CN108331745B - A kind of high-temperature pump pilot system and test method - Google Patents
A kind of high-temperature pump pilot system and test method Download PDFInfo
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- CN108331745B CN108331745B CN201810275310.2A CN201810275310A CN108331745B CN 108331745 B CN108331745 B CN 108331745B CN 201810275310 A CN201810275310 A CN 201810275310A CN 108331745 B CN108331745 B CN 108331745B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The present invention is a kind of high-temperature pump test pipe-line system, the high-temperature pump pilot system includes high-temperature pump pump head, heat shield assembly, torquemeter, motor, outlet elbow, pressure-measuring pipe, pressure measurement valve, flow slowly partition, connecting tube one, thermal insulation barn, outlet valve, flowmeter, leak-off pipe one, eduction valve one, eduction valve two, leak-off pipe two, drainage tube, drain outlet, test tank, fluid reservoir, pressure maintaining valve one, air accumulator, non-return valve, pressure maintaining valve, air compressor, by way of carrying out closing heating to entire pilot system, guarantee high-temperature pump normal assays under the temperature case of test requirements document, improve the ease for operation of high temperature pump testing, reduce the technical difficulty of high-temperature molten salt pump testing.
Description
Technical field
It is a kind of to be directed to test pump performance test under worst hot case the invention mainly relates to fluid machinery experimental rig
Test pipe-line system.
Background technique
Fused salt is a kind of fuse salt that physical characteristic is excellent at present, is solid-state under room temperature.Fused salt conductivity is higher, uses
Temperature range is also relatively wide, and steam forces down, and thermal capacity is big, and chemical property is stablized.These advantages make fused salt keep fused salt extensive
Ground is used as heat-storing material and heat transfer medium.High-temperature melting salt pump is the delivery pump of fused-salt medium, is widely used in chemical industry, nuclear energy
And field of solar energy.In chemical field, pump for liquid salts is generally used for the system of the chemical products such as melamine, salt manufacturing, alkaline or urea
Standby process, the substances such as nitrate, the caustic soda of delivery temperature between 400~460 DEG C；In the following advanced nuclear energy and photo-thermal power station
In, molten pump is mainly used for the conveying of accumulation of heat and heat transfer medium, and conveying is with excellent mixed of higher heat storage capacity, heating conduction
Molten salts is closed, medium temperature may be up to 700 DEG C, even more than 1000 DEG C.For a long time, domestic chemical industry and metallurgical engineering institute
It is dependent on import greatly with pump for liquid salts, due to running temperature height, the pump for liquid salts time between overhauls(TBO) is also relatively long, once it breaks down, meeting
To the heavy huge economic loss of manufacturing band.The present invention provides a kind of high-temperature pump test pipe-line system, by entire test
System carries out the mode of closing heating, guarantees high-temperature pump normal assays under the temperature case of test requirements document, when test, high-temperature stream
Body is full of pipeline, and when non-test, high temperature fluid is collected in fluid reservoir, and high-temperature pump passes through automatic coupling device and the pipeline that pumps up water
It is connected, it is easy to install, quick detachable.
Summary of the invention
Present invention aim to address the problems for being difficult to be tested or hot test is at high cost of high-temperature pump.Due to molten
Salt is used for accumulation of heat and heat transfer medium, and operating temperature may be up to 700 DEG C, even more than 1000 DEG C, and technical requirements are high, the present invention
A kind of high-temperature pump pilot system is provided, by way of carrying out closing heating to entire pilot system, guarantees that high-temperature pump is being tested
It is required that temperature case under normal assays, when test, high temperature fluid is full of pipeline, and when non-test, high temperature fluid is collected in liquid storage
In tank, and high-temperature pump is connected by automatic coupling device with the pipeline that pumps up water, easy to install, quick detachable, improves high temperature pump testing
Ease for operation reduces the technical difficulty of high-temperature molten salt pump testing.
A kind of high-temperature pump pilot system, including be placed in high-temperature pump pump head inside thermal insulation barn, outlet elbow, connecting tube one,
Outlet valve, flowmeter, leak-off pipe one, eduction valve one, eduction valve two, leak-off pipe two, drainage tube, test tank and fluid reservoir, set
Heat shield assembly, torquemeter, motor, pressure maintaining valve one, air accumulator, non-return valve, pressure maintaining valve and air compression outside thermal insulation barn
Machine；
The high-temperature pump pump head is sequentially arranged above with heat shield assembly, torquemeter, motor；
The high-temperature pump pump head is placed in test tank, be equipped with below high-temperature pump pump head by automatic coupling device export it is curved
Pipe；The other end of outlet elbow is bolted in connecting tube one, and connecting tube one is welded on test tank and extends to examination
It tests other than tank, is additionally provided with flowmeter and outlet valve in the connecting tube one outside test tank；High-temperature pump pump head, outlet elbow, company
Adapter tube one, flowmeter, outlet valve and its open circuit of connecting line composition connection；
Fluid reservoir is placed in below test tank；It is equipped with leak-off pipe two in test pot bottom, passes through eduction valve two and fluid reservoir
Connection is equipped with leak-off pipe one in connecting tube one, is connected to by eduction valve one with fluid reservoir；
The fluid reservoir is closed system, wherein filling test(ing) medium, air inlet pipeline, air compression are equipped on fluid reservoir
Machine is successively connected with pressure maintaining valve, non-return valve, air accumulator, pressure maintaining valve one, and is connected to by air inlet pipeline with fluid reservoir, forms gas
Transfer pipeline；
Fluid reservoir is additionally provided with drainage tube, and liquid storage pot bottom is extended under drainage tube, above extends to test tank.
Straight length of pipe before and after flowmeter is greater than flowmeter internal diameter again.
In test tank positioned inside unhurried current partition, the unhurried current partition is placed in the outlet of the import and open circuit of high-temperature pump
Between, influence of the buffer outlet turbulent flow to pump inlet stream.
It is equipped with pressure-measuring pipe in the exit of high-temperature pump, pressure-measuring pipe extends to outside thermal insulation barn, and is equipped with pressure measurement valve.It surveys
The diameter of pressure pipe is 5mm to 15mm.
Test(ing) medium is high-temperature molten salt, LBE or high temperature fluent metal, and test temperature is 200~1000 DEG C.
A kind of test method of high-temperature pump pilot system of the present invention, includes the following steps:
When test: being heated to thermal insulation barn, make the temperature required by pump testing that reaches a high temperature inside thermal insulation barn, closing is let out
Valve one and eduction valve two are flowed, outlet valve is opened, opens air compressor, air compressor conveying inert gas enters gas storage
Then tank enters fluid reservoir by pressure maintaining valve one, fluid reservoir is closed system, with the increase of liquid storage pressure inside the tank, fluid reservoir
In test(ing) medium flow to drainage outlet from drainage tube, finally flow into test tank, when in test tank liquid capacity meet examination
Requirement is tested, booting carries out pump testing；
When non-test: closing pressure maintaining valve one, open eduction valve one and eduction valve two, the height in test tank and its test pipeline
Warm fluid enters fluid reservoir, closes heating system in thermal insulation barn, Temperature fall.
Beneficial effects of the present invention are as follows:
By way of carrying out closing heating to entire pilot system, guarantee high-temperature pump under the temperature case of test requirements document
Normal assays, it is easy to install, quick detachable, the ease for operation of high temperature pump testing is improved, the technology of high-temperature molten salt pump testing is reduced
Difficulty.
Detailed description of the invention
Fig. 1 is that a kind of high-temperature pump of the present invention tests pipeline systematic schematic diagram；
Description of symbols:
1. pressure is surveyed in high-temperature pump pump head, 2. heat shield assemblies, 3. torquemeters, 4. motors, 5. outlet elbows, 6. pressure-measuring pipes, 7.
Valve, 8. unhurried current partitions, 9. connecting tubes one, 10. thermal insulation barns, 11. outlet valves, 12. flowmeters, 13. leak-off pipes one, 14. are let out
Flow valve one, 15. eduction valves two, 16. leak-off pipes two, 17. drainage tubes, 18. drainage outlets, 19. test tanks, 20. fluid reservoirs,
21. pressure maintaining valve one, 22. air accumulators, 23. non-return valves, 24. pressure maintaining valves, 25. air compressors.
Specific embodiment
Fig. 1 is that a kind of high-temperature pump of the present invention tests pipeline systematic schematic diagram.
A kind of high-temperature pump pilot system, including high-temperature pump pump head 1, the outlet elbow 5, connecting tube being placed in inside thermal insulation barn 10
One 9, outlet valve 11, flowmeter 12, leak-off pipe 1, eduction valve 1, eduction valve 2 15, leak-off pipe 2 16, drainage tube 17,
Test tank 19 and fluid reservoir 20, heat shield assembly 2, torquemeter 3, motor 4, the pressure maintaining valve 1, storage being placed in outside thermal insulation barn 10
Gas tank 22, non-return valve 23, pressure maintaining valve 24 and air compressor 25；
The high-temperature pump pump head 1 is sequentially arranged above with heat shield assembly 2, torquemeter 3, motor 4；
The high-temperature pump pump head 1 is placed in test tank 19, is equipped with out below high-temperature pump pump head 1 by automatic coupling device
Mouth bend pipe 5；The other end of outlet elbow 5 is bolted in connecting tube 1, and connecting tube 1 is welded on test tank 19
And extend to other than test tank 19, flowmeter 12 and outlet valve 11 are additionally provided in the connecting tube 1 outside test tank 19；High temperature
Pump head 1, outlet elbow 5, connecting tube 1, flowmeter 12, outlet valve 11 and its open type of connecting line composition connection is pumped to return
Road；
Fluid reservoir 20 is placed in 19 lower section of test tank；It is equipped with leak-off pipe 2 16 in 19 bottom of test tank, passes through eduction valve two
15 are connected to fluid reservoir 20, and leak-off pipe 1 is equipped in connecting tube 1, is connected to by eduction valve 1 with fluid reservoir 20；
The fluid reservoir 20 is closed system, wherein filling test(ing) medium, air inlet pipeline, air are equipped on fluid reservoir 20
Compressor 25 is successively connected with pressure maintaining valve 24, non-return valve 23, air accumulator 22, pressure maintaining valve 1, and passes through air inlet pipeline and liquid storage
Tank 20 is connected to, and forms gas transfer pipeline；
Fluid reservoir 20 is additionally provided with drainage tube 17, and 20 bottom of fluid reservoir is extended under drainage tube 17, above extends to test tank 19.
The straight length of pipe of 12 front and back of flowmeter is greater than 8 times of flowmeter internal diameter.
It flows slowly partition 8 in test tank 19 positioned inside, the unhurried current partition 8 is placed in import and the open circuit of high-temperature pump
Between outlet, influence of the buffer outlet turbulent flow to pump inlet stream.
It is equipped with pressure-measuring pipe 6 in the exit of high-temperature pump, pressure-measuring pipe 6 extends to outside thermal insulation barn 10, and is equipped with pressure valve
Door 7.The diameter of pressure-measuring pipe 6 is 8mm to 15mm.
Test(ing) medium is high-temperature molten salt, LBE or high temperature fluent metal, and test temperature is 200~1000 DEG C.
A kind of test method of high-temperature pump pilot system of the present invention, includes the following steps:
When test: being heated to thermal insulation barn 10, make the temperature required by pump testing that reaches a high temperature inside thermal insulation barn 10, closed
Eduction valve 1 and eduction valve 2 15 are closed, outlet valve 11 is opened, opens air compressor 25, air compressor 25 conveys inertia
Gas enters air accumulator 22, then enters fluid reservoir 20 by pressure maintaining valve 1, fluid reservoir 20 is closed system, with fluid reservoir
The increase of pressure in 20, the test(ing) medium in fluid reservoir 20 flow to drainage outlet 18 from drainage tube 17, finally flow into test tank
19, when the liquid capacity in test tank 19 meets test requirements document, booting carries out pump testing；
When non-test: closing pressure maintaining valve 1, open eduction valve 1 and eduction valve 2 15, test tank 19 and its developmental tube
High temperature fluid in road enters fluid reservoir 20, closes heating system in thermal insulation barn 10, Temperature fall.
Claims (7)
1. a kind of high-temperature pump pilot system, which is characterized in that including thermal insulation barn (10), the inside of the thermal insulation barn (10) is equipped with height
Temperature pump pump head (1), outlet elbow (5), connecting tube one (9), outlet valve (11), flowmeter (12), leak-off pipe one (13), aerial drainage
Valve one (14), eduction valve two (15), leak-off pipe two (16), drainage tube (17), test tank (19) and fluid reservoir (20), the heat preservation
Heat shield assembly (2), torquemeter (3), motor (4), pressure maintaining valve one (21), the air accumulator (22), non-return valve of the outside in storehouse (10)
(23), pressure maintaining valve (24) and air compressor (25)；
The high-temperature pump pump head (1) is sequentially arranged above with heat shield assembly (2), torquemeter (3), motor (4)；
The high-temperature pump pump head (1) is placed in test tank (19), is equipped with below high-temperature pump pump head (1) by automatic coupling device
Outlet elbow (5)；The other end of outlet elbow (5) is bolted in connecting tube one (9), and connecting tube one (9) is welded on
It on test tank (19) and extends to other than test tank (19), is additionally provided with flowmeter in the connecting tube one (9) of test tank (19) outside
(12) and outlet valve (11)；High-temperature pump pump head (1), outlet elbow (5), connecting tube one (9), flowmeter (12), outlet valve
(11) and its connecting line forms the open circuit being connected to；
Fluid reservoir (20) is placed in below test tank (19)；It is equipped with leak-off pipe two (16) in test tank (19) bottom, passes through aerial drainage
Valve two (15) is connected to fluid reservoir (20), and leak-off pipe one (13) is equipped in connecting tube one (9), passes through eduction valve one (14) and storage
Flow container (20) connection；
The fluid reservoir (20) is closed system, wherein filling test(ing) medium, air inlet pipeline, air are equipped on fluid reservoir (20)
Compressor (25) is successively connected with pressure maintaining valve (24), non-return valve (23), air accumulator (22), pressure maintaining valve one (21), and passes through air inlet
Pipeline is connected to fluid reservoir (20), forms gas transfer pipeline；
Fluid reservoir (20) is additionally provided with drainage tube (17), and fluid reservoir (20) bottom is extended under drainage tube (17), above extends to test tank
(19)。
2. a kind of high-temperature pump pilot system as described in claim 1, which is characterized in that the straight tube road before and after flowmeter (12) is long
Degree is greater than 8 times of flowmeter internal diameter.
3. a kind of high-temperature pump pilot system as described in claim 1, which is characterized in that flow slowly in test tank (19) positioned inside
Partition (8), the unhurried current partition (8) are placed between the import of high-temperature pump and the outlet of open circuit.
4. a kind of high-temperature pump pilot system as described in claim 1, which is characterized in that be equipped in the exit of high-temperature pump and survey pressure
It manages (6), it is external that pressure-measuring pipe (6) extends to thermal insulation barn (10), and is equipped with pressure measurement valve (7).
5. a kind of high-temperature pump pilot system as claimed in claim 4, which is characterized in that the diameter of pressure-measuring pipe (6) be 8mm extremely
15mm。
6. a kind of high-temperature pump pilot system as described in claim 1, which is characterized in that test(ing) medium is high-temperature molten salt, liquid
Lead bismuth alloy (LBE) or high temperature fluent metal, test temperature are 200~1000 DEG C.
7. a kind of test method of high-temperature pump pilot system as described in any one of claims 1 to 6, which is characterized in that including
Following steps:
When test: being heated to thermal insulation barn (10), make the temperature required by pump testing that reaches a high temperature inside thermal insulation barn (10), closed
Eduction valve one (14) and eduction valve two (15) are closed, is opened outlet valve (11), is opened air compressor (25), air compressor
(25) conveying inert gas enters air accumulator (22), then enters fluid reservoir (20) by pressure maintaining valve one (21), fluid reservoir (20)
For closed system, with the increase of fluid reservoir (20) interior pressure, the test(ing) medium in fluid reservoir (20) is flow to from drainage tube (17)
Drain outlet (18), finally flow into test tank (19), when the liquid capacity in test tank (19) meets test requirements document, be switched on into
Row pump testing；
When non-test: closing pressure maintaining valve one (21), open eduction valve one (14) and eduction valve two (15), test tank (19) and its examination
The high temperature fluid tested in pipeline enters fluid reservoir (20), closes thermal insulation barn (10) interior heating system, Temperature fall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810275310.2A CN108331745B (en) | 2018-03-30 | 2018-03-30 | A kind of high-temperature pump pilot system and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810275310.2A CN108331745B (en) | 2018-03-30 | 2018-03-30 | A kind of high-temperature pump pilot system and test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108331745A CN108331745A (en) | 2018-07-27 |
| CN108331745B true CN108331745B (en) | 2019-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810275310.2A Active CN108331745B (en) | 2018-03-30 | 2018-03-30 | A kind of high-temperature pump pilot system and test method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318992B (en) * | 2019-06-18 | 2020-09-25 | 江苏大学 | High-temperature molten salt medium wing type cavitation visualization test device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0506511D0 (en) * | 2005-03-31 | 2005-05-04 | British Nuclear Fuels Plc | Use of fluidic pumps |
| CN104373339B (en) * | 2014-11-28 | 2016-06-15 | 南京工业大学 | High-temperature molten salt pump external characteristic test device |
| CN107035675B (en) * | 2017-05-18 | 2019-03-12 | 上海交通大学 | The small-sized cryogenic liquid Pump Characteristic Test System of vacuum insulation protection |
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| CN108331745A (en) | 2018-07-27 |
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