CN202326269U - Center-opening type multi-stage pump - Google Patents
Center-opening type multi-stage pump Download PDFInfo
- Publication number
- CN202326269U CN202326269U CN2011204460190U CN201120446019U CN202326269U CN 202326269 U CN202326269 U CN 202326269U CN 2011204460190 U CN2011204460190 U CN 2011204460190U CN 201120446019 U CN201120446019 U CN 201120446019U CN 202326269 U CN202326269 U CN 202326269U
- Authority
- CN
- China
- Prior art keywords
- pump
- pump seat
- seat
- rotor part
- open type
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a center-opening type multi-stage pump, which comprises a pump cover, two flow channels, a pump seat and a rotor part, wherein the pump cover is covered on the pump seat; the rotor part is inserted into the pump seat; two ends of the rotor part penetrate through the pump seat; more than two vane wheels are arranged on the rotor part and positioned in the pump seat in a manner of back to back; a suction port and an exhaust port are formed on the pump seat; two ends of the rotor part are respectively provided with a front bearing part and a rear bearing part; oil baffle covers are arranged between the front bearing part and the pump seat as well as between the rear bearing part and the pump seat; and a rear pump body sealing ring, a front pump body sealing ring, a middle sealing ring, a low-pressure end sealing cavity sealing ring and a high-pressure end sealing cavity sealing ring are arranged between the vane wheels and the pump seat. The center-opening type multi-stage pump has high sealing property, environment friendliness, a compact structure, relatively high efficiency and long service life, is convenient to maintain, and is safe and reliable.
Description
Technical field
The utility model relates to a kind of pump, is specially a kind of middle open type multistage pump.
Background technique
Multistage pump is meant that a lot of single-stage pumps simply are combined in series, and its output hydraulic pressure can be very big, is a kind of of centrifugal pump, also is to rely on the rotation of impeller to obtain centrifugal force.Original multistage pump is bulky, and efficient is lower, and the supporting of the rotor part dress of multistage pump is in quick condition, so the anti seismic efficiency of structure is poor.The maintenance of pump needs whole dismounting, makes the working life of keeping in repair very inconvenience and can influence pump.
The model utility content
The technical problem that the utility model solved is to provide a kind of middle open type multistage pump, to solve the shortcoming in the above-mentioned background technology.
The technical problem that the utility model solved adopts following technological scheme to realize:
The middle open type multistage pump comprises pump cover, runner, pump seat, rotor part dress, and said pump cover covers on said pump seat; Running through said rotor part dress in the said pump seat; The two ends of said rotor part dress pass said pump seat, and said rotor part is loaded onto plural impeller is installed, and said plural impeller is installed in the said pump seat back-to-back; Said runner is a double flow channel; Said pump seat is provided with suction port and discharge opening, and the two ends of said rotor part dress are separately installed with fore bearing portion dress and rear bearing portion dress, between said fore bearing portion's dress and the said pump seat, said rear bearing portion adorns and said pump seat between be equipped with oil blocking cover; Be provided with pump housing increasing back sealing ring, the preceding seal ring of the pump housing between said impeller and the said pump seat, intermediate seal ring, low voltage terminal Seal cage seal ring and high voltage terminal Seal cage seal ring.
In the utility model, also can establish relief tube in the said pump seat, be connected with oil draining system and drainage under the said pump seat, be connected with the venting rinse-system on the said pump cover, said oil draining system, drainage and venting rinse-system all link to each other with same outer pipe.Said middle open type multistage pump is that center line supports.
Beneficial effect
The utility model can be provided with different sealings and flushing mechanism according to different operating modes, and favorable sealing property adopts double flow channel formula structure simultaneously, and compact structure, beautiful shape, hydraulic efficiency are higher; Establish suction port and discharge opening on the pump seat, make maintenance need not dismantle pipeline, pump seat, motor and pump cover, easy to maintenance quick.And impeller is to install back-to-back, balance axial force, double flow channel formula constitutional balance radial force, prolonged working life of mechanical seal and bearing.
Description of drawings
Fig. 1 is an embodiment's of middle open type multistage pump a structural drawing.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, an embodiment's of middle open type multistage pump structural drawing, middle open type multistage pump; Comprise that pump cover 10, runner, pump seat 1 and rotor part adorn 9; Said pump cover 10 covers on said pump seat 1, is running through said rotor part in the said pump seat 1 and is adorning 9, and said rotor part is adorned 9 two ends and passed said pump seat 1; Said rotor part is adorned plural impeller 13 is installed on 9; Said plural impeller 13 is installed in the said pump seat 1 back-to-back, and said runner is a double flow channel, and said pump seat 1 is provided with suction port and discharge opening; Said rotor part is adorned 9 two ends and is separately installed with fore bearing portion and adorns 11 and adorn 7 with rear bearing portion; Said fore bearing portion adorn 11 and said pump seat 1 between, said rear bearing portion adorn 7 and said pump seat 1 between be equipped with oil blocking cover 12, be provided with seal ring 3 before pump housing increasing back sealing ring 2, the pump housing between said impeller 13 and the said pump seat 1, intermediate seal ring 4, low voltage terminal Seal cage seal ring and high voltage terminal Seal cage seal ring.
In the utility model; Also can establish relief tube in the said pump seat 1; Said pump seat is connected with oil draining system 5 and drainage 6 for 1 time, is connected with venting rinse-system 8 on the said pump cover 10, and said oil draining system 5, drainage 6 all link to each other with same outer pipe with venting rinse-system 8.Said middle open type multistage pump is that center line supports.
The structure of the utility model is from compact type pumps such as till now the center line support of traditional integral pump pin, water-cooling type bearing support, the huge type of single spiral case equal-volume, alternative type of cooling (water-cooled, air-cooled, natural cooling), double volute, double flow channels; Not only make the profile of pump more attractive in appearance, and further improved the reliability of pump.
In the utility model, multistage pump intake and discharge opening all on the fixed pump seat, when pump is keeped in repair, need not detaching pipelines and motor, and when maintain and replace mechanical seal and bearing, need not tear pump seat and pump cover open, and dismounting is extremely simple.The runner of pump adopts scroll casing type, but not the stator formula of general multistage pump, so pump can keep higher hydraulic efficiency, and the efficient district of pump is wide, all be up to state standards A line or more than the A line of the efficient of pump.
In the utility model; This pump stage number is many; Pressure is high, and impeller is local to be adopted by the chopped-off head delivery chamber through inner flow passage (or outer flow passage) directly to high voltage terminal, and delivery chamber is arranged in the middle of the pump housing or the pressure of employing relief tube balance two ends machine sealing chamber; The pressure that born of high voltage terminal mechanical seal reduces greatly like this, has prolonged the working life of mechanical seal.Impeller adopts back-to-back and installs, greatly balance axial force, spiral case adopts double flow channel and 180 ° to be inverted to distribute, make radial force be able to balance, the bearing at pump seat two ends only need bear very little axial force and radial force, has prolonged the working life of bearing so greatly.
In the utility model; Pump housing oil draining system, drainage, the outlet of venting rinse-system all gather and are connected with extraneous; Compliance with environmental protection requirements; The utility model makes the middle open type multistage pump from the remote monitoring up till now of no Monitoring and Controlling, has really realized on-the-spot unattendedly, integrates with fully with external advanced pump level.
More than show and described basic principle of the utility model and the advantage of major character and the utility model; The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described, under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications; These variations and improvement all fall in the utility model scope that requires protection, and the utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (6)
1. the middle open type multistage pump comprises pump cover, runner, pump seat, rotor part dress, and said pump cover covers on said pump seat; Running through said rotor part dress in the said pump seat, the two ends of said rotor part dress pass said pump seat, and said rotor part is loaded onto plural impeller is installed; It is characterized in that; Said plural impeller is installed in the said pump seat back-to-back, and said runner is a double flow channel, and said pump seat is provided with suction port and discharge opening; The two ends of said rotor part dress are separately installed with fore bearing portion dress and rear bearing portion dress; Between said fore bearing portion dress and the said pump seat, be equipped with oil blocking cover between said rear bearing portion's dress and the said pump seat, be provided with pump housing increasing back sealing ring, the preceding seal ring of the pump housing between said impeller and the said pump seat, intermediate seal ring, low voltage terminal Seal cage seal ring and high voltage terminal Seal cage seal ring.
2. middle open type multistage pump according to claim 1 is characterized in that, is provided with relief tube in the said pump seat.
3. middle open type multistage pump according to claim 1 is characterized in that, is connected with oil draining system and drainage under the said pump seat.
4. middle open type multistage pump according to claim 1 is characterized in that, is connected with the venting rinse-system on the said pump cover.
5. according to claim 3 or 4 described middle open type multistage pumps, it is characterized in that said oil draining system, drainage and venting rinse-system all link to each other with same outer pipe.
6. middle open type multistage pump according to claim 1 is characterized in that, said middle open type multistage pump is that center line supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204460190U CN202326269U (en) | 2011-11-13 | 2011-11-13 | Center-opening type multi-stage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204460190U CN202326269U (en) | 2011-11-13 | 2011-11-13 | Center-opening type multi-stage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326269U true CN202326269U (en) | 2012-07-11 |
Family
ID=46438251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204460190U Expired - Fee Related CN202326269U (en) | 2011-11-13 | 2011-11-13 | Center-opening type multi-stage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202326269U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828959A (en) * | 2012-09-18 | 2012-12-19 | 南方泵业股份有限公司 | Double-suction multistage horizontal type horizontal split pump |
| CN107701456A (en) * | 2017-10-20 | 2018-02-16 | 项达章 | A kind of two-stage single suction radial direction subdivision centrifugal pump |
| CN114893436A (en) * | 2022-06-13 | 2022-08-12 | 江苏亚梅泵业集团有限公司 | Self-balancing multistage pump shaft seal mechanical seal structure |
-
2011
- 2011-11-13 CN CN2011204460190U patent/CN202326269U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828959A (en) * | 2012-09-18 | 2012-12-19 | 南方泵业股份有限公司 | Double-suction multistage horizontal type horizontal split pump |
| CN102828959B (en) * | 2012-09-18 | 2014-12-03 | 南方泵业股份有限公司 | Double-suction multistage horizontal type horizontal split pump |
| CN107701456A (en) * | 2017-10-20 | 2018-02-16 | 项达章 | A kind of two-stage single suction radial direction subdivision centrifugal pump |
| CN114893436A (en) * | 2022-06-13 | 2022-08-12 | 江苏亚梅泵业集团有限公司 | Self-balancing multistage pump shaft seal mechanical seal structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204061197U (en) | Double-entry pump is opened in level | |
| CN206035814U (en) | Supplementary vacuum pump | |
| CN203926033U (en) | The horizontal multi-stage centrifugal pump of a kind of end water sucting belt inducer | |
| CN204783844U (en) | Horizontal multistage centrifugal pump | |
| CN202326269U (en) | Center-opening type multi-stage pump | |
| CN203906303U (en) | Multi-stage, vertical, efficient and anti-cavitation cryogenic pump | |
| CN204175600U (en) | The high-lift single-stage double-suction centrifugal pump of multi-operating mode | |
| CN204061193U (en) | The radial subdivision centrifugal pump of single-stage double-suction | |
| CN2816434Y (en) | Vortex-adding chamber structure for water pump | |
| CN204061194U (en) | The radial subdivision centrifugal pump of two-stage single suction | |
| CN201155463Y (en) | Axial force balancing device centrifugal pump | |
| CN103352876A (en) | Horizontal multi-stage centrifugal pump with high cavitation resistance | |
| CN202326272U (en) | Ten-level pump | |
| CN105257516A (en) | Compressor with screw and centrifugal impeller being connected in series | |
| CN202833186U (en) | Double-suction multi-stage horizontal-type mid-split pump | |
| CN202833185U (en) | Double-suction multi-stage horizontal mid-split pump | |
| CN213899304U (en) | Two-end supporting radial subdivision two-stage centrifugal pump | |
| CN206874490U (en) | Axial subdivision three-level centrifugal pump | |
| CN202203174U (en) | Core-pulling sectional self-balancing multistage centrifugal pump | |
| CN203214404U (en) | Single-case symmetrical radially-split multistage centrifugal pump | |
| CN107795490A (en) | High-lift single-stage double-suction centrifugal pump | |
| CN104989673A (en) | Horizontal multi-stage centrifugal pump | |
| CN206221284U (en) | Double feed inlet guide-vane horizontal space multi-stage centrifugal pump | |
| CN214577913U (en) | Volute structure | |
| CN105626543A (en) | Multistage pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20141113 |
|
| EXPY | Termination of patent right or utility model |