CN206320047U - High-efficiency centrifugal pump - Google Patents
High-efficiency centrifugal pump Download PDFInfo
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- CN206320047U CN206320047U CN201621431559.0U CN201621431559U CN206320047U CN 206320047 U CN206320047 U CN 206320047U CN 201621431559 U CN201621431559 U CN 201621431559U CN 206320047 U CN206320047 U CN 206320047U
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- impeller
- pump
- motor
- pump case
- water
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Abstract
The utility model provides a kind of high-efficiency centrifugal pump, the synergy air deflector of impeller is surrounded by being set between vane edge and pump case inner surface, the synergy air deflector has the deflector that multiple Inside To Outsides by synergy air deflector extend and bent, the direction of rotation when bending direction of the multiple deflector works with impeller is identical, make high-efficiency centrifugal pump operationally, impeller rotation is done work to the water in pump case, the undertaking through synergy air deflector is guided after tangent line of the water along vane edge flies out, can along deflector the orderly flowing of curved surface so that discharge pump case, mitigate the mutual shock between the water that the tangent line through vane edge flies out, reduce the turbulent flow in pump case, reduce energy loss, improve the efficiency of water pump.
Description
Technical field
The utility model is related to pump technology field, more particularly to a kind of high-efficiency centrifugal pump.
Background technology
Water pump (Pump) be it is a kind of be the machinery done work to fluid, the pressure for increasing liquid makes liquid transport flow.
In industrial production and daily life, water pump is used for conveying clear water and other physics, chemical property are similar to the liquid of water, its
Using relatively broad, such as public waterworks, Air-conditioning Cycle Hydraulic Projects, boiler water supply, pressurized water supply, spraying system of fire fighting, irrigation,
The fields such as power station, industrial water supply system, shipping industry and petroleum refining industry.
Water pump is divided into multiclass according to operation principle, wherein just including centrifugal water pump.Before centrifugal water pump starts, first by pump chamber and
Water inlet pipe fills water, after operating, and in the presence of the centrifugal force for rotating at a high speed and producing in impeller, the water in impeller channel is thrown toward
Surrounding, impeller eye formation vacuum, extraneous water is inhaled into supplemented with this space along water inlet pipe, then inhaled at atmosheric pressure
The water entered is thrown away by impeller again and enters outlet pipe, therefore the effect of centrifugal force of the centrifugal water pump produced by impeller rotates at a high speed
Under, it can continuously absorb water, press water, complete the conveying to water.
Existing centrifugal water pump includes motor and the pump housing being connected with motor, refers to Fig. 1 or Fig. 2, is existing one
The cross-sectional view of the pump housing of centrifugal water pump is planted, the pump housing includes pump case 100 ' and in the pump case 100 '
Impeller 200 ', the impeller 200 ' has the blade 210 ' that multiple centers from impeller 200 ' extend and bent to edge, work
When, motor impeller 200 ' at a high speed to the water in pump case 100 ' do work by rotation, makes water between two neighboring blade 210 '
Impeller channel 220 ' flow to the edge of impeller 200 ', and the tangent line along the edge of impeller 200 ' flies out, after through pump case 100 '
Inner chamber flow to delivery port 110 ' and flows out pump case 100 ' afterwards, to realize the conveying to water.The use demand different to realize user, should
The impeller 200 ' of many various outer diameters can be corresponded to by planting the same pump housing of centrifugal water pump, certain in the flow of user's needs acquisition
In the case of, when user needs to obtain larger lift, it is necessary to select the impeller 200 ' of larger external diameter as shown in Figure 1, when with
, it is necessary to select the impeller 200 ' of smaller external diameter as shown in Figure 2 when family needs to obtain less lift, but use small external diameter
The problem of there is efficiency reduction in impeller 200 ', specifically, as shown in figure 3, being centrifugal water pump shown in Fig. 1 and Fig. 2 using not
With external diameter impeller when performance curve and efficiency curve diagram, as shown in A points in Fig. 3, if user's request be flow Q=100l/
S, lift H=33m, now impeller 200 ' external diameter selection Φ 329, correspondence is as shown in figure 1, the now external diameter and pump of impeller 200 '
Space between the inner surface of shell 100 ' is smaller, during centrifugal water pump work, and the water in impeller channel 220 ' is through the edge of impeller 200 '
Tangent line fly out, flow to after delivery port 110 ' and flow out along the inner chamber of pump case 100 ', resistance of the water now flowed through pump case 100 ' is small,
The efficiency of the centrifugal water pump is higher than 80%；As shown in B points in Fig. 3, if user's request is flow Q=100l/s, lift H=
20.5m, now the external diameter of impeller 200 ' select 285 Φ, correspondence as shown in Fig. 2 the now external diameter of impeller 200 ' and pump case 100 '
There is certain space between inner surface, during centrifugal water pump work, water the cutting through the edge of impeller 200 ' in impeller channel 220 '
Line flies out, and is interacted in the space of the inner chamber of pump case 100 ', produces turbulent flow, and water can part in the energy that impeller 200 ' is obtained
Loss, the efficiency reduction of centrifugal water pump, less than 68%.
Utility model content
The purpose of this utility model is to provide a kind of high-efficiency centrifugal pump, can mitigate the tangent line through vane edge and fly out
Water between mutual shock, reduce turbulent flow, reduce energy loss, improve water pump efficiency.
To achieve the above object, the utility model provides a kind of high-efficiency centrifugal pump, including motor and located at the motor
The pump housing that one end is connected with motor；
The pump housing include pump case, the impeller that is connected in the pump case with motor and located at the vane edge and
The synergy air deflector of encirclement impeller between pump case inner surface；
The impeller has the blade that multiple centers from impeller extend and bent to edge, the bending of the multiple blade
Direction of rotation when direction works with impeller between two neighboring blade on the contrary, form impeller channel；
The synergy air deflector has the deflector that multiple Inside To Outsides by synergy air deflector extend and bent, described
The direction of rotation when bending direction of multiple deflectors works with impeller is identical.
The synergy air deflector is ring-type.
The motor includes motor housing and the rotating shaft in the motor housing；
The impeller is set on the shaft end.
The pump case is shaped as scroll casing shape.
The bearing of trend of the rotating shaft is parallel to horizontal plane.
The axis of the pump case correspondence rotating shaft is provided with a water inlet, and the radial direction of the pump case correspondence impeller goes out provided with one
The mouth of a river.
The pump housing also includes the base located at pump case supported underneath pump case.
The motor also includes the bearing that rotating shaft is supported on motor housing.
The pump housing also includes the mechanical sealing member in gap between sealing pivot and impeller.
The beneficial effects of the utility model：A kind of high-efficiency centrifugal pump that the utility model is provided, by vane edge
The synergy air deflector for surrounding impeller is set between pump case inner surface, and the synergy air deflector has multiple by synergy air deflector
The deflector that laterally outside extends and bent, the direction of rotation phase when bending direction of the multiple deflector works with impeller
Together, high-efficiency centrifugal pump is made operationally, impeller rotation is done work to the water in pump case, and tangent line of the water along vane edge is passed through after flying out
The undertaking guiding of synergy air deflector, can along deflector the orderly flowing of curved surface so that discharge pump case, mitigate through leaf
Mutual shock between the water that the tangent line at wheel edge flies out, reduces the turbulent flow in pump case, reduces energy loss, improves the effect of water pump
Rate.
Brief description of the drawings
In order to be able to be further understood that feature of the present utility model and technology contents, refer to new below in connection with this practicality
The detailed description of type and accompanying drawing, however accompanying drawing only provide with reference to and explanation use, not for being any limitation as to the utility model.
In accompanying drawing,
The cross-sectional view of pump housing when Fig. 1 is a kind of impeller of the big external diameter of existing centrifugal water pump selection；
The cross-sectional view of pump housing when Fig. 2 is a kind of impeller of the small external diameter of existing centrifugal water pump selection；
Fig. 3 uses the performance curve and efficiency curve during the impeller of various outer diameter for the centrifugal water pump shown in Fig. 1 and Fig. 2
Figure；
Fig. 4 is the cross-sectional view of the pump housing of high-efficiency centrifugal pump of the present utility model；
Fig. 5 is the half-sectional structural representation of high-efficiency centrifugal pump of the present utility model.
Embodiment
Further to illustrate technological means and its effect that the utility model is taken, below in conjunction with of the present utility model
Preferred embodiment and its accompanying drawing are described in detail.
Refer to Fig. 4 and Fig. 5, a kind of high-efficiency centrifugal pump of the utility model offer, including motor 100 and located at described
The pump housing 200 that the one end of motor 100 is connected with motor 100, the pump housing 200 is driven by motor 100；
The pump housing 200 includes pump case 210, the impeller 220 being connected in the pump case 210 with motor 100 and is located at
The synergy air deflector 230 of encirclement impeller 220 between the edge of impeller 220 and pump case 210 inner surface；
The impeller 220 has the blade 221 that multiple centers from impeller 220 extend and bent to edge, the multiple
The direction of rotation when bending direction of blade 221 works with impeller 220 between two neighboring blade 221 on the contrary, form impeller
Runner 222；
The synergy air deflector 230 has the water conservancy diversion that multiple Inside To Outsides by synergy air deflector 230 extend and bent
Plate 231, the direction of rotation when bending direction of the multiple deflector 231 works with impeller 220 is identical.
It should be noted that the utility model surrounds leaf by being set between the edge of impeller 220 and the inner surface of pump case 210
The synergy air deflector 230 of wheel 220, the synergy air deflector 230 have multiple Inside To Outsides extensions by synergy air deflector 230 and
The deflector 231 of bending, the direction of rotation when bending direction of the multiple deflector 231 works with impeller 220 is identical, makes
Operationally, impeller 220 rotates to the water acting in pump case 210 high-efficiency centrifugal pump, and tangent line of the water along the edge of impeller 200 flies out
After separate in synergy air deflector 230,231 pairs of water flown out of deflector of synergy air deflector 230 are guided after accepting,
Flowed its curved surface along deflector 231, so it is orderly discharged out of pump case 210, mitigate through impeller 220
Mutual shock between the water that the tangent line at edge flies out, reduces the turbulent flow in pump case 210, reduces energy loss, improves water pump
Efficiency.
Specifically, the synergy air deflector 230 is ring-type.
Specifically, the specific angle of bend of the multiple deflector 231 is designed according to the movement locus of water, to the greatest extent may be used
Friction loss of the water on deflector 231 can be reduced to be defined.
Specifically, the pump housing 200 also includes the base 240 located at the supported underneath pump case 210 of pump case 210.
Specifically, the pump case 210 is shaped as scroll casing shape.
Specifically, all kinds of motors of the prior art may be selected in the motor 100, and satisfaction can drive impeller 220 to be revolved
Turn, specifically, the motor 100 in preferred embodiment of the present utility model includes motor housing 110, outside the motor
Rotating shaft 120 in shell 110 and the bearing 160 that rotating shaft 120 is supported on motor housing 110.
Specifically, the impeller 220 is set on the end of rotating shaft 120 so as to by the driving of motor 100.
Specifically, the high-efficiency centrifugal pump is horizontal centrifugal formula water pump, and the bearing of trend of the rotating shaft 120 is parallel to water
Plane.
Further, the axis of the correspondence of pump case 210 rotating shaft 120 is provided with a water inlet 211, the correspondence of pump case 210
The radial direction of impeller 220 is provided with a delivery port 212, and when the high-efficiency centrifugal pump works, water enters pump case from water inlet 211
In 210, rotated blade 220 do work and via after the water conservancy diversion of synergy air deflector 230 from delivery port 212 discharge pump case 210.
Specifically, the pump housing 200 also includes the mechanical sealing member 250 in gap between sealing pivot 120 and impeller 220.
In summary, high-efficiency centrifugal pump of the present utility model, by being set between vane edge and pump case inner surface
The synergy air deflector of impeller is surrounded, the synergy air deflector has what multiple Inside To Outsides by synergy air deflector extended and bent
Deflector, the direction of rotation when bending direction of the multiple deflector works with impeller is identical, high-efficiency centrifugal pump is existed
During work, impeller rotation is done work to the water in pump case, and the undertaking through synergy air deflector is drawn after tangent line of the water along vane edge flies out
Lead, can along deflector the orderly flowing of curved surface so that discharge pump case, mitigate what the tangent line through vane edge flew out
Mutual shock between water, reduces the turbulent flow in pump case, reduces energy loss, improves the efficiency of water pump.
The above, for the person of ordinary skill of the art, can according to the technical solution of the utility model and
Technical concept makes other various corresponding changes and deformation, and all these changes and deformation should all belong to the utility model power
The protection domain that profit is required.
Claims (9)
1. a kind of high-efficiency centrifugal pump, it is characterised in that including motor (100) and located at the motor (100) one end and motor
(100) the connected pump housing (200)；
The pump housing (200) include pump case (210), the impeller (220) being connected with motor (100) in the pump case (210),
And the synergy air deflector (230) of the encirclement impeller (220) between the impeller (220) edge and pump case (210) inner surface；
The impeller (220) has the blade (221) that multiple centers from impeller (220) extend and bent to edge, described many
The direction of rotation when bending direction of individual blade (221) works with impeller (220) is on the contrary, between two neighboring blade (221)
Form impeller channel (222)；
The synergy air deflector (230) has the water conservancy diversion that multiple Inside To Outsides by synergy air deflector (230) extend and bent
Plate (231), the direction of rotation when bending direction of the multiple deflector (231) works with impeller (220) is identical.
2. high-efficiency centrifugal pump as claimed in claim 1, it is characterised in that the synergy air deflector (230) is ring-type.
3. high-efficiency centrifugal pump as claimed in claim 1, it is characterised in that the motor (100) includes motor housing
(110) rotating shaft (120) and in the motor housing (110)；
The impeller (220) is set on the rotating shaft (120) end.
4. high-efficiency centrifugal pump as claimed in claim 1, it is characterised in that the pump case (210) is shaped as scroll casing shape.
5. high-efficiency centrifugal pump as claimed in claim 3, it is characterised in that the bearing of trend of the rotating shaft (120) parallel to
Horizontal plane.
6. high-efficiency centrifugal pump as claimed in claim 5, it is characterised in that the axle of pump case (210) the correspondence rotating shaft (120)
Line is provided with a water inlet (211), and the radial direction of pump case (210) the correspondence impeller (220) is provided with a delivery port (212).
7. high-efficiency centrifugal pump as claimed in claim 1, it is characterised in that the pump housing (200) also includes being located at pump case
(210) base (240) of supported underneath pump case (210).
8. high-efficiency centrifugal pump as claimed in claim 3, it is characterised in that the motor (100) also includes outside motor
The bearing (160) of rotating shaft (120) is supported on shell (110).
9. high-efficiency centrifugal pump as claimed in claim 3, it is characterised in that the pump housing (200) also includes sealing pivot
(120) between impeller (220) gap mechanical sealing member (250).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621431559.0U CN206320047U (en) | 2016-12-23 | 2016-12-23 | High-efficiency centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621431559.0U CN206320047U (en) | 2016-12-23 | 2016-12-23 | High-efficiency centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206320047U true CN206320047U (en) | 2017-07-11 |
Family
ID=59260313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621431559.0U Active CN206320047U (en) | 2016-12-23 | 2016-12-23 | High-efficiency centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206320047U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575415A (en) * | 2017-10-26 | 2018-01-12 | 湖南正达纤科机械制造有限公司 | A kind of centrifugal pump |
| CN114183400A (en) * | 2021-11-10 | 2022-03-15 | 江苏创亿德环保科技有限公司 | Water pump with energy-conserving increase function |
| CN114608198A (en) * | 2022-02-28 | 2022-06-10 | 江西南方锅炉股份有限公司 | High-efficiency pump device for boiler equipment |
-
2016
- 2016-12-23 CN CN201621431559.0U patent/CN206320047U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575415A (en) * | 2017-10-26 | 2018-01-12 | 湖南正达纤科机械制造有限公司 | A kind of centrifugal pump |
| CN114183400A (en) * | 2021-11-10 | 2022-03-15 | 江苏创亿德环保科技有限公司 | Water pump with energy-conserving increase function |
| CN114608198A (en) * | 2022-02-28 | 2022-06-10 | 江西南方锅炉股份有限公司 | High-efficiency pump device for boiler equipment |
| CN114608198B (en) * | 2022-02-28 | 2023-09-01 | 江西南方锅炉股份有限公司 | Efficient pump device for boiler equipment |
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