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A stirring system for controlling microalgae cultivation cycle

A technology of stirring system and microalgae cultivation, applied in enzymology/microbiology devices, bioreactors/fermenters for specific purposes, biomass post-processing, etc.

Active Publication Date: 2019-02-19
杭州元点生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually, paddle wheels, propellers, pumps or airlift are used to strengthen the circulation flow. On the one hand, it will bring microbial contamination in the air to the culture medium, and on the other hand, it will cause excessive shear force on the algal filaments. harm

Method used

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  • A stirring system for controlling microalgae cultivation cycle
  • A stirring system for controlling microalgae cultivation cycle

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0018] refer to Figure 1 to Figure 2 As shown, a stirring system for controlling the microalgae culture cycle implemented in this case includes a control system, a container 1, a deflector 10 and a stirring device arranged in the container 1, and the top of the container 1 is provided with a fixed stirring The top cover of the device, the control system is used to control the stirring device, the stirring device includes a motor 2, a rotating rod 3, a first rotating blade 4 and a second rotating blade 5, the first rotating blade 4 and the second rotating blade The blade 5 is installed on the rotating rod 3, the second rotating blade 5 is placed at the bottom of the first rotating blade 4, the motor 2 is used to drive the rotating rod 3, and the position near the shaft end of the first rotating blade 4 is flat. sheet structure, the one far away from the shaft end is a reverse helical inclined blade, the second rotating blade 5 is a multi-bladed helical structure, the deflector...

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Abstract

The invention discloses a circular stirring system capable of controlling microalgae culture. The system is technically characterized by comprising a control system, a container and a stirring device arranged in the container, wherein a top cover for fixing the stirring device is arranged at the top of the container, the control system is used for controlling the stirring device, the stirring device comprises a motor, a rotating rod, a first rotating blade and a second rotating blade, the first rotating blade and the second rotating blade are mounted on the rotating rod, the second rotating blade is arranged at the bottom of the first rotating blade, the motor is used for driving the rotating rod, the part, close to a shaft end, of the first rotating blade adopts a flat piece structure, the part far away from the shaft end is a reverse screw oblique blade, and the second rotating blade adopts a multi-blade screw structure. The circular stirring system capable of controlling microalgae culture can control a microalgae culture solution to be circularly stirred from top to bottom and from inside to outside.

Description

technical field [0001] The invention belongs to the field of research and production of microalgae, and more specifically relates to a stirring system for controlling the cycle of microalgae cultivation. Background technique [0002] The culture conditions that affect the growth of microalgae mainly include nutritional status, temperature, light, etc., and they interact together to affect the growth rate of microalgae and the chemical composition of the product. In the process of culturing microalgae, proper agitation of the culture medium is an indispensable measure to promote the growth of microalgae. Stirring can produce intermittent light effect, obtain the effect similar to the light-dark cycle, improve the photosynthesis efficiency of microalgae; fully mix the concentration of nutrients, which is beneficial to the absorption and utilization of nutrients in the culture medium by microalgae, and can also to prevent O 2 Inhibitory effect of the accumulation of microalga...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12M1/02
CPCC12M27/08
Inventor 吴华勇刘松民李雷韦根源
Owner 杭州元点生物科技有限公司
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