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Biological reaction device and biological reaction method

A biological reaction device and biological reaction technology, which are applied in the methods of supporting/immobilizing microorganisms, biochemical cleaning devices, biochemical equipment and methods, etc., can solve the problems of inability to react to temperature control, unsatisfactory mixing effect of reactants, and environmental impact. and other problems, to achieve good axial mixing ability, improve mass transfer rate and dissolved oxygen rate, and reduce emissions.

Pending Publication Date: 2021-03-23
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the gas produced by it is directly discharged, which will have an impact on the environment, and the mixing effect of the reactants is not ideal, and the reaction temperature cannot be controlled

Method used

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  • Biological reaction device and biological reaction method
  • Biological reaction device and biological reaction method
  • Biological reaction device and biological reaction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0077] This embodiment provides a bioreactor, which is based on a bioreactor provided in a specific embodiment, wherein, the stirring shaft 1 is provided with a parabolic stirring paddle 2 and a first airfoil axial flow paddle sequentially from top to bottom. 3 and the second airfoil axial flow paddle 4, the diameter of the first airfoil axial flow paddle 3 is greater than the diameter of the second airfoil axial flow paddle 4, 16 nozzles are evenly arranged on the jet flow plate, and the remaining structures are the same as a specific embodiment The bioreactors are identical.

[0078] This embodiment also provides a method for performing a biological reaction using the above-mentioned biological reaction device, based on the biological reaction method provided in a specific embodiment, wherein the reaction temperature is 37 ° C, the pressure inside the housing 5 is 0.4 MPa, and the remaining operating steps and parameters are the same as in the biological reaction method desc...

Embodiment 2

[0081] This embodiment provides a bioreactor, based on the bioreactor provided in a specific embodiment, wherein, the stirring shaft 1 is provided with a first parabolic stirring paddle 2 and an airfoil axial flow paddle sequentially from top to bottom. With the second parabolic paddle 2, the diameter of the first parabolic paddle 2 is the same as the diameter of the second parabolic paddle 2, and 9 nozzles are evenly arranged on the jet flow plate, and all the other structures are the same as those described in a specific embodiment. The bioreactor setup is identical.

[0082] This embodiment also provides a method for performing a biological reaction using the above-mentioned biological reaction device, based on the biological reaction method provided in a specific embodiment, wherein the reaction temperature is 4 ° C, the pressure inside the housing 5 is 0.1 MPa, and the remaining operating steps and parameters are the same as in the biological reaction method described in ...

Embodiment 3

[0085] This embodiment provides a bioreactor, which is based on a bioreactor provided in a specific embodiment, wherein the stirring shaft 1 is provided with a first airfoil axial flow paddle 3 and a second airfoil paddle from top to bottom. Axial flow paddle 4 and parabolic stirring paddle 2, the diameter of the first airfoil axial flow paddle 3 is greater than the diameter of the second airfoil axial flow paddle 4, 12 nozzles are evenly arranged on the jet flow plate, and the remaining structures are the same as a specific embodiment The bioreactors are identical.

[0086] This embodiment also provides a method for carrying out a biological reaction using the above-mentioned biological reaction device, based on the biological reaction method provided in a specific embodiment, wherein the reaction temperature is 60 ° C, the pressure inside the housing 5 is 0.05 MPa, and the remaining operating steps and parameters are the same as in the biological reaction method described in...

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Abstract

The invention provides a biological reaction device and a biological reaction method, the biological reaction device comprises a shell, a stirring module and a jet flow module located at the bottom ofthe shell are arranged in the shell, the stirring module comprises a stirring shaft extending into the shell, and at least one radial flow paddle and at least one axial flow paddle are arranged on the stirring shaft. The biological reaction method comprises the steps that reactants are injected into the shell, the stirring module is started to perform stirring reaction on the reactants, and gas generated by the reaction enters the jet flow module through a circulating pipeline and is jetted into the shell through the jet flow module. By combining the jet module and the stirring module, mass transfer and heat transfer are better achieved, the reactants are fully mixed and react, the gas circulates in the reaction device through the circulating pipeline, the production efficiency of the biological reaction device can be effectively improved, and the biological reaction device has the advantages of being low in cost, small in occupied area, easy to maintain and the like and can be applied to the fields of food, medicine and the like.

Description

technical field [0001] The invention belongs to the technical field of biological reaction, relates to a biological reaction device, in particular to a biological reaction device and a biological reaction method. Background technique [0002] As an emerging technology, bioreactor technology has shown great economic and social value, for example, anaerobic fermentation treatment of municipal sludge wastewater, production of beer and various antibiotics, and use of fermentation reactors to treat solid waste. Traditional bioreactors have problems such as low equipment yield, large energy consumption, and slow reaction rate. When the stirring is insufficient, it is easy to cause local temperature to be too high, resulting in deterioration of the reactants, or the inability to fully mix the air and the fermentation broth. Ensure the supply of dissolved oxygen required for microbial growth and metabolism. In addition, the manual discharge of existing fermentation tanks is time-co...

Claims

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Application Information

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IPC IPC(8): C12M1/00C12M1/12C12M1/04C12M1/02B01F7/18
CPCC12M23/48C12M27/02C12M29/02C12M29/06C12M41/22B01F27/90
Inventor 李庭刚徐求朱加雷韦漩
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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