CN214424714U - Bend inflow type fish suction pump utilizing inertia force and boundary layer effect - Google Patents
Bend inflow type fish suction pump utilizing inertia force and boundary layer effect Download PDFInfo
- Publication number
- CN214424714U CN214424714U CN202120139518.9U CN202120139518U CN214424714U CN 214424714 U CN214424714 U CN 214424714U CN 202120139518 U CN202120139518 U CN 202120139518U CN 214424714 U CN214424714 U CN 214424714U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- suction
- pump
- water
- fish
- 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.)
- Expired - Fee Related
Links
- 241000251468 Actinopterygii Species 0.000 title claims abstract description 63
- 230000000694 effects Effects 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 238000005086 pumping Methods 0.000 claims abstract description 30
- 238000005192 partition Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract 1
- 238000002955 isolation Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000009360 aquaculture Methods 0.000 description 2
- 244000144974 aquaculture Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a bend inflow type fish suction pump utilizing inertia force and boundary layer effect, which comprises a suction pipeline, a conveying pipeline and a steering pipeline connecting the suction pipeline and the conveying pipeline, wherein a water pumping branch pipe is embedded into one side of the conveying pipeline in the same direction, a separation plate is arranged at the water inlet end of the water pumping branch pipe, a water pumping pump is arranged on the water pumping branch pipe, and the suction force generated by the suction pipeline can suck fish near the inlet of the suction pipeline and water into the pipeline together in the operation process of a pump body; the water flow and the fish do accelerated motion when moving towards the pipeline, when being sucked to the position of the steering pipeline, the water and the fish have certain speed, and the fish is close to the wall surface close to the outer side of the steering pipeline under the action of centrifugal force and is far away from and crosses the suction inlet of the inner pump, and finally the fish is carried out of the conveying pipeline by the water flow; because the impeller is arranged in the pipeline, water is not sucked from other pipelines, and the pipeline generates larger suction force when the impeller rotates, thereby improving the fish sucking efficiency.
Description
Technical Field
The utility model relates to a fishing equipment, especially a fish pump.
Background
At present, the marine fishery is mainly changed from the fishing industry to the aquaculture industry, so the cage culture technology for marine culture is rapidly developed; the cage culture technology is developed from the United states at first, the cage culture technology in China starts late, and the intellectualization and mechanization of the cage culture are not enough; in the early 2019, 10 departments such as the rural agricultural department print a plurality of opinions about accelerating the green development of aquaculture industry, and the cage culture industry is advocated to be developed vigorously and developed rapidly. When the fish goods are harvested or the fishes are cultured in boxes by the cage culture, the manual catching speed is slow, the damage to the fishes is large, the labor intensity is high, and the development of an efficient fish taking mode is urgently required; in the fishery mechanization process, the fish suction pump is advanced equipment for taking and unloading fishery products, can reduce the labor intensity, improve the mechanization and automation level and greatly reduce the manpower required for taking and sorting fish; at present, the technology of the fish pump at home and abroad mainly comprises a centrifugal fish pump, a pneumatic fish pump, a vacuum fish pump and a jet-flow fish pump; the fish suction pump without damage to fish mainly comprises a vacuum type fish suction pump and a jet type fish suction pump, the vacuum type fish suction pump has the problem of intermittence, water flow outside a suction pipe of the jet type fish suction pump is sprayed into the pipe, the generated flow velocity is slow, the fish suction efficiency is low, and the two technologies still have the problem of low efficiency.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a bend inflow type fish pump which has strong adaptability and high efficiency and utilizes the inertia force and the boundary layer effect.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides an utilize bend inflow formula fish pump of inertial force and boundary layer effect, includes suction line 1, pipeline 2 and connection suction line 1 with pipeline 2 and inner wall turn to pipeline 3 for the pipe shape, pipeline 2 corresponds suction line 1's one side syntropy embedding is installed and is drawn water branch pipe 4, the end of intaking of branch pipe 4 with turn to pipeline 3 and communicate with each other, the play water end of branch pipe 4 that draws water with pipeline 2 communicates with each other, division board 5 is installed to the end of intaking of branch pipe 4 that draws water, the intake opening has on the division board, draw water and install the suction pump on the branch pipe 4.
The included angle between the suction pipeline 1 and the delivery pipeline 2 is 45-135 degrees.
The suction pump is an axial-flow pump, the axial-flow pump includes that the axial is installed first impeller 11 in the branch pipe 4 draws water, first driving motor 12 is installed in the branch pipe 4 outside of drawing water, first driving motor 12's pivot drive first impeller 11 rotates.
The distance from the axis of the first impeller 11 to the axis 1/4D-D of the conveying pipeline 2 is D-5D, and the distance from the upper surface of the steering pipeline 3 to the center of the first impeller 11 on a vertical plane is D-5D, wherein the inner diameters of the suction pipeline 1, the conveying pipeline 2 and the steering pipeline 3 are D.
The suction pump is a centrifugal pump, the water inlet of the centrifugal pump is connected with the steering pipeline 3, the water outlet of the centrifugal pump is connected with the water pumping branch pipe 4, a second impeller 14 is installed in the centrifugal pump, a second driving motor 15 is installed on the outer side of the water pumping branch pipe 4, and the second impeller 14 rotates under the driving of the second driving motor 15.
The distance between the axis of the second impeller and the axis 1/4D-D of the conveying pipeline is D-5D, and the distance between the upper surface of the steering pipeline and the center of the second impeller on a vertical plane is D-5D, wherein the inner diameters of the suction pipeline, the conveying pipeline and the steering pipeline are D.
A plurality of rollers 16 are rotatably arranged on the isolation plate 5.
The partition 5 is parallel to the axis of the conveying pipe 2.
The utility model has the advantages that: the utility model installs the water pumping branch pipe in the conveying pipeline in an embedded manner, installs the water pumping pump on the water pumping branch pipe, inputs work to the pump body through the transmission shaft by the motor, and sucks the suction force generated by the pipeline in the running process of the pump body, and the suction force can suck the fish near the inlet of the pipeline and the water into the pipeline; the water flow and the fish do accelerated motion when moving towards the pipeline, when being sucked to the position of the steering pipeline, the water and the fish have certain speed, and the fish is close to the wall surface close to the outer side of the steering pipeline under the action of centrifugal force and is far away from and crosses the suction inlet of the inner pump, and finally the fish is carried out of the conveying pipeline by the water flow; because the impeller is arranged in the pipeline, water is not sucked from other pipelines, the pipeline generates larger suction force when the impeller rotates, and the suction force to fish and water is also larger, thereby improving the fish sucking efficiency.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a first embodiment of the present invention;
fig. 3 is an exploded schematic view of a first embodiment of the present invention;
fig. 4 is a schematic structural view of a second embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a second embodiment of the present invention;
fig. 6 is an exploded view of a second embodiment of the present invention;
FIG. 7 is a schematic view of the structure of the connection boss;
FIG. 8 is a schematic cross-sectional view of a first embodiment of a roller;
FIG. 9 is a schematic cross-sectional view of a second embodiment of a roller;
FIG. 10 is a schematic cross-sectional view of a separator plate applied to the roller of FIG. 9;
FIG. 11 is a schematic view of the direction of water flow within the pump body;
FIG. 12 is a schematic diagram of the boundary layer velocity gradient of the water flow within the pump body.
Detailed Description
Referring to fig. 1 to 12, a curve inflow type fish pump using inertia force and boundary layer effect includes a suction pipe 1, a delivery pipe 2, and a diversion pipe 3 connecting the suction pipe 1 and the delivery pipe 2 and having a circular pipe-shaped inner wall, wherein the suction pipe 1, the delivery pipe 2, and the diversion pipe 3 may be integrally formed or may be joined in sections, in this embodiment, an included angle between the suction pipe 1 and the delivery pipe 2 is 45 ° to 135 °, preferably 90 ° to 135 °, a water pumping branch pipe 4 is embedded in one side of the delivery pipe 2 corresponding to the suction pipe 1 in the same direction, a water inlet end of the water pumping branch pipe 4 is communicated with the diversion pipe 3, a water outlet end of the water pumping branch pipe 4 is communicated with the delivery pipe 2, a partition plate 5 is installed at the water inlet end of the water pumping branch pipe 4, and a water inlet hole is formed in the partition plate 5, the water pumping branch pipe 4 is provided with a water pumping pump, the water pumping branch pipe is embedded in the conveying pipeline, the water pumping pump is arranged on the water pumping branch pipe, the motor inputs work to the pump body through the transmission shaft, and the suction force generated by the suction pipeline can suck the fish near the inlet of the suction pipeline and water into the pipeline together in the operation process of the pump body; the water flow and the fish do accelerated motion when moving towards the pipeline, when the water flow and the fish are sucked to the position of the steering pipeline, the water flow and the fish have certain speed, the fish is close to the wall surface of the steering pipeline close to the outer side under the action of centrifugal force and far away from and cross a suction inlet of the inner side pump, and finally the fish is carried out of the conveying pipeline by the water flow pumped out by the pump body; because the impeller is arranged in the pipeline, water is not sucked from other pipelines, the pipeline generates larger suction force when the impeller rotates, and the suction force to fish and water is also larger, thereby improving the fish sucking efficiency.
The water pump has the following two implementation modes:
the first embodiment is that the water pump is an axial flow pump, the axial flow pump includes a first impeller 11 axially installed in the water pumping branch pipe 4, a first driving motor 12 is installed outside the water pumping branch pipe 4, the first impeller 11 is driven to rotate by a rotating shaft of the first driving motor 12, in this embodiment, the rotating shaft of the first driving motor 12 adopts a bevel gear to drive the first impeller 11 to rotate, the axial distance of the first impeller 11 is 1/4D-D from the axis of the conveying pipeline 2, the installation height of the impeller on a vertical plane is D-5D from the upper surface of the steering pipeline 3 to the center of the impeller, wherein the inner diameters of the suction pipeline, the conveying pipeline and the steering pipeline are D, the water outlet end of the water pumping branch pipe 4 is provided with a guide inclined plane 13, and the upper half part of the water pumping branch pipe 4 is transited to the conveying pipeline 2 at a certain angle, the resistance between the water flow and the pipeline is reduced, the energy loss of the water flow is reduced, in addition, the whole water pumping branch pipe 4 can be in an upright shape, a water outlet contraction shape or an expansion shape, and the flow speed can be increased under the same flow rate by the water outlet contraction shape.
In a second embodiment, the water suction pump is a centrifugal pump, a water inlet of the centrifugal pump is connected to the steering pipeline 3, a water outlet of the centrifugal pump is connected to the pumping branch pipe 4, a second impeller 14 is installed in the centrifugal pump, a second driving motor 15 is installed outside the pumping branch pipe 4, the second driving motor 15 drives the second impeller 14 to rotate, in this embodiment, the axis of the second impeller 14 is distant from the axis 1/4D-D of the conveying pipeline 2, and the distance from the upper surface of the steering pipeline 3 to the center of the second impeller 14 on a vertical plane is D-5D, wherein the inner diameters of the suction pipeline 1, the conveying pipeline 2 and the steering pipeline 3 are D, and a water outlet of a pump body of the centrifugal pump may be circular, elliptical, semicircular and the like; in addition, the two pump bodies are connected by using a sealing ring and a bolt.
In the two embodiments, the inner side of the steering pipeline 3 is provided with an installation opening 6, the installation opening 6 is embedded with a connection boss 7, the connection boss 7 is provided with a connection cavity 8, the water inlet end of the pumping branch pipe 4 is connected with the opening of the connection cavity 8, one side of the connection cavity 8 corresponding to the conveying pipeline 2 is provided with a water inlet 9, the isolation plate 5 is installed on the water inlet 9, that is, in the first embodiment of the pumping pump, the first impeller 11 is installed in the connection cavity 8, and the first driving motor 12 is installed outside the connection boss 7; in the second embodiment of the water pump, the water inlet of the centrifugal pump is connected with the opening of the connecting concave cavity 8, and the second driving motor 15 is installed outside the connecting boss 7; the bottom of the connecting boss 7 is provided with an extending surface 10 adapted to the inner wall of the suction pipeline 1, the extending surface 10 extends into the steering pipeline 3, in this embodiment, the inner diameters of the suction pipeline 1, the conveying pipeline 2 and the steering pipeline 3 are all D, the distance from the extending surface 10 to the steering pipeline 3 is 0-D, preferably 1/4-1/2D, the distance from the extending surface 10 to the steering pipeline 3 is the embedding and mounting distance of the connecting boss 7, the lower part of the water pumping branch pipe is provided with the connecting boss, the connecting boss is embedded and mounted in the steering pipeline, the bottom of the connecting boss is provided with the extending surface, water flow can form a boundary layer effect with the space at the water inlet in the boss cavity and generate a backflow area, the backflow area is used for reducing the transverse suction speed and the suction force to fish, and can avoid the suction force of the pump from being too strong, the fish is attracted to the spacer while the extended surface extends the length of the suction line, thereby providing sufficient velocity inertia to the fish and water moving to the outer wall surface.
The isolation plate 5 is made of rigid materials with a net structure, one side surface close to the inner wall of the steering pipeline 3 is smooth, protective materials can be sprayed to enable the surface to be smooth, damage caused by friction when fish bodies pass through the surface of the isolation plate 5 is prevented, a plurality of rollers 16 can be rotatably installed on the isolation plate 5, the rollers are arranged on the original base of the roller type structure, bearings 17 are installed on the inner walls of the rollers, the rollers can freely rotate, when the fish is adsorbed on the isolation plate, the fish can move upwards under an upward force due to the upward flow velocity in the pipeline, and can roll to convey the fish to an outlet; in addition, the roller can also adopt an electric driving mode to actively roll to convey the fish adsorbed on the partition board, one mode is that magnets 18 with positive and negative poles are arranged between the roller 16 and a bearing 17, a conduit is arranged on the partition board, a bidirectional wire 19 is arranged in the guide pipe, the roller 16 can be driven to rotate after the wire passes through, the other mode is that a roller shaft is arranged on the partition board, the roller is fixedly arranged on the roller shaft, one end of the roller shaft is connected with a driving motor, and the roller is driven to rotate through the rotation of the motor; the division plate 5 is parallel to the axis of the conveying pipeline 2, and the division plate is welded at the water inlet of the connecting boss, so that the fish is ensured to smoothly pass through the steering pipeline 3 and generate enough speed to be conveyed upwards, and the influence of suction force of a pump body before steering is avoided.
The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.
Claims (8)
1. The utility model provides an utilize bend inflow formula fish pump of inertial force and boundary layer effect, its characterized in that is including suction line (1), pipeline (2) and connection suction line (1) with pipeline (2) and inner wall are pipe-like turn to pipeline (3), pipeline (2) correspond one side syntropy embedding of suction line (1) is installed branch pipe (4) of drawing water, the inlet end of branch pipe (4) of drawing water with turn to pipeline (3) and communicate with each other, the outlet end of branch pipe (4) of drawing water with pipeline (2) communicate with each other, division board (5) are installed to the inlet end of branch pipe (4) of drawing water, the inlet opening has on division board (5), the suction pump is installed on branch pipe (4) of drawing water.
2. A curve inflow fish pump according to claim 1, wherein the angle between the suction pipe (1) and the delivery pipe (2) is 45 ° -135 °.
3. A curve inflow type fish suction pump using inertia force and boundary layer effect as claimed in claim 1, wherein the water suction pump is an axial flow pump, the axial flow pump comprises a first impeller (11) axially installed in the water suction branch pipe (4), a first driving motor (12) is installed outside the water suction branch pipe (4), and a rotating shaft of the first driving motor (12) drives the first impeller (11) to rotate.
4. A curve inflow type fish pump using inertial force and boundary layer effect according to claim 3, characterized in that the axis of the first impeller (11) is at a distance of 1/4D-D from the axis of the conveying pipe (2), the distance from the upper surface of the turning pipe (3) to the center of the first impeller (11) is D-5D on the vertical plane, wherein the inner diameters of the suction pipe (1), the conveying pipe (2) and the turning pipe (3) are D.
5. A curve inflow type fish suction pump using inertia force and boundary layer effect as claimed in claim 1, wherein said water pump is a centrifugal pump, the water inlet of said centrifugal pump is connected to said steering pipe (3), the water outlet of said centrifugal pump is connected to said pumping branch pipe (4), a second impeller (14) is installed in said centrifugal pump, a second driving motor (15) is installed outside said pumping branch pipe (4), and said second driving motor (15) drives said second impeller (14) to rotate.
6. A curve inflow fish pump using inertial force and boundary layer effect according to claim 5, characterized in that the axis of the second impeller (14) is at a distance D-5D from the axis 1/4D-D of the delivery pipe (2), and the upper surface of the turning pipe (3) is at a distance D-5D from the center of the second impeller (14) on the vertical plane, wherein the inner diameters of the suction pipe (1), the delivery pipe (2) and the turning pipe (3) are D.
7. A curve inflow fish pump using inertial forces and boundary layer effects according to claim 1, characterized in that rollers (16) are rotatably mounted on the partition plate (5).
8. A curved inflow fish pump using inertial forces and boundary layer effects according to claim 1, characterized in that the partition plate (5) is parallel to the axis of the conveying pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120139518.9U CN214424714U (en) | 2021-01-19 | 2021-01-19 | Bend inflow type fish suction pump utilizing inertia force and boundary layer effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120139518.9U CN214424714U (en) | 2021-01-19 | 2021-01-19 | Bend inflow type fish suction pump utilizing inertia force and boundary layer effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214424714U true CN214424714U (en) | 2021-10-19 |
Family
ID=78056300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120139518.9U Expired - Fee Related CN214424714U (en) | 2021-01-19 | 2021-01-19 | Bend inflow type fish suction pump utilizing inertia force and boundary layer effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214424714U (en) |
-
2021
- 2021-01-19 CN CN202120139518.9U patent/CN214424714U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106577568B (en) | Auxiliary fish sucking device for net cage | |
| CN206821751U (en) | A kind of intermittent vacuum fish suction device | |
| CN214424714U (en) | Bend inflow type fish suction pump utilizing inertia force and boundary layer effect | |
| CN211311590U (en) | Laser cladding powder feeder | |
| CN214424713U (en) | Pump body mounting structure of bend inflow type fish pump | |
| CN112727783A (en) | Bend inflow type fish suction pump utilizing inertia force and boundary layer effect | |
| CN208921497U (en) | A kind of sample skewering machine squash type spike | |
| CN111963451B (en) | Well submersible pump capable of self-adapting to water depth | |
| CN215935977U (en) | System of catching is bred in ship of breeding | |
| CN206290449U (en) | A kind of vertical centrifugal pump for matching various standard electromotors | |
| CN207333210U (en) | A kind of suction pump | |
| CN202296211U (en) | Drum vortex machine, bulk material suction system and ship unloading equipment | |
| CN213246413U (en) | Single-tank vacuum type fish sucking system | |
| CN208987577U (en) | A kind of fishpump | |
| CN107747546A (en) | High-lift lower suction self-cooled submersible pump | |
| CN210914437U (en) | Reversal extracting device driven by permanent magnet hollow shaft motor | |
| CN113040087A (en) | System and method for catching culture cabin of culture ship | |
| CN206985074U (en) | A kind of air draught type eiderdown conveying appliance | |
| CN209324730U (en) | A kind of self-suction pump impeller structure | |
| CN221843543U (en) | Spiral fish sucking system | |
| CN112727778B (en) | Submersible pump with sludge discharge type water suction port | |
| CN207986223U (en) | A kind of ceramic grinding ball green body rolls shaping automation and goes out installation | |
| CN201801188U (en) | Down feather convey device | |
| CN205346089U (en) | Slurry conveying device | |
| CN213360460U (en) | Efficient energy-saving simple self-priming pump with water inlet diversion and water outlet drainage functions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ling Changming Inventor after: Xu Qing Inventor after: Wu Zhenhai Inventor after: Yu Zhusheng Inventor after: Xu Wei Inventor after: Li Jun Inventor after: Li Haowei Inventor after: Yang Yi Inventor before: Ling Changming Inventor before: Xu Qing Inventor before: Wu Zhenhai Inventor before: Yu Zhusheng Inventor before: Xu Wei Inventor before: Li Jun Inventor before: Li Haowei Inventor before: Yang Yi |
|
| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |