CN207701455U - Accelerate the centrifugal impeller of centrifugal pump - Google Patents

Accelerate the centrifugal impeller of centrifugal pump Download PDF

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Publication number
CN207701455U
CN207701455U CN201721693796.9U CN201721693796U CN207701455U CN 207701455 U CN207701455 U CN 207701455U CN 201721693796 U CN201721693796 U CN 201721693796U CN 207701455 U CN207701455 U CN 207701455U
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China
Prior art keywords
impeller
centrifugal
blade
protecgulum
centrifuge
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Expired - Fee Related
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CN201721693796.9U
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Chinese (zh)
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董国兴
杜丽红
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Individual
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Abstract

The utility model is related to acceleration centrifugal pump centrifugal impeller, including impeller protecgulum, impeller rear cover and several centrifuge blades, the leading edge of several centrifuge blades is uniformly arranged on by the center of circle of impeller protecgulum center behind impeller protecgulum, it is provided with water inlet among impeller protecgulum, the rear of several centrifuge blades is connected with before impeller rear cover respectively, 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 protecgulum;By the technical program, the concave direction of the circular arc camber of centrifuge blade is identical as centrifugal impeller steering, and impeller protecgulum 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 rotating speed, increases work lift.

Description

Accelerate the centrifugal impeller of centrifugal pump
Technical field
The utility model is related to a kind of centrifugal pumps, more particularly to a kind of centrifugal impeller accelerating centrifugal pump.
Background technology
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 Go 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 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, when the radian that centrifugal impeller 11 turns over flows through blade equal to water droplet particle 12 When distance, the water velocity that water droplet particle 12 is detached from 11 edge of centrifuge blade outflow 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.
Utility model content
In view of this, the main purpose of the utility model is to provide a kind of centrifugal impeller accelerating centrifugal pump, pass through this The concave direction of technical solution, the circular arc camber of centrifuge blade is identical as centrifugal impeller steering, and impeller protecgulum is stupefied equipped with water ring, no But the leakproofness of helical line chamber water channel is improved, and flow velocity is improved under Same Efficieney and rotating speed, increases work lift.
In order to achieve the above object, the technical solution of the utility model is realized in:It is a kind of accelerate centrifugal pump from The leading edge of lobus cardiacus wheel, including impeller protecgulum, impeller rear cover and several centrifuge blades, several centrifuge blades is with impeller protecgulum center On the center of circle is uniformly arranged on behind impeller protecgulum, water inlet, the rear fate of several centrifuge blades are provided among impeller protecgulum It is not connected with before impeller rear cover, further includes that several water rings are stupefied, several centrifuge blades is wide circular arc camber, each to centrifuge The concave surface direction of the circular arc camber of blade is identical as the rotation direction of centrifugal impeller, and several water rings are stupefied to be evenly distributed on impeller protecgulum Before on.
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 being a little 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 be D, the D apart from size be centrifugal impeller radius R 3/6-4/6, 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 protecgulum.
As further technical solution, the thickness f of the impeller protecgulum and impeller rear cover is 6~12mm.
As further technical solution, the thickness of the centrifuge blade is the 1/ of impeller protecgulum and impeller rear cover thickness f 2。
As further technical solution, the thickness of the stupefied width e and centrifuge blade of water ring covered before the impeller is set It is identical.
It is using the advantageous effect after above-mentioned technical proposal: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 protecgulum 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 rotating speed, increase work lift.
Description of the drawings
Fig. 1 is the fundamental diagram of the prior art and centrifuge blade in the utility model.
Fig. 2 is the dimensional structure diagram of the utility model.
Fig. 3 is the structural schematic diagram of the utility model.
Fig. 4 is the structural schematic diagram of centrifuge blade in the utility model.
In figure, 1 impeller protecgulum, 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 arts, B the technical program.
Specific implementation mode
Specific embodiment in the utility model is described in further detail below in conjunction with attached drawing.
As shown in figs 2-4, the utility model is related to acceleration centrifugal pump centrifugal impeller, including impeller protecgulum 1, impeller The leading edge of rear cover 2 and several centrifuge blades 3, several centrifuge blades 3 is uniformly arranged before the impeller using 1 center of impeller protecgulum as the center of circle On behind lid 1, be provided with water inlet 4 among impeller protecgulum 1, the rears of several centrifuge blades 3 respectively with before impeller rear cover 2 Face is connected, and further includes several water rings stupefied 5, and several centrifuge blades 3 are wide circular arc camber, and the circular arc of each centrifuge blade 3 is bent The concave surface direction in face is identical as the rotation direction of centrifugal impeller 11, and several water rings stupefied 5 are evenly distributed on before impeller protecgulum 1 On.
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, the D apart from 3/6 that size is 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 protecgulum 1.
As further embodiment, the thickness f of the impeller protecgulum 1 and impeller rear cover 2 is 6~12mm.
As further embodiment, the thickness of the centrifuge blade 3 is the 1/ of 2 thickness f of impeller protecgulum 1 and impeller rear cover 2。
As further embodiment, the thickness of the width e and centrifuge blade 11 of the water ring stupefied 5 on lid 1 before the impeller is set It spends identical.
3 operation principle of centrifuge blade of the utility model, as shown in Fig. 1, in the technical program B, the centrifugation of centrifugal pump Impeller 11 sees that each centrifuge blade 3 on centrifugal impeller 11 is circular arc camber, and several centrifuge blades 3 are to centrifuge in radial section 11 center of impeller is uniformly distributed setting, and the concave direction of the circular arc camber of each centrifuge blade 3 is the rotation with centrifugal impeller 11 Direction is identical, i.e., if centrifugal impeller 11 is when rotating counterclockwise, the circular arc camber of each centrifuge blade 3 on centrifugal impeller 11 Concave direction be also counterclockwise arrangement, after centrifugal impeller 11 rotates, 3 circular arc of centrifuge blade on centrifugal impeller 11 Water droplet particle 12 on curved surface concave surface is acted on by centrifugal pressure to be moved from inside to outside along centrifuge blade 3, when centrifugal impeller 11 turns over Radian when flowing through the distance of centrifuge blade 3 equal to water droplet particle 12, water droplet particle 12 is by vane inside edge inclined-plane 8 and blade Innermost being face 6, flow particle 12 by accelerate slowly with after centrifugal action, into 120 ° of inclined-planes on blade outer rim inclined-plane 7, along blade The tangential direction in innermost being face 6, which is accelerated forwardly, dishes out.
The technical solution of the utility model compared with prior art, the carrier phase shift of two 3 edges of centrifuge blade 60 °, from the analysis of two centrifugal impellers 11, identical, 60 ° of flow movement generation is turned in two centrifugal impellers 11 Arc length path length difference, flow accelerate into helical line chamber water channel, and in the case of same rotating speed, water velocity is improved, to have The lift for improving centrifugal pump of effect.
The above, the only preferable possible embodiments of the utility model, are not limited to the utility model Protection domain.

Claims (6)

1. a kind of centrifugal impeller accelerating centrifugal pump, including impeller protecgulum, impeller rear cover and several centrifuge blades, several centrifugation leaves The leading edge of piece is uniformly arranged on by the center of circle of impeller protecgulum center behind impeller protecgulum, is provided with into water among impeller protecgulum 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 protecgulum.
2. the centrifugal impeller according to claim 1 for accelerating centrifugal pump, which is characterized in that the circular arc of the centrifuge blade is bent Face is made of blade center curved surface, blade outer rim inclined-plane and vane inside edge inclined-plane, is a little located at when on the blade center curved surface On the vertical line of centrifugal impeller center, when blade center center of surface point horizontal line intersects with centrifugal impeller center vertical line, blade The vertical range at central surface central point horizontal line and centrifugal impeller center is D, the D apart from size be centrifugal impeller radius The 3/6-4/6 of R, blade center subsequent corrosion r are 1/4.
3. the centrifugal impeller according to claim 2 for accelerating centrifugal pump, which is characterized in that circular arc is bent in the centrifuge blade The blade outer rim inclined-plane in face turns forward 110 °~130 ° along the rotation direction of centrifugal impeller, circular arc camber in the centrifuge blade Vane inside edge inclined-plane tilt backwards 25 °~35 ° along the rotation direction of centrifugal impeller, and with the water inlet inner circle of impeller protecgulum It is tangent.
4. the centrifugal impeller according to claim 1 for accelerating centrifugal pump, which is characterized in that after the impeller protecgulum and impeller The thickness f of lid is 6~12mm.
5. the centrifugal impeller according to claim 2 for accelerating centrifugal pump, which is characterized in that the thickness of the centrifuge blade is The 1/2 of impeller protecgulum and impeller rear cover thickness f.
6. the centrifugal impeller according to claim 1 for accelerating centrifugal pump, which is characterized in that the water that setting covers before the impeller The stupefied width e of ring is identical as the thickness of centrifuge blade.
CN201721693796.9U 2017-12-08 2017-12-08 Accelerate the centrifugal impeller of centrifugal pump Expired - Fee Related CN207701455U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721693796.9U CN207701455U (en) 2017-12-08 2017-12-08 Accelerate the centrifugal impeller of centrifugal pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721693796.9U CN207701455U (en) 2017-12-08 2017-12-08 Accelerate the centrifugal impeller of centrifugal pump

Publications (1)

Publication Number Publication Date
CN207701455U true CN207701455U (en) 2018-08-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019109860A1 (en) * 2017-12-08 2019-06-13 张颖 Centrifugal impeller for accelerating centrifugal pump
CN110206752A (en) * 2019-06-17 2019-09-06 天长市远安机械有限公司 A kind of centrifugal pump for accelerating water speed out

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019109860A1 (en) * 2017-12-08 2019-06-13 张颖 Centrifugal impeller for accelerating centrifugal pump
CN109899316A (en) * 2017-12-08 2019-06-18 张颖 Accelerate the centrifugal impeller of centrifugal pump
CN110206752A (en) * 2019-06-17 2019-09-06 天长市远安机械有限公司 A kind of centrifugal pump for accelerating water speed out

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180807

Termination date: 20201208

CF01 Termination of patent right due to non-payment of annual fee