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Microbial premix and organic compost

A technology of organic composting and premixing, which is applied to organic fertilizers, fertilizers made from biological waste, inorganic fertilizers, etc., can solve the problems of long composting cycle, large odor pollution, insufficient fermentation, etc., and improve the compost maturity. , the effect of accelerating biodegradation and accelerating production efficiency

Active Publication Date: 2017-07-25
智农健康产业科技(广东)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are still many problems in the composting process, such as long composting cycle, large floor area, large odor pollution during composting, and large loss of nitrogen and other nutrients.
In order to solve these problems, in the composting process, the microorganisms separated and purified are artificially inoculated, the odor problem in the composting process is solved, and the composting cycle is greatly shortened compared with natural fermentation, but nutrients such as carbon and nitrogen cannot be fully utilized, and the fermentation is not sufficient. , longer fermentation time

Method used

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  • Microbial premix and organic compost

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preparation example Construction

[0015] The present invention also provides a preparation method of the above microbial premix. Firstly, the Bacillus subtilis and the Bacillus coagulans are amplified in the culture medium in proportion to obtain a bacterial liquid containing the Bacillus subtilis and the Bacillus coagulans. Wherein, the formulation of the medium is as follows: 5-10% of casein peptone, 0.5-0.8% of salt, 2.8-3.5% of sucrose, 0.1-0.5% of hydrochloric acid, and 80-90% of water. After the two kinds of bacteria are thawed, a fermentation is carried out in the above medium, and the pH value of the fermentation liquid is controlled at 5.5-7.5. The fermentation temperature is preferably 37-43°C, more preferably 38-40°C. The fermentation time is preferably 8 to 12 hours, more preferably 9 to 10 hours. The present invention has no special limitation on the device for the primary fermentation, and it is preferably cultivated in a small Erlenmeyer flask. The bacterial liquid conversion container of pri...

Embodiment 1

[0032] Propagate Bacillus subtilis and Bacillus coagulans in a liquid medium at a ratio of 1:1, culture at 37°C for 12 hours, transform the cultured bacteria and culture them again at 37°C for 24 hours to obtain subtilis containing Cultures of Bacillus and Bacillus coagulans. The above-mentioned culture solution was sprayed into auxiliary materials containing 10% soybean hull powder, 80% diatomaceous earth and 10% calcium carbonate, and dried at a low temperature of 38° C. for 55 minutes to obtain a microbial premix. The total concentration of Bacillus subtilis and Bacillus coagulans in the auxiliary material in the prepared microbial premix is ​​1*10 8 CFU / g.

[0033] The process of using the microbial premix to ferment in a compost fermentation machine to make organic compost is as follows:

[0034] (1) Put 800kg poultry manure, 100kg soybean stalk, 50kg sawdust and 50kg bagasse into a composting fermentation mixer and stir for 3 minutes, so that the carbon-nitrogen ratio ...

Embodiment 2

[0037] Propagate Bacillus subtilis and Bacillus coagulans in a liquid medium at a ratio of 1:2, culture at 37°C for 12 hours, transform the cultured bacteria and then culture them again at 37°C for 24 hours to obtain subtilis containing Cultures of Bacillus and Bacillus coagulans. The above-mentioned culture solution was sprayed into auxiliary materials containing 15% soybean hull powder, 75% diatomaceous earth, and 10% calcium carbonate, and dried at a low temperature of 40° C. for 40 minutes to obtain a microbial premix. The total concentration of Bacillus subtilis and Bacillus coagulans in the auxiliary material in the prepared microbial premix is ​​1*10 9 CFU / g.

[0038] The process of using the microbial premix to ferment in a compost fermentation machine to make organic compost is as follows:

[0039] (1) Put 700kg of poultry manure, 250kg of stalks and 50kg of sawdust into a composting fermentation mixer and stir for 2 minutes, so that the carbon-nitrogen ratio of the...

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Abstract

The invention relates to the technical field of fertilizer production, and discloses a microbial premix. The microbial premix comprises microbial strains and auxiliary materials, the microbial strains are Bacillus subtilis and Bacillus coagulans, a weight ratio of the Bacillus subtilis to the Bacillus coagulans is 1:(1-3), and the auxiliary materials comprise, by weight, 10-15 parts of soybean skin meal, 70-80 parts of diatomaceous earth and 5-10 parts of calcium carbonate, wherein the concentration of the microbial strains in the auxiliary materials is 1 * 10<6> to 1 * 10<9> CFU / g. The invention also relates to a preparation method of the microbial premix, and an organic compost produced from the microbial premix. The microbial premix promotes the aerobic fast composting of a composting raw material, shortens the fermentation period of the compost, improves the compost maturity of the compost, accelerates the biodegradation of the organic matters of the raw material and reduces the generation and the emission of odor in the composting process. The fastest fermentation period in every batch is 3-4 h, so the time is effectively saves, the production efficiency is increased, and industrial production demands are met.

Description

technical field [0001] The invention relates to the technical field of fertilizer production, in particular to a microbial premix and organic compost produced by using the microbial premix. Background technique [0002] At present, my country's annual output of straw is about 700 million tons, and the excrement discharge of livestock and poultry farming is about 3.8 billion tons. In addition, there are a large amount of activated sludge and municipal solid waste. The discarding of a large amount of agricultural waste not only causes a waste of resources, but also pollutes the environment. Aerobic composting to produce organic fertilizers is a major way to dispose of agricultural waste. However, there are still many problems in the composting process, such as long composting cycle, large floor area, large odor pollution during composting, and large loss of nutrients such as nitrogen. In order to solve these problems, in the composting process, the microorganisms separated a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00
CPCC05D3/02C05D9/00C05F3/00C05F5/002C05F11/00C05F11/08
Inventor 张济培陈建红张伟方
Owner 智农健康产业科技(广东)有限公司
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