CN117989463A - Tank container with condensing coil - Google Patents
Tank container with condensing coil Download PDFInfo
- Publication number
- CN117989463A CN117989463A CN202410266816.2A CN202410266816A CN117989463A CN 117989463 A CN117989463 A CN 117989463A CN 202410266816 A CN202410266816 A CN 202410266816A CN 117989463 A CN117989463 A CN 117989463A
- Authority
- CN
- China
- Prior art keywords
- condensing coil
- interlayer
- pipes
- pipe
- pipeline
- 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.)
- Pending
Links
- 239000011229 interlayer Substances 0.000 claims abstract description 55
- 239000010410 layer Substances 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 239000012071 phase Substances 0.000 claims description 5
- 239000007791 liquid phase Substances 0.000 claims description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 3
- 239000003949 liquefied natural gas Substances 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The invention discloses a tank container with a condensing coil, which comprises: the box frame is fixed with the jar body in the box frame, and the jar body includes: the inner cavity top of the inner cylinder body is provided with an upper condensing coil, the bottom of the inner cavity of the inner cylinder body is provided with a lower condensing coil, the tank body is provided with two upper clamping layers, two lower clamping layers, an upper outer pipeline and a lower outer pipeline, the two upper clamping layers penetrate through the outer cylinder body from the outer side and then penetrate into the vacuum interlayer respectively, the inner ports of the two upper clamping layers are connected with the inlet and the outlet of the upper condensing coil respectively, the two lower clamping layers penetrate through the outer cylinder body from the outer side and then penetrate into the vacuum interlayer respectively, and the inner ports of the two lower clamping layers are connected with the inlet and the outlet of the lower condensing coil respectively. The tank container is provided with the upper condensing coil and the lower condensing coil in the inner cylinder, and can cool the liquefied gas stored in the inner cylinder by introducing a cold source into the condensing coil, so that the loss of the liquefied gas can be reduced.
Description
Technical Field
The invention relates to the field of low-temperature cryogenic storage tanks, in particular to a tank container with a condensing coil.
Background
LNG tank container is as a portable pressure vessel that can "one station to one end" multi-mode intermodal ", because its high efficiency economy and can the fast switch over function of using, is applicable to the characteristics of different scenes such as highway, marine transport and railway, is used in the storage and the in-process of transporting of green energy liquefied natural gas more and more. Based on the transportation characteristics of the ultra-long distance and the ultra-long time, the LNG tank container can maintain the medium pressure in the tank and ensure that the gas phase is not discharged, so that the LNG tank container becomes an important index for measuring the comprehensive performance of the LNG tank container.
The container body of the LNG tank container is a high-vacuum multilayer winding double-layer pressure container, LNG medium is contained in the inner cylinder body, and an interlayer space formed between the inner cylinder body and the outer cylinder body is wound with an aluminum foil and glass fiber cotton heat insulating material and vacuumizes the heat insulating material. Nevertheless, heat can be transferred from the environment to the medium in the inner cylinder by convection, conduction and radiation, and as the heat is transferred, the temperature in the tank increases, the pressure increases, and finally the trip pressure of the safety valve is reached, and the safety valve is discharged to the atmosphere through the vent pipeline.
First, LNG, as a flammable and explosive medium, has considerable safety hazards associated with its large emissions, particularly in densely populated areas, which can be inconceivable as a result of an explosion upon ignition. Second, natural gas prices are continually rising and LNG tank containers are certainly not expected to see emissions lost due to elevated temperature and pressure.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: a tank container with condensing coil which can cool down the gas stored in the inner cylinder will be provided.
In order to solve the problems, the invention adopts the following technical scheme: a tank container with condensing coil, comprising: the box frame is fixed with horizontal jar body in box frame, and jar body includes: the outer barrel and interior barrel, interior barrel are installed in outer barrel, are provided with the vacuum intermediate layer between interior barrel and the outer barrel, are used for storing liquefied gas in the interior barrel, its characterized in that: an upper condensing coil pipe for cooling a gas phase is arranged at the top of an inner cavity of the inner cylinder body, a lower condensing coil pipe for cooling a liquid phase is arranged at the bottom of the inner cavity of the inner cylinder body, two upper interlayer pipes, two lower interlayer pipes, an upper outer pipeline and a lower outer pipeline are also arranged on the tank body, the two upper interlayer pipes penetrate through the outer cylinder body from the outer side and then enter the vacuum interlayer and then respectively penetrate into the inner cylinder body, the inner ports of the two upper interlayer pipes are respectively connected with the inlet and the outlet of the upper condensing coil pipe, so that a cold source can enter the upper condensing coil pipe through one upper interlayer pipe and then be discharged from the other upper interlayer pipe, the two lower interlayer pipes penetrate through the outer cylinder body from the outer side and then respectively penetrate into the inner cylinder body, and the inner ports of the two lower interlayer pipes are respectively connected with the inlet and the outlet of the lower condensing coil pipe, so that the cold source can enter the lower condensing coil pipe through one lower interlayer pipe and then be discharged from the other lower interlayer pipe; the two upper interlayer pipes are respectively communicated with the upper outer pipeline, and the two lower interlayer pipes are respectively communicated with the lower outer pipeline.
Further, the foregoing tank container with condensing coil, wherein: the two upper interlayer pipes, the two lower interlayer pipes, the upper outer pipeline and the lower outer pipeline are positioned at the same end of the tank body.
Further, the foregoing tank container with condensing coil, wherein: the upper condensing coil and the lower condensing coil are respectively arranged in a serpentine way back and forth along the axial direction of the tank body.
Further, the foregoing tank container with condensing coil, wherein: and the upper outer pipeline and the lower outer pipeline are respectively provided with a stop valve, a pipeline safety valve and a flange.
The invention has the advantages that: the tank container with the condensing coil is provided with the upper condensing coil and the lower condensing coil in the inner cylinder, and can cool the liquefied gas stored in the inner cylinder by introducing a cold source into the condensing coil, so that the loss of the liquefied gas can be reduced.
Drawings
Fig. 1 is a schematic structural view of a tank container with a condensing coil according to the present invention.
Fig. 2 is a schematic perspective view of the inner cylinder according to the present invention.
Detailed Description
The invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
As shown in fig. 1 and 2, a tank container with a condensing coil, comprising: the box frame 1 is fixed with horizontal jar body 2 in box frame 1, and jar body 2 includes: the inner cylinder 3 is arranged in the outer cylinder, a vacuum interlayer is arranged between the inner cylinder 3 and the outer cylinder, an upper condensing coil 4 for cooling a gas phase is arranged at the top of an inner cavity of the inner cylinder 3, a lower condensing coil 5 for cooling a liquid phase is arranged at the bottom of the inner cavity of the inner cylinder 3, two upper interlayer pipes 6, two lower interlayer pipes 7, an upper outer pipeline and a lower outer pipeline are also arranged on the tank 2, the two upper interlayer pipes 6 penetrate through the outer cylinder from the outside into the vacuum interlayer and then respectively penetrate into the inner cylinder 3, the inner ports of the two upper interlayer pipes 6 are respectively connected with the inlet and the outlet of the upper condensing coil 4, so that a cold source can enter the upper condensing coil 4 through one upper interlayer pipe 6 and then be discharged from the other upper interlayer pipe 6, the two lower interlayer pipes 7 penetrate through the body from the outside into the inner cylinder 3 respectively, the inner ports of the two lower interlayer pipes 7 are respectively connected with the inlet and the outlet of the lower condensing coil 5, and then the cold source can enter the other lower interlayer pipe 7 from the other upper interlayer pipe 7; the two upper interlayer pipes 6 are respectively communicated with the upper outer pipeline, and the two lower interlayer pipes 7 are respectively communicated with the lower outer pipeline.
In this embodiment, two upper interlayer pipes 6 and two lower interlayer pipes 7 are located at the same end of the tank body 1, in this embodiment, LNG is stored in the inner cylinder body 3, the LNG pipeline system on the tank body 1 is concentrated and arranged at one end of the tank body 1, and for reasonable and clear layout of the pipeline system, two upper interlayer pipes 6, two lower interlayer pipes 7, an upper outer pipeline and a lower outer pipeline are usually arranged at the other end of the tank body 1.
In order to improve the condensation effect, the upper condensation coil 4 and the lower condensation coil 5 are respectively arranged in a serpentine shape back and forth along the axial direction of the tank body 2.
And the upper outer pipeline and the lower outer pipeline are respectively provided with a stop valve, a pipeline safety valve and a flange. Before condensing the liquefied gas stored in the tank 2, the upper interlayer pipe 6 and the lower interlayer pipe 7 for introducing the cold source need to be connected to the cold source storage tank through respective external pipeline, and the upper interlayer pipe 6 and the lower interlayer pipe 7 for discharging the cold source need to be connected to the recovery pipeline through respective external pipeline, in this embodiment, the cold source is liquid nitrogen.
The liquid nitrogen is used for condensing the gas phase in the inner cylinder 3 after being introduced into the upper condensing coil 4, and is used for cooling the liquid phase in the inner cylinder 3 after being introduced into the lower condensing coil 5, the condensing coil is arranged in a serpentine trend, has a sufficient length, ensures a sufficient heat exchange area between the liquid nitrogen and the LNG, and can bring heat out of the inner cylinder, thereby achieving the effect of cooling and decompressing the LNG inner cylinder. The price of liquid nitrogen for replacing heat is far lower than that of LNG, and the liquid nitrogen completely meets the requirement of economic performance.
Claims (4)
1. A tank container with condensing coil, comprising: the box frame is fixed with horizontal jar body in box frame, and jar body includes: the outer barrel and interior barrel, interior barrel are installed in outer barrel, are provided with the vacuum intermediate layer between interior barrel and the outer barrel, are used for storing liquefied gas in the interior barrel, its characterized in that: an upper condensing coil pipe for cooling a gas phase is arranged at the top of an inner cavity of the inner cylinder body, a lower condensing coil pipe for cooling a liquid phase is arranged at the bottom of the inner cavity of the inner cylinder body, two upper interlayer pipes, two lower interlayer pipes, an upper outer pipeline and a lower outer pipeline are also arranged on the tank body, the two upper interlayer pipes penetrate through the outer cylinder body from the outer side and then enter the vacuum interlayer and then respectively penetrate into the inner cylinder body, the inner ports of the two upper interlayer pipes are respectively connected with the inlet and the outlet of the upper condensing coil pipe, so that a cold source can enter the upper condensing coil pipe through one upper interlayer pipe and then be discharged from the other upper interlayer pipe, the two lower interlayer pipes penetrate through the outer cylinder body from the outer side and then respectively penetrate into the inner cylinder body, and the inner ports of the two lower interlayer pipes are respectively connected with the inlet and the outlet of the lower condensing coil pipe, so that the cold source can enter the lower condensing coil pipe through one lower interlayer pipe and then be discharged from the other lower interlayer pipe; the two upper interlayer pipes are respectively communicated with the upper outer pipeline, and the two lower interlayer pipes are respectively communicated with the lower outer pipeline.
2. A tank container with condensing coil as claimed in claim 1, wherein: the two upper interlayer pipes, the two lower interlayer pipes, the upper outer pipeline and the lower outer pipeline are positioned at the same end of the tank body.
3. A tank container with condensing coil according to claim 1 or 2, characterized in that: the upper condensing coil and the lower condensing coil are respectively arranged in a serpentine way back and forth along the axial direction of the tank body.
4. A tank container with condensing coil according to claim 1 or 2, characterized in that: and the upper outer pipeline and the lower outer pipeline are respectively provided with a stop valve, a pipeline safety valve and a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410266816.2A CN117989463A (en) | 2024-03-08 | 2024-03-08 | Tank container with condensing coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410266816.2A CN117989463A (en) | 2024-03-08 | 2024-03-08 | Tank container with condensing coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117989463A true CN117989463A (en) | 2024-05-07 |
Family
ID=90899093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410266816.2A Pending CN117989463A (en) | 2024-03-08 | 2024-03-08 | Tank container with condensing coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117989463A (en) |
-
2024
- 2024-03-08 CN CN202410266816.2A patent/CN117989463A/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication |