Belt filter press for sludge dewatering

sludge treatment belt filter press

Belt filter press is widely used in urban sewage treatment, chemical, oil refining, metallurgy, paper making, leather, food, coal washing, printing and dyeing and other sludge dewatering. The machine runs continuously, with high degree of automation, energy saving, high efficiency and maintenance. Convenient, it is the ideal equipment for sludge dewatering.

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Working principle

The sewage enters the sedimentation tank through the mud pump, and the metering pump adds the medicament to the sedimentation tank. The sewage is quickly precipitated by the action of the medicament, and the mud pump pumps the precipitated mud to the sludge dewatering machine. First, the gravity is dehydrated on the filter belt, and then enters the sputum area, and the mud will be pulverized. The sputum, the mud will quickly condense under the action of the agent, remove excess water, and dehydrate again. Finally, in the section of the two filter belts, the dewatering rolls consisting of various “S” types are finally subjected to deep dewatering.Some materials require pre-dehydration. Two pre-dryers are used for pre-dewatering. The sludge particles mixed with the flocculant in the pre-dewatering machine are left in the machine, and the water flows out of the machine through the filter cloth. After the mud has accumulated a certain amount, the mud falls from the outlet of the pre-dryer onto the belt filter press.

belt filter press machine


The belt filter press can easily filter the condensed sludge and greatly improve the processing capacity. The structure is simple, the operation is simple, and the maintenance is convenient. Special concave roller design, large processing capacity and low water content.

High-quality patented filter belt, the filtrate is separated quickly, the mud cake peeling performance is excellent, and the sludge residual amount is small. The sludge capture rate is good and the efficiency is high. High stability and excellent durability. No noise and vibration. Reduce electricity consumption.

The structure of the belt filter press

The belt filter press is mainly composed of a driving device, a frame, a pressure roller, an upper filter belt, a lower filter belt, a filter belt tensioning device, a filter belt cleaning device, a discharge device, a gas control system, and an electric control system. Belt filter presses are widely used in environmental protection, municipal, mining, power, chemical, electronics, food, pharmaceutical, textile and other industries.

Specifications - Technical Data

Model DY2012 DY2512 DY3012 DY3512
Bandwidth(mm) 2000 2500 3000 3500
Length(mm) 12000 12000 12000 12000
Capacity(t) 10 15 20 25
Power(kw) 4+0.75 5.5+0.75 7.5+1.5 7.5+1.5
Size(mm) 12000*2000*2500 12000*3100*2500 12000*3600*2500 12000*4100*2500

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