CN110454434A - A kind of centrifugal pump multi-stage impeller structure - Google Patents
A kind of centrifugal pump multi-stage impeller structure Download PDFInfo
- Publication number
- CN110454434A CN110454434A CN201910875851.3A CN201910875851A CN110454434A CN 110454434 A CN110454434 A CN 110454434A CN 201910875851 A CN201910875851 A CN 201910875851A CN 110454434 A CN110454434 A CN 110454434A
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- Prior art keywords
- impeller
- flow guiding
- guiding disc
- stage impeller
- stage
- Prior art date
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- 230000008676 import Effects 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 8
- 210000003205 muscle Anatomy 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F04D29/2205—Conventional flow pattern
- F04D29/2216—Shape, geometry
-
- 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
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of centrifugal pump multi-stage impeller structures, including shaft and the multi-stage impeller being connected by shaft, multi-stage impeller rotates under the drive of shaft, the end to end formation overall structure of multi-stage impeller, multi-stage impeller is using the shroud of upper level impeller as the hub disk of next stage impeller, every grade of impeller includes the impeller disk, flow guiding disc, import ring, impeller retaining ring and friction washer, and the import ring is the shroud of every grade of impeller.The present invention uses the end to end formation overall structure of multi-stage impeller, water flow is got rid of the flow guiding disc for entering next stage impeller after the flow guiding disc of upper level impeller by wheel rotation by impeller, to guarantee next stage impeller than increasing charge flow rate while the pressurization of upper level impeller, have the effect of increasing flow and pressure, and every grade of impeller increases impeller retaining ring, so that after upper level impeller sucks water flow, when leading to next stage impeller, too many energy will not be lost, the working efficiency of centrifugal pump is substantially increased.
Description
Technical field
The present invention relates to centrifugation pump technical field more particularly to a kind of centrifugal pump multi-stage impeller structures.
Background technique
Centrifugal pump refers to the centrifugal force by generating when impeller rotation to convey the pump of liquid, and centrifugal pump is rotated using impeller
And make water that centrifugal movement occur and carry out work, water pump is before activation, it is necessary to make in pump case and suction hose full of water, then starting is electric
Machine, makes pump shaft impeller and water do high speed rotary motion, and water occurs centrifugal movement, impeller outer edge is thrown toward, through volute pump case
Runner flow into water pump pressure pipe road.Wherein the deflector in multi-stage impeller centrifugal pump structure is mainly by impeller and flow guiding disc
Composition, pump shaft impeller does high speed rotary motion to impeller centrifugal pump at work, and (gas and liquid, can also be with for flow media
It is the mixture of suspended particulate and gas or liquid) enter from blade root (import), and obtained by high-speed rotating impeller
It obtains centrifugal force and is thrown toward vane edge, then exit into flow guiding disc from pressure relief opening (outlet), the effect of flow guiding disc will be above-mentioned
The flow media of impeller pressure relief opening outflow collects, and is sent to next stage blade root (import) in pump case.But it is existing
The flow guiding disc of technology is collected because of structure design defect in the flow media for flowing out impeller pressure relief opening among the above, and is sent
Toward in pump case next stage blade root (import) this during, water flow is easy to appear circulation in flow guiding disc, and mixed flow etc. is existing
As be easy to causeing hydraulic loss, eventually affecting the working efficiency of multi-stage impeller centrifugal pump.
In order to overcome the shortcomings in the background art with defect, the present invention provides a kind of centrifugal pump multi-stage impeller structure, passes through
After increase impeller retaining ring sucks upper level impeller by water flow on every grade of impeller, when leading to next stage impeller, no
Too many energy can be lost.
Summary of the invention
The object of the present invention is to provide a kind of centrifugal pump multi-stage impeller structures.
The present invention is achieved through the following technical solutions:
A kind of centrifugal pump multi-stage impeller structure, including shaft and the multi-stage impeller being connected by shaft, multi-stage impeller
It is rotated under the drive of shaft, the end to end formation overall structure of multi-stage impeller, multi-stage impeller makees the shroud of upper level impeller
For the hub disk of next stage impeller, every grade of impeller includes the impeller disk, flow guiding disc, import ring, impeller retaining ring and friction washer, described
Import ring is the shroud of every grade of impeller.
Further, multi-stage impeller is to snap connection between any two.
Further, the impeller retaining ring detent for the next stage impeller that multi-stage impeller includes is in the import ring of upper level impeller
Formation snaps connection.
Further, the import ring is the cylinder of a both ends open, is integrally formed in the inner cavity of import ring with several
One end of import ring described in the muscle position plate of impeller blade is formed with boss, and the inner sidewall of the boss is provided with and impeller retaining ring
It is adapted and the protrusion with multiple salient points, impeller retaining ring is embedded into choma and convexes to form fixation by boss inner sidewall.
Further, it is provided with pilot hole compatible with shaft in the middle part of the plate of the muscle position, one end of shaft passes through dress
Distribution is mounted on the plate of muscle position, and the other end of shaft is equipped with the impeller disk, is equipped with water conservancy diversion between the import ring and the impeller disk
Disk and impeller retaining ring.
Further, the flow guiding disc and impeller retaining ring are mounted on import ring and impeller across shaft, the water conservancy diversion
Disk is mounted on the plate of muscle position, and the impeller retaining ring is mounted on flow guiding disc and impeller retaining ring extends to impeller disk position.
Further, there is integrally formed flange, annular setting between the flow guiding disc and flange on the flow guiding disc
There is water conservancy diversion rib, one end of the impeller retaining ring is welded on flow guiding disc, and the other end of impeller retaining ring expands outwardly to form cover
Block the impeller disk.
Further, friction washer, the friction washer and flow guiding disc are installed between the flow guiding disc and impeller retaining ring
Between to snap connection.
Further, the outer rim of the friction washer is formed with multiple convex blocks, the inside of the flange of the flow guiding disc
Wall is provided with multiple card slots compatible with convex block, and the convex block detent on friction washer forms fixation in the card slot of flow guiding disc.
The beneficial effects of the present invention are: the present invention uses the end to end formation overall structure of multi-stage impeller, water flow is by impeller
Enter the flow guiding disc of next stage impeller by wheel rotation after getting rid of the flow guiding disc of upper level impeller, to guarantee next stage impeller
Than increasing charge flow rate while the pressurization of upper level impeller, have the effect of increasing flow and pressure, and every grade of impeller increases
Add impeller retaining ring, so that when leading to next stage impeller, too many energy will not be lost after upper level impeller sucks water flow
Amount, substantially increases the working efficiency of centrifugal pump.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the main view of Fig. 1.
Fig. 3 is the diagrammatic cross-section of A-A on Fig. 2.
Fig. 4 is the partial enlargement diagram in the portion A on Fig. 3.
Fig. 5 is the structural schematic diagram of single-stage impeller of the present invention.
Fig. 6 is the main view of Fig. 5.
Fig. 7 is the diagrammatic cross-section of B-B on Fig. 6.
Fig. 8 is the diagrammatic cross-section of import ring of the present invention.
Fig. 9 is explosive view of the invention.
Figure 10 is a structural schematic diagram of import ring of the present invention.
Figure 11 is a structural schematic diagram of import ring of the present invention.
Figure 12 is the structural schematic diagram of flow guiding disc of the present invention.
Figure 13 is the structural schematic diagram of impeller retaining ring of the present invention.
Figure 14 is the structural schematic diagram of friction washer of the present invention.
Wherein:
1, shaft；
2, first order impeller；
3, second level impeller；
4, third level impeller；
5, fourth stage impeller；
6, the impeller disk；
7, flow guiding disc；
71, flange；
711, card slot；
72, water conservancy diversion rib；
8, import ring；
81, muscle position plate；
811, pilot hole；
82, boss；
821, raised；
9, impeller retaining ring；
91, cover；
10, friction washer；
101, convex block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Examples of the embodiments are shown in the accompanying drawings, and in which the same or similar labels are throughly indicated identical or classes
As element or element with the same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, purport
It is being used to explain the present invention, and is being not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
A kind of centrifugal pump multi-stage impeller structure as shown in figure 1 to figure 13, including shaft 1 and be connected by shaft 1
Multi-stage impeller, multi-stage impeller rotates under the drive of shaft 1, the end to end formation overall structure of multi-stage impeller, multi-stage impeller
Using the shroud of upper level impeller as the hub disk of next stage impeller, wherein the wheel hub of first order impeller is connect with shaft 1, shaft 1
Rotation when drive multi-stage impeller rotation, every grade of impeller includes the impeller disk 6, flow guiding disc 7, import ring 8, impeller retaining ring 9 and rubs
Scrubbing pad circle 10, import ring 8 are the shroud of every grade of impeller.
In the present embodiment, the lift of centrifugal pump multi-stage impeller and the quantity of impeller are directly proportional, and flow is constant, increase impeller
Number can increase lift, in practical operation, need as the case may be and the demand of client be using different number
Multi-stage impeller, but the number of centrifugal pump impeller, which is typically increased to six, up to be increased again, description of the invention and its
Using 4 grades of impellers as one embodiment in Figure of description, but it is not limited thereto system, it is detailed below by way of level Four impeller
Illustrate the contents of the present invention；
As depicted in figs. 1 and 2, multi-stage impeller includes first order impeller 2, second level impeller 3, third level impeller 4 and the 4th
Grade impeller 5, first order impeller 2, second level impeller 3, third level impeller 4 and fourth stage impeller 5 are to snap connection between any two；
More specifically, 9 detent of impeller retaining ring of second level impeller 3 is in the import ring 8 of first order impeller 2, the third level
9 detent of impeller retaining ring of impeller 4 is in the import ring 8 of second level impeller 3, and 9 detent of impeller retaining ring of fourth stage impeller 5 is in third
In the import ring 8 of grade impeller 4, realize that the specific structure of detent is as follows:
As shown in Figure 10 and Figure 11, import ring 8 is the cylinder of a both ends open, is integrally formed tool in the inner cavity of import ring 8
There is the muscle position plate 81 of several impeller blades, one end of import ring 8 is formed with boss 82, and the inner sidewall of boss 82 is provided with and leaf
Wheel retaining ring 9 is adapted and the protrusion 821 with multiple salient points, and impeller retaining ring 9 is embedded into choma 8 through the convex of boss inner sidewall
It plays 821 and forms fixation；
For example, when first order impeller 2 and second level impeller 3 snap connection, by the impeller retaining ring 9 of second level impeller 3
It is embedded into the boss 82 on the import ring 8 of first order impeller 2, since the inner sidewall of boss 82 has multiple salient points, leaf
Wheel retaining ring 9 needs firmly to be embedded into place behind the boss 82 that deepens continuously, and the protrusion 821 on boss 82 is fixed at this time
Impeller retaining ring 9 forms connection；
It is outside to 8 one, import ring of first order impeller 2 when first order impeller 2 and second level impeller 3 need to dismantle
Power, when power is greater than clamping power, the boss 82 of import ring 8 is detached from impeller retaining ring 9 and realizes first order impeller 2 and second level impeller 3
Disassembly.
In the present embodiment, as shown in figure 9, the middle part of muscle position plate 81 is provided with pilot hole 811 compatible with shaft 1,
One end of shaft 1 is mounted on muscle position plate 81 by pilot hole 811, and the other end of shaft 1 is equipped with the impeller disk 6, import ring 8 with
Flow guiding disc 7 and impeller retaining ring 9 are installed between the impeller disk 6；
More specifically, flow guiding disc 7 and impeller retaining ring 9 are mounted on import ring 8 and the impeller disk 6 across shaft 1, water conservancy diversion
Disk 7 is mounted on muscle position plate 81, and impeller retaining ring 9 is mounted on flow guiding disc 7 and impeller retaining ring 9 extends to 6 position of the impeller disk.
In the present embodiment, as shown in figure 12, there is integrally formed flange 71, flow guiding disc 7 and flange 71 on flow guiding disc 7
Between annular be provided with water conservancy diversion rib 72, one end of impeller retaining ring 9 is welded on flow guiding disc 7, and the other end of impeller retaining ring 9 is outside
Expansion forms cover 91 and blocks the impeller disk 6, and the setting of impeller retaining ring 9 can be reduced loses when water flow flows in level Four impeller
Energy, wherein the structure of impeller retaining ring 9 is as shown in figure 13；
In the present embodiment, friction washer 10, friction washer 10 and water conservancy diversion are installed between flow guiding disc 7 and impeller retaining ring 9
It is to snap connection between disk 7；
More specifically, as shown in figure 14, the outer rim of friction washer 10 is formed with multiple convex blocks 101, flow guiding disc 7
The inner sidewall of flange 71 is provided with multiple card slots 711 compatible with convex block 101, and 101 detent of convex block on friction washer 10 exists
It is formed and is fixed in the card slot 711 of flow guiding disc 7, the replacement easy to disassemble by the way of snapping connection of friction washer 10 is convenient and practical.
In the present embodiment, flow guiding disc 7 is mounted on by welding on import ring 8, and impeller retaining ring 9 is also to pass through weldering
The mode connect is mounted on flow guiding disc 7, on the one hand ensure that the intensity of entire blade wheel structure, on the other hand injection molding when compared with
For convenience.
The course of work of the invention is as follows:
The wheel hub of first order impeller 2 is connect with shaft 1, and the shroud of first order impeller 2 is the hub disk of second level impeller 3, the
The shroud of sencond stage impeller 3 is the hub disk of third level impeller 4, and the shroud of third level impeller 4 is the hub disk of fourth stage impeller 5, shaft 1
Impeller disk 6 rotates when rotation, and water flow is got rid of in the flow guiding disc 7 of first order impeller 2 by the impeller disk 6, passes through second level impeller 3
Hub disk, the flow guiding disc 7 of second level impeller 3 is rotated into through the impeller disk 6, and so on, guarantee next stage impeller compare upper level
Impeller increases charge flow rate while pressurization, to increase the effect of flow and pressure, and every grade of impeller increases impeller
Retaining ring 9, so that when leading to next stage impeller, too many energy will not be lost after upper level impeller sucks water flow.
The beneficial effects of the present invention are: the present invention uses the end to end formation overall structure of multi-stage impeller, water flow is by impeller
Enter the flow guiding disc of next stage impeller by wheel rotation after getting rid of the flow guiding disc of upper level impeller, to guarantee next stage impeller
Than increasing charge flow rate while the pressurization of upper level impeller, have the effect of increasing flow and pressure, and every grade of impeller increases
Add impeller retaining ring, so that when leading to next stage impeller, too many energy will not be lost after upper level impeller sucks water flow
Amount, substantially increases the working efficiency of centrifugal pump.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of centrifugal pump multi-stage impeller structure, it is characterised in that: including shaft and the multi-stage impeller being connected by shaft,
Multi-stage impeller rotates under the drive of shaft, the end to end formation overall structure of multi-stage impeller, and multi-stage impeller is by upper level impeller
Hub disk of the shroud as next stage impeller, every grade of impeller includes the impeller disk, flow guiding disc, import ring, impeller retaining ring and friction
Washer, the import ring are the shroud of every grade of impeller.
2. a kind of centrifugal pump multi-stage impeller structure according to claim 1, it is characterised in that: multi-stage impeller is between any two
It snaps connection.
3. a kind of centrifugal pump multi-stage impeller structure according to claim 2, it is characterised in that: multi-stage impeller includes next
The impeller retaining ring detent of grade impeller is formed in the import ring of upper level impeller to be snapped connection.
4. a kind of centrifugal pump multi-stage impeller structure according to claim 3, it is characterised in that: the import ring is a both ends
The cylinder of opening is integrally formed one bodily form of one end of import ring described in the muscle position plate with several impeller blades in the inner cavity of import ring
At there is boss, the inner sidewall of the boss is provided with the protrusion being adapted with impeller retaining ring and with multiple salient points, impeller retaining ring
It is embedded into choma and fixation is convexed to form by boss inner sidewall.
5. a kind of centrifugal pump multi-stage impeller structure according to claim 4, it is characterised in that: set in the middle part of the plate of the muscle position
It is equipped with pilot hole compatible with shaft, one end of shaft is mounted on the plate of muscle position by pilot hole, the other end installation of shaft
There is the impeller disk, flow guiding disc and impeller retaining ring are installed between the import ring and the impeller disk.
6. a kind of centrifugal pump multi-stage impeller structure according to claim 5, it is characterised in that: the flow guiding disc and impeller gear
Circle is mounted on import ring and impeller across shaft, and the flow guiding disc is mounted on the plate of muscle position, and the impeller retaining ring is mounted on
On flow guiding disc and impeller retaining ring extends to impeller disk position.
7. a kind of centrifugal pump multi-stage impeller structure according to claim 6, it is characterised in that: have one on the flow guiding disc
The flange that body is formed, annular is provided with water conservancy diversion rib between the flow guiding disc and flange, and one end of the impeller retaining ring is welded on
On flow guiding disc, the other end of impeller retaining ring, which expands outwardly, to be formed cover and blocks the impeller disk.
8. a kind of centrifugal pump multi-stage impeller structure according to claim 7, it is characterised in that: the flow guiding disc and impeller are kept off
Friction washer is installed between circle, is snapped connection between the friction washer and flow guiding disc.
9. a kind of centrifugal pump multi-stage impeller structure according to claim 8, it is characterised in that: the outer rim of the friction washer
Multiple convex blocks are formed with, the inner sidewall of the flange of the flow guiding disc is provided with multiple card slots compatible with convex block, friction
Convex block detent on washer forms fixation in the card slot of flow guiding disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910875851.3A CN110454434B (en) | 2019-09-17 | 2019-09-17 | Multistage impeller structure of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910875851.3A CN110454434B (en) | 2019-09-17 | 2019-09-17 | Multistage impeller structure of centrifugal pump |
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| Publication Number | Publication Date |
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| CN110454434A true CN110454434A (en) | 2019-11-15 |
| CN110454434B CN110454434B (en) | 2024-06-11 |
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| CN201910875851.3A Active CN110454434B (en) | 2019-09-17 | 2019-09-17 | Multistage impeller structure of centrifugal pump |
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| CN (1) | CN110454434B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081748A (en) * | 2020-08-25 | 2020-12-15 | 冯军 | Magnetic suspension multistage differential shaftless water pump |
| CN115282798A (en) * | 2022-08-16 | 2022-11-04 | 国油伟泰(北京)科技有限公司 | Method and device for improving dissolution rate and generating nanobubbles and OH free radicals |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2323470A1 (en) * | 2000-10-17 | 2002-04-17 | P.T.M. Energy Inc. | Conical stacked-disk impeller for viscous liquids |
| CN102635577A (en) * | 2012-05-15 | 2012-08-15 | 张家港市恩达泵业有限公司 | Multi-stage pump with anti-rotation device |
| CN103573692A (en) * | 2013-11-01 | 2014-02-12 | 江苏大学 | Impeller and guide vane structure of multi-stage self-priming centrifugal pump |
| CN104074804A (en) * | 2014-07-11 | 2014-10-01 | 君禾泵业股份有限公司 | Flow guide disk of multistage impeller centrifugal pump |
| WO2017088713A1 (en) * | 2015-11-23 | 2017-06-01 | 上海连成（集团）有限公司 | Multi-stage pump |
| CN207297380U (en) * | 2017-05-15 | 2018-05-01 | 台州凌霄泵业有限公司 | Centrifugal multistage pump multiple centrifugal pump |
| CN108019376A (en) * | 2017-12-31 | 2018-05-11 | 贾敏敏 | A kind of multi-stage impeller makeup of the imports |
| CN108468645A (en) * | 2018-01-25 | 2018-08-31 | 西安理工大学 | A kind of multistage deep-sea mixing pump having axial force transmission structure |
| CN207813946U (en) * | 2017-12-15 | 2018-09-04 | 上海中航泵业股份有限公司 | A kind of MODEL VERTICAL MULTISTAGE PUMP |
| CN210623186U (en) * | 2019-09-17 | 2020-05-26 | 苏州美达斯机电有限公司 | Multistage impeller structure of centrifugal pump |
-
2019
- 2019-09-17 CN CN201910875851.3A patent/CN110454434B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2323470A1 (en) * | 2000-10-17 | 2002-04-17 | P.T.M. Energy Inc. | Conical stacked-disk impeller for viscous liquids |
| CN102635577A (en) * | 2012-05-15 | 2012-08-15 | 张家港市恩达泵业有限公司 | Multi-stage pump with anti-rotation device |
| CN103573692A (en) * | 2013-11-01 | 2014-02-12 | 江苏大学 | Impeller and guide vane structure of multi-stage self-priming centrifugal pump |
| CN104074804A (en) * | 2014-07-11 | 2014-10-01 | 君禾泵业股份有限公司 | Flow guide disk of multistage impeller centrifugal pump |
| WO2017088713A1 (en) * | 2015-11-23 | 2017-06-01 | 上海连成（集团）有限公司 | Multi-stage pump |
| CN207297380U (en) * | 2017-05-15 | 2018-05-01 | 台州凌霄泵业有限公司 | Centrifugal multistage pump multiple centrifugal pump |
| CN207813946U (en) * | 2017-12-15 | 2018-09-04 | 上海中航泵业股份有限公司 | A kind of MODEL VERTICAL MULTISTAGE PUMP |
| CN108019376A (en) * | 2017-12-31 | 2018-05-11 | 贾敏敏 | A kind of multi-stage impeller makeup of the imports |
| CN108468645A (en) * | 2018-01-25 | 2018-08-31 | 西安理工大学 | A kind of multistage deep-sea mixing pump having axial force transmission structure |
| CN210623186U (en) * | 2019-09-17 | 2020-05-26 | 苏州美达斯机电有限公司 | Multistage impeller structure of centrifugal pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081748A (en) * | 2020-08-25 | 2020-12-15 | 冯军 | Magnetic suspension multistage differential shaftless water pump |
| CN115282798A (en) * | 2022-08-16 | 2022-11-04 | 国油伟泰(北京)科技有限公司 | Method and device for improving dissolution rate and generating nanobubbles and OH free radicals |
| CN115282798B (en) * | 2022-08-16 | 2024-04-26 | 国油伟泰(北京)科技有限公司 | Method and device for improving dissolution rate and generating nano bubbles and OH free radicals |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110454434B (en) | 2024-06-11 |
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