CN200949527Y - Reformed pitch vertical centrifugal pump - Google Patents
Reformed pitch vertical centrifugal pump Download PDFInfo
- Publication number
- CN200949527Y CN200949527Y CN 200620091347 CN200620091347U CN200949527Y CN 200949527 Y CN200949527 Y CN 200949527Y CN 200620091347 CN200620091347 CN 200620091347 CN 200620091347 U CN200620091347 U CN 200620091347U CN 200949527 Y CN200949527 Y CN 200949527Y
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- China
- Prior art keywords
- pump
- support tube
- axle
- bearing
- vertical centrifugal
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- Expired - Lifetime
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Abstract
The utility model belongs to the high temperature vertical centrifugal pump field. The reform asphalt pump of the utility model comprised by a pump body, a plurality of impellers, a shaft, a support tube, a bearing frame, a motor frame, a bearing and sealing components, is characterized in that the pump body is a hydraulic model formed by the combination of the whole ring extrusion type pump body and the straight blade type impellers, the shaft is a step shaft, the part located in the support tube of the middle part of the shaft is installed with an effect ring, after rotated, the effect ring can provide the support tube with a downward pressure, the lower end of the support tube is connected with the pump cover to form a whole which can not only be the pump cover but also be the lower floor of the support tube. The purpose of the utility model is to provide a reform asphalt vertical centrifugal pump that under the premise without changing the cantilever structure of the traditional asphalt vertical centrifugal pump, the vertical centrifugal pump can extend the using life of the pump.
Description
Technical field
The utility model belongs to the high temp, vertical centrifugal pump field.
Background technique
What the pump of traditional conveying modified coal tar pitch adopted is vertical centrifugal pump, and the vertical centrifugal pump of traditional conveying modified coal tar pitch mainly is made up of the pump housing, impeller, support tube, axle, axle sleeve, sliding bearing, supporting base, motor frame, bearing enclosure etc.Pump shaft liquid bottom adopts sliding bearing to support, and liquid top adopts angular contact ball bearing to support.During installation, at first angular contact ball bearing is contained on axle and the bearing support, load onto support tube, supporting frame (sliding bearing is mounted thereto) then successively, support tube and supporting frame are installed then, up to installing pump cover, impeller, then impeller is fixed, install the pump housing at last, pick out drain pipe.
Because the modified coal tar pitch vertical centrifugal pump is to work under 350 ℃ to 500 ℃ high temperature condition, the deficiency of tradition modified coal tar pitch vertical centrifugal pump is: 1. the bearing of pump under the conventional construction, comprise rolling bearing and sliding bearing, at high temperature the bearing play diminishes, and the little meeting of rolling play of rolling bearing causes the rolling bearing sharp wear; And the little sharp wear that not only can cause in the gap of sliding bearing also might make the rotatingshaft newspaper dead; 2. in the high temperature media environment, the sliding bearing of traditional vertical centrifugal pump adopts the lubricated mode of flushing lubricated, often can not realize because the flushing Lubricants is improper; 3. the sealing under the high temperature condition, traditional sealing means are difficult to realize.
Summary of the invention
The purpose of this utility model provides a kind of transformation of the way pitch vertical centrifugal pump, makes vertical centrifugal pump under the prerequisite of the cantilever structure that does not change tradition transformation of the way pitch vertical centrifugal pump, the working life of improving pump.
The technical solution of the utility model is: transformation of the way pitch vertical centrifugal pump, by the pump jar, the pump housing, impeller, axle, support tube, bearing bracket stand, the motor frame, bearing and sealing component are formed, the pump jar connects with upper plate, the pump housing and support tube, bearing bracket stand, the motor frame, upper plate connects successively, be fastened on the pump jar, the tip of the axis and impeller link, the output shaft that passes the motor on support tube and bearing bracket stand and the motor frame successively connects, its structure is that the described pump housing is the hydraulic model that the integral ring-shaped extrusion formula pump housing combines with prismatic blade formula impeller and constitutes, axle is a multidiameter shaft, the stage casing of axle is positioned on the shaft part of support tube is equipped with the effect ring, the effect ring is the circle shell-like, effect ring external peripheral surface has spiral helicine groove, Hand of spiral is to make the pressure that generation is directed downwards in the support tube after the rotation of effect ring, the lower end and the pump cover of support tube are connected as a single entity, and promptly are that pump cover is again the lower shoe of support tube;
Transformation of the way pitch vertical centrifugal pump of the present utility model, its structure is that the sliding bearing employing high temperature sliding bearing of axle and the sliding bearing of cancelling in the conventional construction wash lubrication system, the rolling bearing of axle adopts the high temperature rolling bearing, the bearing bracket stand of rolling bearing is provided with the cooling system that is made of cooling sap cavity and entery and delivery port, to the bearing bracket stand cooling of rolling bearing.
Transformation of the way pitch vertical centrifugal pump of the present utility model, its structure are that described axle is adjustable axle, are respectively equipped with the screw thread that matches with locking nut at the two ends of axle, by the adjusting of adjusting lock nut's realization to the impeller clearance.
Characteristics of the present utility model are:
One, pump structure is at the high temperature media specialized designs, and is simple and practical, is suitable for high temperature media and uses; Two, use the high temperature rolling bearing also with cooling liquid cooling bearing frame and employing high temperature sliding bearing, reduced the wearing and tearing of high temperature lower bearing, guaranteed the working life of bearing; Three, the effect ring is set in the support tube, makes the pressure that generation is directed downwards in the support tube, can further avoid high temperature media to external leakage; Four, adopt adjustable axle, help adjusting the gap between the pump housing and impeller blade, improve hydraulic efficiency, behind blade wear, also can readjust the gap simultaneously, make hydraulic performance need not change parts and just can recover, improve working life.
Description of drawings
The utility model has accompanying drawing two width of cloth, wherein
Accompanying drawing 1 is a structural representation of the present utility model,
Accompanying drawing 2 is structural representations of effect ring of the present utility model.
Among the figure: 1, the pump housing 2, locking nut 3, impeller 4, pump cover choma 5, impeller port ring 6, axle sleeve 7, axle bush 8, support tube 9, axle 10, effect ring 11, seal ring 12, filler 13, upper plate 14, sealing gasket 15, packing sleeve 16, Gland 17, bearing bracket stand lower cover 18, bearing bracket stand 19, pump nozzle 20, bearing 21, bearing gland 22, oil seal washer 23, motor frame 24, locking nut 25, pump nozzle 26, water-cooled interface 27, water-cooled lid 28, fluid flange 29, drain pipe 30, outer pipe Gland 31, outer pipe filler 32, elbow 33, the pump jar
Embodiment
Be described further below in conjunction with the structure of accompanying drawing the utility model embodiment.
The pump housing 1 is connected successively with support tube 8, bearing bracket stand 18, motor frame 23, axle 9 is multidiameter shafts made from exotic materials such as refractory steel, prismatic blade formula impeller 3 in the tip of the axis and the pump housing 1 links, by locking nut 2 impeller is cemented on the axle 9, and and support tube between seal, pump cover choma 4, impeller port ring 5 forms seal clearances.The end of axle 9 is provided with the screw thread that matches with locking nut 2, and axle passes support tube 8 successively, bearing bracket stand 18 connects with the output shaft of motor.The stage casing of axle 9 is positioned at support tube upper plate 13 places effect ring 10 and seal ring 11 is housed, the upper end of axle 9 passes the position of bearing 20, be provided with the screw thread that matches with locking nut 24, but by the blade of the impeller 3 in the locking nut 24 transfer pump housings 1 at adjusting axle two ends and the gap between the pump housing, the upper head plate of the pump cover of the pump housing 1 and support tube 8 is connected as a single entity, being the pump cover of the pump housing, is again the upper head plate of support tube.Between the pump housing 1 and the support tube 8, between support tube 8 and the bearing bracket stand 18, between bearing bracket stand 18 and the upper plate 13, between bearing bracket stand 18 and the motor frame 23, be connected by bolt between upper plate 13 and the pump jar 33.The axle of the lower end of support tube passes the place, is provided with axle sleeve 6 and axle bush 7, and the axle of support tube upper end passes the place, is provided with the sealing configuration of packing sleeve 15 and Gland 16, and stuffing box packing 12 is to use the resistant to elevated temperatures wire establishment of selflubricating graphite packing.Be provided with sealing gasket 14 between upper plate 13 and bearing bracket stand 18 base plates, high temperature rolling bearing 20 is installed on the bearing bracket stand, bearing bracket stand has cooling water chamber, cooling water chamber is made of the hollow interlayer of bearing support outer wall, water-cooled interface 26 and water-cooled lid are connected with waterway, water-cooled interface 26 is connected with cooling water by flange, and Bearing Installation is in bearing support.
Connect elbow 32 and drain pipe 29, fluid flange 28, press filler 31 with outer pipe Gland 30, pump is fastened on the pump jar 33 together with motor, under the dragging of motor, pump is started working, and the medium that needs are pumped pumps from can container 33.
Claims (3)
1, transformation of the way pitch vertical centrifugal pump, by the pump jar, the pump housing, impeller, axle, support tube, bearing bracket stand, the motor frame, bearing and sealing component are formed, the pump jar connects with upper plate, the pump housing and support tube, bearing bracket stand, the motor frame, upper plate connects successively, be fastened on the pump jar, the tip of the axis and impeller link, the output shaft that passes the motor on support tube and bearing bracket stand and the motor frame successively connects, it is characterized in that: the described pump housing is the hydraulic model that the integral ring-shaped extrusion formula pump housing combines with prismatic blade formula impeller and constitutes, axle is a multidiameter shaft, the stage casing of axle is positioned on the shaft part of support tube is equipped with the effect ring, the effect ring is the circle shell-like, effect ring external peripheral surface has spiral helicine groove, Hand of spiral is to make the pressure that generation is directed downwards in the support tube after the rotation of effect ring, the lower end and the pump cover of support tube are connected as a single entity, and promptly are that pump cover is again the lower shoe of support tube.
2, transformation of the way pitch vertical centrifugal pump according to claim 1, it is characterized in that: the sliding bearing of axle adopts the high temperature sliding bearing and cancels sliding bearing lubricating system in the conventional construction, the rolling bearing of axle adopts the high temperature rolling bearing, and the bearing bracket stand of rolling bearing is provided with the cooling system that is made of cooling sap cavity and intake-outlet.
3, transformation of the way pitch vertical centrifugal pump according to claim 1 is characterized in that: described axle is adjustable axle, is respectively equipped with the screw thread that matches with locking nut at the two ends of axle, by the adjusting of adjusting lock nut's realization to the impeller clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620091347 CN200949527Y (en) | 2006-05-29 | 2006-05-29 | Reformed pitch vertical centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620091347 CN200949527Y (en) | 2006-05-29 | 2006-05-29 | Reformed pitch vertical centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200949527Y true CN200949527Y (en) | 2007-09-19 |
Family
ID=38892069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620091347 Expired - Lifetime CN200949527Y (en) | 2006-05-29 | 2006-05-29 | Reformed pitch vertical centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200949527Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072163A (en) * | 2011-01-13 | 2011-05-25 | 宣达实业集团有限公司 | Acid pump |
| CN102943777A (en) * | 2012-11-19 | 2013-02-27 | 大耐泵业有限公司 | Volute-type high-pressure submerged pump |
| CN106089733A (en) * | 2016-08-01 | 2016-11-09 | 江苏胜达科技有限公司 | Borax soln circulating pump |
| CN107091249A (en) * | 2016-02-17 | 2017-08-25 | 标立电机有限公司 | Centrifugal pump |
| CN107559210A (en) * | 2017-10-11 | 2018-01-09 | 济南三科泵业有限公司 | High-temperature melting salt pump |
-
2006
- 2006-05-29 CN CN 200620091347 patent/CN200949527Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072163A (en) * | 2011-01-13 | 2011-05-25 | 宣达实业集团有限公司 | Acid pump |
| CN102943777A (en) * | 2012-11-19 | 2013-02-27 | 大耐泵业有限公司 | Volute-type high-pressure submerged pump |
| CN107091249A (en) * | 2016-02-17 | 2017-08-25 | 标立电机有限公司 | Centrifugal pump |
| CN107091249B (en) * | 2016-02-17 | 2019-07-09 | 标立电机有限公司 | Centrifugal pump |
| CN106089733A (en) * | 2016-08-01 | 2016-11-09 | 江苏胜达科技有限公司 | Borax soln circulating pump |
| CN107559210A (en) * | 2017-10-11 | 2018-01-09 | 济南三科泵业有限公司 | High-temperature melting salt pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070919 |
|
| EXPY | Termination of patent right or utility model |