CN206054312U - High-efficient energy-saving centrifugal pump - Google Patents

High-efficient energy-saving centrifugal pump Download PDF

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Publication number
CN206054312U
CN206054312U CN201621047572.6U CN201621047572U CN206054312U CN 206054312 U CN206054312 U CN 206054312U CN 201621047572 U CN201621047572 U CN 201621047572U CN 206054312 U CN206054312 U CN 206054312U
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CN
China
Prior art keywords
impeller
guiding gutter
blade
centrifugal pump
efficient energy
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.)
Expired - Fee Related
Application number
CN201621047572.6U
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Chinese (zh)
Inventor
陈育鸿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Yi Hong Industrial Co Ltd
Original Assignee
Shenzhen Yi Hong Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Yi Hong Industrial Co Ltd filed Critical Shenzhen Yi Hong Industrial Co Ltd
Priority to CN201621047572.6U priority Critical patent/CN206054312U/en
Application granted granted Critical
Publication of CN206054312U publication Critical patent/CN206054312U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

This utility model provides a kind of high-efficient energy-saving centrifugal pump, and which mainly includes the pump housing and impeller.Wherein, the pump housing includes the front shroud for matching and back shroud, forms impeller accommodating chamber, be provided with the first guiding gutter, be also equipped with the second guiding gutter in one side of the back shroud to cover plate forward on front shroud is to the one side to back shroud between front shroud and back shroud;Impeller is located at impeller and accommodates intracavity, and impeller is rotated by pump shaft, and impeller includes blade, and blade includes guide face, and guide face is provided with the 3rd guiding gutter on the guide face of blade perpendicular to the medial surface of the medial surface and back shroud of front shroud.High-efficient energy-saving centrifugal pump of the present utility model is energy-efficient, compact conformation, dependable performance, which passes through the first guiding gutter is arranged on front shroud, second guiding gutter is set on back shroud, 3rd guiding gutter is set on blade, the direction that liquid can be guided to flow, turbulent wasted work is reduced, under same power, higher lift and flow can be produced.

Description

High-efficient energy-saving centrifugal pump
Technical field
This utility model is related to centrifugal pump field, more particularly to a kind of high-efficient energy-saving centrifugal pump.
Background technology
Centrifugal pump is that, according to centrifugal principle, when being rotated by the impeller blade of high speed rotation, the centrifugal force that produces is conveying The pump of liquid.Conventional centrifugal pump generally adopts impeller mode, is rotated by motor driven impeller, and centrifugal force is formed in cavity will Liquid is thrown away from outlet, forms supercharging, and the liquid flowed out from impeller channel is constantly got rid of at a high speed to extrusion cavity.
The front and rear cover plate and blade of current centrifugal pump be it is smooth, fluid when impeller, pump case is flow through, flow velocity size There is certain change with the meeting in direction, easily produce turbulent flow in pump case, the presence of inverse pressure gradient can also cause circulation and Vortex, greatly reduces flow efficiency, while the power of motor is expended, in addition, rubbing between the impeller and liquid of high-speed rotation The loss of energy can equally be caused.
Therefore need to provide a kind of high-efficient energy-saving centrifugal pump to solve above-mentioned technical problem.
Utility model content
This utility model provides a kind of high-efficient energy-saving centrifugal pump by the first guiding gutter is arranged on front shroud, in back shroud The second guiding gutter of upper setting, arranges the 3rd guiding gutter on blade, and turbulent wasted work is reduced in the direction that liquid can be guided to flow, Under same power, higher lift and flow can be produced, it is easy because of smooth cover plate and blade in prior art to solve The turbulent circulation of generation expends power of motor and causes the loss of energy and the problem for wasting.
To solve above-mentioned technical problem, the technical solution of the utility model is:A kind of high-efficient energy-saving centrifugal pump, it is described efficient Energy-saving centrifugal pump mainly includes the pump housing and impeller.
Wherein, the pump housing includes the front shroud for matching and back shroud, forms leaf between the front shroud and the back shroud Wheel accommodating chamber, be provided with the first guiding gutter on the front shroud is to the one side to the back shroud, in the rear cover plate to The second guiding gutter is provided with the one side of the front shroud;
The impeller is located at the impeller and accommodates intracavity, and the impeller is rotated by pump shaft, and the pump shaft passes through described Back shroud connects the impeller, and the impeller includes blade, and the blade includes guide face, and the guide face is before described The medial surface of the medial surface of cover plate and the back shroud, is provided with the 3rd guiding gutter on the guide face of the blade, described Medial surface of the water conservancy diversion direction of the 3rd guiding gutter perpendicular to the medial surface and the back shroud of the front shroud.
In this utility model, the blade is arc shaped blade, and the guide face of the arc shaped blade is arc guide face, institute State arc guide face vertical with the medial surface of the medial surface of the front shroud and the back shroud.
Further, rectilinear 3rd guiding gutter, and the described 3rd are provided with the guide face of the arc shaped blade The grooved of guiding gutter is square.
Further, first guiding gutter is the arc guiding gutter corresponding with the arc guide face, and described The grooved of one guiding gutter is semicircle, and second guiding gutter is the arc guiding gutter corresponding with the arc guide face, and The grooved of second guiding gutter is semicircle.
In this utility model, the impeller includes that the blade is eight, described for disposing the wheel hub of the blade Blade is uniformly distributed on the wheel hub.
In this utility model, the blade includes two guide faces, and multiple institutes are provided with the guide face The 3rd guiding gutter is stated, the surface of the 3rd guiding gutter is shiny surface.
In this utility model, the impeller is aluminum alloy impeller.
In this utility model, the high-efficient energy-saving centrifugal pump also includes volute casing, and the volute casing is enclosed in the impeller Around.
In this utility model, the pump shaft is connected by bearing with the back shroud, and the pump shaft and the bonnet Mechanical sealing assembly is provided between plate.
This utility model is compared to prior art, its advantage:High-efficient energy-saving centrifugal pump of the present utility model is efficiently saved Energy, compact conformation, dependable performance, which passes through the first guiding gutter is arranged on front shroud, and the second guiding gutter is arranged on back shroud, 3rd guiding gutter is set on blade, and impeller is located at the impeller receiving intracavity that front shroud and back shroud are formed, in impeller at a high speed During rotation, the direction that liquid can be guided to flow more smoothly flows to the first guiding gutter, the second guiding gutter along the 3rd guiding gutter, Be forced out outside the pump housing afterwards, liquid flow more rule smoothly, this reduces turbulent wasted work, under same power, energy Produce higher lift and flow.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below in embodiment The required accompanying drawing for using is briefly described, and drawings in the following description are only that section Example of the present utility model is corresponding Accompanying drawing.
Fig. 1 is the partial sectional view of the positive apparent direction of the preferred embodiment of high-efficient energy-saving centrifugal pump of the present utility model.
The sectional views along cutting line A-A ` made of the Fig. 2 by the high-efficient energy-saving centrifugal pump in Fig. 1.
It is corresponding entitled representated by numeral in figure:
11:Front shroud, 111:First guiding gutter, 12:Back shroud, 121:Second guiding gutter, 13:Impeller, 131:Wheel hub, 132:Blade, 133:3rd guiding gutter, 14:Pump shaft, 15:Volute casing, 16:Bearing, 17:Mechanical sealing assembly, 18:Check-valves.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.Based on the embodiment in this utility model, those skilled in the art are obtained under the premise of creative work is not made The every other embodiment for obtaining, belongs to the scope of this utility model protection.
In figure, the similar unit of structure is represented with identical label.
Fig. 1 and Fig. 2 is refer to, wherein Fig. 1 is facing for the preferred embodiment of high-efficient energy-saving centrifugal pump of the present utility model The partial sectional view in direction, the sectional views along cutting line A-A ` made of the Fig. 2 by the high-efficient energy-saving centrifugal pump in Fig. 1.
Pump is the machinery for conveying liquid or making liquid supercharging.Motive mechanical energy or other external energies are sent to by it Liquid so that liquid energy increases, is mainly used to convey liquid, and centrifugal pump is using pump widely.Centrifugal pump it is basic What construction was made up of six parts is impeller respectively, the pump housing, pump shaft, bearing, sealing ring, stuffing-box.Impeller is the core of centrifugal pump Center portion point, its rotating speed high output are big, and the blade on impeller plays Main Function again, and the outer surface requirement on impeller is smooth, to subtract Few its friction loss with liquid.
Generally by the way of impeller liquid provides kinetic energy, import and export are directly connected with pipeline centrifugal pump by flange, Rotated by motor driven impeller, centrifugal force is formed in cavity and liquid is thrown away from outlet, form supercharging, by impeller channel stream The liquid for going out constantly is got rid of at a high speed to cavity is extruded, and when impeller, pump case is flow through, the meeting of flow velocity size and Orientation necessarily fluid occurs Change, easily produce turbulent flow in the pump case, greatly reduce flow efficiency, while expend the power of motor, in addition, turning at a high speed Rub between dynamic impeller and liquid and can similarly cause loss and the leakage loss of energy, reduce bulk flow.
A kind of preferred reality of high-efficient energy-saving centrifugal pump that can solve above technical problem of this utility model offer is provided Apply example.
The preferred embodiment of high-efficient energy-saving centrifugal pump that this utility model is provided is:A kind of high-efficient energy-saving centrifugal pump, its master The pump housing to be included and impeller 13.
The pump housing includes the front shroud 11 for matching and back shroud 12, forms impeller and accommodate between front shroud 11 and back shroud 12 Chamber, is provided with the first guiding gutter 111 in 11 pairs of one sides to back shroud 12 of front shroud, in the cover plate 11 forward of back shroud 12 pairs The water conservancy diversion direction that the second guiding gutter 121, the first guiding gutter 111 and the second guiding gutter 121 are provided with simultaneously tends to blade 132 Direction of rotation is arranged.
Wherein, the inlet of the pump housing is arranged on front shroud 11, be provided with liquid outlet in getting rid of for impeller 13 on liquid direction, can Inlet and liquid outlet with reference to shown in Fig. 2.
Impeller 13 is located at the impeller receiving intracavity that front shroud 11 and back shroud 12 are formed, and impeller 13 drives rotation by pump shaft 14 Turn, pump shaft 14 connects impeller 13 through back shroud 12, and pump shaft 14 is connected by bearing 16 with back shroud 12, and pump shaft 14 and bonnet Mechanical sealing assembly 17 is provided between plate 12.Pump shaft 14 is passed at back shroud 12, the pump shaft 14 and fixed back shroud of rotation Gap is certainly existed between 12, if do not taken appropriate measures, the highly pressurised liquid flowed out from impeller 13 can be a large amount of by this gap Flow out, if the pressure of gap location is vacuum, air can be entered in pump, therefore, it is necessary to arrange gland seal device from this.
Impeller 13 includes blade 132, and blade 132 includes guide face, the guide face perpendicular to front shroud 11 medial surface with And the medial surface of back shroud 12, the 3rd guiding gutter 133, the water conservancy diversion of the 3rd guiding gutter 133 are provided with the guide face of blade 132 Medial surface of the direction perpendicular to the medial surface and back shroud 12 of front shroud 11.
Wherein, check-valves 18 are also provided with liquid outlet, during the effect of check-valves 18 prevents liquid outlet pipeline Liquid flows backwards and to form liquid hammer and cause impeller 13 in pump to damage.
High-efficient energy-saving centrifugal pump of the present utility model also includes volute casing 15, and volute casing 15 is enclosed in around impeller 13, volute casing 15 can collect liquid, be oriented to liquid outlet, and the flowing of convection cell is played guide effect, reduces the energy loss in pump, medium Speed can be converted into pressure energy, and energy loss is minimized.
In the preferred embodiment, blade 132 is arc shaped blade, and the guide face of blade 132 is also arc guide face, and arc Medial surface of the shape guide face perpendicular to the medial surface and back shroud 12 of front shroud 11, the 3rd on the guide face of arc shaped blade Guiding gutter 133 is rectilinear guiding gutter, and the liquid being enclosed in around blade 132 is flowed to through the guiding of the 3rd guiding gutter 133 Space between impeller 13 and front shroud 11, back shroud 12.
Then, under the drive of the impeller 13 for rotating, liquid runs down the first guiding gutter 111 and the second guiding gutter 121 flow, The water conservancy diversion direction of the first guiding gutter 111 and the second guiding gutter 121 tends to the direction of rotation of blade 132 and arranges, and liquid is through being oriented to What is flowed afterwards is more stable.
Meanwhile, the blade 131 in this preferred embodiment includes two guide faces, is provided with multiple on two guide faces 3rd guiding gutter 133, in addition, the grooved of the 3rd guiding gutter 133 is square, the surface of the 3rd guiding gutter 133 is also smooth Face, the outer surface of 132 Smooth of blade, it is possible to reduce its friction loss with liquid.
Further, the first guiding gutter 111 is the arc guiding gutter corresponding with the arc guide face of blade 132, first The grooved of guiding gutter 111 is semicircle, and the second guiding gutter 121 is the arc water conservancy diversion corresponding with the arc guide face of blade 132 Groove, the grooved of the second guiding gutter 121 is also semicircle.
In the preferred embodiment, impeller 13 includes wheel hub 131, and blade 132 is fixedly connected on wheel hub 131 and forms overall Blade wheel structure, the blade 132 in this preferred embodiment be eight, blade 132 is uniformly distributed on wheel hub 131.
In a preferred embodiment, impeller 13 is aluminum alloy impeller.
Operation principle of the present utility model:Liquid is entered from the inlet of centrifugal pump, and is full of the impeller of whole centrifugal pump Accommodating chamber, opens the motor of centrifugal pump, and motor is rotated by 14 impeller 13 of pump shaft, and the impeller of rotation can be in impeller accommodating chamber Liquid is thrown away by interior formation centrifugal force along blade 132, and liquid can be got rid of along the flowing of the 3rd guiding gutter 133 for designing Go out.
In addition, liquid is enclosed in the liquid around blade 132 through the 3rd guiding gutter when receiving intracavity is driven by impeller 133 guiding flows to the space between impeller 13 and front shroud 11, back shroud 12, and then liquid is again along the first guiding gutter 111 Flow with the second guiding gutter 121, such liquid is not easy to produce turbulent flow in pump case body, flows more regular, more It is stable, flow efficiency is improve, the loss that turbulent flow causes energy to the consuming of power of motor is reduced.
Wherein, the outer surface of blade 132 and the 3rd guiding gutter 133 is smooth, and this can equally reduce and turn at a high speed Rub between dynamic impeller and liquid the energy loss for causing.
On the other hand, volute casing 15 can collect liquid, and play guide effect to the liquid that impeller 13 drives, and can reduce in pump Energy loss, the speed of liquid can be converted into pressure energy, finally, in the presence of pressure energy, liquid can be through check-valves 18 discharge from liquid outlet, and check-valves 18 can prevent from the liquid in liquid outlet pipeline from flowing backwards to form liquid hammer and cause impeller 13 in pump to damage Wound.
The drawing liquid process of the high-efficient energy-saving centrifugal pump of this preferred embodiment is completed so.
The high-efficient energy-saving centrifugal pump of this preferred embodiment is energy-efficient, compact conformation, dependable performance, and which passes through in front shroud The first guiding gutter of upper setting, is provided with the second guiding gutter on back shroud, is provided with the 3rd guiding gutter on blade, and impeller position The impeller formed in front shroud and back shroud accommodates intracavity, when impeller rotates at a high speed, the flow direction of liquid can be guided Turbulent wasted work is reduced, under same power, higher lift and flow can be produced.
In sum, although this utility model is disclosed above with preferred embodiment, but above preferred embodiment is not used To limit this utility model, one of ordinary skill in the art, in without departing from spirit and scope of the present utility model, can make Various changes are defined by the scope that claim is defined with retouching, therefore protection domain of the present utility model.

Claims (9)

1. a kind of high-efficient energy-saving centrifugal pump, it is characterised in that the high-efficient energy-saving centrifugal pump includes:
The pump housing, which includes the front shroud for matching and back shroud, forms impeller and accommodate between the front shroud and the back shroud Chamber, is provided with the first guiding gutter on the front shroud is to the one side to the back shroud, and cover plate is to before described in the rear The second guiding gutter is provided with the one side of cover plate;
The impeller, which is located at the impeller and accommodates intracavity, and the impeller is rotated by pump shaft, and the pump shaft is through after described Cover plate connects the impeller, and the impeller includes blade, and the blade includes guide face, and the guide face is perpendicular to the protecgulum The medial surface of the medial surface of plate and the back shroud, is provided with the 3rd guiding gutter on the guide face of the blade, and described Medial surface of the water conservancy diversion direction of three guiding gutters perpendicular to the medial surface and the back shroud of the front shroud.
2. high-efficient energy-saving centrifugal pump according to claim 1, it is characterised in that the blade is arc shaped blade, the arc The guide face of shape blade be arc guide face, medial surface and the bonnet of the arc guide face perpendicular to the front shroud The medial surface of plate.
3. high-efficient energy-saving centrifugal pump according to claim 2, it is characterised in that on the guide face of the arc shaped blade Three guiding gutters are rectilinear 3rd guiding gutter, and the grooved of the 3rd guiding gutter is square.
4. high-efficient energy-saving centrifugal pump according to claim 2, it is characterised in that first guiding gutter is and the arc The corresponding arc guiding gutter of guide face, and the grooved of first guiding gutter is semicircle, second guiding gutter is and institute The corresponding arc guiding gutter of arc guide face, and the grooved of second guiding gutter are stated for semicircle.
5. high-efficient energy-saving centrifugal pump according to claim 1, it is characterised in that the impeller is included for disposing the leaf The wheel hub of piece, the blade are eight, and the blade is uniformly distributed on the wheel hub.
6. high-efficient energy-saving centrifugal pump according to claim 1, it is characterised in that the blade includes two guide faces, and Multiple 3rd guiding gutters are provided with the guide face, the surface of the 3rd guiding gutter is shiny surface.
7. high-efficient energy-saving centrifugal pump according to claim 1, it is characterised in that the impeller is aluminum alloy impeller.
8. high-efficient energy-saving centrifugal pump according to claim 1, it is characterised in that the high-efficient energy-saving centrifugal pump also includes snail Room, the volute casing are enclosed in around the impeller.
9. high-efficient energy-saving centrifugal pump according to claim 1, it is characterised in that the pump shaft passes through axle with the back shroud Hold mechanical sealing assembly is provided between connection, and the pump shaft and the back shroud.
CN201621047572.6U 2016-09-09 2016-09-09 High-efficient energy-saving centrifugal pump Expired - Fee Related CN206054312U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621047572.6U CN206054312U (en) 2016-09-09 2016-09-09 High-efficient energy-saving centrifugal pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621047572.6U CN206054312U (en) 2016-09-09 2016-09-09 High-efficient energy-saving centrifugal pump

Publications (1)

Publication Number Publication Date
CN206054312U true CN206054312U (en) 2017-03-29

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Family Applications (1)

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CN201621047572.6U Expired - Fee Related CN206054312U (en) 2016-09-09 2016-09-09 High-efficient energy-saving centrifugal pump

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107218225A (en) * 2017-07-31 2017-09-29 苏州百硕自动化环保设备有限公司 A kind of high water rate centrifugal water pump of resistance to idle running
CN108518361A (en) * 2018-03-22 2018-09-11 重庆科创水处理设备有限公司 Energy saving and environment friendly centrifugal multistage pump multiple centrifugal pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107218225A (en) * 2017-07-31 2017-09-29 苏州百硕自动化环保设备有限公司 A kind of high water rate centrifugal water pump of resistance to idle running
CN108518361A (en) * 2018-03-22 2018-09-11 重庆科创水处理设备有限公司 Energy saving and environment friendly centrifugal multistage pump multiple centrifugal pump
CN108518361B (en) * 2018-03-22 2020-05-05 重庆科创水处理设备有限公司 Energy-saving environment-friendly multistage centrifugal pump

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170329

Termination date: 20170909

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