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Control function and concentration characteristics of sludge dewatering screw press

The sludge dewatering screw press is mainly made of 304 stainless steel during the production process. The bracket is 8 mm thick, the screw shaft and the disc shell can greatly improve the corrosion resistance and increase the service life of the equipment to a certain extent. .

The screw shaft and disc of the sludge dewatering screw press adopt laser cutting and full welding process to protect the service life of the spindle and the disc, do not affect each other, and have spray, automatic flushing to avoid blockage and secondary pollution. Two AC variable frequency motors + two inverters are used to drive the drum and the screw respectively, and the differential speed is adjusted by adjusting the speed of the secondary motor. Another increase in differential speed automatic control.

The sludge dewatering screw press is driven by an AC variable frequency motor + inverter to drive the drum, and a hydraulic motor with an independent hydraulic pump drives the screw to adjust the differential speed by adjusting the flow of the hydraulic pump during operation. The differential speed can be adjusted automatically according to the push load. The stacked screw sludge dewatering machine can not only process high-concentration sludge, but also directly concentrate and dewater the low-concentration sludge. The applicable sludge concentration range is up to 3000mg/L-50000mg/L.

After the sludge dewatering screw press is equipped with the proprietary rotary pre-concentration device, it is better at handling low-concentration sludge, and the treatment effect is more stable and the treatment volume is larger. Improve the existing gravity concentration characteristics, achieve high-concentration sludge concentration, and achieve flocculation and concentration in the integration, reducing the subsequent dehydration pressure.

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