CN107701459A - One kind is without cooling down high-temperature hot high pressure water pump - Google Patents
One kind is without cooling down high-temperature hot high pressure water pump Download PDFInfo
- Publication number
- CN107701459A CN107701459A CN201710967901.1A CN201710967901A CN107701459A CN 107701459 A CN107701459 A CN 107701459A CN 201710967901 A CN201710967901 A CN 201710967901A CN 107701459 A CN107701459 A CN 107701459A
- Authority
- CN
- China
- Prior art keywords
- pump
- pump shaft
- pressure water
- cooling down
- temperature hot
- 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.)
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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
- F04D29/04—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
- F04D29/007—Details, component parts, or accessories 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
- F04D29/06—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
-
- 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
- F04D7/06—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals
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 one kind without cooling down high-temperature hot high pressure water pump, including bearing housing, the pump shaft being connected to by rolling bearing on bearing housing, and the impeller being connected on pump shaft；Described bearing housing includes leading portion, interlude and endpiece；Bearing assembly is provided between described leading portion and pump shaft；Set and have elastic component between described impeller and bearing assembly；Several fin are provided with described interlude is cylindrical；Described endpiece is internally provided with the machine coordinated with the mechanical seal on pump shaft and seals stationary seat；Oil sealing plate is provided between described machine envelope stationary seat and rolling bearing, and the baffle plate coordinated with oil sealing plate being arranged on pump shaft；On described pump shaft, and air-cooled structure is provided with endpiece；Stability is good, prevents the heat of pumped (conveying) medium to be delivered to by pump shaft at rolling bearing, and air-cooled to the progress of rolling bearing position, prevents rolling bearing temperature from reaching capacity and damaging, good reliability.
Description
Technical field
The present invention relates to HTHP hot water pump technical field, and external cooling water, fortune are not needed in particular to one kind
Row good reliability, the HTHP heat-exchanger pump of energy-conserving and environment-protective.
Background technology
Heat-exchanger pump, some HTHP occasions are generally used in, therefore its structure member typically uses high temperature resistant material, passes
The heat-exchanger pump of system includes the part such as the pump housing, pump cover, impeller, sealing structure, bearing housing, sealing structure be typically mounted on pump cover and
Between bearing housing, water cooling is typically carried out by air cooling or external cooling water, the cooling effect of air cooling is poor, and water cooling needs to consume
Substantial amounts of water resource；3 rolling bearings are usually provided with bearing housing, front end is 1 cylinder roller bearing, and afterbody is two angles
Contact ball bearing, although rolling friction transmission is smoothly, the requirement to use environment is higher, such as temperature, lubricating oil
Quality etc., and during installation, difficulty is big, if localized bumps damage, will influence the service life of whole bearing.
The content of the invention
Do not need that external cooling water, operational reliability be good, HTHPs of energy-conserving and environment-protective it is an object of the present invention to provide a kind of
Heat-exchanger pump, solves above technical problem.
In order to realize above-mentioned technical purpose, reach above-mentioned technical requirements, the technical solution adopted in the present invention is：It is a kind of
Without cooling down high-temperature hot high pressure water pump, including bearing housing, the pump shaft being connected to by rolling bearing on bearing housing, and connection
Impeller on pump shaft；It is characterized in that：Described bearing housing includes leading portion, interlude and endpiece；Described leading portion and pump shaft
Between be provided with bearing assembly；Set and have elastic component between described impeller and bearing assembly；On described interlude is cylindrical
It is provided with several fin；Described endpiece is internally provided with the machine coordinated with the mechanical seal on pump shaft and seals stationary seat；Institute
Oil sealing plate is provided between the machine envelope stationary seat and rolling bearing stated, and the gear coordinated with oil sealing plate being arranged on pump shaft
Plate；On described pump shaft, and air-cooled structure is provided with endpiece.
As preferable technical scheme：Pump cover is additionally provided with described bearing housing；It is additionally provided with described pump cover
The pump housing；Wear ring is additionally provided between the described pump housing and impeller.
As preferable technical scheme：Air bleeding valve and hydraulic fluid port are additionally provided with described endpiece is cylindrical.
As preferable technical scheme：Described bearing assembly includes being arranged on inner sleeve on pump shaft by proper tolerances, and
The overcoat coordinated with inner sleeve being arranged on by proper tolerances on leading portion；Left between described inner sleeve and the mating surface of overcoat
0.01mm-0.02mm gaps.
As preferable technical scheme：Described flexible member is spring or elastic washer.
As preferable technical scheme：The cross section of described fin is quadrilateral structure, S-shaped structure or corrugated
Structure.
As preferable technical scheme：Described machine envelope stationary seat includes annulus body, is connected to convex on annulus body
Block；It is vertically arranged between described projection and annulus body；Be additionally provided with that several communicate with hydraulic fluid port on described projection is logical
Hole.
As preferable technical scheme：Sealing is provided between described annulus body and endpiece inwall and mechanical seal
Circle.
As preferable technical scheme：It is interference fitted between described baffle plate and pump shaft by proper tolerances.
As preferable technical scheme：Described air-cooled structure includes the fan blade being connected to by locking nut on pump shaft,
And it is bolted the blade cover for being used to cover fan blade on endpiece.
The beneficial effects of the invention are as follows：One kind is without cooling down high-temperature hot high pressure water pump, compared with traditional structure：Adopted on bearing housing
It is combined with the bearing assembly of sliding friction structure with rolling bearing structure, not only ensure that the stability of operation, and axle
Bearing assembly forms lubricating film, large carrying capacity, rotating accuracy is high, has shock resistance effect by the direct cooling and lubricating of medium；Axle
Hold and heat radiating fin structure is additionally provided with case, be combined with air-cooled structure, not only prevent the heat of pumped (conveying) medium from passing through pump shaft transmission
To at rolling bearing, and it is air-cooled to the progress of rolling bearing position, prevent rolling bearing temperature from reaching capacity and damaging, have simultaneously
Beneficial to the cooling of mechanical seal, external water-cooling structure is eliminated；Setting has elastic component, and not only prevents impeller reversion to come off,
And be advantageous to the positioning of sliding friction structure.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is that the present invention removes the structural representation after the pump housing；
Fig. 3 is Fig. 2A of the present invention to zoomed-in view；
Fig. 4 is that machine of the present invention seals stationary seat sectional view；
In figure：1. bearing housing, 2. rolling bearings, 3. pump shafts, 4. impellers, 5. leading portions, 6. interludes, 7. endpieces, 8. bearings
It is component, 9. flexible members, 10. fin, 11. mechanical seals, 12. machines envelope stationary seat, 13. oil sealing plates, 14. baffle plates, 15. air-cooled
Structure, 16. air bleeding valves, 17. hydraulic fluid ports, 18. sealing rings, 19. locking nuts, 101. pump covers, 102. pump housings, 103. wear rings, 8-
1. inner sleeve, 8-2. overcoats, 12-1. annulus body, 12-2. projections, 12-3. through holes, 15-1. fan blades, 15-2. blade covers.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings；
In the accompanying drawings：One kind is connected to bearing housing without cooling down high-temperature hot high pressure water pump, including bearing housing 1 by rolling bearing 2
Pump shaft 3 on body 1, and the impeller 4 being connected on pump shaft 3；Pump cover 101 is additionally provided with described bearing housing 1；Described
The pump housing 102 is additionally provided with pump cover 101；Wear ring 103 is additionally provided between the described pump housing 102 and impeller 4, improves no cooling
The operating efficiency of HTHP heat-exchanger pump, reduce hydraulic loss；Described bearing housing 1 includes leading portion 5, interlude 6 and endpiece
7；It is provided with bearing assembly 8 between described leading portion 5 and pump shaft 3, large carrying capacity, stability is good；Described impeller 4 and bearing
Set between component 8 and have elastic component 9；Described flexible member 9 is spring or elastic washer, it is therefore prevented that the reversion of impeller 4 is de-
Fall, and have the positioning of bearing assembly 8；Several fin 10 are provided with described interlude 6 is cylindrical；Described fin
10 cross section is quadrilateral structure, S-shaped structure or corrugated structure, ensure that radiating effect；Set inside described endpiece 7
It is equipped with the machine coordinated with the mechanical seal 11 on pump shaft 3 and seals stationary seat 12；Between described machine envelope stationary seat 12 and rolling bearing 2
Oil sealing plate 13 is provided with, and the baffle plate 14 coordinated with oil sealing plate 13 on pump shaft 3 is interference fitted in by proper tolerances；Described
On pump shaft 3, and air-cooled structure 15 is provided with endpiece 7；Air bleeding valve 16 and hydraulic fluid port are additionally provided with described endpiece 7 is cylindrical
17；Actual use uses, and is coordinated by bearing assembly 8 and rolling bearing 2 so that stable without cooling down high-temperature high-pressure water heating pump operation
Property is more preferable, and be provided with fin 10 coordinates with air-cooled structure 15, not only prevents the heat of pumped (conveying) medium to be delivered to rolling by pump shaft 3
At dynamic bearing 2, and it is air-cooled to the progress of the position of rolling bearing 2, prevent the temperature of rolling bearing 2 from reaching capacity and damaging, have simultaneously
Beneficial to the cooling of mechanical seal 11, the stability of structure is improved.
In Fig. 1, Fig. 2：Described bearing assembly 8 includes being arranged on inner sleeve 8-1 on pump shaft 3 by proper tolerances, and presses
Proper tolerances are arranged on the overcoat 8-2 coordinated with inner sleeve 8-1 on leading portion 5；Described inner sleeve 8-1 and overcoat 8-2 mating surface
Between leave 0.01mm-0.02mm gaps；Inner sleeve 8-1 and overcoat 8-2 forms profit by the direct cooling and lubricating of medium in gap
Synovial membrane, smooth, large carrying capacity being driven, rotating accuracy is high, and with shock resistance effect；Described inner sleeve 8-1 and overcoat 8-2
Using high temperature resistant pressureless sintering carborundum, there is good wearability, heat-resisting quantity, corrosion resistance, can be below 1600 DEG C
Using etc. has advantage.
In Fig. 4：Described machine envelope stationary seat 12 includes annulus body 12-1, the projection being connected on annulus body 12-1
12-2；It is vertically arranged between described projection 12-2 and annulus body 12-1；Several are additionally provided with described projection 12-2
The through hole 12-3 communicated with hydraulic fluid port 17；It is provided between described annulus body 12-1 and the inwall of endpiece 7 and mechanical seal 11
Sealing ring 18；It is provided with annulus body 12-1 and projection 12-2 and ensure that the concentricity of mechanical seal 11 and bearing housing 1, and
It is provided with through hole 12-3 with baffle plate 14 and oil sealing plate 13 to coordinate so that lubricating oil is carried by multiple directions lubrication rolling bearing 2
The high cooling effect to rolling bearing 2.
In fig. 2：Described air-cooled structure 15 includes the fan blade 15-1 being connected to by locking nut 19 on pump shaft 3, with
And it is bolted the blade cover 15-2 for being used to cover fan blade 15-1 on endpiece 7；Rotated by pump shaft 3 and drive fan blade
15-1 is rotated, and cool ambient air enters in bearing housing 1 under atmospheric pressure, and so as to realize cooling rolling bearing 2, stability is good, carries
The high operating efficiency without cooling down high-temperature hot high pressure water pump, energy-conserving and environment-protective.
Above-described embodiment is only intended to clearly illustrate the description that the present invention is made, and is not the restriction to embodiment,
To those of ordinary skill in the art, other various forms of changes or change can also be made on the basis of the above description
Dynamic, there is no necessity and possibility to exhaust all the enbodiments, and the obvious change or change thus amplified out
Among moving still in protection scope of the present invention.
Claims (10)
1. one kind is without cooling down high-temperature hot high pressure water pump, including bearing housing（1）, pass through rolling bearing（2）It is connected to bearing housing
（1）On pump shaft（3）, and it is connected to pump shaft（3）On impeller（4）；It is characterized in that：Described bearing housing（1）Including preceding
Section（5）, interlude（6）And endpiece（7）；Described leading portion（5）With pump shaft（3）Between be provided with bearing assembly（8）；Described leaf
Wheel（4）With bearing assembly（8）Between set and have elastic component（9）；Described interlude（6）Several radiatings are provided with cylindrical
Piece（10）；Described endpiece（7）It is internally provided with and pump shaft（3）On mechanical seal（11）The machine envelope stationary seat of cooperation（12）；
Described machine envelope stationary seat（12）And rolling bearing（2）Between be provided with oil sealing plate（13）, and it is arranged on pump shaft（3）On with
Oil sealing plate（13）The baffle plate of cooperation（14）；Described pump shaft（3）On, and close to endpiece（7）Place is provided with air-cooled structure（15）.
2. it is according to claim 1 a kind of without cooling down high-temperature hot high pressure water pump, it is characterized in that：Described bearing housing（1）
On be additionally provided with pump cover（101）；Described pump cover（101）On be additionally provided with the pump housing（102）；The described pump housing（102）With impeller
（4）Between be additionally provided with wear ring（103）.
3. it is according to claim 1 a kind of without cooling down high-temperature hot high pressure water pump, it is characterized in that：Described endpiece（7）It is cylindrical
On be additionally provided with air bleeding valve（16）And hydraulic fluid port（17）.
4. it is according to claim 1 a kind of without cooling down high-temperature hot high pressure water pump, it is characterized in that：Described bearing assembly（8）
Including being arranged on pump shaft by proper tolerances（3）Upper inner sleeve（8-1）, and by proper tolerances it is arranged on leading portion（5）On and inner sleeve
（8-1）The overcoat of cooperation（8-2）；Described inner sleeve（8-1）And overcoat（8-2）Mating surface between leave 0.01mm-0.02mm
Gap.
5. it is according to claim 1 a kind of without cooling down high-temperature hot high pressure water pump, it is characterized in that：Described flexible member（9）
For spring or elastic washer.
6. it is according to claim 1 a kind of without cooling down high-temperature hot high pressure water pump, it is characterized in that：Described fin（10）'s
Cross section is quadrilateral structure, S-shaped structure or corrugated structure.
7. it is according to claim 1 a kind of without cooling down high-temperature hot high pressure water pump, it is characterized in that：Described machine envelope stationary seat
（12）Including annulus body（12-1）, it is connected to annulus body（12-1）On projection（12-2）；Described projection（12-2）With
Annulus body（12-1）Between be vertically arranged；Described projection（12-2）On be additionally provided with several and hydraulic fluid port（17）What is communicated is logical
Hole（12-3）.
8. it is according to claim 7 a kind of without cooling down high-temperature hot high pressure water pump, it is characterized in that：Described annulus body（12-
1）With endpiece（7）Inwall and mechanical seal（11）Between be provided with sealing ring（18）.
9. it is according to claim 1 a kind of without cooling down high-temperature hot high pressure water pump, it is characterized in that：Described baffle plate（14）With pump
Axle（3）Between by proper tolerances be interference fitted.
10. it is according to claim 1 a kind of without cooling down high-temperature hot high pressure water pump, it is characterized in that：Described air-cooled structure
（15）Including passing through locking nut（19）It is connected to pump shaft（3）On fan blade（15-1）, and be bolted in endpiece（7）
On be used for cover fan blade（15-1）Blade cover（15-2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710967901.1A CN107701459B (en) | 2017-10-18 | 2017-10-18 | Cooling-free high-temperature high-pressure hot water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710967901.1A CN107701459B (en) | 2017-10-18 | 2017-10-18 | Cooling-free high-temperature high-pressure hot water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107701459A true CN107701459A (en) | 2018-02-16 |
| CN107701459B CN107701459B (en) | 2023-06-20 |
Family
ID=61181271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710967901.1A Active CN107701459B (en) | 2017-10-18 | 2017-10-18 | Cooling-free high-temperature high-pressure hot water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107701459B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135518A (en) * | 2021-11-30 | 2022-03-04 | 重庆跃进机械厂有限公司 | Centrifugal fresh water pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH523428A (en) * | 1969-03-25 | 1972-05-31 | Westinghouse Electric Corp | Centrifugal pump |
| CN101029646A (en) * | 2006-03-01 | 2007-09-05 | 王友宏 | Fished chemical industry pump |
| CN207363896U (en) * | 2017-10-18 | 2018-05-15 | 江苏飞跃机泵集团有限公司 | Without cooling high temperature and pressure heat-exchanger pump |
-
2017
- 2017-10-18 CN CN201710967901.1A patent/CN107701459B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH523428A (en) * | 1969-03-25 | 1972-05-31 | Westinghouse Electric Corp | Centrifugal pump |
| CN101029646A (en) * | 2006-03-01 | 2007-09-05 | 王友宏 | Fished chemical industry pump |
| CN207363896U (en) * | 2017-10-18 | 2018-05-15 | 江苏飞跃机泵集团有限公司 | Without cooling high temperature and pressure heat-exchanger pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135518A (en) * | 2021-11-30 | 2022-03-04 | 重庆跃进机械厂有限公司 | Centrifugal fresh water pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107701459B (en) | 2023-06-20 |
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