CN108240318A - Cryogenic jet pump platform - Google Patents
Cryogenic jet pump platform Download PDFInfo
- Publication number
- CN108240318A CN108240318A CN201810025850.5A CN201810025850A CN108240318A CN 108240318 A CN108240318 A CN 108240318A CN 201810025850 A CN201810025850 A CN 201810025850A CN 108240318 A CN108240318 A CN 108240318A
- Authority
- CN
- China
- Prior art keywords
- jet pump
- heat exchange
- liquid
- pipeline
- liquid nitrogen
- 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.)
- Granted
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 86
- 239000007788 liquid Substances 0.000 claims abstract description 85
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 43
- 239000007921 spray Substances 0.000 claims abstract description 37
- 238000002347 injection Methods 0.000 claims abstract description 14
- 239000007924 injection Substances 0.000 claims abstract description 14
- 239000006200 vaporizer Substances 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000011056 performance test Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract 1
- 238000013112 stability test Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 12
- 238000005057 refrigeration Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a cryogenic spray pump platform, comprising: the low-temperature jet pump platform comprises a gas reservoir, an inlet flowmeter, a heat exchange coil, a liquid nitrogen tank, a cold box, a jet pump, a liquid nitrogen liquid bag, a vaporizer and an outlet flowmeter, wherein the gas reservoir is connected with one end of the inlet flowmeter through a pipeline, the other end of the inlet flowmeter is connected with one end of the heat exchange coil through a pipeline, the heat exchange coil is soaked in the liquid nitrogen tank, the other end of the heat exchange coil is connected with a working flow inlet end of the jet pump through a pipeline, an injection flow inlet end of the jet pump is connected with the lower end of the liquid nitrogen liquid bag through a pipeline, a mixed flow outlet end of the jet pump is connected with one end of the vaporizer through a pipeline, the other end of the vaporizer is connected with the outlet flowmeter through a pipeline, the low-temperature jet pump platform can be used for performing performance tests and experiments on the low-temperature jet, a long-term stability test can be achieved.
Description
Technical field
The present invention relates to cryogenic refrigeration more particularly to a kind of cryogenic spray pump platforms.
Background technology
With the continuous development of low temperature field technology, exist including aerospace, nuclear energy research, Medical Devices, Scientific Engineering
Interior multiple fields, the demand to Cryo Equipment are continuously increased.During low temperature environment is built, requirement of the user to cold
Also it is continuously improved.In terms of refrigeration machine particularly the large-scale low-temperature refrigeration machine and liquefier of existing certain fixing model, cold provides work(
Rate is relatively fixed, and adjusting range is relatively small, therefore in actual use can there are loss of refrigeration capacity during cold redundancy
The situation of cooling refrigeration requirement can not be realized when situation and cold deficiency, which greatly reduces the effect of refrigeration machine or liquefier
Rate increases energy consumption and cost.
The existing cryogenic liquid using in ice chest, frequently with the cryogenic pump of motor-driven, this kind pump often immerses or half soaks
Enter cryogenic liquid, the cryogenic pump heat dissipation of motor-driven during the work time can accelerate the evaporation of cryogenic liquid, lead to low temperature
The loss of cold under environment, thus cause huge energy loss and waste.Simultaneously there is movement in motor-driven cryogenic pump
Component, there are problems in terms of operation stability and service life.
Jet pump has the characteristics that simple in structure, movement-less part, stable, leakage small make it extremely be suitable in itself
In the application of cryogenic system.Existing cryogenic spray pump is all same phase jet pump, i.e., ejection gas is gone to realize expansion using gas
Etc. functions, there is no the covert jet pump of third class at low temperature, that is, utilize cryogenic gas injection cryogenic liquid.Under room temperature high temperature
The design method of covert jet pump be not suitable for designing under low temperature, main problem is：1. Physical Properties of Low Temperature and room temperature high temperature physical property
Larger difference, the design difficulty of covert injector interior nozzle divergence section under 2. low temperature, the shape of nozzle rear shock under 3. low temperature
It is problematic etc..
Therefore a kind of equipment and a kind of without motion that can adjust the particularly large-scale refrigeration machine of refrigeration machine and liquefier is developed
The stable cryogenic pump of component has great importance and application prospect.
Invention content
Have in view of that, it is necessary to which a kind of cryogenic spray pump platform is provided, it is intended to for carrying out not equality of temperature to cryogenic spray pump
Spend the test and experiment of different pressures.
To achieve the above object, the present invention uses following technical proposals:
Cryogenic spray provided by the invention pumps platform,
Including：Air reservoir, inlet flow rate meter, heat exchange coil, liquid nitrogen tank, ice chest, jet pump, liquid nitrogen liquid packet, vaporizer and go out
Mouth flowmeter, the jet pump and the liquid nitrogen liquid packet are set in the ice chest, wherein：
The air reservoir connects one end of the inlet flow rate meter by pipeline, and the other end of the inlet flow rate meter passes through pipe
Road connects one end of the heat exchange coil, and the heat exchange coil is soaked in the liquid nitrogen tank, the other end of the heat exchange coil
The workflow portal end of the jet pump is connected by pipeline, described in the flow type pump with injection arrival end of the jet pump is connected by pipeline
The lower end of liquid nitrogen liquid packet, the mixed flow port of export of the jet pump connect one end of the vaporizer, the vaporization by pipeline
The other end of device connects the outlet stream gauge by pipeline.
In some preferred embodiment, it is provided with out between the workflow portal end of the jet pump and the mixed flow port of export
Entrance difference gauge.
In some preferred embodiment, the workflow portal end of the jet pump is provided with head pressure gage and inlet temperature
Meter.
In some preferred embodiment, the mixed flow port of export of the jet pump is provided with discharge gage and outlet temperature
Meter.
In some preferred embodiment, the flow type pump with injection arrival end of the jet pump is provided with injection thermometer.
In some preferred embodiment, the working fluid of the jet pump be low temperature high pressure gas or cryogenic liquid, it is described
The driving fluid of jet pump is cryogenic liquid.
In some preferred embodiment, the upper end of the liquid nitrogen liquid packet is provided with woven hose.
In some preferred embodiment, the upper end of the liquid nitrogen liquid packet is provided with safety valve.
In some preferred embodiment, it is provided with liquid level gauge between the both ends of the liquid nitrogen liquid packet.
In some preferred embodiment, more valve group heat exchange control pipes are further included, more valve group heat exchange control pipes
One end is connected to the heat exchange coil, and high pressure is controlled by the switch for controlling different valves in more valve group heat exchange control pipes
Gas heat-exchange time length in heat exchange coil, the work of the other end and the jet pump of more valve group heat exchange control pipes
Inflow entrance end is connected
The present invention can realize following advantageous effects using above-mentioned technical proposal：
Cryogenic spray provided by the invention pumps platform, including：Air reservoir, inlet flow rate meter, heat exchange coil, liquid nitrogen tank, ice chest,
Jet pump, liquid nitrogen liquid packet, vaporizer and outlet stream gauge, the jet pump and the liquid nitrogen liquid packet are set in the ice chest,
The air reservoir connects one end of the inlet flow rate meter by pipeline, and the other end of the inlet flow rate meter connects institute by pipeline
One end of heat exchange coil is stated, the heat exchange coil is soaked in the liquid nitrogen tank, and the other end of the heat exchange coil passes through pipeline
The workflow portal end of the jet pump is connected, the flow type pump with injection arrival end of the jet pump connects the liquid nitrogen liquid packet by pipeline
Lower end, the mixed flow port of export of the jet pump connects one end of the vaporizer by pipeline, the vaporizer it is another
End connects the outlet stream gauge by pipeline, and above-mentioned cryogenic spray pump platform structure is simple, and inner inorganic tool moving component,
It is stable；The performance carried out under different temperatures different pressures can be pumped to cryogenic spray using above-mentioned cryogenic spray pump platform to survey
Examination and experiment, while convenient for the cryogenic spray pump of test different model size, the test preparatory period is short, at low cost, it can be achieved that long
The steady testing of time.
Description of the drawings
Fig. 1 is the structure diagram that the cryogenic spray that the embodiment of the present invention 1 provides pumps platform.
Fig. 2 is the structure diagram that the cryogenic spray that the embodiment of the present invention 2 provides pumps platform.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1
Referring to Fig. 1, structural representation Figure 10 of platform is pumped for the cryogenic spray that the embodiment of the present invention 1 provides, including：Air reservoir
110th, inlet flow rate meter 120, heat exchange coil 130, liquid nitrogen tank 140, ice chest 150, jet pump 160, liquid nitrogen liquid packet 170, vaporizer
180 and outlet stream gauge 190.The jet pump 160 and the liquid nitrogen liquid packet 170 are set in the ice chest 150.In detailed below
Illustrate its working method.
The air reservoir 110 connects one end of the inlet flow rate meter 120 by pipeline, the inlet flow rate meter 120 it is another
One end connects one end of the heat exchange coil 130 by pipeline, and the heat exchange coil 130 is soaked in the liquid nitrogen tank 140, institute
The other end for stating heat exchange coil 130 connects the workflow portal end a of the jet pump 150 by pipeline, the jet pump 150
Flow type pump with injection arrival end b connects one end lower end of the liquid nitrogen liquid packet 170, the mixing outflux of the jet pump 150 by pipeline
End c connects one end of the vaporizer 180 by pipeline, and the other end of the vaporizer 180 connects the outlet by pipeline
Flowmeter 190.
As 1 preferable embodiment of the present embodiment, the workflow portal end a of the jet pump 160 is with mixing outflux
Entrance difference gauge 161 is provided between the b of end.It is appreciated that jet pump 160 can be detected by entrance difference gauge 161
Inlet pressure is poor.
As 1 preferable embodiment of the present embodiment, the workflow portal end a of the jet pump 160 is provided with entrance pressure
Power meter 162 and inlet temperature meter 163.It is appreciated that the inlet pressure of jet pump 160 can be detected by head pressure gage 162,
The inlet temperature of jet pump 160 can be detected by the inlet temperature meter 163.
As 1 preferable embodiment of the present embodiment, the mixed flow port of export b of the jet pump 160 is provided with outlet pressure
Power meter 164 and outlet temperature meter 165.It is appreciated that the outlet pressure of jet pump 160 can be detected by discharge gage 164,
The outlet temperature of jet pump 160 can be detected by the outlet temperature meter 165.
As 1 preferable embodiment of the present embodiment, the flow type pump with injection arrival end c of the jet pump 160 is provided with injection temperature
Degree meter 166.It is appreciated that the temperature of the flow type pump with injection arrival end of jet pump 160 can be detected by injection thermometer 166.
As 1 preferable embodiment of the present embodiment, the working fluid of the jet pump 160 is low temperature high pressure gas or low
Geothermal liquid, the high pressure gas can be high pressure nitrogen or high-pressure helium, the cryogenic liquid be liquid nitrogen, the jet pump 160
Driving fluid be cryogenic liquid.
As 1 preferable embodiment of the present embodiment, the upper end of the liquid nitrogen liquid packet 170 is provided with woven hose 171.It can be with
Understand, liquid nitrogen can be inputted to the liquid nitrogen liquid packet 170 by woven hose 171.
As 1 preferable embodiment of the present embodiment, the other end of the liquid nitrogen liquid packet 170 is provided with safety valve 172.It can
To understand, the internal pressure of the liquid nitrogen liquid packet 170 can be controlled by safety valve 172.
As 1 preferable embodiment of the present embodiment, liquid level gauge 173 is provided between the both ends of the liquid nitrogen liquid packet 170.
It is appreciated that liquid position in the liquid nitrogen liquid packet 170 can be measured by liquid level gauge 173.
It is appreciated that above-mentioned cryogenic spray pump platform 10 is simple in structure, and inner inorganic tool moving component, it is stable；
Cryogenic spray can be pumped using above-mentioned cryogenic spray pump platform 10 and carry out the performance test under different temperatures different pressures and reality
It tests, while convenient for the cryogenic spray pump of test different model size, the test preparatory period is short, at low cost, it can be achieved that prolonged
Steady testing.
Embodiment 2：
Referring to Fig. 2, structural representation Figure 20 of platform is pumped for the cryogenic spray that the embodiment of the present invention 2 provides.
Difference from Example 1 is that cryogenic spray pump platform provided in this embodiment further includes more valve group heat exchange
Control pipe 210, one end of more valve group heat exchange control pipes 210 are connected to the heat exchange coil 130, and more valve groups are changed
The operating temperature of the heat exchange coil 130 can be adjusted in thermal control tubulation 210, more valve group heat exchange control pipes 210
The other end be connected with the workflow portal end a of the jet pump 160.
It is appreciated that since heat exchange coil 130 is immersed in liquid nitrogen tank 140, so as to pass through liquid nitrogen work in liquid nitrogen tank 140
Make the operating temperature that stream temperature adjusts heat exchange coil 130；Simultaneously as it employs different in more valve group heat exchange control pipes 210
Switch control high pressure gas heat-exchange time length in heat exchange coil 130 of valve, and then control the high-pressure spray after the completion of heat exchange
Temperature.
Further, heat exchange coil 130 is using the coil arrangement for being suitble to liquid nitrogen tank.
Cryogenic spray pump its detailed working method of platform that the embodiment of the present invention 2 provides is referring to embodiment 1, here no longer
It repeats.
It is appreciated that above-mentioned cryogenic spray pump platform 20 is simple in structure, and inner inorganic tool moving component, it is stable；
Cryogenic spray can be pumped using above-mentioned cryogenic spray pump platform 20 and carry out the performance test under different temperatures different pressures and reality
It tests, while convenient for the cryogenic spray pump of test different model size, the test preparatory period is short, at low cost, it can be achieved that prolonged
Steady testing.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of cryogenic spray pumps platform, which is characterized in that including：It is air reservoir, inlet flow rate meter, heat exchange coil, liquid nitrogen tank, cold
Case, jet pump, liquid nitrogen liquid packet, vaporizer and outlet stream gauge, the jet pump and the liquid nitrogen liquid packet are set to the ice chest
It is interior, wherein：
The air reservoir connects one end of the inlet flow rate meter by pipeline, and the other end of the inlet flow rate meter is connected by pipeline
One end of the heat exchange coil is connect, the heat exchange coil is soaked in the liquid nitrogen tank, and the other end of the heat exchange coil passes through
Pipeline connects the workflow portal end of the jet pump, and the flow type pump with injection arrival end of the jet pump connects the liquid nitrogen by pipeline
The lower end of liquid packet, the mixed flow port of export of the jet pump connect one end of the vaporizer by pipeline, the vaporizer
The other end connects the outlet stream gauge by pipeline.
2. cryogenic spray according to claim 1 pumps platform, which is characterized in that the workflow portal end of the jet pump with
Entrance difference gauge is provided between the mixed flow port of export.
3. cryogenic spray according to claim 1 pumps platform, which is characterized in that the workflow portal end of the jet pump is set
It is equipped with head pressure gage and inlet temperature meter.
4. cryogenic spray according to claim 1 pumps platform, which is characterized in that the mixed flow port of export of the jet pump is set
It is equipped with discharge gage and outlet temperature meter.
5. cryogenic spray according to claim 1 pumps platform, which is characterized in that the flow type pump with injection arrival end of the jet pump is set
It is equipped with injection thermometer.
6. cryogenic spray according to claim 1 pumps platform, which is characterized in that the working fluid of the jet pump is low temperature
High pressure gas or cryogenic liquid, the driving fluid of the jet pump is cryogenic liquid.
7. cryogenic spray according to claim 1 pumps platform, which is characterized in that the upper end of the liquid nitrogen liquid packet is provided with defeated
Liquid pipe.
8. cryogenic spray according to claim 1 pumps platform, which is characterized in that the upper end of the liquid nitrogen liquid packet is provided with peace
Full valve.
9. cryogenic spray according to claim 1 pumps platform, which is characterized in that is set between the both ends of the liquid nitrogen liquid packet
There is liquid level gauge.
10. cryogenic spray according to claim 1 pumps platform, which is characterized in that more valve group heat exchange control pipes are further included,
One end of more valve group heat exchange control pipes is connected to the heat exchange coil, by controlling more valve group heat exchange control pipes
Switch control high pressure gas heat-exchange time length in the heat exchange coil of middle difference valve, more valve group heat exchange controls
The other end of pipe is connected with the workflow portal end of the jet pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810025850.5A CN108240318B (en) | 2018-01-11 | 2018-01-11 | Cryogenic jet pump platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810025850.5A CN108240318B (en) | 2018-01-11 | 2018-01-11 | Cryogenic jet pump platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108240318A true CN108240318A (en) | 2018-07-03 |
| CN108240318B CN108240318B (en) | 2019-06-25 |
Family
ID=62699544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810025850.5A Active CN108240318B (en) | 2018-01-11 | 2018-01-11 | Cryogenic jet pump platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108240318B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594432A (en) * | 2020-06-28 | 2020-08-28 | 北京五隆兴科技发展有限公司 | Device and method for testing performance of jet pump |
| CN112924489A (en) * | 2021-02-05 | 2021-06-08 | 西南石油大学 | Low-temperature dangerous liquid accident leakage jet experiment device |
| CN115247643A (en) * | 2021-04-25 | 2022-10-28 | 中国科学院理化技术研究所 | Liquid hydrogen booster pump performance test platform and test method |
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| CN1464249A (en) * | 2002-06-27 | 2003-12-31 | 崔保山 | Vacuum system for energy conservation water extraction vapor |
| CN201209970Y (en) * | 2008-04-30 | 2009-03-18 | 上海海事大学 | Cooling cycle system for high temperature and low temperature cold storage for ship |
| CN101666250A (en) * | 2009-09-25 | 2010-03-10 | 天津大学 | System for improving low-temperature heat source power generation capacity by using injection pump |
| CN102797515A (en) * | 2011-05-27 | 2012-11-28 | 张玉良 | Method for saving energy through injection air suction in thermodynamic process |
| CN102878715A (en) * | 2012-10-10 | 2013-01-16 | 上海海洋大学 | Throttling liquid feeding refrigerating system with jet pump |
| CN204099182U (en) * | 2014-09-25 | 2015-01-14 | 浙江巨化汉正新材料有限公司 | A kind of jet pump being applied to preparation trifluoroethylamine |
-
2018
- 2018-01-11 CN CN201810025850.5A patent/CN108240318B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517647A (en) * | 1978-07-21 | 1980-02-07 | Tlv Co Ltd | Combination pump |
| CN1464249A (en) * | 2002-06-27 | 2003-12-31 | 崔保山 | Vacuum system for energy conservation water extraction vapor |
| CN201209970Y (en) * | 2008-04-30 | 2009-03-18 | 上海海事大学 | Cooling cycle system for high temperature and low temperature cold storage for ship |
| CN101666250A (en) * | 2009-09-25 | 2010-03-10 | 天津大学 | System for improving low-temperature heat source power generation capacity by using injection pump |
| CN102797515A (en) * | 2011-05-27 | 2012-11-28 | 张玉良 | Method for saving energy through injection air suction in thermodynamic process |
| CN102878715A (en) * | 2012-10-10 | 2013-01-16 | 上海海洋大学 | Throttling liquid feeding refrigerating system with jet pump |
| CN204099182U (en) * | 2014-09-25 | 2015-01-14 | 浙江巨化汉正新材料有限公司 | A kind of jet pump being applied to preparation trifluoroethylamine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594432A (en) * | 2020-06-28 | 2020-08-28 | 北京五隆兴科技发展有限公司 | Device and method for testing performance of jet pump |
| CN112924489A (en) * | 2021-02-05 | 2021-06-08 | 西南石油大学 | Low-temperature dangerous liquid accident leakage jet experiment device |
| CN115247643A (en) * | 2021-04-25 | 2022-10-28 | 中国科学院理化技术研究所 | Liquid hydrogen booster pump performance test platform and test method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108240318B (en) | 2019-06-25 |
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Effective date of registration: 20210730 Address after: 1407, 14th floor, building 51, 63 Zhichun Road, Haidian District, Beijing 100083 Patentee after: Beijing Zhongke Fu Hai Low Temperature Technology Co.,Ltd. Address before: No. 29 East Zhongguancun Road, Haidian District, Beijing 100190 Patentee before: Technical Institute of Physics and Chemistry Chinese Academy of Sciences |