CN202465662U - Slope controllable microalgae breeding system - Google Patents
Slope controllable microalgae breeding system Download PDFInfo
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- CN202465662U CN202465662U CN2012200231229U CN201220023122U CN202465662U CN 202465662 U CN202465662 U CN 202465662U CN 2012200231229 U CN2012200231229 U CN 2012200231229U CN 201220023122 U CN201220023122 U CN 201220023122U CN 202465662 U CN202465662 U CN 202465662U
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
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- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
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- C12M29/22—Oxygen discharge
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
- C12M41/22—Heat exchange systems, e.g. heat jackets or outer envelopes in contact with the bioreactor walls
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Abstract
A slope controllable microalgae breeding system mainly comprises a microalgae pretreatment pool, a slope controllable microalgae breeder and a microalgae liquid collection and aftertreatment pool. The microalgae breeder is disposed on a slope with the slope ration of 1%-5%, a heat absorption coating is reserved on the microalgae breeder, and liquid can automatically flow and the temperature can rise automatically by the microalgae breeder. The heat absorption coating is coated on straight pipes of the microalgae breeder and the inner wall close to the side of a slope of a 'U'-shaped pipe. A carbon dioxide inlet is arranged on the 'U'-shaped pipe. Valves are arranged at two ends of each straight pipe. Oxygen discharging holes are further arranged on the straight pipes. A flow controller is mounted at the tail end of the microalgae breeder. Primary microalgae liquid in the pretreatment pool is led into the slope controllable microalgae breeder, and accordingly cultivation and collection of the microalgae for a period of 12-24 hours are achieved. By the slope controllable microalgae breeding system, scale cultivation of the microalgae can be achieved, the basic structure is simple and easy to implement, and requirement for industrial microalgae breeding can be met.
Description
Technical field
The utility model relates to a kind of controlled slope algae cultivating system that declines, belong to fields such as the energy, Medicines and Health Product and food.
Technical background
Along with the global economy rapid growth; The consumption of fossil energy such as oil and coal is significantly risen; Fossil energy shortage crisis is extremely urgent; Simultaneously, the Greenhouse effect that Carbon emission causes have become one of significant threat of human kind sustainable development, and seeking the alternative novel energy of environmental protection becomes the hot issue that the universe pays close attention to gradually.Through exploring for many years, scientist finds that little algae is one of final outlet that overcomes the above problems, and can produce multi-form biofuel (biofuel) with it, like methane, biofuel, Aviation Fuel, hydrogen even bio-ethanol etc.On the other hand, the breed of little algae is the photosynthesis stabilizing carbon dioxide through little algae, and gaseous carbon is changed into biological organic carbon, has reduced emission of carbon-dioxide in essence.Simultaneously, the produce oil efficient of little algae is also quite high, and in the vegetative period in 1 year, 1 hectare of corn can produce 172 liters of biomass fuels; 1 hectare of soybean can produce 446 liters; 1 hectare of Semen Brassicae campestris can be produced 1190 liters; 1 hectare of palm tree can produce 5950 liters; By theoretical measuring and calculating, 1 hectare of little algae then can produce 95000 liters of material fuel oils.In addition, the flexibility of micro algae growth is strong, and seawater, fresh water can be cultured, and any place can be located in little algae farm, can be in the saltings, clayed ground, beach and shallow sea, lake culture, do not strive ground with grain, and do not strive grain with the people.China's saltings area reaches 1.5 hundred million mu, if with 14% saltings cultivating microalgae, under the condition of technology maturation, the diesel oil amount of production just can satisfy the oily demand of using in the whole nation 50%.Therefore, utilize little algae production biomass energy to have vast potential for future development, little algal biomass energy becomes one of following most important renewable energy source probably.In addition, little algae also can be used for medicine and healthcare products, and existing at present relevant product comes into the market; Little algae rich in proteins, polysaccharide also are the feeds of aquaculture and animal cultivation, or extract as one of human food from now on.
If it is can carry out efficient large-scale artificial culture, significant aspect the Greenhouse effect that the little algae production cost of products of reply remains high and carbonic acid gas causes to little algae.The cultural method of present little algae mainly comprises: cultivate in open runway pond, closed photo bioreactor (autotrophy and heterotrophism) is cultivated.It is lower that cost is cultivated in the runway pond, but production efficiency is also lower, is unfavorable for carrying out suitability for industrialized production; Closed photo bioreactor cultivating and producing efficient is higher, but cost is also higher, under the existing market situation, can't realize suitability for industrialized production.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that prior art exists, and provides a kind of simple in structure, and is easy to implement; Can satisfy industriallization both culturing microalgae demand; Reduce energy expenditure, improve and culture efficient, the controlled slope of the improving little algae collection rate algae cultivating system that declines.
The purpose of the utility model is accomplished through following technical scheme, and it mainly comprises:
One little algae pretreatment pool is used to add nutritive salt and inserts the algae kind;
One places the slope than on the inclined-plane of 1%-5%, and the controlled sloping formula of the heat absorbing coating automatic intensification both culturing microalgae device that flows automatically is arranged on it; The flow automatically shape of automatic intensification both culturing microalgae device of this controlled sloping formula is " snakelike ", and straight tube is parallel to domatic, is formed by " U " shape pipe coupling.
One algae liquid is collected and the aftertreatment pond, is used for the collection and the subsequent disposal of algae liquid;
Said heat absorbing coating; Be applied to and constitute controlled sloping formula and flow automatically on straight tube and the inwall of " U " shape pipe of automatic intensification both culturing microalgae device near inclined-plane one side; Its area is no more than 1/3 of pipe inner area, is used to absorb solar thermal energy and improves water temperature and reduce scattered light and diffused light;
Said " U " shape pipe is provided with the carbon dioxide mouth that is used for replenishing carbonic acid gas;
Be provided with at the two ends of said each straight tube and be used for pressure-controlling, in order to avoid the valve that deoxygenation hole nutrient solution overflows;
Also be provided with the deoxygenation hole that is used to get rid of unnecessary oxygen on the described straight tube;
Be equipped with and be used to control the flow velocity of algae liquid and the flow director of flow at the flow automatically end of automatic intensification both culturing microalgae device of said controlled sloping formula.
The described length of straight pipe of the utility model is 6 m; Diameter is 0.3-0.6 m; The straight tube spacing is 0.15-0.3m, and the diameter of semicircle " U " shape pipe is straight tube diameter * 2+ straight tube spacing, and the flow automatically width of automatic intensification both culturing microalgae device of controlled sloping formula is semicircle " U " shape pipe of a 6+ diameter.
The described straight tube of the utility model is the circular or oval-shaped transparent pipeline that is made by polyethylene terephthalate or Vilaterm, and " U " shape pipe is the semi-circular transparent pipeline of processing with polyethylene terephthalate or Vilaterm.
The utility model is compared in prior art, has the consumption that can reduce energy, improves and cultures efficient; Reduce the deposition of little algae and attach wall, improve the collection rate of little algae, can realize the microalgae mass cultivation; Substruction is simple, and is easy to implement, can satisfy characteristics such as industriallization both culturing microalgae demand.
Description of drawings
Fig. 1 is the synoptic diagram of the described a kind of controllable type both culturing microalgae of the utility model system.
Embodiment
To combine accompanying drawing that the utility model is done detailed introduction below: shown in Figure 1, the described controlled slope of the utility model algae cultivating system that declines, it mainly comprises:
One little algae pretreatment pool is used to add nutritive salt and inserts the algae kind;
One places the slope than on the inclined-plane of 1%-5%, and the controlled sloping formula of the heat absorbing coating automatic intensification both culturing microalgae device 1 that flows automatically is arranged on it; The flow automatically shape of automatic intensification both culturing microalgae device of this controlled sloping formula is " snakelike ", and straight tube 2 is parallel to domatic, is formed by connecting " U " shape pipe 3.
One algae liquid is collected and the aftertreatment pond, is used for the collection and the subsequent disposal of algae liquid;
Said heat absorbing coating; Be applied to and constitute controlled sloping formula and flow automatically on straight tube 2 and " U " shape pipe 3 the inwall of automatic intensification both culturing microalgae device near inclined-plane one side; Its area is no more than 1/3 of pipe inner area, is used to absorb solar thermal energy and improves water temperature and reduce scattered light and diffused light;
Said " U " shape pipe is provided with the carbon dioxide mouth 4 that is used for replenishing carbonic acid gas;
Be provided with at the two ends of said each straight tube 2 and be used for pressure-controlling, in order to avoid the valve 5 that deoxygenation hole nutrient solution overflows;
Also be provided with the deoxygenation hole 6 that is used to get rid of unnecessary oxygen on the described straight tube 2;
Be equipped with and be used to control the flow velocity of algae liquid and the flow director 7 of flow at the flow automatically end of automatic intensification both culturing microalgae device of said controlled sloping formula.
Described straight tube 2 length of the utility model are 6 m; Diameter is 0.3-0.6 m; The straight tube spacing is 0.15-0.3m, and the diameter of semicircle " U " shape pipe 3 is straight tube diameter * 2+ straight tube spacing, and the flow automatically width of automatic intensification both culturing microalgae device of controlled sloping formula is semicircle " U " shape pipe of a 6+ diameter.
The described straight tube 2 of the utility model is the circular or oval-shaped transparent pipelines that are made by polyethylene terephthalate or Vilaterm, and " U " shape pipe 3 is semi-circular transparent pipelines of processing with polyethylene terephthalate or Vilaterm.
The utility model is cultivated algae liquid with treating in little algae pretreatment pool and is imported the sample introduction valve, and algae liquid flows into through action of gravity and is laid on the slope than the automatic intensification both culturing microalgae device that flows automatically for the controlled sloping formula on the 1%-5% inclined-plane, and carbonic acid gas supply mouth is arranged on the breeding device; Inside pipe wall has heat absorbing coating; Improve the algae liquid temp in order to absorb solar thermal energy, under the effect of gravity, algae liquid is sluggish flow from top to bottom; Be beneficial to algae liquid and carbonic acid gas thorough mixing; Improve and culture efficient, a culture cycle 12-24h can realize the once cultivation of little algae, can cultivate once more or repeatedly when concentration is not enough.
The described embodiment of the utility model is not limited to a kind of of following discloses, everyly on above-mentioned open basis, carries out arbitrarily variations such as data or replaces the technical scheme that is constituted, and is embodiments of the invention.
Embodiment one
The first cultivation is placed in the slope than on the ocean beach of 1%-5% or the artificial inclined-plane with the controlled sloping formula automatic intensification both culturing microalgae device that flows automatically.Close sample output valve, open sampling valve, open deoxygenation hole will be waited to cultivate algae liquid and imported reactor drum, fill with the back and feed an amount of carbonic acid gas, under solar light irradiation, cultivate 12 hours (daytime).Next day, open sample output valve, import and wait to cultivate algae liquid; At 10 cm/min, cultivation 12 h that flow just in time flow the algae liquid in complete the breeding device, are equivalent to the algae liquid of 20357.5 L with flow control; Wet concentration of algae by 2.0 g/L calculates; One cover system can be produced wet algae 40.7kg every day, and effective culturing time was decided to be 200 days in 1 year, and then every cover system can be produced 8.1 tons in wet algae every year.Every cover system takes up an area of 80.0m
2(breeding device takes up an area of 65.3m
2), 0.07 hectare can be placed this system's 8 covers, and then every mu can be produced 64.8 tons/year in wet algae; Close 6.48 tons/year in dried algae, calculate by 30% oleaginousness, but 1.95 tons/year of every mu of produce oils then; But 29.3 tons/year of per hectare produce oils are per hectare produce oil in every year 34398L but amount to into volume.
Correlation parameter and method of calculation:
Parameter: the diameter 0.6m of pipe; Straight tube length is 6 m; Tube spacing 0.3 m; Controlled sloping formula wide 7.5 m of automatic intensification both culturing microalgae device that flow automatically, length 8.7 (0.6 * 10+0.3 * 9) m; Flow velocity is 10 cm/min.
Method of calculation:
According to photoperiods 12 h and flow velocity 10 cm/min, can draw the every day flow and be: 12h * 60 min/h * 10 cm/min=72 m, therefore; Pipe range is 72 m; Straight tube is 10, and " U " shape pipe is 9, and the algae liquid that flows through every day is: 3.14159 * 0.3 m * 0.3m * 72 m=20.36 m
3=20360 L, by the wet concentration of algae calculating of 2.0 g/L, this system can produce bright algae 40.7kg every day, and effective culturing time was decided to be 200 days in 1 year, and every cover system can produce 8.1 tons in wet algae every year.
The utility model also can be cultured the geographical overview and the algae reproduction situation in place according to reality, take-off rate and the controlled sloping formula of the setting algae liquid quantity of automatic intensification both culturing microalgae device straight tube of flowing automatically, and concentration is not high also can cultivate once more or repeatedly if once cultivate.
Claims (3)
1. controlled slope algae cultivating system that declines is characterized in that it mainly comprises:
One little algae pretreatment pool is used to add nutritive salt and inserts the algae kind;
One places the slope than on the inclined-plane of 1%-5%, and the controlled sloping formula of the heat absorbing coating automatic intensification both culturing microalgae device that flows automatically is arranged on it; The flow automatically shape of automatic intensification both culturing microalgae device of this controlled sloping formula is " snakelike ", and straight tube is parallel to domatic, is formed by " U " shape pipe coupling;
One algae liquid is collected and the aftertreatment pond, is used for the collection and the subsequent disposal of algae liquid;
Said heat absorbing coating; Be applied to and constitute controlled sloping formula and flow automatically on straight tube and the inwall of " U " shape pipe of automatic intensification both culturing microalgae device near inclined-plane one side; Its area is no more than 1/3 of pipe inner area, is used to absorb solar thermal energy and improves water temperature and reduce scattered light and diffused light;
Said " U " shape pipe is provided with the carbon dioxide mouth that is used for replenishing carbonic acid gas;
Be provided with at the two ends of said each straight tube and be used for pressure-controlling, in order to avoid the valve that deoxygenation hole nutrient solution overflows;
Also be provided with the deoxygenation hole that is used to get rid of unnecessary oxygen on the described straight tube;
Be equipped with and be used to control the flow velocity of algae liquid and the flow director of flow at the flow automatically end of automatic intensification both culturing microalgae device of said controlled sloping formula.
2. the controlled slope according to claim 1 algae cultivating system that declines; It is characterized in that described length of straight pipe is 6 m; Diameter is 0.3-0.6 m; The straight tube spacing is 0.15-0.3m, and the diameter of semicircle " U " shape pipe is straight tube diameter * 2+ straight tube spacing, and the flow automatically width of automatic intensification both culturing microalgae device of controlled sloping formula is semicircle " U " shape pipe of a 6+ diameter.
3. the controlled slope according to claim 1 algae cultivating system that declines; It is characterized in that described straight tube is the circular or oval-shaped transparent pipeline that is made by polyethylene terephthalate or Vilaterm, " U " shape pipe is the semi-circular transparent pipeline of processing with polyethylene terephthalate or Vilaterm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200231229U CN202465662U (en) | 2012-01-18 | 2012-01-18 | Slope controllable microalgae breeding system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200231229U CN202465662U (en) | 2012-01-18 | 2012-01-18 | Slope controllable microalgae breeding system |
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| CN202465662U true CN202465662U (en) | 2012-10-03 |
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| CN2012200231229U Withdrawn - After Issue CN202465662U (en) | 2012-01-18 | 2012-01-18 | Slope controllable microalgae breeding system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102559478A (en) * | 2012-01-18 | 2012-07-11 | 杭州鑫伟低碳技术研发有限公司 | Controllable slope type microalgae cultivation system and microalgae cultivation method thereof |
| CN109187091A (en) * | 2018-09-05 | 2019-01-11 | 佛山市金净创环保技术有限公司 | A kind of sampler for supporting algae suitable for pipeline |
| CN112280652A (en) * | 2020-10-27 | 2021-01-29 | 南京师范大学镇江创新发展研究院 | Flowing type microalgae photobioreactor based on light energy gradient utilization |
-
2012
- 2012-01-18 CN CN2012200231229U patent/CN202465662U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102559478A (en) * | 2012-01-18 | 2012-07-11 | 杭州鑫伟低碳技术研发有限公司 | Controllable slope type microalgae cultivation system and microalgae cultivation method thereof |
| CN109187091A (en) * | 2018-09-05 | 2019-01-11 | 佛山市金净创环保技术有限公司 | A kind of sampler for supporting algae suitable for pipeline |
| CN109187091B (en) * | 2018-09-05 | 2020-10-30 | 邳州市鑫盛创业投资有限公司 | Sampling device suitable for pipeline is supported algae |
| CN112280652A (en) * | 2020-10-27 | 2021-01-29 | 南京师范大学镇江创新发展研究院 | Flowing type microalgae photobioreactor based on light energy gradient utilization |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20130828 |
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| RGAV | Abandon patent right to avoid regrant |