CN108849469A - A kind of air transporting arrangement supported for pipeline in algae - Google Patents
A kind of air transporting arrangement supported for pipeline in algae Download PDFInfo
- Publication number
- CN108849469A CN108849469A CN201810995838.7A CN201810995838A CN108849469A CN 108849469 A CN108849469 A CN 108849469A CN 201810995838 A CN201810995838 A CN 201810995838A CN 108849469 A CN108849469 A CN 108849469A
- Authority
- CN
- China
- Prior art keywords
- storage pipe
- pipeline
- gas
- annulus
- electromagnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G33/00—Cultivation of seaweed or algae
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/30—Constructional aspects of the propulsion means, e.g. towed by cables
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/40—Constructional aspects of the body
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
Abstract
The air transporting arrangement in algae is supported for pipeline the invention discloses a kind of, including pipeline body and the gaseous storage pipe in pipeline body;The pipeline body is nonmetal pipeline, the gaseous storage pipe can be moved along the pipeline body length direction, the gaseous storage pipe is magnetic metal part, the gaseous storage pipe includes that first gas storage pipe is managed with second gas storage, first gas storage pipe forms the closed cavity of stored gas with second gas storage pipe in connected state, the first gas storage pipe and second gas storage pipe formed under notconnect state can not stored gas cavity structure.The present invention can guarantee that algae photosynthesis normally carries out, to guarantee the growth of algae smoothly by gas transport to the lower position of gas in pipelines concentration.
Description
Technical field
The invention belongs to biological cultivation technical field more particularly to a kind of air transporting arrangements supported in algae for pipeline.
Background technique
Algae is a kind of thallophyte, is that one kind has chlorophyll, can be carried out photosynthesis, battalion's photosynthetic autotrophs
Life without vascular bundle, without the thallose of embryo, be broadly divided into planktonic algae, float algae, benthic algae three classes.
The height of the algae as present in nature mixes and disperses, and there is no a large amount of single algae can be direct
It collects, so need to carry out the culture of algae using the mode that pipeline cultivates.
During pipeline cultivates algae, photosynthesis is indispensable condition, since algae needs a large amount of titanium dioxides
The gases such as carbon carry out photosynthesis can greatly influence at the position when the gas concentration deficiency of some position in pipeline
Algae carries out photosynthesis, and then influences the growth of algae.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, provide a kind of air transporting arrangement supported in algae for pipeline, can
Smoothly by gas transport to the lower position of gas in pipelines concentration, guarantee that algae photosynthesis normally carries out, to guarantee
The growth of algae.
In order to achieve the above objectives, the technical solution adopted by the present invention is:It is a kind of to support the conveying dress of the gas in algae for pipeline
It sets, including pipeline body and the gaseous storage pipe in pipeline body;The pipeline body is nonmetal pipeline, the gas
Storage pipe can be moved along the pipeline body length direction, and the gaseous storage pipe is magnetic metal part, the gas
Storage pipe includes that first gas storage pipe is managed with second gas storage, and the first gas storage pipe is stored with the second gas
Pipe forms the closed cavity of stored gas in connected state, and the first gas storage pipe exists with second gas storage pipe
Under notconnect state formed can not stored gas cavity structure.
In a preferred embodiment of the present invention, the pipeline body surface is provided with the first annulus and the second annulus, described
First annulus can be moved with second annulus along the pipeline body length direction, first annulus and described the
One gaseous storage pipe position is corresponding, and second annulus is corresponding with second gas storage pipe position.
In a preferred embodiment of the present invention, it is provided with the first electromagnet on first annulus, on second annulus
It is provided with the second electromagnet, first electromagnet can store pipe to the first gas and generate magnetic force after being powered, and described the
Two electromagnet can store pipe to the second gas after being powered and generate magnetic force.
In a preferred embodiment of the present invention, first annulus and second annulus are plastic part.
In a preferred embodiment of the present invention, first electromagnet can circumferentially be moved along first annulus,
Second electromagnet can circumferentially be moved along second annulus, and first electromagnet and second electromagnet are equal
It is electrically connected with external power supply.
Company in a preferred embodiment of the present invention, between the first gas storage pipe and second gas storage pipe
Connecing mode is detachable connection.
In a preferred embodiment of the present invention, the first gas storage pipe passes through screw thread with second gas storage pipe
Structure connection.
In a preferred embodiment of the present invention, the gaseous storage pipe is connected by the inner wall of universal wheel and the pipeline body
It connects.
In a preferred embodiment of the present invention, the universal wheel is flexible piece.
The invention solves the defect existing in the background technology, and the present invention has following beneficial effect:
(1) gaseous storage pipe can be by gas transport to the lower position of gas in pipelines concentration, to improve the position
The gas concentration at place is set, guarantees that algae can go on smoothly photosynthesis, and then guarantee the normal growth of algae;
(2) gaseous storage pipe is designed using magnetic metal part, guarantees the magneticaction by electromagnet;
(3) first electromagnet can drive first gas storage while along the first annulus circumferential movement by magnetic force
Pipe is rotated, and so as to change the connection status between first gas storage pipe and second gas storage pipe, guarantees gas
It can volatilize from gaseous storage pipe, into pipeline body;
(4) first electromagnet are used cooperatively with the second electromagnet, can change first gas storage pipe more conveniently
Connection status between second gas storage pipe, makes gas be easier to volatilize from gaseous storage pipe, into pipeline body;
(5) universal wheel can play guiding role, and avoid gaseous storage pipe and connect with the direct of pipeline body inner wall
Touching, prevents pipeline body to be damaged;
(6) first annulus and the second annulus be all made of products design, avoids by the first electromagnet, the second electromagnet
Magneticaction.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples;
Fig. 1 is the axonometric drawing of the preferred embodiment of the present invention;
Fig. 2 is the schematic diagram of internal structure of the preferred embodiment of the present invention pipeline body;
Fig. 3 is the explosive view of Fig. 2;
In figure:1, pipeline body;2, gaseous storage pipe;21, first gas storage pipe;22, second gas storage pipe;3,
One annulus;4, the first electromagnet;5, the second annulus;6, the second electromagnet;7, universal wheel.
Specific embodiment
Presently in connection with drawings and examples, the present invention is described in further detail, these attached drawings are simplified signal
Figure, the basic structure of the invention will be illustrated schematically only, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of to support the air transporting arrangement in algae, including pipeline body 1 and position for pipeline
In the gaseous storage pipe 2 in pipeline body 1;Pipeline body 1 is plastic part, and gaseous storage pipe 2 can be along 1 length side of pipeline body
To being moved, gaseous storage pipe 2 is magnetic metal part, and gaseous storage pipe 2 includes first gas storage pipe 21 and second gas
Pipe 22 is stored, first gas storage pipe 21 and second gas storage pipe 22 form the confined air of stored gas in connected state
Chamber, first gas storage pipe 21 and second gas storage pipe 22 formed under notconnect state can not stored gas cavity knot
Structure, using gas storage pipe 2 of the present invention can be somebody's turn to do at gas transport to the lower position of gas in pipelines concentration to improve
Gas concentration at position guarantees that algae can go on smoothly photosynthesis, and then guarantees the normal growth of algae, pipeline body
1 uses plastic part, avoids being influenced by electromagnet magnetic force, and gaseous storage pipe 2 is designed using magnetic metal part, guarantees by electricity
The magneticaction of magnet, when first gas storage pipe 21 is under connection status with second gas storage pipe 22, gas is located at
In gaseous storage pipe 2, when first gas storage pipe 21 is under notconnect state with second gas storage pipe 22, gas will
It is evaporated from gaseous storage pipe 2, into pipeline body 1.
Further, 1 surface of pipeline body is provided with the first annulus 3 and the second annulus 5, the first annulus 3 and the second annulus 5
It can be moved along 1 length direction of pipeline body, the first annulus 3 is corresponding with first gas storage 21 position of pipe, the second annulus 5
Corresponding with second gas storage 22 position of pipe, the first annulus 3 is moved with the second annulus 5 along 1 length direction of pipeline body, from
And gaseous storage pipe 2 can be driven to be moved along 1 length direction of pipeline body, change gaseous storage pipe 2 in pipeline body 1
Position.
Further, it is provided with the first electromagnet 4 on the first annulus 3, the second electromagnet 6 is provided on the second annulus 5, the
One electromagnet 4 can store pipe 21 after being powered to first gas and generate magnetic force, and the second electromagnet 6 can be to second gas after being powered
Storing the generation magnetic force of pipe 22 can be effectively to gas after corresponding electromagnet generates magnetic force with corresponding gaseous storage pipe 2
Storage pipe 2 is controlled.
Specifically, the first annulus 3 and the second annulus 5 are plastic part, and the first annulus 3 and the second annulus 5 are all made of plastics
Part design, avoids the magneticaction by the first electromagnet 4, the second electromagnet 6.
Further, the first electromagnet 4 can circumferentially be moved along the first annulus 3, and the second electromagnet 6 can be along second
Annulus 5 is circumferential to be moved, and the first electromagnet 4 can drive first by magnetic force while along the first 3 circumferential movement of annulus
Gaseous storage pipe 21 is rotated, so as to change the connection between first gas storage pipe 21 and second gas storage pipe 22
State guarantees that gas can volatilize from gaseous storage pipe 2, into pipeline body 1, the first electromagnet 4 and the second electromagnet 6
It is electrically connected with external power supply, the electric on off operating mode of the first electromagnet 4, the second electromagnet 6 is controlled by external power supply, in turn
Control the magnetic force of the first electromagnet 4, the second electromagnet 6.
Specifically, the connection type between first gas storage pipe 21 and second gas storage pipe 22 is detachable company
It connects, using detachable connection, the first electromagnet 4 is used cooperatively with the second electromagnet 6, can change first more conveniently
Connection status between gaseous storage pipe 21 and second gas storage pipe 22, makes gas be easier to volatilize from gaseous storage pipe 2,
Into in pipeline body 1.
Specifically, first gas storage pipe 21 is connect with second gas storage pipe 22 by helicitic texture, is connected using screw thread
It connects, sealing element can be added at link position, realize the complete seal to gaseous storage pipe 2, guarantee that gas will not be from sealing position
Place's leakage is set, using threaded connection, when the first electromagnet 4 is along the first 3 circumferential movement of annulus, first gas is driven to store pipe 21
It is rotated, to change the connection status of first gas storage pipe 21 and second gas storage pipe 22, finally makes gaseous storage
Gas in pipe 2 enters in pipeline body 1, guarantees that the photosynthesis of algae is gone on smoothly.
Further, gaseous storage pipe 2 is connect by universal wheel 7 with the inner wall of pipeline body 1, and universal wheel 7 can play
Guiding role, and avoid gaseous storage pipe 2 and contacted with the direct of 1 inner wall of pipeline body, prevent pipeline body 1 from being damaged
Wound.
Specifically, universal wheel 7 is flexible piece, can preferably carry out guiding role using the universal wheel 7 that flexible piece designs,
Pipeline body 1 is avoided to be damaged.
To sum up, using gas storage pipe 2 of the present invention can be by gas transport to the lower position of gas in pipelines concentration
Place is set, to improve the gas concentration at the position, guarantees that algae can go on smoothly photosynthesis, and then guarantee algae just
It is frequently grown.
Based on the above description of the preferred embodiments of the present invention, through the above description, related personnel completely can be with
Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention
It is not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (9)
1. a kind of air transporting arrangement supported for pipeline in algae, it is characterised in that:Including pipeline body and it is located at pipeline body
Interior gaseous storage pipe;The pipeline body is nonmetal pipeline, and the gaseous storage pipe can be along the pipeline body length
Direction is moved, and the gaseous storage pipe is magnetic metal part, and the gaseous storage pipe includes first gas storage Guan Yu
Two gaseous storage pipes, the first gas storage pipe form stored gas with second gas storage pipe in connected state
Closed cavity, the first gas storage pipe is formed under notconnect state with second gas storage pipe can not stored gas
Cavity structure.
2. a kind of air transporting arrangement supported for pipeline in algae according to claim 1, it is characterised in that:The pipeline
Body surface is provided with the first annulus and the second annulus, and first annulus and second annulus can be along the pipeline bodies
Length direction is moved, and first annulus and the first gas storage pipe position are corresponding, second annulus with it is described
It is corresponding that second gas stores pipe position.
3. a kind of air transporting arrangement supported for pipeline in algae according to claim 2, it is characterised in that:Described first
It is provided with the first electromagnet on annulus, the second electromagnet, energy after first electromagnet is powered are provided on second annulus
Enough to generate magnetic force to first gas storage pipe, second electromagnet can store pipe to the second gas after being powered and produce
Magnetisation power.
4. a kind of air transporting arrangement supported for pipeline in algae according to claim 2 or 3, it is characterised in that:It is described
First annulus and second annulus are plastic part.
5. a kind of air transporting arrangement supported for pipeline in algae according to claim 3, it is characterised in that:Described first
Electromagnet can circumferentially be moved along first annulus, and second electromagnet can circumferentially be carried out along second annulus
Movement, first electromagnet and second electromagnet are electrically connected with external power supply.
6. a kind of air transporting arrangement supported for pipeline in algae according to claim 1, it is characterised in that:Described first
Connection type between gaseous storage pipe and second gas storage pipe is detachable connection.
7. a kind of air transporting arrangement supported for pipeline in algae according to claim 6, it is characterised in that:Described first
Gaseous storage pipe is connect with second gas storage pipe by helicitic texture.
8. a kind of air transporting arrangement supported for pipeline in algae according to claim 1, it is characterised in that:The gas
Storage pipe is connect by universal wheel with the inner wall of the pipeline body.
9. a kind of air transporting arrangement supported for pipeline in algae according to claim 8, it is characterised in that:It is described universal
Wheel is flexible piece.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810995838.7A CN108849469B (en) | 2018-08-29 | 2018-08-29 | Gas conveying device used in pipeline algae cultivation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810995838.7A CN108849469B (en) | 2018-08-29 | 2018-08-29 | Gas conveying device used in pipeline algae cultivation |
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Publication Number | Publication Date |
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CN108849469A true CN108849469A (en) | 2018-11-23 |
CN108849469B CN108849469B (en) | 2020-11-24 |
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CN201810995838.7A Active CN108849469B (en) | 2018-08-29 | 2018-08-29 | Gas conveying device used in pipeline algae cultivation |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112297483A (en) * | 2020-10-09 | 2021-02-02 | 江苏诚泰车辆有限公司 | Avoid waste gas pollution's vulcanizer for tire processing |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4324068A (en) * | 1980-03-03 | 1982-04-13 | Sax Zzyzx, Ltd. | Production of algae |
CN2351950Y (en) * | 1998-09-01 | 1999-12-08 | 中国科学院海洋研究所 | Algae cultivation reactor |
CN102268362A (en) * | 2011-06-10 | 2011-12-07 | 薛命雄 | Spirulina culturing pipeline carbon dioxide compensation device and carbon compensation method |
CN106754249A (en) * | 2017-01-17 | 2017-05-31 | 江西电力职业技术学院 | Microalgae tubular reactor and its system |
CN206799615U (en) * | 2017-03-29 | 2017-12-26 | 厦门中研融源科技有限公司 | A kind of new microdisk electrode pipeline |
CN206814778U (en) * | 2017-06-12 | 2017-12-29 | 李永亮 | A kind of connecting tube, microalgae culturing device adopting and both culturing microalgae system |
CN207567231U (en) * | 2017-11-29 | 2018-07-03 | 河西学院 | The device of utilization rate of carbon dioxide in a kind of raising both culturing microalgae |
-
2018
- 2018-08-29 CN CN201810995838.7A patent/CN108849469B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4324068A (en) * | 1980-03-03 | 1982-04-13 | Sax Zzyzx, Ltd. | Production of algae |
CN2351950Y (en) * | 1998-09-01 | 1999-12-08 | 中国科学院海洋研究所 | Algae cultivation reactor |
CN102268362A (en) * | 2011-06-10 | 2011-12-07 | 薛命雄 | Spirulina culturing pipeline carbon dioxide compensation device and carbon compensation method |
CN106754249A (en) * | 2017-01-17 | 2017-05-31 | 江西电力职业技术学院 | Microalgae tubular reactor and its system |
CN206799615U (en) * | 2017-03-29 | 2017-12-26 | 厦门中研融源科技有限公司 | A kind of new microdisk electrode pipeline |
CN206814778U (en) * | 2017-06-12 | 2017-12-29 | 李永亮 | A kind of connecting tube, microalgae culturing device adopting and both culturing microalgae system |
CN207567231U (en) * | 2017-11-29 | 2018-07-03 | 河西学院 | The device of utilization rate of carbon dioxide in a kind of raising both culturing microalgae |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112297483A (en) * | 2020-10-09 | 2021-02-02 | 江苏诚泰车辆有限公司 | Avoid waste gas pollution's vulcanizer for tire processing |
CN112297483B (en) * | 2020-10-09 | 2021-09-14 | 江苏诚泰车辆有限公司 | Avoid waste gas pollution's vulcanizer for tire processing |
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Effective date of registration: 20201105 Address after: Building D, No.38 Guangming Road, high tech Zone, Donghai County, Lianyungang City, Jiangsu Province Applicant after: Jiangsu Honghao Intelligent Technology Co.,Ltd. Address before: 528200 Foshan, Guicheng, Guangdong, Guicheng road three 1 road, 1 golden field Plaza 433 room two Applicant before: FOSHAN JINJINGCHUANG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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