CN203498388U - Device for increasing carbon dioxide utilization rate in microalgae cultivation - Google Patents
Device for increasing carbon dioxide utilization rate in microalgae cultivation Download PDFInfo
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- CN203498388U CN203498388U CN201320592957.0U CN201320592957U CN203498388U CN 203498388 U CN203498388 U CN 203498388U CN 201320592957 U CN201320592957 U CN 201320592957U CN 203498388 U CN203498388 U CN 203498388U
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- gas
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- air seal
- carbon dioxide
- mixing device
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Abstract
The utility model relates to a device for increasing carbon dioxide utilization rate in microalgae cultivation. A gas seal cover is arranged inside a culture pond, wherein an opening is formed in the bottom end of the gas seal cover which is arranged at an interval with the bottom of the culture pond; a gas inlet is formed in the top end face of the gas seal cover, and an exhaust valve is formed at the top end face of the gas seal cover; the gas inlet of the gas seal cover is connected with a carbon dioxide air storage tank through an air supply line; a pressure gage is arranged on the air supply line; a gas-liquid mixing device is also arranged inside the culture pond, and is arranged at the position inside a cover body of the gas seal cover and below the liquid level. The gas-liquid mixing device is additionally arranged on the device, so that the absorption content and the dissolution rate of carbon dioxide in microalgae culture suspension can be effectively increased by cycle dissolution of carbon dioxide gas. Rising un-dissolved gas is collected and dissolved in a cycling manner, so that the utilization efficiency of the gas can be greatly increased, the cultivation cost of microalgae is reduced, and a bad effect on the environment is not generated.
Description
Technical field
The utility model belongs to both culturing microalgae technical field, relates to circulation releasing device, especially a kind of device that improves utilization rate of carbon dioxide in both culturing microalgae.
Background technology
Micro-algae is autotrophic microorganism, and the carbonic acid gas of take carries out growth and breeding as carbon source.The production of micro-algae has many benefits to the mankind's life.Micro-algae is of a great variety, in cell, contain the multiple nutritional components such as protein, lipid material, polysaccharide, become the important sources of human health care's based food and related industries raw material, aspect medicine, food, animal-feed, biotechnology and renewable energy source, had huge reality and potentiality value.
Traditional micro-algae production technique, especially the production of spirulina provides carbon source by a large amount of sodium bicarbonate, and in recent years along with the improvement of technique, gradually adopt and utilize the industrial production that carbonic acid gas is micro-algae that carbon source is provided, but owing to taking directly to pass into carbonic acid gas in culturing pool, cause the utilization ratio of carbonic acid gas not high, cause huge waste, not only waste money, has also caused great amount of carbon dioxide again to enter in atmosphere, unfavorable to environment.
By patent retrieval, find, have in recent years many pieces about improving the device of utilization rate of carbon dioxide, but these install some installation complexity, cost is higher, practicality is not strong, and some designs for improving closed photo bioreactor, more representational being described below:
1, spirulina carbon dioxide circulation releasing device (CN201132831) is supported in a kind of pond, it is provided with carbon dioxide circulation releasing device between spirulina breeding pool wall and dividing wall, this device is, in culturing pool bottom, a recessed air release pond is set, the middle part in pond is provided with a drainage baffle plate, bottom, pond is provided with carbon dioxide releasing tube, releasing tube is communicated with gas transmission main by gas transmission arm, gas collection cap is equipped with on the top corresponding with air release pond, the top of collecting hood is communicated with collector and delivery pipe by collection tube, collector and delivery pipe is connected with the inlet mouth of supercharging blower by gas pipe line, the output terminal of supercharging blower is communicated with gas transmission main.
The application compares and has increased Liqiud-gas mixing device and pressure control device with above-mentioned patent, and does not adopt recessed air release groove, and drainage retaining device is not also set.
2, a kind of algal culture pond microporous pipe is filled CO2 and charge supervisory system (102268368A), comprise culturing pool 1, waterwheel runner 2, gas skirt 3, carbonic acid gas air-supply duct 4, microporous pipe 5, pH value sampling head 6, Chi Shui cuts off 7, pond water 8, magnetic valve 9, controller 10, it is outer and fixed with the outlet UNICOM of magnetic valve 9 that one end of carbonic acid gas air-supply duct 4 is placed in culturing pool 1, carbonic acid gas air-supply duct 4 is put by the pond base fabric of culturing pool 1, one end of 1～20 microporous pipe 5 is fixed at a distance of 2m～30m and carbonic acid gas air-supply duct 4 UNICOMs abreast respectively at the bottom of pond, the other end sealing of microporous pipe 5, Chi Shui cuts off 7 the vertical dimidiation of culturing pool 1, Chi Shui cuts off 7 two ends and is separated with the distance of 1～10m with culturing pool cross wall face, waterwheel runner 2 one end are placed on a side longitudinal wall middle part of culturing pool 1, the other end of waterwheel runner 2, across culturing pool 1 the fixing middle part of pool water within partition 7, can rotate on the culturing pool water surface, on the pond water surface above each root microporous pipe 5, be all covered with a gas skirt 3, the length of the length of gas skirt 3 and microporous pipe 5 is suitable, the wide 0.5～5m of gas skirt 3, 8, the pond water of culturing pool 1 is gone up, 3 of two gas skirts, is arranged a pH value sampling head 6, the signal input end of controller 10 and 6 connections of each pH value sampling head, and the signal output end of controller and magnetic valve 9 connect.
The application compares with above-mentioned patent, and the application adopts has increased Liqiud-gas mixing device, and this mixing device can be simply oxygen-increasing device in fishpond, also can designed, designed, and more convenient and practical, cost is lower.
Utility model content
The purpose of this utility model is to provide that a kind of gas circulation is abundant, convenient and practical, cost is lower, simple in structure, the device of utilization rate of carbon dioxide in practical raising both culturing microalgae.
The scheme of technical solution problem of the present utility model is as follows:
A kind of device that improves utilization rate of carbon dioxide in both culturing microalgae, it is characterized in that: comprise culturing pool, air seal cover, Liqiud-gas mixing device, carbonic acid gas gas-holder, tensimeter, perfusion culture liquid in culturing pool, the inside of culturing pool arranges air seal cover, at the bottom of the bottom end opening of air seal cover and culturing pool pond, interval arranges, opening end stretches into below nutrient solution liquid level, air seal cover top end face connects carbonic acid gas gas-holder by supply air line, air seal cover top end face is installed vent valve, the culturing pool bottom of air seal cover lower end arranges a Liqiud-gas mixing device, the position of Liqiud-gas mixing device below the inner nutrient solution liquid level of air seal cover cover body, the water-in end of Liqiud-gas mixing device stretches out downwards beyond air seal cover, more than the inlet mouth of Liqiud-gas mixing device protrudes upward the liquid level of air seal cover inside, the water outlet end of Liqiud-gas mixing device is below the inner liquid level of air seal cover.
And, in a side of culturing pool inside, stirring rake is installed.
And, on described supply air line, tensimeter is set.
Of the present utility model a little as follows with positively effect:
1, this device has increased Liqiud-gas mixing device, circulation by carbon dioxide is dissolved, can effectively increase absorption content and the dissolution rate of carbonic acid gas in both culturing microalgae algae liquid, and the undissolved gas of ascension is collected to circulation dissolving, can greatly improve the utilising efficiency of gas, reduce the aquaculture cost of micro-algae, can not cause detrimentally affect to environment.
2, working pressure table in this device, the pressure in can effective control seal closure, can increase the carbon dioxide solubility pressure of water in the body of pond on the one hand, can also regulate in time the stressed of seal closure on the other hand, reduces dangerous.
3, the mixing device using in this device is oxygen-increasing device in fishpond, can buy, also can designed, designed, effectively cost-saving.
4, this installs main equipment and is conventional equipment, and without special seal or pressure requirement, operational conditions is gentle, without high temperature, reaction under high pressure, has the advantages such as simple in structure, practical.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is further described, but the claimed scope of the utility model is not limited to the scope that embodiment expresses.Anyly be well versed in related art techniques person, within not departing from spirit and scope of the present utility model, when changing slightly and retouch.What therefore, scope of patent protection of the present utility model defined depending on the appended claim of this specification sheets is as the criterion.
The gas circulation releasing device that this application novel embodiment is given is the device that improves carbon dioxide in process of cultivating microalgae gas effciency, referring specifically to Fig. 1.
A kind of device that improves utilization rate of carbon dioxide in both culturing microalgae, comprise culturing pool 1, air seal cover 2, Liqiud-gas mixing device 9, carbonic acid gas gas-holder 6, tensimeter 5, perfusion culture liquid in culturing pool, the inner bottom surface of culturing pool is installed a square or circular air seal cover by support, the bottom end opening of air seal cover and arranging with interval at the bottom of culturing pool pond, opening end stretches into below nutrient solution liquid level, air seal cover top end face is shaped with respectively carbon dioxide entrance and vent valve 4, the gas inlet of air seal cover connects carbonic acid gas gas-holder by supply air line 3, tensimeter is set on supply air line, on culturing pool inner bottom surface, by support, one Liqiud-gas mixing device is installed, Liqiud-gas mixing device is in air seal cover cover body inside and the position below liquid level, water-in 10 ends of Liqiud-gas mixing device stretch out downwards beyond air seal cover, water outlet 7 ends of Liqiud-gas mixing device are below the inner liquid level of air seal cover, more than the inlet mouth 8 of Liqiud-gas mixing device protrudes upward the liquid level of air seal cover inside.
Injecting gas in air seal cover, by Liqiud-gas mixing device, make the algae liquid of gas and suction be mixed rapidly backward outer injection by atwirl stirring rake, gas is broken into small bubbles, and a part of gas dissolving is in algae liquid, and undissolved gas makes progress ascension to seal closure.
In order to improve the device of utilization rate of carbon dioxide, be placed in culturing pool, in a side of culturing pool, be provided with stirring rake (not shown), under stirring rake works, in culturing pool, algae liquid can ceaselessly circulate.
The mixing device using in this device is oxygen-increasing device in fishpond, and effect is that liquid is fully mixed with gas, after mixing, discharges.
This device is suitable for the big pool cultivated spirulina of industrial production, micro-algaes such as chlorella, salt algae, a shape nostoc, chrysophyceae, Nitzschia closterium minutissima.
The operation of this device is described as follows:
Liqiud-gas mixing device water-in also sucks carbonic acid gas by Liqiud-gas mixing device inlet mouth from the nutrient solution of air seal cover bottom suction seal cover outside simultaneously from air seal cover, thereby it is mixed in Liqiud-gas mixing device, mixed gas and liquid mixture ejects in air seal cover by Liqiud-gas mixing device water outlet, so a part of gas dissolving is in the algae liquid of seal closure, ascension is to air seal cover for undissolved gas, and carbon dioxide constantly dissolves by this circulation.In addition, by carbonic acid gas gas-holder and steam line, constantly in air seal cover, pass into gas.In addition, the gas of controlling in air seal cover by tensimeter does not overflow seal closure, makes it to keep relative stability constant, opens vent valve every day once, discharges the oxygen that in seal closure, algae photosynthesis produces.
Claims (3)
1. a device that improves utilization rate of carbon dioxide in both culturing microalgae, it is characterized in that: comprise culturing pool, air seal cover, Liqiud-gas mixing device, carbonic acid gas gas-holder, tensimeter, perfusion culture liquid in culturing pool, the inside of culturing pool arranges air seal cover, at the bottom of the bottom end opening of air seal cover and culturing pool pond, interval arranges, opening end stretches into below nutrient solution liquid level, air seal cover top end face connects carbonic acid gas gas-holder by supply air line, air seal cover top end face is installed vent valve, the culturing pool bottom of air seal cover lower end arranges a Liqiud-gas mixing device, the position of Liqiud-gas mixing device below the inner nutrient solution liquid level of air seal cover cover body, the water-in end of Liqiud-gas mixing device stretches out downwards beyond air seal cover, more than the inlet mouth of Liqiud-gas mixing device protrudes upward the liquid level of air seal cover inside, the water outlet end of Liqiud-gas mixing device is below the inner liquid level of air seal cover.
2. the device of utilization rate of carbon dioxide in raising both culturing microalgae according to claim 1, is characterized in that: the side in culturing pool inside is installed stirring rake.
3. the device of utilization rate of carbon dioxide in raising both culturing microalgae according to claim 1, is characterized in that: on described supply air line, tensimeter is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320592957.0U CN203498388U (en) | 2013-09-24 | 2013-09-24 | Device for increasing carbon dioxide utilization rate in microalgae cultivation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320592957.0U CN203498388U (en) | 2013-09-24 | 2013-09-24 | Device for increasing carbon dioxide utilization rate in microalgae cultivation |
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| Publication Number | Publication Date |
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| CN203498388U true CN203498388U (en) | 2014-03-26 |
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| CN201320592957.0U Expired - Fee Related CN203498388U (en) | 2013-09-24 | 2013-09-24 | Device for increasing carbon dioxide utilization rate in microalgae cultivation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404168A (en) * | 2022-11-01 | 2022-11-29 | 山东滨州八匹马塑料化纤制品有限公司 | Marine microalgae cultivation method |
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2013
- 2013-09-24 CN CN201320592957.0U patent/CN203498388U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404168A (en) * | 2022-11-01 | 2022-11-29 | 山东滨州八匹马塑料化纤制品有限公司 | Marine microalgae cultivation method |
| CN115404168B (en) * | 2022-11-01 | 2023-05-12 | 山东滨州八匹马塑料化纤制品有限公司 | Marine microalgae cultivation method |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20190924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |