Band press filter with mud fixing belt

Abstract

The invention discloses a solid-liquid separation device, in particular to a draper-type press filter with a mud fixing draper. The draper-type press filter with the mud fixing draper consists essentially of a chassis, a driving device, a feeding device, a pressing and filtering area and an auxiliary device. The pressing and filtering area comprises a press roll and filtering strips and is arranged on the chassis; the driving device is connected with the press roll; the filter strips are wrapped outside the press roll; the feeding device faces a feeding inlet of the pressing and filtering area and the auxiliary device is positioned at the corresponding position of the filter strips. The structure of the solid-liquid separation device is characterized in that: the solid-liquid separation device also comprises the mud fixing draper which is folded between an upper filter strip and a lower filter strip and wrapped outside the press roll together with the lower filter strip. The solid-liquid separation device effectively overcomes the defects of material escaping and unsmooth feeding of the draper-type press filter existing in the prior art, guarantees the normal operation of the press filter and greatly promotes the dehydration output of the draper-type press filter.

Description

technical field [0001] The invention relates to a solid-liquid separation device, in particular to a device for treating industrial sludge in papermaking industry, chemical industry, food industry, etc., river sludge excavated in water conservancy dredging and dredging projects, farm sludge, and domestic sewage. Belt filter press with solid mud belt for dehydration of various organic and inorganic micro-particle liquid materials such as mud. Background technique [0002] The belt filter press is dewatered through press rollers, and the dewatering process is a process in which the dehydrated material sandwiched in the interlayer composed of two filter belts is squeezed and dehydrated by the press rollers. After entering the press filter area, the pressure increases, and the dehydrated material sandwiched between the two filter belts will be thinned. When the dehydrated material has a high moisture content, low flow resistance, and difficult dehydration, the dehydrated materia...

AI Technical Summary

Problems solved by technology

However, neither of these two sets of technical solutions can solve the problem of retreat of the dehydrated material at the feed inlet due to insufficient friction, which limits the implementation

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