Shutdown maintenance of vacuum belt filter

If the internal energy of the filtrate of the vacuum belt filter increases, the liquid will also exert pressure on the filter plate. If the filter plate cannot resist, the filtrate will inevitably leak out of the gap of the filter plate, thus greatly reducing the original internal energy of the filtrate. Therefore, the equipment needs to provide pressure to the filter plate, which is greater than the side effect of the filtrate on the filter plate, thus ensuring that the filtrate has higher internal energy and improving the filtering effect. The higher the pressure provided by the equipment to the filter plate, the higher the internal pressure of the filtrate that the equipment can filter, and the higher the working efficiency of the equipment.

The mesh number of the filter cloth is too small: the mesh number is an important parameter for the filter cloth of the diaphragm filter press, which indicates the size of the filter holes existing in the filter cloth. when the mesh number is smaller, when the filter holes are larger than the solids to be intercepted, there are many solid particles passing through the filter cloth in the normal way, thus causing the filtered liquid to be turbid at all. The plate frame of the plate filter press forms the filter chamber of the equipment, when the number of plates and frames does not meet the specifications, it will seriously affect the efficiency and results of the equipment.

The filter material of the belt vacuum filter can be replaced by itself, but what kind of filter medium should be used to make the box filter press play a strong filtering effect? Before choosing the right filter medium, we need to know what kind of filter medium we have and what characteristics it has.

Belt vacuum filter filtration mechanism: There are two main types of fluid filtration mechanism.

One is based on the size of the particles, such as interception, screening and surface entrapment; the other is adsorption, that is, the particles adhere to the filter under the action of chemical/electric charge. This requires pharmaceutical companies to choose different filter membranes according to actual needs. Vacuum filtration fluid characteristics: related to fluid characteristics. For example, the viscosity and chemical/ionic composition of the fluid, the greater the viscosity of the fluid, the slower the flow rate under the same pressure, the more contact between the fluid and the membrane, the better the filtration effect of the vacuum filter, for example, the greater the influence of the mixing/contact time of the fluid and the membrane on the filtration effect, the longer the mixing/contact time, the better the filtration effect. In addition, it should be noted that the characteristics of the fluid only affect the adsorption and retention of the fluid by the membrane, and do not affect the removal of particle size. The operating conditions of the vacuum filter are related to the actual operating conditions, such as the flow rate of the particles and the filtration pressure.

We need to maintain the machine regularly so that we can work more efficiently.

A filter is a device that removes a small amount of solid particles from a liquid. When the fluid enters the filter element of a certain specification, its impurities are blocked, and the clean filtrate is discharged from the filter port. When cleaning is required, screw the plug to the bottom of the tube, drain the liquid, remove the flange cover, take out the filter element, and then reinstall the filter element. As we all know, the core element of the filter is the filter membrane, which is a membrane filled with more pores prepared on the microporous support layer (support layer). Materials for manufacturing filtration membranes have many materials, which are classified into organic membranes (e. g., polymer hollow fiber membranes) and inorganic membranes (e. g., ceramic membranes). The membrane filter has high filtration accuracy, particle size control is not disorderly, and backwashing can easily restore function. Therefore, the use of maintenance is very convenient.

For the filter cloth of the small plate and frame filter press, a common feature is that it is insoluble in water and can be penetrated by water.

Due to the incorrect installation of the self-priming pump device, the user should fix the self-priming pump on the bracket welded by the triangle iron, because the triangle iron frame is too single, and only a small amount of the self-priming pump base is in contact with the triangle iron. The method is incorrect. Remove the wooden strips and fix the pump on a hard and flat ground.

Misalignment of the coiler or other rolls may also result in misalignment and wrinkling. This misalignment is shown as a diagonal deflection of the fabric zipper. By adding a balance weight to the sliding adjustment block of the tension wheel, the tension of the drag side of the filter cloth is reduced, and the travel distance of the drag side of the filter cloth is shortened, thereby correcting this phenomenon. This problem can also be caused by misalignment of the filter cloth support rollers and check that all filter cloth support rollers are aligned with the frame. During any such adjustment, the filter cloth should remain in the middle of the filter and should not stand for at least half an hour. Since many filter cloths tend to shrink after wetting, the filter cloths are either too narrow or much larger than the size used. The filter cloth should be stabilized for a period of time before any major adjustments to the calibration are made.

If there is no filter plate, the plate and frame filter press will not work.