Operation process of multi disc screw press dewatering machine
Nov 23, 2022
The multi disc screw press dewatering machine is widely used in sewage treatment in all walks of life, creating considerable economic and social benefits for customers. The following editor will briefly introduce the operation process of the screw press dewatering machine.
1. The sludge in the sludge tank transports mercury through the sludge and is transported to the metering tank. There is no return pipe in the sewage tank, and the remaining sludge flows back to the sludge tank through the return pipe.
2. Pour the polymer flocculant into the flocculation mixing tank, stir to form alum flowers, and concentrate by gravity into the floc main concentration part of the dehydration part.
3. The male flowers are concentrated by gravity in the concentration part, a large amount of filtrate is discharged from the filter gap of the concentration part, and the filtrate is sent back to the original pond or the adjustment pond. The thickened sludge continues to advance along the rotation direction of the screw shaft, and is completely dehydrated under the internal pressure formed by the back pressure plate.
4. The pitch of the screw shaft of the dehydration part gradually decreases along the direction of the mud cake discharge port, because the compression of the back pressure plate increases the internal pressure in the main body, and the mud cake is discharged after dehydration is achieved.
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