Fragment washing machine

Abstract

The invention relates to a fragment washing machine. The fragment washing machine comprises a washing container and washing parts, wherein the washing container is used for accommodating cleaning fluid and fragments needing to be washed, and the washing parts are used for enabling the fragments to roll over in the cleaning fluid. By means of the fragment washing machine provided by the invention, impurities which are difficult to remove through dry dedusting can be further removed through wet washing, so that the impurities in the fragments are decreased, and the follow-up purifying and screening processes are simplified.

Description

technical field [0001] The invention relates to the field of waste recovery and treatment, in particular to a debris washing machine. Background technique [0002] In the recycling of waste, it is necessary to take effective measures to remove impurities such as powder ash and particles in the waste. Taking waste paper recycling as an example, the recycled waste paper includes office waste paper, waste packing boxes, waste cement bags, etc. In order to realize the reuse of waste paper, it is necessary to remove the impurities in the waste paper as much as possible, so that the ash content of the waste paper pulp obtained later is close to that of the base paper (below 5%). [0003] Known waste paper treatment systems include conveyors (belt conveyors or chain conveyors), bulk balers and D-type hydropulpers. In the process of waste paper processing, the waste paper first enters the unpacking machine through the conveyor, rolls and hits the drum of the unpacking machine, and...

AI Technical Summary

Problems solved by technology

[0004] In the above-mentioned waste paper processing system, the structure of the unpacking machine is relatively simple, and it can only remove the impurities on the surface of the waste paper and between the waste papers. For the impurities wrapped in the corners of the waste paper bags, even if the rollers in the unpacking machine roll continuously, It is also difficult to remove; on the other hand, the waste paper treatment process in the above waste paper treatment system is simple, and the waste paper enters the pulping process after simple treatment such as crushing and dry dust removal, and the pulped waste paper becomes fibers. The specific surface area of ​​the fiber is much larger than that of waste paper, and its surface has hydroxyl groups with strong adsorption effect. The hydroxyl groups and fine impurity particles adsorb each other, which is more difficult to remove in the subsequent screening and purification system.

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