluidity and is ready for the next step to enter the press area. The press rolls in the press dewatering zone are arranged from large to small in diameter, and the squeezing force on the material gradually increases from small to large. After pressing, displacing, and shearing multiple S-lined rollers, most of the intercellular water is removed, and the sludge dewatering is completed. Once the filter belt passes through the unloading mechanism, the mud cake is scraped from the filter belt by the hand tool. When improvement and regeneration, the higher and lower filter belts come back to the gravity dehydration zone to complete a sludge dehydration cycle.

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