The necessity of garbage sorting:
The components of Garbage is complicated, diversification and regionalization;
Garbage is harmful for human health, Long degradation process, will cause hazard: Atmosphere, Source of water, soil;The waste is a kind of resource which is generally misplaced, turn the waste into wealth, increasing the utilization efficiency of the waste.
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Carry out the following treatment to the waste after sorting:
1. The plastic bags and some plastic products will be packaged, stored and transported through washing after sorting, which will be used for manufacturing plastic particles and producing plastic products;
2. Classify and store the sorted glass, scrap iron, scrap steel, ring-pull can, etc., and then recycle them.
3. Use the sorted dust, kitchen wastes and some materials which easily get rotten for high temperature synthetic manure fermentation, manufacturing of high quality organic fertilizer and production of fertilizer.
There will be very few residues after the waste sorting, and the subsequent landfill will not take up large space; cause oxidation reaction, or produce the secondary pollution.
Working Principle
Forklift transports the wastes to the loading platform and then the wastes are sent to the plate feeder which can send the wastes to the uniform materials spreader. The wastes will be put uniformly by the spreader and then sent to the belt conveyor.
At the manual sorting platform, bulky materials will be sorted out.
And then in the magnetic separation machine, iron matters will be sorted out. The rest will be sent to a rotating screening machine to be sorted according to diameters.
Wastes below 50 mm, called undersized matters, are mostly organics that can be shipped out and used as fertilizer after picking out iron matters through the magnetic separator. Oversized wastes above 50 mm will be sent to the magnetic separation again to separate materials like irony drink cans or packing tins and then go to the eddy separator to sort non-ferrous matters out.
A comprehensive winnowing machine can sort the wastes into the following types, light plastic waste; heavy materials (e.g. bricks and stones, rubber overshoes, ceramic chips, glasses, etc);and other materials like hard plastic, textile fabrics, rubber products, and wet papers, etc.
The last ring of the process is manual sorting again. light plastic will be sent to the packing machine after sundries being sorted. Usable parts from heavy materials will be sorted out for further treatment and the rest will be transported out for landfill or receive focus utilization.Usable parts from other materials will also be sorted out for further treatment likewise. Hard plastic, textile fabrics, rubber products, and organics can be sold out after being pressed and packed.
As for the combustible wastes, they are usually transported out after pressing and packing and then used to generate electricity or for landfill. Thereinto, a bag breaker can be equipped before the magnetic separator to break the bags inside of the wastes.
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