The five kinds of common domestic sludge dewatering equipment

Sludge dewatering treatment has been an important part of sludge treatment, the current domestic sludge dewatering device mainly by the following forms:
(1) vacuum filtration
Vacuum filter dewatering machine can be continuously produced, can also be automatically controlled, but its ancillary equipment, filter filter cloth to be regular recoil cleaning, the operation process is complex, filter cloth is also easy to plug, dehydrated sludge moisture content is high, generally only for Digestion sludge dewatering, so this project should not be used.
(2) plate and frame filter
Plate and frame pressure filter dewatering effect is good, low prices, after dehydration sludge moisture content is low, labor operation intensity in general, operation and management and affordable. In the process design using plate and frame filter.
(3) belt filter
Belt filter press is currently widely used in sewage dewatering equipment, filter belt can be rotated, continuous operation, sludge treatment effect is stable and so on. But the centrifugal dehydration is expensive, the motor power, high operating costs. Only for large-scale sewage treatment works. Therefore, this project should not be used.
(4) sludge drying pool
Strictly speaking, the sludge drying tank should be called the sludge filter field. Because the sludge produced by the sewage treatment station is large, the area of the sludge drying pool is relatively large, the dehydration efficiency is relatively low, the sludge cleaning is inconvenient, Sludge water content is high, liquefied sludge is not subject to disposal of the surrounding environment is bound to secondary pollution, in the design will not be adopted.
(5) high pressure filter
High pressure, low efficiency, high efficiency, high efficiency, high efficiency, high efficiency, low cost, low cost of operation and diversification of equipment to meet the needs of different sludge disposal projects.