CN107288919A - Corrosion-resistant single-stage list pump chamber water ring vacuum pump - Google Patents
Corrosion-resistant single-stage list pump chamber water ring vacuum pump Download PDFInfo
- Publication number
- CN107288919A CN107288919A CN201710453654.3A CN201710453654A CN107288919A CN 107288919 A CN107288919 A CN 107288919A CN 201710453654 A CN201710453654 A CN 201710453654A CN 107288919 A CN107288919 A CN 107288919A
- Authority
- CN
- China
- Prior art keywords
- axle sleeve
- pump
- corrosion
- pump chamber
- rotating shaft
- 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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid 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
- F04D29/044—Arrangements for joining or assembling 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
- F04D29/083—Sealings especially adapted for elastic fluid 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/289—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps having provision against erosion or for dust-separation
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to Water-ring vacuum pump technical field, more particularly to a kind of corrosion-resistant single-stage list pump chamber water ring vacuum pump, storage tank is provided with the wheel hub of impeller, gland is provided with storage tank, threaded connector is provided between gland and the end of rotating shaft；Axle sleeve is provided with rotating shaft, its first end is arranged in pump chamber, the second end is arranged on outside pump chamber, the first sealing gasket is provided between the first end of axle sleeve and the wheel hub of impeller, clamp nut is provided with the second end of axle sleeve；The mechanical seal for being enclosed on axle sleeve and being connected with the pump housing is externally provided with pump chamber；The pump housing, pump cover be made up of anti-corrosion material or on its medial surface serve as a contrast the preserving timber bed of material, disk, impeller and axle sleeve be made up of anti-corrosion material or on the outside of disk, impeller, axle sleeve wrap up the preserving timber bed of material.The problem of solving rotating shaft, mechanical seal anticorrosion effect difference and high production cost, can strengthen corrosion resistance reduction production cost, be easy to safeguard mechanical seal, maintain.
Description
Technical field
The invention belongs to Water-ring vacuum pump technical field, more particularly to a kind of corrosion-resistant single-stage list pump chamber water ring vacuum pump.
Background technology
Often aspirate some corrosive gas with water ring vacuum pump in fields such as chemical industry, pharmacy, serious curtailment water
The life-span of ring vacuum pump, the corrosion resistance to water ring vacuum pump requires higher.At present, the big portion of the rotating shaft of water ring vacuum pump
Divide, mechanical seal is all provided in the pump housing, rotating shaft, mechanical seal and corrosive gas or working media are direct during work
Contact, on the one hand the corrosion resistance requirement to mechanical seal, rotating shaft is higher, causes production cost to increase, on the other hand to machinery
Sealing is overhauled and needs to disassemble water ring vacuum pump when being changed, and is wasted time and energy, and influences production efficiency.
The content of the invention
It is an object of the invention to provide a kind of corrosion-resistant single-stage list pump chamber water ring vacuum pump, it is intended to solves existing single-stage list
The rotating shaft of pump chamber water ring vacuum pump, mechanical seal anticorrosion effect difference cause the problem of production cost is high, can strengthen list comprehensively
The corrosion resistance reduction production cost of the single pump chamber water ring vacuum pump of level, and be easy to carry out maintenance to mechanical seal.
The present invention is achieved in that a kind of corrosion-resistant single-stage list pump chamber water ring vacuum pump, including the pump linked together
Body and pump cover, it is arranged on the pump housing and the pump cover surrounds disk in pump chamber, impeller and through pump housing insertion
Rotating shaft in pump chamber, the impeller is arranged in the rotating shaft；Set in the wheel hub of the impeller on one end of the disk
There is storage tank, gland is provided with the storage tank, threaded connector is provided between the end of the gland and the rotating shaft；
Axle sleeve is provided with the rotating shaft, the first end of the axle sleeve is arranged in pump chamber, and the second end of the axle sleeve is arranged on pump chamber
Outside, the first sealing gasket being set in the rotating shaft is provided between the first end of the axle sleeve and the wheel hub of the impeller,
Provided with the clamp nut being connected with the shaft thread at second end of the axle sleeve；It is externally provided with the pump chamber and is enclosed on the axle
The mechanical seal for putting and being connected with the pump housing；The pump housing, the pump cover be made up of anti-corrosion material or described
The preserving timber bed of material is served as a contrast on the pump housing, the medial surface of the pump cover, the disk, the impeller and the axle sleeve are by anti-corrosion material system
Into or the disk, the impeller, the axle sleeve outside wrap up the preserving timber bed of material.
As an improvement, the mechanical seal is single mechanical end face seal, and the stationary ring of the mechanical seal is set in institute
State on axle sleeve and be fixedly connected with the pump housing, the spring socket sleeve of the mechanical seal is located on the axle sleeve and the company of being secured to
Connect, the rotating ring of the mechanical seal is set on the axle sleeve and is arranged between the stationary ring and the spring base.
As an improvement, the mechanical seal is double mechanical seal, in the outside of the double mechanical seal
Provided with the seal box being tightly connected with the pump housing, water inlet and delivery port are provided with the seal box；The Double End machine
The stationary ring of tool sealing side is set on the axle sleeve and is connected with the pump housing, the stationary ring of opposite side is set on the axle sleeve
And be fixedly connected with the seal box, spring base is set between two stationary rings and is fixedly connected with the axle sleeve, rotating ring is set respectively
Between spring base and the stationary ring of respective side.
As an improvement, box body of the seal box including both ends open, the box being fastened on the box body Single port
Lid, the box body is set on the axle sleeve, and the box body another port is tightly connected with the pump housing, is set on the lid
There is the through hole passed through for the axle sleeve；The stationary ring being fixedly connected with the seal box be arranged on the through hole and the axle sleeve it
Between.
As an improvement, the threaded connector is screw rod, and one end of the screw rod is fixedly connected with the gland；
The end of the rotating shaft is provided with screwed hole, and the other end of the screw rod is connected with the screwed hole.
As an improvement, the gland is integral type structure with the screw rod, and the gland is made up of anti-corrosion material.
As an improvement, the second sealing gasket is provided between the gland and the storage tank.
As an improvement, the corrosion-resistant single-stage list pump chamber water ring vacuum pump also includes motor, in the motor and institute
State and support is provided between the pump housing, shaft coupling is provided between the output end and the roller end of the motor, in the support
Bearing is connected between the rotating shaft.
As an improvement, the clamp nut is provided with two.
As an improvement, wrap up the preserving timber bed of material in the outside of the rotating shaft.
By adopting the above-described technical solution, the corrosion-resistant single-stage list pump chamber water ring vacuum pump of the present invention includes being connected to one
The pump housing and pump cover that rise, it is arranged on the pump housing and pump cover surrounds disk in pump chamber, impeller and inserted through the pump housing in pump chamber
Rotating shaft, impeller be arranged on the rotating shaft on；Storage tank is provided with one end of disk in the wheel hub of impeller, in storage tank
Provided with gland, threaded connector is provided between gland and the end of rotating shaft；Axle sleeve is provided with rotating shaft, the first end of axle sleeve is set
Put in pump chamber, the second end is arranged on outside pump chamber, be provided with and be set in rotating shaft between the first end of axle sleeve and the wheel hub of impeller
The first sealing gasket, provided with the clamp nut that is connected with shaft thread at the second end of axle sleeve；It is externally provided with pump chamber and is enclosed on axle
The mechanical seal for putting and being connected with the pump housing；The pump housing, pump cover be made up of anti-corrosion material or in the pump housing, the medial surface of pump cover
The upper lining preserving timber bed of material, disk, impeller and axle sleeve are made up of anti-corrosion material or wrapped in the outside of disk, impeller, axle sleeve
Wrap up in the preserving timber bed of material.Due to rotating shaft be located at pump chamber in an end portion provided with gland, in rotating shaft provided with axle sleeve, axle sleeve with
Clamp nut is set provided with the first sealing gasket, at the second end of axle sleeve between the wheel hub of impeller, by the shaft in pump chamber
It is point gas-insulated with working media and suction, it can prevent rotating shaft from corroding；Mechanical seal is arranged on outside pump chamber, mechanical seal
Only section components are contacted with working media, and the corrosion resistance to mechanical seal requires to reduce, so that production cost is reduced, machinery
It is sealingly disposed on the outside of the pump housing and is easy to carry out maintenance to mechanical seal；The corrosion-resistant single-stage list pump chamber of the embodiment of the present invention
Water ring vacuum pump solves the rotating shaft of existing single-stage list pump chamber water ring vacuum pump, mechanical seal anticorrosion effect difference and causes to be produced into
The problem of this is high, can strengthen the corrosion resistance reduction production cost of single-stage list pump chamber water ring vacuum pump comprehensively, and be easy to pair
Mechanical seal carries out maintenance.
Brief description of the drawings
Fig. 1 is the structural representation of the corrosion-resistant single-stage list pump chamber water ring vacuum pump of first embodiment of the invention；
Fig. 2 is the structural representation of the corrosion-resistant single-stage list pump chamber water ring vacuum pump of second embodiment of the invention；
Wherein, 11, the pump housing, 12, pump cover, 13, disk, 14, impeller, 141, storage tank, 15, rotating shaft, 16, gland, 17, axle sleeve,
18th, the first sealing gasket, 19, single mechanical end face seal, 20, clamp nut, 21, motor, 22, support, 23, shaft coupling, 24, both-end
Face mechanical seal, 25, seal box.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
First embodiment
As shown in Figure 1, the corrosion-resistant single-stage list pump chamber water ring vacuum pump pump housing 11 integral including being connected to and pump cover 12, setting
Disk 13, impeller 14 and the rotating shaft 15 inserted through the pump housing 11 in pump chamber in pump chamber are surrounded in the pump housing 11 and pump cover 12,
Impeller 14 is arranged in rotating shaft 15；Storage tank 141 is provided with one end of disk 13 in the wheel hub of impeller 14, in storage tank
Gland 16 is provided with 141, threaded connector is provided between the end of gland 16 and rotating shaft 15；Axle sleeve is provided with rotating shaft 15
17, the first end of the axle sleeve 17 is arranged in pump chamber, is provided with and is set between the first end of axle sleeve 17 and the wheel hub of impeller 14
The first sealing gasket 18 in rotating shaft 15, the second end of the axle sleeve 17 is arranged on outside pump chamber, at the second end of axle sleeve 17 be provided with
The clamp nut 20 that rotating shaft 15 is threadedly coupled, in the present embodiment, in order to prevent that clamp nut 20 unclamps in rotation process, will press
Tight nut 20 is set to two；The mechanical seal for being enclosed on axle sleeve 17 and being connected with the pump housing 11 is externally provided with pump chamber；The pump housing 11, pump
Lid 12 be made up of anti-corrosion material or on the pump housing 11, the medial surface of pump cover 12 serve as a contrast the preserving timber bed of material, disk 13, impeller 14
It is made up of anti-corrosion material or wraps up the preserving timber bed of material in the outside of disk 13, impeller 14 and axle sleeve 17.
Because an end portion being located in rotating shaft 15 in pump chamber is provided with gland 16, in rotating shaft 15 provided with axle sleeve 17, in axle
Between the first end of set 17 and the wheel hub of impeller 14 clamp nut is set provided with the first sealing gasket 18, at the second end of axle sleeve 17
20, by the gas-insulated of the spindle portion in pump chamber and working media and suction, it can prevent rotating shaft from corroding；Machinery is close
Envelope is arranged on outside pump chamber, and mechanical seal only has section components to be contacted with working media, and the corrosion resistance to mechanical seal requires to drop
Low, so as to reduce production cost, mechanical seal, which is arranged on the outside of the pump housing, to be easy to carry out maintenance to mechanical seal；The present invention
The corrosion-resistant single-stage list pump chamber water ring vacuum pump of embodiment solve existing single-stage list pump chamber water ring vacuum pump rotating shaft, machinery it is close
Envelope anticorrosion effect difference causes the problem of production cost is high, can strengthen the corrosion resistance of single-stage list pump chamber water ring vacuum pump comprehensively
Production cost is reduced, and is easy to carry out maintenance to mechanical seal.
In the present embodiment, mechanical seal is single mechanical end face seal 19, and the mechanical seal includes being set on axle sleeve 17
And be fixedly connected with the pump housing 11 stationary ring, be set on axle sleeve 17 and be secured to the spring base being connected, be set on axle sleeve 17
And the rotating ring between stationary ring and spring base is arranged on, spring is provided between spring base and rotating ring.
In the present embodiment, corrosion-resistant single-stage list pump chamber water ring vacuum pump also includes motor 21, in motor 21 and the pump housing 11
Between be provided with support 22, between the output end of motor 21 and the end of rotating shaft 15 be provided with shaft coupling 23, in support 22 and rotating shaft 15
Between be connected with bearing.
In the present embodiment, threaded connector is screw rod, one end and the gland 16 of screw rod；Spiral shell is provided with the end of rotating shaft 15
Pit, the other end of screw rod is connected with screwed hole.Specifically, gland 16 and screw rod can be welding, or integral type
Structure, in order to further enhance sealing effectiveness, is provided with the second sealing gasket between gland 16 and storage tank 141.
In the present embodiment, the pump housing 11, pump cover 12 are typically by phenolaldehyde moulding compound, polyphenylene sulfide fibre reinforced plastics, benzene
What the anti-corrosion materials such as ether fibre reinforced plastics were made, naturally it is also possible to carried out in the medial surface Fluorine-lined plastics of the pump housing 11, pump cover 12
Anti-corrosion；Disk 13, impeller 14 and axle sleeve 17 are typically by phenolaldehyde moulding compound, polyphenylene sulfide fibre reinforced plastics, polyphenylether fibre
It is that the anti-corrosion materials such as reinforced plastics, fluoroplastics are made or disk 13, impeller 14, the outside of axle sleeve 17 parcel phenolaldehyde moulding compound,
The materials such as polyphenylene sulfide fibre reinforced plastics, polyphenylether fibre reinforced plastics, fluoroplastics.
In the present embodiment, prevent rotating shaft 15 from corroding to further strengthen corrosion resistance, wrapped in the outside of rotating shaft 15
Wrap up in the preserving timber bed of material.
Second embodiment
As shown in Figure 2, the present embodiment and first embodiment are essentially identical, and its difference is：
Mechanical seal is double mechanical seal 24, is provided with what is be tightly connected with the pump housing 11 in the outside of double mechanical seal 24
Seal box 25, is provided with water inlet and delivery port on seal box 25；The stationary ring of the side of double mechanical seal 24 is set in axle
It is fixedly connected on set 17 and with the pump housing 11, the stationary ring of opposite side is set on axle sleeve 17 and is fixedly connected with seal box 25, spring
It is fixedly connected between seat two stationary rings of setting and with axle sleeve 17, rotating ring is separately positioned on spring base between the stationary ring of respective side,
Spring is respectively equipped between spring base and the rotating ring of respective side.
Cooling water is flowed into by water inlet, is flowed out by delivery port, and double mechanical seal 24 can be cooled down；Double End
The side of mechanical seal 24 can prevent working media from leaking, opposite side can to the pump housing 11 with being sealed at axle sleeve 17
, with being sealed at axle sleeve 17, to prevent cooling water leakage to seal box 25.
In the present embodiment, box body of the seal box 25 including both ends open, the lid being fastened on box body Single port, the box
Body is set on axle sleeve 17, and the box body another port is tightly connected with the pump housing 11, is provided with lid for leading to that axle sleeve 17 is passed through
Hole；The stationary ring being fixedly connected with seal box 25 is arranged between through hole and axle sleeve 17.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. corrosion-resistant single-stage list pump chamber water ring vacuum pump, including link together the pump housing and pump cover, be arranged on the pump housing and
The pump cover surrounds disk, impeller and the rotating shaft inserted through the pump housing in pump chamber in pump chamber, and the impeller is installed
In the rotating shaft；Characterized in that, the wheel hub in the impeller is provided with storage tank on one end of the disk, described
Gland is provided with storage tank, threaded connector is provided between the end of the gland and the rotating shaft；Set in the rotating shaft
There is axle sleeve, the first end of the axle sleeve is arranged in pump chamber, the second end of the axle sleeve is arranged on outside pump chamber, in the axle sleeve
Provided with the first sealing gasket being set in the rotating shaft between the wheel hub of first end and the impeller, at the second end of the axle sleeve
Place is provided with the clamp nut being connected with the shaft thread；The pump chamber be externally provided be enclosed on the axle sleeve and with the pump housing
The mechanical seal of connection；The pump housing, the pump cover be made up of anti-corrosion material or in the pump housing, the pump cover
On side serve as a contrast the preserving timber bed of material, the disk, the impeller and the axle sleeve be made up of anti-corrosion material or in the circle
Disk, the impeller, the axle sleeve outside parcel preserving timber bed of material.
2. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 1, it is characterised in that the mechanical seal is
Single mechanical end face seal, the stationary ring of the mechanical seal is set on the axle sleeve and is fixedly connected with the pump housing, the machine
The sealed spring socket sleeve of tool, which is located on the axle sleeve and is secured to connection, the rotating ring of the mechanical seal, is set in the axle sleeve
Go up and be arranged between the stationary ring and the spring base.
3. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 1, it is characterised in that the mechanical seal is
Double mechanical seal, the seal box being tightly connected with the pump housing is provided with the outside of the double mechanical seal, in institute
Seal box is stated provided with water inlet and delivery port；The stationary ring of the double mechanical seal side be set on the axle sleeve and with
The pump housing connection, the stationary ring of opposite side are set on the axle sleeve and are fixedly connected with the seal box, spring base sets two
It is fixedly connected between stationary ring and with the axle sleeve, rotating ring is separately positioned on spring base between the stationary ring of respective side.
4. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 3, it is characterised in that the seal box includes
The box body of both ends open, the lid being fastened on the box body Single port, the box body are set on the axle sleeve, the box body
Another port is tightly connected with the pump housing, and the through hole passed through for the axle sleeve is provided with the lid；With the seal box
The stationary ring being fixedly connected is arranged between the through hole and the axle sleeve.
5. the corrosion-resistant single-stage list pump chamber water ring vacuum pump according to any one of Claims 1-4, it is characterised in that described
Threaded connector is screw rod, and one end of the screw rod is fixedly connected with the gland；Screwed hole is provided with the end of the rotating shaft,
The other end of the screw rod is connected with the screwed hole.
6. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 5, it is characterised in that the gland with it is described
Screw rod is integral type structure, and the gland is made up of anti-corrosion material.
7. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 5, it is characterised in that in the gland and institute
State and the second sealing gasket is provided between storage tank.
8. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 1, it is characterised in that the corrosion-resistant single-stage
Single pump chamber water ring vacuum pump also includes motor, support is provided between the motor and the pump housing, in the output of the motor
Shaft coupling is provided between end and the roller end, bearing is connected between the support and the rotating shaft.
9. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 1, it is characterised in that the clamp nut is set
It is equipped with two.
10. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 1, it is characterised in that in the rotating shaft
Wrap up the preserving timber bed of material in outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453654.3A CN107288919B (en) | 2017-06-15 | 2017-06-15 | Corrosion-resistant single-stage single-pump cavity water ring vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453654.3A CN107288919B (en) | 2017-06-15 | 2017-06-15 | Corrosion-resistant single-stage single-pump cavity water ring vacuum pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107288919A true CN107288919A (en) | 2017-10-24 |
| CN107288919B CN107288919B (en) | 2023-06-27 |
Family
ID=60096350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710453654.3A Active CN107288919B (en) | 2017-06-15 | 2017-06-15 | Corrosion-resistant single-stage single-pump cavity water ring vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107288919B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU201262U1 (en) * | 2020-09-02 | 2020-12-07 | Общество с ограниченной ответственностью "Экотол-Сервис" | Vacuum pump head |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB192365A (en) * | 1922-11-07 | 1923-12-06 | Nash Engineering Co | Improvements in or relating to pumping apparatus |
| CN2937570Y (en) * | 2006-03-26 | 2007-08-22 | 巢国平 | Steel plastic compound corrosion risistance mixed flow pump |
| CN102162458A (en) * | 2011-06-02 | 2011-08-24 | 长春泵业有限公司 | A gas fluid mixture self-priming pump |
| CN202165305U (en) * | 2011-08-02 | 2012-03-14 | 东莞市冠星水泵有限公司 | Corrosion resisting pump |
| CN103573674A (en) * | 2013-08-20 | 2014-02-12 | 杭州热威机电有限公司 | External heating heater for pump |
| CN203730389U (en) * | 2013-12-19 | 2014-07-23 | 东莞市冠星水泵有限公司 | Anticorrosive self-priming pump |
| JP2016070080A (en) * | 2014-09-26 | 2016-05-09 | 株式会社日立製作所 | Horizontal shaft pump system and horizontal shaft pump used in the same system |
| CN206845521U (en) * | 2017-06-15 | 2018-01-05 | 淄博联帮泵业有限公司 | Corrosion-resistant single-stage list pump chamber water ring vacuum pump |
-
2017
- 2017-06-15 CN CN201710453654.3A patent/CN107288919B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB192365A (en) * | 1922-11-07 | 1923-12-06 | Nash Engineering Co | Improvements in or relating to pumping apparatus |
| CN2937570Y (en) * | 2006-03-26 | 2007-08-22 | 巢国平 | Steel plastic compound corrosion risistance mixed flow pump |
| CN102162458A (en) * | 2011-06-02 | 2011-08-24 | 长春泵业有限公司 | A gas fluid mixture self-priming pump |
| CN202165305U (en) * | 2011-08-02 | 2012-03-14 | 东莞市冠星水泵有限公司 | Corrosion resisting pump |
| CN103573674A (en) * | 2013-08-20 | 2014-02-12 | 杭州热威机电有限公司 | External heating heater for pump |
| CN203730389U (en) * | 2013-12-19 | 2014-07-23 | 东莞市冠星水泵有限公司 | Anticorrosive self-priming pump |
| JP2016070080A (en) * | 2014-09-26 | 2016-05-09 | 株式会社日立製作所 | Horizontal shaft pump system and horizontal shaft pump used in the same system |
| CN206845521U (en) * | 2017-06-15 | 2018-01-05 | 淄博联帮泵业有限公司 | Corrosion-resistant single-stage list pump chamber water ring vacuum pump |
Non-Patent Citations (1)
| Title |
|---|
| 张元华: "清水离心泵新型无填料轴封" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU201262U1 (en) * | 2020-09-02 | 2020-12-07 | Общество с ограниченной ответственностью "Экотол-Сервис" | Vacuum pump head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107288919B (en) | 2023-06-27 |
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