CN204061193U - The radial subdivision centrifugal pump of single-stage double-suction - Google Patents
The radial subdivision centrifugal pump of single-stage double-suction Download PDFInfo
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- CN204061193U CN204061193U CN201420466403.0U CN201420466403U CN204061193U CN 204061193 U CN204061193 U CN 204061193U CN 201420466403 U CN201420466403 U CN 201420466403U CN 204061193 U CN204061193 U CN 204061193U
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- pump
- drive end
- pump cover
- suction
- pump housing
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Abstract
The utility model provides the radial subdivision centrifugal pump of a kind of single-stage double-suction, comprises drive end pump cover, the pump housing, anti-drive end pump cover and rotor part dress; Described rotor part is loaded onto and is provided with a double-entry impeller, and described impeller is arranged in the described pump housing, and the two ends of described rotor part dress are separately installed with front axle bearing portion dress and rear axle bearing portion dress, are provided with a suction port and a discharge opening above the described pump housing.The form of this pump single-stage double-suction, but pumping chamber is arranged in the middle of the pump housing, two suction chambers are symmetrically distributed in the two ends of pumping chamber, and the pressure that the mechanical seal of such two ends is born is the pressure of suction port, reduce the pressure in mechanical seal chamber, extend the working life of mechanical seal; And improve the anti-cavitation performance of pump, greatly balance axial force, spiral case adopts double socket shell structure, and radial force is balanced, and the bearing at pump seat two ends only need bear very little axial force and radial force, substantially prolongs the working life of bearing like this.
Description
Technical field
The utility model relates to a kind of pump, particularly relates to a kind of radial subdivision centrifugal pump.
Background technique
The radial subdivision centrifugal pump of single-stage double-suction refers to a kind of horizontal radial split casing pump that jacking ejects, and is also to rely on the rotation of impeller to obtain centrifugal force.The double-suction centrifugal pump of current routine generally adopts an impeller, when needs are high-lift, common single-stage pump can not meet, if adopt a bilobed wheel to add the two stage pump of single leaf human relations, because impeller size is large, very large Axial and radial power can be produced, and pump case flows to complexity simultaneously, the volume of pump is comparatively large, unstable properties.
Model utility content
The purpose of this utility model is to provide a kind of single-stage double-suction radial subdivision centrifugal pump, to solve the shortcoming in above-mentioned background technology.
In order to achieve the above object, the utility model takes following technological scheme:
The radial subdivision centrifugal pump of a kind of single-stage double-suction, comprise drive end pump cover, the pump housing, anti-drive end pump cover and rotor part dress, described drive end pump cover and anti-drive end pump cover cover at described pump housing two ends, the described pump housing, drive end pump cover, described rotor part dress is run through in anti-drive end pump cover, the two ends of described rotor part dress pass described drive end pump cover, anti-drive end pump cover, described rotor part is loaded onto and is provided with a double-entry impeller, described impeller is arranged in the described pump housing, the two ends of described rotor part dress are separately installed with front axle bearing portion dress and rear axle bearing portion dress, a suction port and a discharge opening is provided with above the described pump housing, pumping chamber is arranged in the middle of the pump housing, and two suction chambers are symmetrically distributed in the two ends of pumping chamber, between described front axle bearing portion dress with described drive end pump cover, described rear axle bearing portion fills and be equipped with bearing bracket between described anti-drive end pump cover, is equipped with seal ring, throat's lining before casing ring, impeller between described impeller and described drive end pump cover, anti-drive end pump cover, spacer sleeve.
In the utility model, under the described pump housing, be connected with oil draining system, under described bearing bracket, be connected with drainage.Described oil draining system, drainage are all connected with same outer pipe.Centered by the radial subdivision centrifugal pump of described single-stage double-suction, line supports.
The beneficial effects of the utility model are: the utility model can be provided with different sealing configurations according to different operating mode, favorable sealing property, adopts double-volute structure simultaneously, and compact structure, beautiful shape, hydraulic efficiency and anti-cavitation performance are higher; Import and export and be all located at above the pump housing, make during maintain and replace mechanical seal, not need dismounting pipeline, the pump housing, motor and drive end pump cover and anti-drive end pump cover, fast easy to maintenance.And impeller is double-entry impeller, greatly balances axial force, reduces the pressure-bearing grade of mechanical seal, extend the working life of mechanical seal.
Accompanying drawing explanation
Fig. 1 is the structural drawing of an embodiment of the present utility model.
Embodiment
To illustrate below in conjunction with accompanying drawing and embodiment further illustrates the utility model.
As shown in Figure 1, the radial subdivision centrifugal pump of single-stage double-suction of the present utility model comprises drive end pump cover 11, anti-drive end pump cover 9, the pump housing 1 and rotor part fill 13, described drive end pump cover 11, anti-drive end pump cover 9 covers at the described pump housing 1 two ends, the described pump housing 1, drive end pump cover 11, to run through described rotor part in anti-drive end pump cover 9 and fill 13, the two ends that described rotor part fills 13 pass described drive end pump cover 11, anti-drive end pump cover 9, described rotor part fills on 13 and is provided with an impeller 10, described impeller 10 is arranged in the described pump housing 1, a suction port and a discharge opening is provided with above the described pump housing 1, the two ends that described rotor part fills 13 be separately installed with front axle bearing portion fill 14 and rear axle bearing portion fill 8, described front axle bearing portion fills between 14 and described drive end pump cover 11, described rear axle bearing portion fills between 8 and described anti-drive end pump cover 9 and is equipped with bearing bracket 7, described impeller 10 and described drive end pump cover 11, anti-drive end pump cover 9, casing ring 6 is equipped with between spacer sleeve 12, seal ring 3 before impeller, throat's lining 2.
In the utility model, be connected with oil draining system 5 under the described pump housing, be connected with drainage 4 under described bearing bracket, described oil draining system 5, drainage 4 are all connected with same outer pipe.Centered by the radial subdivision centrifugal pump of described single-stage double-suction, line supports.
Structure of the present utility model is from compact type pumps such as traditional integral pump pin, water-cooling type bearing support, the huge type of single spiral case equal-volume split type technique pump pin till now, alternative type of cooling (water-cooled, air-cooled, naturally cool), double socket shells, not only make the profile of pump more attractive in appearance, and further increase the reliability of pump.This pump is radial subdivision two end supports formula heavy duty centrifugal pump, can be used on petroleum refining, petrochemical industry and chemical industry and carry the oil, liquefied petroleum gas (LPG) and other medium that do not contain solid particle, be particularly suitable for conveying High Temperature High Pressure and inflammable and explosive or poisonous liquid, its mounting type is that horizontal center line supports.
In the utility model, the radial centrifugal pump intake of subdivision of single-stage double-suction and discharge opening are all at pump housing top, when pump is keeped in repair, without the need to detaching pipelines and motor, and maintain and replace mechanical seal and bearing time, do not need to tear the pump housing and drive end pump cover, anti-drive end pump cover open, dismounting is extremely simple.The runner of pump adopts scroll casing type, but not the guide-vane of general multistage pump, and therefore pump can keep higher hydraulic efficiency, and the efficient district of pump is wide, and the efficiency of pump is all up to state standards more than A line or A line.
In the utility model, the form of this pump single-stage double-suction, but pumping chamber is arranged in the middle of the pump housing, two suction chambers are symmetrically distributed in the two ends of pumping chamber and respectively there is a suction chamber at pump two ends, the pressure that the mechanical seal of such two ends is born is the pressure of suction port, reduce the pressure in mechanical seal chamber, extend the working life of mechanical seal; And improve the anti-cavitation performance of pump, greatly balance axial force, spiral case adopts double socket shell structure, and radial force is balanced, and the bearing at pump seat two ends only need bear very little axial force and radial force, substantially prolongs the working life of bearing like this.
In the utility model, pump housing oil draining system, drainage, the outlet of venting rinse-system all gather and to be connected with the external world, meet environmental requirement, the utility model makes multistage pump from without Monitoring and Controlling remote monitoring up till now, really achieve on-the-spot unattended, integrate with completely with external advanced pump level.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (5)
1. the radial subdivision centrifugal pump of single-stage double-suction, it is characterized in that: described radial subdivision centrifugal pump comprises drive end pump cover, the pump housing, anti-drive end pump cover and rotor part dress, described drive end pump cover and anti-drive end pump cover cover at described pump housing two ends, the described pump housing, drive end pump cover, described rotor part dress is run through in anti-drive end pump cover, the two ends of described rotor part dress pass described drive end pump cover, anti-drive end pump cover, described rotor part is loaded onto and is provided with a double-entry impeller, described impeller is arranged in the described pump housing, the two ends of described rotor part dress are separately installed with front axle bearing portion dress and rear axle bearing portion dress, a suction port and a discharge opening is provided with above the described pump housing, pumping chamber is arranged in the middle of the pump housing, and two suction chambers are symmetrically distributed in the two ends of pumping chamber, between described front axle bearing portion dress with described drive end pump cover, described rear axle bearing portion fills and be equipped with bearing bracket between described anti-drive end pump cover, is equipped with seal ring, throat's lining before casing ring, impeller between described impeller and described drive end pump cover, anti-drive end pump cover, spacer sleeve.
2. radial subdivision centrifugal pump according to claim 1, is characterized in that: be connected with oil draining system and drainage under the described pump housing.
3. radial subdivision centrifugal pump according to claim 2, is characterized in that: described pump cover is connected with venting rinse-system.
4. radial subdivision centrifugal pump according to claim 3, is characterized in that: described oil draining system, drainage are all connected with same outer pipe with venting rinse-system.
5. radial subdivision centrifugal pump according to claim 1, is characterized in that: centered by described radial subdivision centrifugal pump, line supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420466403.0U CN204061193U (en) | 2014-08-18 | 2014-08-18 | The radial subdivision centrifugal pump of single-stage double-suction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420466403.0U CN204061193U (en) | 2014-08-18 | 2014-08-18 | The radial subdivision centrifugal pump of single-stage double-suction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061193U true CN204061193U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420466403.0U Active CN204061193U (en) | 2014-08-18 | 2014-08-18 | The radial subdivision centrifugal pump of single-stage double-suction |
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| CN (1) | CN204061193U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168221A (en) * | 2016-08-23 | 2016-11-30 | 广州市白云泵业集团有限公司 | A kind of duct type single-stage double-suction centrifugal pump |
| CN107542669A (en) * | 2017-10-20 | 2018-01-05 | 项达章 | A kind of single-stage double-suction radial direction subdivision centrifugal pump |
| CN107701456A (en) * | 2017-10-20 | 2018-02-16 | 项达章 | A kind of two-stage single suction radial direction subdivision centrifugal pump |
| CN107795490A (en) * | 2017-10-20 | 2018-03-13 | 项达章 | High-lift single-stage double-suction centrifugal pump |
-
2014
- 2014-08-18 CN CN201420466403.0U patent/CN204061193U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168221A (en) * | 2016-08-23 | 2016-11-30 | 广州市白云泵业集团有限公司 | A kind of duct type single-stage double-suction centrifugal pump |
| CN107542669A (en) * | 2017-10-20 | 2018-01-05 | 项达章 | A kind of single-stage double-suction radial direction subdivision centrifugal pump |
| CN107701456A (en) * | 2017-10-20 | 2018-02-16 | 项达章 | A kind of two-stage single suction radial direction subdivision centrifugal pump |
| CN107795490A (en) * | 2017-10-20 | 2018-03-13 | 项达章 | High-lift single-stage double-suction centrifugal pump |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |