Product Catalogue
DNT Belt-Type Concentration and Dewatering Integrated Machine
Purpose
The DNT belt-type concentration and dewatering integrated machine is mainly used for concentrating and dewatering the residual sludge or mixed sludge from the biochemical treatment of urban sewage, which is a highly efficient dewatering equipment for forming sludge cakes and can be applied to sludge dewatering in various industries such as water supply and drainage, papermaking, foundry, leather, textile, chemical, food, etc.
Structure and working principle
The equipment is mainly composed of a belt-type concentrator and a dewatering machine. After the sludge is added with coagulant, it undergoes a thorough mixing reaction in the sludge mixer and then flows into the gravity dewatering section. Under the effect of gravity, a large amount of free water in the sludge flows out from the gaps of the filter belt and enters the water collection tank, and then is guided through the wedge pre-pressing section. The sludge is gradually flattened and subjected to a slight squeeze for further dewatering and then enters the S-shaped multi-roller pressing section. The sludge is sandwiched between the upper and lower filter cloths and repeatedly pressed by several rollers with different diameters to cause shearing on the sludge and promote further dewatering to form mud cakes. Finally, the mud cakes are scraped off by a scraper and transported away, while the upper and lower filter belts are washed and reused.
Main features
1. Stepless adjustment of motor drive, adjustable running speed at any time, strong adaptability;
2. Special flushing nozzles and anti-clogging devices to clean the filter belt;
3. The dewatering head stick adopts a T-shaped drain trough, and the pressing water flows out quickly;
4. The gravity dewatering section is inclined to increase the static water head of the sludge, which enhances the dewatering effect and concentrates the sludge thoroughly before pressing.
5. The whole machine has a compact structure, automatic belt deviation correction, low operating noise, low power consumption, less chemical dosage, good dewatering effect and low operating cost.
Model description
