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Domestic garbage treatment method and its special fermentation room

A treatment method and technology of domestic waste, applied in the field of environmental biology, can solve the problems of wasting land resources, large one-time investment, high operating cost, etc., and achieve the effect of shortening the processing cycle, short processing cycle, and low operating cost

Inactive Publication Date: 2008-02-13
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Garbage sorting collection and treatment is very common in foreign countries, and the technology is relatively mature. There are incineration methods, landfill methods, etc. The defects of these existing methods are mainly large one-time investment, high operating costs, waste of land resources, and are not suitable for small and medium-sized cities. The popularization and application of biocomposting technology has a long period of composting and decomposing, generally 4 to 6 months. It is difficult to control a reasonable water and gas index during the composting fermentation process. The selection of final products, more importantly, the "three wastes" treatment technology is difficult, and it is difficult to meet the standards
The existing domestic waste fermentation bins are all small closed anaerobic tank type fermentation bins, which have high operating costs and are difficult to form large-scale production

Method used

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  • Domestic garbage treatment method and its special fermentation room
  • Domestic garbage treatment method and its special fermentation room

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] See Figure 1. The treatment method of the present invention is mainly aimed at complicated domestic waste, and it comprises the following steps:

[0025] (1) When the garbage passes through the garbage receiving chute, the leachate is collected for use;

[0026] (2) Add Clostridium dung heap and Lactobacillus brucei microorganisms with a concentration of 0.5% to the garbage in the fermentation bin, and the addition amount is 1.0% of the total weight of the garbage, and then use conventional techniques and equipment to break bags and winnow , destroy the plastic bag, make the microorganisms and garbage mix evenly, and collect the leachate for later use;

[0027] (3) spray biological deodorant to the rubbish mixed with microorganisms, and carry out static continuous aerobic composting fermentation for 20 days for the first time, at this moment, rubbish becomes compost material, and when fermentation finishes, make the moisture content of compost material be At the same ...

Embodiment 2

[0032] See Figure 1. The treatment method of the present invention is mainly aimed at complicated domestic waste, and it comprises the following steps:

[0033] (1) When the garbage passes through the garbage receiving chute, the leachate is collected for use;

[0034] (2) adding concentration to the garbage in the fermentation bin is 1.0% Clostridium dung heap, and the addition is 0.5% of the total weight of the garbage, and then utilizes conventional techniques and equipment to carry out bag breaking and winnowing, destroying plastic bags, making Microorganisms and garbage are evenly mixed, and leachate is collected for later use;

[0035] (3) Spray biological deodorant to the garbage mixed with microorganisms, and carry out static continuous aerobic composting for 15 days for the first time. At this time, the garbage becomes compost material. 40%, while collecting the leachate for later use; during each static continuous aerobic composting fermentation process, external w...

Embodiment 3

[0040] See Figure 1. The treatment method of the present invention is mainly aimed at complicated domestic waste, and it comprises the following steps:

[0041] (1) When the garbage passes through the garbage receiving chute, the leachate is collected for use;

[0042] (2) Add Clostridium dung heap and Lactobacillus brucei microorganisms with a concentration of 0.8% to the garbage in the fermentation bin, and the addition amount is 0.7% of the total weight of the garbage, and then use conventional techniques and equipment to break bags and winnow , destroy the plastic bag, make the microorganisms and garbage mix evenly, and collect the leachate for later use;

[0043] (3) spray biological deodorant to the rubbish mixed with microorganisms, and carry out static continuous aerobic composting fermentation for 25 days for the first time, at this moment, rubbish becomes compost material, and when fermentation finishes, make the moisture content of compost material be 30%, while c...

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Abstract

The related treatment method for domestic garbage comprises: adding 0.5-1.0% aerobic microbe into the fermentation room; breaking, air separating, and collecting exudate for standby; taking first fermentation for 15-25day to let water content in compost material as 30-40%, and collecting exudate for standby; adding aerobic microbe again and former exudates to keep water content as 45-55%for second static fermentation for 25-35day. This invention has well effect with low cost.

Description

technical field [0001] The invention relates to the field of environmental biotechnology, in particular to a treatment method for household garbage; the invention also relates to special equipment for the garbage treatment method, in particular to a dedicated fermentation bin for the household garbage treatment method. Background technique [0002] Municipal solid waste disposal is a common concern of all countries in the world. Due to the difference in the composition of waste, the treatment methods in different countries (different regions) are also different. Garbage sorting collection and treatment is very common in foreign countries, and the technology is relatively mature. There are incineration methods, landfill methods, etc. The defects of these existing methods are mainly large one-time investment, high operating costs, waste of land resources, and are not suitable for small and medium-sized cities. The popularization and application of biocomposting technology has...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05F9/02C05F9/04C05F17/02
CPCY02A40/20
Inventor 王世平魏自民王增利
Owner CHINA AGRI UNIV
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