CN206770269U - Double suction Turo pump - Google Patents
Double suction Turo pump Download PDFInfo
- Publication number
- CN206770269U CN206770269U CN201720564132.6U CN201720564132U CN206770269U CN 206770269 U CN206770269 U CN 206770269U CN 201720564132 U CN201720564132 U CN 201720564132U CN 206770269 U CN206770269 U CN 206770269U
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- China
- Prior art keywords
- impeller
- pump
- double suction
- turo
- pump housing
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Abstract
The utility model discloses a kind of double suction Turo pump, the double suction Turo pump includes：The pump housing, the pump housing are provided with charging aperture and discharging opening；Pump cover, the pump cover are located on the pump housing；Axle, the axle are rotatably provided on the pump housing by bearing；And first impeller and the second impeller, each in first impeller and second impeller is arranged on the shaft, each in first impeller and second impeller is located in the pump housing, the shape of wherein described first impeller is identical with the shape of second impeller, the size of first impeller is identical with the size of second impeller, one radial section of first impeller axle relative with second impeller is symmetrical, first impeller and the back-to-back setting of the second impeller.According to the advantage such as the double suction Turo pump of the utility model embodiment has axial force of impeller autobalance, simple in construction, manufacture difficulty is small, manufacturing cost is low.
Description
Technical field
Pump is the utility model is related to, in particular to double suction Turo pump.
Background technology
In view of cavitation factor, the inlet diameter of the first stage impeller of existing two-stage (two-speed) pump is always than the inlet diameter of secondary impeller
Greatly, so as to cause axial force caused by two impellers uneven, the bearing life of water pump can be substantially reduced, influences the fortune of water pump
Row reliability.
Existing Turo pump is in order to balance the axial force of impeller, otherwise the structure such as increase balancing frame, balance ring, balance cylinder,
Back blades is set on impeller.That is, existing Turo pump needs to set extra part, to balance the axle of impeller
Xiang Li, thus causes that existing Turo pump is complicated, manufacture difficulty is big, manufacturing cost is high.
Utility model content
The utility model aims to solve the problem that problems of the prior art.Therefore, can be certainly the utility model proposes one kind
The double suction Turo pump of axial force of impeller is balanced dynamicly.
To achieve these goals, to include according to the utility model proposes double suction Turo pump, the double suction Turo pump：Pump
Body, the pump housing are provided with charging aperture and discharging opening；Pump cover, the pump cover are located on the pump housing；Axle, the axle pass through bearing
It is rotatably provided on the pump housing；And first impeller and the second impeller, in first impeller and second impeller
Each is arranged on the shaft, and each in first impeller and second impeller is located in the pump housing, wherein
The shape of first impeller is identical with the shape of second impeller, the size of first impeller and second impeller
Size is identical, and a radial section of first impeller axle relative with second impeller is symmetrical, first impeller
With the back-to-back setting of the second impeller.
According to double suction Turo pump of the present utility model by set shape, the impeller of size identical first and the second impeller,
And make the first impeller of back-to-back setting and a radial section of the second impeller relative axle symmetrical, so as to completely automatically
Balance the axial force of the impeller of double suction Turo pump.In other words, the axial force of the first impeller and the axial force size phase of the second impeller
Deng and it is in opposite direction, therefore without setting extra part, it is possible to balance the first impeller of double suction Turo pump axial force and
The axial force of second impeller.
Therefore, according to double suction Turo pump of the present utility model has axial force of impeller autobalance, simple in construction, manufacture is difficult
Spend the advantages such as small, manufacturing cost is low.
Following additional technical feature can also be had according to double suction Turo pump of the present utility model：
First impeller contacts with second impeller.
First impeller is integrally formed with second impeller.
Form the first transfer passage between the front end face of the blade of first impeller and the side of the pump housing, described
The second conveying connected with first transfer passage is formed between the front end face of the blade of two impellers and the side of the pump housing
Passage.
The blade of first impeller has high incidence, and the blade of second impeller has high incidence.
The blade of first impeller is height edge folding blades, and the blade of second impeller is height edge folding blades.
The double suction Turo pump further comprises axle envelope, and the axle envelope is located between the axle and the bearing.
The axle envelope is Double End bellows mechanical shaft seal.
There is spiral pumping chamber in the pump housing.
There is annular seal space in the pump housing, be provided between first impeller and second impeller and the annular seal space auxiliary
Help sealing.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the structural representation according to the double suction Turo pump of the utility model embodiment.
Double suction Turo pump 100, the pump housing 1, pump cover 2, the first impeller 3, the second impeller 4, axle 5.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " be only used for describe purpose, and it is not intended that instruction or
Imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", the spy of " second " are defined
Sign can be expressed or implicitly include one or more this feature.In description of the present utility model, unless otherwise saying
Bright, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Double suction Turo pump 100 below with reference to Fig. 1 descriptions according to the utility model embodiment.As shown in figure 1, according to this reality
Include the pump housing 1, pump cover 2, axle 5, the first impeller 3 and the second impeller 4 with the double suction Turo pump 100 of new embodiment.
The pump housing 1 is provided with charging aperture and discharging opening, and pump cover 2 is located on the pump housing 1, and axle 5 is held by axle 5 and is rotatably provided in pump
On body 1.Each in first impeller 3 and the second impeller 4 is set on axle 5, each in the first impeller 3 and the second impeller 4
It is individual to be located in the pump housing 1.Wherein, the shape of the first impeller 3 is identical with the shape of the second impeller 4, the size and second of the first impeller 3
The size of impeller 4 is identical, and the first impeller 3 and a radial section of the relative axle 5 of the second impeller 4 are symmetrical, the first impeller 3 and second
4 back-to-back setting of impeller.That is, the size of the first impeller 3 is identical with the size of the second impeller 4, a radial section
Perpendicular to the axis of axle 5.
Existing Turo pump is in order to balance the axial force of impeller, otherwise the structure such as increase balancing frame, balance ring, balance cylinder,
Back blades is set on impeller.That is, existing Turo pump needs to set extra part, to balance the axle of impeller
Xiang Li, thus causes that existing Turo pump is complicated, manufacture difficulty is big, manufacturing cost is high.
According to the double suction Turo pump 100 of the utility model embodiment by setting shape, the and of the first impeller of size identical 3
Second impeller 4 and make the first impeller 3 of back-to-back setting and a radial section of the relative axle 5 of the second impeller 4 symmetrical, so as to
The axial force of the impeller of double suction Turo pump 100 can completely automatically be balanced.In other words, the axial force and second of the first impeller 3
The axial force of impeller 4 is equal in magnitude and in opposite direction, therefore without the extra part of setting, it is possible to balance double suction Turo pump
The axial force of 100 the first impeller 3 and the axial force of the second impeller 4.
Therefore, axial force of impeller autobalance, structure letter are had according to the double suction Turo pump 100 of the utility model embodiment
The advantages such as singly, manufacture difficulty is small, manufacturing cost is low.
As shown in figure 1, in some embodiments of the utility model, the first impeller 3 can contact with the second impeller 4.Have
Sharp ground, the first impeller 3 can be integrally formed with the second impeller 4.Thus the structural strength of impeller can be not only improved, and can be with
Reduce the manufacture difficulty of double suction Turo pump 100.
According to the pump housing 1 of the double suction Turo pump 100 of the utility model embodiment, pump cover 2, the first impeller 3 and the second impeller 4
Turo pump technology can be used to manufacture Deng key hydraulic part.Turo pump belongs to Non-blinding pump, is rotated because its internal flow is present
Vortex movement and gain the name, Turo pump is used for pumping complex dielectrics or impure fluid.In some chemical industry, pharmacy and sewage
The fields such as processing, compared to other kinds of Non-blinding pump, the special no phyllocyst structure of Turo pump convey it is complicated and lossless severe
There is certain advantage under the conditions of quarter.
In structure, in the pump chamber behind the impeller retraction to pumping chamber of Turo pump, face is formed one wider before the impeller
Runner.When the impeller rotation of Turo pump, fluid flows into impeller, a part from pump suction casing by the central area of this runner
Fluid is acted on forming insertion stream by impeller.And because impeller retraction, insertion stream are pressed after can only flowing out to spiral case from leaf top back edge
Go out outside pump.Another part fluid forms swirl shape because viscosity forms recycle stream in axis projection.
Under conditions of same lift is produced, compared with centrifugal pump, the impeller diameter of double suction Turo pump 100 wants small by 10%
More than, the volume thus, it is possible to significantly reduce double suction Turo pump 100, the weight of mitigation double suction Turo pump 100.It is strong in view of impeller
Degree, handling capacity and wearability, the impeller blade width of double suction Turo pump 100 is larger and without front shroud, is not easily blocked, uses
Bend in one direction column type vane form, it is more relatively low than other blade shape impact shocks.
Without sealing ring at the impeller inlet of double suction Turo pump 100, thus in the absence of abrasion after, because of the impeller 3 of the pump housing 1 and first
Increase with the running clearance of the second impeller 4, caused by pump hydraulic performance decline the problem of.Because double suction Turo pump 100 is without sealing ring,
Therefore after abrasion being not present, because the running clearance of the impeller 3 of the pump housing 1 and first and the second impeller 4 increases, and pump hydraulic performance decline is caused
The problem of.Change of the lift of double suction Turo pump 100 in the effective use range of flow is defeated especially suitable for constant pressure no more than 5%
Send the needs of system.
Compared with Ordinary Centrifugal Pumps, the outstanding advantages of double suction Turo pump 100 be blocking-free performance, preferable impeller wear resistence and
Good cavitation performance, it is a kind of environmentally friendly fluid machinery.The blade of the blade of first impeller 3 and the second impeller 4 back to
Back of the body arrangement, to suck material from both sides.
With the impeller outlet width increase of double suction Turo pump 100, the head curve and power curve of double suction Turo pump 100
It is almost parallel to move up.Within the specific limits, with the increase of impeller outlet width, the pressure point of maximum efficiency of double suction Turo pump 100 to
Move in big flow direction.Therefore in view of the No-mistake Principle performance of double suction Turo pump 100, the front end face and pump of the blade of the first impeller 3
The first transfer passage is formed between the side of body 1, between the front end face of the blade of the second impeller 4 and the side of the pump housing 1 formed with
Second transfer passage of the first transfer passage connection.
Thus can not only ensure the blocking-free performance energy of double suction Turo pump 100, and can ensure the pump housing 1 and pump cover 2 with
First impeller 3 and the second impeller 4 are without running clearance, so as to eliminate the pump housing 1 and pump cover 2 and the first impeller 3 and the phase of the second impeller 4
Mutually the problem of abrasion, ensure 100 long-term constant-pressure operation of double suction Turo pump, performance does not decline.
In view of specific revolution, the pumping chamber of double suction Turo pump 100 selects spiral pressurized water chamber.In other words, can be with the pump housing 1
With spiral pumping chamber.The flow-lift curve rise of double suction Turo pump 100, power curve decline, and efficiency substantially carries
It is high.
Double suction Turo pump 100 can further include axle envelope, and the axle envelope can be located between axle 5 and the bearing.Favorably
Ground, the axle envelope can be Double End bellows mechanical shaft seals.In order to improve the wearability of flow passage components and under the high temperature conditions
The reliability of stress corrosion, axle envelope and its rinse-system, the outer casing of the pump housing 1 wear-resisting in the internal layer shell of structure upper pump casing 1
Pressure-bearing.There can be annular seal space in the pump housing 1, auxiliary seal, example are provided between the first impeller 3 and the second impeller 4 and the annular seal space
Such as throttle-type auxiliary seal.External solvent oil flushing is simultaneously isolated, to improve the condition of work of mechanical seal.The bearing, which all uses, to be added
Strong heavy-load type, material for flow are needed by Wear-resistant Treatment.
The blade of first impeller 3 can be height edge folding blades, and the blade of the second impeller 4 can be height edge folding blades.
Because the inside of double suction Turo pump 100 has obvious whirlpool, therefore double suction Turo pump 100 can use height edge folding blades,
It is possible thereby to efficiently reduce circulating loss, hydraulic efficiency is improved.Impeller with flanging, by the flowing feelings for improving pumping chamber
Condition, hydraulic loss is reduced, improve eddy flow pump lift and efficiency.
The blade of first impeller 3 can have high incidence, and the blade of the second impeller 4 can also have high incidence.For first
The blade of the blade of impeller 3 and the second impeller 4 adds high incidence, can improve double suction Turo pump 100 under the conditions of big flow
Service behaviour.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present utility model.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure, material or
Person's feature can combine in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle and objective of the present utility model, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (10)
- A kind of 1. double suction Turo pump, it is characterised in that including：The pump housing, the pump housing are provided with charging aperture and discharging opening；Pump cover, the pump cover are located on the pump housing；Axle, the axle are rotatably provided on the pump housing by bearing；AndFirst impeller and the second impeller, each in first impeller and second impeller are arranged on the shaft, institute Each stated in the first impeller and second impeller is located in the pump housing, wherein the shape of first impeller with it is described The shape of second impeller is identical, and the size of first impeller is identical with the size of second impeller, first impeller with One radial section of the relatively described axle of the second impeller is symmetrical, first impeller with second impeller is back-to-back sets Put.
- 2. double suction Turo pump according to claim 1, it is characterised in that first impeller connects with second impeller Touch.
- 3. double suction Turo pump according to claim 2, it is characterised in that first impeller and second impeller one Shaping.
- 4. double suction Turo pump according to claim 1, it is characterised in that the front end face of the blade of first impeller and institute State and the first transfer passage formed between the side of the pump housing, the front end face of the blade of second impeller and the side of the pump housing it Between form the second transfer passage for being connected with first transfer passage.
- 5. double suction Turo pump according to claim 1, it is characterised in that the blade of first impeller has high incidence, The blade of second impeller has high incidence.
- 6. double suction Turo pump according to claim 1, it is characterised in that the blade of first impeller is height flanging leaf Piece, the blade of second impeller is height edge folding blades.
- 7. double suction Turo pump according to claim 1, it is characterised in that further comprise axle envelope, the axle envelope is located at institute State between axle and the bearing.
- 8. double suction Turo pump according to claim 7, it is characterised in that the axle envelope is Double End bellows mechanical axis Envelope.
- 9. double suction Turo pump according to claim 1, it is characterised in that there is spiral pumping chamber in the pump housing.
- 10. double suction Turo pump according to claim 1, it is characterised in that there is in the pump housing annular seal space, described first Auxiliary seal is provided between impeller and second impeller and the annular seal space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720564132.6U CN206770269U (en) | 2017-05-19 | 2017-05-19 | Double suction Turo pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720564132.6U CN206770269U (en) | 2017-05-19 | 2017-05-19 | Double suction Turo pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206770269U true CN206770269U (en) | 2017-12-19 |
Family
ID=60640643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720564132.6U Expired - Fee Related CN206770269U (en) | 2017-05-19 | 2017-05-19 | Double suction Turo pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206770269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958535A (en) * | 2017-05-19 | 2017-07-18 | 强胜精密机械(苏州)有限公司 | Double suction Turo pump |
-
2017
- 2017-05-19 CN CN201720564132.6U patent/CN206770269U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958535A (en) * | 2017-05-19 | 2017-07-18 | 强胜精密机械(苏州)有限公司 | Double suction Turo pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |