CN218560464U - Safe krypton-xenon raw material liquid unloading system - Google Patents
Safe krypton-xenon raw material liquid unloading system Download PDFInfo
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- CN218560464U CN218560464U CN202222322775.3U CN202222322775U CN218560464U CN 218560464 U CN218560464 U CN 218560464U CN 202222322775 U CN202222322775 U CN 202222322775U CN 218560464 U CN218560464 U CN 218560464U
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- xenon
- krypton
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Abstract
The utility model relates to a safe system of unloading of krypton xenon raw materials liquid belongs to metallurgical industry noble gas preparation technical field. The technical scheme is as follows: the krypton-xenon raw material liquid tank wagon (1) is provided with an oxygen inlet and a raw material liquid outlet, the oxygen inlet of the krypton-xenon raw material liquid tank wagon (1) is connected with a vapor oxygen pipe (6) of a recovered liquid oxygen storage tank through a gas-phase hose (4) of the krypton-xenon raw material liquid tank wagon, the vapor oxygen pipe (6) of the recovered liquid oxygen storage tank is connected with a recovered liquid oxygen storage tank (13), and the recovered liquid oxygen tank (13) is connected with a recovered liquid oxygen tank vaporizer (15); the raw material liquid outlet of the krypton-xenon raw material liquid tank car (1) is connected with a krypton-xenon raw material liquid storage tank (7) through a krypton-xenon raw material liquid tank car liquid-phase hose (5). The utility model has the advantages that: the krypton-xenon raw material liquid in the krypton-xenon raw material liquid tank car can be safely and efficiently pressed into the krypton-xenon raw material liquid storage tank, and risks such as danger and nitrogen pollution are avoided in the unloading process.
Description
Technical Field
The utility model relates to a safe system of unloading of krypton xenon raw materials liquid belongs to metallurgical industry noble gas preparation technical field.
Background
The krypton-xenon raw material liquid is obtained by cooling and concentrating krypton-xenon in air by an air separation plant, mainly contains liquid oxygen and is low-temperature liquid, the liquid oxygen is generally transported by a low-temperature tank truck, and the krypton-xenon raw material liquid needs to be discharged into a raw material liquid storage tank of a crude krypton-xenon purification system (a crude krypton-xenon tower) for further purification. Because krypton and xenon raw material liquid is used for concentrating rare gas in air, harmful substances such as methane, nitrous oxide and the like are concentrated along with the concentration, generally, the content of methane can reach more than 900PPm at most, the content of nitrous oxide can reach more than 100PPm, and the methane and nitrous oxide with high concentration in liquid oxygen can cause explosion and cause very serious accidents if a vaporizer arranged on an automobile tank car is directly used for pressurization unloading, and the methane and nitrous oxide flow in a bent pipeline of the vaporizer along with the flow in the liquid oxygen. If the nitrogen is adopted to pressurize and unload the krypton-xenon raw material liquid from the krypton-xenon raw material liquid to the gas phase side of the krypton-xenon raw material liquid through a gas-phase hose of a krypton-xenon raw material liquid tank car, the nitrogen can enter a crude krypton-xenon tower along with the krypton-xenon raw material liquid, and the nitrogen cannot be removed along with the rectification process in the tower, so that nitrogen pollution can be generated on liquid oxygen in a recovered liquid oxygen storage tank, and the liquid oxygen in the recovered liquid oxygen storage tank cannot be reused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a krypton xenon raw materials liquid system of unloading safely can be safely, during the efficient krypton xenon raw materials liquid impresses the krypton xenon raw materials liquid storage tank in the krypton xenon raw materials liquid tank wagon, avoids appearing danger and nitrogen pollution isorisk at the in-process of unloading, solves the problem that exists among the background art.
The technical scheme of the utility model is that:
a safe krypton-xenon raw material liquid unloading system comprises a krypton-xenon raw material liquid tank truck, a krypton-xenon raw material liquid tank truck gas-phase hose, a krypton-xenon raw material liquid tank truck liquid-phase hose, a recovered liquid-oxygen storage tank evaporated gas-oxygen pipe, a krypton-xenon raw material liquid storage tank, a recovered liquid-oxygen storage tank and a recovered liquid-oxygen tank vaporizer, wherein the krypton-xenon raw material liquid tank truck is provided with an oxygen inlet and a raw material liquid outlet; and a raw material liquid outlet of the krypton-xenon raw material liquid tank truck is connected with a krypton-xenon raw material liquid storage tank through a liquid-phase hose of the krypton-xenon raw material liquid tank truck.
The vaporizer of the recovered liquid oxygen tank is positioned at the bottom of the recovered liquid oxygen tank.
The evaporation gas-oxygen pipe of the recovered liquid-oxygen storage tank is a stainless steel pipe with DN40-100mm, the gas-phase hose of the krypton-xenon raw material liquid tank car is a stainless steel high-pressure-resistant metal hose with DN80mm, and the liquid-phase hose of the krypton-xenon raw material liquid tank car is a stainless steel high-pressure-resistant low-temperature metal hose with DN80 mm.
Adopt the utility model discloses, retrieve inside liquid oxygen evaporation into the gas oxygen through retrieving liquid oxygen jar vaporizer of liquid oxygen jar, oxygen passes through the pipeline and gets into during krypton xenon raw materials liquid tank wagon, impresses the krypton xenon raw materials liquid in the krypton xenon raw materials liquid tank wagon into krypton xenon raw materials liquid storage tank, reaches the purpose of unloading safely.
The utility model has the advantages that: the krypton-xenon raw material liquid in the krypton-xenon raw material liquid tank truck can be safely and efficiently pressed into the krypton-xenon raw material liquid storage tank, risks such as danger and nitrogen pollution in the unloading process are avoided, and the purpose of safe unloading is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a krypton-xenon raw material liquid tank car; 2. a krypton-xenon raw material liquid tank vehicle gas phase; 3. a krypton-xenon raw material liquid phase is carried out in a tank car; 4. krypton-xenon raw material liquid tank car gas-phase hose; 5. a krypton-xenon raw material liquid tank vehicle liquid phase hose; 6. a vapor oxygen pipe of the recovered liquid oxygen storage tank; 7. a krypton-xenon raw material liquid storage tank; 8. a liquid oxygen pump; 9. a crude krypton-xenon column; 10. a cold box; 11. a crude krypton-xenon product tank; 12. a crude krypton-xenon product tank filling port; 13. a liquid oxygen recovery tank; 14. a filling opening of the recovered liquid oxygen tank; 15. a vaporizer of a liquid oxygen recovery tank.
Detailed Description
The invention will be further explained by way of example with reference to the accompanying drawings.
Referring to the attached figure 1, the krypton-xenon raw material liquid safe unloading system comprises a krypton-xenon raw material liquid tank truck 1, a krypton-xenon raw material liquid tank truck gas-phase hose 4, a krypton-xenon raw material liquid tank truck liquid-phase hose 5, a recovered liquid oxygen storage tank evaporated gas-oxygen pipe 6, a krypton-xenon raw material liquid storage tank 7, a recovered liquid oxygen storage tank 13 and a recovered liquid oxygen tank vaporizer 15, wherein the krypton-xenon raw material liquid tank truck 1 is provided with an oxygen inlet and a raw material liquid outlet, the oxygen inlet of the krypton-xenon raw material liquid tank truck 1 is connected with the recovered liquid oxygen storage tank evaporated gas-oxygen pipe 6 through the krypton-xenon raw material liquid tank truck gas-phase hose 4, the recovered liquid oxygen storage tank evaporated gas-oxygen pipe 6 is connected with the recovered liquid oxygen storage tank 13, and the recovered liquid oxygen tank 13 is connected with the recovered liquid oxygen tank vaporizer 15; the raw material liquid outlet of the krypton-xenon raw material liquid tank wagon 1 is connected with a krypton-xenon raw material liquid storage tank 7 through a krypton-xenon raw material liquid tank wagon liquid-phase hose 5.
In this embodiment, referring to fig. 1, the evaporation gas-oxygen pipe 6 of the recovered liquid-oxygen storage tank is a stainless steel pipe with DN40-100mm, the gas-phase hose 4 of the krypton-xenon raw material liquid tank car is a stainless steel high-pressure resistant metal hose with DN80mm, and the liquid-phase hose 5 of the krypton-xenon raw material liquid tank car is a stainless steel high-pressure resistant low-temperature metal hose with DN80 mm.
The composition also comprises a liquid oxygen pump 8, a crude krypton-xenon tower 9, a cold box 10 and a crude krypton-xenon product tank 11, and a krypton-xenon raw material liquid storage tank 7 is used for storing a product in the crude krypton-xenon product tank 11 after the crude krypton-xenon tower 9 is shunted.
The krypton-xenon raw material liquid storage tank 7, the liquid oxygen pump 8, the crude krypton-xenon tower 9, the cold box 10, the crude krypton-xenon product tank 11, the recovered liquid oxygen tank 13 and the recovered liquid oxygen tank vaporizer 15 are all known in the field.
The specific working process is as follows:
the krypton-xenon raw material liquid to be unloaded is stored in a krypton-xenon raw material tank truck 2, when unloading, the krypton-xenon raw material tank truck 1 is firstly parked to a position which is proper to a krypton-xenon raw material liquid storage tank 7, then a krypton-xenon raw material tank truck gas-phase hose 4 and a krypton-xenon raw material tank truck liquid-phase hose 5 are connected, and the fact that the whole pipeline has no obvious leakage is confirmed. Under general conditions, the normal operating pressure of a krypton-xenon raw material liquid storage tank 7 is 0.12-0.15 MPa, the pressure of oxygen in the recovered liquid oxygen storage tank 13 is kept at 0.30-0.35 MPa by adjusting the vaporization amount of a recovered liquid oxygen tank vaporizer 15, the liquid oxygen in the recovered liquid oxygen tank 13 is vaporized into gas oxygen through the recovered liquid oxygen tank vaporizer 15, the oxygen enters a krypton-xenon raw material liquid tank car 1 through a pipeline, krypton-xenon raw material liquid in the krypton-xenon raw material liquid tank car 1 is pressed into the krypton-xenon raw material liquid storage tank 7, and then a product is stored into a crude krypton-xenon product tank 11 after a crude krypton-xenon tower 9 is shunted. The explosion risk of the vaporizer of the krypton-xenon raw material liquid tank car 1 due to high content of methane and nitrous oxide is avoided, nitrogen pollution caused by nitrogen pressurization unloading to liquid oxygen of a recovered liquid oxygen storage tank is also avoided, and the purity of the recovered liquid oxygen is maintained.
Claims (3)
1. The safe krypton-xenon raw material liquid unloading system is characterized in that: the krypton-xenon gas recovery system comprises a krypton-xenon raw material tank car (1), a krypton-xenon raw material tank car gas-phase hose (4), a krypton-xenon raw material tank car liquid-phase hose (5), a recovered liquid-oxygen storage tank evaporated gas-oxygen pipe (6), a krypton-xenon raw material liquid storage tank (7), a recovered liquid-oxygen storage tank (13) and a recovered liquid-oxygen tank vaporizer (15), wherein the krypton-xenon raw material tank car (1) is provided with an oxygen inlet and a raw material liquid outlet, the oxygen inlet of the krypton-xenon raw material tank car (1) is connected with the recovered liquid-oxygen storage tank evaporated gas-oxygen pipe (6) through the krypton-xenon raw material tank car gas-phase hose (4), the recovered liquid-oxygen storage tank evaporated gas-oxygen pipe (6) is connected with the recovered liquid-oxygen storage tank (13), and the recovered liquid-oxygen tank (13) is connected with the recovered liquid-oxygen tank vaporizer (15); the raw material liquid outlet of the krypton-xenon raw material liquid tank car (1) is connected with a krypton-xenon raw material liquid storage tank (7) through a krypton-xenon raw material liquid tank car liquid-phase hose (5).
2. The krypton-xenon feed liquid safe unloading system as claimed in claim 1, wherein: the recovery liquid oxygen tank vaporizer (15) is positioned at the bottom of the recovery liquid oxygen tank (13).
3. The system of claim 2, wherein the system is configured to unload a xenon-krypton feed solution: the evaporation gas-oxygen pipe (6) of the recovered liquid-oxygen storage tank is a stainless steel pipe with DN40-100mm, the gas-phase hose (4) of the krypton-xenon raw material liquid tank car is a stainless steel high-pressure-resistant metal hose with DN80mm, and the liquid-phase hose (5) of the krypton-xenon raw material liquid tank car is a stainless steel high-pressure-resistant low-temperature metal hose with DN80 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222322775.3U CN218560464U (en) | 2022-09-01 | 2022-09-01 | Safe krypton-xenon raw material liquid unloading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222322775.3U CN218560464U (en) | 2022-09-01 | 2022-09-01 | Safe krypton-xenon raw material liquid unloading system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218560464U true CN218560464U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222322775.3U Active CN218560464U (en) | 2022-09-01 | 2022-09-01 | Safe krypton-xenon raw material liquid unloading system |
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| Country | Link |
|---|---|
| CN (1) | CN218560464U (en) |
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2022
- 2022-09-01 CN CN202222322775.3U patent/CN218560464U/en active Active
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Effective date of registration: 20230620 Address after: 056015 Fuxing Road 232, Fuxing District, Hebei, Handan Patentee after: HANDAN IRON & STEEL GROUP Co.,Ltd. Patentee after: Handan Branch of Hegang Co.,Ltd. Patentee after: HEBEI HANGANG XINRUI RARE GAS TECHNOLOGY Co.,Ltd. Address before: 056015 Fuxing Road 232, Fuxing District, Hebei, Handan Patentee before: HANDAN IRON & STEEL GROUP Co.,Ltd. Patentee before: Handan Branch of Hegang Co.,Ltd. Patentee before: HEBEI HANGANG RUIDA GAS Co.,Ltd. |