CN205423310U - Novel impeller of high -efficient centrifugal pump - Google Patents
Novel impeller of high -efficient centrifugal pump Download PDFInfo
- Publication number
- CN205423310U CN205423310U CN201620186059.9U CN201620186059U CN205423310U CN 205423310 U CN205423310 U CN 205423310U CN 201620186059 U CN201620186059 U CN 201620186059U CN 205423310 U CN205423310 U CN 205423310U
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- China
- Prior art keywords
- impeller
- annular boss
- ante
- chamber
- choma
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Abstract
The utility model discloses a novel impeller of high -efficient centrifugal pump. The utility model discloses a front shroud, annular boss, pump cover, impeller export, impeller import, ante -chamber and choma clearance, annular boss is installed on the front shroud, have ante -chamber and choma clearance between front shroud and the pump cover, wherein the ante -chamber communicates with each other with the impeller export, and the choma clearance communicates with each other with the impeller import. The annular boss is the loop configuration, and just the quantity of annular boss is a plurality of, and its axial dimensions cooperatees but does not produce the friction with the pump cover. Through the hindrance of annular boss, from impeller export originally has only the sub -fraction liquid stream through ante -chamber and choma clearance leakage to impeller well head department through ante -chamber and the liquid stream that choma clearance leakage imported to the impeller. The utility model discloses to effectively improve volume efficiency and total transport efficiency of conventional double shrouded wheel centrifugal pump. The annular boss plays the mesh that reduces the liquid stream and let out leakage quantity to improve the volume efficiency of centrifugal pump, and then improve total transport efficiency.
Description
Technical field
This utility model relates to a kind of efficient centrifugal pump novel impeller, a kind of efficient centrifugal impeller of pump improving volumetric efficiency.
Background technology
For conventional closed centrifugal impeller of pump ringless-type boss, ante-chamber between front shroud of impeller and pump cover is bigger, pressure differential between high-pressure fluid and the low-pressure fluid of impeller inlet of impeller outlet is formed to be revealed, and causes volumetric efficiency to decline, and then have impact on the whole efficiency of pump.Based on this, this patent proposes the more efficient centrifugal pump novel impeller of one, by increasing the annular boss of some, certain geometric parameter and location parameter on front shroud, originally the leakage rate flowing through ante-chamber and choma gap is greatly reduced, thus improve the volumetric efficiency of pump, and then improve the transfer efficiency of whole centrifugal pump pump.
Summary of the invention
The purpose of this utility model is for the problems referred to above, it is proposed that a kind of efficient centrifugal pump novel impeller that can facilitate and reduce liquid stream leakage rate efficiently.
It is as follows that this utility model solves the technical scheme that its technical problem used:
Efficient centrifugal pump novel impeller, including front shroud, annular boss, pump cover, impeller outlet, impeller inlet, ante-chamber and choma gap, annular boss is arranged on front shroud；There is ante-chamber and choma gap between front shroud and pump cover, wherein ante-chamber communicates with impeller outlet, and choma gap communicates with impeller inlet.
Described annular boss is loop configuration, and the quantity of annular boss is multiple.
Described annular boss is formed in one with front shroud.
The axial dimension of described annular boss matches with pump cover but does not produce friction.
Obstruction through annular boss, originally from impeller outlet through the liquid stream of ante-chamber and choma clearance leakage to impeller inlet, only sub-fraction liquid stream is at ante-chamber and choma clearance leakage to impeller well head, and owing to the axial gap between annular boss and pump cover is the least, increase annular boss and can reduce leakage value.
Of the present utility model have the technical effect that
This utility model will be effectively improved the volumetric efficiency of conventional centrifugal pump with shrouded impeller and total transfer efficiency.Annular boss plays the purpose reducing liquid stream leakage rate, thus improves the volumetric efficiency of centrifugal pump, and then improves total transfer efficiency.
Accompanying drawing explanation
Fig. 1 is that novel impeller assembles meridian view；
Fig. 2 is the novel impeller graphics of band annular boss；
In figure: front shroud 1, annular boss 2, pump cover 3, impeller outlet 4, impeller inlet 5, ante-chamber 6 and choma gap 7
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
As shown in Fig. 1～Fig. 2, efficient centrifugal pump novel impeller, including front shroud 1, annular boss 2, pump cover 3 and ante-chamber 6, annular boss 2 is loop configuration, is arranged on front shroud 1, efficient centrifugal pump novel impeller, is primarily characterized in that installation annular boss 2；Wherein the quantity of annular boss 2 is not limited to the quantity shown in figure；The geometric parameter of annular boss 2 and location parameter are also not limited to shown in figure.Annular boss 2 is installed on front shroud 1, can realize integration by modes such as screw, welding, one-shot formings.The axial dimension of annular boss 2 matches with pump cover 3 but does not produce friction.There is ante-chamber 6 and choma gap 7 between front shroud 1 and pump cover 3, wherein ante-chamber 6 communicates with impeller outlet 4, and choma gap 7 communicates with impeller inlet 5.Originally leak into the liquid stream of impeller inlet 5 through ante-chamber 6 and choma gap 7 from impeller outlet 4, under the obstruction of annular boss 2, only sub-fraction liquid stream leaks at impeller inlet 5 through ante-chamber 6 and choma gap 7.Owing to the axial gap between annular boss 2 and pump cover 3 is the least, the leakage value after therefore increasing annular boss 2 is greatly reduced, and improves the volumetric efficiency of pump with this, thus has reached the purpose of whole efficiency of centrifugal pump of raising.
As in figure 2 it is shown, the quantity of annular boss 2, geometric parameter and location parameter to match with front shroud 1, pump cover 3, reduce leakage rate to greatest extent with this, promote volumetric efficiency and total transfer efficiency.
Claims (5)
1. efficient centrifugal pump novel impeller, it is characterized in that including front shroud (1), annular boss (2), pump cover (3), impeller outlet (4), impeller inlet (5), ante-chamber (6) and choma gap (7), annular boss (2) is arranged on front shroud (1)；There are ante-chamber (6) and choma gap (7) between front shroud (1) and pump cover (3), wherein ante-chamber (6) communicates with impeller outlet (4), and choma gap (7) communicate with impeller inlet (5).
Efficient centrifugal pump novel impeller the most according to claim 1, it is characterised in that described annular boss (2) is loop configuration, and the quantity of annular boss (2) is multiple.
Efficient centrifugal pump novel impeller the most according to claim 1, it is characterised in that described annular boss (2) is formed in one with front shroud (1).
Efficient centrifugal pump novel impeller the most according to claim 1 and 2, it is characterised in that the axial dimension of annular boss (2) matches with pump cover (3) but do not produces friction.
Efficient centrifugal pump novel impeller the most according to claim 1 and 2, it is characterized in that the obstruction through annular boss (2), originally leak into the liquid stream of impeller inlet (5) through ante-chamber (6) and choma gap (7) from impeller outlet (4), only sub-fraction liquid stream leaks into impeller inlet (5) place through ante-chamber (6) and choma gap (7), and owing to the axial gap between annular boss (2) and pump cover (3) is the least, increase annular boss (2) and leakage value can be reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620186059.9U CN205423310U (en) | 2016-03-11 | 2016-03-11 | Novel impeller of high -efficient centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620186059.9U CN205423310U (en) | 2016-03-11 | 2016-03-11 | Novel impeller of high -efficient centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205423310U true CN205423310U (en) | 2016-08-03 |
Family
ID=56534539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620186059.9U Expired - Fee Related CN205423310U (en) | 2016-03-11 | 2016-03-11 | Novel impeller of high -efficient centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205423310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191386A (en) * | 2017-07-19 | 2017-09-22 | 宁波天安汽车零部件有限公司 | A kind of water pump |
-
2016
- 2016-03-11 CN CN201620186059.9U patent/CN205423310U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191386A (en) * | 2017-07-19 | 2017-09-22 | 宁波天安汽车零部件有限公司 | A kind of water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20170311 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |