CN110454408A - A kind of canned motor pump with noise reduction function - Google Patents
A kind of canned motor pump with noise reduction function Download PDFInfo
- Publication number
- CN110454408A CN110454408A CN201910882059.0A CN201910882059A CN110454408A CN 110454408 A CN110454408 A CN 110454408A CN 201910882059 A CN201910882059 A CN 201910882059A CN 110454408 A CN110454408 A CN 110454408A
- Authority
- CN
- China
- Prior art keywords
- interlayer
- canned motor
- rotor
- impeller
- motor pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011229 interlayer Substances 0.000 claims abstract description 58
- 239000000872 buffer Substances 0.000 claims abstract description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 11
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 230000007812 deficiency Effects 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/181—Axial flow rotors
-
- 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
- F04D29/185—Rotors consisting of a plurality of wheels
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/528—Casings; Connections of working fluid for axial pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of canned motor pump with noise reduction function, canned motor pump ontology including shielding pump case, pedestal and rotor composition, the periphery of the rotor is set with the interlayer positioned at canned motor pump housing cavity wall, and buffer gap is equipped between interlayer and the opposite face for shielding pump case, the impeller one positioned at interlayer inner cavity is installed on the rotor.The present invention overcomes the deficiencies in the prior art, design is reasonable, it is compact-sized, when shielding pump work, make to form buffer gap between interlayer and shielding pump case by the way that interlayer is arranged, it can be during the working rotor pumped medium in canned motor pump, buffering is synchronized to the axial force that rotor is subject to, the effective noise cut down during pumped medium, during being pumped to medium, the impact force that the axial force and shell be subject to rotor is subject to synchronizes buffering, while effectively being cut down the noise generated during pumped medium.
Description
Technical field
The present invention relates to pump class engineering device technique fields, and in particular to a kind of canned motor pump with noise reduction function.
Background technique
Canned motor pump is a kind of unprssurized pump, and pump and driving motor are all sealed in the pressure that a pumped medium is full of and hold
In device, this pressure vessel only has static seal, and provides rotating excitation field by an electric wire group and drive rotor, and this structure is cancelled
The sealing device for rotary shaft that conventional centrifugal pump has, therefore can accomplish complete No leakage.
During canned motor pump pumps medium, the pumping force that pumping procedure generates impacts shell, is immersed in medium
In the run at high speed axial force of generation of rotor pull rotor shifting, while causing extreme shock power to shell, noise is dirty
Dye is serious, for this purpose, the invention proposes a kind of canned motor pumps with noise reduction function.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of canned motor pump with noise reduction function, existing skill is overcome
The deficiency of art, design is rationally, compact-sized, during being pumped to medium, the axial force and shells that be subject to rotor
The impact force being subject to synchronizes buffering, while effectively being cut down the noise generated during pumped medium.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of canned motor pump with noise reduction function, the canned motor pump ontology including shielding pump case, pedestal and rotor composition, institute
The periphery for stating rotor is set with the interlayer positioned at canned motor pump housing cavity wall, and sets between interlayer and the opposite face for shielding pump case
There is buffer gap, the impeller one positioned at interlayer inner cavity is installed on the rotor.
Preferably, elastically deformable is connected between the interlayer and the opposite face for shielding pump case.
Preferably, the outside of the rotor is equipped with the impeller two positioned at interlayer inner cavity, the outside of the impeller two with every
The internal chamber wall of layer is in contact.
Preferably, the water conservancy diversion through slot penetrated through inside and outside it is offered on the impeller two.
Preferably, the water conservancy diversion through slot is horn shape through-hole, and three corners are no less than on water conservancy diversion through slot.
Preferably, the contact site of the impeller one, impeller two and interlayer internal chamber wall is round and smooth shape, and impeller one and leaf
The section of wheel two is spiral arcuation.
Preferably, the both ends of the interlayer are detachably connected with the internal chamber wall at shielding pump case both ends respectively, when interlayer is sent out
When giving birth to deformation and squeezing, buffer layer is formed between the internal chamber wall of shielding pump case between the both ends of interlayer.
(3) beneficial effect
The embodiment of the invention provides a kind of canned motor pumps with noise reduction function.Have it is following the utility model has the advantages that
1, make to form buffer gap between interlayer and shielding pump case by the way that interlayer is arranged, the axial force that rotor is subject into
Row sync buffering, the effective noise cut down during pumped medium.
2, it is designed by the contact between impeller one, impeller two and interlayer, the medium on interlayer internal chamber wall is carried out without dead
The pumping at angle further cuts down the noise during pumped medium while buffering to pumping force.
3, by the way that water conservancy diversion through slot is arranged on the impeller of rotor exterior, the flowing of medium pumping procedure can be further increased
Property, improve pumping efficiency.
4, by the buffer gap between shielding pump case and interlayer, to the impact between interlayer and shielding pump case opposite face
Power is effectively buffered, while making to form buffer gas flow layer between interlayer and shielding pump case, is further passed through to medium pump
The noise generated in journey is cut down.
5, the motion process pumped using medium makes to form buffer layer between shielding pump case and interlayer, to pumping procedure
The pumping impact force of middle generation is effectively buffered, is adequately cut down the noise generated in pumping procedure.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the left view schematic diagram of canned motor pump in structure of the invention；
Fig. 2 is the right side view of canned motor pump in structure of the invention；
Fig. 3 is the structural schematic diagram of impeller one in structure of the invention；
Fig. 4 is that structural schematic diagram is cutd open in the side of shielding pump case in structure of the invention Fig. 3；
Fig. 5 is the structural schematic diagram of impeller two in structure of the invention；
Fig. 6 is that structural schematic diagram is cutd open in the side of shielding pump case in structure of the invention Fig. 5.
In figure: 1 shielding pump case, 2 pedestals, 3 rotors, 4 interlayers, 51 impellers one, 52 impellers two, 521 water conservancy diversion through slots.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Referring to attached drawing 1-4, a kind of canned motor pump with noise reduction function, including shielding pump case 1, pedestal 2 and rotor 3 are formed
Canned motor pump ontology, the periphery of the rotor 3 be set be located at shielding 1 internal chamber wall of pump case interlayer 4, and interlayer 4 and shielding
It is equipped with buffer gap between the opposite face of pump case 1, the impeller 1 positioned at 4 inner cavity of interlayer, interlayer are installed on the rotor 3
It is connected with the 41 of elastically deformable between 4 and the opposite face of shielding pump case 1, during pumped medium, medium is to interlayer 4
Collided, make interlayer 4 and shield pump case 1 internal chamber wall between generate extruding force, synchronized to 41 press while
Make to generate buffer layer between interlayer 4 and the opposite face for shielding pump case 1, the power generated during to pumped medium buffers
While, the noise generated during pumped medium can effectively be cut down.
Referring to attached drawing 1-6, the outside of rotor 3 is equipped with the impeller 2 52 positioned at 4 inner cavity of interlayer, the impeller 2 52 it is outer
Side is in contact with the internal chamber wall of interlayer 4, and the contact site of 4 internal chamber wall of impeller 1, impeller 2 52 and interlayer is round and smooth shape, and
The section of impeller 1 and impeller 2 52 is spiral arcuation, 2 52 pairs of impeller 1, impeller media when rotor 3 works
It is pumped, by making the lateral surface of impeller 1, impeller 2 52 be in contact with the internal chamber wall of interlayer 4, in medium pumping procedure
In the pumping without dead angle can be carried out to the medium of 4 inner cavity of interlayer, while 2 52 pairs of impeller 1, impeller interlayers 4 generate impact forces,
Make to generate extruding force between interlayer 4 and the internal chamber wall for shielding pump case 1, promotes to make interlayer while synchronizing and pressing to 41
4 and shield pump case 1 opposite face between buffer layer generation, the power generated during to pumped medium buffered same
When, further the noise generated during pumped medium is cut down.
Referring to attached drawing 5-6, the water conservancy diversion through slot 521 penetrated through inside and outside it is offered on impeller 2 52, water conservancy diversion through slot 521 is horn shape
Through-hole, and three corners are no less than on water conservancy diversion through slot 521, during medium pumping, medium can pass through water conservancy diversion through slot 521 and pump
It send, in accelerating medium pumping procedure while mobility, promotes the pumping procedure of medium, further improve medium pumping
High efficiency.
Referring to attached drawing 1-6, the both ends of interlayer 4 are detachably connected with the internal chamber wall at shielding 1 both ends of pump case respectively, work as interlayer
4 deformation occurs and when squeezing 41, forms buffer layer between the internal chamber wall of shielding pump case 1 between the both ends of interlayer 4, passes through screen
The setting of pump case 1,4 relative position of interlayer is covered, guarantees to be formed between interlayer 4 and shielding pump case 1 in medium pumping procedure
Buffer layer to the impact force of pumping, cause to be buffered and be cut down, to further ensure to the validity and reality of device
The property used.
As shown in figs 1 to 6, a kind of canned motor pump working principle with noise reduction function is as follows:
During the device pumped medium: 3 impeller 1 of rotor of work, 2 52 synchronous operation of impeller are right
Medium in interlayer 4 is pumped, and impact force, impeller 1 and the impeller 2 52 that medium generates interlayer 4 are in operation
The axial force generated to interlayer 4 promotes the passive deformation of interlayer 4, and the passive stress of interlayer 4 is pressed to 41, makes interlayer 4 and shielding
Buffer layer is generated between the opposite face of pump case 1, the axial force generated in pump case 1, punching are shielded during to pumped medium
While hitting power and buffered, the noise of generation is effectively cut down；
Further, during the running of 3 impeller 2 52 of rotor pumps medium, medium is logical across water conservancy diversion
Slot 521, while reducing the pumping resistance that impeller 2 52 is subject to, water conservancy diversion through slot 521 also increases the mobility by medium.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of canned motor pump with noise reduction function, the canned motor pump including shielding pump case (1), pedestal (2) and rotor (3) composition
Ontology, it is characterised in that: the periphery of the rotor (3) is set with positioned at the interlayer (4) for shielding pump case (1) internal chamber wall, and every
It is equipped with buffer gap between layer (4) and the opposite face for shielding pump case (1), is equipped on the rotor (3) in interlayer (4)
The impeller one (51) of chamber.
2. a kind of canned motor pump with noise reduction function as described in claim 1, it is characterised in that: the interlayer (4) and shielding
(41) of elastically deformable are connected between the opposite face of pump case (1).
3. a kind of canned motor pump with noise reduction function as described in claim 1, it is characterised in that: the outside of the rotor (3)
Impeller two (52) positioned at interlayer (4) inner cavity is installed, the outside of the impeller two (52) connects with the internal chamber wall of interlayer (4)
Touching.
4. a kind of canned motor pump with noise reduction function as claimed in claim 3, it is characterised in that: opened on the impeller two (52)
Equipped with the water conservancy diversion through slot (521) penetrated through inside and outside it.
5. a kind of canned motor pump with noise reduction function as claimed in claim 4, it is characterised in that: the water conservancy diversion through slot (521)
For horn shape through-hole, and three corners are no less than on water conservancy diversion through slot (521).
6. a kind of canned motor pump with noise reduction function as claimed in claim 3, it is characterised in that: the impeller one (51), leaf
The contact site for taking turns two (52) and interlayer (4) internal chamber wall is round and smooth shape, and the section of impeller one (51) and impeller two (52) is equal
For spiral arcuation.
7. a kind of canned motor pump with noise reduction function as described in claim 1, it is characterised in that: the both ends of the interlayer (4)
Detachably it is connected with the internal chamber wall at shielding pump case (1) both ends respectively, when deformation occurs and when squeezing (41) for interlayer (4), interlayer
(4) buffer layer is formed between the internal chamber wall of shielding pump case (1) between both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910882059.0A CN110454408A (en) | 2019-09-18 | 2019-09-18 | A kind of canned motor pump with noise reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910882059.0A CN110454408A (en) | 2019-09-18 | 2019-09-18 | A kind of canned motor pump with noise reduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110454408A true CN110454408A (en) | 2019-11-15 |
Family
ID=68492318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910882059.0A Pending CN110454408A (en) | 2019-09-18 | 2019-09-18 | A kind of canned motor pump with noise reduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110454408A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183405A (en) * | 2021-11-24 | 2022-03-15 | 江苏大学 | Inlet silencer of axial flow pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2386766A2 (en) * | 2010-05-11 | 2011-11-16 | Sulzer Pumpen AG | Helico-axial pump, rotor for same, method for hydrodynamic bearing of a rotor of a helicon-axial pump and a hybrid pump with a rotor for a helico-axial pump |
| CN203655730U (en) * | 2014-01-09 | 2014-06-18 | 温岭市富莱欧机电有限公司 | Low-noise injection pump |
| CN104632696A (en) * | 2015-01-19 | 2015-05-20 | 安徽舜禹水务实业有限公司 | Efficient energy-saving water pump blade |
| CN105927596A (en) * | 2016-07-12 | 2016-09-07 | 合肥新沪屏蔽泵有限公司 | Noise reduction shielding pump |
| CN207333214U (en) * | 2017-09-13 | 2018-05-08 | 北京京海人机电泵控制设备有限公司 | Low noise shields water pump |
| CN207989334U (en) * | 2018-03-22 | 2018-10-19 | 郑兆熊 | A kind of low noise jet pump |
| CN210859250U (en) * | 2019-09-18 | 2020-06-26 | 安徽奥利威泵阀机械有限公司 | Canned motor pump with noise reduction function |
| CN212177530U (en) * | 2020-05-12 | 2020-12-18 | 浙江浪奇泵业有限公司 | Axial force multistage shield pump |
-
2019
- 2019-09-18 CN CN201910882059.0A patent/CN110454408A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2386766A2 (en) * | 2010-05-11 | 2011-11-16 | Sulzer Pumpen AG | Helico-axial pump, rotor for same, method for hydrodynamic bearing of a rotor of a helicon-axial pump and a hybrid pump with a rotor for a helico-axial pump |
| CN203655730U (en) * | 2014-01-09 | 2014-06-18 | 温岭市富莱欧机电有限公司 | Low-noise injection pump |
| CN104632696A (en) * | 2015-01-19 | 2015-05-20 | 安徽舜禹水务实业有限公司 | Efficient energy-saving water pump blade |
| CN105927596A (en) * | 2016-07-12 | 2016-09-07 | 合肥新沪屏蔽泵有限公司 | Noise reduction shielding pump |
| CN207333214U (en) * | 2017-09-13 | 2018-05-08 | 北京京海人机电泵控制设备有限公司 | Low noise shields water pump |
| CN207989334U (en) * | 2018-03-22 | 2018-10-19 | 郑兆熊 | A kind of low noise jet pump |
| CN210859250U (en) * | 2019-09-18 | 2020-06-26 | 安徽奥利威泵阀机械有限公司 | Canned motor pump with noise reduction function |
| CN212177530U (en) * | 2020-05-12 | 2020-12-18 | 浙江浪奇泵业有限公司 | Axial force multistage shield pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183405A (en) * | 2021-11-24 | 2022-03-15 | 江苏大学 | Inlet silencer of axial flow pump |
| WO2023093507A1 (en) * | 2021-11-24 | 2023-06-01 | 江苏大学 | Inlet silencer of axial-flow pump |
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