CN104533799A - Solar-thermal power generation high-temperature high-pressure molten salt pump - Google Patents
Solar-thermal power generation high-temperature high-pressure molten salt pump Download PDFInfo
- Publication number
- CN104533799A CN104533799A CN201410847019.XA CN201410847019A CN104533799A CN 104533799 A CN104533799 A CN 104533799A CN 201410847019 A CN201410847019 A CN 201410847019A CN 104533799 A CN104533799 A CN 104533799A
- Authority
- CN
- China
- Prior art keywords
- pump
- liquid salts
- power generation
- impeller
- high temperature
- 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
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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
- 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
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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
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
- F04D1/08—Multi-stage pumps the stages being situated concentrically
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings 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
- F04D29/5893—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps heat insulation or conduction
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 relates to a solar-thermal power generation high-temperature high-pressure molten salt pump. The solar-thermal power generation high-temperature high-pressure molten salt pump is characterized by comprising a suction bell, an impeller, a pump body, a pump shaft, a guide bearing component, a base plate, a bearing, an oil seal, a bearing box body and supporting pipes, wherein the oil seal is arranged on the upper portion of the pump shaft, the suction bell is fixed to the pump body, the pump shaft is fixed to the bearing box through the bearing, the impeller is fixed to the pump shaft through an impeller nut, the supporting pipes are arranged between the pump and the base plate, a middle support is arranged between the base plate and the bearing box, and a liquid discharging pipe is fixed to the middle support. The solar-thermal power generation high-temperature high-pressure molten salt pump has the advantages that the overall structural design is ingenious, the structure is compact, and assembly and maintenance are convenient; according to the technical scheme, the middle support is arranged and separates the base plate from the bearing box, and the influence of high-temperature molten salt on the bearing and the sealing device is lowered.
Description
Technical field
The present invention relates to a kind of pump for liquid salts, relate in particular to a kind of photothermal power generation High Temperature High Pressure pump for liquid salts, belong to mechanical equipment technical field.
Background technique
Pump for liquid salts is the pump being used for carrying high-temperature molten salt specially, be widely used in the industrial departments such as ion film caustic soda, aluminium oxide, melamine, organic chemical industry, also can be used for carrying other high temperature, without the liquid of the special media of solid particle, according to structural type, fused salt Under Water Pumps and fused salt axial-flow pump and molten salt circulating pump can be divided into; Fused salt Under Water Pumps is the pump for liquid salts of low-flow high-lift, and its impeller is receded disk impeller, and the pump of this form is most widely used general.The pump for liquid salts of the little lift of large discharge of fused salt axial-flow pump, its impeller is aial flow impeller, is specially adapted to chemical industry large discharge fused salt heat exchanging occasion.Pump for liquid salts kind on market is many, mostly there is following problem: 1) complicated structure, and it is cumbersome that detachable maintaining changes parts; 2) impact of fused salt on bearing and seal arrangement of High Temperature High Pressure is larger, reduces the working life of pump for liquid salts; 3) the inner a lot of easily worn part of pump for liquid salts, replacement cost is higher, adds entreprise cost expense, and therefore, a kind of new technological scheme of exigence solves the problems of the technologies described above.
Summary of the invention
In order to solve above-mentioned Problems existing, the invention discloses a kind of photothermal power generation High Temperature High Pressure pump for liquid salts, the design of this Whole Equipment is ingenious, structure is simple, convenient disassembly, with low cost, the high temperature significantly reducing conveying liquid, on the impact of bearing and seal arrangement, extends the working life of bearing and seal arrangement.
To achieve these goals, technological scheme of the present invention is as follows, a kind of photothermal power generation High Temperature High Pressure pump for liquid salts, it is characterized in that, described pump for liquid salts comprises suction bell, impeller, the pump housing, pump shaft, guide bearing parts, base plate, bearing, shaft seal, bearing housing and support tube, described shaft seal is arranged on the top of pump shaft, be fixed on intermediate support, described suction bell is fixed on the pump housing, described pump shaft is fixed on bearing housing by bearing, described impeller is fixed on pump shaft by impeller nut, support tube is provided with between the described pump housing and base plate, intermediate support is provided with between described base plate and bearing housing, described drain pipe is fixed on intermediate support.Be provided with intermediate support in this technological scheme, by base plate and bearing housing separately, reduce the impact of high-temperature molten salt on bearing and seal arrangement.
As a modification of the present invention, in described intermediate support, be provided with insulating layer of asbestos.Avoid deflector outlet High Temperature High Pressure fused salt and transmit temperature along axle, the high temperature that significantly can reduce conveying liquid, on the impact of bearing and seal arrangement, improves the working life of bearing and seal arrangement.
As a modification of the present invention, the quantity of described support tube is three, be arranged on uniformly around pump shaft, with annular exit chamber phase while of three support tubes, uniform force after the at high temperature thermal expansion of three support tubes guarantee pumps, avoid high-temperature molten salt to transmit temperature along axle simultaneously, ensure that pump operation is steady.
As a modification of the present invention, described pump for liquid salts also comprises seal arrangement, and described pump shaft is sleeved on base plate by seal arrangement, increases its sealing effect, prevents high-temperature molten salt from leaking.
As a modification of the present invention, described pump for liquid salts also comprises drain pipe, is arranged on intermediate support.
As a modification of the present invention, described impeller is set to multi-stage impeller, and described multi-stage impeller is fixed on pump shaft by impeller nut.
As a modification of the present invention, described pump for liquid salts also comprises sealing protecting tube and closed chamber, and described sealing protecting tube and closed chamber are arranged on the top of impeller.This technological scheme is provided with sealing protecting tube and closed chamber, solve High Temperature High Pressure fused salt in prior art and make the technical problem of shaft sealing leakage, the high temperature that significantly can reduce conveying liquid, on the impact of bearing and seal arrangement, improves the working life of bearing and seal arrangement.
As a modification of the present invention, described guide bearing parts comprise top guide bearing parts and lower guide bearing parts, are connected between described top guide bearing parts and lower guide bearing parts by connecting shaft assembly.
As a modification of the present invention, described pump for liquid salts also comprises vibration detecting device, and described vibration detecting device is arranged on the two ends of bearing housing, can the runnability of Real-Time Monitoring pump, and Access Control System, realizes remote operation.
As a modification of the present invention, described pump for liquid salts also comprises temperature measuring equipment, can the temperature of lubricant oil and intermediate support in the bearing housing of Real-Time Monitoring pump.
Relative to prior art, advantage of the present invention is as follows: 1) overall construction design is ingenious, compact structure, and detachable maintaining is convenient; 2) this technological scheme is provided with intermediate support, by base plate and bearing housing separately, reduces the impact of high-temperature molten salt on bearing and seal arrangement; 3) in this technological scheme, insulating layer of asbestos is provided with in intermediate support, avoid deflector outlet High Temperature High Pressure fused salt and transmit temperature along axle, the high temperature that significantly can reduce conveying liquid, on the impact of bearing and seal arrangement, improves the working life of bearing and seal arrangement; 4) be provided with multi-stage impeller in this technological scheme, make fused salt enter sealing diffluence room faster, increase work efficiency; 5) this technological scheme is provided with sealing protecting tube and sealing diffluence room, solve High Temperature High Pressure fused salt in prior art and make the technical problem of shaft sealing leakage, the high temperature that significantly can reduce conveying liquid, on the impact of bearing and seal arrangement, improves the working life of bearing and seal arrangement; 6) this technological scheme cost is lower, is convenient to apply on a large scale.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
In figure:
1 suction bell, 2, impeller nut, 3, impeller, 4, deflector, 5, lower guide bearing parts, 6, sealing protecting tube, 7, closed chamber, 8, shaft coupling assembly, 9, support tube, 10, top guide bearing parts, 11, pump shaft, 12, annular exit chamber, 13, intermediate support, 14, drain pipe, 15, gland seal device, 16, bearing housing, 17, bearing, 18, the pump housing, 19, base plate, 20, vibration detecting device, 21, temperature measuring equipment, 22, ceramic wool heat-insulating layer.
Embodiment
In order to deepen understanding of the present invention and understanding, below in conjunction with the drawings and specific embodiments, illustrate the present invention further.
embodiment 1:
See Fig. 1, a kind of photothermal power generation High Temperature High Pressure pump for liquid salts, described pump for liquid salts comprises suction bell 1, impeller 3, the pump housing 18, pump shaft 11, guide bearing parts, base plate 19, bearing 17, oil sealing 15, bearing housing 16 and support tube 9, described oil sealing 15 is arranged on the top of pump shaft 11, described suction bell 1 is fixed on the pump housing 18, described pump shaft 11 is fixed on bearing housing 16 by bearing 17, described impeller is fixed on pump shaft 11 by impeller nut 2, support tube 9 is provided with between the described pump housing 18 and base plate 19, intermediate support 13 is provided with between described base plate 19 and bearing housing 16, described drain pipe 14 is fixed on intermediate support 13.Be provided with intermediate support 13 in this technological scheme, by base plate 19 and bearing housing 16 separately, reduce the impact of high-temperature molten salt on bearing and seal arrangement.
embodiment 2:
See Fig. 1, as a modification of the present invention, in described intermediate support, be provided with insulating layer of asbestos 20.Avoid deflector outlet High Temperature High Pressure fused salt and transmit temperature along axle, the high temperature that significantly can reduce conveying liquid, on the impact of bearing and seal arrangement, improves the working life of bearing and seal arrangement.All the other structures are identical with embodiment 1 with advantage.
embodiment 3:
See Fig. 1, as a modification of the present invention, the quantity of described support tube 9 is three, is arranged on uniformly around pump shaft, and three support tubes are connected with annular exit chamber simultaneously.All the other structures are identical with embodiment 1 with advantage.
embodiment 4:
See Fig. 1, as a modification of the present invention, described pump for liquid salts also comprises seal arrangement 21, and described pump shaft 11 is sleeved on base plate 19 by seal arrangement 21, increases its sealing effect, prevents high-temperature molten salt from leaking.All the other structures are identical with embodiment 1 with advantage.
embodiment 5:
See Fig. 1, as a modification of the present invention, described pump for liquid salts also comprises drain pipe 14, and described drain pipe is designed to arc, is arranged on the bottom of the pump housing, and described drain pipe is connected with annular exit chamber.All the other structures are identical with embodiment 1 with advantage.
embodiment 6:
See Fig. 1, as a modification of the present invention, described impeller 3 is set to multi-stage impeller, and described multi-stage impeller is fixed on pump shaft by impeller nut.All the other structures are identical with embodiment 1 with advantage.
embodiment 7:
See Fig. 1, as a modification of the present invention, described pump for liquid salts also comprises sealing protecting tube 6 and closed chamber 7, and described sealing protecting tube 6 and closed chamber 7 are arranged on the top of impeller 3.This technological scheme is provided with sealing protecting tube and closed chamber, solve High Temperature High Pressure fused salt in prior art and make the technical problem of shaft sealing leakage, the high temperature that significantly can reduce conveying liquid, on the impact of bearing and seal arrangement, improves the working life of bearing and seal arrangement.All the other structures are identical with embodiment 1 with advantage.
embodiment 8:
See Fig. 1, as a modification of the present invention, described guide bearing parts comprise top guide bearing parts 10 and lower guide bearing parts 5, are connected between described top guide bearing parts and lower guide bearing parts by shaft coupling assembly 11.All the other structures are identical with embodiment 1 with advantage.
embodiment 9:
See Fig. 1, as a modification of the present invention, described pump for liquid salts also comprises vibration detecting device 20, and described vibration detecting device is arranged on the two ends of bearing housing, and described pump for liquid salts also comprises temperature measuring equipment 21, and all the other structures are identical with embodiment 1 with advantage.
At least one in technical characteristics described in embodiment 2,3,4,5,6,7,8,9 and embodiment 1 can also combine by the present invention, form new mode of execution.
It should be noted that above-described embodiment is only preferred embodiment of the present invention; be not for limiting protection scope of the present invention; the equivalent replacement made on the basis of the above or substitute all belong to protection scope of the present invention, protection scope of the present invention is as the criterion with claims.
Claims (10)
1. a photothermal power generation High Temperature High Pressure pump for liquid salts, it is characterized in that, described pump for liquid salts comprises suction bell, impeller, the pump housing, pump shaft, guide bearing parts, base plate, bearing, gland seal device, bearing housing and support tube, described gland seal device is arranged on the top of pump shaft, described suction bell is fixed on the pump housing, described pump shaft is fixed on bearing housing by bearing, described impeller is fixed on pump shaft by impeller nut, support tube is provided with between the described pump housing and base plate, intermediate support is provided with between described base plate and bearing housing, described drain pipe is fixed on intermediate support.
2. photothermal power generation High Temperature High Pressure pump for liquid salts according to claim 1, is characterized in that, be provided with ceramic wool thermal-protective coating in described intermediate support.
3. photothermal power generation High Temperature High Pressure pump for liquid salts according to claim 2, is characterized in that, the quantity of described support tube is three, is arranged on uniformly around pump shaft, and three support tubes are connected with annular exit chamber simultaneously.
4. the photothermal power generation High Temperature High Pressure pump for liquid salts according to claim 3 or 4, it is characterized in that, described pump for liquid salts also comprises seal arrangement, and described pump shaft is sleeved on base plate by seal arrangement.
5. photothermal power generation High Temperature High Pressure pump for liquid salts according to claim 5, it is characterized in that, described pump for liquid salts also comprises drain pipe, and described drain pipe is designed to arc, is arranged on the bottom of the pump housing, and described drain pipe is connected with annular exit chamber.
6. photothermal power generation High Temperature High Pressure pump for liquid salts according to claim 6, it is characterized in that, described impeller is set to multi-stage impeller, and described multi-stage impeller is fixed on pump shaft by impeller nut.
7. photothermal power generation High Temperature High Pressure pump for liquid salts according to claim 7, it is characterized in that, described pump for liquid salts also comprises sealing protecting tube and closed chamber, and described sealing protecting tube and closed chamber are arranged on the top of impeller.
8. photothermal power generation High Temperature High Pressure pump for liquid salts according to claim 7, is characterized in that, described guide bearing parts comprise top guide bearing parts and lower guide bearing parts, is connected between described top guide bearing parts and lower guide bearing parts by connecting shaft assembly.
9. photothermal power generation High Temperature High Pressure pump for liquid salts according to claim 7, it is characterized in that, described pump for liquid salts also comprises vibration detecting device, and described vibration detecting device is arranged on the two ends of bearing housing.
10. photothermal power generation High Temperature High Pressure pump for liquid salts according to claim 7, it is characterized in that, described pump for liquid salts also comprises temperature measuring equipment, can the temperature of lubricant oil and intermediate support in the bearing housing of Real-Time Monitoring pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410847019.XA CN104533799A (en) | 2014-12-31 | 2014-12-31 | Solar-thermal power generation high-temperature high-pressure molten salt pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410847019.XA CN104533799A (en) | 2014-12-31 | 2014-12-31 | Solar-thermal power generation high-temperature high-pressure molten salt pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104533799A true CN104533799A (en) | 2015-04-22 |
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ID=52849387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410847019.XA Pending CN104533799A (en) | 2014-12-31 | 2014-12-31 | Solar-thermal power generation high-temperature high-pressure molten salt pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104533799A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762702A (en) * | 2016-12-27 | 2017-05-31 | 重庆博张机电设备有限公司 | A kind of fused salt submerged pump |
| CN107355389A (en) * | 2017-08-18 | 2017-11-17 | 大连深蓝泵业有限公司 | Solar energy thermal-power-generating high-temperature long-shaft pump for liquid salts |
| CN108167195A (en) * | 2017-12-27 | 2018-06-15 | 中国科学院上海应用物理研究所 | A kind of superelevation temperature molten salt shaft seal pump |
| CN109139485A (en) * | 2018-10-30 | 2019-01-04 | 江苏双达泵业股份有限公司 | A kind of high-temperature long-shaft pump for liquid salts |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2763583Y (en) * | 2004-11-24 | 2006-03-08 | 上海凯泉泵业（集团）有限公司 | Vertical long axle pump |
| CN2809285Y (en) * | 2005-02-01 | 2006-08-23 | 上海阿波罗机械制造有限公司 | Intelligent apparatus for protecting and monitoring submerged pump with long shaft |
| CN2886150Y (en) * | 2006-01-05 | 2007-04-04 | 张荣杰 | Molten salt submerged pump |
| CN101392755A (en) * | 2007-09-19 | 2009-03-25 | 何光国 | Molten salt pump |
| CN101799015A (en) * | 2009-02-06 | 2010-08-11 | 黄佳华 | Sealing device of pump for molten salt |
| CN202250927U (en) * | 2011-10-24 | 2012-05-30 | 刘竹旺 | Submerged pump with sealing protecting tube |
| CN103206384A (en) * | 2013-04-24 | 2013-07-17 | 欧技工业设备（江苏）有限公司 | High-temperature molten salt pump with composite heat-dissipation structure |
| CN204663901U (en) * | 2014-12-31 | 2015-09-23 | 江苏飞跃机泵集团有限公司 | A kind of photo-thermal power generation HTHP pump for liquid salts |
-
2014
- 2014-12-31 CN CN201410847019.XA patent/CN104533799A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2763583Y (en) * | 2004-11-24 | 2006-03-08 | 上海凯泉泵业（集团）有限公司 | Vertical long axle pump |
| CN2809285Y (en) * | 2005-02-01 | 2006-08-23 | 上海阿波罗机械制造有限公司 | Intelligent apparatus for protecting and monitoring submerged pump with long shaft |
| CN2886150Y (en) * | 2006-01-05 | 2007-04-04 | 张荣杰 | Molten salt submerged pump |
| CN101392755A (en) * | 2007-09-19 | 2009-03-25 | 何光国 | Molten salt pump |
| CN101799015A (en) * | 2009-02-06 | 2010-08-11 | 黄佳华 | Sealing device of pump for molten salt |
| CN202250927U (en) * | 2011-10-24 | 2012-05-30 | 刘竹旺 | Submerged pump with sealing protecting tube |
| CN103206384A (en) * | 2013-04-24 | 2013-07-17 | 欧技工业设备（江苏）有限公司 | High-temperature molten salt pump with composite heat-dissipation structure |
| CN204663901U (en) * | 2014-12-31 | 2015-09-23 | 江苏飞跃机泵集团有限公司 | A kind of photo-thermal power generation HTHP pump for liquid salts |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762702A (en) * | 2016-12-27 | 2017-05-31 | 重庆博张机电设备有限公司 | A kind of fused salt submerged pump |
| CN106762702B (en) * | 2016-12-27 | 2019-09-17 | 重庆博张机电设备有限公司 | A kind of fused salt submerged pump |
| CN107355389A (en) * | 2017-08-18 | 2017-11-17 | 大连深蓝泵业有限公司 | Solar energy thermal-power-generating high-temperature long-shaft pump for liquid salts |
| CN107355389B (en) * | 2017-08-18 | 2024-01-09 | 大连深蓝泵业有限公司 | Solar thermal power generation high-temperature long-axis molten salt pump |
| CN108167195A (en) * | 2017-12-27 | 2018-06-15 | 中国科学院上海应用物理研究所 | A kind of superelevation temperature molten salt shaft seal pump |
| CN109139485A (en) * | 2018-10-30 | 2019-01-04 | 江苏双达泵业股份有限公司 | A kind of high-temperature long-shaft pump for liquid salts |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150422 |
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| RJ01 | Rejection of invention patent application after publication |