The belt sludge Filter Press has the advantages of high automation, simple process, continuous operation, simple control operation and schedulable work process, thus eliminating the need for sludge thickening tanks and saving construction funds to a certain extent, making it more and more widely used.

Operation of belt Sludge filter press: The flocculated sludge first enters the gravity dehydration zone, and most of the free water is filtered out through the filter belt under the effect of gravity. As the filter belt runs, the sludge enters the wedge-shaped zone composed of two filter belts. The two filter belts slowly pressurize the sludge, and the sludge gradually thickens, the fluidity decreases, and it transitions to the pressing zone; in the pressing zone, the sludge is subjected to the increasing extrusion force and the shear force generated by the upper and lower position replacement changes of the two filter belts. Most of the free water and interstitial water remaining in the sludge are filtered out, and the sludge becomes a sheet filter cake with a low moisture content; the upper and lower filter belts are separated by the discharge roller, and the filter cake is scraped off by the change of the filter belt curvature and the scraper is used to complete the solid-liquid separation of the material, and the upper and lower filter belts are reused after flushing for the next cycle of concentrated filtration.

In practical engineering applications, the technical economic indicators involved in the belt filter press are: ① treatment capacity ② mud cake moisture content ③ chemical agent dosage ④ power consumption ⑤ flushing water consumption ⑥ belt tension ⑦ effective bandwidth ⑧ filter belt running speed ⑨ air source pressure and other primary indicators. Among them, the treatment capacity is the comprehensive performance indicator for evaluating the belt filter press.

There are many factors that affect the treatment capacity of the belt filter press, but they are mainly reflected in the gravity dehydration area, the pressing area and its filter belt running speed, the filter belt tension, the roller diameter (size, wrap angle and center distance), the filter belt (air permeability) selection, the dosing scheduling effect, etc., which is also a comprehensive reflection of the quality of the belt filter press structure design, production and manufacturing. Therefore, understanding the calculation method of the belt filter press treatment capacity has a certain guiding significance for the optimization design of the belt filter press, the selection of operating parameters, and the selection of reasonable dosing dosage.

If you also need to treat the sludge wastewater generated in the sand field or construction industry, it is very appropriate to choose a belt filter press.