Belt juicer works
1. Pretreatment stage. The solids content of the original slurry is generally very low, and the slurry concentration must be increased by gravity or other means to reduce the processing cost. The commonly used pretreatment method is: mixing the concentrated sludge with the high-molecular flocculant, the material is agglomerated by the flocculant, and the fine particles are aggregated and precipitated initially, which is a preparation condition for the sludge dewatering on the sludge.
2. Gravity dehydration stage. The flocculated pretreated sludge is added to the filter belt, and under the action of gravity, the free water outside the floc is filtered through the filter belt to reduce the water content of the sludge.
3. Wedge preloading dehydration stage. After the gravity dewatering, the sludge begins to enter the wedge-shaped pressing section, and the gap of the filter belt is gradually reduced, and the extrusion and shearing action is applied to the sludge to dehydrate the sludge again. After this stage, the sludge fluidity is almost completely lost, thus ensuring that under normal conditions, the sludge will not be squeezed out in the press dewatering section.
4. Pressing and dewatering stage. The sludge is repeatedly squeezed and sheared by a carefully designed press roll system to remove a large amount of capillary water, so that the sludge moisture is gradually reduced to form a sludge filter cake. At the separation of the filter belt, the filter cake is discharged. The knife is scraped off. After the unloading, the filter cloth is washed and enters the next cycle.
Belt juicer performance characteristics
1. Using advanced Austrian technology, the appearance is beautiful.
2. The structure has large rigidity, stable operation and low noise.
3. The advanced concentrated pretreatment equipment is equipped with good flocculation effect and low operating cost.
4. The gravity dewatering zone is equipped with an advanced distributor to make the material evenly distributed and extend the life of the filter belt.
5. With an ultra-long gravity dewatering zone and wedge-type dewatering zone, the material is dehydrated enough to ensure that the material does not overflow in the pressurization zone.
6. The roller arrangement is scientific and orderly, and gravity dehydration, wedge dehydration, and press dehydration are respectively discharged without mutual interference. The press dewatering roller has a large diameter ratio and a good dewatering effect, so the production capacity is large, energy saving and high efficiency.
7. Continuous operation from feeding to discharging mud cake, high degree of automation, PLC interface can be set as needed to facilitate centralized control of the microcomputer.
8. The power transmission mechanism adopts mechanical or variable frequency stepless speed regulation, which has large speed regulation range and wide adaptability.
9. With a reliable backwashing device to ensure the dewatering effect of the filter belt.
10. Pneumatic tensioning and pneumatic automatic correcting device are adopted to ensure the safe and normal operation of the filter belt.
11. Safe and reliable operation, using infrared safety protection and a full range of emergency safety parking devices.
12. Different sizes of filter belts can be configured according to different materials, and the filtration precision is high.
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