CN106762682A - A kind of riser formula centrifugal pump - Google Patents
A kind of riser formula centrifugal pump Download PDFInfo
- Publication number
- CN106762682A CN106762682A CN201611248640.XA CN201611248640A CN106762682A CN 106762682 A CN106762682 A CN 106762682A CN 201611248640 A CN201611248640 A CN 201611248640A CN 106762682 A CN106762682 A CN 106762682A
- Authority
- CN
- China
- Prior art keywords
- pump
- bearing
- impeller
- thrust bearing
- intermediate support
- 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.)
- Pending
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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
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- 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
- F04D29/041—Axial thrust balancing
-
- 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
- F04D29/046—Bearings
-
- 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
- F04D29/06—Lubrication
- F04D29/061—Lubrication especially adapted 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of riser formula centrifugal pump,Pump housing left side is provided with suction casing,Right side is provided with Spit Section,Suction casing is located in same level with Spit Section,Pump body is provided with impeller cavity,Impeller is located in impeller cavity,Pump cover is fixed on the pump housing by screw,Pump cover is provided with detection means,Detection means includes pipeline and pressure vacuum gauge,Mechanical seal is sequentially provided with pump shaft,Journal bearing,Thrust bearing,The inside of intermediate support is provided with cold water cavity,Grease chamber is provided between journal bearing and thrust bearing,The present invention passes through journal bearing and thrust bearing balancing axial thrust,Ensure the even running of pump,Grease chamber is provided between journal bearing and thrust bearing,On the one hand it is used to lubricate,Extend the service life of bearing,On the other hand cooling can be played a part of,Thrust bearing is additionally provided with cold water cavity,Radiating can preferably be played a part of,In addition it is additionally provided with detection means,The ruuning situation of pump is detected by pressure vacuum gauge.
Description
Technical field
The present invention relates to pump technical field is centrifuged, specifically, more particularly to a kind of riser formula centrifugal pump.
Background technology
Pipeline pump is one kind of single-suction single-stage centrifugal pump, belongs to vertical structure, because of its import and export on the same line, and turnover
Mouth bore is identical, imitates like a segment pipe, can be arranged on any position of pipeline therefore be named as pipeline pump, in pipeline pump operation process
In, because liquid is to enter impeller under low pressure, and flow out under high pressure, make impeller both sides pressure, generate finger
To the axial thrust of Way in, can cause rotor that axial float occurs, produce abrasion and vibrate, therefore axial thrust should be set
Bearing, so as to balancing axial thrust, because to produce heat during pipeline pump work in itself, can also convey high-temp liquid sometimes, and this is just
Needing pipeline pump has preferable heat dispersion.
The content of the invention
For above-mentioned deficiency of the prior art, the invention discloses a kind of riser formula centrifugal pump, can effectively put down
The axial force that weighing apparatus pump shaft operation process is produced, and perfect heat-dissipating, compact conformation are reliable.
The technical solution adopted for the present invention to solve the technical problems is:A kind of riser formula centrifugal pump, pump housing left side
Suction casing is provided with, right side is provided with Spit Section, and suction casing is located in same level with Spit Section, easy to use, it is not necessary in addition
Adapter road, is particularly well-suited to pipeline transportation, and pump body is provided with impeller cavity, and impeller is located in impeller cavity, and impeller passes through impeller spiral shell
Mother is fixed on pump shaft, and suction casing, Spit Section are connected with impeller cavity, and pump housing inwall is provided with choma, is coordinated with impeller clearance, pump
Lid is fixed on the pump housing by screw, and sealing ring is provided between pump cover and impeller, and pump cover is fixed with machine sealed cover by screw, pump
Cavity is provided with lid and machine sealed cover, mechanical seal is provided with cavity, mechanical seal is socketed on axle sleeve, and axle sleeve is fixed with pump shaft
Connection, axle sleeve shields to pump shaft, during serious wear, need to only change axle sleeve, reduces maintenance cost, and pump cover is provided with deflation
Valve, is provided with passage inside pump cover, passage end is connected with mechanical seal, and the other end is connected with vent valve, and pump cover is provided with detection
Device, detection means includes pipeline and pressure vacuum gauge, and pump cover is fixed with intermediate support by screw, and bearing protecgulum is propped up with middle
Frame is fixedly connected by screw, and bearing protecgulum inwall is provided with some toroidal cavities, and bearing protecgulum coordinates with pump shaft gap, bearing
Before be covered with oil inlet, the inwall of journal bearing is socketed on pump shaft, and the outer wall of journal bearing is fixed with the inwall of intermediate support
Connection, the inside of intermediate support is provided with cold water cavity, preferable cooling effect, intermediate support and electric machine support is played to thrust bearing
Be fixedly connected by screw bolt and nut, be provided with thrust bearing at the upper end open of intermediate support, thrust bearing by round nut with
Pump shaft is connected, and seal washer is provided between thrust bearing and round nut, and bearing bonnet is fixed on intermediate support by screw, axle
Hold bonnet inwall and be provided with some toroidal cavities, bearing bonnet coordinates with pump shaft gap, and oil inlet, radial axle are covered with after bearing
Hold and grease chamber is provided between thrust bearing, the top of thrust bearing is provided with shaft coupling, and output shaft and the pump shaft of motor pass through shaft coupling
Device is fixedly connected, and electric machine support is fixedly connected with motor by screw bolt and nut.Cylindrical roller axle is provided with the journal bearing
Hold, a pair of angular contact ball bearings are provided with thrust bearing.
The waterproof plug is connected with pump housing Spit Section.
The present invention has beneficial effect, and the present invention is provided with journal bearing and thrust bearing, by journal bearing and thrust shaft
Hold balancing axial thrust, it is ensured that the even running of pump, grease chamber is provided between journal bearing and thrust bearing, on the one hand for lubricating,
Extend the service life of bearing, on the other hand can play a part of cooling, thrust bearing is additionally provided with cold water cavity, can preferably rise
To the effect of radiating, detection means is additionally provided with addition, the ruuning situation of pump is detected by pressure vacuum gauge, it is adaptable to oil
The operating modes such as pass tubes conveying, the tank fields such as the industrial circles such as work, electric power, Ferrous Metallurgy, desalinization, environmentally friendly pharmacy.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
In figure:The 1- pump housings, 2- impellers, 3- waterproof plugs, 4- Spit Sections, 5- suction casings, 6- pump covers, 7- machine sealed covers, 8- axles
Set, 9- bearing protecgulums, 10- intermediate supports, 11- shaft couplings, 12- electric machine supports, 13- cold water cavities, 14- round nuts, after 15- bearings
Lid, 16- vent valves, 17- detection means, 18- journal bearings, 19- thrust bearings, 20- grease chambers, 21- pump shafts, 22- oil inlets.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant with the present invention.
As illustrated, being provided with suction casing on the left of a kind of riser formula centrifugal pump, the pump housing, right side is provided with Spit Section, suction
Section is located in same level with Spit Section, easy to use, it is not necessary to another external pipe, is particularly well-suited to pipeline transportation, the pump housing
Inside is provided with impeller cavity, and impeller is located in impeller cavity, and impeller is fixed on pump shaft by impeller nut, suction casing, Spit Section with
Impeller cavity is connected, and pump housing inwall is provided with choma, coordinates with impeller clearance, and pump cover is fixed on the pump housing by screw, pump cover with
Sealing ring is provided between impeller, pump cover is fixed with machine sealed cover by screw, cavity is provided with pump cover and machine sealed cover, in cavity
Mechanical seal is provided with, mechanical seal is socketed on axle sleeve, and axle sleeve is fixedly connected with pump shaft, and axle sleeve shields to pump shaft, ground
When damaging serious, axle sleeve need to be only changed, reduce maintenance cost, pump cover is provided with vent valve, passage, passage end are provided with inside pump cover
It is connected with mechanical seal, the other end is connected with vent valve, pump cover is provided with detection means, detection means includes pipeline and vacuum pressure
Power table, pump cover is fixed with intermediate support by screw, and bearing protecgulum is fixedly connected with intermediate support by screw, in bearing protecgulum
Wall is provided with some toroidal cavities, and bearing protecgulum coordinates with pump shaft gap, and oil inlet, the inwall of journal bearing are covered with before bearing
It is socketed on pump shaft, the outer wall of journal bearing is fixedly connected with the inwall of intermediate support, the inside of intermediate support is provided with cold water cavity,
Preferable cooling effect is played to thrust bearing, intermediate support is fixedly connected with electric machine support by screw bolt and nut, centre branch
Thrust bearing is provided with the upper end open of frame, thrust bearing is connected by round nut with pump shaft, between thrust bearing and round nut
Seal washer is provided with, bearing bonnet is fixed on intermediate support by screw, bearing bonnet inwall is provided with some toroidal cavities,
Bearing bonnet coordinates with pump shaft gap, and oil inlet is covered with after bearing, and grease chamber, thrust are provided between journal bearing and thrust bearing
The top of bearing is provided with shaft coupling, and the output shaft of motor is fixedly connected with pump shaft by shaft coupling, and electric machine support passes through with motor
Screw bolt and nut is fixedly connected.
Cylinder roller bearing is provided with the journal bearing, a pair of angular contact ball bearings are provided with thrust bearing.
The waterproof plug is connected with pump housing Spit Section.
Further, the mechanical seal meets API682 standard sizes, can match various forms mechanical seal.
The preferred embodiment for the present invention is explained in detail above in conjunction with accompanying drawing, but the invention is not restricted to above-mentioned implementation
Mode, in the ken that those of ordinary skill in the art possess, can also be on the premise of present inventive concept not be departed from
Make a variety of changes.
Not departing from the spirit and scope of the present invention can make many other changes and remodeling.It should be appreciated that the present invention is not
It is limited to specific implementation method, the scope of the present invention is defined by the following claims.
Claims (3)
1. a kind of riser formula centrifugal pump, it is characterised in that pump housing left side is provided with suction casing, and right side is provided with Spit Section, suction
Section is located in same level with Spit Section, and pump body is provided with impeller cavity, and impeller is located in impeller cavity, and impeller passes through impeller spiral shell
Mother is fixed on pump shaft, and suction casing, Spit Section are connected with impeller cavity, and pump housing inwall is provided with choma, is coordinated with impeller clearance, pump
Lid is fixed on the pump housing by screw, and sealing ring is provided between pump cover and impeller, and pump cover is fixed with machine sealed cover by screw, pump
Cavity is provided with lid and machine sealed cover, mechanical seal is provided with cavity, mechanical seal is socketed on axle sleeve, and axle sleeve is fixed with pump shaft
Connection, axle sleeve shields to pump shaft, and pump cover is provided with vent valve, and passage is provided with inside pump cover, and passage end is close with machinery
Envelope is connected, and the other end is connected with vent valve, and pump cover is provided with detection means, and detection means includes pipeline and pressure vacuum gauge, pump
Lid is fixed with intermediate support by screw, and bearing protecgulum is fixedly connected with intermediate support by screw, and bearing protecgulum inwall is provided with
Some toroidal cavities, bearing protecgulum coordinates with pump shaft gap, and oil inlet is covered with before bearing, and the inwall of journal bearing is socketed on
On pump shaft, the outer wall of journal bearing is fixedly connected with the inwall of intermediate support, and the inside of intermediate support is provided with cold water cavity, to thrust
Bearing plays preferable cooling effect, and intermediate support is fixedly connected with electric machine support by screw bolt and nut, intermediate support it is upper
Thrust bearing is provided with end opening, thrust bearing is connected by round nut with pump shaft, is provided with close between thrust bearing and round nut
Seal washer, bearing bonnet is fixed on intermediate support by screw, and bearing bonnet inwall is provided with some toroidal cavities, after bearing
Lid coordinates with pump shaft gap, and oil inlet is covered with after bearing, and grease chamber is provided between journal bearing and thrust bearing, thrust bearing
Top is provided with shaft coupling, and the output shaft of motor is fixedly connected with pump shaft by shaft coupling, electric machine support and motor by bolt and
Nut is fixedly connected.
2. a kind of riser formula centrifugal pump as claimed in claim 1, it is characterised in that be provided with cylinder in the journal bearing
Roller bearing, is provided with a pair of angular contact ball bearings in thrust bearing.
3. a kind of riser formula centrifugal pump as claimed in claim 1, it is characterised in that the waterproof plug and pump housing Spit Section
It is connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611248640.XA CN106762682A (en) | 2016-12-29 | 2016-12-29 | A kind of riser formula centrifugal pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611248640.XA CN106762682A (en) | 2016-12-29 | 2016-12-29 | A kind of riser formula centrifugal pump |
Publications (1)
Publication Number | Publication Date |
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CN106762682A true CN106762682A (en) | 2017-05-31 |
Family
ID=58927525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201611248640.XA Pending CN106762682A (en) | 2016-12-29 | 2016-12-29 | A kind of riser formula centrifugal pump |
Country Status (1)
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CN (1) | CN106762682A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107605695A (en) * | 2017-10-20 | 2018-01-19 | 徐工集团工程机械有限公司 | A kind of two-wheel flute milling machine slush pump drive device |
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CN201916240U (en) * | 2010-12-22 | 2011-08-03 | 上海诺地乐通用设备制造有限公司 | Vertical water-cooling bearing block for blower in high-temperature furnace |
CN202012499U (en) * | 2011-03-03 | 2011-10-19 | 镇江江大泵业科技有限公司 | Double-sealed pressure reduction device for marine long shaft pump |
CN102444611A (en) * | 2010-10-15 | 2012-05-09 | 长沙理工大学 | Centrifugal pump |
CN204921394U (en) * | 2015-07-23 | 2015-12-30 | 上海弛泉泵阀(集团)有限公司 | Horizontal single -stage tangent line fire control pump package |
CN205154652U (en) * | 2015-10-16 | 2016-04-13 | 江苏翰纳泵业有限公司 | Centrifugal chemical industry raw tube says pump |
CN206600274U (en) * | 2016-12-29 | 2017-10-31 | 镇江福泰克流体技术有限公司 | A kind of riser formula centrifugal pump |
-
2016
- 2016-12-29 CN CN201611248640.XA patent/CN106762682A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102444611A (en) * | 2010-10-15 | 2012-05-09 | 长沙理工大学 | Centrifugal pump |
CN201916240U (en) * | 2010-12-22 | 2011-08-03 | 上海诺地乐通用设备制造有限公司 | Vertical water-cooling bearing block for blower in high-temperature furnace |
CN202012499U (en) * | 2011-03-03 | 2011-10-19 | 镇江江大泵业科技有限公司 | Double-sealed pressure reduction device for marine long shaft pump |
CN204921394U (en) * | 2015-07-23 | 2015-12-30 | 上海弛泉泵阀(集团)有限公司 | Horizontal single -stage tangent line fire control pump package |
CN205154652U (en) * | 2015-10-16 | 2016-04-13 | 江苏翰纳泵业有限公司 | Centrifugal chemical industry raw tube says pump |
CN206600274U (en) * | 2016-12-29 | 2017-10-31 | 镇江福泰克流体技术有限公司 | A kind of riser formula centrifugal pump |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107605695A (en) * | 2017-10-20 | 2018-01-19 | 徐工集团工程机械有限公司 | A kind of two-wheel flute milling machine slush pump drive device |
CN107605695B (en) * | 2017-10-20 | 2024-03-22 | 江苏徐工工程机械研究院有限公司 | Driving device for slurry pump of double-wheel slot milling machine |
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