CN221258546U - High-purity helium filling system - Google Patents
High-purity helium filling systemInfo
- Publication number
- CN221258546U CN221258546U CN202323122655.XU CN202323122655U CN221258546U CN 221258546 U CN221258546 U CN 221258546U CN 202323122655 U CN202323122655 U CN 202323122655U CN 221258546 U CN221258546 U CN 221258546U
- Authority
- CN
- China
- Prior art keywords
- helium
- pipeline
- conveying pipeline
- compressor
- buffer tank
- 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.)
- Active
Links
- 239000001307 helium Substances 0.000 title claims abstract description 193
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 193
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 193
- 239000007789 gas Substances 0.000 claims abstract description 30
- 239000000872 buffer Substances 0.000 claims abstract description 27
- 239000012536 storage buffer Substances 0.000 claims description 15
- 238000005070 sampling Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000006837 decompression Effects 0.000 claims description 4
- 230000003749 cleanliness Effects 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000012824 chemical production Methods 0.000 abstract description 2
- 239000006096 absorbing agent Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Abstract
The utility model relates to a chemical production technology, and discloses a high-purity helium filling system. During the use, high-purity helium from low temperature purifier gets into the helium entry buffer tank through the pipeline, get into the helium compressor after the high-pressure helium passes through the helium entry buffer tank and carries out the pressure boost, high-pressure product gas flows out from the gas outlet of helium compressor and flows to main conveying pipeline through the filter, install the filter after the helium compressor, can prevent to get into the helium impurity that the pipeline led to the filling platform after compressing through the helium compressor, helium fills gas bottle group or helium long tube group from each conveying pipeline according to the pressure of settlement through filling panel, when helium fills mouthful and car connection, there is the air access, the vacuum pump that connects on the conveying pipeline can take away the air in the pipeline, make the helium that gets into in the car pure, also can guarantee the cleanliness factor in the pipeline simultaneously.
Description
Technical Field
The utility model relates to the technical field of chemical production, in particular to a high-purity helium filling system.
Background
Helium is a colorless inert gas that emits deep yellow light when discharged, and is an extremely light colorless, odorless, tasteless monoatomic gas at normal temperature. Helium is the most difficult to liquefy in all gases, is the only substance which cannot be solidified under standard atmospheric pressure, has very inert chemical properties, is difficult to react with other substances under a general state, and has wide application.
To facilitate transport and use of helium, we fill the helium into steel cylinders or dewar tanks with a filling system. When helium is filled, the purified helium enters a filling compressor for compression, then is sent to a tube bundle filling port for filling a transport vehicle, and the other part of the helium is scattered and spliced for filling through a bottled pipeline.
Disclosure of utility model
The application provides a high-purity helium filling system, which solves the problems that helium entering a pipeline after being compressed by a helium compressor and leading to a filling platform may be impure, and the filling amount needs to be calculated in real time due to the change of the temperature and the pressure in a tube bundle vehicle during manual operation, and the time is wasted.
The application provides a high-purity helium filling system, which comprises a helium inlet buffer tank, wherein the helium inlet buffer tank is respectively connected with a low-temperature absorber and a helium compressor through pipelines, a flowmeter is arranged on a pipeline between the low-temperature absorber and the helium inlet buffer tank, the helium compressor is connected with a filter through a pipeline, an air outlet of the filter is connected with a main conveying pipeline, the main conveying pipeline is connected with a branch conveying pipeline, and the branch conveying pipeline is connected with a vacuum pump;
the branch conveying pipeline consists of a first branch conveying pipeline, a second branch conveying pipeline, a third branch conveying pipeline and a fourth branch conveying pipeline;
The first conveying pipeline and the second conveying pipeline are connected to the gas cylinder filling table, the third conveying pipeline is connected to the tube bundle vehicle filling table, the fourth conveying pipeline is connected with a storage buffer tank, and the storage buffer tank is connected with the gas inlet of the helium inlet buffer tank through a return air pipeline.
Preferably, the helium compressor is composed of a first helium compressor and a second helium compressor, and the first helium compressor is connected in parallel with the second helium compressor.
Preferably, each junction of the pipes is provided with a sampling point.
Preferably, each of said sampling points is connected to an on-site analyser by a pipe.
Preferably, a decompression valve and an electromagnetic valve are arranged on the air return pipeline.
Preferably, the cylinder filling table is provided with a 4×4 container grid and a bulk steel cylinder.
Preferably, the third branch conveying pipeline is connected with a helium recovery pipeline.
Preferably, the storage buffer tank is a high-pressure helium long tube group.
According to the technical scheme, the high-purity helium filling system is composed of a helium inlet buffer tank, a helium compressor (one by one), a high-pressure helium long tube group, a vacuum pump, a gas cylinder filling table, a filling panel and the like. When the device is used, high-purity helium from the low-temperature adsorber enters the helium inlet buffer tank through the pipeline, the flowmeter arranged on the pipeline is used for detecting the flow of the helium, the high-pressure helium enters the helium compressor for pressurization after passing through the helium inlet buffer tank, high-pressure product gas flows out from the gas outlet of the helium compressor and flows to the main conveying pipeline through the filter, the filter is arranged after the helium compressor, the helium which enters the pipeline after being compressed by the helium compressor is prevented from leading to the filling platform is impure, the danger caused by the helium is avoided, the helium is filled from the main conveying pipeline to the filling panel, the helium is filled into the gas cylinder group or the helium long pipe group from each conveying pipeline according to the set pressure through the filling panel, the corresponding numerical value is set on the filling panel, the quantity of the helium which needs to be filled after being changed can be calculated in real time on the filling panel, when the helium filling port is connected with the vehicle, the air is connected, and the vacuum pump connected on the branch conveying pipeline can pump the air in the pipeline, so that the helium in the vehicle is pure in the vehicle can be ensured, and meanwhile, the cleanliness in the pipeline can be ensured.
Compared with the prior art, the utility model has the beneficial effects that:
1. the system is provided with the filter after the helium compressor, so that the impurity of helium entering the pipeline to the filling platform after being compressed by the helium compressor can be prevented, the danger caused by the impurity of helium is avoided, and meanwhile, the cleanliness of the gas pipeline is ensured.
2. The system can recover and store helium through the helium recovery pipeline, so that the situation that the helium cannot be recovered when a transport vehicle to be filled with the helium is not needed is prevented, and the waste of the helium is avoided.
3. The system is provided with the filling panel, the automatic control is realized by depending on an automatic system, corresponding numerical values are set on the filling panel, the quantity of helium to be filled can be calculated in real time on the filling panel along with the change of the temperature and the pressure in the tube bundle vehicle, manual operation is not needed, and the system is simple and convenient.
In summary, the filter is installed behind the helium compressor in the high-purity helium filling system, so that the impurity of helium entering the pipeline to the filling platform after being compressed by the helium compressor can be prevented, the danger caused by the impurity of helium is avoided, meanwhile, the cleanliness of the gas transmission pipeline is ensured, the helium is recycled and stored through the storage buffer tank, and the waste of the helium caused by the fact that the helium cannot be recycled when a transport vehicle to be filled with the helium is not needed is prevented.
Drawings
For a clearer description of the technical solutions of the present utility model, the drawings that are required to be used in the embodiments will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without making any effort.
FIG. 1 is a schematic illustration of a high purity helium filling system according to the present utility model;
FIG. 2 is a schematic diagram of a gas cylinder filling table in a high purity helium filling system according to the present utility model.
Reference numerals in the specific embodiments are as follows:
1. A helium inlet buffer tank; 2. a first helium gas compressor; 3. a second helium compressor; 4. a filter; 5. a vacuum pump; 6. a storage buffer tank; 7. a gas cylinder filling table; 8. filling table of tube bundle vehicle; 9. a low temperature adsorber; 10. a field analyzer; 11. a decompression valve; 12. an electromagnetic valve; 13. a helium recovery line; 14. sampling points; 15. 4 x 4 unit cells; 16. bulk steel cylinders; 17. a main conveying pipeline; 18. a first branch conveying pipeline; 19. a second branch conveying pipeline; 20. a third branch of conveying pipeline; 21. a fourth branch of conveying pipeline; 22. an air return pipeline; 23. a flow meter; 24. and filling the panel.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the following description will make clear and complete descriptions of the technical solutions of the embodiments of the present utility model with reference to the accompanying drawings.
Referring to fig. 1-2, in order to solve the problems that helium entering a pipeline after compression of a helium compressor is possibly impure and the filling amount needs to be calculated in real time due to the change of temperature and pressure in a tube bundle vehicle during manual operation, and time consuming and complicated, the application provides a high-purity helium filling system. Specifically, the high-purity helium filling system comprises a helium inlet buffer tank 1, wherein the helium inlet buffer tank 1 is respectively connected with a low-temperature absorber 9 and a helium compressor through pipelines, the helium compressor consists of a first helium compressor 2 and a second helium compressor 3, the first helium compressor 2 is connected with the second helium compressor 3 in parallel, when the amount of required filling helium is large, the first helium compressor 2 and the second helium compressor 3 are simultaneously used, when the amount of required filling helium is small, the first helium compressor 2 and the second helium compressor 3 are one by one, a flowmeter 23 is arranged on the pipeline between the low-temperature absorber 9 and the helium inlet buffer tank 1, the helium compressor is connected with a filter 4 through the pipelines, the gas outlet of the filter 4 is connected with a main conveying pipeline 17, the main conveying pipeline 17 is connected with a branch conveying pipeline, the branch conveying pipeline is connected with a vacuum pump 5, when the device is used, high-purity helium from the low-temperature adsorber 9 enters the helium inlet buffer tank 1 through a pipeline, a flowmeter 23 arranged on the pipeline is used for detecting the flow of the helium, the high-pressure helium enters the helium compressor for pressurization after passing through the helium inlet buffer tank 1, high-pressure product gas flows out from the gas outlet of the helium compressor and flows to the main conveying pipeline 17 through the filter 4, the filter 4 is arranged after the helium compressor, so that the helium which enters the pipeline to a filling platform after being compressed by the helium compressor is prevented from being impure, the danger caused by the helium impure is avoided, and meanwhile, the cleanliness of the gas conveying pipeline is ensured; helium fills gas cylinder group or helium long tube group from each pipeline according to the pressure that sets for through filling panel 24 from main pipeline 17 to filling panel 24, fills the panel 24 with helium, sets for corresponding numerical value on filling panel 24, even if the change of tube bank car internal temperature, pressure, can calculate the volume that needs to fill helium after changing on the filling panel 24 in real time, need not manual operation, and is simple and convenient, when helium filling mouth and car are connected, has the air to insert, and the vacuum pump 5 that connects on the pipeline can take away the air in the pipeline, makes the helium in getting into the car pure, also can guarantee the cleanliness factor in the pipeline simultaneously.
The branch conveying pipelines comprise a first branch conveying pipeline 18, a second branch conveying pipeline 19, a third branch conveying pipeline 20 and a fourth branch conveying pipeline 21, wherein the first branch conveying pipeline 18 and the second branch conveying pipeline 19 are connected to a gas bottle filling table 7, a 4×4 container grid 15 and a bulk steel bottle 16 are arranged on the gas bottle filling table 7, the third branch conveying pipeline 20 is connected to a tube bundle vehicle filling table 8, the fourth branch conveying pipeline 21 is connected with a storage buffer tank 6, the storage buffer tank 6 is a high-pressure helium long tube group, and when a transport vehicle is temporarily not filled, high-purity helium which has entered the main conveying pipeline 17 and each branch conveying pipeline is sent into the storage buffer tank 6 to be temporarily stored on site; the storage buffer tank 6 is connected with the air inlet of the helium inlet buffer tank 1 through an air return pipeline 22, a decompression valve 11 and an electromagnetic valve 12 are arranged on the air return pipeline 22, when a transportation vehicle, a bulk bottle or a container grid is in need of filling on site, high-purity helium temporarily stored in the storage buffer tank 6 on site returns to the helium inlet buffer tank 1 through the air return pipeline 22, the valve on the air return pipeline 22 decompresses the high-pressure helium, and then the high-pressure helium is compressed from the helium inlet buffer tank 1 to a helium compressor, and the whole set of procedures are repeated; sampling points 14 are arranged at each joint of the pipelines, each sampling point 14 is connected to the site analyzer 10 through the pipeline, when the helium at a part of positions needs to be inspected, a valve corresponding to the sampling point 14 is opened, and high-purity helium enters the site analyzer 10 to be inspected whether the gas is qualified or not; the third delivery pipeline 20 is connected with a helium recovery pipeline 13, and helium is recovered through the helium recovery pipeline 13, so that the waste of helium caused by the fact that the helium cannot be recovered when no transport vehicle filled with the helium is needed is prevented.
As can be seen from the above technical solution, the high purity helium filling system comprises a helium inlet buffer tank 1, a helium compressor (one by one), a high pressure helium long tube group, a vacuum pump 5, a gas cylinder filling table 7, a filling panel 24 and the like. When in use, high-purity helium from the low-temperature absorber 9 enters the helium inlet buffer tank 1 through a pipeline, a flowmeter 23 arranged on the pipeline is used for detecting the flow of the helium, the high-pressure helium enters a helium compressor for pressurization after passing through the helium inlet buffer tank 1, high-pressure product gas flows out from an air outlet of the helium compressor and flows to the main conveying pipeline 17 through a filter 4, the filter 4 is arranged after the helium compressor, the helium which enters the pipeline after being compressed by the helium compressor and is led to a filling platform is prevented from being impure, the danger caused by the helium is avoided, the helium is filled from the main conveying pipeline 17 to the filling panel 24 through the filling panel 24, the helium is filled into a gas cylinder group or a helium long tube group from each conveying pipeline according to the set pressure, corresponding values are set on the filling panel 24, and the quantity of the helium which is required to be filled after being changed can be calculated in real time according to the change of the temperature and the pressure in the tube bundle, when the helium filling port is connected with the vehicle, air is connected, the vacuum pump 5 connected with the branch conveying pipeline can pump the air in the pipeline, so that the helium entering the vehicle is pure, meanwhile, the cleanliness in the pipeline can be ensured, when the transportation vehicle is not filled temporarily, the high-purity helium which enters the main conveying pipeline 17 and each branch conveying pipeline can be sent into the storage buffer tank 6 to be temporarily stored on site, the helium recovery pipeline 13 connected with the branch conveying pipeline recovers the helium, the waste of the helium caused by the fact that the helium cannot be recovered when the transportation vehicle is not required to be filled, when the transportation vehicle, a bulk bottle or a container grid is required to be filled on site, the high-purity helium temporarily stored in the storage buffer tank 6 on site returns into the helium inlet buffer tank 1 through the return pipeline 22, the valve on the return pipeline 22 decompresses the high-pressure helium, and then compressing the mixture from the helium inlet buffer tank 1 to a helium compressor, and repeating the whole set of procedures.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the utility model being indicated by the following claims.
It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The embodiments of the present utility model described above do not limit the scope of the present utility model.
Claims (8)
1. A high purity helium filling system, characterized by: the device comprises a helium inlet buffer tank (1), wherein the helium inlet buffer tank (1) is respectively connected with a low-temperature adsorber (9) and a helium compressor through pipelines, a flowmeter (23) is arranged on the pipeline between the low-temperature adsorber (9) and the helium inlet buffer tank (1), the helium compressor is connected with a filter (4) through a pipeline, an air outlet of the filter (4) is connected with a main conveying pipeline (17), the main conveying pipeline (17) is connected with a branch conveying pipeline, and the branch conveying pipeline is connected with a vacuum pump (5);
the branch conveying pipeline consists of a first branch conveying pipeline (18), a second branch conveying pipeline (19), a third branch conveying pipeline (20) and a fourth branch conveying pipeline (21);
the first conveying pipeline (18) and the second conveying pipeline (19) are connected to the gas cylinder filling table (7), the third conveying pipeline (20) is connected to the tube bundle vehicle filling table (8), the fourth conveying pipeline (21) is connected with the storage buffer tank (6), and the storage buffer tank (6) is connected with the gas inlet of the helium inlet buffer tank (1) through the return air pipeline (22).
2. A high purity helium filling system according to claim 1 wherein: the helium compressor consists of a first helium compressor (2) and a second helium compressor (3), and the first helium compressor (2) is connected with the second helium compressor (3) in parallel.
3. A high purity helium filling system according to claim 1 wherein: and each joint of the pipeline is provided with a sampling point (14).
4. A high purity helium filling system according to claim 3 wherein: each of the sampling points (14) is connected to an on-site analyzer (10) by a pipe.
5. A high purity helium filling system according to claim 1 wherein: the air return pipeline (22) is provided with a decompression valve (11) and an electromagnetic valve (12).
6. A high purity helium filling system according to claim 1 wherein: the gas cylinder filling table (7) is provided with a4 multiplied by 4 container grid (15) and a bulk steel cylinder (16).
7. A high purity helium filling system according to claim 1 wherein: and the third conveying pipeline (20) is connected with a helium recovery pipeline (13).
8. A high purity helium filling system according to claim 1 wherein: the storage buffer tank (6) is a high-pressure helium long tube group.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221258546U true CN221258546U (en) | 2024-07-02 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |