CN114342868A - Oxygenation device based on rotary shearing form tiny bubbles - Google Patents
Oxygenation device based on rotary shearing form tiny bubbles Download PDFInfo
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- CN114342868A CN114342868A CN202210064715.8A CN202210064715A CN114342868A CN 114342868 A CN114342868 A CN 114342868A CN 202210064715 A CN202210064715 A CN 202210064715A CN 114342868 A CN114342868 A CN 114342868A
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- gas
- motor
- head
- inflating head
- type inflating
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- 238000006213 oxygenation reaction Methods 0.000 title claims abstract description 35
- 238000010008 shearing Methods 0.000 title claims abstract description 17
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 6
- 230000001706 oxygenating effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 52
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 17
- 239000001301 oxygen Substances 0.000 abstract description 17
- 229910052760 oxygen Inorganic materials 0.000 abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 238000005273 aeration Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000009360 aquaculture Methods 0.000 description 3
- 244000144974 aquaculture Species 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 235000021075 protein intake Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention provides an oxygenation and oxygenation device based on micro-bubbles in a rotary shearing mode, which comprises a motor, a gas conveying structure and a pivoting type inflating head; the surface of the pivoting type inflating head is provided with an air hole; the gas conveying structure is connected to the pivoting type inflating head and is used for conveying gas to the inside of the pivoting type inflating head; the motor is connected to the pivoting type inflating head through a rigid structure and is used for driving the pivoting type inflating head to rotate. After the technical scheme is adopted, the motor drives different air charging devices to rotate to form shearing force, the shearing force acts on generated bubbles, the bubbles can be rapidly discharged out of the oxygen increasing device under the action of stress, and the micro bubbles are conveyed into a culture water body. The oxygen increasing mode improves the gas-liquid contact area, leads the aeration to be more uniform, improves the aeration effect and ensures the utilization rate of oxygen.
Description
Technical Field
The invention relates to special equipment for aquaculture, in particular to an oxygenation device based on rotary shearing form micro bubbles.
Background
With the improvement of the living standard of the people in China and the continuous development of the breeding industry, aquatic products become the main source of high-quality protein intake of people. However, in the process of excessively pursuing economic benefits, fishery production space is squeezed, cultivation land, water and labor resources are sharply reduced, cultivation density is artificially increased continuously, and the water environment is deteriorated due to the increase of oxygen consumption.
The conventional fishpond oxygen increasing device generally comprises two types of water pushing and oxygen increasing and aeration, wherein the water pushing and oxygen increasing are generally realized by stirring through impellers on the water surface, but the contact time of air and water is short in the mode, so that less effective gas for increasing dissolved oxygen in water is available, and the oxygen increasing efficiency is limited; the prior aeration and oxygenation technology is that a Roots blower blows air into water through an aeration head, but the bubbles generated by the method are large, oxygen in the bubbles is not fully contacted with the water and then is dissipated into the air, and the increase of dissolved oxygen is limited. In order to increase the dissolved oxygen efficiency, various microporous oxygen increasing devices are developed and designed, but the defects of short service life, easy blockage of pipelines and inconvenient maintenance still exist.
In view of the situation that the current culture density is continuously increased, but the conventional fishpond oxygenation device generates large bubbles, the oxygenation efficiency is low, the service life of the micropore oxygenation device is short, a pipeline is easy to block, and the maintenance is inconvenient, a novel efficient oxygenation device needs to be designed. The invention designs an oxygenation device based on tiny bubbles in a rotary shearing mode by utilizing the principle that the formed tiny bubbles can be quickly discharged out of the oxygenation device under the action of a moving shearing force and the bubbles can be quickly separated from an uneven surface.
Disclosure of Invention
The invention provides an oxygenation device based on micro bubbles in a rotary shearing mode, aiming at the problems of large bubbles and low oxygenation efficiency of a fishpond oxygenation device.
The technical scheme provided by the invention is as follows:
an oxygenation device based on micro-bubbles in a rotary shearing mode comprises a motor, a gas conveying structure and a pivoting type inflating head; the surface of the pivoting type inflating head is provided with an air hole; the gas conveying structure is connected to the pivoting type inflating head and is used for conveying gas to the inside of the pivoting type inflating head; the motor is connected to the pivoting type inflating head through a rigid structure and is used for driving the pivoting type inflating head to rotate.
Furthermore, the gas conveying device comprises an inflation tube, a gas channel in the motor, a gas pipeline and a gas channel in the axial rotation type inflation head;
one end of the gas-filled pipe is connected with an external gas generating device, and the other end of the gas-filled pipe is connected with the fixed end of the rotating shaft of the motor; the air channel in the motor is positioned between the fixed end of the rotating shaft of the motor and the free end of the rotating shaft of the motor; the free end of the rotating shaft of the motor is connected with one end of the gas pipeline; the gas pipeline is the rigid structure, and the other end of the gas pipeline is connected to one side of the pivoting type inflating head; the gas channel in the pivoting type inflating head is used for receiving gas introduced into the pivoting type inflating head from a gas pipeline, and one end of the gas channel, which is not connected with the gas pipeline, is sealed;
the fixed end of the motor rotating shaft is fixed with the motor body, the free end of the motor rotating shaft rotates relative to the motor body when the motor is started, and the gas channel in the motor is used for conveying gas between the gas filling pipe and the gas pipeline.
Furthermore, the pivoting type inflation head can adopt a cylinder structure, the side surface of the cylinder is uneven, and the air holes are formed in the cylinder.
Furthermore, the pivoting type inflating head can adopt a disc structure, the surface of one side, close to the motor, of the disc is uneven, and the disc is provided with the air holes.
Furthermore, the pivoting type inflating head is made of porous ceramic, the surface of the pivoting type inflating head is uneven, a pore channel structure is arranged inside the pivoting type inflating head, and gas conveyed into the porous ceramic by the gas conveying structure reaches the air holes in the surface of the porous ceramic through the pore channel structure.
The invention has the following beneficial effects: after the technical scheme is adopted, the motor drives different air charging devices to rotate to form shearing force, the shearing force acts on generated bubbles, the bubbles can be rapidly discharged out of the oxygen increasing device under the action of stress, and the micro bubbles are conveyed into a culture water body. The oxygen increasing mode improves the gas-liquid contact area, leads the aeration to be more uniform, improves the aeration effect and ensures the utilization rate of oxygen.
Drawings
FIG. 1 is a schematic side view and sectional view of an apparatus according to example 1 of the present invention;
FIG. 2 is a schematic view of the overall structure of an apparatus according to embodiment 2 of the present invention;
wherein, 1-an inflation tube; 2-fixed end of motor shaft; 3-an electric motor; 4-passage of gas inside the motor; 5-free end of motor shaft; 6-a gas pipeline; 7-micro bubbles; 8-column-shaped axial rotation type gas channel in the inflation head; 9-air holes; 10-column-shaped axial rotation type inflating head; 11-a gas channel in the disc-type axial rotation inflating head; 12-disc pivoting inflation head.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
Example 1
As shown in figure 1, the oxygen charging and increasing device based on the micro-bubbles in the form of rotating and shearing comprises an air charging pipe 1, a motor rotating shaft fixing end 2, a motor 3, a motor inner air channel 4, a motor rotating shaft free end 5, an air pipeline 6, a columnar axial rotation type air charging head inner air channel 8, an air hole 9 and a columnar axial rotation type air charging head 10.
The columnar pivoting type inflating head 10 is made of porous ceramic, the side face of the columnar pivoting type inflating head is uneven and provided with air holes 9, a pore channel structure is arranged inside the columnar pivoting type inflating head, and an air channel 8 is arranged at the axis part of the columnar pivoting type inflating head.
The axial rotation type oxygenation device of this embodiment is through external gaseous generating device with gaseous through gas tube 1 carry the device in, motor shaft stiff end 2 on gas tube 1 and the motor 3 is connected, gaseous through motor shaft stiff end 2 and the interior gas passage 4 of motor carry motor shaft free end 5, motor shaft free end 5 and gas piping 6 are connected, gas is carried the column of column axial rotation type gas charging head 10 through gas piping 6 and is aerifyd the interior gas passage 8 of head, and then carry gas through gas pocket 9 in the aquaculture water body.
The size of the air hole of the columnar pivoting type inflating head 10 and the rotating speed of the motor 3 can be adjusted according to the size of the air bubble needed in practice, and the faster the rotating speed is, the smaller the air hole is, the smaller the generated air bubble is.
The working principle of the device for generating the micro bubbles by the axial rotation type oxygenation device is as follows: motor shaft free end 5 and the column is connected around the gas pipeline 6 of rotation of axis formula inflation head 10 one end, motor 3 starts, drive shaft free end 5 and rotate, and then drive gas pipeline 6 and the column is rotated around the axis of rotation formula inflation head 10, bubble on the column is aerifyd head 10 uneven surface around the rotation and is under the shearing force effect that produces, carry the microbubble 7 that forms fast and breed the water in, the microbubble 7 that this kind of mode produced can fully contact with water, improve gaseous utilization ratio, increase dissolved oxygen content.
Example 2
Referring to fig. 2, another implementation manner of the oxygenation and oxygenation device based on the micro-bubbles in the form of rotating and shearing comprises an inflation tube 1, a motor rotating shaft fixing end 2, a motor 3, a motor inner gas channel 4, a motor rotating shaft free end 5, a gas pipeline 6, a gas hole 9, a disc rotating type inflation head inner gas channel 11 and a disc rotating type inflation head 12.
The connection operation of each part of the oxygenation and oxygenation device of the embodiment is basically similar to that of the pivoting oxygenation and oxygenation device of fig. 1, except that a disc pivoting inflation head 12 is adopted to replace a columnar pivoting inflation head 10. The disc pivoting type inflating head 12 is made of porous ceramics, the upper surface of the disc is uneven and is provided with air holes 9, the disc is internally provided with a pore channel structure, and an air channel 11 is arranged at the axis part. The gas pipeline 6 conveys gas to the disc rotating type inflating head 12 and then conveys the gas to the aquaculture water body through the air holes.
The size of the air holes of the disc-type axial rotation inflating head 12 and the rotating speed of the motor 3 can be adjusted according to the size of the air bubbles required in practice, and the faster the rotating speed is, the smaller the air holes are, the smaller the generated air bubbles are. The working principle of the oxygenation device for generating the micro-bubbles is basically the same as that of the embodiment 1, and the difference lies in that the positions of the micro-bubbles are different, the motor 3 drives the disc to rotate around the rotating shaft type inflating head 12 through the free end 5 of the rotating shaft and the gas pipeline 6, and the micro-bubbles 7 are formed by the bubbles conveyed to the uneven surface of the disc rotating shaft type inflating head 12 under the action of shearing force generated by rotation, so that sufficient and uniform oxygenation is realized.
The foregoing detailed description is intended to illustrate and not limit the invention, which is intended to be within the spirit and scope of the appended claims, and any changes and modifications that fall within the true spirit and scope of the invention are intended to be covered by the following claims.
Claims (5)
1. The utility model provides an oxygenating oxygenation device based on rotation shearing form microbubble which characterized in that:
comprises a motor, a gas conveying structure and a pivoting type inflating head; the surface of the pivoting type inflating head is provided with an air hole; the gas conveying structure is connected to the pivoting type inflating head and is used for conveying gas to the inside of the pivoting type inflating head; the motor is connected to the pivoting type inflating head through a rigid structure and is used for driving the pivoting type inflating head to rotate.
2. The oxygenation and oxygenation apparatus based on rotationally sheared microbubbles as claimed in claim 1 wherein:
the gas conveying device comprises an inflation pipe, a gas channel in the motor, a gas pipeline and a gas channel in the pivoting type inflation head;
one end of the gas-filled pipe is connected with an external gas generating device, and the other end of the gas-filled pipe is connected with the fixed end of the rotating shaft of the motor; the air channel in the motor is positioned between the fixed end of the rotating shaft of the motor and the free end of the rotating shaft of the motor; the free end of the rotating shaft of the motor is connected with one end of the gas pipeline; the gas pipeline is the rigid structure, and the other end of the gas pipeline is connected to one side of the pivoting type inflating head; the gas channel in the pivoting type inflating head is used for receiving gas introduced into the pivoting type inflating head from a gas pipeline, and one end of the gas channel, which is not connected with the gas pipeline, is sealed;
the fixed end of the motor rotating shaft is fixed with the motor body, the free end of the motor rotating shaft rotates relative to the motor body when the motor is started, and the gas channel in the motor is used for conveying gas between the gas filling pipe and the gas pipeline.
3. The oxygenation and oxygenation apparatus based on microbubbles in rotational shear form of claim 1 or claim 2, wherein:
the axial rotation type inflation head is of a cylinder structure, the side face of the cylinder is uneven, and the air holes are formed in the cylinder.
4. The oxygenation and oxygenation apparatus based on microbubbles in rotational shear form of claim 1 or claim 2, wherein:
the axial rotation type inflation head is of a disc structure, the surface of one side, close to the motor, of the disc is uneven, and the disc is provided with the air holes.
5. The oxygenation and oxygenation apparatus based on microbubbles in rotational shear form of claim 1 or claim 2, wherein:
the axial rotation type inflating head is made of porous ceramic, the surface of the axial rotation type inflating head is uneven, a pore structure is arranged inside the axial rotation type inflating head, and gas conveyed to the porous ceramic by the gas conveying structure reaches the gas holes in the surface of the porous ceramic through gas channels and the pore structure in the axial rotation type inflating head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210064715.8A CN114342868A (en) | 2022-01-18 | 2022-01-18 | Oxygenation device based on rotary shearing form tiny bubbles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210064715.8A CN114342868A (en) | 2022-01-18 | 2022-01-18 | Oxygenation device based on rotary shearing form tiny bubbles |
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| Publication Number | Publication Date |
|---|---|
| CN114342868A true CN114342868A (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210064715.8A Pending CN114342868A (en) | 2022-01-18 | 2022-01-18 | Oxygenation device based on rotary shearing form tiny bubbles |
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| Country | Link |
|---|---|
| CN (1) | CN114342868A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499133A (en) * | 2011-10-20 | 2012-06-20 | 浙江大学 | Polyculture system and polyculture method of fish and mussel in fresh water pond |
| CN103651237A (en) * | 2012-09-05 | 2014-03-26 | 曾进辉 | Backflow stirring mechanism and tiny bubble generating device |
| CN207720984U (en) * | 2017-11-22 | 2018-08-14 | 天津市海乐水产养殖专业合作社 | A kind of spiral oxygen-increasing device used for aquiculture of crab fishes and shrimps |
| CN209030896U (en) * | 2018-10-10 | 2019-06-28 | 广州德港水产设备科技有限公司 | A kind of breeding water dissolved oxygen aerator |
-
2022
- 2022-01-18 CN CN202210064715.8A patent/CN114342868A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499133A (en) * | 2011-10-20 | 2012-06-20 | 浙江大学 | Polyculture system and polyculture method of fish and mussel in fresh water pond |
| CN103651237A (en) * | 2012-09-05 | 2014-03-26 | 曾进辉 | Backflow stirring mechanism and tiny bubble generating device |
| CN207720984U (en) * | 2017-11-22 | 2018-08-14 | 天津市海乐水产养殖专业合作社 | A kind of spiral oxygen-increasing device used for aquiculture of crab fishes and shrimps |
| CN209030896U (en) * | 2018-10-10 | 2019-06-28 | 广州德港水产设备科技有限公司 | A kind of breeding water dissolved oxygen aerator |
Non-Patent Citations (1)
| Title |
|---|
| 季明东等: "曝气和射流的气泡分布与综合式泡沫分离效果研究", 《农业机械学报》 * |
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Application publication date: 20220415 |
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| RJ01 | Rejection of invention patent application after publication |