Product Details

Overview
The Dy series carbon steel belt filter press is a new model developed by our company based on our technology. It is widely used for sludge dewatering in industries such as urban sewage treatment, chemical industry, refining, metallurgy, papermaking, leather making, food, coal washing, printing and dyeing. The machine operates continuously, with a high degree of automation, energy saving, and convenient use and maintenance.

structural characteristics

1. Adopting Austrian technology, the appearance is beautiful and elegant.
2. High structural rigidity, smooth operation, and low noise.
3. The configured concentration pretreatment equipment has good coagulation effect on sludge and low operating cost.
4. The fabric dispenser configured in the gravity dehydration zone ensures uniform distribution of materials and prolongs the lifespan of the filter belt.
5. It has an ultra long gravity dehydration zone and a wedge-shaped dehydration zone, ensuring sufficient material dehydration and preventing material overflow in the pressing zone.
6. The roller system is arranged in a scientific and orderly manner, with gravity dewatering, wedge dewatering, and press dewatering being discharged separately without interfering with each other. The diameter ratio of the press dewatering roller is large, resulting in good dewatering effect and high production capacity, which is energy-saving.
7. Continuous operation from feeding to discharging mud cake, with high degree of automation. PLC interface can be set up as needed for centralized control by microcomputer.
8. The power transmission mechanism adopts mechanical or variable frequency stepless speed regulation, with a large speed range and wide adaptability.
9. Equipped with a reliable backwash device to ensure the dewatering effect of the filter belt.
10. Adopt pneumatic tensioning and pneumatic automatic correction device to ensure the safe and normal operation of the filter belt.
11. The operation is safe and reliable, using infrared safety protection and emergency safety parking devices.
12. Different specifications and models of filter belts can be configured according to different materials, with high filtration accuracy.

Structure and Principle

The DY series belt press is mainly composed of a drive mechanism, a sludge distribution mechanism, a filter belt, a tensioning mechanism, an automatic deviation adjustment mechanism, a filter belt flushing mechanism, a mud scraping mechanism, a gravity dewatering zone, a wedge-shaped dewatering zone, a pressing dewatering zone, and a frame.
The working process is that the sludge after flocculation treatment enters the sludge distribution mechanism and first passes through the gravity dewatering zone, which is a long horizontal movement section and a small angle ascending section; The filter slurry moves along with the filter belt on the filter belt; Under the action of gravity, free water separates from flocs, removing most of the free water in the filter slurry, and the filter slurry basically loses its fluidity. Then enter the wedge-shaped space from small to large, and the two filter belts are closed, gradually increasing the squeezing force on the filter slurry sandwiched in the middle, and the water is discharged from the filter slurry in stages. At this point, the mud has lost its fluidity and is ready for the next step of entering the press dewatering zone. The pressing rollers in the dewatering area are arranged in order of diameter from large to small, and the pressing force on the filter slurry gradually increases from small to large. After several S-shaped pressing rolls are used to press and shear the filter cake, the filter slurry removes most of the saturated water and completes the dewatering of the sludge. When the filter belt passes through the unloading device, the mud cake is scraped off from the filter belt by a scraper. After cleaning and regeneration, the upper and lower filter belts return to the gravity dewatering zone to complete the next step of sludge dewatering cycle.

1. Rack 2. Fabric device 3. Upper liquid tray 4. Dehydration roller system
5. Squeezing roller system 6. Tensioning device 7. Liquid receiving tray 8. Washing device
9. Adjust the deviation roller 10. Upper filter belt 11. Upper scraper 12. Lower scraper
13. Drive device 14. Lower filter belt 15. Lower deflection roller 16. Lower liquid receiving tray