CN206958615U - A kind of steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device - Google Patents
A kind of steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device Download PDFInfo
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- CN206958615U CN206958615U CN201720622647.7U CN201720622647U CN206958615U CN 206958615 U CN206958615 U CN 206958615U CN 201720622647 U CN201720622647 U CN 201720622647U CN 206958615 U CN206958615 U CN 206958615U
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- thermal source
- inner tube
- high temperature
- tube
- steel
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Abstract
The utility model is related to simulation monitoring device includes monitoring device and analogue means, including simulates the thermal source conveying device between pipeline, thermal source and thermal source and simulation pipeline；The main body for simulating pipeline is steel sleeve steel bilayer high temperature oil pipeline, and steel sleeve steel bilayer high temperature oil pipeline includes inner and outer tubes, and thermal source conveying device divides two-way to convey, and the first via is that thermal source circulates in inner tube, and the second tunnel is thermal source leakage outer tube；Monitoring device includes monitoring main frame and signal light transmission cable；Signal light transmission cable is located near oil pipeline, is monitored the temperature signal of pipeline and is fed back to monitoring host process；Realize the monitoring of outer tube temperature change before and after leaking oil pipeline inner tube.Steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device of the present utility model is monitored by the simulation to inner tube leakage situation in steel sleeve steel double-layer oil delivery pipe road, temperature variation curve in inner tube thermal source leakage process is obtained, the parameter setting used for the monitoring of follow-up offshore oilfield pipeline provides strong reference.
Description
Technical field
The utility model belongs to simulation monitoring field, and in particular to a kind of steel sleeve steel bilayer high temperature oil pipeline inner tube leakage
Simulate monitoring device.
Background technology
With China's rapid development of economy, the national demand to oil is also constantly rising；Along with energy industry
Fast development, the continuous breakthrough of oil exploitation new technology, China is in-service and is also being continuously increased building oil pipeline, and this also increases
The generation of Pipeline Leak accident.
After the individual layer oil pipeline of land leaks, if crude oil is directly leaked to external environment condition, it can pass through
The methods of inspection, learns pipe leakage position and leak time；And it is located at steel sleeve steel double-layer oil delivery pipe for seabed production laying
Road, due to taking double leak-proof to protect, when inner tube leaks, outer tube will not temporarily leak, but through after a while
The situation of leakage also occurs in corrosion, outer tube.Due to the complexity of environments such as subsea, temporarily no method is let out to outer tube oil at present
Row effectively monitoring is leaked into, causes bulk petroleum to enter in seawater, pollution ecology, wastes the energy.
Based on this, it is thought that being supervised using the method for submarine laying temperature sensing optic cable to the temperature of submarine pipeline
Survey, the leakage situation of oil is predicted according to the situation of change of submarine pipeline temperature.But due to the blank of prior art, how to set
Rational temperature change parameter is put to assess the leakage situation of submarine oil be current problem.And environments such as subsea is very multiple
It is miscellaneous, it is difficult to carry out the simulation monitoring of Oil spills in seabed.
Therefore, it is badly in need of a kind of simulation monitoring device of conveniently steel sleeve steel double-layer oil delivery pipe road Oil spills at present to enter
To obtain temperature parameter during petroleum pipeline leakage, parameter when being monitored as offshore oilfield pipeline is set the effective simulation monitoring of row
Put reference.
The content of the invention
The purpose of this utility model is to be directed to existing deficiency, there is provided a kind of steel sleeve steel bilayer high temperature oil pipeline inner tube is let out
Stripping pattern intends monitoring device.Steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device of the present utility model passes through to steel
The simulation monitoring of inner tube leakage situation in steel double-layer oil delivery pipe road is covered, obtains temperature variation curve in inner tube thermal source leakage process,
The parameter setting used when being monitored for follow-up offshore oilfield pipeline provides strong reference.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device, the simulation monitoring device include prison
Device and analogue means are surveyed, the thermal source that the analogue means is included between simulation pipeline, thermal source and thermal source and simulation pipeline is defeated
Send device；
The main body of the simulation pipeline is steel sleeve steel bilayer high temperature oil pipeline, and steel sleeve steel bilayer high temperature oil pipeline includes
Inner and outer tubes, inner tube insertion outer tube is interior and the both ends of inner tube are stretched out outside outer tube；Through hole is provided with inner pipe wall, is let out as thermal source
Small opening, inner tube both ends are seamless respectively to be provided with baffle plate A, B, and wherein baffle plate A upper end is provided with thermal source outlet A, and baffle plate B is provided with heat
Source import A and heat source import B, connecting pipe is provided between heat source import B and thermal source leak；Distinguish seamless installation in outer tube both ends
There are baffle plate C, D, be to be tightly connected between baffle plate C, D and outer wall of inner tube；Baffle plate A and baffle plate C is located at the same side, and baffle plate C
Upper end is also provided with thermal source outlet B, as thermal source from outer tube leakage after outlet；
The thermal source conveying device divides two-way to convey, and the first via is that thermal source conveying device guides thermal source in thermal source container, heat
Circulated between source import A, inner tube and thermal source outlet A, the second tunnel is thermal source conveying device guiding heat source stream heat source import B, so
Thermal source leaks to outer tube through thermal source leak afterwards, until being flowed out from the thermal source outlet B of outer tube, realizes steel sleeve steel bilayer high temperature oil transportation
The simulation of pipeline inner tube leakage；After first via pipeline circulation, the flowing of the second road pipeline endogenous pyrogen is then turned on；
The monitoring device includes monitoring main frame and signal light transmission cable；Signal light transmission cable is located at steel sleeve steel bilayer high temperature
Oil pipeline nearby monitors the temperature signal of pipeline, and temperature signal is fed back into monitoring host process；Realize double to steel sleeve steel
The simulation monitoring of outer tube temperature change before and after the leakage of floor height temperature oil pipeline inner tube.
Steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device of the present utility model, is followed in first via pipeline
After circulation is logical, the second road pipeline is being connected again（That is thermal source inner tube leakage line）Purpose be：In first via pipeline circulation
Representative's thermal source is essentially filled with inner tube afterwards, meets truth during submarine oil conveying；Further, since now inner tube
It is isolation between outer tube, the temperature of outer tube is basicly stable, now connects the second road pipeline again（I.e. thermal source inner tube leaks
Pipeline）Because thermal source constantly leaks to outer tube, outer tube temperature can be regardless of rise；And according to thermal source leak time and leakage rate
Difference, the temperature lifting range of outer tube is also different, and now temperature signal is constantly transferred to host process solution by signal light transmission cable
Analysis, the variation tendency of outer tube temperature before and after inner tube leakage can be obtained, realizes and steel sleeve steel bilayer high temperature oil pipeline inner tube is leaked
The simulation monitoring of front and rear outer tube temperature change.
As preferable technical scheme：
Preferably, transmission cable can only monitor the temperature of the steel sleeve steel bilayer high temperature oil pipeline after the second road pipeline is opened
Signal；The temperature 45-60 of the thermal source°C。
Preferably, described baffle plate A, B are the circular baffle plate with inner tube form fit；Described baffle plate C, D are ring baffle, institute
The internal diameter for stating ring baffle is more than inner tube external diameter, and ring baffle and inner tube use rubber seal.Between ring baffle and inner tube
And need what is sealed, let out ahead of time with preventing leakage into the thermal source in outer tube, influence the accuracy of test.
Preferably, the thermal source conveying device include pump A, pump B, connecting tube A, connecting tube B, connecting tube C, connecting tube D and
Connecting tube E；
The pump A extracts thermal source by connecting tube A from thermal source container, and thermal source then is delivered into heat by connecting tube B
Source import A, thermal source flow to thermal source outlet A after being filled up in inner tube, thermal source then is introduced into thermal source container by connecting tube C, real
The cyclic process of existing thermal source；Using the purpose of heat-source Cycles, it is to reduce the conveying condition of submarine oil as far as possible, improves mould
Intend precision.
The pump B extracts thermal source by connecting tube D from thermal source container, and thermal source then is delivered into heat by connecting tube E
Source import B, after thermal source fills up in the connecting pipe between heat source import B and thermal source leak, thermal source leaks to outer tube, when outer
After pipe is filled, thermal source self-heat power outlet B flow directions are extraneous, complete the simulation process that thermal source leaks from inner tube to outer tube.
Preferably, the thermal source is thermal water source or hot petroleum source.In view of more expensive using oil cost, when this is simulated
Also thermal water source can be used.
Preferably, the connecting pipe being provided between heat source import B and thermal source leak is L-type pipeline.
Preferably, the heat source import A is the short tube A being inserted into baffle plate A；The heat source import B is in insertion baffle plate B
Short tube B.Sealing is carried out when between the inner tube of short tube A, B corresponding thereto, short tube selects stainless steel material.
Preferably, connecting tube A, connecting tube B, connecting tube C, connecting tube D and connecting tube E are the bellows of steel wire.From
The bellows of steel wire, to be deformed when preventing and conveying thermal source, while its specification matches with the short tube being connected；
Preferably, heater is provided with the thermal source container, heater intelligent heating thermal source ensures the stabilization of heat source temperature.
Ensure the stability of heat source temperature, improve the stability of the temperature changing trend of follow-up outer tube monitoring.
Preferably, the distance between the signal light transmission cable and steel sleeve steel bilayer high temperature oil pipeline≤20cm.
Beneficial effect
Steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device of the present utility model passes through double to steel sleeve steel
The simulation monitoring of inner tube leakage situation, obtains temperature variation curve in inner tube thermal source leakage process, is follow-up in layer oil pipeline
The parameter setting that offshore oilfield pipeline uses when monitoring provides strong reference, is seabed steel sleeve steel double-layer oil delivery pipe road actual monitoring
When inner tube leakage situation strong support is provided.
The utility model is simple to operate, time saving and energy saving, solves the leakage simulation of steel sleeve steel bilayer high temperature oil pipeline inner tube
Monitor problem.
Brief description of the drawings
Fig. 1 is steel sleeve steel bilayer high temperature oil pipeline inner tube structure schematic diagram of the present utility model；
Fig. 2 is steel sleeve steel bilayer high temperature oil pipeline outer tube structure schematic diagram of the present utility model；
Fig. 3 is steel sleeve steel bilayer high temperature oil pipeline structural representation of the present utility model；
Fig. 4 is the schematic diagram of steel sleeve steel bilayer high temperature oil pipeline inner tube of the present utility model leakage simulation monitoring device；
Fig. 5 is steel sleeve steel bilayer high temperature oil pipeline inner tube of the present utility model leakage simulation monitoring device result；
Wherein, 1- inner tubes, pipe through-hole in 2-（That is thermal source leak）, 3- baffle plates A, 4- baffle plate B, 5- thermal source outlet A, 6- heat
Source import A, 7- connecting pipe (i.e. the leakage short tube of thermal source), 7-1- heat source imports B, 8- outer tube, 9- baffle plates C, 10- baffle plate D,
11- thermal source outlets B, 12- optical cable, 13- monitoring main frames, 14- thermal source containers, 15- pumps A, 16- connecting tube B, 17- connecting tube A, 18-
Connecting tube C, 19- heater, 20- pumps B, 21- connecting tube D, 22- connecting tube E.
Embodiment
With reference to embodiment, the utility model is expanded on further.
It is steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring dress of the present utility model as shown in accompanying drawing 1-4
Put.The simulation monitoring device includes monitoring device and analogue means, and the analogue means includes simulation pipeline, thermal source and heat
Thermal source conveying device between source and simulation pipeline；
The main body of the simulation pipeline is steel sleeve steel bilayer high temperature oil pipeline, and steel sleeve steel bilayer high temperature oil pipeline includes
Inner tube 1 and outer tube 8, inner tube 1 are embedded in outer tube 8 and outside the both ends stretching outer tube 8 of inner tube 1；Through hole is provided with the tube wall of inner tube 1
2, as thermal source leak 2, the both ends of inner tube 1 are seamless respectively to be provided with baffle plate A 3, B 4, and wherein baffle plate A 3 upper end is provided with heat
Source exports A 5, and baffle plate B 4 is provided with heat source import A 6 and heat source import B 7-1, heat source import B 7-1 and thermal source leak 2
Between be provided with connecting pipe 7；The both ends of outer tube 8 are seamless respectively to be provided with baffle plate C 9, D 10, outside baffle plate C 9, D 10 and inner tube 1
It is to be tightly connected between wall；Baffle plate A 3 and baffle plate C 9 is located at the same side, and baffle plate C 9 upper end is also provided with thermal source outlet B
11, as thermal source from outer tube 8 leakage after outlet；
The thermal source conveying device divides two-way to convey, the first via be thermal source conveying device guiding thermal source thermal source container 14,
Circulated between heat source import A 6, inner tube 1 and thermal source outlet A 5, the second tunnel is that thermal source conveying device guiding heat source stream heat source is entered
Mouth B 7-1, then thermal source leaks to outer tube 8 through thermal source leak 2, until being flowed out from the thermal source outlet B 11 of outer tube 8, realizes
The simulation that steel sleeve steel bilayer high temperature oil pipeline inner tube 1 leaks；After first via pipeline circulation, the second road pipeline is then turned on
The flowing of endogenous pyrogen；
The monitoring device includes monitoring main frame 13 and signal light transmission cable 12；Signal light transmission cable 12 is located at steel bushing
Steel bilayer high temperature oil pipeline nearby monitors the temperature signal of pipeline, and temperature signal is fed back into monitoring main frame 13 and handled；It is real
The simulation monitoring of front and rear outer tube 8 temperature change is now leaked steel sleeve steel bilayer high temperature oil pipeline inner tube 1.
Preferably, signal light transmission cable 12 can only monitor the steel sleeve steel bilayer high temperature petroleum pipeline after the second road pipeline is opened
The temperature signal in road；The temperature of thermal source is 45-60°C。
Preferably, the baffle plate A 3, B4 are the circular baffle plate with the form fit of inner tube 1；The baffle plate C 9, D 10 are ring
Shape baffle plate, the internal diameter of the ring baffle are more than inner tube external diameter, and ring baffle and inner tube 1 use rubber seal.
Preferably, the thermal source conveying device includes pump A 15, pump B 20, connecting tube A 17, connecting tube B 16, connecting tube
C 18, connecting tube D 21 and connecting tube E 22；
The pump A 15 extracts thermal source by connecting tube A 17 from thermal source container 14, then will by connecting tube B 16
Thermal source is delivered to heat source import A 6, and thermal source flows to thermal source outlet A 5 after being filled up in inner tube 1, then will by connecting tube C 18
Thermal source introduces thermal source container 14, realizes the cyclic process of thermal source；
The pump B 20 extracts thermal source by connecting tube D 21 from thermal source container 14, then will by connecting tube E 22
Thermal source is delivered to heat source import B 7-1, and thermal source fills up in the connecting pipe 7 between heat source import B 7-1 and thermal source leak 2
Afterwards, thermal source leaks to outer tube 8, and after outer tube 8 is filled, thermal source self-heat power outlet B 11 flows to the external world, completes thermal source in
The simulation process that pipe 1 leaks to outer tube 8.
Preferably, the thermal source is thermal water source or hot petroleum source.
Preferably, the connecting pipe 7 being provided between heat source import B 7-1 and thermal source leak 2 is L-type pipeline.
Preferably, the heat source import A 6 is the short tube being inserted into baffle plate A 3；The heat source import B 7-1 are insertion
Short tube in baffle plate B 4.
Preferably, connecting tube A 17, connecting tube B 16, connecting tube C 18, connecting tube D 21 and connecting tube E 22 are strip
The bellows of silk.
Preferably, heater 19 is provided with the thermal source container 14, the intelligent heating thermal source of heater 19 ensures thermal source temperature
The stabilization of degree.
Preferably, the distance between the signal light transmission cable and steel sleeve steel bilayer high temperature oil pipeline≤20cm.
Steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device of the present utility model passes through double to steel sleeve steel
The simulation monitoring of inner tube leakage situation, obtains temperature variation curve in inner tube thermal source leakage process, is follow-up in layer oil pipeline
The parameter setting that offshore oilfield pipeline uses when monitoring provides strong reference, is seabed steel sleeve steel double-layer oil delivery pipe road actual monitoring
When inner tube leakage situation strong support is provided.
Steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring result of the present utility model is as shown in figure 5, this figure
Curve map for the steel sleeve steel bilayer high temperature oil pipeline outer tube temperature difference with leak time；Leaked 10 minutes from this it can be seen from the figure that
Temperature does not change afterwards, and the temperature difference reaches 2 degree after leaking 20 minutes, and the temperature difference reaches 4 degree after leaking 30 minutes, temperature after leaking 40 minutes
Difference reaches 5 degree, and the temperature difference reaches 6.5 degree after leaking 50 minutes, and the temperature difference reaches 7.5 degree after leaking 60 minutes, and temperature rise is obvious, lets out
Leakage rate during leakage is 3L/min.Therefore when actually carrying out extra large pipe leakage monitoring, temperature change early warning value can be set
For 2 degree, i.e., when the temperature change that monitoring system monitors to obtain is more than or equal to 2 degree, alarmed.It is in addition, real according to seabed
The change of the steel sleeve steel bilayer high temperature oil pipeline outer tube temperature difference of border monitoring system speculates the time that crude oil has leaked, and is crude oil
Leakage provide more accurately assess.
Claims (10)
1. a kind of steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device, it is characterized in that：The simulation monitoring dress
Put including monitoring device and analogue means, the analogue means is included between simulation pipeline, thermal source and thermal source and simulation pipeline
Thermal source conveying device；
The main body of the simulation pipeline is steel sleeve steel bilayer high temperature oil pipeline, and steel sleeve steel bilayer high temperature oil pipeline includes inner tube
And outer tube, inner tube insertion outer tube is interior and the both ends of inner tube are stretched out outside outer tube；Through hole is provided with inner pipe wall, is leaked as thermal source
Hole, inner tube both ends are seamless respectively to be provided with baffle plate A, B, and wherein baffle plate A upper end is provided with thermal source outlet A, and baffle plate B is provided with thermal source
Import A and heat source import B, connecting pipe is provided between heat source import B and thermal source leak；Outer tube both ends are seamless respectively to be provided with
Baffle plate C, D, it is to be tightly connected between baffle plate C, D and outer wall of inner tube；Baffle plate A and baffle plate C is located at the same side, and baffle plate C's is upper
End be also provided with thermal source outlet B, as thermal source from outer tube leakage after outlet；
The thermal source conveying device divides two-way to convey, and the first via is that thermal source conveying device guiding thermal source enters in thermal source container, thermal source
Circulated between mouth A, inner tube and thermal source outlet A, the second tunnel is thermal source conveying device guiding heat source stream heat source import B, Ran Houre
Source leaks to outer tube through thermal source leak, until being flowed out from the thermal source outlet B of outer tube, realizes steel sleeve steel bilayer high temperature oil pipeline
The simulation of inner tube leakage；After first via pipeline circulation, the flowing of the second road pipeline endogenous pyrogen is then turned on；
The monitoring device includes monitoring main frame and signal light transmission cable；Signal light transmission cable is located at steel sleeve steel bilayer high temperature oil transportation
Near Pipelines monitor the temperature signal of pipeline, and temperature signal is fed back into monitoring host process；Realize double-deck to steel sleeve steel high
The simulation monitoring of outer tube temperature change before and after warm oil pipeline inner tube leakage.
2. steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device according to claim 1, is characterised by,
Signal light transmission cable can only monitor the temperature signal of the steel sleeve steel bilayer high temperature oil pipeline after the second road pipeline is opened；The heat
The temperature in source is 45-60°C。
3. steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device according to claim 1, is characterised by,
Described baffle plate A, B are the circular baffle plate with inner tube form fit；Described baffle plate C, D are ring baffle, the ring baffle it is interior
Footpath is more than inner tube external diameter, and ring baffle and inner tube use rubber seal.
4. steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device according to claim 1, is characterised by,
The thermal source conveying device includes pump A, pump B, connecting tube A, connecting tube B, connecting tube C, connecting tube D and connecting tube E；
The pump A extracts thermal source by connecting tube A from thermal source container, and thermal source then is delivered into thermal source by connecting tube B enters
Mouth A, thermal source flow to thermal source outlet A after being filled up in inner tube, thermal source then is introduced into thermal source container by connecting tube C, realizes heat
The cyclic process in source；
The pump B extracts thermal source by connecting tube D from thermal source container, and thermal source then is delivered into thermal source by connecting tube E enters
Mouth B, after thermal source fills up in the connecting pipe between heat source import B and thermal source leak, thermal source leaks to outer tube, when outer tube quilt
After filling up, thermal source self-heat power outlet B flow directions are extraneous, complete the simulation process that thermal source leaks from inner tube to outer tube.
5. steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device according to claim 2, is characterised by,
The thermal source is thermal water source or hot petroleum source.
6. steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device according to claim 1, is characterised by,
The connecting pipe being provided between heat source import B and thermal source leak is L-type pipeline.
7. steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device according to claim 1, is characterised by,
The heat source import A is the short tube being inserted into baffle plate A；The heat source import B is the short tube in insertion baffle plate B.
8. steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device according to claim 4, is characterised by,
Connecting tube A, connecting tube B, connecting tube C, connecting tube D and connecting tube E are the bellows of steel wire.
9. steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device according to claim 4, is characterised by,
Heater is provided with the thermal source container, heater intelligent heating thermal source ensures the stabilization of heat source temperature.
10. steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device according to claim 1, feature exist
In the distance between the signal light transmission cable and steel sleeve steel bilayer high temperature oil pipeline≤20cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720622647.7U CN206958615U (en) | 2017-05-31 | 2017-05-31 | A kind of steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720622647.7U CN206958615U (en) | 2017-05-31 | 2017-05-31 | A kind of steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device |
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| Publication Number | Publication Date |
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| CN206958615U true CN206958615U (en) | 2018-02-02 |
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ID=61378392
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720622647.7U Expired - Fee Related CN206958615U (en) | 2017-05-31 | 2017-05-31 | A kind of steel sleeve steel bilayer high temperature oil pipeline inner tube leakage simulation monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980633A (en) * | 2018-08-27 | 2018-12-11 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Waterpower cooling infrared heat point antenna |
-
2017
- 2017-05-31 CN CN201720622647.7U patent/CN206958615U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980633A (en) * | 2018-08-27 | 2018-12-11 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Waterpower cooling infrared heat point antenna |
| CN108980633B (en) * | 2018-08-27 | 2023-09-29 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Hydraulic cooling infrared hot spot antenna |
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Granted publication date: 20180202 Termination date: 20210531 |