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Method for treating domestic garbage by utilizing biotechnology

A technology of domestic waste and biotechnology, which is applied in the field of domestic waste treatment by biotechnology, can solve the problems of large area, failure to realize waste resource utilization and reduction goals, and large one-time investment, so as to reduce costs Effect

Inactive Publication Date: 2013-08-28
冯国恒
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages are: ①The one-time investment is relatively large
②It occupies a large area, especially in the current situation where the land supply is getting tighter and tighter, it shows its shortcomings
③Failed to achieve the goal of resource utilization and reduction of waste
The disadvantage is that the daily domestic garbage processing capacity is required to be more than 300 tons. If it is lower than this standard, the investment and operation are not cost-effective.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0059] A method of using biotechnology to process household garbage. Domestic garbage is put into a storage pool, and the apron feeder is sent to a bag breaker for crushing and bag breaking, and corn stalks are added to be crushed by a straw crusher. The amount of corn stalks added is 10% of the weight of the garbage. %, and then mixed by a mixer, and mixed with 1.5% of the weight of the mixed material in the mixed material for aerobic composting fermentation. agent; stacking for aerobic composting fermentation, ventilated fermentation process to maintain stacking temperature 45 ℃ - 65 ℃, humidity 40% - 50%, fermentation for 16 days, and then comprehensive sorting by screening machine, comprehensive sorting can sort out different of resource utilization:

[0060] 1) The first type: the sorted metal objects are recycled and processed;

[0061] 2) The second type: the sorted plastics are packaged and recycled or made into wood-plastic panels;

[0062] 3) The third type: the so...

Embodiment 2

[0068] The difference from Example 1 is that the starter is Baiyibao EM stock solution (produced by Zhengzhou Baiyibao Biotechnology Co., Ltd.) and the deodorant is "Wanjiefen" microbial deodorant (produced by Shaanxi Fuan Biotechnology Co., Ltd. ).

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Abstract

The invention relates to a method for treating domestic garbage by utilizing biotechnology. The method comprises the steps of storing domestic garbage into a storage pool, feeding into a bag breaking machine for grinding and breaking bags through a plate type feeder, deodorizing, adding straws, fermenting, turning over and stirring by an automatic walking machine, spreading bacteria, turning over and stirring, keeping the temperature at 45 DEG C-60 DEG C for more than 14 days during which turning over and stirring for three to five times, then carrying out comprehensive sorting by a screening machine to obtain organic matters which can be used for production of special fertilizer for greening, metal recovery, comprehensive matter filling, plastic packaging recovery or production of wood-plastic boards. The method has the advantages that 100-120 tonnage of domestic garbage can be treated every day currently. The domestic garbage is degraded through fermentation, harmlessness can be achieved, the garbage volume reduction can achieve 80%, and further the labor intensity for later comprehensive sorting can be reduced by 60%, and the cost can be lowered by 25%.

Description

technical field [0001] The invention relates to a method for turning solid waste into useful things, in particular to a method for treating domestic waste with biotechnology. Background technique [0002] Municipal solid waste disposal has been included in the important content of urban construction and management by governments at all levels. With the further development of my country's economy and society, and the strengthening of government financial resources, the traditional, simple, and single landfill methods are replaced by sanitary landfill, incineration power generation, and diversified comprehensive treatment. The new waste disposal standard should meet the requirements of recycling, harmless and reduction of waste. So far, regardless of domestic or foreign, municipal solid waste treatment can basically be summarized in the following ways: [0003] 1. "Sanitary" landfill, which is a method commonly used at home and abroad. The advantage is that the technical op...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F17/02C05F15/00B09B3/00
CPCY02W30/78
Inventor 冯国恒
Owner 冯国恒