The characteristics and working principle of the plate filter press

In addition to the motor, the plate filter press is made of OCr19Ni9 high-quality corrosion-resistant stainless steel material, suitable for filtering various pH value acid-base plate filter press solutions. The machine should be pressurized and sealed, with low filtration loss. The filter quality is good and the efficiency is high. The filtering part is composed of nine layers of filter plates, which has large filtering area and large circulation; and can be replaced according to different production processes (primary filtration, semi-fine filtration, fine filtration) of the filtered solution, different filter membranes, and production flow according to users. The size can appropriately reduce or enhance the number of filter plates, so that this is suitable for production needs, so the machine has a wide range of applications for a wide range of applications; the filter plate uses a flat threaded mesh shape, advanced structure, no deformation, easy to clean, can Effectively increase the service life of various filter membranes, thereby reducing and saving production costs. The stainless steel infusion pump equipped with this machine is equipped with a small motor and consumes less electricity. The rubber wheel is mounted under the base, which is easy to operate and flexible to move.

First step compression

The filter press must be inspected before operation: check whether the filter cloth is folded or overlapped, and the power supply has been connected normally. After the inspection, the pressing operation can be performed. First press the “Start” button, the oil pump starts working, and then press the “pressing” button again, the piston pushes the pressing plate to press, when the pressing force reaches the set high pressure The hydraulic system automatically stops.

Second stepping material

When the filter press is pressed, the feeding operation can be performed: the feed pump is turned on, and the feed valve is slowly opened, and the feed pressure is gradually increased to the normal pressure. At this time, observe the liquid output of the filter press and the leakage between the filter plates. After filtering for a period of time, the liquid output from the filter press is gradually reduced. At this time, the filter residue in the filter chamber is gradually filling, when the liquid outlet is not out. When the liquid or only a small amount of liquid, it is proved that the filter residue in the filter chamber is completely filled to form a filter cake. If the filter cake needs to be washed or air-dried, it can be carried out subsequently, and the unloading operation can be carried out without washing or air drying.

The third step is washing or drying

After the filter press filter is full, the feed pump and feed valve are closed. Open the washing pump or air compressor, slowly open the washing liquid or air inlet valve, and wash or air dry the filter cake into the plate filter press. After the operation is completed, the washing machine or the air compressor and its valves are closed, and the unloading operation can be performed. The fourth step of unloading the cake: first close the feed pump and feed valve, into the washing liquid or air inlet device and valve, and then press the "release" button on the operation panel, the piston rod drives the pressure plate to retreat, retreat to the appropriate After the position, release the “release” button, and manually pull the filter plate to remove the filter cake, and at the same time clean the filter residue stuck on the sealing surface to prevent the filter residue from being caught on the sealing surface to affect the sealing performance and cause leakage. At this point, an operation cycle is completed.

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