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Disposal method and system for municipal solid waste treatment

A technology for municipal solid waste and garbage, applied in the field of environmental protection, can solve the problems of difficult to effectively control dioxin emissions, low calorific value, etc., and achieve the effects of improving physical properties, reducing raw material costs, and improving processing efficiency

Inactive Publication Date: 2012-09-19
谭林立
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is extremely difficult to effectively control the emission of dioxins under the circumstances that domestic municipal solid waste is not sorted and has a high moisture content and low calorific value.

Method used

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  • Disposal method and system for municipal solid waste treatment
  • Disposal method and system for municipal solid waste treatment
  • Disposal method and system for municipal solid waste treatment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0079] Put 80 kg of fine garbage dry powder obtained after steps (1), (2) and (3) in any one of the above examples into a high-speed mixer to preheat to 100~110°C, stir and dry, then slowly Slowly add 1.5 kg of coupling agent, 1 kg of paraffin (lubricant), modification time for 10 minutes, then add 1 kg of stearic acid for modification for 10 minutes, and the fine dry powder of modified garbage after discharge is used as plastic filling modification mother The raw material of the material.

[0080] Add 30 kg of PE powder from the first feeding port of the twin-screw extruder. After the PE powder is melted, add 70 kg of modified fine waste dry powder into the machine barrel (fine waste dry powder) at the downstream side feed port with a side feeder. The adding position, preferably at the place where the PE powder has just melted and has a higher viscosity), the PE powder melt is mixed with the fine garbage dry powder, the fine garbage dry powder is wetted, and the moisture and ...

Embodiment 2

[0082] The difference from Example 1 is that the proportions of plastic PE (powder) for producing plastic filled modified masterbatch, fine garbage dry powder, coupling agent and lubricant are different.

Embodiment 3

[0084] The difference from Example 1 is that the proportions of plastic PE (powder) for producing plastic filled modified masterbatch, fine garbage dry powder, coupling agent and lubricant are different.

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Abstract

The invention discloses a disposal method and system for municipal solid waste treatment. The method comprises the following steps of: (1) sorting and coarse crushing; (2) carrying out primary dewatering, sorting and secondary-crushing treatments; (3) carrying out deep dewatering and fine-crushing treatment; (4) modifying; and (5) carrying out plastic packing on modified masterbatch. The method and the system provided by the invnetion can realize the goals ofreduction, stabilization, harmless, recycling and wide and efficient utilization on the municipal solid waste.

Description

technical field [0001] The invention relates to the field of environmental protection, in particular to a method and system for treating and disposing of municipal solid waste. Background technique [0002] Due to China's current national conditions, municipal solid waste is not classified and collected, so the composition of municipal solid waste varies with time and place, which is very complicated, and the total moisture content of general municipal solid waste is about 50%, so hot low value. At present, the disposal of municipal solid waste mainly adopts methods such as landfill, composting, and incineration. These traditional methods not only cost a lot of money, but also involve secondary pollution and dioxin emissions. Therefore, this worldwide problem has not been solved so far. Easy to solve. [0003] Among them, landfills not only occupy a large amount of land, but also cause serious harm to the social environment and human health due to the secondary pollution, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00B09B5/00
CPCY02E20/12
Inventor 谭林立
Owner 谭林立
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