CN109356857A - A kind of superposing type blade wheel structure and the method using blade wheel structure elimination vortex - Google Patents
A kind of superposing type blade wheel structure and the method using blade wheel structure elimination vortex Download PDFInfo
- Publication number
- CN109356857A CN109356857A CN201811414287.7A CN201811414287A CN109356857A CN 109356857 A CN109356857 A CN 109356857A CN 201811414287 A CN201811414287 A CN 201811414287A CN 109356857 A CN109356857 A CN 109356857A
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- CN
- China
- Prior art keywords
- impeller
- layer
- layers
- entrance cavity
- wheel structure
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2211—More than one set of flow passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of superposing type blade wheel structure and the methods for eliminating vortex using the blade wheel structure, a kind of superposing type blade wheel structure, including drive shaft and it is arranged on the driving shaft and by driving shaft-driven one layer of impeller, it further include two layers of impeller being sheathed on the entrance cavity of one layer of impeller, one layer of medium channel is formed between the entrance cavity and drive shaft of one layer of impeller, two layer medium channel is formed between the entrance cavity of two layers of impeller and the entrance cavity of one layer of impeller, the medium channel that the medium that each layer of impeller flows through passes through respective stages is discharged from independent outlet.The present invention can reduce or prevent the eddy generation phenomenon in medium channel, improve the working efficiency of impeller.
Description
Technical field
The present invention relates to exhaust or technical field of drainage, and in particular to a kind of superposing type blade wheel structure and uses the impeller knot
The method that structure eliminates vortex.
Background technique
Medium is included water or air by high speed rotation by impeller, is thrown away and is assembled according to certain orientation to improve water or sky
The pressure of gas, when drive shaft rotates, part water or air into medium channel are driving the medium channel of common impeller
Vortex phenomenon can be formed in the axis direction of impeller internal drive shaft under the influence of axis rotation, be occupied in medium channel certain
Space causes to lose certain pressure after the exit by the gas or water of impeller, and the working efficiency for reducing impeller is low.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of superposing type blade wheel structures, by designing blade wheel structure, by leaf
Wheel superposition uses, and to reduce or prevent the eddy generation phenomenon in medium channel, improves the working efficiency of impeller.
The present invention is achieved through the following technical solutions:
A kind of superposing type blade wheel structure is provided, including drive shaft and is arranged on the driving shaft and by driving shaft-driven one layer of leaf
Wheel, further includes two layers of impeller being sheathed on the entrance cavity of one layer of impeller, between the entrance cavity and drive shaft of one layer of impeller
It forms one layer of medium channel, forms two layer medium channel between the entrance cavity of two layers of impeller and the entrance cavity of one layer of impeller,
The medium channel that the medium that each layer of impeller flows through passes through respective stages is discharged from independent outlet.
One layer of medium channel of annular, the entrance cavity and one layer of leaf of two layers of impeller are formed in the entrance cavity of one layer of impeller
The entrance cavity of wheel forms the two layer medium channel of annular, and when medium enters, medium can be logical from one layer of medium of one layer of impeller
The two layer medium channel of road and two layers of impeller imports impeller blade and throws away from outlet, in this way can be to avoid in entrance cavity
The heart and drive shaft periphery generate vortex phenomenon, can effectively improve the delivery efficiency of impeller, every grade of impeller has independent outlet
Guarantee not interfereing with each other between media at different levels.
It further, further include next layer of impeller being sheathed on the entrance cavity of two layers of impeller, next layer of impeller enters
Next layer of medium channel is formed between oral cavity road and the entrance cavity of two layers of impeller.
It can be arranged fixed three-level impeller outside the medium channel of two layers of impeller, three-level impeller outer can be arranged fixed level Four leaf
Wheel, impeller can further enhance delivery efficiency by way of superposition, and can effectively solve vortex bring loss in efficiency.
Further, one layer of lock chamber being arranged on the driving shaft is fixed in one layer of impeller.
Further, two layers of fixation being fixed in two layers of impeller on the entrance cavity for being set in one layer of impeller
Chamber.
The stability of the connection between impellers at different levels can be guaranteed by shunting cavity by setting, guarantee the stability of impeller.
Further, one layer of impeller is fixed with symmetrically arranged another with its in the opposite side of its entrance cavity
A one layer of impeller forms another layer of medium channel between the entrance cavity and drive shaft of another layer of impeller.
By being fixedly connected with another layer of impeller, the two-way disengaging of integrally-built medium is realized, further expansion
The usage scenario and use scope of structure entirety.
It further, further include another the two layers of impellers and set being sheathed on the entrance cavity of another layer of impeller
Another next layer of impeller on the entrance cavity of another two layers of impellers.
Impeller can further enhance delivery efficiency by way of superposition, and can effectively solve vortex bring efficiency
Loss.
A method of it is eliminated and is vortexed using superposing type blade wheel structure, medium enters superposing type blade wheel structure from input end
It is interior, concentric annular medium channel is respectively formed in the entrance cavity of each layer of impeller, the medium channel of impellers at different levels forms radius
The co-annular passages being sequentially increased, medium are passed through blade and are turned by the blade contact behind circular passage directly with impellers at different levels
It is dynamic to be thrown away from outlet independent.
Medium by annular medium channel when, can with the blade contact on the impeller of respective stages, to eliminate whirlpool
Flow phenomenon improves the working efficiency of impeller.
Beneficial effects of the present invention:
One, one layer of impeller and two layers of impeller cooperation, in a ring, medium is along annular Jie for one layer of medium channel and two layer medium channel
Matter channel enters in impeller, can effectively prevent to generate vortex at medium channel axis, and then promote the working efficiency of impeller.
Two, another group blade wheel structure oppositely arranged with it is fixedly mounted in the side of one layer of impeller and two layers of impeller, it can
To realize the two-way operation of structure entirety, meet different use demands.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for being not provided with lock chamber in embodiment 1 between impeller；
Fig. 2 is the structural schematic diagram that lock chamber is arranged in embodiment 1 between impeller；
Fig. 3 is the structural schematic diagram of single layer impeller in Fig. 2；
Fig. 4 is the structural schematic diagram of embodiment 2.
It is as shown in the figure:
1, one layer of impeller, 2, two layers of impeller, 3, drive shaft, the entrance cavity of 4, one layers of impeller, 5, one layers of medium channel, 6, two layers
Medium channel, 7, outlet, 8, keyway, 9, one layers of lock chamber, 10, two layers of lock chamber.
Specific embodiment
In order to clarify the technical characteristics of the invention, being illustrated below by specific embodiment to this programme.
Embodiment 1:
A kind of superposing type blade wheel structure, including drive shaft 3 and the one layer of leaf for being set in drive shaft 3 and being driven by drive shaft 3
Wheel 1 further includes two layers of impeller 2 being sheathed on the entrance cavity 4 of one layer of impeller 1, the entrance cavity 4 of one layer of impeller 1 and driving
One layer of medium channel 5 is formed between axis 3, and two layers are formed between the entrance cavity of two layers of impeller 2 and the entrance cavity of one layer of impeller 1
Medium channel 6, as shown in figure 1, arrow are the flow direction of medium, and the medium that each layer of impeller flows through is by the medium of respective stages
Channel is discharged from independent outlet 7.
Further include next layer of impeller being sheathed on the entrance cavity of two layers of impeller 2, the entrance cavity of next layer of impeller with
Next layer of medium channel is formed between the entrance cavity of two layers of impeller 2.The number of superposition impeller carries out according to actual needs
Selection can be 3,4,5,6 etc., in the present embodiment, as shown in Figure 1, being arranged with three on the medium channel of two layers of impeller 2
Grade impeller.
One layer of lock chamber 9 being set in drive shaft 3 is fixed in one layer of impeller 1.In two layers of impeller 2
Two layers of lock chamber 10 being fixed on the entrance cavity for being set in one layer of impeller 1.
One layer of impeller 1 opens up the keyway 8 for being keyed with drive shaft 3 in one layer of 5 inner wall of lock chamber.Drive shaft
3 are equipped with key, are protruded into one layer of impeller 1 by positioning duct 4, and cooperate with the keyway 8 on one layer of lock chamber 5 and limit, driving
When axis 3 rotates, multi-stage impeller can be driven to realize high speed rotation.
In the present embodiment, one layer of 1, two layer of impeller fixed form between impeller 2 and three-level impeller, can rivet, weld,
It is bolted and is interference fitted connection, suitable fixed form can be selected according to the actual situation.
Embodiment 2:
On the basis of embodiment 1, one layer of impeller 1 is fixed in the opposite side of its entrance cavity 4 symmetrically sets with it
It is logical to form another layer of medium for another layer of impeller set between the entrance cavity and drive shaft 3 of another layer of impeller
Road.Further include another the two layers of impellers being sheathed on the entrance cavity of another layer of impeller and is sheathed on another two layers
Another next layer of impeller on the entrance cavity of impeller.As shown in figure 3, the every side of the present embodiment is superimposed with 3 impellers.
In addition, the present embodiment is when implementing, can also by casting and forming, in the superposition blade wheel structure of casting and forming,
At respective independent outlet, the retaining ring wall to contact with each other between one layer of impeller and two layers of impeller can be shared, i.e. the impeller of adjacent layer
Between share the retaining ring wall of one of impeller.
By design, realizes blade wheel structure entirety two-way simultaneous operation, meet different use demands, it is further to expand
The usage scenario and use scope of structure entirety.
Certainly, above description is also not limited to the example above, technical characteristic of the present invention without description can by or
It is realized using the prior art, details are not described herein；Above embodiments and attached drawing are only used to illustrate the technical scheme of the present invention not
It is limitation of the present invention, is described the invention in detail referring to preferred embodiment, the ordinary skill people of this field
Member is it should be appreciated that variation, remodeling, the addition that those skilled in the art are made within the essential scope of the present invention
Or replacement also should belong to claims of the invention without departure from spirit of the invention.
Claims (7)
1. a kind of superposing type blade wheel structure, including drive shaft and it is arranged on the driving shaft and by driving shaft-driven one layer of leaf
Wheel, it is characterised in that: further include two layers of impeller being sheathed on the entrance cavity of one layer of impeller, the entrance cavity of one layer of impeller with
One layer of medium channel is formed between drive shaft, and two layers are formed between the entrance cavity of two layers of impeller and the entrance cavity of one layer of impeller
Medium channel, the medium channel that the medium that each layer of impeller flows through passes through respective stages are discharged from independent outlet.
2. superposing type blade wheel structure according to claim 1, it is characterised in that: further include the entrance for being sheathed on two layers of impeller
Next layer of impeller on cavity forms next layer of medium between the entrance cavity of next layer of impeller and the entrance cavity of two layers of impeller
Channel.
3. superposing type blade wheel structure according to claim 1, it is characterised in that: be fixed with and be arranged in one layer of impeller
One layer of lock chamber on the driving shaft.
4. superposing type blade wheel structure according to claim 1, it is characterised in that: be fixed with and be arranged in two layers of impeller
Two layers of lock chamber on the entrance cavity of one layer of impeller.
5. superposing type blade wheel structure according to claim 2, it is characterised in that: one layer of impeller is in its entrance cavity
Opposite side is fixed with and its another symmetrically arranged one layer of impeller, the entrance cavity and drive shaft of another layer of impeller
Between form another layer of medium channel.
6. superposing type blade wheel structure according to claim 5, it is characterised in that: further include being sheathed on another layer of impeller
Entrance cavity on another two layers of impellers and be sheathed on the entrance cavity of another two layers of impellers another is next
Layer impeller.
7. a kind of method for eliminating vortex using superposing type blade wheel structure, it is characterised in that: medium enters superposing type from input end
In blade wheel structure, concentric annular medium channel, the medium channel of impellers at different levels are respectively formed in the entrance cavity of each layer of impeller
The co-annular passages that composition radius is sequentially increased, medium are led to by the blade contact behind circular passage directly with impellers at different levels
Blade rotation is crossed to throw away from outlet independent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811414287.7A CN109356857A (en) | 2018-11-26 | 2018-11-26 | A kind of superposing type blade wheel structure and the method using blade wheel structure elimination vortex |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811414287.7A CN109356857A (en) | 2018-11-26 | 2018-11-26 | A kind of superposing type blade wheel structure and the method using blade wheel structure elimination vortex |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109356857A true CN109356857A (en) | 2019-02-19 |
Family
ID=65338775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811414287.7A Withdrawn CN109356857A (en) | 2018-11-26 | 2018-11-26 | A kind of superposing type blade wheel structure and the method using blade wheel structure elimination vortex |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109356857A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586514A (en) * | 2021-09-14 | 2021-11-02 | 上海凯士比泵有限公司 | Impeller structure of integral type series connection and multistage centrifugal pump thereof |
-
2018
- 2018-11-26 CN CN201811414287.7A patent/CN109356857A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586514A (en) * | 2021-09-14 | 2021-11-02 | 上海凯士比泵有限公司 | Impeller structure of integral type series connection and multistage centrifugal pump thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190219 |
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| WW01 | Invention patent application withdrawn after publication |