CN108223462A - A kind of pump for being used to pump impurity - Google Patents
A kind of pump for being used to pump impurity Download PDFInfo
- Publication number
- CN108223462A CN108223462A CN201611139265.5A CN201611139265A CN108223462A CN 108223462 A CN108223462 A CN 108223462A CN 201611139265 A CN201611139265 A CN 201611139265A CN 108223462 A CN108223462 A CN 108223462A
- Authority
- CN
- China
- Prior art keywords
- pump
- impeller
- impurity
- medium
- cover
- 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.)
- Granted
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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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- 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
- F04D29/08—Sealings
- F04D29/086—Sealings 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 invention discloses a kind of for pumping the pump of impurity medium, including the pump housing, pump cover on the pump housing, impeller and pump shaft, the pump housing forms pump chamber with pump cover, pump shaft extend into pump chamber across pump cover and is equipped with impeller, it is characterized in that, annular seal space is equipped between the pump shaft and pump cover, mechanical seal is installed in the annular seal space, the mechanical seal is equipped with power turbine close to the end face of impeller, annular groove is equipped in the through-hole wall of pump cover installation pump shaft, the annular groove is set between impeller and mechanical seal, filter element is equipped in annular groove, one end communication seals chamber is installed on the pump cover, the other end connects the diversion pipe of pump housing admission chamber.The technical purpose of the present invention is to provide a kind of for pumping the pump of impurity medium, and this relatively reliable for the sealing of pump of pumping impurity medium, service life is longer.
Description
Technical field
The present invention relates to fluid delivery system field, more particularly to a kind of pump for being used to pump impurity medium.
Background technology
In landification equipment, the fluid delivery system to the conveying containing impurity medium is needed, such as the water to low-lying place
Conveying, the conveying to sewage.However all had in bad environments applied to the equipment in petroleum equipment, the big place of the temperature difference into
Row reliably working.The sealing that existing impurity pumps pump is easily damaged, and if being replaced after bad seals, pump will stop transporting
Row, and the expensive of mechanical seal is replaced, so that increased production cost.
Invention content
In view of the above problems, technical purpose of the invention is to provide a kind of for pumping the pump of impurity medium,
This relatively reliable for the sealing of pump of pumping impurity medium, service life is longer.
The invention is realized by the following technical scheme：
The pump for being used to pump impurity medium of the present invention, pump cover, impeller and pump shaft including the pump housing, on the pump housing are described
The pump housing forms pump chamber with pump cover, and pump shaft extend into pump chamber across pump cover and is equipped with impeller, which is characterized in that the pump shaft and pump
Annular seal space is equipped between lid, mechanical seal is installed in the annular seal space, the mechanical seal is equipped with dynamic close to the end face of impeller
Power impeller is equipped with annular groove in the through-hole wall of pump cover installation pump shaft, and the annular groove is set between impeller and mechanical seal, ring
Filter element is equipped in shape slot, one end communication seals chamber is installed on the pump cover, the other end connects the water conservancy diversion of pump housing admission chamber
Pipe.
The pump for being used to pump impurity medium of the present invention, described be affixed in filter element close to the end face of impeller are equipped with energy
Enough to remove matter impeller by what the impurity of filter element struck off, the matter impeller that removes is unshrouded impeller.
The pump for being used to pump impurity medium of the present invention, the diversion pipe are equipped with limitation medium and are sealed from pump inlet flow direction
The check valve of chamber.
The present invention for pumping the pump of impurity medium, central symmetry is equipped at least two water conservancy diversion on the impeller hub
Impeller is formed cavity with pump cover and is connected with the inlet of the pump housing by hole, the deflector hole.
The pump for being used to pump impurity medium of the present invention, the annular seal space inner cylinder face are equipped with vortex groove, the vortex
The slot bottom of slot is connected with diversion pipe.
The pump for being used to pump impurity medium of the present invention, the filter element includes filter layer, medium can axially circulate
Support ring and sealing ring, the filter layer be set on support ring on the end face of impeller, set on the inner ring cylindrical surface of support ring
There is at least one seal groove, sealing ring is equipped in the seal groove.
The pump for being used to pump impurity medium of the present invention, the part that the sealing ring is contacted with pump shaft is set as lipped configuration.
The pump for being used to pump impurity medium of the present invention, the filter layer are stainless steel filtering net.
The pump for being used to pump impurity medium of the present invention, the vortex groove are set on the rear of the impeller outlet of power turbine,
The vortex groove is included by power turbine impeller outlet end gradually widened tapered portion and the convolution slot set on tapered portion end.
The beneficial effects of the invention are as follows:
It is equipped with by being equipped with filter element between pump cover and pump shaft, and with filter element cooperation except matter impeller, so as to
Impurity is enough reduced to flow in the annular seal space of mechanical seal, and the rotation by removing matter impeller can be on the surface of filter element
When product has impurity, by removing the effect of matter impeller, impurity is avoided to be deposited on filter element always, and by being set on wheel hub
Deflector hole, by impurity arrange in the entrance of impeller, by the power turbine being set in annular seal space, enable to medium from sealing
Intracavitary flows to the import of the pump housing, and can take away the particle containing impurity, greatly reduces influence of the impurity to mechanical seal, from
And the usage time of mechanical seal is improved, improve the reliability of pump.
Description of the drawings
Fig. 1 is the structure diagram of pump；
Fig. 2 is the structure chart of filter element.
It is marked in figure：1 be mechanical seal, 2 be filter element, 201 be filter layer, 202 be support ring, 203 be sealing ring,
3 be except matter impeller, 4 be power turbine, 5 be deflector hole, 6 be the pump housing, 7 be pump cover, 8 be diversion pipe, 9 be impeller, 10 be pump shaft,
11 be vortex groove, 1101 be tapered portion, 1102 be convolution slot.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
As shown in Figures 1 and 2 for pumping the pump of impurity medium, pump cover 7 including the pump housing 6, on the pump housing 6,
Impeller 9 and pump shaft 10, the pump housing 6 form pump chamber with pump cover 7, and pump shaft extend into pump chamber across pump cover 7 and is equipped with impeller 9,
It is characterized in that, being equipped with annular seal space between the pump shaft 10 and pump cover 7, mechanical seal 1, the machine are installed in the annular seal space
Tool sealing 1 is equipped with power turbine 4 close to the end face of impeller, and the through-hole wall that pump shaft 10 is installed in pump cover 7 is equipped with annular groove, described
Annular groove is set between impeller 9 and mechanical seal 1, and filter element 2 is equipped in annular groove, and one end company is equipped on the pump cover 7
Logical annular seal space, the other end connect the diversion pipe 8 of 6 admission chamber of the pump housing.
Described be affixed in filter element 2 close to the end face of impeller 9 is equipped with and can be removed what the impurity of filter element 2 struck off
Matter impeller 3, it is described except matter impeller 3 is unshrouded impeller.Unshrouded impeller is set as by the way that matter impeller 3 will be removed, wheel rotation generates fluid
The impurity on 2 surface of filter element can be sent out the cavity between pump shaft and pump cover by power, so that media flow is to water conservancy diversion
At hole 5, and the import of impeller is flowed to fluid at deflector hole 5.
The diversion pipe 8 is equipped with limitation medium and the check valve of annular seal space is flowed to from pump inlet, by the check valve being equipped with,
Medium water conservancy diversion can be avoided, the medium containing impurity is avoided to be fed directly in annular seal space, and damages mechanical seal.
Central symmetry is equipped at least two deflector holes 5 on 9 wheel hub of impeller, and the deflector hole 5 is by impeller and pump cover shape
It is connected into cavity with the inlet of the pump housing, centrosymmetric two deflector holes 5, the deflector hole being equipped with can be equipped on impeller hub
The prior art can be avoided to be equipped with hole on the back shroud of impeller and cause fluid uneven, cause the situation of vibrations, this structure
The operation for enabling to impeller 9 is relatively reliable, and advantageously reduces vibrations and noise.
The annular seal space inner cylinder face is equipped with vortex groove 11, and the slot bottom of the vortex groove 11 is connected with diversion pipe 8.Pass through
The vortex groove 11 being equipped with enables to be formed the fluid of revolution by fluid of the power turbine 4 containing impurity, and fluid rotary makes
Impurity is obtained in vortex groove 11, will not be flow at the position of mechanical seal substantially, impurity is by being set on 11 slot bottom of vortex groove
It is flowed out in diversion pipe 8, so as to further avoid damage of the impurity to mechanical seal, protects mechanical seal.
The filter element 2 includes filter layer 201, the support ring 202 that medium can axially circulate and sealing ring 203, institute
Filter layer 201 is stated set on support ring 202 on the end face of impeller 9, the inner ring cylindrical surface of support ring 202 is equipped at least one
Seal groove, the seal groove is interior to be equipped with sealing ring 203.The part that the sealing ring 203 is contacted with pump shaft is set as lipped configuration, lip
Shape structure enables to contact of the sealing ring with pump shaft even closer, reliability higher.The filter layer 201 is filtered for stainless steel
Net.
The vortex groove 11 is set on the rear of the impeller outlet of power turbine 4, and the rotation of power turbine 4 can generate centrifugation
Swirling fluid, the vortex groove 11 includes by the gradual widened tapered portion 1101 and set on cone in 4 impeller outlet end of power turbine
The convolution slot 1102 of 1101 end of shape portion.The whirlpool that can be preferably formed by the tapered portion 1101 being equipped with to power turbine 4
Impurity in shape fluid is collected, and the diversion pipe 8 that the convolution slot 1102 by being equipped with is connected with is discharged, so as to substantially reduce
Impurity is contacted with sealing device, so as to preferably protect mechanical seal.
Claims (9)
1. it is a kind of for pumping the pump of impurity medium, including the pump housing（6）, mounted on the pump housing（6）On pump cover（7）, impeller（9）And
Pump shaft（10）, the pump housing（6）With pump cover（7）Pump chamber is formed, pump shaft passes through pump cover（7）It extend into pump chamber and impeller is installed
（9）, which is characterized in that the pump shaft（10）With pump cover（7）Between be equipped with annular seal space, mechanical seal is installed in the annular seal space
（1）, the mechanical seal（1）Power turbine is equipped with close to the end face of impeller（4）, in pump cover（7）Pump shaft is installed（10）Through-hole
Inner wall is equipped with annular groove, and the annular groove is set on impeller（9）With mechanical seal（1）Between, filter element is equipped in annular groove
（2）, the pump cover（7）On one end communication seals chamber is installed, the other end connection pump housing（6）The diversion pipe of admission chamber（8）.
2. the pump according to claim 1 for being used to pump impurity medium, which is characterized in that described in filter element（2）It leans on
Nearly impeller（9）End face be affixed that be equipped with can be by filter element（2）Impurity strike off except matter impeller（3）, it is described to remove matter leaf
Wheel（3）For unshrouded impeller.
3. the pump according to claim 1 for being used to pump impurity medium, which is characterized in that the diversion pipe（8）It is equipped with
Limitation medium flows to the check valve of annular seal space from pump inlet.
4. the pump according to claim 1 for being used to pump impurity medium, which is characterized in that the impeller（9）In on wheel hub
The heart is arranged at least two deflector holes（5）, the deflector hole（5）The inlet that impeller and pump cover are formed to cavity and the pump housing connects
It is logical.
5. the pump according to claim 1 for being used to pump impurity medium, which is characterized in that on the annular seal space inner cylinder face
Equipped with vortex groove（11）, the vortex groove（11）Slot bottom and diversion pipe（8）Connection.
6. the pump according to claim 1 for being used to pump impurity medium, which is characterized in that the filter element（2）Including
Filter layer（201）, the support ring that can axially circulate of medium（202）And sealing ring（203）, the filter layer（201）Set on branch
Pushing out ring（202）Close to impeller（9）End face on, support ring（202）Inner ring cylindrical surface be equipped at least one seal groove, it is described
Sealing ring is equipped in seal groove（203）.
7. the pump according to claim 6 for being used to pump impurity medium, which is characterized in that the sealing ring（203）With pump
The part of axis contact is set as lipped configuration.
8. the pump according to claim 6 for being used to pump impurity medium, which is characterized in that the filter layer（201）For not
Become rusty steel strainer.
9. the pump according to claim 5 for being used to pump impurity medium, which is characterized in that the vortex groove（11）Set on dynamic
Power impeller（4）Impeller outlet rear, the vortex groove（11）Including by power turbine（4）Impeller outlet end is gradually widened
Tapered portion（1101）And set on tapered portion（1101）The convolution slot of end（1102）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139265.5A CN108223462B (en) | 2016-12-12 | 2016-12-12 | Pump for pumping impurities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139265.5A CN108223462B (en) | 2016-12-12 | 2016-12-12 | Pump for pumping impurities |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108223462A true CN108223462A (en) | 2018-06-29 |
| CN108223462B CN108223462B (en) | 2020-11-10 |
Family
ID=62638099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611139265.5A Active CN108223462B (en) | 2016-12-12 | 2016-12-12 | Pump for pumping impurities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108223462B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2379624Y (en) * | 1999-07-17 | 2000-05-24 | 广东省广宁船用水泵厂 | Ship use vertical centrifugal pump having rotary liquid separator |
| CN1844678A (en) * | 2006-04-05 | 2006-10-11 | 丛铭 | Single-stage horizontal automatic-balancing centrifugal seal pump device |
| CN102022341A (en) * | 2010-06-09 | 2011-04-20 | 马明文 | Mortar magnetic pump |
| CN202381388U (en) * | 2011-12-30 | 2012-08-15 | 浙江卫星石化股份有限公司 | Single-suction centrifugal pump and mechanical seal device for same |
| CN105927576A (en) * | 2016-06-12 | 2016-09-07 | 江苏大学 | Dynamic filtration structure of cooling circulating liquid of sliding bearing of wet motor pump |
| CN105987006A (en) * | 2015-02-04 | 2016-10-05 | 昆山江津长抗干磨磁力泵有限公司 | Corrosion-resisting and anti-dry-grinding magnetic axially split pump |
-
2016
- 2016-12-12 CN CN201611139265.5A patent/CN108223462B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2379624Y (en) * | 1999-07-17 | 2000-05-24 | 广东省广宁船用水泵厂 | Ship use vertical centrifugal pump having rotary liquid separator |
| CN1844678A (en) * | 2006-04-05 | 2006-10-11 | 丛铭 | Single-stage horizontal automatic-balancing centrifugal seal pump device |
| CN102022341A (en) * | 2010-06-09 | 2011-04-20 | 马明文 | Mortar magnetic pump |
| CN202381388U (en) * | 2011-12-30 | 2012-08-15 | 浙江卫星石化股份有限公司 | Single-suction centrifugal pump and mechanical seal device for same |
| CN105987006A (en) * | 2015-02-04 | 2016-10-05 | 昆山江津长抗干磨磁力泵有限公司 | Corrosion-resisting and anti-dry-grinding magnetic axially split pump |
| CN105927576A (en) * | 2016-06-12 | 2016-09-07 | 江苏大学 | Dynamic filtration structure of cooling circulating liquid of sliding bearing of wet motor pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108223462B (en) | 2020-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201021 Address after: 214500 No. 96 Leap Road, Xinqiao Industrial Park, Taizhou, Jiangsu, Jingjiang Applicant after: JIANGSU FEIYUE PUMP GROUP Co.,Ltd. Address before: 618000 northeast corner of intersection of Yinhe road and two ring road, Deyang hi tech Industrial Park, Sichuan, China Applicant before: SICHUAN YUTIAN PETROLEUM MACHINERY EQUIPMENT Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |