CN108005916A - Long-shaft type fused salt Pump Characteristic Test System - Google Patents
Long-shaft type fused salt Pump Characteristic Test System Download PDFInfo
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- CN108005916A CN108005916A CN201711259403.8A CN201711259403A CN108005916A CN 108005916 A CN108005916 A CN 108005916A CN 201711259403 A CN201711259403 A CN 201711259403A CN 108005916 A CN108005916 A CN 108005916A
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- fused salt
- long
- shaft type
- pump
- tank body
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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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of long-shaft type fused salt Pump Characteristic Test System, including long-shaft type pump for liquid salts, tank body and fused salt heating storage tank, circulation line, characterized by further comprising two support towers, tank body and fused salt heating storage tank are hung on respective support tower respectively, long-shaft type pump for liquid salts is also arranged on the support tower of installation tank body, the impeller of long-shaft type pump for liquid salts is placed in tank body, storage tank is heated with fused salt by pipeline and is connected in the outlet of long-shaft type pump for liquid salts, the bottom of fused salt heating storage tank is connected by pipeline with the bottom of tank body, and electrical heating elements are equipped with fused salt heating storage tank；The top of fused salt heating storage tank is higher than impeller.The present invention can effectively eliminate the thermal stress in system, the reference for installation of pump for liquid salts can be avoided the exceptions such as deformation, pump shaft generation deflection occur, it is ensured that safe and reliable operation of the pump for liquid salts in performance test, improves the accuracy of test.
Description
Technical field
The present invention relates to a kind of Performance Test System of pump, the system especially suitable for long-shaft type pump for liquid salts performance test.
Background technology
For pump for liquid salts as the important equipment in solar power system, its medium conveyed is high temperature melting under long-shaft type liquid
Salt, service condition is very harsh, needs to survey the indexs such as pump discharge, lift, temperature of key part, vibration and noise before dispatching from the factory
Examination, it is safe and reliable using long-play to ensure；Existing performance test runtime, the outlet of pump for liquid salts by pipeline with
Fused salt tank is connected directly, its impeller is arranged in fused salt tank, to form the circulatory system；But fused salt tank is placed on ground, due to fused salt
Temperature it is higher, range up to 600 DEG C, pump for liquid salts and line temperature are higher, and Installed System Memory, and can not in larger thermal stress
The thermal stress is effectively eliminated, the reference for installation for causing to be installed on the pump for liquid salts at the top of fused salt tank easily occurs expanding, deforms, pump shaft production
Raw deflection etc., it is difficult to ensure normal operation of the pump for liquid salts in performance test, have impact on the accuracy of test.
The content of the invention
The purpose of the present invention is for deficiencies of the prior art, there is provided a kind of long-shaft type pump for liquid salts performance test
System, it can effectively eliminate the thermal stress in system, and the reference for installation of pump for liquid salts can be avoided deformation, pump shaft generation deflection occur
Deng, it is ensured that reliable and secure operation of the pump for liquid salts in performance test, improves the accuracy of test.
To reach above-mentioned purpose, long-shaft type fused salt Pump Characteristic Test System of the invention, including long-shaft type pump for liquid salts, tank body
Storage tank is heated with fused salt, it is characterised in that further includes two support towers, tank body and fused salt heating storage tank hang on respective respectively
On support tower, long-shaft type pump for liquid salts is also arranged on the support tower of installation tank body, and the impeller of long-shaft type pump for liquid salts is placed in tank body, long
The outlet of shaft type pump for liquid salts heats storage tank by pipeline and fused salt and is connected, and the bottom of fused salt heating storage tank passes through pipeline and tank body
Bottom is connected, and electrical heating elements are equipped with fused salt heating storage tank；The top of fused salt heating storage tank is higher than impeller；So that fused salt heats
Fused salt liquid level can flood impeller in storage tank.
In use, since tank body and fused salt heating storage tank are hung on respective support tower, its bottom is free state,
It freely can downwards expand, significantly reduce the thermal stress that flow of metal induces under hot conditions；Fused salt liquid level is located at tank
Body lower part, tank body wall temperature are decayed upwards, and the tank body temperature rise at the top of support tower is smaller, and thermal denaturation is small, it is ensured that at the top of support tower
The levelness of plane, the above can effectively eliminate the thermal stress in system, and the reference for installation of pump for liquid salts can be avoided deformation, pump occur
Axis produces deflection etc., it is ensured that pump for liquid salts is safe and reliable in performance test, improves the accuracy of test；
As a further improvement on the present invention, the tank body includes the upper tank body and lower tank being connected by flange；It can be easy to change
Become lower tank, the height of support tower, the pump for liquid salts of depth under different liquid is tested；
As a further improvement on the present invention, the outlet of long-shaft type pump for liquid salts and fused salt heating storage tank and fused salt heating storage tank with
Longitudinal metal wave duct expansion joint and horizontal metal wave duct expansion joint are equipped with the pipeline that tank body is connected；Pipeline can be effectively eliminated to exist
Thermal stress and deformation on longitudinal direction and horizontal direction, avoid support tower, tank body, fused salt heating storage tank and pump for liquid salts from bearing pipeline and draw
The thermal stress risen, further improves the accuracy of test；
As a further improvement on the present invention, be equipped with valve on the pipeline that is connected with tank body of fused salt heating storage tank, the valve and
Pipeline between tank body is also connected by emptying valve and connecting tube with remaining fused salt storage tank；Lead to a closing after testing to test back
Road main valve, opens emptying valve, and remaining fused salt in pipeline is drained into remaining fused salt storage tank, avoids condensing in pipeline, ensures
Test next time is smoothed out；
In conclusion the present invention can effectively eliminate the thermal stress in system, the reference for installation of pump for liquid salts can be avoided deformation, pump occur
It is abnormal that axis produces deflection etc., it is ensured that pump for liquid salts is safe and reliable in performance test, improves the accuracy of test.
Brief description of the drawings
Fig. 1 is the front view of the embodiment of the present invention.
Embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
As shown in Figure 1, the long-shaft type fused salt Pump Characteristic Test System, including long-shaft type pump for liquid salts 1, tank body 2 and fused salt add
3, two support towers 4,5 of hot tank, tank body 2 include the upper tank body and lower tank being connected by flange, tank body 2 and fused salt heating storage
Tank 3 is hung on respective support tower 4 or 5 respectively, and the bottom of tank body 2 and fused salt heating storage tank 3 with ground is in gap setting；
Long-shaft type pump for liquid salts 1 is also arranged on support tower 4, and the impeller 6 of long-shaft type pump for liquid salts 1 is placed in tank body 2, long-shaft type pump for liquid salts 1
Outlet heats storage tank 3 with fused salt by pipeline 7 and is connected, and fused salt heats the bottom phase that the bottom of storage tank 3 passes through pipeline 8 and tank body 2
Even, heated in the outlet of long-shaft type pump for liquid salts 1 with fused salt in the pipeline 7,8 that storage tank 3 and fused salt heating storage tank 3 are connected with tank body 2
Longitudinal metal wave duct expansion joint 9 and horizontal metal wave duct expansion joint 10 are equipped with, is connected in fused salt heating storage tank 3 with tank body 2
Pipeline 8 is equipped with valve 11, and the pipeline 8 between the valve 11 and tank body 2 is also melted by emptying valve 12 and connecting tube with remnants
Salt storage tank 13 is connected；Electrical heating elements 14 are equipped with fused salt heating storage tank 3, the top of fused salt heating storage tank 3 is higher than impeller 6；Make
The fused salt liquid level obtained in fused salt heating storage tank 3 can flood impeller 6.
In use, by electrical heating elements 14, salt grain fused salt heated in storage tank 3 melts, and fused salt can automatically flow into tank
In body 2, long-shaft type pump for liquid salts 1 starts, aspirates fused salt and is sent into fused salt heating storage tank 3, forms closed circuit, in the process
Long-shaft type pump for liquid salts 1 can be tested for the property；Due to tank body 2 and fused salt heating storage tank 3 hang on respective support tower 4 or
On 5, its bottom is free state, can freely be expanded downwards, significantly reduces what flow of metal under worst hot case induced
Thermal stress, and most of fused salt is stored in fused salt heating storage tank 3, the fused salt into tank body 2 is less, and tank body wall temperature is decayed upwards,
Temperature rise at the top of support tower 4 is smaller, it is ensured that the levelness of 4 top planes of support tower, the above can be effectively eliminated in system
Thermal stress, can avoid that deformation occurs in the reference for installation of pump for liquid salts 1, that pump shaft produces deflection etc. is abnormal, it is ensured that pump for liquid salts 1 is in property
Safe and reliable operation when can test, improves the accuracy of test；It can be easy to change the height of lower tank by flanged joint,
Tested with the pump for liquid salts to depth under different liquid；Each longitudinal metal wave duct expansion joint 9 and horizontal metal wave duct expansion joint
10, thermal stress and deformation of the pipeline on longitudinal direction and horizontal two-dimension direction can be effectively eliminated, avoid support tower 4,5, it is tank body 2, molten
Salt heats storage tank 3 and pump for liquid salts 1 bears thermal stress caused by pipeline, avoids the occurrence of deflection, improves the security of operation, further
Improve the accuracy of test；After testing, valve 11 is closed, opens emptying valve 12, the fused salt in pipeline is drained into remaining molten
In salt storage tank 13, avoid condensing in pipeline, ensure being smoothed out for test next time.
Claims (4)
1. a kind of long-shaft type fused salt Pump Characteristic Test System, including long-shaft type pump for liquid salts, tank body and fused salt heating storage tank, its feature
It is to further include two support towers, what tank body and fused salt heating storage tank were hung respectively is coupled on respective support tower, and long-shaft type melts
Salt pump is also arranged on the support tower of installation tank body, and the impeller of long-shaft type pump for liquid salts is placed in tank body, the outlet of long-shaft type pump for liquid salts
Storage tank is heated by pipeline with fused salt to be connected, the bottom of fused salt heating storage tank is connected by pipeline with the bottom of tank body, and fused salt adds
Electrical heating elements are equipped with hot tank；The top of fused salt heating storage tank is higher than impeller.
2. long-shaft type fused salt Pump Characteristic Test System as claimed in claim 1, it is characterised in that the tank body includes passing through method
Orchid connected upper tank body and lower tank.
3. long-shaft type fused salt Pump Characteristic Test System as claimed in claim 1 or 2, it is characterised in that in long-shaft type pump for liquid salts
Outlet heated with fused salt heating storage tank and fused salt be equipped with the pipeline that is connected with tank body of storage tank longitudinal metal wave duct expansion joint and
Horizontal metal wave duct expansion joint.
4. the long-shaft type fused salt Pump Characteristic Test System as described in claim 1 or 2 or 3, it is characterised in that heat and store up in fused salt
The pipeline that tank is connected with tank body is equipped with valve, the pipeline between the valve and tank body also by empty valve and connecting tube with it is residual
Remaining fused salt storage tank is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711259403.8A CN108005916B (en) | 2017-12-04 | 2017-12-04 | Long-shaft type fused salt Pump Characteristic Test System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711259403.8A CN108005916B (en) | 2017-12-04 | 2017-12-04 | Long-shaft type fused salt Pump Characteristic Test System |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108005916A true CN108005916A (en) | 2018-05-08 |
| CN108005916B CN108005916B (en) | 2019-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711259403.8A Active CN108005916B (en) | 2017-12-04 | 2017-12-04 | Long-shaft type fused salt Pump Characteristic Test System |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006212621A (en) * | 2005-02-03 | 2006-08-17 | Korea Atomic Energy Research Inst | Molten-salt metering/solidifying apparatus and method using vacuum transfer and double-walled vessel |
| CN103115001A (en) * | 2013-01-29 | 2013-05-22 | 南京工业大学 | External characteristic and internal flow measurement test device of molten salt model pump |
| CN203906318U (en) * | 2014-06-16 | 2014-10-29 | 张栋 | Molten salt pump system capable of operating under pressure |
| KR20140134744A (en) * | 2013-05-02 | 2014-11-25 | 한국원자력연구원 | Portable and remote molten salt transfer apparatus |
| CN107131119A (en) * | 2017-04-01 | 2017-09-05 | 江苏大学 | High-temperature melting salt pump compbined test detection means under a kind of long-shaft liquid |
-
2017
- 2017-12-04 CN CN201711259403.8A patent/CN108005916B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006212621A (en) * | 2005-02-03 | 2006-08-17 | Korea Atomic Energy Research Inst | Molten-salt metering/solidifying apparatus and method using vacuum transfer and double-walled vessel |
| CN103115001A (en) * | 2013-01-29 | 2013-05-22 | 南京工业大学 | External characteristic and internal flow measurement test device of molten salt model pump |
| KR20140134744A (en) * | 2013-05-02 | 2014-11-25 | 한국원자력연구원 | Portable and remote molten salt transfer apparatus |
| CN203906318U (en) * | 2014-06-16 | 2014-10-29 | 张栋 | Molten salt pump system capable of operating under pressure |
| CN107131119A (en) * | 2017-04-01 | 2017-09-05 | 江苏大学 | High-temperature melting salt pump compbined test detection means under a kind of long-shaft liquid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108005916B (en) | 2019-04-30 |
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