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Tube for microalgae photobioreactor

A photobioreactor and tube technology, applied in photobioreactors, bioreactor/fermenter combinations, bioreactors/fermenters for specific purposes, etc., can solve problems such as algal liquid sedimentation and achieve good growth conditions Effect

Inactive Publication Date: 2015-01-07
STATE DEV & INVESTMENT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention solves the problem that the algae liquid in the pipe will settle under low flow rate through the pipe with spiral protrusions on the inner wall, so that the algae liquid can obtain a good turbulent state during the flow process and create better growth conditions

Method used

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  • Tube for microalgae photobioreactor
  • Tube for microalgae photobioreactor

Examples

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Embodiment 1

[0020] Refer below figure 1 A single helically raised tube according to the present application is described in detail.

[0021] figure 1 It shows a single helically raised pipe according to the present invention. There is a protrusion 2 on the inner wall of the pipe 1 , and the protrusion 2 extends along the axial direction of the pipe 1 in a helical shape.

[0022] The direction of rotation of the helical protrusion 2 can be left helical and / or right helical, with pitch ≥ 1mm, helix angle ≥ 0°, angular velocity ≥ 0°, preferred pitch 200, 400, 600, 800mm, helix angle 15°, 30° , 45°, the angular velocity is 0°, 30°, etc.

[0023] The cross-sectional shape of the pipe 1 is preferably circular, and may also be rectangular, elliptical, petal-shaped, triangular, trapezoidal, or other known conventional shapes or simple variations thereof.

[0024] The shape of the protrusion 2 may preferably be approximately trapezoidal, and may also be approximately rectangular, triangular, ci...

Embodiment 2

[0032] figure 2 It shows a pipe 1 with a plurality of spiral protrusions according to the present invention, four protrusions 2 are evenly distributed on the inner wall of the pipe 1 , and the protrusions 2 extend helically along the axial direction of the pipe 1 .

[0033] The direction of rotation of the helical protrusion 2 can be left helical and / or right helical, with pitch ≥ 1mm, helix angle ≥ 0°, angular velocity ≥ 0°, preferred pitch 200, 400, 600, 800mm, helix angle 15°, 30° , 45°, the angular velocity is 0°, 30°, etc.

[0034] The cross-sectional shape of the pipe 1 is preferably circular, and may also be rectangular, elliptical, petal-shaped or other known conventional shapes or simple derivative shapes thereof.

[0035] The shape of the protrusion 2 may preferably be approximately trapezoidal, and may also be approximately rectangular, triangular, circular, semicircular, trapezoidal or other known conventional shapes or simple derivatives thereof.

[0036] The m...

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Abstract

The application provides a tube for a microalgae photobioreactor. A projection is arranged on the inner wall surface of the tube, and the projection axially and spirally rotates and extends along the tube. Under the same condition, algae fluid can be automatically stirred into a turbulent state in the flowing process, and sedimentation and algae stacking are avoided. Lower flow rate is allowed in the tube through the structure, the energy consumption of system circulating delivery is reduced, the stay time of the algae fluid in the tube can be prolonged through the low flow rate, the time for the contact between the tube and light is prolonged, and the growth efficiency is improved.

Description

technical field [0001] The application relates to the field of photobioreactors for cultivating photosynthetic microorganisms or photosynthetic plant tissue cells, in particular to a tube with spiral protrusions on the inner wall. Background technique [0002] Microalgae cells are rich in sugar, protein, fat, vitamins, pigments, bioactive substances, and trace elements and other high value-added biological substances, and are becoming an important source of materials in the fields of human food, medicine, dyes, and fine chemicals. Broad application prospects. [0003] The core of the large-scale cultivation of microalgae is the photobioreactor, and the inner wall of the tube used for cultivating algae is a smooth circular inner surface, and the algae liquid will stratify and settle during the flow process. The contact time greatly reduces the growth efficiency. Contents of the invention [0004] The invention solves the problem that the algae liquid in the pipe will sett...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M3/00C12M1/24
CPCC12M21/02C12M23/06C12M23/02C12M27/10C12M27/20C12M39/00B01F25/40
Inventor 胡强迟庆雷
Owner STATE DEV & INVESTMENT
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