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Photobioreactor for culturing microorganisms

A photobioreactor, photosynthetic microorganism technology, applied in photobioreactor, specific-purpose bioreactor/fermenter, bioreactor/fermenter combination, etc., can solve the difficulty of tube wall cleaning, reactor cost and High operating cost, infection, etc

Inactive Publication Date: 2011-08-31
杨文波
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cost of open pond culture is relatively low, but the cell density achieved by algae growth is low, and in some cases it is easy to be infected by other local organisms, and the amount of water evaporation is large; closed culture can achieve high algae cell density, which is not easy to be infected by foreign organisms. Algae infestation, water evaporation is small, but the reactor cost and operating cost are high, coupled with the algae cell adhesion shielding, resulting in a decline in photosynthesis, difficult to clean the tube wall, difficult to large-scale production and difficult to solve problems such as dissolved oxygen removal

Method used

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  • Photobioreactor for culturing microorganisms
  • Photobioreactor for culturing microorganisms
  • Photobioreactor for culturing microorganisms

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment one: see attached figure 1 .

[0019] Preferably several "S" shaped glass hollow pipes 1 are connected in series with the pump 12, the algae liquid settlement tank 13, and the connecting conduit 16 to form a circulation pipe, and the "S" shaped pipe 1 is erected or obliquely arranged on a fixed frame (not shown), Built-in at least one spherical piston 11 made of sponge (its diameter is roughly equal to the inner diameter of the circulation pipeline), the pump 12 is preferably a screw pump, and the gas required by the algae liquid passes through the purification device 22, the air pump 2, the intake pipe 21, and the sinking ball type check The valve 23 enters the bottom of the "S"-shaped pipe, and the gas rises in the hollow pipe 1 to stir the culture solution and perform gas exchange. The exhaust gas is discharged through the exhaust pipe 4, and a float check valve 41 is installed on the exhaust pipe 4 to exhaust Isolation device 42 is installed at the mouth...

Embodiment 2

[0022] Embodiment 2: other structures are the same as Embodiment 1, the difference is that the perforated conduit 14 is canceled, a device is added at the water outlet end of the pump, and a plurality of pistons 11 are added one by one. Since the pistons do not pass through the pump, the pump can Choose from various types.

Embodiment 3

[0023] Embodiment 3: Other structures are the same as Embodiment 1, except that the pump is a peristaltic pump. Take Haematococcus pluvialls as an example to set forth the using method of above-mentioned embodiment below:

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Abstract

The invention discloses a pipeline type device for culturing photosynthetic microorganisms such as microalgae and the like. Thus, the problems that the pipe wall is difficult to clean in the large-scale culturing process, the dissolved oxygen content is too high and the temperature is difficult to control are solved.

Description

technical field [0001] The invention relates to a cultivation device for large-scale cultivation of microalgae and other photosynthetic microorganisms. Background technique [0002] Microalgae are a kind of microorganisms widely distributed on land and in the ocean, rich in nutrients and high in photosynthetic utilization. The polysaccharides, proteins, pigments, etc. produced by cell metabolism make them very useful in the fields of food, medicine, genetic engineering, and liquid fuels. development prospects. [0003] There are many kinds of microalgae, including the well-known spirulina, diatoms, Haematococcus pluvialis, etc., some of which have higher requirements on the cultivation environment, such as: Haematococcus pluvialis. [0004] There are mainly two types of large-scale cultivation of microalgae: open pool and closed reactor. The cost of open pond culture is relatively low, but the cell density achieved by algae growth is low, and in some cases it is easy to be...

Claims

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Application Information

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IPC IPC(8): C12M1/00C12M1/42C12R1/89
CPCC12M41/30C12M21/02C12M39/00
Inventor 杨文波
Owner 杨文波
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