CN220891832U - Supercharging device for liquid oxygen storage tank - Google Patents
Supercharging device for liquid oxygen storage tank Download PDFInfo
- Publication number
- CN220891832U CN220891832U CN202322546845.8U CN202322546845U CN220891832U CN 220891832 U CN220891832 U CN 220891832U CN 202322546845 U CN202322546845 U CN 202322546845U CN 220891832 U CN220891832 U CN 220891832U
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- China
- Prior art keywords
- liquid
- liquid oxygen
- storage tank
- oxygen storage
- shell
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- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 238000003860 storage Methods 0.000 title claims abstract description 63
- 239000007788 liquid Substances 0.000 claims abstract description 78
- 239000007789 gas Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 5
- 238000004806 packaging method and process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to the technical field of liquid oxygen storage tanks, and particularly discloses a supercharging device for a liquid oxygen storage tank, which comprises a liquid oxygen storage tank body, a liquid inlet pipe arranged at the top of the liquid oxygen storage tank body, a liquid level meter arranged on the liquid inlet pipe, a liquid outlet pipe, a pressure gauge arranged on the liquid outlet pipe and a liquid outlet valve arranged at the end part of the liquid outlet pipe, wherein the liquid inlet pipe is connected with the liquid outlet pipe through a pipeline; the liquid oxygen storage tank body includes shell, inner shell, sets up the gas pressurization passageway between shell and inner shell and installs the pressure boost piston in gas pressurization passageway, and shell and inner shell are equipped with automatically controlled ooff valve in bottom intercommunication and intercommunication department, the casing bottom is equipped with the inflatable cushion with gas pressurization passageway intercommunication, inflatable cushion top cover has the liquid to hold the board, and liquid oxygen places on the liquid and holds the board, and this device has solved when liquid oxygen storage tank partial shipment liquid ammonia, the inside problem that has a large amount of liquid oxygen to remain of liquid oxygen storage tank.
Description
Technical Field
The application relates to the technical field of liquid oxygen storage tanks, and particularly discloses a supercharging device for a liquid oxygen storage tank.
Background
The liquid oxygen storage tank is mainly used for storing oxygen in low-temperature liquid state, and most of the low-temperature storage tanks are double-layer fixed vacuum powder heat-insulating storage tanks (storage tanks). The inner container is made of stainless steel (wherein the carbon dioxide storage tank is 16 MnDR), and the outer container is made of Q235B or 16MnR. The surface anti-corrosion coating adopts the processes of sand blasting, blowing, spraying and the like, and simultaneously adopts the two-component rapid curing liquid coating;
In some production processes, the amount of liquid oxygen is very large, and when the liquid oxygen is used, liquid oxygen split charging is required by a liquid oxygen tank. The liquid oxygen tank is taken as a sub-packaging container of liquid oxygen, liquid oxygen is output in a pressurizing mode, liquid oxygen flows out of the liquid oxygen tank rapidly through pressurizing, the internal pressure of the liquid oxygen tank gradually drops in the continuous flowing-out process of liquid oxygen, the pressure is reduced along with the continuous flowing-out pressure of liquid oxygen so as to be incapable of flowing out of liquid oxygen, although the liquid oxygen tank has liquid oxygen residues in the liquid oxygen tank, the liquid oxygen residues are 15 percent for some liquid oxygen tanks, the production of high liquid oxygen requirements and the utilization rate of liquid oxygen are greatly influenced, and therefore, the inventor proposes a pressurizing device for the liquid oxygen tank to reduce the liquid oxygen residues in the liquid oxygen tank.
Disclosure of utility model
The utility model aims to solve the problem that a large amount of liquid oxygen remains in the liquid oxygen storage tank when the liquid oxygen storage tank is used for sub-packaging liquid ammonia.
In order to achieve the above object, the present utility model provides the following basic scheme
A supercharging device for a liquid oxygen storage tank comprises a liquid oxygen storage tank body, a liquid inlet pipe arranged at the top of the liquid oxygen storage tank body, a liquid level meter arranged on the liquid inlet pipe, a liquid outlet pipe, a pressure gauge arranged on the liquid outlet pipe and a liquid outlet valve arranged at the end part of the liquid outlet pipe;
The liquid oxygen storage tank body comprises an outer shell, an inner shell, a gas pressurizing channel arranged between the outer shell and the inner shell and a pressurizing piston arranged in the gas pressurizing channel, wherein the outer shell and the inner shell are communicated with each other at the bottom and are provided with an electric control switch valve, an inflatable air cushion communicated with the gas pressurizing channel is arranged at the bottom of the shell, the top of the inflatable air cushion is covered with a liquid receiving plate, and liquid oxygen is placed on the liquid receiving plate.
The principle and effect of this basic scheme lie in:
1. Compared with the prior art, this device simple structure, think about ingenious, this device makes the improvement on the pressure boost, the shell has been designed, the inner shell, the gas pressure boost passageway of setting between shell and inner shell and the pressure boost piston of installing in gas pressure boost passageway, utilize the pressure boost piston to realize gas pressure boost, make the pressure of inner shell increase gradually, and set up the pressure of manometer actual observation inner shell, when partial shipment liquid oxygen, can feel the pressure in the inner shell, through the change of pressure, start the pressure boost piston, and then make the smooth outflow of liquid oxygen, when having solved liquid oxygen storage tank partial shipment liquid ammonia, the inside problem that has a large amount of liquid oxygen to remain of liquid oxygen storage tank.
2. Compared with the prior art, the liquid oxygen storage tank has the advantages that the liquid oxygen storage tank is the same as a traditional liquid oxygen storage tank body, the liquid is discharged through the pressure increase type, but the liquid oxygen storage tank is improved in a mode of no matter how, because of the limitation of materials, liquid residues exist in the liquid oxygen storage tank body, and therefore, the liquid oxygen storage tank is provided with the inflating air cushion communicated with the gas pressurizing channel, the top of the inflating air cushion is covered with the liquid receiving plate, liquid oxygen is placed on the liquid receiving plate, the inflating air cushion is matched with the pressurizing piston, the inflating air cushion is inflated, the liquid level of liquid is changed, the position of liquid oxygen gradually rises, the liquid oxygen is more close to an outlet, and a large amount of liquid oxygen residues exist in the liquid oxygen storage tank when the liquid oxygen storage tank is used for sub-packaging liquid ammonia.
Further, the liquid oxygen storage tank body is equipped with the mount all around, the bottom of mount is equipped with the bracing piece, the tip of bracing piece is equipped with the slipmat. Is used for fixing the device and realizing better liquid discharge or liquid increase of the device.
Further, the liquid oxygen storage tank body is equipped with the mount all around, the bottom of mount is equipped with the bracing piece, the tip of bracing piece is equipped with the universal wheel. The device is used for transporting the device.
Further, the shell is provided with a vent pipe, the vent pipe is externally connected with an air machine, and after air is injected into the air pressurizing channel by the air machine, the air is closed, and then the pressurizing piston is started.
Further, a controller is arranged on the shell, a switch valve is arranged in the vent pipe, and the switch valve, the pressurizing piston and the electric control switch valve are all electrically connected with the controller. Realizing electric control, and being simpler and more convenient to operate.
Further, the outer shell and the inner shell are made of aluminum alloy materials. Ensuring certain strength and being capable of bearing certain pressure.
Further, sealing rubber is arranged at two ends of the liquid bearing plate, and the sealing rubber is in contact with the inner wall of the inner shell. Realizing the complete bearing of the liquid bearing plate on the liquid oxygen.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic diagram of a pressurizing device for a liquid oxygen tank according to an embodiment of the present application;
fig. 2 shows a schematic internal structure of a pressurizing device for a liquid oxygen tank according to an embodiment of the present application.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
Reference numerals in the drawings of the specification include: the liquid oxygen storage tank comprises a liquid oxygen storage tank body 1, a fixing frame 2, a supporting rod 3, an anti-skid pad 4, a liquid inlet pipe 5, a liquid level meter 6, a liquid outlet pipe 7, a liquid outlet valve 8, a pressure gauge 9, an inner shell 10, a pressurizing piston 11, a vent pipe 12, a switching valve 13, an inflatable air cushion 14, a liquid bearing plate 15 and sealing rubber 16.
Examples are shown in fig. 1 and 2:
The pressurizing device for the liquid oxygen storage tank comprises a liquid oxygen storage tank body 1, a liquid inlet pipe 5 arranged at the top of the liquid oxygen storage tank body 1, a liquid level meter 6 arranged on the liquid inlet pipe 5, a liquid outlet pipe 7, a pressure gauge 9 arranged on the liquid outlet pipe 7 and a liquid outlet valve 8 arranged at the end part of the liquid outlet pipe 7;
The liquid outlet pipe 7 is used for split charging of liquid oxygen, so that the liquid oxygen flows out of the liquid oxygen storage tank body 1, the pressure gauge 9 is used for observing the pressure of liquid oxygen, the outflow of the liquid oxygen is limited when the pressure is insufficient, the liquid outlet valve 8 is a switch valve 13, and when the device is not required to be split charged and only transported, the switch valve 13 is required to be closed, so that the storage safety of the liquid oxygen is ensured;
The liquid level meter 6 is used for observing the depth of storing liquid oxygen from the outside, and convenient reasonable partial shipment liquid oxygen, and feed liquor pipe 5 are used for filling liquid oxygen to liquid oxygen storage tank body 1, realize liquid oxygen storage tank body 1 to the storage work of liquid oxygen.
As shown in fig. 1, a fixing frame 2 is arranged around the liquid oxygen storage tank body 1, a supporting rod 3 is arranged at the bottom of the fixing frame 2, and an anti-slip pad 4 is arranged at the end part of the supporting rod 3. Is used for fixing the device and realizing better liquid discharge or liquid increase of the device.
And (3) the same principle: the ends of the support bar 3 may likewise be provided with universal wheels. The device is used for transporting the device.
As shown in fig. 2:
The liquid oxygen storage tank body 1 includes shell, inner shell 10, set up the gas pressurization passageway between shell and inner shell 10 and install the pressure boost piston 11 in the gas pressurization passageway, shell and inner shell 10 are equipped with automatically controlled ooff valve 13 in bottom intercommunication and intercommunication department, the casing bottom is equipped with the inflatable cushion 14 with gas pressurization passageway intercommunication, inflatable cushion 14 top is covered with liquid and holds board 15, liquid oxygen is placed on liquid and holds board 15, the both ends of liquid and holds board 15 are equipped with sealing rubber 16, sealing rubber 16 and inner wall contact of inner shell 10. The liquid receiving plate 15 receives all the liquid oxygen.
In order to realize sufficient gas in the gas pressurizing channel, a vent pipe 12 is arranged on the shell, an air machine is externally connected with the vent pipe 12, after air is injected into the gas pressurizing channel by the air machine, the vent pipe 12 is closed, and then the pressurizing piston 11 is started.
In control: the shell is provided with a controller, the inside of the vent pipe 12 is provided with a switch valve 13, and the switch valve 13, the booster piston 11 and the electric control switch valve 13 are all electrically connected with the controller. Realizing electric control, and being simpler and more convenient to operate.
The outer shell and the inner shell 10 are made of aluminum alloy. Ensuring certain strength and being capable of bearing certain pressure.
The specific implementation process comprises the following steps:
In the first step, if liquid oxygen is injected, the liquid outlet valve 8 on the liquid outlet pipe 7 is closed, liquid oxygen is injected by using the liquid inlet pipe 5, the liquid inlet pipe 5 is inserted into the inner shell 10, the liquid oxygen enters the inner shell 10 through the liquid inlet pipe 5 and stays on the liquid receiving plate 15, and after the injection is completed, the liquid oxygen storage tank body 1 is used for realizing the functions of transportation or storage of the liquid oxygen and the like.
Secondly, when the liquid oxygen storage tank body 1 needs to realize liquid oxygen split charging, a liquid outlet valve 8 on a liquid inlet pipe 5 is closed, a switch valve 13 is opened, air enters a gas pressurizing channel, a pressurizing piston 11 is started to compress the gas, the compressed gas enters an inflating air cushion 14 through the switch valve 13, the inflating air cushion 14 collides, the volume of an inner shell 10 is reduced, the pressure starts to rise, the pressure value of the inner shell 10 is observed through a pressure gauge 9, the pressure value meets a release condition and a safety upper limit value, then the pressurizing piston 11 stands by, a split charging tank is prepared, the liquid outlet valve 8 is opened, the liquid enters the liquid outlet pipe 7 from an inner shell to an outer shell, and finally flows into the split charging tank;
Third, in the process of sub-packaging, the pressure value begins to decrease, when an operator finds that the liquid flows out of order, the pressurizing piston 11 needs to be started again, the normal flow of the liquid oxygen can be ensured by ensuring the pressure of the inner shell 10, the pressurizing piston 11 is matched with the inflating air cushion 14, the inflating air cushion 14 inflates, the liquid level of the liquid is changed, the position of the liquid oxygen gradually rises and is closer to the outlet, and the outflow of the liquid oxygen is facilitated.
The device solves the problem that a large amount of liquid oxygen remains in the liquid oxygen storage tank when the liquid oxygen storage tank is used for sub-packaging liquid ammonia.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (7)
1. A supercharging device for a liquid oxygen storage tank, characterized in that: the liquid storage tank comprises a liquid oxygen storage tank body, a liquid inlet pipe arranged at the top of the liquid oxygen storage tank body, a liquid level meter arranged on the liquid inlet pipe, a liquid outlet pipe, a pressure gauge arranged on the liquid outlet pipe and a liquid outlet valve arranged at the end part of the liquid outlet pipe;
The liquid oxygen storage tank body comprises an outer shell, an inner shell, a gas pressurizing channel arranged between the outer shell and the inner shell and a pressurizing piston arranged in the gas pressurizing channel, wherein the outer shell and the inner shell are communicated with each other at the bottom and are provided with an electric control switch valve, an inflatable air cushion communicated with the gas pressurizing channel is arranged at the bottom of the shell, the top of the inflatable air cushion is covered with a liquid receiving plate, and liquid oxygen is placed on the liquid receiving plate.
2. The supercharging device for a liquid oxygen storage tank according to claim 1, wherein a fixing frame is arranged around the liquid oxygen storage tank body, a supporting rod is arranged at the bottom of the fixing frame, and an anti-slip pad is arranged at the end of the supporting rod.
3. The supercharging device for a liquid oxygen storage tank according to claim 1, wherein a fixing frame is arranged around the liquid oxygen storage tank body, a supporting rod is arranged at the bottom of the fixing frame, and universal wheels are arranged at the end parts of the supporting rod.
4. The pressurizing device for a liquid oxygen storage tank according to claim 1, wherein a vent pipe is arranged on the shell, an air machine is externally connected to the vent pipe, and after air is injected into the gas pressurizing channel by the air machine, the vent pipe is closed, and then the pressurizing piston is started.
5. The pressurizing device for a liquid oxygen storage tank as set forth in claim 4, wherein a controller is provided on said housing, a switch valve is provided inside said vent pipe, and said switch valve, pressurizing piston and electrically controlled switch valve are electrically connected to said controller.
6. The pressurization device for a liquid oxygen storage tank of claim 1, wherein the outer shell and the inner shell are both made of aluminum alloy.
7. The pressurizing device for a liquid oxygen tank according to claim 1, wherein both ends of the liquid receiving plate are provided with sealing rubber, and the sealing rubber is in contact with an inner wall of the inner case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322546845.8U CN220891832U (en) | 2023-09-19 | 2023-09-19 | Supercharging device for liquid oxygen storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322546845.8U CN220891832U (en) | 2023-09-19 | 2023-09-19 | Supercharging device for liquid oxygen storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220891832U true CN220891832U (en) | 2024-05-03 |
Family
ID=90877051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322546845.8U Active CN220891832U (en) | 2023-09-19 | 2023-09-19 | Supercharging device for liquid oxygen storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220891832U (en) |
-
2023
- 2023-09-19 CN CN202322546845.8U patent/CN220891832U/en active Active
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