CN109899316A - Accelerate the centrifugal impeller of centrifugal pump - Google Patents
Accelerate the centrifugal impeller of centrifugal pump Download PDFInfo
- Publication number
- CN109899316A CN109899316A CN201711289612.7A CN201711289612A CN109899316A CN 109899316 A CN109899316 A CN 109899316A CN 201711289612 A CN201711289612 A CN 201711289612A CN 109899316 A CN109899316 A CN 109899316A
- Authority
- CN
- China
- Prior art keywords
- impeller
- centrifugal
- blade
- front cover
- centrifuge
- 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.)
- Pending
Links
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
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal 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
- F04D29/24—Vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The centrifugal impeller of the present invention for accelerating centrifugal pump, including impeller front cover, impeller rear cover and several centrifuge blades, the leading edge of several centrifuge blades is uniformly arranged on behind impeller front cover by the center of circle of impeller front cover center, water inlet is provided among impeller front cover, the rear of several centrifuge blades is connected with before impeller rear cover respectively, it further include that several water rings are stupefied, several centrifuge blades are wide circular arc camber, the concave surface direction of the circular arc camber of each centrifuge blade is identical as the rotation direction of centrifugal impeller, several water rings are stupefied to be evenly distributed on before impeller front cover;By the technical program, the concave direction of the circular arc camber of centrifuge blade is identical as centrifugal impeller steering, and impeller front cover is stupefied equipped with water ring, not only increases the leakproofness of helical line chamber water channel, and improve flow velocity under Same Efficieney and revolving speed, increases work lift.
Description
Technical field
The present invention relates to a kind of centrifugal pumps, more particularly to a kind of centrifugal impeller for accelerating centrifugal pump.
Background technique
Centrifugal impeller is the core component of centrifugal water pump, the rotary power driving centrifugal impeller rotation through pump shaft input,
Liquid in impeller cavity is set to flow to the edge of centrifugal impeller under the influence of centrifugal force, get rid of after snail shape water channel chamber, through outlet stream
Out.
As shown in Figure 1, in prior art A, the centrifugal impeller 11 of centrifugal pump is seen in radial section, on centrifugal impeller 11
Each centrifuge blade be circular arc camber, several centrifuge blades are uniformly set at centrifugal impeller 11 with centrifugal impeller center
On, the concave direction of the circular arc camber of each centrifuge blade be it is opposite with the rotation direction of centrifugal impeller 11, i.e., if centrifugation
Impeller 11 is when rotating counterclockwise, and the convex surface direction of the circular arc camber of each centrifuge blade is also counterclockwise to arrange on impeller
, after centrifugal impeller 11 rotates, the water droplet particle 12 on centrifuge blade circular arc camber convex surface on centrifugal impeller 11 is centrifuged
Pressure effect is moved from inside to outside along centrifuge blade, flows through blade when the radian that centrifugal impeller 11 turns over is equal to water droplet particle 12
When distance, the water velocity that water droplet particle 12 is detached from centrifuge blade outflow 11 edge of centrifugal impeller can be because centrifuge blade circular arc be bent
The sweepback in face and reduce water velocity, because water velocity is directly proportional to the lift of water pump, using the prior art centrifugal water
Therefore the lift of pump can be affected.
Summary of the invention
In view of this, passing through this technology the main purpose of the present invention is to provide a kind of centrifugal impeller for accelerating centrifugal pump
The concave direction of scheme, the circular arc camber of centrifuge blade is identical as centrifugal impeller steering, and impeller front cover is stupefied equipped with water ring, not only mentions
The high leakproofness of helical line chamber water channel, and flow velocity is improved under Same Efficieney and revolving speed, increase work lift.
In order to achieve the above object, the technical scheme of the present invention is realized as follows: a kind of centrifugation leaf for accelerating centrifugal pump
Wheel, including impeller front cover, impeller rear cover and several centrifuge blades, the leading edge of several centrifuge blades is using impeller front cover center as the center of circle
On being uniformly arranged on behind impeller front cover, be provided with water inlet among impeller front cover, the rear of several centrifuge blades respectively with
It is connected before impeller rear cover, further includes that several water rings are stupefied, several centrifuge blades is wide circular arc camber, each centrifuge blade
Circular arc camber concave surface towards identical as the rotation direction of centrifugal impeller, several water rings are stupefied be evenly distributed on impeller front cover before
On face.
As further technical solution, the circular arc camber of the centrifuge blade is oblique by blade center curved surface, blade outer rim
Face and vane inside edge inclined-plane are constituted, when any is located on the vertical line of centrifugal impeller center on the blade center curved surface, in blade
When innermost being face central point horizontal line intersects with centrifugal impeller center vertical line, blade center center of surface point horizontal line and centrifugation leaf
The vertical range at wheel center is D, and the distance of the D is having a size of the 3/6-4/6 of centrifugal impeller radius R, blade center subsequent corrosion r
It is 1/4.
As further technical solution, the blade outer rim inclined-plane of circular arc camber is along centrifugal impeller in the centrifuge blade
Rotation direction turns forward 110 °~130 °, and the vane inside edge inclined-plane of circular arc camber turns along centrifugal impeller in the centrifuge blade
Dynamic direction tilts backwards 25 °~35 °, and tangent with the water inlet inner circle of impeller front cover.
As further technical solution, the thickness f of the impeller front cover and impeller rear cover is 6~12mm.
As further technical solution, the centrifuge blade with a thickness of the 1/ of impeller front cover and impeller rear cover thickness f
2。
As further technical solution, the thickness of the water ring covered before the impeller stupefied width e and centrifuge blade is set
It is identical.
Beneficial effect after by adopting the above technical scheme is: a kind of centrifugal impeller accelerating centrifugal pump, by this technology side
The concave direction of case, the circular arc camber of centrifuge blade is identical as centrifugal impeller steering, and impeller front cover is stupefied equipped with water ring, not only improves
The leakproofness of helical line chamber water channel, and flow velocity is improved under Same Efficieney and revolving speed, increase work lift.
Detailed description of the invention
Fig. 1 is the working principle diagram of centrifuge blade in the prior art and the present invention.
Fig. 2 is schematic perspective view of the invention.
Fig. 3 is structural schematic diagram of the invention.
Fig. 4 is the structural schematic diagram of centrifuge blade in the present invention.
In figure, 1 impeller front cover, 2 impeller rear covers, 3 centrifuge blades, 4 water inlets, 5 water rings are stupefied, 6 blade center curved surfaces, 7 leaves
Piece outer rim inclined-plane, 8 vane inside edge inclined-planes, 9 centrifugal impeller center vertical lines, 10 blade center center of surface point horizontal lines, 11 from
Lobus cardiacus wheel, 12 water droplet particles, the A prior art, B the technical program.
Specific embodiment
Specific embodiment in the present invention is described in further detail below in conjunction with attached drawing.
As shown in figs 2-4, the centrifugal impeller of the present invention for accelerating centrifugal pump, including impeller front cover 1, impeller rear cover
2 and several centrifuge blades 3, the leading edge of several centrifuge blades 3 be uniformly arranged on impeller front cover 1 using 1 center of impeller front cover as the center of circle
Behind on, water inlet 4 is provided among impeller front cover 1, the rear of several centrifuge blades 3 is respectively and before impeller rear cover 2
It is connected, further includes several water rings stupefied 5, several centrifuge blades 3 is wide circular arc camber, the circular arc camber of each centrifuge blade 3
Concave surface towards identical as the rotation direction of centrifugal impeller 11, several water rings stupefied 5 are evenly distributed on before impeller front cover 1.
As further embodiment, the circular arc camber of the centrifuge blade 3 is oblique by blade center curved surface 6, blade outer rim
Face 7 and vane inside edge inclined-plane 8 are constituted, when being a little located on centrifugal impeller center vertical line 9 on the blade center curved surface 6, leaf
When piece central surface central point horizontal line 10 intersects with centrifugal impeller center vertical line 9, blade center center of surface point horizontal line
10 and the vertical range at 11 center of centrifugal impeller are D, and the distance of the D is having a size of the 3/6 of centrifugal impeller radius R, blade center
Subsequent corrosion r is 1/4.
As further embodiment, the blade outer rim inclined-plane 7 of circular arc camber is along centrifugal impeller 11 in the centrifuge blade 3
Rotation direction turn forward 120 °, in the centrifuge blade 3 the vane inside edge inclined-plane 8 of circular arc camber along centrifugal impeller 11 turn
Dynamic direction tilts backwards 30 °, and tangent with 4 inner circle of the water inlet of impeller front cover 1.
As further embodiment, the thickness f of the impeller front cover 1 and impeller rear cover 2 is 6~12mm.
As further embodiment, the centrifuge blade 3 with a thickness of the 1/ of 2 thickness f of impeller front cover 1 and impeller rear cover
2。
As further embodiment, the width e of the water ring stupefied 5 on lid 1 before the impeller and the thickness of centrifuge blade 11 are set
It spends identical.
3 working principle of centrifuge blade of the invention, as shown in Fig. 1, in the technical program B, the centrifugal impeller of centrifugal pump
11, it is seen in radial section, each centrifuge blade 3 on centrifugal impeller 11 is circular arc camber, and several centrifuge blades 3 are with centrifugal impeller
11 centers are uniformly distributed setting, and the concave direction of the circular arc camber of each centrifuge blade 3 is the rotation direction with centrifugal impeller 11
Identical, i.e., if centrifugal impeller 11 is when rotating counterclockwise, the circular arc camber of each centrifuge blade 3 is recessed on centrifugal impeller 11
Face direction is also counterclockwise arrangement, 3 circular arc camber of centrifuge blade after centrifugal impeller 11 rotates, on centrifugal impeller 11
Water droplet particle 12 on concave surface is acted on by centrifugal pressure to be moved from inside to outside along centrifuge blade 3, when the arc that centrifugal impeller 11 turns over
When degree flows through the distance of centrifuge blade 3 equal to water droplet particle 12, water droplet particle 12 is bent by vane inside edge inclined-plane 8 and blade center
Face 6, water flow particle 12 by accelerate slowly with after centrifugal action, into 120 ° of inclined-planes on blade outer rim inclined-plane 7, along blade center song
The tangential direction in face 6, which is accelerated forwardly, dishes out.
Technical solution of the present invention compared with prior art, 60 ° of the carrier phase shift of two 3 edges of centrifuge blade, from
In the analysis of two centrifugal impellers 11, in the case where two centrifugal impellers 11 turn to identical situation, water flow is mobile to generate 60 ° of arc length roads
Path difference, water flow accelerate into helical line chamber water channel, and in the case where same revolving speed, water velocity is improved, to effectively mention
The high lift of centrifugal pump.
The above, preferable possible embodiments only of the invention, the protection scope being not intended to limit the invention.
Claims (6)
1. a kind of acceleration centrifugal pump and centrifugal impeller, including impeller front cover, impeller rear cover and several centrifuge blades, several centrifuge blades
Leading edge be uniformly arranged on behind impeller front cover by the center of circle of impeller front cover center, be provided among impeller front cover into water
Mouthful, the rear of several centrifuge blades is connected with before impeller rear cover respectively, which is characterized in that and it is stupefied including several water rings, it is several
Centrifuge blade is wide circular arc camber, the rotation direction of the concave surface direction and centrifugal impeller of the circular arc camber of each centrifuge blade
Identical, several water rings are stupefied to be evenly distributed on before impeller front cover.
2. acceleration centrifugal pump and centrifugal impeller according to claim 1, which is characterized in that the circular arc camber of the centrifuge blade
Be made of blade center curved surface, blade outer rim inclined-plane and vane inside edge inclined-plane, when on the blade center curved surface a little be located at from
On heart impeller center vertical line, when blade center center of surface point horizontal line intersects with centrifugal impeller center vertical line, in blade
The vertical range at innermost being face central point horizontal line and centrifugal impeller center is D, and the distance of the D is having a size of centrifugal impeller radius R
3/6-4/6, blade center subsequent corrosion r be 1/4.
3. acceleration centrifugal pump and centrifugal impeller according to claim 2, which is characterized in that circular arc camber in the centrifuge blade
Blade outer rim inclined-plane turn forward 110 °~130 ° along the rotation direction of centrifugal impeller, circular arc camber in the centrifuge blade
Vane inside edge inclined-plane tilts backwards 25 °~35 °, and the water inlet inner circle phase with impeller front cover along the rotation direction of centrifugal impeller
It cuts.
4. acceleration centrifugal pump and centrifugal impeller according to claim 1, which is characterized in that the impeller front cover and impeller rear cover
Thickness f be 6~12mm.
5. acceleration centrifugal pump and centrifugal impeller according to claim 2, which is characterized in that the centrifuge blade with a thickness of leaf
Take turns the 1/2 of front cover and impeller rear cover thickness f.
6. acceleration centrifugal pump and centrifugal impeller according to claim 1, which is characterized in that the water ring that setting covers before the impeller
Stupefied width e is identical as the thickness of centrifuge blade.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711289612.7A CN109899316A (en) | 2017-12-08 | 2017-12-08 | Accelerate the centrifugal impeller of centrifugal pump |
| PCT/CN2018/118413 WO2019109860A1 (en) | 2017-12-08 | 2018-11-30 | Centrifugal impeller for accelerating centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711289612.7A CN109899316A (en) | 2017-12-08 | 2017-12-08 | Accelerate the centrifugal impeller of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109899316A true CN109899316A (en) | 2019-06-18 |
Family
ID=66751299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711289612.7A Pending CN109899316A (en) | 2017-12-08 | 2017-12-08 | Accelerate the centrifugal impeller of centrifugal pump |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109899316A (en) |
| WO (1) | WO2019109860A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI785970B (en) * | 2022-01-21 | 2022-12-01 | 沅任科技股份有限公司 | Cyclone circulation fan |
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- 2017-12-08 CN CN201711289612.7A patent/CN109899316A/en active Pending
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- 2018-11-30 WO PCT/CN2018/118413 patent/WO2019109860A1/en not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003042096A (en) * | 2001-07-27 | 2003-02-13 | Zexel Valeo Climate Control Corp | Axial flow fan |
| CN2708013Y (en) * | 2004-05-31 | 2005-07-06 | 张瑛 | Centrifugal blowing impeller |
| JP2007247495A (en) * | 2006-03-15 | 2007-09-27 | Matsushita Electric Ind Co Ltd | Centrifugal fan device and electronic device including the same |
| CN101319681A (en) * | 2007-06-04 | 2008-12-10 | 株式会社日立产机系统 | Vortex blower |
| US20090317235A1 (en) * | 2007-06-04 | 2009-12-24 | Shizu Ishikawa | Vortex Blower |
| CN201244446Y (en) * | 2008-08-04 | 2009-05-27 | 襄樊五二五泵业有限公司 | Blade wheel retrofitting structure of flue gas desulfurization recycle pump |
| CN101713411A (en) * | 2008-10-07 | 2010-05-26 | 阳江市新力工业有限公司 | Semi-open impeller pump with sealing cover plate structure |
| CN201582175U (en) * | 2009-11-19 | 2010-09-15 | 宜兴市陈记玻璃钢风机有限公司 | Anti-backflow structure of centrifugal fan |
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| JP2012180810A (en) * | 2011-03-02 | 2012-09-20 | Toshiba Home Technology Corp | Air blowing device |
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| CN103388597A (en) * | 2013-08-14 | 2013-11-13 | 天津市宝丰风机制造有限公司 | High-sealing-performance enclosure of noise-reduction fan |
| CN204140483U (en) * | 2014-09-19 | 2015-02-04 | 河南金利金铅有限公司 | Dynamic wave thin acid pump |
| CN204226270U (en) * | 2014-10-24 | 2015-03-25 | 上海福思特流体机械有限公司 | Centrifugal pump impeller |
| JP2015135118A (en) * | 2015-03-16 | 2015-07-27 | 東芝ホームテクノ株式会社 | blower |
| CN204828377U (en) * | 2015-08-03 | 2015-12-02 | 合肥工业大学 | Vortex backpulsing hydraulic retarber |
| CN106895009A (en) * | 2017-03-30 | 2017-06-27 | 解树超 | A kind of cutting type is removed contamination one immersible pump |
| CN207701455U (en) * | 2017-12-08 | 2018-08-07 | 张颖 | Accelerate the centrifugal impeller of centrifugal pump |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019109860A1 (en) | 2019-06-13 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190618 |
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