Bulk material rocking type sieving machine with sieving body additionally provided with anti-blockage comb

Abstract

A bulk material rocking type sieving machine with a sieving body additionally provided with an anti-blockage comb comprises a machine frame, a feed hopper, the plane sieving body arranged in an inclined mode relative to the ground, and a sieving body drive device. As an improvement, a sieving net in the sieving body is composed of sieving strips arranged in parallel at set intervals, the sieving net mesh anti-blockage comb composed of comb teeth and a tooth base used for fixing the comb teeth into a row is arranged below the sieving net, the comb teeth of the anti-blockage comb extend into corresponding sieving net meshes upwards, and a drive mechanism driving the sieving body and the anti-blockage comb to move in opposite directions is arranged on the machine frame. The bulk material rocking type sieving machine has the advantages that the function of forcedly pulling and removing materials instantly left in the sieving net holes is achieved, the possibility that fault coal high in moisture content, ash content and viscosity blocks a sieve is eliminated, the sieve blocking phenomenon frequently seen in the prior art does not happen any more, and the technical problems disturbing domestic thermal power plant for a long time are solved. Meanwhile, compared with an existing sieving machine, the energy consumption is lowered by more than a half when the same amount of fault coal is sieved.

Description

technical field [0001] The invention belongs to operating machinery, and in particular relates to a bulk material sorting screen. Background technique [0002] Existing screening machines for bulk materials such as coal use more shaker screening machines with flat sieve bodies (surfaces) and drum screening machines with cylindrical sieve bodies (surfaces). The above-mentioned sieving machine can normally operate normally when sieving raw coal whose moisture and ash content do not exceed the standard, and completes the particle size screening operation. However, in my country at present, due to the influence of raw ore quality, human factors in the mining and circulation process, it has become an indisputable fact that most of the raw coal that reaches users is low-quality coal with high water content and high ash content. For thermal power plants that use this kind of raw coal in large quantities, it obviously increases the difficulty of handling the coal before putting it ...

AI Technical Summary

Problems solved by technology

The most prominent performance is in the coal screening process, the screen blocking phenomenon is common, causing the coal screening machine to fail to operate normally or even stop, affecting the overall production efficiency of the power plant

Although technicians in this field have proposed improvement measures from different angles and in different ways, there is no feasible technical solution that can completely solve the problem

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