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A kind of domestic garbage aerobic high-temperature fermentation accelerator and its preparation and application method

A technology for high-temperature fermentation and domestic waste, applied in biochemical equipment and methods, methods based on microorganisms, microorganisms, etc., to achieve the effect of improving the activity of aerobic microorganisms, increasing the rate, and promoting rapid

Active Publication Date: 2022-03-15
汪家权 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still a lack of composite biological bacteria agents that can promote rapid, high-temperature, aerobic fermentation of domestic garbage, and biological deodorants.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] (1) Mix the decomposed material obtained by aerobic high-temperature fermentation of fresh domestic garbage and domestic garbage according to the mass ratio of 1:1, and rinse with 5 times of water to obtain enriched microorganisms suitable for surviving in garbage and having high-temperature fermentation function leachate;

[0032] The leachate and the mixed bacterial solution are uniformly mixed according to a mass ratio of 1000:2 to obtain a composite bacterial agent.

[0033](2) Select limonite ore, wherein ferric oxide content is 54.8%, goethite crystal diameter<80nm, grind the ore to obtain 325 mesh powder; then mix it with bran according to the mass ratio of 4:1 , to obtain the culture medium.

[0034] (3) Mix the culture medium and the compound microbial agent evenly according to the mass ratio of 1:1 to obtain a moist material;

[0035] Divide the wet material into 5 equal parts, and then pave it into a breathable thin layer, and cultivate it at 20°C, 30°C, 40...

Embodiment 2

[0040] (1) Mix the decomposed material obtained by aerobic high-temperature fermentation of fresh domestic garbage and domestic garbage according to the mass ratio of 1:2, and rinse with 4 times the amount of water to obtain enriched microorganisms suitable for surviving in garbage and having high-temperature fermentation function leachate;

[0041] The leachate and the mixed bacterial solution are uniformly mixed according to a mass ratio of 1000:1 to obtain a composite bacterial agent.

[0042] (2) Select oolitic hematite ore, wherein the ferric oxide content is 49.4%, and the hematite crystal thickness is <60nm, grind the ore to obtain a 325-mesh powder; then mix it with rice bran and corn flour 1:1 :1 mix to obtain culture medium.

[0043] (3) Mix the culture medium and the composite bacterial agent evenly according to the mass ratio of 3:2 to obtain a moist material;

[0044] Divide the wet material into 5 equal parts, and then pave it into a breathable thin layer, and ...

Embodiment 3

[0049] (1) Mix the decomposed materials obtained by aerobic high-temperature fermentation of fresh domestic garbage and domestic garbage according to the mass ratio of 1:3, and then rinse with 5 times of water to obtain enriched microorganisms suitable for surviving in garbage and having high-temperature fermentation function leachate;

[0050] The leachate and the mixed bacterial solution are uniformly mixed according to a mass ratio of 100:1 to obtain a composite bacterial agent.

[0051] (2) Select siderite ore, wherein the ferric oxide content is 41.3%, grind the ore to obtain a 325-mesh powder, and fluidize and calcinate it at 500°C to obtain a porous nanostructured powder, in which hematite The crystallographic particle size is <10nm; then it is mixed with corn flour at a mass ratio of 1:2 to obtain a culture medium.

[0052] (3) Mix the culture medium and the compound microbial agent evenly according to the mass ratio of 1:1 to obtain a moist material;

[0053] Divide...

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Abstract

The invention discloses a domestic garbage aerobic high-temperature fermentation accelerator and its preparation and application method. The accelerator is composed of a solid component and a liquid component; the solid component includes aerobic microorganisms, thermophilic microorganisms and facultative anaerobes The composite microbial agent for oxygen microorganisms also includes a culture medium containing nano-iron oxide powder; the liquid component is a microorganism culture fluid. The accelerator of the present invention has the functions of promoting rapid, high-temperature, aerobic fermentation of domestic garbage and eliminating stench. When in use, it is diluted with water and then sprayed to the garbage feeding hopper of garbage transfer station, garbage sorting plant, garbage power plant or In the silo, ventilation and oxygen supply keep the garbage in an aerobic fermentation state, which can promote the rapid high-temperature fermentation of organic matter in the garbage, eliminate odor, and use the heat energy of biological fermentation to evaporate water, improve environmental sanitation and increase efficiency in the process of garbage treatment.

Description

technical field [0001] The invention belongs to the technical field of solid waste treatment and disposal, and in particular relates to the treatment and disposal of domestic garbage. Background technique [0002] With the development of our country's economy and society and the higher and higher requirements for environmental quality, the amount of domestic waste collected is increasing, and its transshipment, treatment and resource utilization have also been paid more and more attention by governments at all levels and scientific and technological workers. [0003] There are many different combined processes for domestic waste disposal. The early disposal methods are mainly composting, natural stockpiling and landfill. At present, the mainstream treatment methods of domestic waste are sanitary landfill and incineration for power generation. Sanitary landfills can be disposed of safely and harmlessly, but landfills have unpleasant odors, serious mosquito breeding, dirty a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20C12R1/645C12R1/245C12R1/07C12R1/885C12R1/11C12R1/23C12R1/05
CPCB09B3/00C12N1/16C12N1/14C12N1/20
Inventor 陈天虎汪家权
Owner 汪家权
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