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Fermentation tank

A fermenter and flexible wall technology, applied in the field of fermentation devices, can solve the problems of inability to complete the hollow fiber membrane, the need for regular cleaning and replacement, pollution, etc., to reduce the degree of concentration polarization and blockage, facilitate the colonization of microorganisms, improve The effect of reaction efficiency

Inactive Publication Date: 2007-01-31
JILIN UNIV
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  • Abstract
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Problems solved by technology

However, there are also some problems, such as: some membrane microbial reactors also use stirring devices to mix microbial reactions, and the concentration of exudates on the membrane interface will increase, reducing the exudation rate, that is, extreme concentration differences appear. phenomenon; the membrane is prone to clogging and fouling and needs to be cleaned and replaced regularly; for the solid matrix fermentation tubular membrane, the hollow fiber membrane cannot complete

Method used

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Embodiment Construction

[0022] refer to Figure 1 to Figure 4 , what is described below is a preferred embodiment of a peristaltic fermenter that can be used for solid substrates for 5 liters. The flexible wall (4) built into the supporting outer wall (3) is a hollow ellipsoid, working under long pressure , its long axis is 322 mm, its short axis is 185 mm, and its volume is 5.77 liters, which can ensure the volume of fermentation liquid to reach 5 liters except for the space required for part of the metabolic gas.

[0023] The flexible wall (4) is made of precision casting mold silicone rubber. It is divided into upper and lower parts when making it, that is, the semi-ellipsoid body in the upper half and the semi-ellipsoid body in the lower part. The wall thickness is 3mm. It can be hand-made for cost saving, and it can be die-casted in mass production. What is first made of silicon rubber with a precision casting mold is the blank of the flexible wall (4). On the inner surface of the blank part of ...

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Abstract

The present invention relates to a fermentation tank, in particular it discloses a peristaltic type fermentation tank for solid matrix. Said fermentation tank includes the following several portions: tank body, supporting wall, flexible wall, heat exchange tube, culture medium liquor inlet pipe, material-feeding pipe, membrane diffusate outlet pipe, fermented product outlet pipe and residue-discharging pipe. Said invention also provides the concrete structure of above-mentioned every portion and connection mode of all the above-mentioned portions. Besides, said invention also provides its working principle and concrete operation method.

Description

technical field [0001] The invention relates to a fermentation device, in particular to a fermentation tank. Background technique [0002] At present, stirring fermenters are the most commonly used for laboratory and industrial fermentation. In addition, there are airlift fermenters, drum fermenters, fixed bed fermenters, etc., which avoid the propeller facing the microorganisms in the fermenter. cutting. In recent years, with the requirement of high fermentation conversion rate and low cost, coupling equipment that integrates fermentation and separation has appeared, among which the membrane microbial reactor is the most prominent, the reaction product can be separated through the membrane, and the reaction is maintained. high efficiency. However, there are also some problems, such as: some membrane microbial reactors also use stirring devices to mix microbial reactions, and the concentration of exudates on the membrane interface will increase, reducing the exudation rate...

Claims

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Application Information

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IPC IPC(8): C12M1/00
Inventor 佟金侯哲生
Owner JILIN UNIV
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