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Biomimetic dry anaerobic fermentation system and method

A dry anaerobic fermentation and fermentation container technology, applied in the field of bionic dry anaerobic fermentation system, can solve the problems of low efficiency, difficult mass transfer, low hydrolysis rate of organic matter, etc.

Active Publication Date: 2021-04-09
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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Problems solved by technology

[0003] However, due to the problems of limited water, difficult mass transfer, low hydrolysis rate of organic matter, and high concentration of organic acids per unit volume in dry anaerobic fermentation, the efficiency of dry anaerobic fermentation is significantly lower than that of wet anaerobic fermentation, so engineering applications are more difficult. few
However, traditional stirring and adjustment of fermentation parameters cannot fundamentally solve the problems faced by dry anaerobic fermentation

Method used

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  • Biomimetic dry anaerobic fermentation system and method
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  • Biomimetic dry anaerobic fermentation system and method

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Embodiment Construction

[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0030] Such as figure 1 Shown is a schematic structural diagram of a bionic dry anaerobic fermentation system, including the following structures: crushing device 1, feeding pipe 2, bionic fermentation container 3, peristaltic stirring device 4, peristaltic control system 5, biogas pipeline 6, biogas purification System 7, biogas storage tank 8, biogas residue drying system 9 and biogas residue making organic fertilizer system 10.

[0031] After the material is pulverized by the crushing device 1, it is transported to the biomimetic fermentation container 3 through the feeding pipe 2 for fermentation, and the generated biogas is transported to the biogas purification system 7 through the biogas pipeline 6 for purification...

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Abstract

A biomimetic dry anaerobic fermentation system and method, the system includes a fermentation vessel and a stirring device, the fermentation vessel has a biomimetic structure of a bovine reticulum, an outer wall made of a flexible material and an inner wall with a raised structure imitating the reticulum The stirring device includes an extruding device arranged outside the fermentation container, the extruding device includes a lifting rod, and the lifting rod squeezes the fermentation container through a telescopic action to play the role of stirring. Further provided is a fermentation method using the system, which can improve the mass transfer level of the dry anaerobic fermentation process of organic matter with high solid content.

Description

technical field [0001] The invention relates to the technical field of energy conversion and resource recovery of organic solid waste, in particular to a bionic dry anaerobic fermentation system and method. Background technique [0002] Anaerobic fermentation technology can convert organic matter into usable biogas, which can be divided into wet anaerobic fermentation and dry anaerobic fermentation. At present, the engineering application is mainly wet anaerobic fermentation, and the moisture content of the material is below 10%. When dealing with solid waste such as straw, household garbage, and kitchen waste, it is necessary to add water to increase the moisture content of the material. Dehydration treatment is relatively difficult, and it is easy to cause secondary pollution and other problems. Dry anaerobic fermentation refers to the anaerobic fermentation process with a total solid content of 20-40%. Generally, organic solid waste can be fermented directly without addi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12M1/36C12M1/16C12M1/107C12M1/02C12P5/02
CPCC12M21/04C12M21/16C12M23/26C12M23/36C12M27/00C12M41/48C12M43/00C12M45/02C12M47/18C12P5/023Y02E50/30
Inventor 杨天学席北斗李英军余红朱建超李艳平李东阳黄彩红赵颖杨津津李翔
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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