CN102943028A - High-pressure micro-jet carbon supplementing system for microalgae cultivation of raceway pond - Google Patents

High-pressure micro-jet carbon supplementing system for microalgae cultivation of raceway pond Download PDF

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Publication number
CN102943028A
CN102943028A CN2012104889805A CN201210488980A CN102943028A CN 102943028 A CN102943028 A CN 102943028A CN 2012104889805 A CN2012104889805 A CN 2012104889805A CN 201210488980 A CN201210488980 A CN 201210488980A CN 102943028 A CN102943028 A CN 102943028A
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liquid
high pressure
gas
raceway pond
little
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CN2012104889805A
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CN102943028B (en
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秦磊
王忠铭
舒庆
尚常花
朱顺妮
袁振宏
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Guangzhou Institute of Energy Conversion of CAS
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Guangzhou Institute of Energy Conversion of CAS
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Abstract

The invention provides a high-pressure micro-jet carbon supplementing system for microalgae cultivation of a raceway pond. The high-pressure micro-jet carbon supplementing system a liquid portion, a gas portion, a high-pressure micro-jet device and a micro-sprinkler group, the liquid portion is used for providing high-pressure liquid, the gas portion is used for providing high-pressure CO2, the high-pressure liquid reversely and closely contacts with the high-pressure CO2, solubility of tiny CO2 bubbles formed by micro-jet is increased under the high-pressure condition, the CO2 is sufficiently dissolved in the liquid by adjusting flow of the gas and the liquid, and the liquid with the dissolved CO2 enters the micro-sprinkler group placed in the raceway pond and is eventually released into the raceway pond. The high-pressure micro-jet carbon supplementing system overcomes the shortcoming that a carbon source is directly supplemented in a gaseous CO2 form or by taking microalgae liquid as a CO2 carrier in the cultivation process of an existing raceway pond, and the carbon supplementing system is high in CO2 use ratio, uniform in distribution and simple to mount.

Description

Be used for the little spray repair carbon of the high pressure system that raceway pond is cultivated little algae
Technical field:
The invention belongs to bioengineering field, relate in particular to a kind of little spray repair carbon of high pressure system of cultivating little algae for raceway pond.
Background technology:
Little algae is a class hydrobiont organism, can utilize fast and efficiently carbonic acid gas by photosynthesis, little algae contains the bioactive ingredients such as a large amount of protein, lipid, carbohydrate and amino acid, VITAMIN, polyunsaturated fatty acid, can be used as the raw material of the industries such as the energy, food, medicine.
Light and CO 2The micro algae growth essential condition, the CO in sunlight and the atmosphere 2Can provide the most cheap raw material for producing little algae.But the available CO that dissolves in the water as a rule, 2Can not fully satisfy the needs of micro algae growth, so the growth along with little algae constantly replenishes CO in the large scale culturing 2It is the effective way that improves output.Little algae can be fixedly in the photosynthesis process CO in the water 2And cause the rising of nutrient solution pH, therefore reasonably add CO 2But maintain liquid pH's is stable, guarantees that little algae grows fast.
Forefathers are to CO in the algae culture process 2Replenishment method done a lot of explorations, also obtained certain effect.A lot of directly CO of additional gaseous state in the algae liquid of cultivating such as " gas distributor ", " micropores ", " aerating apparatus " that adopt 2Although the inventor is optimized method, be difficult to overcome when extensive raceway pond is cultivated because the limited gaseous state CO that causes of medium depth 2Waste.The inventor is arranged again to directly passing into gaseous state CO 2Method improve, adopt pump housing circulation to make CO 2Gas is dissolved under certain pressure in the algae liquid of cultivation.Wherein propose use " Pendular ring type transferpump or gas-liquid mixing pump " generation " carbon dioxide mix solution " among the application for a patent for invention CN201010222051.0 and replenished the required carbon source of little algae; The number of applying for a patent is a kind of duct type carbonic acid gas carbon compensator and method for CN201110168432.X discloses, the method utilizes water pump that the algae liquid pump is mixed, dissolves with carbon dioxide that the nanometer shape with certain pressure sprays in the carbon compensator, passes in the cultivation pool after reaching certain pH value.These methods have reasonable effect really in large scale culturing, can significantly improve CO 2Utilising efficiency, but the method be by water pump directly the algae liquid pump in the carbon compensator with the CO with certain pressure 2Mix, will certainly cause the damage of algae liquid, and algae liquid can stop up the air release nanoporous described in the patent CN201110168432.X in the life-time service process.Therefore, a kind of making simply can effectively replenish CO 2, improve CO 2Utilising efficiency and the method to former pond algae liquid injury is very unnecessary.
Summary of the invention:
The object of the invention is to overcome deficiency of the prior art, provide a kind of little spray repair carbon of high pressure system of cultivating little algae for raceway pond, the CO of this system 2Utilization ratio is high, be evenly distributed and install simple.
In order to address the above problem, the present invention is achieved by the following technical solutions:
The little spray repair carbon of high pressure system of cultivating little algae for raceway pond of the present invention comprises liquid portion that highly pressurised liquid is provided, high pressure CO is provided 2Gas part, high pressure micro-spray device and mini sprinkler group, described high pressure micro-spray device comprises crust of the device, liquid inlet, several mini sprinklers, gas inlet, shower plate, liquid exit, and highly pressurised liquid enters the CO that the mini sprinkler on high pressure micro-spray device and the shower plate sprays through the liquid inlet 2The reverse two-phase of gas is mixed, formation fully be dissolved with CO 2Liquid enter the mini sprinkler group through liquid exit, the mini sprinkler group is communicated with liquid exit by pipeline, and places raceway pond bottom; Described liquid portion comprises wet tank, liquid booster pump, valve, hydraulic pressure gage, the liquid meter that is communicated with successively, and liquid meter is communicated with the liquid inlet; Described gas partly comprises gas reservoir, gas pressure reducer, gas meter, the one-way throttle valve that is communicated with successively, and described one-way throttle valve is communicated with the gas inlet.
The container of the preferred masonry structures of described wet tank material, metallic substance or organic materials.
Be provided with the easy-to-dismount sedimeter of filter cylinder between described wet tank and the liquid booster pump, make things convenient for simultaneously cleaning and replacing in the use procedure to prevent from stopping up mini sprinkler.
Liquid in the described wet tank is through micro-algae culture medium, the water of germicidal treatment or has added promotion CO 2The homogeneous liquid of dissolving solute.
Crust of the device preferred metal materials or the organic materials of described high pressure micro-spray device, its two ends semi-circular structure adopts flange to be connected with middle barreled structure.
The quantity of described high pressure micro-spray device is one or more.
Be provided with gas-filtering device between described gas reservoir and the gas pressure reducer, to remove impurity or the microorganism in the gas.
Described mini sprinkler is well known device, the mini sprinkler as conical nozzle that uses among the present invention.
Described mini sprinkler group preferably freely connects into line style mini sprinkler group, circular mini sprinkler group or its combination by a plurality of mini sprinklers and PE flexible pipe with threeway, four-way or direct-passing mode.
The preferred pvc pipe material of the pipeline of described connection mini sprinkler group and liquid exit or PBR tubing.
Compared with prior art, positively effect of the present invention is as follows:
1, the present invention adopts little jet body and highly pressurised liquid to carry out backmixing under certain pressure, is conducive to CO 2Dissolving.
2, the present invention adopts the mode of little spray being dissolved with CO 2Uniform liquid ground be scattered in the raceway pond, be conducive to contacting and utilization of little algae and carbon source.
3, the present invention adopts the former pond of non-raceway pond algae liquid (micro-algae culture medium, water or added promotion CO 2The homogeneous liquid of dissolving solute) dissolving CO 2, except the damage that reduces former pond algae liquid, also play the effect that raceway pond is replenished business source or water.
4, to adopt homogeneous liquid be CO in the present invention 2Carrier, can avoid the obstruction of mini sprinkler, well guarantee the normal operation of little spray repair carbon system.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the internal structure schematic diagram of high pressure micro-spray device 7 of the present invention.
Description of reference numerals:
The 1-wet tank, 2-sedimeter, 3-liquid booster pump, 4-valve, the 5-hydraulic pressure gage, 6-liquid meter, 7-high pressure micro-spray device, 8-one-way throttle valve, the 9-gas meter, 10-gas-filtering device, 11-gas pressure reducer, 12-gas reservoir, the little spray group of 13-line style, the circular little spray group of 14-, 15-liquid inlet, the 16-liquid exit, 17-mini sprinkler, 18-gas inlet, the 19-shower plate, 20-crust of the device, 21-flange.
Embodiment:
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment:
As depicted in figs. 1 and 2, be used for the little spray repair carbon of the high pressure system that raceway pond is cultivated little algae, comprise liquid portion that highly pressurised liquid is provided, high pressure CO is provided 2Gas part, high pressure micro-spray device 7 and mini sprinkler group.Described high pressure micro-spray device 7 comprises crust of the device 20, liquid inlet 15, several mini sprinklers 17, gas inlet 18, shower plate 19, liquid exit 16, shell 20 is metallic substance or organic materials, and its two ends semi-circular structure adopts flange 21 to be connected with middle barreled structure; Highly pressurised liquid enters the CO that the mini sprinkler 17 on high pressure micro-spray device 7 and the shower plate 19 sprays through liquid inlet 15 2The reverse two-phase of gas is mixed, formation fully be dissolved with CO 2Liquid enter the mini sprinkler group through liquid exit 16; Described mini sprinkler group connects into line style mini sprinkler group 13 and circular mini sprinkler group 14 by a plurality of mini sprinklers and PE flexible pipe in the mode of threeway, and the mini sprinkler group is communicated with liquid exit 16 by pipeline, and places the raceway pond bottom.Described liquid portion comprises wet tank 1, sedimeter 2, liquid booster pump 3, valve 4, hydraulic pressure gage 5, the liquid meter 6 that is communicated with successively, and liquid meter 6 is communicated with liquid inlet 15; Described gas partly comprises gas reservoir 12, gas-filtering device 10, gas pressure reducer 11, gas meter 9, the one-way throttle valve 8 that is communicated with successively, and described one-way throttle valve 8 is communicated with gas inlet 18.
Described wet tank 1 is selected from the container of masonry structures material, metallic substance or organic materials.Liquid in the wet tank is through micro-algae culture medium, the water of germicidal treatment or has added promotion CO 2The homogeneous liquid of dissolving solute.
CO in the gas reservoir 2Be compression CO 2, treated supercharging waste gas or stack gas.
The quantity of high pressure micro-spray device 7 can be one or more.
The pipeline that is communicated with mini sprinkler group and liquid exit adopts pvc pipe material or PBR tubing.
During the native system operation, the micro-algae culture medium of germicidal treatment flows out from wet tank 1, and the pressure with 0.3MPa after sedimeter 2 and liquid booster pump 3 superchargings enters in the high pressure micro-spray device 7 by liquid inlet 15, the CO in the gas reservoir 12 2Pressure with 0.6MPa after gas-filtering device 10 and gas pressure reducer 8 decompressions enters in the shower plate 19 by gas inlet 18, enters the micro-algae culture medium and the CO that ejects through mini sprinkler 17 of high pressure micro-spray device 7 2The reverse two-phase close contact of gas, the small CO of mini sprinkler 17 ejections 2Bubble solubleness under condition of high voltage increases, and by valve 4 control micro-algae culture medium flows, the size of medium flux is regulated according to the actual volume of culture of little algae, guarantees the normal growth of little algae, by one-way throttle valve 8 control CO 2Gas flow makes CO 2Gas reaches capacity in micro-algae culture medium, has dissolved CO 2Micro-algae culture medium enter the little spray group 13 of line style and the circular little spray group 14 that places raceway pond bottom by pipeline from liquid exit 16, finally be discharged in the raceway pond by the mini sprinkler on the little spray group 13 of line style and the circular little spray group 14.
Use the little spray repair carbon of the high pressure system that raceway pond is cultivated little algae that is used for of the present embodiment, according to the said process operation, can be conducive to CO 2Dissolving, and being dissolved with CO 2Uniform liquid ground be scattered in the raceway pond, be conducive to contacting and utilization of little algae and carbon source, reduce the damage to former pond algae liquid, for the photosynthesis of little algae provides lasting carbon source.
At last; it is also to be noted that, what more than enumerate only is specific embodiments of the invention, and this embodiment is not for restriction protection scope of the present invention; all distortion that those skilled in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.

Claims (8)

1. one kind is used for the little spray repair carbon of the high pressure system that raceway pond is cultivated little algae, it is characterized in that, comprises liquid portion that highly pressurised liquid is provided, high pressure CO is provided 2Gas part, high pressure micro-spray device (7) and mini sprinkler group, described high pressure micro-spray device (7) comprises crust of the device (20), liquid inlet (15), several mini sprinklers (17), gas inlet (18), shower plate (19), liquid exit (16), and highly pressurised liquid enters the CO that the mini sprinkler (17) on high pressure micro-spray device (7) and the shower plate (19) sprays through liquid inlet (15) 2The reverse two-phase of gas is mixed, formation fully be dissolved with CO 2Liquid enter the mini sprinkler group through liquid exit (16), the mini sprinkler group is communicated with liquid exit (16) by pipeline, and places raceway pond bottom; Described liquid portion comprises wet tank (1), liquid booster pump (3), valve (4), hydraulic pressure gage (5), the liquid meter (6) that is communicated with successively, and liquid meter (6) is communicated with liquid inlet (15); Described gas partly comprises gas reservoir (12), gas pressure reducer (11), gas meter (9), the one-way throttle valve (8) that is communicated with successively, and described one-way throttle valve (8) is communicated with gas inlet (18).
2. the little spray repair carbon of high pressure system of cultivating little algae for raceway pond according to claim 1 is characterized in that, wet tank (1) is selected from the container of masonry structures material, metallic substance or organic materials.
3. the little spray repair carbon of high pressure system of cultivating little algae for raceway pond according to claim 1 is characterized in that, is provided with sedimeter (2) between described wet tank (1) and the liquid booster pump (3).
4. the little spray repair carbon of high pressure system of cultivating little algae for raceway pond according to claim 1 is characterized in that, described crust of the device (20) is metallic substance or organic materials, and its two ends semi-circular structure adopts flange (21) to be connected with middle barreled structure.
5. the little spray repair carbon of high pressure system of cultivating little algae for raceway pond according to claim 1 is characterized in that, the quantity of described high pressure micro-spray device (7) is one or more.
6. the little spray repair carbon of high pressure system of cultivating little algae for raceway pond according to claim 1 is characterized in that, is provided with gas-filtering device (10) between described gas reservoir (12) and the gas pressure reducer (11).
7. the little spray repair carbon of high pressure system of cultivating little algae for raceway pond according to claim 1, it is characterized in that, described mini sprinkler group freely connects into line style mini sprinkler group (13), circular mini sprinkler group (14) or its combination by a plurality of mini sprinklers and PE flexible pipe with threeway, four-way or direct-passing mode.
8. the little spray repair carbon of high pressure system of cultivating little algae for raceway pond according to claim 1 is characterized in that, the pipeline of described connection mini sprinkler group and liquid exit (16) is pvc pipe material or PBR tubing.
CN201210488980.5A 2012-11-26 2012-11-26 High-pressure micro-jet carbon supplementing system for microalgae cultivation of raceway pond Active CN102943028B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103912790A (en) * 2014-03-12 2014-07-09 广东美瑞科海洋生物科技有限公司 Pipe conveying method and system for solid carbon source feeding of microorganism biomass cultivation
CN114458948A (en) * 2022-02-23 2022-05-10 中国水产科学研究院黄海水产研究所 Algae culture gas supply system and gas supply method thereof
CN114480079A (en) * 2022-03-11 2022-05-13 广东海洋大学 Photosynthetic carbon sequestration reaction system

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CN102382755A (en) * 2011-07-28 2012-03-21 中国科学院青岛生物能源与过程研究所 Microalgae culturing device and microalgae culturing method
CN202246658U (en) * 2011-09-28 2012-05-30 福清市新大泽螺旋藻有限公司 Special device for improving utilization rate of carbon dioxide in process of cultivating microalgae

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101050419A (en) * 2007-05-18 2007-10-10 王逢旦 Production apparatus for culturing tiny alga and production method
CN101280271A (en) * 2008-05-27 2008-10-08 蔡志武 Production unit for microalgae industrialization and method for producing microalgae
CN102268374A (en) * 2010-05-26 2011-12-07 北京科技大学 Method for culturing microalgae and combined photobioreactor
CN102268362A (en) * 2011-06-10 2011-12-07 薛命雄 Spirulina culturing pipeline carbon dioxide compensation device and carbon compensation method
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103912790A (en) * 2014-03-12 2014-07-09 广东美瑞科海洋生物科技有限公司 Pipe conveying method and system for solid carbon source feeding of microorganism biomass cultivation
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CN114458948B (en) * 2022-02-23 2022-12-09 中国水产科学研究院黄海水产研究所 Algae culture gas supply system and gas supply method thereof
CN114480079A (en) * 2022-03-11 2022-05-13 广东海洋大学 Photosynthetic carbon sequestration reaction system
CN114480079B (en) * 2022-03-11 2023-12-15 广东海洋大学 Photosynthetic carbon fixation reaction system

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