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Novel process for processing chicken manure through aerobic fermentation

A technology of aerobic fermentation and new process, applied in the field of bioengineering, can solve the problems of complex production process, high production cost, low level of fertilizer utilization, etc., and achieve the effect of improving soil environment, soft texture and strong ability

Inactive Publication Date: 2019-01-11
山东惠民禽乐畜牧机械有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the technology of microbial composting and fermenting chicken manure to prepare chicken manure bio-organic fertilizer is becoming more and more mature, there are still technical drawbacks in the current production process, such as complex production process, high production cost, and low level of fertilizer utilization.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A new process for treating chicken manure by aerobic fermentation, the specific process steps include:

[0036] (1) Mixing: Input the chicken manure into the mixer, add rice bran, mix the rice bran and chicken manure evenly, control the water content of the material between 55 and 65%, and then transport the material to the fermentation tank through the auger;

[0037] (2) Composite microbial fermentation: Inoculate the mixed material with a composite microbial agent, the inoculum amount is 0.25% of the mass ratio of the solid material, and then carry out ventilated solid fermentation for 3 to 5 days, wherein the composite microbial agent includes coagulans Bacillus, Bacillus licheniformis, thermophilic heterotrophic ammonia oxidizing bacteria and Aspergillus niger, wherein the optimal dosage ratio of Bacillus coagulans, Bacillus licheniformis, thermophilic heterotrophic ammonia oxidizing bacteria and Aspergillus niger is 2:5:2:3; , the fermentation ventilation rate mai...

Embodiment 2

[0044] (1) Mixing: Input the chicken manure into the mixer, add bran, mix the bran and chicken manure evenly, control the water content of the material between 55 and 65%, and then transport the material to the fermentation tank through the auger;

[0045] (2) Compound microbial fermentation: inoculate the mixed material with a compound microbial agent, the inoculum amount is 0.2% of the mass ratio of the solid material, and then carry out ventilated solid fermentation for 3 to 5 days, wherein the compound microbial agent includes coagulans Bacillus, Bacillus licheniformis, thermophilic heterotrophic ammonia-oxidizing bacteria and Aspergillus niger, wherein the dosage ratio of Bacillus coagulans, Bacillus licheniformis, thermophilic heterotrophic ammonia-oxidizing bacteria and Aspergillus niger is 3:3:2:2; Fermentation The ventilation rate maintains the oxygen content of the pile at 12-16%;

[0046] (3) Screening: Put the fermented material into a screening machine to remove m...

Embodiment 3

[0052] (1) Mixing: Input the chicken manure into the mixer, add crop straw, mix the crop straw and chicken manure evenly, control the moisture content of the material between 55% and 65%, and then transport the material to the fermentation tank through the auger;

[0053] (2) Composite microbial fermentation: Inoculate the mixed material with a composite microbial agent, the inoculum amount is 0.3% of the mass ratio of the solid material, and then carry out ventilated solid fermentation for 3 to 5 days, wherein the composite microbial agent includes coagulans Bacillus, Bacillus licheniformis, thermophilic heterotrophic ammonia oxidizing bacteria and Aspergillus niger, wherein the dosage ratio of Bacillus coagulans, Bacillus licheniformis, thermophilic heterotrophic ammonia oxidizing bacteria and Aspergillus niger is 2:5:1:4; Fermentation The ventilation rate maintains the oxygen content of the pile at 12-16%;

[0054] (3) Screening: Put the fermented material into a screening ...

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Abstract

The invention discloses a novel process for processing chicken manure through aerobic fermentation. A high-efficiency, green chicken manure fermented bio-organic fertilizer is developed by using a rapid fermentation process of mixed bacteria solids. The compound microbial agents include bacillus coagulans, bacillus licheniformis, thermophilic heterotrophic ammonia-oxidizing bacteria, aspergillus niger and the like. The process adopts multi-bacterium mixed fermentation, through the combination of different metabolic abilities, the complex metabolic effects that are difficult to complete by a single strain can be completed, through the synergistic fermentation between microorganisms, the effective conversion of chicken manure is realized, the health indexes meet the national standards, and the product maturity and growth promotion indexes are significantly improved. The fermentation process is simple and efficient, has good deodorizing and sterilizing effect, has low production cost, andis easy for industrial large-scale production.

Description

technical field [0001] The invention relates to a new process for treating chicken manure by aerobic fermentation, in particular to a process for preparing bio-organic fertilizer with good growth-promoting and production-increasing effects by using various probiotics to collaboratively ferment chicken manure and straw, and belongs to the field of bioengineering . Background technique [0002] With the development of modern animal husbandry, the scale and intensification of poultry farms continue to increase, and the feces produced by large poultry farms seriously pollute the environment. The State Environmental Protection Administration’s 2002 survey on the pollution of large-scale livestock and poultry farming shows that the annual livestock and poultry manure volume in China is about 1.9 billion tons, of which COD (chemical oxygen demand) emissions have reached 71.18 million tons, and the livestock and poultry manure output Both COD and COD emissions far exceed the sum of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F15/00C05F17/00
CPCC05F3/00C05F17/00C05F5/00C05F5/002C05F11/00C05F11/08Y02W30/40
Inventor 周焕乐张风秀巩伟
Owner 山东惠民禽乐畜牧机械有限公司
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