The filter belt of the Horizontal belt filter press equipment is a key component to achieve solid-liquid separation, and its working process involves multiple stages.
1. Feeding stage
When the material to be filtered is conveyed onto the filter belt, the filter belt begins to work. The material is evenly distributed on the filter belt, and this process is usually completed by a special material distribution device. At this time, the filter belt provides a stable support platform for the material with its own tension and flatness.
2. Gravity dehydration stage
Since the filter belt has a certain degree of permeability, in the absence of external force, part of the liquid in the material begins to penetrate the filter belt under the action of gravity. The liquid penetrates downward through the pores of the filter belt, while the solid particles are trapped on the surface of the filter belt. This stage can remove a considerable amount of free water in the material and reduce the pressure in the subsequent filtration stage.
3. Enter the wedge dehydration stage
In this stage, the filter belt is guided by a series of rollers, so that the upper and lower filter belts gradually close together, and the material is sandwiched in the middle. As the filter belt continues to run, the pressure on the material gradually increases, forming a wedge-shaped pressure area. In this area, the liquid is further squeezed out and the solid particles begin to be compacted.
4. Pressing and dehydration stage
When the filter belt passes through multiple rollers, it is squeezed by the rollers. The diameter and arrangement of these rollers are carefully designed to generate different degrees of pressure. Under the high pressure, the remaining liquid in the material is forced out, and the solid particles are tightly compacted to form a filter cake. At this time, the main function of the filter belt is to withstand the pressure and prevent the solid particles from passing through, while ensuring that the liquid can be discharged smoothly.
5. Unloading stage
When the filter belt runs to the discharge place with the formed filter cake, the filter cake is peeled off from the filter belt by a scraper or other unloading device. After unloading, the filter belt continues to circulate and is cleaned by the cleaning device to remove the residual solid particles and impurities, restore its permeability, and prepare for the next filtering work.
If you are eager to learn more about Horizontal belt filter press equipment , we can answer your questions. You are welcome to contact Wanchuan Environmental Equipment Technology without hesitation. We have an excellent team of professionals, all of whom are industry elites who have been tempered through thousands of trials and tribulations, with profound attainments and rich practical experience.
