Screw sludge thickner has high dehydration efficiency

 

Screw sludge thickner is a water treatment system widely used in municipal sewage treatment projects and petrochemical, light industry, chemical fiber, papermaking, pharmaceutical, leather and other industrial industries.

Dewatering principle of screw sludge dehydrator

After gravity thickening in the thickening section, the sludge is transported to the dehydration section. In the process of moving forward, with the filter slot and pitch becoming smaller, and under the blocking effect of the back pressure plate, a large internal pressure is generated, and the volume continues to shrink, so as to achieve the purpose of full dehydration.

1. It has a high degree of automation. Using the principle of continuous operation, it can be linked with the sludge pump and dosing pump for linkage control to realize automatic operation and automatic sludge discharge. It is also equipped with automatic spray cleaning equipment to allow us to be cleaned before the shutdown of the one-day operation.

2. In terms of operation, we only need to debug the sludge feeding operation effect at the beginning of installation, and there is no need for other operations when the water concentration in the sludge tank is stable. We only need to operate the electric control cabinet for operation.

3. The screw stacking machine can realize 24-hour operation, effectively reduce labor intensity and manual operation frequency, and the stainless steel material of the equipment ensures the service life.

In summary, the Stachys sludge dehydrator adopts automatic control from extracting sludge, injecting liquid medicine and discharging sludge cake. It is linked with the drug dispenser, sludge inlet pump, dosing pump, etc. through the electric control cabinet. It does not need personnel to operate the equipment, and there will be no blockage, filtration deviation or other phenomena that affect the process safety during operation. The daily maintenance is simple, and it can be operated continuously unattended for 24 hours. It is the first time to realize the continuous and automatic operation of sludge dewatering in a real sense. The rotating speed of the screw shaft is about 2~3 R / min, without vibration and very low noise; The lamination has a self-cleaning function, which will not cause blockage. It only needs a small amount of water to wash, and there is no secondary pollution; In addition, the sludge operates under such a slow working state, and the odor does not spread, so a very good operating environment is created!

 

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