CN209340880U - A kind of superconducting energy pipe-line system based on LNG pre-cooling transmission - Google Patents
A kind of superconducting energy pipe-line system based on LNG pre-cooling transmission Download PDFInfo
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- CN209340880U CN209340880U CN201920088973.3U CN201920088973U CN209340880U CN 209340880 U CN209340880 U CN 209340880U CN 201920088973 U CN201920088973 U CN 201920088973U CN 209340880 U CN209340880 U CN 209340880U
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- Prior art keywords
- lng
- liquid nitrogen
- ice chest
- conveyance conduit
- cable
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/082—Pipe-line systems for liquids or viscous products for cold fluids, e.g. liquefied gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/34—Cable fittings for cryogenic cables
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Thermal Insulation (AREA)
Abstract
The utility model discloses a kind of superconducting energy pipe-line systems based on LNG pre-cooling transmission, including conveyance conduit, hyperconductive cable, front end cooling device and rear end reception device.With a kind of superconducting energy pipe-line system based on LNG pre-cooling transmission described in the utility model, due to preparing the ample supply and prompt delivery of liquid nitrogen, technical maturity, the technique that thus natural gas is pre-chilled using liquid nitrogen and cold insulation is carried out to LNG, the efficiency of transmission and security performance of superconducting energy pipeline can be improved, production cost is reduced simultaneously, electric power and natural gas can be placed in same pipeline to go the same way conveying, it is crossed in ice chest in LNG and LNG is fully cooled using liquid nitrogen, using the LNG of supercooling as the cooling working medium of hyperconductive cable, establish the unified model of cable Yu natural gas transportation pipeline, whole system process is simple, it only needs to convey electric energy and LNG, additional material (such as liquid nitrogen) is not transported, efficiency-cost ratio is high, function admirable.
Description
Technical field
The utility model relates to superconductor technology field, in particular to a kind of superconducting energy pipeline based on LNG pre-cooling transmission
System.
Background technique
Natural gas is a kind of clean energy resource of hydrocarbon composition, because its cleaning burning, calorific value height are by increasingly wider
General application will generally pass through pipeline transportation since neutralizing gas is far from natural gas user market.Which results in natural gases
Higher cost in transport processing, in order to solve this problem, LNG Technology is sent out rapidly at home in recent years
Exhibition, pressure required for storage liquefied natural gas (LNG) is not high, and the volume of liquefied natural gas is also small, and temperature is also low, this makes
It is more stable than gaseous form in storage and the transport of long range to obtain it, while LNG can be used as coolant media；Conventional refrigerant
The power consumption that machine carries out natural gas liquefaction is higher, higher cost, such as completion conveying LNG speed fuel is defeated greater than the length of 100L/min
The design of pipeline, to the performances such as the power of the relevant devices such as immersed pump, long-shaft pump, leakproofness, safety, heat dissipation have compared with
High request, conventional refrigeration and pumping equipment power consumption are big, at high cost, safety is low.
Superconductor has extremely low resistance, and transmission losses is small, is ideal transmission of electricity material, but current superconduction material
Material is to need extremely low temperature that could form superconducting state, therefore, needs to make superconductive power transmission cable with coolant media in engineering
In superconducting critical transition temperature hereinafter, so as to superconductive power transmission.
Utility model content
The purpose of the utility model is to overcome need to make superconductive power transmission cable in engineering in the presence of the prior art
A kind of superconducting energy pipeline system based on LNG pre-cooling transmission is provided in extremely low middle benefit gas so as to the above-mentioned deficiency of superconductive power transmission
System.
In order to realize above-mentioned purpose of utility model, the utility model provides following technical scheme:
A kind of superconducting energy pipe-line system based on LNG pre-cooling transmission, comprising:
Conveyance conduit, for conveying LNG (liquefied natural gas)；
Hyperconductive cable is set in the conveyance conduit, and for transmitting electricity, the both ends of the hyperconductive cable are connected separately with cable
Terminal, two cable terminations are connected to the both ends of the conveyance conduit；
Front end cooling device, including LNG storage tank, LNG cross ice chest and liquid nitrogen container, the LNG storage tank and the liquid nitrogen
Tank is separately connected the LNG and crosses ice chest, and the LNG crosses ice chest and connects a cable termination, and the LNG storage tank is for storing up
The LNG is deposited, and crosses ice chest to the LNG and conveys the LNG, the liquid nitrogen container is subcooled for storing liquid nitrogen, and to the LNG
Case conveys the liquid nitrogen, and the liquid nitrogen is crossed in ice chest in the LNG and the LNG is subcooled, and the LNG after supercooling is by described
LNG crosses ice chest and is transported in the conveyance conduit, and the LNG after supercooling is cold by the hyperconductive cable in the conveyance conduit
But to superconducting state；
Rear end reception device, including LNG receiving magazine, the LNG receiving magazine connects another cable termination, described
LNG receiving magazine is used to receive the LNG of the conveyance conduit conveying.
Using a kind of superconducting energy pipe-line system based on LNG pre-cooling transmission described in the utility model, due to preparation solution
The ample supply and prompt delivery of nitrogen, technical maturity, thus can be improved super using liquid nitrogen to natural gas pre-cooling and to the technique of LNG progress cold insulation
The efficiency of transmission and security performance of energy conduit are led, while reducing production cost, electric power and natural gas can be placed in same pipeline
It goes the same way conveying, is crossed in ice chest in LNG and LNG is fully cooled using liquid nitrogen, using the LNG of supercooling as the bosher of hyperconductive cable
Matter, establishes the unified model of cable Yu natural gas transportation pipeline, and whole system process is simple, it is only necessary to convey electric energy and LNG, no
It transports additional material (such as liquid nitrogen), efficiency-cost ratio is high, function admirable.
Preferably, the conveyance conduit is vacuum heat-insulating pipe.
Preferably, the LNG supercooling case includes interior layer box body and outer-layer box body, and the LNG storage tank connects the internal layer
Cabinet, the liquid nitrogen container connect the outer-layer box body.
Preferably, the LNG is crossed and is equipped with cryogenic pump in ice chest, and the cryogenic pump is used for the institute crossed in ice chest to the LNG
It states liquid nitrogen pressurization and reduces heat transfer temperature difference, and control its pressure to make its saturation temperature 60K-90K.
Preferably, the hyperconductive cable is set in cable thermostat, and the cable thermostat is set in the conveyance conduit.
Preferably, the cable termination includes vacuum terminal thermostat, and the vacuum terminal thermostat is connected to described defeated
Send the both ends of pipeline.
Preferably, the conveyance conduit is equipped with cryogenic flow meter, and the cryogenic flow meter is used for the liquid of measuring system
Flow.
Preferably, the conveyance conduit is equipped with pressure gauge, and the pressure gauge is used to detect what the conveyance conduit was born
Pressure.
Preferably, the liquid nitrogen container and the LNG are crossed between ice chest, the LNG is crossed between ice chest and the cable termination
It is connected to respectively by vacuum heat-insulated pipe.
Preferably, which further includes apparatus for producing liquid nitrogen, described in the apparatus for producing liquid nitrogen connection
Liquid nitrogen container, the apparatus for producing liquid nitrogen are used to prepare liquid nitrogen and convey the liquid nitrogen to the liquid nitrogen container.
Preferably, which further includes measuring and controlling, the measuring and controlling include with respectively
The measurement control assembly of a other component Integrated designs, the parameters such as temperature, pressure, flow for acquiring each other components.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
With a kind of superconducting energy pipe-line system based on LNG pre-cooling transmission described in the utility model, due to preparation solution
The ample supply and prompt delivery of nitrogen, technical maturity, thus can be improved super using liquid nitrogen to natural gas pre-cooling and to the technique of LNG progress cold insulation
The efficiency of transmission and security performance of energy conduit are led, while reducing production cost, electric power and natural gas can be placed in same pipeline
It goes the same way conveying, is crossed in ice chest in LNG and LNG is fully cooled using liquid nitrogen, using the LNG of supercooling as the bosher of hyperconductive cable
Matter, establishes the unified model of cable Yu natural gas transportation pipeline, and whole system process is simple, it is only necessary to convey electric energy and LNG, no
It transports additional material (such as liquid nitrogen), efficiency-cost ratio is high, function admirable.
Detailed description of the invention
Fig. 1 is a kind of structural representation of superconducting energy pipe-line system based on LNG pre-cooling transmission described in the utility model
Figure；
Fig. 2 is the cross-sectional view of conveyance conduit and hyperconductive cable.
Marked in the figure: 01-LNG, 1- conveyance conduit, 2- hyperconductive cable, 21- cable thermostat, 3- cable termination, 4-LNG
Holding vessel, 5-LNG cross ice chest, 6- liquid nitrogen container, 7-LNG receiving magazine.
Specific embodiment
The utility model is described in further detail below with reference to test example and specific embodiment.But it should not be by this
The range for being interpreted as the above-mentioned theme of the utility model is only limitted to embodiment below, all to be realized based on the content of the present invention
Technology belongs to the scope of the utility model.
Embodiment
As shown in Figs. 1-2, a kind of superconducting energy pipe-line system based on LNG pre-cooling transmission described in the utility model, packet
It includes:
Conveyance conduit 1, for conveying LNG01, the conveyance conduit 1 is vacuum heat-insulating pipe, and the conveyance conduit 1 is equipped with
Cryogenic flow meter and pressure gauge, the cryogenic flow meter are used for the fluid flow of measuring system, and the pressure gauge is for detecting institute
State the pressure of the receiving of conveyance conduit 1；
Hyperconductive cable 2 is set in cable thermostat 21, i.e., the described cable thermostat 21 wraps up the hyperconductive cable 2, described
Cable thermostat 21 is set in the conveyance conduit 1, and the LNG01 in the conveyance conduit 1 wraps up the cable thermostat
21, for the hyperconductive cable 2 for transmitting electricity, the both ends of the hyperconductive cable 2 are connected separately with cable termination 3, the cable termination 3
Including vacuum terminal thermostat, the vacuum terminal thermostat is connected to the both ends of the conveyance conduit 1；
Front end cooling device, including LNG storage tank 4, LNG cross ice chest 5, liquid nitrogen container 6 and apparatus for producing liquid nitrogen, the LNG
Holding vessel 4 and the liquid nitrogen container 6 are separately connected the LNG and cross ice chest 5, and the LNG crosses ice chest 5 and connects a cable termination
It includes interior layer box body and outer-layer box body that 3, the LNG, which cross ice chest 5, and the LNG storage tank 4 is for storing the LNG01, and to institute
It states LNG and crosses the layer box body conveying LNG01 in ice chest 5, the apparatus for producing liquid nitrogen connection liquid nitrogen container 6, the liquid nitrogen system
Standby device is used to prepare liquid nitrogen and conveys the liquid nitrogen to the liquid nitrogen container 6, and the liquid nitrogen container 6 is for storing liquid nitrogen, and to institute
It states LNG and crosses 5 outer-layer box body of the ice chest conveying liquid nitrogen, the LNG, which is crossed, is equipped with cryogenic pump, the low temperature in 5 outer-layer box body of ice chest
Pump is for crossing the pressurization of the liquid nitrogen in ice chest 5 to the LNG, and controlling its pressure makes its saturation temperature 85K, and the liquid nitrogen exists
The LNG is crossed in ice chest 5 and the LNG01 is subcooled, the LNG01 after supercooling by the LNG cross ice chest 5 be transported to it is described defeated
It send in pipeline 1, the hyperconductive cable 2 is cooled to superconducting state in the conveyance conduit 1 by the LNG01 after supercooling, described
Between apparatus for producing liquid nitrogen and the liquid nitrogen container 6, the liquid nitrogen container 6 and LNG is crossed between ice chest 5, the LNG crosses ice chest 5
It is connected to respectively by vacuum heat-insulated pipe between the cable termination 3；
Rear end reception device, including LNG receiving magazine 7, the LNG receiving magazine 7 connect another by vacuum heat-insulated pipe
The cable termination 3, the LNG receiving magazine 7 are used to receive the LNG01 that the conveyance conduit 1 conveys.
With a kind of superconducting energy pipe-line system based on LNG pre-cooling transmission described in the utility model, due to preparation solution
The ample supply and prompt delivery of nitrogen, technical maturity, thus can be improved using liquid nitrogen to natural gas pre-cooling and to the technique of LNG01 progress cold insulation
The efficiency of transmission and security performance of superconducting energy pipeline, while production cost is reduced, electric power and natural gas can be placed in same pipe
Road is gone the same way conveying, is crossed in ice chest 5 in LNG and is fully cooled LNG01 using liquid nitrogen, using the LNG01 of supercooling as hyperconductive cable
Cooling working medium, establishes the unified model of cable Yu natural gas transportation pipeline, whole system process is simple, it is only necessary to convey electric energy with
LNG01 is not transported additional material (such as liquid nitrogen), and efficiency-cost ratio is high, function admirable.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of superconducting energy pipe-line system based on LNG pre-cooling transmission characterized by comprising
Conveyance conduit (1), for conveying LNG (01)；
Hyperconductive cable (2) is set in the conveyance conduit (1), and for transmitting electricity, the both ends of the hyperconductive cable (2) are separately connected
Have cable termination (3), two cable terminations (3) are connected to the both ends of the conveyance conduit (1)；
Front end cooling device, including LNG storage tank (4), LNG cross ice chest (5) and liquid nitrogen container (6), the LNG storage tank (4) and
The liquid nitrogen container (6) is separately connected the LNG and crosses ice chest (5), and the LNG crosses ice chest (5) and connects a cable termination
(3), the LNG storage tank (4) is for storing the LNG (01), and crosses ice chest (5) to the LNG and convey the LNG (01),
The liquid nitrogen container (6) crosses ice chest (5) to the LNG and conveys the liquid nitrogen for storing liquid nitrogen, and the liquid nitrogen is in the LNG
It crosses in ice chest (5) and the LNG (01) is subcooled, the LNG (01) after supercooling is transported in the conveyance conduit (1), is subcooled
The hyperconductive cable (2) is cooled to superconducting state in the conveyance conduit (1) by the LNG (01) afterwards；
Rear end reception device, including LNG receiving magazine (7), the LNG receiving magazine (7) connect another cable termination (3),
The LNG receiving magazine (7) is used to receive the LNG (01) of the conveyance conduit (1) conveying.
2. superconducting energy pipe-line system according to claim 1, which is characterized in that the conveyance conduit (1) is that vacuum is exhausted
Heat pipe.
3. superconducting energy pipe-line system according to claim 1, which is characterized in that it includes internal layer that the LNG, which crosses ice chest (5),
Cabinet and outer-layer box body, the LNG storage tank (4) connect the interior layer box body, and the liquid nitrogen container (6) connects the outer layer case
Body.
4. superconducting energy pipe-line system according to claim 1, which is characterized in that the LNG is crossed in ice chest (5) equipped with low
Temperature pump, the cryogenic pump are used to cross the LNG pressurization of the liquid nitrogen in ice chest (5).
5. superconducting energy pipe-line system according to claim 1, which is characterized in that the hyperconductive cable (2) is set to cable
In thermostat (21), the cable thermostat (21) is set in the conveyance conduit (1).
6. superconducting energy pipe-line system according to claim 1, which is characterized in that the cable termination (3) includes vacuum
Terminal thermostat, the vacuum terminal thermostat are connected to the both ends of the conveyance conduit (1).
7. superconducting energy pipe-line system according to claim 1, which is characterized in that the conveyance conduit (1) is equipped with low
Warm flowmeter.
8. superconducting energy pipe-line system according to claim 1, which is characterized in that the conveyance conduit (1) is equipped with pressure
Power meter.
9. superconducting energy pipe-line system according to claim 1, which is characterized in that the liquid nitrogen container (6) and the LNG mistake
Between ice chest (5), the LNG crosses between ice chest (5) and the cable termination (3) and to be connected to respectively by vacuum heat-insulated pipe.
10. -9 described in any item superconducting energy pipe-line systems according to claim 1, which is characterized in that further include liquid nitrogen preparation
Device, the apparatus for producing liquid nitrogen connect the liquid nitrogen container (6), and the apparatus for producing liquid nitrogen is used to prepare liquid nitrogen and to the liquid
Nitrogen tank (6) conveys the liquid nitrogen.
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| CN201910002494X | 2019-01-02 | ||
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| CN201920088973.3U Active CN209340880U (en) | 2019-01-02 | 2019-01-17 | A kind of superconducting energy pipe-line system based on LNG pre-cooling transmission |
| CN201910045193.5A Pending CN109654376A (en) | 2019-01-02 | 2019-01-17 | A kind of superconducting energy pipe-line system based on LNG pre-cooling transmission |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110021460B (en) * | 2019-04-29 | 2020-10-16 | 中国科学院电工研究所 | Impact-resistant ablation-resistant superconducting energy pipeline |
| CN110163443B (en) * | 2019-05-27 | 2022-09-09 | 西南石油大学 | Natural gas pressure regulating station micro-energy network optimization scheduling method considering electricity-gas comprehensive demand response |
| CN110847989A (en) * | 2019-11-15 | 2020-02-28 | 中国科学院理化技术研究所 | Cold energy utilization system |
| CN110848563B (en) * | 2019-11-18 | 2021-07-16 | 中国科学院理化技术研究所 | Operation control system of superconducting energy pipeline |
| CN110853833B (en) * | 2019-11-18 | 2021-02-12 | 中国科学院理化技术研究所 | Device for cooling superconducting cable |
| CN114992516A (en) * | 2021-03-01 | 2022-09-02 | 中国石化工程建设有限公司 | Terminal structure of LNG and superconducting energy simultaneous transmission system |
| CN114992519B (en) * | 2021-03-01 | 2024-05-14 | 中国石化工程建设有限公司 | LNG and superconductive energy source same-pipeline conveying long-distance conveying system |
| CN115325287A (en) * | 2022-09-13 | 2022-11-11 | 西南石油大学 | Composite energy pipeline transmission characteristic analysis method |
| CN115978444B (en) * | 2023-03-21 | 2023-05-23 | 北京中科富海低温科技有限公司 | Low-temperature transmission system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3385384B2 (en) * | 1992-03-23 | 2003-03-10 | 大阪瓦斯株式会社 | Method and apparatus for storing and effectively utilizing LNG cold energy |
| CN100524546C (en) * | 2004-07-29 | 2009-08-05 | 住友电气工业株式会社 | Superconducting cable line |
| CN2819575Y (en) * | 2005-08-01 | 2006-09-20 | 肖英佳 | Maintenance-free superconductor low-temperature deep cooling power transmission device |
| CN102679152B (en) * | 2012-04-20 | 2014-05-28 | 西安交通大学 | United long-range transmission system for liquefied natural gas and high-temperature superconducting electric energy |
| EP2685469B1 (en) * | 2012-07-11 | 2017-05-03 | Nexans | Assembly with at least one superconducting cable |
| KR20160135519A (en) * | 2015-05-18 | 2016-11-28 | 현대중공업 주식회사 | Treatment system of liquefied natural gas |
| CN204704607U (en) * | 2015-06-24 | 2015-10-14 | 青岛泰能汽车燃气发展有限公司 | A kind of cold compensation type liquefied natural gas filling device |
| CN105715952B (en) * | 2016-02-19 | 2018-10-12 | 新奥科技发展有限公司 | Moving energy station and its energy utilization method |
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