Municipal sludge and engineering slurry co-processing device and co-processing method thereof

Abstract

The invention discloses a municipal sludge and engineering slurry co-processing device, and belongs to the technical field of sludge treatment. The municipal sludge and engineering slurry co-processing device comprises a ball mill, a plate-and-frame filter press is arranged on one side of the ball mill, and a convenient cooling assembly is arranged at the bottom end of the ball mill; the convenient cooling assembly comprises a collecting tank, a fiber filter screen, a flow guide pipe, a mounting frame, a water pump and a spraying pipe, the collecting tank is arranged at the bottom end of the ball mill, the fiber filter screen is arranged in the collecting tank, the mounting frame is arranged at the upper end of the collecting tank, and the water pump is arranged at the upper end of the mounting frame. A flow guide pipe is arranged at the bottom end of the water pump, and the spraying pipe is arranged at the upper end of the water pump; by arranging the convenient cooling assembly, the water pump pumps the cooling liquid to continuously cool the gear on the surface of the ball mill, so that the continuous working stability of the ball mill is ensured, the energy consumption is reduced, the working quality is improved, municipal sludge and engineering slurry can be fully mixed, and the use effect is improved.

Description

technical field [0001] The invention belongs to the technical field of sludge treatment, and in particular relates to a municipal sludge and engineering mud co-processing device and a co-processing method thereof. Background technique [0002] Municipal sludge is the residue of municipal sewage treatment, which has the characteristics of high water content (about 80%), viscous, difficult to dehydrate, and easy to rot and smell. Engineering mud refers to the mud-water mixture produced during construction, tunnel engineering, foundation engineering, etc. Its main components are clay and fine sand, with a moisture content of about 80-90%. It has good fluidity and is easy to dehydrate. Various flocculants still need to be added before. [0003] There are following problems in prior art: [0004] 1. The prior art mainly uses high-speed stirring to mix municipal sludge and engineering mud evenly in batches, and the operating efficiency is low. Moreover, because the municipal sl...

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Problems solved by technology

[0004] 1. The existing technology mainly adopts the method of high-speed stirring to mix municipal sludge and engineering mud evenly in batches, and the operating efficiency is low

Moreover, because the municipal sludge is relatively viscous, the energy consumption of the mixing process is high, and the fine sand in the engineering mud will accelerate the wear of the mixing paddle;

[0005] 2. During the use of the ball mill, the gears on the surface cannot be cooled and dissipated, which affects the stability of the ball mill, reduces the grinding efficiency, affects the grinding quality, and cannot ensure the full mixing of municipal sludge and engineering mud;

[0006] 3. After the ball mill fully mixes the municipal sludge and engineering mud, it is impossible to take out the mixed slurry conveniently, and the direct export may cause the slurry to splash, resulting in waste of slurry and affecting the quality of the working environment;

[0007] 4. After the plate and frame filter press is used to filter and dehydrate the mixed slurry, the mud cake cannot be quickly and conveniently taken out from the bottom of the filter press for recycling, which wastes manpower and material resources, and the work cost is high

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