Liquid organic fertilizer preparation method capable of avoiding stink generation

An organic fertilizer and liquid technology, which is applied in the field of liquid organic fertilizer preparation to avoid odor generation, can solve the problems of hydrogen sulfide and other problems, and achieve the effects of reducing hydrogen sulfide generation, reducing odor, and avoiding collapse

Pending Publication Date: 2020-05-05
重庆酷熊科技有限公司
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  • Abstract
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Problems solved by technology

[0004] The present invention intends to provide a liquid organic fertilizer preparation method that avoids the generation of odor, so as to solve the problem of hydrogen sulfide produced in the fermentation process of liquid organic fertilizer

Method used

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  • Liquid organic fertilizer preparation method capable of avoiding stink generation
  • Liquid organic fertilizer preparation method capable of avoiding stink generation
  • Liquid organic fertilizer preparation method capable of avoiding stink generation

Examples

Experimental program
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Embodiment 1

[0033] The liquid organic fertilizer preparation method that avoids odor generation comprises the following processing steps:

[0034] (1) Isolation of sulfur bacteria: Separation of sulfur bacteria capable of degrading hydrogen sulfide from poultry feces, domestication and cultivation, to obtain sulfur bacteria culture solution.

[0035](2) Preparation of degradable spheres: fix the sulfur bacteria cultured in step (1) to obtain degradable spheres, which are rich in three-dimensional channels inside the degradable spheres; the specific fixation steps are as follows:

[0036] a. Uniformly mix the ceramic raw material, pore-forming agent and water to form a lumpy solid, the water content of which is controlled at 48%; roast the lumpy solid for 15 hours at a firing temperature of 900°C; the pore-forming agent and the ceramic raw material The mass-to-number ratio is 1:80. Among them, the ceramic raw materials include silicon carbide powder and clay, and the mass-number ratio of ...

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Abstract

The invention belongs to the technical field of fertilizer preparation, and particularly relates to a liquid organic fertilizer preparation method capable of avoiding stink generation. The preparationmethod comprises the following processing steps: (1) separation of sulfur bacteria: separating sulfur bacteria capable of degrading hydrogen sulfide from livestock manure, domesticating and culturingto obtain a sulfur bacteria culture solution; (2) preparation of biodegradable microspheres: immobilizing the sulfur bacteria cultured in the step (1) to obtain the biodegradable microspheres which are rich in three-dimensional pores; (3) raw material treatment: preparing fermentation raw materials of the liquid organic fertilizer, and pretreating the fermentation raw materials; (4) fermentation:fermenting the fermentation raw materials, a fermentation bacterial agent and biodegradable microspheres, wherein the mass ratio of the biodegradable microspheres to the fermentation raw materials is1: (40-120); and (5) solid-liquid separation: carrying out solid-liquid separation after the fermentation is completed so as to obtain a liquid which is a liquid organic fertilizer. By using the scheme to prepare the liquid organic fertilizer, the generation of hydrogen sulfide is effectively reduced, and the stink in the fermentation process is reduced.

Description

technical field [0001] The invention belongs to the technical field of fertilizer preparation, and in particular relates to a method for preparing a liquid organic fertilizer which avoids odor generation. Background technique [0002] Liquid organic fertilizer is an organic fertilizer made from organic waste (feces, cakes, agricultural by-products, animal waste from food processing, etc.) after microbial fermentation, deodorization, and decomposition. It is generally used in the middle and late stages of organic agricultural product production. top dressing. Liquid organic fertilizers contain a variety of functional microorganisms and rich in trace elements, which can improve soil structure, soil properties, and soil fertility levels, and provide sufficient nutrients for crop growth to make crops thrive. [0003] Fermentation is an essential step in the preparation of liquid organic fertilizers. During the fermentation process, parameters such as the temperature of the ferm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G5/20C05F17/20C05F17/80C05F17/964C05F15/00C12N1/20C12N11/00C12R1/01
CPCC05F5/00C12N1/20C12N11/00Y02W30/40
Inventor 张巍刘存寿叶光忠梁涛罗金
Owner 重庆酷熊科技有限公司
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