CN221570237U - Liquid argon storage tank evaporation gas recycling and back filling system - Google Patents
Liquid argon storage tank evaporation gas recycling and back filling system Download PDFInfo
- Publication number
- CN221570237U CN221570237U CN202323343341.2U CN202323343341U CN221570237U CN 221570237 U CN221570237 U CN 221570237U CN 202323343341 U CN202323343341 U CN 202323343341U CN 221570237 U CN221570237 U CN 221570237U
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- Prior art keywords
- storage tank
- filling
- liquid argon
- pump
- pipeline
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 title claims abstract description 170
- 239000007788 liquid Substances 0.000 title claims abstract description 95
- 229910052786 argon Inorganic materials 0.000 title claims abstract description 85
- 238000001704 evaporation Methods 0.000 title claims abstract description 32
- 230000008020 evaporation Effects 0.000 title claims abstract description 32
- 239000007789 gas Substances 0.000 title claims abstract description 27
- 238000004064 recycling Methods 0.000 title claims abstract description 21
- 238000009792 diffusion process Methods 0.000 claims description 10
- 238000010926 purge Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- XMPZLAQHPIBDSO-UHFFFAOYSA-N argon dimer Chemical compound [Ar].[Ar] XMPZLAQHPIBDSO-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011555 saturated liquid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a liquid argon storage tank evaporation gas recycling and back filling system, and relates to the technical field of liquid energy recycling. This liquid argon storage tank vapor recycle and anti-system of filling, including liquid argon storage tank and filling pump, the left side at liquid argon storage tank top is provided with the urgent safety discharge system in storage tank top, the left side at liquid argon storage tank is provided with storage tank feed liquor pipeline, the left side at liquid argon storage tank bottom is provided with the back return line of filling the car pump, back return line and filling the car pump intercommunication after filling the car pump, the right side intercommunication at liquid argon storage tank bottom has liquid argon storage tank feed pump pipeline and the anti-filling pipeline of storage tank. According to the liquid argon storage tank evaporation gas recycling and back filling system, the vehicle filling system is precooled by utilizing the solar evaporation gas at the top of the liquid argon storage tank, so that the normal cold pump time in summer can be reduced from 25 minutes to 10 minutes, and the waste of cold pump liquid is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of liquid energy recovery, in particular to a liquid argon storage tank evaporation gas recycling and back filling system.
Background
Liquid argon (argon) is liquid argon, is a chemical, is slightly soluble in water, has a chemical formula of Ar and has a melting point: -189.2 ℃, boiling point: -185.9 ℃, density: 1.784 kg/cubic meter; 1394kg/m3 (saturated liquid argon, 1 atm), appearance: colorless odorless gas, solubility: slightly soluble in water
In the air separation project, a part of liquid argon must be discharged before the liquid argon storage tank is filled in the tank, and the liquid argon storage tank is used for precooling the whole filling system, and the industry name is a cold pump. The normal cold pump time in summer is 25 minutes, which causes a great waste of the part of cold pump liquid.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a liquid argon storage tank evaporation gas recycling and reverse filling system, which solves the problem that in an air separation project, a part of liquid argon is required to be discharged before a liquid argon storage tank is filled in a tank, and is used for precooling the whole filling system, and the industry name is a cold pump. The normal cold pump time in summer is 25 minutes, which causes the problem of great waste of the part of cold pump liquid.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a liquid argon storage tank evaporation gas recycling and back filling system comprises a liquid argon storage tank and a vehicle filling pump;
The left side at liquid argon storage tank top is provided with storage tank top emergency safety discharge system, the left side at liquid argon storage tank is provided with storage tank feed liquor pipeline, the left side at liquid argon storage tank bottom is provided with back return line behind the filling pump, back return line and filling pump intercommunication behind the filling pump, the right side intercommunication at liquid argon storage tank bottom has liquid argon storage tank to advance filling pump pipeline and the reverse filling pipeline of storage tank, liquid argon storage tank advances filling pump pipeline and passes through the right side intercommunication at storage tank top day evaporation drain pipe energy utilization pipeline and liquid argon storage tank top, liquid argon storage tank advances filling pump pipeline and filling pump intercommunication, back return line and filling pump intercommunication have filling pump outlet pipeline behind the filling pump.
Preferably, the liquid argon storage tank is fed into the vehicle filling pump pipeline, a storage tank reverse filling pipeline is additionally arranged on the pipeline, and the solar evaporation and diffusion pipe energy utilization pipeline at the top of the storage tank is also connected with the vehicle filling pump pipeline.
Preferably, the energy utilization pipeline of the daily evaporation and diffusion pipe at the top of the storage tank is additionally provided with a pipeline and a valve control system, the daily evaporation and diffusion pipe at the top of the storage tank is led into the filling pipeline and is discharged through the outlet of the pump, the filling pipeline system is precooled by utilizing diffused argon, the precooling time is effectively reduced, and the liquid argon amount required by the cold pump is saved.
Preferably, when the storage tank reverse charging pipeline is used, the storage tank can be reversely charged by the liquid tank wagon, and the liquid storage tank can be purged by connecting purge gas.
Preferably, the pump outlet pipeline of the vehicle charging pump is additionally provided with a discharge port, and when the vehicle charging pump is used, the liquid inlet pipeline of the storage tank is connected with the liquid argon pipe orifice of the cold box outlet in the oxygen generating station, and the emergency safety discharge system at the top of the storage tank is used for recycling the argon energy discharged by the discharge pipe at the top of the storage tank, so that the emergency safety discharge system is upgraded and optimized to ensure the operation safety of the whole system.
(III) beneficial effects
The utility model provides a liquid argon storage tank evaporation gas recycling and back filling system. The device comprises the following
The beneficial effects are that:
The liquid argon storage tank evaporation gas recycling and back filling system, the liquid argon storage tank evaporation gas energy recycling and back filling system is designed. The pre-cooling vehicle filling system can reduce the normal cold pump time in summer from 25 minutes to 10 minutes by utilizing the daily vapor at the top of the liquid argon storage tank, thereby greatly reducing the waste of cold pump liquid.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1. liquid argon storage tank advances to fill car pump pipeline, 2, fills car pump outlet pipeline, 3, storage tank anti-filling pipeline, 4, storage tank top day evaporation and release the pipe energy utilization pipeline, 5, fill car pump back return line, 6, storage tank feed liquor pipeline, 7, storage tank top emergency safety discharge system.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides a technical solution: a liquid argon storage tank evaporation gas recycling and back filling system comprises a liquid argon storage tank and a vehicle filling pump;
The left side at the top of the liquid argon storage tank is provided with a storage tank top emergency safety discharge system 7, the left side of the liquid argon storage tank is provided with a storage tank liquid inlet pipeline 6, the left side at the bottom of the liquid argon storage tank is provided with a vehicle charging pump rear return pipeline 5, the vehicle charging pump rear return pipeline 5 is communicated with a vehicle charging pump, the right side at the bottom of the liquid argon storage tank is communicated with a liquid argon storage tank vehicle charging pump inlet pipeline 1 and a storage tank reverse charging pipeline 3, the liquid argon storage tank vehicle charging pump inlet pipeline 1 is communicated with the right side at the top of the liquid argon storage tank through a storage tank top solar evaporation and release pipe energy utilization pipeline 4, the liquid argon storage tank vehicle charging pump inlet pipeline 1 is communicated with a vehicle charging pump, and the vehicle charging pump rear return pipeline 5 is communicated with the vehicle charging pump rear return pipeline 5 and the vehicle charging pump is communicated with a vehicle charging pump outlet pipeline 2;
The liquid argon storage tank is fed into a vehicle filling pump pipeline, a storage tank reverse filling pipeline 3 is additionally arranged on the pipeline, and an energy utilization pipeline of a solar evaporation and diffusion pipe at the top of the storage tank is also connected with the vehicle filling pump pipeline;
The energy utilization pipeline of the daily evaporation discharge pipe at the top of the storage tank is led into the filling pipeline by additionally arranging the pipeline and the valve control system, and is discharged through the outlet of the pump, and the discharge argon is utilized to precool the filling pipeline system, so that the precooling time is effectively reduced, and the liquid argon amount required by the cold pump is saved;
The storage tank reverse filling pipeline 3 can be used for reversely filling the storage tank by utilizing the liquid tank truck when in use, and can also be connected with purge gas to purge the liquid storage tank;
The discharge port is additionally arranged on the pump outlet pipeline of the vehicle charging pump, and when the vehicle charging pump is used, the liquid inlet pipeline of the storage tank is connected with the liquid argon pipe orifice of the outlet of the cold box in the oxygen generating station, and the emergency safety discharge system at the top of the storage tank is used for recycling the argon energy discharged by the discharge pipe at the top of the storage tank, so that the emergency safety discharge system is upgraded and optimized to ensure the operation safety of the whole system.
When the liquid argon storage tank is in operation, the liquid argon storage tank is fed into the pump pipeline of the charging vehicle, the storage tank reverse charging pipeline is additionally arranged on the pipeline, and the energy utilization pipeline of the solar evaporation and diffusion pipe at the top of the storage tank is also connected with the pipeline. The pump outlet pipeline of the charging pump is additionally provided with a back return pipeline of the charging pump, and a discharge port is additionally arranged. The storage tank reverse filling pipeline can be used for reversely filling the storage tank by utilizing the liquid tank wagon, and can also be connected with purge gas to purge the liquid storage tank. The energy utilization pipeline of the daily evaporation and diffusion pipe at the top of the storage tank is used for guiding the daily evaporation and diffusion pipe at the top of the storage tank into the filling pipeline through the additionally arranged pipeline and the valve control system, discharging is carried out through the outlet of the pump, and the daily evaporation and diffusion argon gas of the storage tank is utilized for precooling the filling pipeline system. And the emergency safety discharge system at the top of the storage tank is required to be upgraded and optimized to ensure the operation safety of the whole system because the argon energy discharged by the discharge pipe at the top of the storage tank is recycled.
The normal cold pump time in summer is 25 minutes, the cold pump argon amount of 15 minutes can be saved by introducing the daily evaporation blow-down pipe at the top of the storage tank into the filling pipeline, discharging the cold pump through the outlet of the pump, and reducing the precooling time to 10 minutes. Assuming a liquid flow rate of 0.5m/s, considering a DN40 filling tube diameter, there is approximately 0.56 cubic meter of liquid argon for 15 minutes, which is equivalent to 440 cubic meters of argon. The liquid argon storage tank evaporation gas energy recycling and reverse filling system can save 440 cubic meters of argon gas for each filling, and creates certain benefits for factory operation.
In summary, according to the liquid argon storage tank evaporation gas recycling and back filling system, the vehicle filling system is precooled by utilizing the solar evaporation gas at the top of the liquid argon storage tank, so that the normal cold pump time in summer can be reduced from 25 minutes to 10 minutes, and the waste of cold pump liquid is greatly reduced.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A liquid argon storage tank evaporation gas recycling and back filling system comprises a liquid argon storage tank and a vehicle filling pump;
the method is characterized in that: the left side at liquid argon storage tank top is provided with storage tank top emergency safety discharge system (7), the left side at liquid argon storage tank is provided with storage tank feed liquor pipeline (6), the left side at liquid argon storage tank bottom is provided with back return line (5) of filling car pump, back return line (5) of filling car pump communicate with filling car pump, the right side intercommunication at liquid argon storage tank bottom has liquid argon storage tank to advance to fill car pump line (1) and storage tank anti-filling line (3), liquid argon storage tank advances to fill car pump line (1) and passes through storage tank top day evaporation and release pipe energy utilization pipeline (4) and the right side intercommunication at liquid argon storage tank top, liquid argon storage tank advances to fill car pump line (1) and fills car pump intercommunication, back return line (5) and filling car pump intercommunication have to fill car pump out line (2).
2. The liquid argon storage tank boil-off gas recycling and back-filling system according to claim 1, wherein: the liquid argon storage tank is fed into the vehicle filling pump pipeline, a storage tank reverse filling pipeline (3) is additionally arranged on the pipeline, and the solar evaporation and diffusion pipe energy utilization pipeline at the top of the storage tank is also connected with the vehicle filling pump pipeline.
3. The liquid argon storage tank boil-off gas recycling and back-filling system according to claim 1, wherein: the energy utilization pipeline of the daily evaporation and diffusion pipe at the top of the storage tank is led into the filling pipeline by additionally arranging the pipeline and the valve control system, the storage tank is discharged through the outlet of the pump, the filling pipeline system is precooled by utilizing diffused argon, the precooling time is effectively reduced, and the liquid argon amount required by the cold pump is saved.
4. The liquid argon storage tank boil-off gas recycling and back-filling system according to claim 1, wherein: when the storage tank reverse charging pipeline (3) is used, the storage tank is reversely charged by the liquid tank wagon, or the liquid storage tank is purged by connecting purge gas.
5. The liquid argon storage tank boil-off gas recycling and back-filling system according to claim 1, wherein: and a discharge outlet is additionally arranged on the pump outlet pipeline of the vehicle charging pump, and when the vehicle charging pump is used, the liquid inlet pipeline of the storage tank is connected with the liquid argon pipe orifice of the outlet of the cold box in the oxygen generating station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323343341.2U CN221570237U (en) | 2023-12-08 | 2023-12-08 | Liquid argon storage tank evaporation gas recycling and back filling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323343341.2U CN221570237U (en) | 2023-12-08 | 2023-12-08 | Liquid argon storage tank evaporation gas recycling and back filling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221570237U true CN221570237U (en) | 2024-08-20 |
Family
ID=92269899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323343341.2U Active CN221570237U (en) | 2023-12-08 | 2023-12-08 | Liquid argon storage tank evaporation gas recycling and back filling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221570237U (en) |
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2023
- 2023-12-08 CN CN202323343341.2U patent/CN221570237U/en active Active
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