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A low-cost method for mechanically separating plastics from household waste

A technology for domestic waste and mechanical separation, applied in the direction of plastic recycling, recycling technology, etc., can solve the problems of high processing and separation cost, difficult separation, complicated operation, etc., to achieve a small footprint, low equipment cost, The effect of reducing pollution

Active Publication Date: 2016-06-22
广东春天生态科技集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many technologies about waste treatment and separation, but due to the difficulty of separation and complicated operation, the cost of treatment and separation is high, and it is difficult to put them into practical use.

Method used

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  • A low-cost method for mechanically separating plastics from household waste
  • A low-cost method for mechanically separating plastics from household waste

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] like Figures 1 to 2 As shown, a low-cost method for mechanically separating plastics from household garbage includes a garbage mixing tank, the garbage mixing tank includes a garbage treatment tank 1 and a garbage agitator 3, and a treatment liquid return tank 2 is provided below the garbage treatment tank 1 , the treatment liquid return tank 2 surrounds the surroundings of the garbage disposal tank 1, the area of ​​the treatment liquid return tank 2 is 2-3 times that of the garbage treatment tank 1, and the treatment liquid return tank 2 is connected with the garbage treatment tank 1. There is a treatment liquid return pipe between the pools 1; the specific separation method is: put the garbage in the garbage treatment pool 1, fill the garbage treatment pool 1 with the treatment liquid containing biodegradable bacteria, and the garbage agitator 3 continuously Stir in the treatment tank 1, and the light plastics in the garbage float on the water surface, and the floati...

Embodiment 2

[0044] The difference between this embodiment and Embodiment 1 is that as an optimized method, with the continuous replenishment of the treatment liquid and the agitation of the agitator, the plastic waste with a lighter specific gravity will be flushed into the treatment liquid return tank 2, and the plastic waste will Get separate separation for easy recycling.

[0045] Further, the setting of the stirring paddle 31 is inclined, forming 10-30° with the horizontal plane, then when stirring, the water flow forms a small vortex, which is conducive to pushing up the plastic waste, and the separation effect is good.

Embodiment 3

[0047] like Figures 1 to 2 As shown, a low-cost method for mechanically separating plastics from household garbage includes a garbage mixing tank, the garbage mixing tank includes a garbage treatment tank 1 and a garbage agitator 3, and a treatment liquid return tank 2 is provided below the garbage treatment tank 1 , the treatment liquid return tank 2 surrounds the surroundings of the garbage disposal tank 1, the area of ​​the treatment liquid return tank 2 is 2-3 times that of the garbage treatment tank 1, and the treatment liquid return tank 2 is connected with the garbage treatment tank 1. There is a treatment liquid return pipe between the pools 1; the specific separation method is: put the garbage in the garbage treatment pool 1, fill the garbage treatment pool 1 with the treatment liquid containing biodegradable bacteria, and the garbage agitator 3 continuously Stir in the treatment tank 1, and the light plastics in the garbage float on the water surface, and the floati...

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Abstract

The invention relates to the field of household garbage separation and processing technology, and specifically relates to a low cost method capable of mechanically separating plastic from household garbage. A garbage stirring pool is included in the method, the garbage stirring pool comprises a garbage processing pool and a garbage stirrer, a processing liquid backflow tank is arranged under the garbage processing pool, the processing liquid backflow tank encloses the periphery of the garbage processing pool, the area of the processing liquid backflow tank is 2 to 3 times larger than that of the garbage processing pool, and a processing liquid backflow pipe is arranged between the processing liquid backflow tank and the garbage processing pool. The method comprises the following steps: placing the garbage in the garbage processing pool, filling the garbage processing pool with a processing liquid containing biological degrading bacteria until the pool is full, and continuously stirring the liquid in the garbage processing pool by the garbage stirrer, wherein during the stirring process, plastic, which is lighter, floats on the water surface and thus can be recycled. The provided method has the characteristics of simpleness, convenience, low equipment cost, and high feasibility.

Description

technical field [0001] The invention relates to the separation and treatment technology of household garbage, in particular to a low-cost method for mechanically separating plastics from household garbage. Background technique [0002] At present, domestic garbage pollution has become a major problem that is of great concern and needs to be solved urgently in all countries in the world. With the expansion of cities and the improvement of people's living standards, the amount of domestic garbage is increasing, and the pollution to the environment is also becoming more and more serious. At present, the annual output of urban domestic waste in my country is hundreds of millions of tons, and it is growing at a rate of about 10% every year. Garbage piled up in the suburbs of the city has occupied a large amount of farmland, and most urban garbage treatment facilities are seriously insufficient. Domestic garbage treatment is mainly in the suburbs, simple landfill, and sanitary lan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29B17/02
CPCY02W30/62
Inventor 林小明
Owner 广东春天生态科技集团有限公司
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