CN114992515A - Liquefied natural gas and superconducting energy simultaneous transportation pipeline - Google Patents
Liquefied natural gas and superconducting energy simultaneous transportation pipeline Download PDFInfo
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- CN114992515A CN114992515A CN202110225165.9A CN202110225165A CN114992515A CN 114992515 A CN114992515 A CN 114992515A CN 202110225165 A CN202110225165 A CN 202110225165A CN 114992515 A CN114992515 A CN 114992515A
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- Prior art keywords
- pipeline
- natural gas
- liquefied natural
- lng
- superconducting
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- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 110
- 238000009413 insulation Methods 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 229920000582 polyisocyanurate Polymers 0.000 claims description 5
- 239000011495 polyisocyanurate Substances 0.000 claims description 5
- 239000004965 Silica aerogel Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 abstract description 7
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 3
- 239000003507 refrigerant Substances 0.000 description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007789 gas Substances 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
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Images
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a simultaneous transportation pipeline for liquefied natural gas and superconducting energy, which relates to the technical field of energy transportation pipelines, and comprises: an outer conduit; the cold insulation layer is wrapped on the periphery of the outer pipeline; the liquefied natural gas pipeline and the superconducting cable are arranged in the outer pipeline in a penetrating way; the limiting frame is arranged inside the outer pipeline and used for limiting the position of the liquefied natural gas pipeline inside the outer pipeline; a cold insulation medium filled in the outer pipe and flowing, the liquefied natural gas pipe and the superconducting cable being immersed by the cold insulation medium; according to the same-transmission pipeline, the liquefied natural gas pipeline and the superconducting cable are arranged in the outer pipeline, and the cold insulation medium is filled in the outer pipeline, so that the low-temperature environment of superconducting transformation is provided for the superconducting cable while the transmission temperature of the liquefied natural gas is ensured, and the refrigeration cost is saved.
Description
Technical Field
The invention belongs to the technical field of energy transmission pipelines, and particularly relates to a co-transmission pipeline for liquefied natural gas and superconducting energy.
Background
In recent years, the technology of liquefied natural gas is rapidly developed in China, and the liquefied natural gas can be used as a refrigerant medium at the temperature of minus 161.5 ℃ under normal pressure and at a lower temperature. After 1 cubic meter of liquefied natural gas is gasified, the volume is expanded by 600 times, and a large amount of natural gas is transported more economically by adopting liquid transportation than gas transportation.
The superconducting material has extremely low resistance and small transmission loss, and is an ideal transmission material. However, the current superconducting materials all require extremely low temperature to form a superconducting state, so that a cold medium is needed to make the superconducting transmission cable below the superconducting critical transition temperature in engineering so as to transmit power in a superconducting manner.
The conventional liquefied natural gas conveying adopts a refrigerating device to ensure the liquefaction of the liquefied natural gas, and the conventional refrigerating device for the liquefaction of the natural gas has higher power consumption, so the conveying cost of the liquefied natural gas is higher; the use of the superconducting cable also needs to provide enough cold medium quality to ensure the low-temperature application environment of the superconducting cable, and the refrigeration cost is higher.
Disclosure of Invention
The invention aims to provide a liquefied natural gas and superconducting energy simultaneous transmission pipeline aiming at the defects in the prior art, the liquefied natural gas pipeline and a superconducting cable are arranged in an outer pipeline of the simultaneous transmission pipeline, and a cold insulation medium is filled in the outer pipeline, so that a low-temperature environment for superconducting transformation is provided for the superconducting cable while the transmission temperature of the liquefied natural gas is ensured, and the refrigeration cost is saved.
In order to achieve the above object, the present invention provides a co-transport pipeline for liquefied natural gas and superconducting energy, the co-transport pipeline comprising:
an outer conduit;
the cold insulation layer is wrapped on the periphery of the outer pipeline;
the liquefied natural gas pipeline and the superconducting cable penetrate through the inner part of the outer pipeline;
the limiting frame is arranged inside the outer pipeline and used for limiting the position of the liquefied natural gas pipeline inside the outer pipeline;
and a cold insulation medium filled in the outer pipe and flowing, the cold insulation medium immersing the liquefied natural gas pipe and the superconducting cable.
Optionally, the material of the cold insulation layer is polyisocyanurate and/or silica aerogel felt.
Optionally, one side of the outer pipe is provided with a pressure gauge and a safety valve.
Optionally, the liquefied natural gas pipe is provided with a plurality of the superconducting cables.
Optionally, the input end of the co-transportation pipeline is connected with an lng main, and the lng main is communicated with a plurality of the lng pipelines.
Optionally, the liquefied natural gas pipeline is provided with three, superconducting cable is provided with two, three the liquefied natural gas pipeline is the setting of delta font and is in the inside upside of outer pipeline, two superconducting cable sets up the inside downside of outer pipeline.
Optionally, the limiting frame comprises a first beam, the length of the first beam is equal to the inner diameter of the outer pipeline, an inverted V-shaped first support is arranged on the upper side of the first beam, the first support and the first beam form a first limiting area in an equilateral triangle, and the three liquefied natural gas pipelines are arranged in the first limiting area in a shape like a Chinese character 'pin'.
Optionally, the limiting frame includes a second cross beam, the length of the second cross beam is equal to the inner diameter of the outer pipeline, a V-shaped second support is arranged on the upper side of the second cross beam, two ends of the opening side of the second support are connected through a first connecting beam and enclose into a second limiting area of an equilateral triangle, two ends of the opening side of the second support are connected with two ends of the second cross beam through a second connecting beam and a third connecting beam respectively and enclose into a third limiting area and a fourth limiting area, and the three lng pipelines are arranged in the second limiting area, the third limiting area and the fourth limiting area respectively.
Optionally, the limiting frame is provided with a plurality of limiting frames, and the plurality of limiting frames are arranged along the axial direction of the outer pipeline at intervals.
Optionally, the cold insulation medium is liquid nitrogen.
The invention provides a pipeline for simultaneously transporting liquefied natural gas and superconducting energy, which has the beneficial effects that:
1. the liquefied natural gas pipeline and the superconducting cable are arranged in the outer pipeline of the simultaneous transmission pipeline, and the cold insulation medium is filled in the outer pipeline, so that the low-temperature environment of superconducting transformation is provided for the superconducting cable while the transmission temperature of the liquefied natural gas is ensured, and the refrigeration cost is saved;
2. the simultaneous transportation pipeline limits the liquefied natural gas pipeline through the limiting frame, avoids the liquefied natural gas pipeline from being broken due to overlarge deflection, and can ensure that the flow of a cold insulation medium in the external pipeline is not influenced by the limiting frame;
3. this with defeated pipeline utilizes many liquefied natural gas pipelines and liquefied natural gas house steward to be connected, has increased liquefied natural gas pipeline's surface area under the prerequisite that total delivery flow is equivalent, has increased heat transfer area, has improved the transmission effect of refrigerant when liquefied natural gas is as the refrigerant.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic cross-sectional view of a co-transmission pipeline of liquefied natural gas and superconducting energy according to an embodiment of the invention.
Fig. 2 shows a schematic cross-sectional view of a co-transmission pipeline of liquefied natural gas and superconducting energy according to another embodiment of the invention.
Description of reference numerals:
1. an outer conduit; 2. a cold insulation layer; 3. a liquefied natural gas pipeline; 4. a superconducting cable; 5. a limiting frame; 6. a cold-insulating medium; 7. a first cross member; 8. a first bracket; 9. a second cross member; 10. a second bracket; 11. a first connecting beam; 12. a second connecting beam; 13. and a third connecting beam.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides a simultaneous transmission pipeline for liquefied natural gas and superconducting energy, which comprises:
an outer pipe;
the cold insulation layer is wrapped on the periphery of the outer pipeline;
the liquefied natural gas pipeline and the superconducting cable are arranged in the outer pipeline in a penetrating way;
the limiting frame is arranged inside the outer pipeline and used for limiting the position of the liquefied natural gas pipeline inside the outer pipeline;
and the cold insulation medium is filled in the outer pipeline and flows, and the liquefied natural gas pipeline and the superconducting cable are immersed by the cold insulation medium.
Specifically, the cold insulation medium in the outer pipeline can flow in the outer pipeline, the liquefied natural gas pipeline and the superconducting cable are always immersed in the cold insulation medium, and the cold insulation layer outside the outer pipeline plays a role in heat insulation, reduces heat conduction of the outer wall of the outer pipeline and keeps a low-temperature environment in the outer pipeline; when the liquefied natural gas is conveyed in the liquefied natural gas pipeline, on one hand, the low-temperature environment outside the liquefied natural gas pipeline is ensured by the cold insulation medium, on the other hand, the liquefied natural gas serving as the refrigerant can be used as the refrigerant of the superconducting cable together with the cold insulation medium, the external environment temperature of the superconducting cable is ensured to be below the superconducting critical transition temperature, and the refrigeration cost is saved.
Optionally, the material of the cold-retention layer is polyisocyanurate and/or silica aerogel blanket.
In particular, polyisocyanurate is a cryogenic insulation material that can be used for the insulation needs of various pipes, equipment and buildings ranging from-196 ℃ to +120 ℃.
Optionally, one side of the outer conduit is provided with a pressure gauge and a safety valve.
Specifically, the manometer can real-time supervision outer pipeline internal pressure, can carry out the pressure release through the relief valve when pressure is too big, guarantees this with defeated pipeline's safety.
Alternatively, the liquefied natural gas pipe is provided with a plurality of pieces, and the superconducting cable is provided with a plurality of pieces.
Optionally, the input end of the common transportation pipeline is connected with an lng main, and the lng main is communicated with a plurality of lng pipelines.
Specifically, through the inside many liquefied natural gas pipelines of outer pipeline and the liquefied natural gas house steward of external input end be connected, increase natural gas pipeline's surface area under the equal prerequisite of total flow, increase heat transfer area, improved the transmission effect of refrigerant when liquefied natural gas is as the refrigerant.
Optionally, the number of the liquefied natural gas pipes is three, the number of the superconducting cables is two, the three liquefied natural gas pipes are arranged on the upper side of the inner portion of the outer pipe in a delta shape, and the two superconducting cables are arranged on the lower side of the inner portion of the outer pipe.
Specifically, three liquefied natural gas pipelines arranged in a triangular shape can effectively utilize the space on the upper side inside the outer pipeline, and when the liquefied natural gas pipelines are used as refrigerants, a good refrigerant transfer effect is ensured.
Optionally, the limiting frame comprises a first beam, the length of the first beam is equal to the inner diameter of the outer pipeline, an inverted V-shaped first support is arranged on the upper side of the first beam, the first support and the first beam form a first limiting area of an equilateral triangle, and the three liquefied natural gas pipelines are arranged in the first limiting area in a delta shape.
Specifically, three liquefied natural gas pipeline concentrate arrange in first spacing district, and three liquefied natural gas pipeline form an integral structure under spacing's limiting displacement, can improve the bulk rigidity, and the fracture is caused by spacing support bearing in three liquefied natural gas pipeline's below, avoids its amount of deflection too big.
Optionally, the limiting frame comprises a second beam, the length of the second beam is equal to the inner diameter of the outer pipeline, a V-shaped second support is arranged on the upper side of the second beam, two ends of the opening side of the second support are connected through a first connecting beam and enclose a second limiting area in an equilateral triangle, two ends of the opening side of the second support are connected with two ends of the second beam through a second connecting beam and a third connecting beam respectively and enclose a third limiting area and a fourth limiting area, and the three liquefied natural gas pipelines are arranged in the second limiting area, the third limiting area and the fourth limiting area respectively.
Specifically, the second beam, the first connecting beam, the second connecting beam and the third connecting beam are connected to form a frame type structure which is internally connected to the inner periphery of the outer pipeline, the inner second support has a reinforcing effect, the strength and the rigidity of the limiting frame are improved, and the supporting effect of the limiting frame on the liquefied natural gas pipeline is improved.
Optionally, the limiting frame is provided with a plurality of limiting frames, and the plurality of limiting frames are arranged at intervals along the axial direction of the outer pipeline.
Specifically, the liquefied natural gas pipeline is limited through the limiting frame, the liquefied natural gas pipeline is prevented from being broken due to overlarge deflection, and the fact that the flow of cold insulation media in the outer pipeline is not influenced by the limiting frame can be guaranteed.
Optionally, the cold-keeping medium is liquid nitrogen.
In other examples, the cold insulation medium may be liquid hydrogen, liquid oxygen, liquid helium, liquid neon, liquid argon, or the like.
Examples
As shown in fig. 1 and 2, the present invention provides a pipeline for co-transporting lng and superconducting energy, the pipeline comprising:
an outer pipe 1;
a cold insulation layer 2 wrapping the periphery of the outer pipeline 1;
the liquefied natural gas pipeline 3 and the superconducting cable 4 are arranged in the outer pipeline 1 in a penetrating way;
the limiting frame 5 is arranged inside the outer pipeline 1 and used for limiting the position of the liquefied natural gas pipeline 3 inside the outer pipeline 1;
the cold insulating medium 6 is filled in the outer pipe 1 and flows, and the liquefied natural gas pipe 3 and the superconducting cable 4 are immersed in the cold insulating medium 6.
In the present embodiment, the material of the cold insulation layer 2 is polyisocyanurate and/or silica aerogel felt.
In this embodiment, one side of the outer pipe 1 is provided with a pressure gauge and a safety valve.
In the present embodiment, a plurality of the liquefied natural gas pipes 3 are provided, and a plurality of the superconducting cables 4 are provided.
In this embodiment, the input end of the common transportation pipeline is connected to the lng main, and the lng main is communicated with the plurality of lng pipelines 3.
In the present embodiment, three liquefied natural gas pipes 3 are provided, and two superconducting cables 4 are provided, the three liquefied natural gas pipes 3 being provided at the upper side inside the outer pipe 1 in a delta shape, and the two superconducting cables 4 being provided at the lower side inside the outer pipe 1.
In this embodiment, the limiting frame 5 includes a first beam 7, the length of the first beam 7 is equal to the inner diameter of the outer pipe 1, an inverted V-shaped first support 8 is arranged on the upper side of the first beam 7, the first support 8 and the first beam 7 enclose a first limiting area in the shape of an equilateral triangle, and the three lng pipes 3 are arranged in the first limiting area in the shape of a Chinese character 'pin'.
In another embodiment, the limiting frame comprises a second beam 9, the length of the second beam 9 is equal to the inner diameter of the outer pipeline 1, a V-shaped second support 10 is arranged on the upper side of the second beam 9, two ends of the opening side of the second support 10 are connected through a first connecting beam 11 and enclose a second limiting area in an equilateral triangle, two ends of the opening side of the second support 10 are connected with two ends of the second beam 9 through a second connecting beam 12 and a third connecting beam 13 respectively and enclose a third limiting area and a fourth limiting area, and the three liquefied natural gas pipelines 3 are arranged in the second limiting area, the third limiting area and the fourth limiting area respectively.
In the present embodiment, the plurality of limiting frames 5 are provided, and the plurality of limiting frames 5 are provided at intervals along the axial direction of the outer pipe 1.
In the present embodiment, the cold insulating medium 6 is liquid nitrogen.
In summary, when the liquefied natural gas superconducting energy source is used with a transmission pipeline, liquefied natural gas is transmitted into three liquefied natural gas pipelines 3 through a liquefied natural gas main pipe, liquid nitrogen is introduced into an outer pipeline 1, the low-temperature environment inside the outer pipeline 1 is ensured by using the liquid nitrogen, meanwhile, the liquefied natural gas flows in the liquefied natural gas pipelines 3, the liquid nitrogen can use the cold energy of the liquefied natural gas and the liquid nitrogen together as a refrigerant of a superconducting cable 4, and the external environment temperature of the superconducting cable 4 is ensured to be below the superconducting critical transition temperature; the simultaneous transmission pipeline simultaneously realizes refrigeration of liquefied natural gas and the superconducting cable 4 in the transmission process by using liquid nitrogen, has good refrigeration effect and saves energy.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A co-transport pipeline for liquefied natural gas and superconducting energy, the co-transport pipeline comprising:
an outer conduit;
the cold insulation layer is wrapped on the periphery of the outer pipeline;
the liquefied natural gas pipeline and the superconducting cable penetrate through the inner part of the outer pipeline;
the limiting frame is arranged inside the outer pipeline and used for limiting the position of the liquefied natural gas pipeline inside the outer pipeline;
and a cold insulation medium filled in the outer pipe and flowing, wherein the liquefied natural gas pipe and the superconducting cable are immersed by the cold insulation medium.
2. The pipeline of claim 1, wherein the material of the cold insulation layer is polyisocyanurate and/or silica aerogel felt.
3. The lng and superconducting energy co-transmission pipeline according to claim 1, wherein a pressure gauge and a safety valve are provided at one side of the outer pipeline.
4. The lng and superconducting energy co-transmission pipeline according to claim 1, wherein the lng pipeline is provided with a plurality of the superconducting cables.
5. The LNG and superconducting energy co-transmission pipeline according to claim 4, wherein an input end of the co-transmission pipeline is connected with an LNG main, and the LNG main is communicated with a plurality of the LNG pipelines.
6. The LNG and superconducting energy simultaneous transmission pipeline according to claim 4, wherein there are three LNG pipelines, two superconducting cables are provided, the three LNG pipelines are disposed at an upper side of an inner portion of the outer pipeline in a delta shape, and the two superconducting cables are disposed at a lower side of the inner portion of the outer pipeline.
7. The LNG and superconducting energy simultaneous transmission pipeline according to claim 6, wherein the limiting frame comprises a first beam, the length of the first beam is equal to the inner diameter of the outer pipeline, an inverted V-shaped first support is arranged on the upper side of the first beam, the first support and the first beam define a first limiting area of an equilateral triangle, and the three LNG pipelines are arranged in the first limiting area in a delta shape.
8. The LNG and superconducting energy co-transmission pipeline according to claim 6, wherein the limiting frame comprises a second beam, the length of the second beam is equal to the inner diameter of the outer pipeline, a V-shaped second support is arranged on the upper side of the second beam, two ends of the opening side of the second support are connected through a first connecting beam and enclose a second limiting area in an equilateral triangle, two ends of the opening side of the second support are connected with two ends of the second beam through a second connecting beam and a third connecting beam respectively and enclose a third limiting area and a fourth limiting area, and the three LNG pipelines are arranged in the second limiting area, the third limiting area and the fourth limiting area respectively.
9. The liquefied natural gas and superconducting energy simultaneous transmission pipeline according to claim 1, wherein the limiting frames are provided in plurality, and the plurality of limiting frames are arranged at intervals along the axial direction of the outer pipeline.
10. The LNG and superconducting energy co-transport pipeline according to claim 1, wherein the cold-insulating medium is liquid nitrogen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110225165.9A CN114992515A (en) | 2021-03-01 | 2021-03-01 | Liquefied natural gas and superconducting energy simultaneous transportation pipeline |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110225165.9A CN114992515A (en) | 2021-03-01 | 2021-03-01 | Liquefied natural gas and superconducting energy simultaneous transportation pipeline |
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| CN203421332U (en) * | 2013-06-26 | 2014-02-05 | 常州市西林邹傅水泥制品厂 | Multipurpose pipeline |
| CN204141151U (en) * | 2014-04-09 | 2015-02-04 | 石家庄安瑞科气体机械有限公司 | Pipeline support and cryogenic liquide conveyance conduit |
| CN204533978U (en) * | 2015-02-15 | 2015-08-05 | Gti服务有限公司 | The heat insulation layer structure of LNG pipeline |
| CN105179823A (en) * | 2015-09-29 | 2015-12-23 | 四川师范大学 | Liquidation shale gas-liquid nitrogen-superconduction direct current cable composite energy resource transmission system |
| CN107631105A (en) * | 2017-09-15 | 2018-01-26 | 四川师范大学 | Liquefy shale gas liquefied nitrogen, superconducting cable compound energy pipe design method |
| CN207961780U (en) * | 2017-12-30 | 2018-10-12 | 浙江万华不锈钢有限公司 | A kind of reinforced steel pipe |
| CN108895214A (en) * | 2018-06-21 | 2018-11-27 | 中山莱通金属科技有限公司 | Multi-cavity metal tube and processing method |
| CN109140064A (en) * | 2018-07-20 | 2019-01-04 | 中国科学院电工研究所 | A kind of superconducting energy pipeline that low temp fuel conduction is cooling |
| CN209115894U (en) * | 2018-09-04 | 2019-07-16 | 中石化广州工程有限公司 | A kind of guiding trestle for deep cooling pipeline |
| CN109282089A (en) * | 2018-11-30 | 2019-01-29 | 江苏洁润管业有限公司 | A kind of binary channels multiple tube |
| CN209511315U (en) * | 2018-12-22 | 2019-10-18 | 广州信德建筑技术有限公司 | A kind of heat preservation that open air uses tube bank |
| CN110021460A (en) * | 2019-04-29 | 2019-07-16 | 中国科学院电工研究所 | A kind of superconducting energy pipeline of the resistance to ablation of impact resistance |
| CN111832190A (en) * | 2020-07-28 | 2020-10-27 | 中国石油天然气集团有限公司 | Installation design method of oil pipeline in high and cold frozen soil region |
| CN111878642A (en) * | 2020-08-28 | 2020-11-03 | 中国华能集团清洁能源技术研究院有限公司 | Three-pipe shell-sharing direct-buried heat supply pipeline |
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