CN208348148U - A kind of desulfurization impeller of pump - Google Patents
A kind of desulfurization impeller of pump Download PDFInfo
- Publication number
- CN208348148U CN208348148U CN201820904034.7U CN201820904034U CN208348148U CN 208348148 U CN208348148 U CN 208348148U CN 201820904034 U CN201820904034 U CN 201820904034U CN 208348148 U CN208348148 U CN 208348148U
- Authority
- CN
- China
- Prior art keywords
- impeller
- shroud
- hub
- front shroud
- back shroud
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a kind of desulfurization impeller of pump, including impeller hub, keyway is provided in the impeller hub, the impeller hub front is uniformly distributed multi-disc front shroud of impeller, the impeller hub back side is uniformly distributed multi-disc back shroud of impeller, more blades are provided between the back shroud of impeller and the front shroud of impeller, the front shroud of impeller is rotated clockwise distribution, the back shroud of impeller rotates counterclockwise distribution, and the back shroud of impeller distributing position is not overlapped with the front shroud of impeller distributing position.Desulfurization impeller of pump provided by the utility model, the effective stress for improving impeller, optimizes the flow regime in rotary course of impeller, improves impeller stability in use.
Description
Technical field
The utility model relates to desulfurization pump installation technical fields, specifically, more particularly to a kind of desulfurization impeller of pump.
Background technique
Existing desulfurized pump impeller uses the structure type of traditional centrifugal pump impeller, and the design of front and rear cover plate is not abundant
In view of impeller fluid force suffered in rotary course, the flow behavior of impeller is poor, does not give full play to front and rear covers
Plate is improving the effect in impeller stress, causes impeller stress unreasonable, service life is shorter, use and maintenance cost of upkeep
It is higher.Therefore, it is necessary to a kind of desulfurized pump impellers, optimize the structure type of front and rear cover plate, can give full play to the work of front and rear cover plate
With improvement impeller force-bearing situation improves the service performance of impeller.
Utility model content
Purpose of the utility model is to solve deficiencies existing for the impeller of existing desulfurization pump, provide a kind of desulfurization pump use
Impeller.
To achieve the goals above, the utility model is achieved through the following technical solutions:
A kind of desulfurization impeller of pump, including impeller hub are provided with keyway in the impeller hub, and the impeller hub is just
Face is uniformly distributed multi-disc front shroud of impeller, and the impeller hub back side is uniformly distributed multi-disc back shroud of impeller, the impeller rear cover
More blades are provided between plate and the front shroud of impeller.
A kind of above-mentioned desulfurization impeller of pump, the front shroud of impeller are provided with eight altogether, the front shroud of impeller setting
In the arc-shaped, the front shroud of impeller is rotated clockwise distribution, and the front shroud of impeller is provided with inner side edge, the inside
When being provided with transition on the outside of, outer side edges are provided on the outside of the transition side；
Radius value on inner side edge front projection direction is the radius value on the transition side front projection direction
1.15 times, the radius value on the transition side front projection direction is the radius value on outer side edges front projection direction
1.05 again.
A kind of above-mentioned desulfurization impeller of pump, the back shroud of impeller are provided with four altogether, the back shroud of impeller setting
In the arc-shaped, the back shroud of impeller rotates counterclockwise distribution, before the back shroud of impeller distributing position and the impeller
Cover board distributing position does not overlap.
Compared with prior art, the beneficial effects of the utility model are as follows: a kind of desulfurization of the utility model setting, which pumps, to be used
The impeller hub front of impeller is uniformly distributed multi-disc front shroud of impeller, and the impeller hub back side is uniformly distributed multi-disc back shroud of impeller,
Front shroud of impeller is interspersed with back shroud of impeller, effectively balance inlet pressure that front shroud of impeller is subject in input end with
Pressure on the outside of back shroud of impeller reduces the pressure of back shroud of impeller outer side seal chamber, to the seal structural part institute of seal chamber
Relaxation effect is played by active force, extends seal structural part service life；Front shroud of impeller setting is in the arc-shaped, and before impeller
Covering plate structure form carries out Parametric designing, so that front shroud of impeller encounters good flowing when the liquid medium of desulfurization pump conveying
Characteristic；Front shroud of impeller and back shroud of impeller can effectively improve the stress of impeller, optimize impeller in rotary course
In flow regime, improve impeller stability in use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is impeller front cover structure schematic diagram in the utility model；
Fig. 3 is front shroud of impeller and back shroud of impeller positional diagram in the utility model.
In attached drawing: 1, impeller hub；2, keyway；3, front shroud of impeller；31, inner side edge；32, transition side；33, outer side edges；
4, back shroud of impeller；5, blade.
Specific embodiment:
It is set in impeller hub 1 to Fig. 3 the present embodiment provides a kind of desulfurization impeller of pump, including impeller hub 1 refering to fig. 1
It is equipped with keyway 2,1 front of impeller hub is uniformly distributed multi-disc front shroud of impeller 3, and 1 back side of impeller hub is uniformly distributed multi-disc impeller
Back shroud 4 is provided with more blades 5 between back shroud of impeller 4 and front shroud of impeller 3.
In the present embodiment, front shroud of impeller 3 is provided with eight altogether, and in the arc-shaped, front shroud of impeller is arranged in front shroud of impeller 3
3 are rotated clockwise distribution, and front shroud of impeller is provided with inner side edge 31, transition side 32, transition are provided on the outside of inner side edge 31
Outer side edges 33 are provided on the outside of side 32；
Radius value on 31 front projection direction of inner side edge is 1.15 of the radius value on 32 front projection direction of transition side
Times, the radius value on 32 front projection direction of transition side is 1.05 times of the radius value on 33 front projection direction of outer side edges,
In the present embodiment, the radius value on 31 front projection direction of inner side edge is 241.5mm, half on 32 front projection direction of transition side
Diameter value is 210mm, and the radius value on 33 front projection direction of outer side edges is 200mm.
In the present embodiment, back shroud of impeller 4 is provided with four altogether, and in the arc-shaped, back shroud of impeller is arranged in back shroud of impeller 4
4 rotate counterclockwise distribution, and 4 distributing position of back shroud of impeller is not overlapped with 3 distributing position of front shroud of impeller.
Working principle of the utility model is: the desulfurization impeller of pump includes impeller hub 1, impeller hub 1 by keyway 2 with
The pump shaft connection of desulfurization pump, 1 front of impeller hub are uniformly distributed eight front shroud of impeller 3, and front shroud of impeller 3 is arranged to circular arc
Shape, front shroud of impeller 3 are rotated clockwise distribution, and front shroud of impeller is provided with inner side edge 31, is provided on the outside of inner side edge 31
Transition side 32 is provided with outer side edges 33 on the outside of transition side 32, calculates from front projection direction, the radius of inner side edge 31 is transition
1.15 times of 32 radius of side, 32 radius of transition side is 1.05 times of 33 radius of outer side edges, so that front shroud of impeller 3 is encountering desulfurization
Good flow behavior when pumping the liquid medium of conveying, 1 back side of impeller hub are uniformly distributed four back shroud of impeller 4, after impeller
Cover board 4 is arranged in the arc-shaped, and back shroud of impeller 4 rotates counterclockwise distribution, 4 distributing position of back shroud of impeller and impeller front cover
3 distributing position of plate does not overlap, i.e. back shroud of impeller 4 is arranged in the gap location between adjacent two panels front shroud of impeller 3, after impeller
More blades 5 are provided between cover board 4 and front shroud of impeller 3；When the medium of desulfurization pump conveying enters the import of the pump housing, in blade
Under 5 turning efforts, the outlet of the pump housing, the Parametric designing shape of front shroud of impeller 3 can be reached rapidly through pump body type chamber
Formula, so that impeller has good flow regime in rotary course, front shroud of impeller 3 and back shroud of impeller 4 are interspersed
Form, the effective axial force for balancing impeller, such as effectively balance inlet pressure that front shroud of impeller 3 is subject in input end with
The pressure in 4 outside of back shroud of impeller, reduces the pressure of 4 outer side seal chamber of back shroud of impeller, to the seal structural part of seal chamber
Suffered active force relaxation effect extends seal structural part service life, and front shroud of impeller 3 and back shroud of impeller 4 can be effective
Improvement impeller stress, optimize the flow regime in rotary course of impeller, improve impeller stability in use.
In conclusion the basic principles and main features and the utility model of the utility model have been shown and described above
Advantage, only the embodiments of the present invention not are used to limit the range of the utility model implementation.The utility model is not
It is restricted to the described embodiments, it is all according to carried out by shape described in the utility model claims range, construction, feature and spirit
Equivalent changes and modifications should all be fallen into the scope of the utility model.The protection scope of the utility model is wanted by appended right
Book and its equivalent is asked to define.
Claims (3)
1. a kind of desulfurization impeller of pump, it is characterised in that: including impeller hub (1), be provided with keyway in the impeller hub (1)
(2), impeller hub (1) front is uniformly distributed multi-disc front shroud of impeller (3), and impeller hub (1) back side is uniformly distributed
Multi-disc back shroud of impeller (4) is provided with more blades (5) between the back shroud of impeller (4) and the front shroud of impeller (3).
2. a kind of desulfurization impeller of pump according to claim 1, it is characterised in that: the front shroud of impeller (3) is provided with altogether
Eight, front shroud of impeller (3) setting is in the arc-shaped, and the front shroud of impeller (3) is rotated clockwise distribution, the leaf
Wheel front shroud is provided with inner side edge (31), is provided with transition side (32) on the outside of the inner side edge (31), the transition side (32) is outside
Side is provided with outer side edges (33)；
Radius value on inner side edge (31) the front projection direction is the radius on transition side (32) the front projection direction
1.15 times of value, the radius value on transition side (32) the front projection direction is on the outer side edges (33) front projection direction
1.05 times of radius value.
3. a kind of desulfurization impeller of pump according to claim 1, it is characterised in that: the back shroud of impeller (4) is provided with altogether
Four, back shroud of impeller (4) setting is in the arc-shaped, and the back shroud of impeller (4) rotates counterclockwise distribution, the leaf
Wheel back shroud (4) distributing position is not overlapped with the front shroud of impeller (3) distributing position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820904034.7U CN208348148U (en) | 2018-06-11 | 2018-06-11 | A kind of desulfurization impeller of pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820904034.7U CN208348148U (en) | 2018-06-11 | 2018-06-11 | A kind of desulfurization impeller of pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208348148U true CN208348148U (en) | 2019-01-08 |
Family
ID=64883000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820904034.7U Expired - Fee Related CN208348148U (en) | 2018-06-11 | 2018-06-11 | A kind of desulfurization impeller of pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208348148U (en) |
-
2018
- 2018-06-11 CN CN201820904034.7U patent/CN208348148U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101691873A (en) | Open impeller for pump | |
| CN102322443A (en) | Single-stage centrifugal pump with balanced axial force | |
| CN102536892A (en) | Multi-blade centrifugal fan with reinforced air inlet function | |
| CN205243867U (en) | Vortex pump | |
| CN208348148U (en) | A kind of desulfurization impeller of pump | |
| CN206035843U (en) | Energy -efficient vertical pipeline centrifugal pump that singly inhales | |
| CN202228423U (en) | Centrifugal air blower of double-suction semi-open type impeller | |
| CN203670222U (en) | Full-lift self-priming pump | |
| CN203230633U (en) | Forward and reverse water flow diverter for self-balancing multistage centrifugal pump | |
| CN203308772U (en) | Double-suction pump | |
| CN202597227U (en) | Novel pump impeller | |
| CN103307014B (en) | A kind of single suction self-balanced multiple-stage water pump | |
| CN202545340U (en) | Semi-open impeller for centrifugal conveying pump | |
| CN202360458U (en) | Multi-wing centrifugal fan with reinforced air inlet function | |
| CN205207221U (en) | Fan | |
| CN209959561U (en) | High pneumatic load blade of centrifugal blower impeller | |
| CN104279180A (en) | Double-suction impeller | |
| CN204900319U (en) | Utilize seal spring to reduce impeller pump of bearing seal wearing and tearing | |
| CN202100480U (en) | Double-suction high-pressure self-sealing multistage centrifugal pump | |
| CN110080999B (en) | Centrifugal blower | |
| CN103994097A (en) | Double-suction impeller and double-suction vortex pump | |
| CN209959557U (en) | Centrifugal blower impeller and centrifugal blower thereof | |
| CN204226256U (en) | Double gap high drag balance device | |
| CN102797696A (en) | Novel pump impeller | |
| CN207647843U (en) | Energy-efficient high cavitation performance double entry pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |