CN206234158U - One kind is without the blocking runner impeller of pump of double suction four - Google Patents
One kind is without the blocking runner impeller of pump of double suction four Download PDFInfo
- Publication number
- CN206234158U CN206234158U CN201621249059.5U CN201621249059U CN206234158U CN 206234158 U CN206234158 U CN 206234158U CN 201621249059 U CN201621249059 U CN 201621249059U CN 206234158 U CN206234158 U CN 206234158U
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- Prior art keywords
- impeller
- pump
- runner
- double suction
- type
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Abstract
The utility model is related to one kind to provide a kind of without the blocking runner impeller of pump of double suction four without the runner impeller of pump of double suction four, the utility model is blocked.Impeller is that two class back-to-back being staggered 90 ° of ellipse two blade impellers arrange to be formed have four runners before and after impeller, and a central dividing plate a, axle center, preceding dual channel is separated with rear dual channel by central dividing plate.The runner exit of impeller is V-shaped, and the V-type summit of outlet is exported as bilateral type wide is exported on F-L curve.Impeller channel wall thickness is thin, lightweight, and it is flanging V-type to export, and outlet is wide, simple structure, to impurity such as various bulky grains, long fibre, house refuses by property good, efficiency high, the low reliability that operates steadily of noise.Can be used to living in dredge pump, the focusing on of municipal administration, the sewage such as industry, qualified discharge etc..
Description
Technical field
The utility model is related to field of fluid machinery, more particularly to a kind of without the blocking runner impeller of pump of double suction four.
Background technology
The focusing on of the sewage such as life, municipal administration, industry, qualified discharge etc. are required for using proof submersible sand discharging pump everywhere,
When pumping send sewage dirt medium, because can usually be mingled with the impurity such as various bulky grains, long fibre, house refuse in medium, and pass
Due to the limitation for designing, in sewage transport, easily there is blockage problem to system Double Channel Pump product in pump, so as to influence passing through for pump
Performance and operational efficiency, reduce the reliability and service life of pump.And impeller of pump needs shutdown maintenance to process when being wound,
Operating efficiency is had a strong impact on, hinders to delay the development of industrial production and environmental protection work.Therefore, impeller of pump blocking-free performance and height
The realization of the key technologies such as effect operation is particularly important to dredge pump.
Double Channel Pump is the runner of bending from impeller inlet to impeller outlet, is adapted to conveying and contains bulky grain and fibrous substance
Deng fluid media (medium), but generally impeller it is very thick and heavy, be the twice weight of general impeller, not only waste of materials, can also increase motion
Load, the symmetry for adding impeller is poor, impeller when when operating is worked, balance not enough causes operation noise and vibration it is relative
It is larger, water pump upper bearing (metal) can be caused a devastating effect, even can prevent water pump from working when serious, water pump need to often be carried out
Maintenance or the pump product for more renewing.
Through retrieval, patent " a kind of half-opened impeller non-clogging cutting pump " application number disclosed in oneself
CN201120437806.9, it is installed the cutter disc for shredding debris at half-opened impeller Non-blinding pump import, is used to cut
Cutting the impurity such as bulky grain and long fibre, but pump configuration can be made to become complexity, cost increases, and because cutter disc device needs to disappear
Certain power is consumed, efficiency, lift and the flow reduction of pump can be caused；A kind of disclosed patent " screw cutting pump " application number
CN201120368996.3, it installs helical cut knife on wheel rotation axle, and fixes water conservancy diversion cutting in pump housing water inlet
Cylinder, and diversion cutting cylinder be provided with pumped (conveying) medium and debris by hole, the pump in conveyors solid particles media, certain journey
Degree is upper, and to be not easily blocked pump operation not easy to wear, but this device is while cause complicated pump configuration, cost increase, if particle
Footpath will cause the blocking of diversion cutting cylinder when being more than the aperture on diversion cutting cylinder, influence being imitated by performance and operation for pump
Rate.
Through retrieval, have no on the open report without the patent or article for blocking the runner impeller of pump of double suction four.
The content of the invention
To solve the above mentioned problem of prior art, the utility model provides a kind of without the blocking runner pump leaf of double suction four
Wheel.Impeller is that two classes ellipse two blade impellers certain angle that is staggered back-to-back arranges to be formed have four streams before and after impeller
Respectively there is an import road a, central dividing plate a, axle center, the both sides in axle center, and preceding dual channel is with rear dual channel by central dividing plate
Separate.The runner exit of impeller is in big V-type, and the V-type summit of outlet is exported as bilateral type wide is exported on F-L curve.
(1) is a kind of without the runner impeller of pump of double suction four is blocked, and its former and later two class ellipse two blade impeller is in be staggered back-to-back
90 ° of arrangements.
(2) is a kind of without the runner impeller of pump of double suction four is blocked, and impeller internal has four runners, each two of left and right.Dividing plate is left
Two runners at end are communicated near impeller inlet part, and two runners of right-hand member are same, but left end dual channel is double with right-hand member
Runner is completely separated by central dividing plate, the part not communicated.
(3) is a kind of without the runner impeller of pump of double suction four is blocked, and the runner wall thickness of impeller is equal thickness.
(4) is a kind of without the runner impeller of pump of double suction four is blocked, and its blade is relatively thin, and lightweight, it is flanging V-type to export, and is gone out
Mouthful wide, and outlet side b is tangent with runner blade outer rim, the span of V-type outlet side angle β is 124 °~140 °.
(5) is a kind of without the runner impeller of pump of double suction four is blocked, and paddle wheel plane figure F-L curve line style meets relationship below：
Wherein：
R- F-L curve polar radius, m；
R2- impeller maximum outside diameter, m；
ns- impeller specific speed；
θ-helical angle, rad；
K- F-L curve index coefficients；
Impeller channel wall thickness of the present utility model is thin, lightweight, and it is flanging V-type to export, and outlet is wide, to various bulky grains,
The impurity such as long fibre, house refuse pass through good, the efficiency high of property, and simple structure does not produce axial force, and low the operating steadily of noise can
Lean on.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and detailed description.
Fig. 1 is the embodiment of the utility model one without blocking double suction four runner impeller of pump axis projection；
Fig. 2 is the embodiment of the utility model one without blocking the runner impeller of pump A-A of double suction four to figure.
Wherein；1. impeller inlet a；2. impeller inlet b；3. central dividing plate；4. shaft core；5. impeller outlet side a；6. impeller goes out
Mouth side b；7. F-L curve；8. helixangleθ；9. F-L curve polar radius r；10.V types outlet side angle β；11. impeller channel walls
Thick δ；12. impeller maximum outside diameter R2。
Specific embodiment
The utility model provides a kind of without the blocking runner impeller of pump of double suction four.Impeller is two class ellipse dual channel leaves
The back-to-back certain angle that is staggered of wheel arranges to be formed have four runners, a central dividing plate (3), an axle center before and after impeller
(4), respectively there are import (1), (2) in the both sides of axle center (4), and preceding dual channel is separated with rear dual channel by central dividing plate (3).Impeller
Runner exit be in big V-type, on F-L curve (7), it is bilateral type wide outlet to export on the V-type summit of outlet.
(1) is a kind of without the runner impeller of pump of double suction four is blocked, and its former and later two class ellipse two blade impeller is in be staggered back-to-back
90 ° of arrangements.
(2) is a kind of without the runner impeller of pump of double suction four is blocked, and impeller internal has four runners, each two of left and right.Dividing plate is left
Two runners at end are communicated near impeller inlet part, and two runners of right-hand member are same, but left end dual channel is double with right-hand member
Runner is completely separated by central dividing plate (3), the part not communicated.
(3) is a kind of without the runner impeller of pump of double suction four is blocked, and the runner wall thickness (11) of impeller is equal thickness.
(4) is a kind of without the runner impeller of pump of double suction four is blocked, and its blade is relatively thin, and lightweight, it is flanging V-type to export, and is gone out
Mouth is wide, and outlet side b (6) is tangent with runner outer rim, and the span of V-type outlet side angle (10) is 124 °~140 °.
(5) is a kind of without the runner impeller of pump of double suction four is blocked, and paddle wheel plane figure F-L curve line style meets relationship below：
Wherein：
R- F-L curve polar radius, m；
R2- impeller maximum outside diameter, m；
ns- impeller specific speed；
θ-helical angle, rad；
K- F-L curve index coefficients；
Protection scope of the present invention is not limited to above-described embodiment, also comprising the other embodiments in the range of present inventive concept and
Variation.
Claims (5)
1. one kind is without the blocking runner impeller of pump of double suction four, it is characterised in that：Impeller is that two class ellipse two blade impellers are leaned against
Carry on the back the certain angle that is staggered and arrange to be formed that there are four runners, a central dividing plate, an axle center, the both sides in axle center before and after impeller
Respectively there is an import, preceding dual channel is separated with rear dual channel by central dividing plate, the runner exit of impeller is in big V-type, the V-type of outlet
Summit is exported as bilateral type wide is exported on F-L curve.
2. it is according to claim 1 a kind of without the blocking runner impeller of pump of double suction four, it is characterised in that former and later two classes are oval
Two blade impeller is staggered 90 ° and arranges back-to-back.
3. according to claim 1 a kind of without the blocking runner impeller of pump of double suction four, it is characterised in that：It is that impeller internal is total to
There are four runners, each two of left and right, two runners of dividing plate left end are communicated near impeller inlet part, and two runners of right-hand member are same
Sample is in this way, but left end dual channel is completely separated by central dividing plate with right-hand member dual channel, the part not communicated.
4. it is according to claim 1 a kind of without the blocking runner impeller of pump of double suction four, it is characterised in that runner wall thickness is uniform thickness
Degree.
5. according to claim 1 a kind of without the blocking runner impeller of pump of double suction four, it is characterised in that：It is flanging V-type to export,
Outlet is wide, and outlet side b is tangent with runner blade outer rim, and the span of V-type outlet side angle β is 124 °~140 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621249059.5U CN206234158U (en) | 2016-11-17 | 2016-11-17 | One kind is without the blocking runner impeller of pump of double suction four |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621249059.5U CN206234158U (en) | 2016-11-17 | 2016-11-17 | One kind is without the blocking runner impeller of pump of double suction four |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206234158U true CN206234158U (en) | 2017-06-09 |
Family
ID=58991547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621249059.5U Expired - Fee Related CN206234158U (en) | 2016-11-17 | 2016-11-17 | One kind is without the blocking runner impeller of pump of double suction four |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206234158U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005634A (en) * | 2019-05-23 | 2019-07-12 | 湖南机电职业技术学院 | Double suction is dislocatedly distributed four flow passage impellers |
| CN110043473A (en) * | 2019-05-23 | 2019-07-23 | 湖南机电职业技术学院 | Double suction sewage pump |
-
2016
- 2016-11-17 CN CN201621249059.5U patent/CN206234158U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005634A (en) * | 2019-05-23 | 2019-07-12 | 湖南机电职业技术学院 | Double suction is dislocatedly distributed four flow passage impellers |
| CN110043473A (en) * | 2019-05-23 | 2019-07-23 | 湖南机电职业技术学院 | Double suction sewage pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170609 Termination date: 20171117 |