CN209100351U - A kind of axial-flow pump water inlet structure - Google Patents
A kind of axial-flow pump water inlet structure Download PDFInfo
- Publication number
- CN209100351U CN209100351U CN201821907421.2U CN201821907421U CN209100351U CN 209100351 U CN209100351 U CN 209100351U CN 201821907421 U CN201821907421 U CN 201821907421U CN 209100351 U CN209100351 U CN 209100351U
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- CN
- China
- Prior art keywords
- water
- flow
- axial
- inlet
- flow deflector
- Prior art date
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000005499 meniscus Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 1
- 238000010992 reflux Methods 0.000 abstract description 4
- 239000000411 inducer Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 210000003101 oviduct Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of axial-flow pump water inlet structures, including water-inlet horn pipe, flow deflector, every vortex structure, the flow deflector is arranged on the water-inlet horn inside pipe wall, and the inducer portion is put in the water-inlet horn pipe, and section of the flow deflector on axial plane is streamlined；It is described to be arranged every vortex structure and the water-inlet horn pipe concentric shafts, it is described every vortex structure include crosswise circle firm banking, every votex sheet and filter layer, the top of the crosswise circle firm banking is arranged in the filter layer, described every on the cross bracket that votex sheet is fixed at the crosswise circle firm banking.The utility model axial-flow pump water inlet structure can guide water flow stationary to smoothly enter in axial-flow pump, can effectively separate the continuity of impeller inlet vortex and reflux, reduce vortex intensity, improve flow condition, improve the stability of pump, effectively improve the efficiency of pump.
Description
Technical field
The utility model belongs to water pump technology, is related to a kind of structure of water pump, more particularly to a kind of Novel shaft stream
Pump water inlet structure.
Background technique
Axial-flow pump has the advantages that lift is low, flow is big, high-efficient.But axial-flow pump is under low flow rate condition, flow --
Lift is unstable, recirculating zone occurs in impeller, unit vibration is violent, seriously affects the safe operation of water pump.Pump assembly
Stall may cause to resonate, while the high efficient district of water pump can also become narrow, suction chamber flow condition be deteriorated, cannot inhibit into
The circumferential flow velocity of mouth and reflux and vortex under partition low flow rate condition, cause the lift of pump and efficiency to reduce, influence axial-flow pump and transport
Capable stability.
Utility model content
In view of the above technical problems, the utility model provides a kind of axial-flow pump water inlet structure, improves axial-flow pump and exists
Flow condition under low flow rate condition improves axial-flow pump flow-lift stability.
The utility model uses following technical scheme:
A kind of axial-flow pump water inlet structure, including water-inlet horn pipe, flow deflector, every vortex structure, the water-inlet horn pipe
It is fixedly connected by connecting flange with axial-flow pump body, the flow deflector is arranged on the water-inlet horn inside pipe wall, and described
Inducer portion is put in the water-inlet horn pipe, and section of the flow deflector on axial plane is streamlined；
Described to be arranged every vortex structure and the water-inlet horn pipe concentric shafts, described every vortex structure includes that crosswise circle is fixed
Pedestal, every votex sheet and filter layer, the top of the crosswise circle firm banking is arranged in the filter layer, described every votex sheet
It is fixed on the cross bracket of the crosswise circle firm banking.
Further, the flow deflector is being in meniscus shaped perpendicular to the front projection on horizontal plane, is being parallel to horizontal plane
On section be triangle.
Further, the flow deflector welds integral with the water-inlet horn pipe.
Further, described every votex sheet is that front shape is both ends point, perpendicular to the section on horizontal plane is triangle
Steel disc.
Further, the flow deflector is 4-8 piece, and the flow deflector is circumferentially angularly uniformly distributed in the water inlet
On the inner wall of oviduct.
The utility model has the beneficial effect that:
It is hindered in the utility model by the dual cutting every votex sheet of flow deflector and cross setting on water inlet inside pipe wall
Disconnected effect, guidance water flow stationary smoothly enter in axial-flow pump, can effectively separate the continuity of impeller inlet vortex and reflux, drop
Low vortex intensity slows down the flow resistance of water flow, improves the uniformity of water flow at water inlet pipe, improves flow condition, reduces
The adverse effect that circumferential flow velocity plays pump performance, improves the stability of pump, effectively improves the efficiency of pump.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model axial-flow pump water inlet structure；
Fig. 2 is the cross-sectional structure schematic diagram of water inlet structure in the utility model；
Fig. 3 is the perspective view of flow deflector in the utility model；
Fig. 4 is the schematic diagram that the utility model is applied to axial-flow pump.
Appended drawing reference: 10- water-inlet horn pipe；20- flow deflector；30- is every vortex structure；31- crosswise circle firm banking；
32- is every votex sheet；33- filter layer.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
Referring to attached drawing 1-4, a kind of axial-flow pump water inlet structure, including water-inlet horn pipe 10, flow deflector 20, every vortex structure
30, the water-inlet horn pipe 10 is fixedly connected by connecting flange with axial-flow pump body, the flow deflector 20 be arranged in it is described into
On 10 inner wall of water oviduct, and 20 part of the flow deflector is put in the water-inlet horn pipe 10, and the flow deflector 20 is in axial plane
On section be it is streamlined；
It is described to be arranged every vortex structure 30 and 10 concentric shafts of water-inlet horn pipe, it is described to include crosswise circle every vortex structure 30
Shape firm banking 31, every votex sheet 32 and filter layer 33, the filter layer 33 is arranged in the crosswise circle firm banking 31
Top, it is described every on the cross bracket that votex sheet 32 is fixed at the crosswise circle firm banking 31.
It is cut with what cross was arranged every the dual of votex sheet 32 when water inlet by the flow deflector 20 on 10 inner wall of water-inlet horn pipe
Cut blocking effect, guidance water flow stationary smoothly enters in axial-flow pump, can effectively separate the continuous of impeller inlet vortex and reflux
Property, reduce vortex intensity, slow down the flow resistance of water flow, improve the uniformity of water flow at water-inlet horn pipe 10, improve into
Water bar part reduces the adverse effect that circumferential flow velocity plays pump performance, improves the stability of pump, effectively improve the efficiency of pump.
The flow deflector 20 is being in meniscus shaped perpendicular to the front projection on horizontal plane, in the section being parallel on horizontal plane
For triangle.
Further, the flow deflector 20 welds integral with the water-inlet horn pipe 10.Flow deflector when improving operation
20 stability.
Further, described every votex sheet 32 is that front shape is both ends point, perpendicular to the section on horizontal plane is triangle
Steel disc.Slow down the obstruction every votex sheet 32 to water flow, improve Inlet flow pattern, reduces hydraulic loss.
Further, the flow deflector 20 is 4-8 piece, and the flow deflector 20 is circumferentially angularly uniformly distributed in described
On the inner wall of water-inlet horn pipe 10.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only the principles of the present invention, the utility model also has respectively on the premise of not departing from the spirit and scope of the utility model
Kind changes and improvements, these changes and improvements are both fallen in the range of claimed invention.The requires of the utility model
Protection scope defined by appended claims and its equivalent.
Claims (5)
1. a kind of axial-flow pump water inlet structure, including water-inlet horn pipe (10), flow deflector (20), every vortex structure (30), it is described
Water-inlet horn pipe (10) is fixedly connected by connecting flange with axial-flow pump body, which is characterized in that flow deflector (20) arrangement
On water-inlet horn pipe (10) inner wall, and the flow deflector (20) is partially put in the water-inlet horn pipe (10), described
Section of the flow deflector (20) on axial plane is streamlined；
It is described to be arranged every vortex structure (30) and water-inlet horn pipe (10) concentric shafts, it is described every vortex structure (30) include crosswise
Round firm banking (31), every votex sheet (32) and filter layer (33), filter layer (33) setting is round in the crosswise
The top of firm banking (31), the cross that the crosswise circle firm banking (31) is fixed at every votex sheet (32)
On bracket.
2. a kind of axial-flow pump water inlet structure according to claim 1, which is characterized in that the flow deflector (20) is being hung down
It is in directly meniscus shaped in the front projection on horizontal plane, is triangle in the section being parallel on horizontal plane.
3. a kind of axial-flow pump water inlet structure according to claim 1, which is characterized in that the flow deflector (20) and institute
It is integral to state water-inlet horn pipe (10) welding.
4. a kind of axial-flow pump water inlet structure according to claim 1, which is characterized in that described to be positive every votex sheet (32)
Face shape is both ends point, the steel disc perpendicular to the section on horizontal plane for triangle.
5. a kind of axial-flow pump water inlet structure according to claim 1, which is characterized in that the flow deflector (20) is 4-
8, the flow deflector (20) is circumferentially angularly uniformly distributed on the inner wall of the water-inlet horn pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821907421.2U CN209100351U (en) | 2018-11-16 | 2018-11-16 | A kind of axial-flow pump water inlet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821907421.2U CN209100351U (en) | 2018-11-16 | 2018-11-16 | A kind of axial-flow pump water inlet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209100351U true CN209100351U (en) | 2019-07-12 |
Family
ID=67160495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821907421.2U Expired - Fee Related CN209100351U (en) | 2018-11-16 | 2018-11-16 | A kind of axial-flow pump water inlet structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209100351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691500A (en) * | 2020-07-15 | 2020-09-22 | 江苏大学镇江流体工程装备技术研究院 | Dustpan-shaped water inlet flow channel with bionic structure |
-
2018
- 2018-11-16 CN CN201821907421.2U patent/CN209100351U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691500A (en) * | 2020-07-15 | 2020-09-22 | 江苏大学镇江流体工程装备技术研究院 | Dustpan-shaped water inlet flow channel with bionic structure |
| CN111691500B (en) * | 2020-07-15 | 2022-01-07 | 江苏大学镇江流体工程装备技术研究院 | Dustpan-shaped water inlet flow channel with bionic structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 230000 room 1109, building 1, yunbang innovation space, qinglongtan Road West, FeiGuang Road East, Binhe District North export processing zone, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: HEFEI YIXIANG ELECTRIC EQUIPMENT Co.,Ltd. Address before: 230000 Room 301 of 5 Blocks of Sansheng Summer Palace, Hefei Municipal Administration District, Anhui Province Patentee before: HEFEI YIXIANG ELECTRIC EQUIPMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 |