CN212986744U - Liquid oxygen jar fills dress device - Google Patents
Liquid oxygen jar fills dress device Download PDFInfo
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- CN212986744U CN212986744U CN202021476475.5U CN202021476475U CN212986744U CN 212986744 U CN212986744 U CN 212986744U CN 202021476475 U CN202021476475 U CN 202021476475U CN 212986744 U CN212986744 U CN 212986744U
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Abstract
The utility model discloses a liquid oxygen tank filling device, belonging to the technical field of liquid oxygen filling; the device comprises a liquid oxygen storage tank, a liquid oxygen tank, a liquid inlet pipe, a liquid outlet pipe, a liquid inlet valve and a liquid outlet valve, wherein the liquid oxygen storage tank is respectively communicated with the liquid inlet pipe and the liquid outlet pipe; the gas storage tank is connected with the gas storage tank, and the other end of the gas storage tank is communicated with the liquid oxygen tank; the utility model discloses retrieve the oxygen that fills the in-process and produce, the oxygen of retrieving compresses through the compressor and recycles, has reduced the consumption of oxygen, has practiced thrift manufacturing cost, has avoided the potential safety hazard that outwards discharges low temperature gaseous state oxygen and cause in production area simultaneously.
Description
Technical Field
The utility model relates to a fill the dress device, especially relate to a liquid oxygen jar fills dress device, belong to liquid oxygen and fill dress technical field.
Background
Conventionally, the liquid filling requirement of a liquid oxygen dewar tank is to fill the liquid from a liquid filling valve. However, when liquid oxygen is filled in this way, the pressure in the tank will gradually rise, and when the pressure in the tank is greater than the pressure of the filling liquid, the discharge valve must be opened to release the pressure in order to maintain a certain pressure difference, otherwise the liquid oxygen cannot be filled any more. And the discharge valve is opened to continuously empty in the filling process, so that the liquid oxygen loss is very large. In the prior art, when a 180L liquid oxygen dewar is filled, the liquid oxygen emptying rate is about 50kg, and compared with the net weight of 200kg of the liquid oxygen full tank, the liquid oxygen emptying loss rate reaches 25% when the liquid oxygen dewar is filled. Along with the expansion of the filling business volume of the Dewar tank of an enterprise, the filling quantity of the liquid oxygen Dewar tank is continuously increased, and the large amount of emptying in the process of filling the liquid oxygen Dewar tank on site causes great waste and high cost; high-concentration low-temperature gaseous oxygen is discharged outside in a production area in the filling process, so that great potential safety hazards exist. But also prolongs the filling time and increases the loss of the cold energy of the gas. The gaseous oxygen is directly discharged, noise can be caused in the discharging process, and the detected noise reaches about 100 decibels and exceeds the occupational hazard standard.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a liquid oxygen tank filling device.
The utility model adopts the technical proposal that: designing a liquid oxygen tank filling device, which comprises a liquid oxygen storage tank, a liquid oxygen tank, a liquid inlet pipe, a liquid outlet pipe, a liquid inlet valve and a liquid outlet valve, wherein the liquid oxygen storage tank is respectively communicated with the liquid inlet pipe and the liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe are respectively provided with the liquid inlet valve and the liquid outlet valve, and the tail end of the liquid outlet pipe is connected to the liquid oxygen tank; besides, the gas storage tank is further provided with an air outlet pipe, a compressor, an intermediate pipe, a gas storage bottle and an air inlet pipe, one end of the air outlet pipe is communicated with the liquid oxygen tank, the other end of the air outlet pipe is connected to the compressor, one end of the intermediate pipe is connected with the compressor, the other end of the intermediate pipe is connected into the gas storage bottle, one end of the air inlet pipe is connected with the gas storage bottle, and the other end.
Further, an emptying pipe and a vacuumizing pipe are arranged on the air outlet pipe, and an emptying valve and a vacuumizing valve are respectively arranged on the emptying pipe and the vacuumizing pipe.
Further, a plurality of liquid oxygen jars of drain pipe end connection, first control valve is installed respectively to every liquid oxygen jar of drain pipe end correspondence.
Furthermore, the outlet duct communicates with liquid oxygen jar one end respectively with a plurality of liquid oxygen jars intercommunication, the outlet duct is installed the second control valve respectively with every liquid oxygen jar corresponding to liquid oxygen jar intercommunication one end.
Furthermore, a third control valve is installed at the connecting end of the air outlet pipe and the compressor.
Furthermore, a fourth control valve is installed on the middle pipe, and the fourth control valve is installed at two ends of the middle pipe respectively.
Further, the gas inlet pipe is provided with a gas phase valve, and the gas phase valve is respectively arranged at two ends of the gas inlet pipe.
Further, a second pressure gauge is installed on the air inlet pipe and located between the gas phase valve at the connecting end of the air inlet pipe and the gas storage cylinder.
Furthermore, a first pressure gauge is arranged on the liquid oxygen storage tank.
Compared with the prior art, the beneficial effects of the utility model are that:
1. gaseous oxygen generated in the canning process of the liquid oxygen tank is introduced into the liquid oxygen storage tank through the compressor and the gas storage bottle, and the part of the gaseous oxygen entering the liquid oxygen storage tank is converted into the liquid oxygen; simultaneously providing pressure difference for the liquid oxygen entering the liquid oxygen tank; the utility model discloses shorten and fill dress time, reduce the loss.
2. The gaseous oxygen of the utility model is not directly exhausted, thereby avoiding the potential safety hazard caused by the outward discharge of low-temperature gaseous oxygen in the production area; meanwhile, the direct emptying of gaseous oxygen is avoided, noise is caused in the emptying process, and occupational hazards are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic layout diagram of the present invention.
In the figure: 1-liquid oxygen storage tank, 11-liquid inlet pipe, 111-liquid inlet valve, 12-liquid outlet pipe, 121-liquid outlet valve, 122-first control valve, 13-first pressure gauge, 2-liquid oxygen tank, 3-gas outlet pipe, 31-second control valve, 32-third control valve, 4-compressor, 5-intermediate pipe, 51-fourth control valve, 6-gas storage bottle, 7-gas inlet pipe, 71-gas phase valve, 72-second pressure gauge, 8-vent pipe, 81-vent valve, 9-vacuum pump, 91-vacuum pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be construed broadly and include, for example, fixed connections, detachable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present invention, unless otherwise specified, the terms "plurality", and "plural groups" mean two or more, and the terms "a plurality", and "a plurality" mean one or more. In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are used, they are only used for convenience of description and simplification of the description, and they do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus should not be construed as limiting the present invention. Furthermore, the use of the terms first, second and third are used for descriptive purposes only and are not intended to indicate or imply relative importance.
Example 1
As shown in fig. 1: a liquid oxygen tank filling apparatus comprising: the liquid oxygen storage tank 1 is respectively communicated with the liquid inlet pipe 11 and the liquid outlet pipe 12, the liquid inlet pipe 11 and the liquid outlet pipe 12 are respectively provided with the liquid inlet valve 111 and the liquid outlet valve 121, and the tail end of the liquid outlet pipe 12 is connected into the liquid oxygen tank 2 and extends into the bottom of the liquid oxygen tank 2; the drain pipe 12 end has a plurality of branches to connect a plurality of liquid oxygen jar 2 respectively, install first control valve 122 on the terminal branch that corresponds every liquid oxygen jar 2 of drain pipe 12 respectively. The liquid oxygen tank filling device further comprises an air outlet pipe 3, a compressor 4, a middle pipe 5, an air storage bottle 6 and an air inlet pipe 7, wherein one end of the air outlet pipe 3 is communicated with the liquid oxygen tanks 2, the end part of the end, communicated with the liquid oxygen tanks 2, of the air outlet pipe 3 is positioned at the upper part in the liquid oxygen tanks 2, one ends, communicated with the liquid oxygen tanks 2, of the air outlet pipe 3 are respectively communicated with the plurality of liquid oxygen tanks 2, and second control valves 31 are respectively installed at the ends, communicated with the liquid oxygen tanks 2, of the air outlet pipe 3, corresponding to each liquid oxygen tank 2; the other end of the air outlet pipe 3 is connected with the compressor 4, and a third control valve 32 is installed at the connecting end of the air outlet pipe 3 and the compressor 4. One end of the middle pipe 5 is connected with the compressor 4, the other end of the middle pipe is connected with the gas storage bottle 6, a fourth control valve 51 is installed on the middle pipe 5, and the fourth control valve 51 is installed at two ends of the middle pipe 5 and corresponds to the compressor 4 and the gas storage bottle 6 respectively. One end of the air inlet pipe 7 is connected with the gas storage bottle 6, the other end of the air inlet pipe is communicated with the liquid oxygen storage tank 1, and the end part of the air inlet pipe 7, which is communicated with the liquid oxygen storage tank 1, is positioned at the upper part in the liquid oxygen storage tank 1; the gas inlet pipe 7 is provided with a gas phase valve 71, and the gas phase valve 71 is respectively arranged at two ends of the gas inlet pipe 7.
The air outlet pipe 3 is also provided with an emptying pipe 8 and a vacuumizing pipe 9, and the emptying pipe 8 and the vacuumizing pipe 9 are respectively provided with an emptying valve 81 and a vacuumizing valve 91. And a second pressure gauge 72 is arranged on the air inlet pipe 7, and the second pressure gauge 72 is positioned between the gas phase valve 71 at the connecting end of the air inlet pipe 7 and the gas storage bottle 6. The liquid oxygen storage tank 1 is provided with the first pressure gauge 13, and the numerical values of the first pressure gauge 13 and the second pressure gauge 72 are read, so that the judgment of when to connect and disconnect the gas storage bottle 6 with the liquid oxygen storage tank 1 is facilitated; and simultaneously, the respective internal air pressures of the liquid oxygen storage tank 1 and the gas storage bottle 6 can be mastered.
The filling process of the liquid oxygen tank filling device is as follows:
1. before filling, the replacement and purging processes are carried out on devices except the liquid oxygen storage tank 1
1.1, opening a liquid outlet valve 121, a first control valve 122, a second control valve 31, a third control valve 32, a fourth control valve 51 and a gas phase valve 71 at one end of a gas storage bottle 6, and filling certain liquid oxygen;
1.2, closing the liquid outlet valve 121, and opening the emptying valve 81 to release pressure;
1.3, closing the emptying valve 81, opening the vacuumizing valve 91 and a vacuumizing pump (not shown in the figure), and vacuumizing the devices except the liquid oxygen storage tank 1 to negative pressure;
1.4, repeating the steps 1.1-1.3 for 2-3 times;
2. liquid oxygen filling process
2.1, opening an emptying valve 81, a liquid outlet valve 121, a first control valve 122, a second control valve 31, a third control valve 32 and a fourth control valve 51, connecting an air inlet device outside an emptying pipe 8, opening a gas phase valve 71 close to the end of the liquid oxygen storage tank 1, and filling the liquid oxygen tank 2;
2.2, in the liquid oxygen filling process, when the reading of the second pressure gauge 72 exceeds the reading of the first pressure gauge 13 to a certain range value, opening a gas phase valve 71 at one end of the gas storage cylinder 6; closing after the numerical value is close;
2.3, stopping filling when the filling weight or pressure of the liquid oxygen tank 2 is reached; closing the liquid outlet valve 121, the first control valve 122 and the second control valve 31;
2.4, disconnecting the liquid oxygen tank 2 from the liquid outlet pipe 12.
While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (9)
1. The utility model provides a liquid oxygen jar fills dress device, includes liquid oxygen storage tank (1), liquid oxygen jar (2), feed liquor pipe (11), drain pipe (12), feed liquor valve (111), drain valve (121), liquid oxygen storage tank (1) respectively with feed liquor pipe (11) and drain pipe (12) intercommunication, set up feed liquor valve (111) and drain valve (121) on feed liquor pipe (11) and drain pipe (12) respectively, drain pipe (12) terminal access liquid oxygen jar (2), its characterized in that:
still include outlet duct (3), compressor (4), intermediate pipe (5), gas bomb (6), intake pipe (7), outlet duct (3) one end and liquid oxygen jar (2) intercommunication, the other end is connected in compressor (4), intermediate pipe (5) one end is connected with compressor (4), and the other end inserts gas bomb (6), intake pipe (7) one end is connected with gas bomb (6), and the other end communicates with liquid oxygen storage tank (1).
2. The liquid oxygen tank filling apparatus according to claim 1, wherein: and the air outlet pipe (3) is provided with an emptying pipe (8) and a vacuumizing pipe (9), and the emptying pipe (8) and the vacuumizing pipe (9) are respectively provided with an emptying valve (81) and a vacuumizing valve (91).
3. The liquid oxygen tank filling apparatus according to claim 1, wherein: drain pipe (12) end-to-end connection a plurality of liquid oxygen jar (2), first control valve (122) are installed respectively to drain pipe (12) end corresponding every liquid oxygen jar (2).
4. The liquid oxygen tank filling apparatus according to claim 3, wherein: outlet duct (3) and liquid oxygen jar (2) intercommunication one end respectively with a plurality of liquid oxygen jar (2) intercommunication, second control valve (31) are installed respectively to outlet duct (3) and every liquid oxygen jar (2) of liquid oxygen jar (2) intercommunication one end correspondence.
5. The liquid oxygen tank filling apparatus according to claim 1, wherein: and a third control valve (32) is installed at the connecting end of the air outlet pipe (3) and the compressor (4).
6. The liquid oxygen tank filling apparatus according to claim 1, wherein: and a fourth control valve (51) is arranged on the middle pipe (5), and the fourth control valve (51) is respectively arranged at two ends of the middle pipe (5).
7. The liquid oxygen tank filling apparatus according to claim 1, wherein: and the gas inlet pipe (7) is provided with a gas phase valve (71), and the gas phase valve (71) is respectively arranged at two ends of the gas inlet pipe (7).
8. The liquid oxygen tank filling apparatus according to claim 7, wherein: and a second pressure gauge (72) is arranged on the air inlet pipe (7), and the second pressure gauge (72) is positioned between the gas phase valve (71) at the connecting end of the air inlet pipe (7) and the gas storage bottle (6).
9. The liquid oxygen tank filling apparatus according to any one of claims 1 to 8, wherein: and a first pressure gauge (13) is arranged on the liquid oxygen storage tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021476475.5U CN212986744U (en) | 2020-07-23 | 2020-07-23 | Liquid oxygen jar fills dress device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021476475.5U CN212986744U (en) | 2020-07-23 | 2020-07-23 | Liquid oxygen jar fills dress device |
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| Publication Number | Publication Date |
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| CN212986744U true CN212986744U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021476475.5U Active CN212986744U (en) | 2020-07-23 | 2020-07-23 | Liquid oxygen jar fills dress device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962997A (en) * | 2022-05-26 | 2022-08-30 | 清远市联升空气液化有限公司 | Liquid gas split charging system |
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2020
- 2020-07-23 CN CN202021476475.5U patent/CN212986744U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962997A (en) * | 2022-05-26 | 2022-08-30 | 清远市联升空气液化有限公司 | Liquid gas split charging system |
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