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Photobioreactor system

A technology of photobioreactor and sunlight, which is applied in the direction of photobioreactor, biochemical instruments, biochemical equipment and methods, etc., can solve the problems of low utilization efficiency of sunlight, and achieve the effect of improving utilization efficiency and increasing production

Active Publication Date: 2015-06-10
ENN SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, affected by the rising and setting of the sun in the east, the light-receiving area and light intensity of the photobioreactor vary greatly in a day, and the utilization efficiency of sunlight by microalgae is low.
[0004] In addition, microalgae mainly use visible light in sunlight during the growth process, while infrared and ultraviolet rays in sunlight cannot be used by microalgae.

Method used

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Examples

Experimental program
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no. 1 example

[0026] figure 1 A schematic cross-sectional view of a photobioreactor system 10 according to a first embodiment of the present invention is shown. Such as figure 1 As shown, the photobioreactor system 10 includes a photobioreactor 1 and a reflective device 2 . Photobioreactor 1 is a plate-type photobioreactor, such as a flat plate container with a length of 6m, a height of 0.8-1.0m, and a width of 3-5cm, which contains a culture solution, and biological substances to be cultivated, such as microalgae, are suspended in the culture medium. in the liquid. figure 1 The reflective means 2 shown are reflective panels with a semi-elliptical cross-section. Correspondingly, a longitudinal groove 3 with a semi-elliptical cross section is provided under the plate-type photobioreactor 1 for accommodating the reflective device 2 . The trench 3 can be, for example, a longitudinal trench dug along the north-south direction under the ground, and its cross section is semi-elliptical. The ...

no. 2 example

[0033] figure 2 A schematic cross-sectional view of a photobioreactor system 20 according to a second embodiment of the present invention is shown. The photobioreactor system of the second embodiment is substantially similar to the first embodiment. Therefore, the following will mainly describe the parts different from the first embodiment.

[0034] Such as figure 2 As shown, the photobioreactor system 20 includes a photobioreactor 1 and a reflective device 2 . Photobioreactor 1 is similar to figure 1 plate photobioreactor. But when figure 2 In the embodiment, the reflective device 2 is two reflective plates 21 and 22 that are pivotably connected by a pivot 5 . in addition, figure 2 The groove 3 shown has a rectangular cross section. The pivot 5 is fixed at the approximate center of the bottom of the rectangular groove 3 . Photobioreactor 1 as figure 1 It is arranged on the transparent cover plate 4 as in the embodiment of the present invention. Similarly, heat ...

no. 3 example

[0041] image 3 A schematic cross-sectional view of a photobioreactor system 30 according to a third embodiment of the present invention is shown. Figure 4 yes image 3 Schematic diagram of the structure of the reflective device in the photobioreactor system shown in .

[0042] Such as Figure 3-4 As shown, the photobioreactor system 30 includes a photobioreactor 1 and a reflective device 2 . The photobioreactor 1 is a plate-type photobioreactor similar to the first embodiment and the second embodiment. However, in the third embodiment, the reflective device 2 is arranged on one side of the plate-type photobioreactor 1 and includes a plurality of reflective plates pivotally connected by pivots 6 . image 3 and 4 Three pivotally connected reflectors L1, L2 and L3 are shown in . Among them, the bottom reflector L3 is mainly used for supporting and fixing, and the angles of the upper two reflectors L1 and L2 are adjustable. Similar to the second embodiment, the angle adju...

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Abstract

The invention discloses a photobioreactor system, which contains a photobioreactor and a reflection device. The reflection device is constructed in a manner that it reflects sunlight on the photobioreactor. According to the photobioreactor system, sunlight area and sunlight intensity of the photobioreactor can be increased, so as to raise sunlight utilization efficiency of a photosynthetic organism inside the photobioreactor.

Description

technical field [0001] The invention relates to a photobioreactor system. Background technique [0002] Photobioreactor refers to a type of device that can be used for the cultivation of photosynthetic microorganisms and tissues or cells with photosynthetic ability. Increasing the light intensity and light receiving area of ​​the photobioreactor can effectively improve the light energy utilization efficiency of photosynthetic microorganisms, realize high-density cultivation of photosynthetic organisms and obtain higher biomass yield per unit area or volume. Algae, especially unicellular microalgae, can effectively use light energy, CO 2 and inorganic salts to synthesize proteins, fats, carbohydrates and a variety of high value-added biologically active substances, so photobioreactors are currently widely used for high-density cultivation of microalgae. [0003] Microalgae is a photoautotrophic organism, and light is one of the main limiting factors affecting its biomass in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12M3/00
CPCC12M21/02C12M31/04C12M41/08C12M41/12
Inventor 杨建强罗少敬石蕾许民
Owner ENN SCI & TECH DEV