CN213930400U - Intelligent gas-liquid separator for vacuum heat insulation pipeline - Google Patents
Intelligent gas-liquid separator for vacuum heat insulation pipeline Download PDFInfo
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- CN213930400U CN213930400U CN202022037856.XU CN202022037856U CN213930400U CN 213930400 U CN213930400 U CN 213930400U CN 202022037856 U CN202022037856 U CN 202022037856U CN 213930400 U CN213930400 U CN 213930400U
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Abstract
The utility model provides an intelligent gas-liquid separator for a vacuum heat insulation pipeline, which comprises an outer cylinder, an inner cylinder and a controller; the inner cylinder is arranged in the outer cylinder, and a cavity is formed between the outer cylinder and the inner cylinder; a vacuum layer is arranged in the cavity; a liquid inlet pipe is arranged at the bottom of the outer cylinder, one end of the liquid inlet pipe penetrates through the cavity to be communicated with the inner cylinder, and the other end of the liquid inlet pipe is used for being communicated with a vacuum heat insulation pipeline; a liquid level sensor for monitoring the liquid level of the liquid in the inner barrel is arranged in the inner barrel and is electrically connected with the controller; an exhaust pipe is arranged at the top of the inner cylinder, one end of the exhaust pipe penetrates through the outer cylinder to be communicated with the inner cylinder, and the other end of the exhaust pipe is communicated with the outside; the exhaust pipe is hermetically connected with the outer cylinder; an evacuation solenoid valve is arranged on the exhaust pipe and is electrically connected with the controller.
Description
Technical Field
The utility model relates to a vapour and liquid separator technical field, in particular to intelligent vapour and liquid separator for adiabatic pipeline in vacuum.
Background
The high-vacuum multi-layer heat-insulating pipeline system is widely applied to the transportation of low-temperature liquefied gases such as liquid nitrogen, liquid oxygen, liquid argon, liquefied natural gas and the like. The low-temperature liquefied gas can be vaporized to different degrees due to the change of pressure and temperature in the conveying process, and a gas-liquid mixed state is formed in the pipeline; at present, a plurality of devices have high requirements on liquid gas conveyed in a heat insulation pipeline, for example, a liquid nitrogen biological container and a liquid nitrogen filling machine only can use the liquid gas, but cannot use a gas-liquid mixed medium.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem among the prior art, the utility model provides an intelligent vapour and liquid separator for adiabatic pipeline in vacuum solves among the prior art adiabatic pipeline in vacuum and forms the problem of gas-liquid mixture form because of the change of pressure and temperature.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
the intelligent gas-liquid separator for the vacuum heat insulation pipeline is arranged at the highest position of the tail end of the whole vacuum heat insulation pipeline; it comprises an outer cylinder, an inner cylinder and a controller; the inner cylinder is arranged in the outer cylinder, and a cavity is formed between the outer cylinder and the inner cylinder; a vacuum layer is arranged in the cavity; a liquid inlet pipe is arranged at the bottom of the outer cylinder, one end of the liquid inlet pipe penetrates through the cavity to be communicated with the inner cylinder, and the other end of the liquid inlet pipe is used for being communicated with a vacuum heat insulation pipeline; a liquid level sensor for monitoring the liquid level of the liquid in the inner barrel is arranged in the inner barrel and is electrically connected with the controller; an exhaust pipe is arranged at the top of the inner cylinder, one end of the exhaust pipe penetrates through the outer cylinder to be communicated with the inner cylinder, and the other end of the exhaust pipe is communicated with the outside; the exhaust pipe is hermetically connected with the outer cylinder; an evacuation solenoid valve is arranged on the exhaust pipe and is electrically connected with the controller.
The liquid level sensor is arranged in the inner cylinder, the liquid level sensor acquires liquid level information in the inner cylinder, and the controller opens or closes the emptying electromagnetic valve by setting the upper limit and the lower limit of the liquid level sensor, so that gas can be automatically discharged, and pure liquid in the pipeline is ensured; a vacuum cavity is formed between the outer barrel and the inner barrel, so that the inner barrel is relatively isolated from the outside, the heat loss of liquid gas in the inner barrel is reduced, the heat transfer from the liquid gas in the inner barrel to the outer barrel is reduced, the gasification degree of the liquid gas in the inner barrel is reduced, the outer barrel is prevented from being frozen, and the frosting caused by mistakenly touching the wall of the outer barrel by operating personnel is avoided.
Furthermore, in order to vacuumize the cavity, a vacuum nozzle communicated with the cavity is fixedly arranged on the outer cylinder.
Further, in order to conveniently and manually close the exhaust pipe, a manual stop valve is arranged on the exhaust pipe; the manual stop valve can also be used for emergently opening and closing the exhaust pipe when the evacuation electromagnetic valve fails.
Further, a safety valve is arranged on the exhaust pipe and arranged between the emptying electromagnetic valve and the manual stop valve; the safety valve is in a normally closed state, and is opened when the air pressure in the exhaust pipe exceeds a preset value, so that the exhaust pressure of the exhaust pipe is not more than the preset value, and the safety valve plays an important role in protecting personal safety and equipment operation.
Further, an air outlet joint is arranged at the position where the exhaust pipe penetrates through the outer barrel, the lower end of the air outlet joint is of an open hollow columnar structure, and the lower end of the air outlet joint is connected with the outer wall of the outer barrel; the exhaust pipe penetrates through the air outlet joint and is communicated with the inner cylinder; the outer wall of the exhaust pipe section positioned in the air outlet joint is provided with a heating wire, and the heating wire is connected with the controller; and a temperature sensor connected with the controller is arranged in the exhaust pipe. The temperature sensor monitors the temperature in the exhaust pipe in real time, and when the temperature in the exhaust pipe is lower than a preset value, the controller controls the heating wire to work, the heating wire heats the gas exhausted from the exhaust pipe, and the exhaust electromagnetic valve is prevented from being frozen due to low temperature and being incapable of being normally opened, so that gas-liquid separation cannot be continuously carried out.
Preferably, the heating temperature of the heating wire is 10-20 ℃.
Furthermore, a male joint is arranged at one end of the liquid inlet pipe communicated with the vacuum heat insulation pipeline, the male joint is of a hollow structure, one end of the male joint penetrates through the outer wall of the outer barrel to be communicated with the cavity, and the other end of the male joint is used for being hermetically connected with a female joint on the vacuum heat insulation pipeline; the liquid inlet pipe penetrates through the male joint to be communicated with the inner cylinder, a gap is formed between the inner part of the male joint and the inner cylinder, and the gap is a vacuum layer; a vacuum installation gap is formed between the inside of the male joint and the inner cylinder, so that the influence of the external temperature on the liquid inlet pipe is reduced, and the gasification degree of liquid gas in the liquid inlet pipe is reduced.
Further, the volume of the inner cylinder is 30L-40L.
The utility model has the advantages that: the gas-liquid separator in the scheme is arranged at the highest position of the tail end of the whole vacuum heat-insulating pipeline, and can automatically discharge gas to ensure that pure liquid is in the pipeline; a vacuum cavity is formed between the outer cylinder and the inner cylinder, so that the inner cylinder is relatively isolated from the outside, the heat loss of the liquid gas in the inner cylinder is reduced, the heat transfer from the liquid gas in the inner cylinder to the outer cylinder is reduced, the gasification degree of the liquid gas in the inner cylinder is reduced, and the water condensation and frosting of the outer cylinder are prevented.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent gas-liquid separator for a vacuum insulated pipeline.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Wherein, 1, an outer cylinder; 2. an inner barrel; 3. a controller; 4. a cavity; 5. a liquid inlet pipe; 6. a liquid level sensor; 7. an exhaust pipe; 8. an evacuation solenoid valve; 9. a vacuum nozzle; 10. a manual stop valve; 11. a safety valve; 12. an air outlet joint; 13. a heater; 14. a temperature sensor; 15. and a male connector.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.
As shown in fig. 1-2, the present invention provides an intelligent gas-liquid separator for a vacuum heat insulation pipeline, which is installed at the highest position of the end of the whole vacuum heat insulation pipeline; it comprises an outer cylinder 1, an inner cylinder 2 and a controller 3; the inner cylinder 2 is arranged inside the outer cylinder 1, and the volume of the inner cylinder 2 is 30L-40L.
A cavity 4 is formed between the outer cylinder 1 and the inner cylinder 2; a vacuum layer is arranged in the cavity 4; a vacuum nozzle 9 communicated with the cavity 4 is fixedly arranged on the outer cylinder 1; the cavity 4 is conveniently evacuated. A vacuum cavity 4 is formed between the outer barrel 1 and the inner barrel 2, so that the inner barrel 2 is relatively isolated from the outside, the heat loss of the liquid gas in the inner barrel 2 is reduced, the heat transfer of the liquid gas in the inner barrel 2 to the outer barrel 1 is reduced, the gasification degree of the liquid gas in the inner barrel 2 is reduced, the water condensation and frost formation of the outer barrel 1 are prevented, and the occurrence of frostbite caused by mistakenly touching the barrel wall of the outer barrel 1 by operating personnel is avoided.
A liquid inlet pipe 5 is arranged at the bottom of the outer barrel 1, one end of the liquid inlet pipe 5 penetrates through the cavity 4 to be communicated with the inner barrel 2, and the other end of the liquid inlet pipe is used for being communicated with a vacuum heat insulation pipeline; a liquid level sensor 6 for monitoring the liquid level of the liquid in the inner barrel 2 is arranged in the inner barrel 2, and the liquid level sensor 6 is electrically connected with the controller 3; an exhaust pipe 7 is arranged at the top of the inner cylinder 2, one end of the exhaust pipe 7 penetrates through the outer cylinder 1 to be communicated with the inner cylinder 2, and the other end of the exhaust pipe is communicated with the outside; the exhaust pipe 7 is hermetically connected with the outer cylinder 1; an evacuation solenoid valve 8 is arranged on the exhaust pipe 7, and the evacuation solenoid valve 8 is electrically connected with the controller 3. Through being provided with level sensor 6 in the inner tube 2, level sensor 6 will gather the liquid level information in the inner tube 2, and through setting for 6 upper and lower limits of liquid level of level sensor, controller 3 opens or closes evacuation solenoid valve 8, but the automatic exhaust gas guarantees to be pure liquid in the pipeline.
The exhaust pipe 7 is provided with a manual stop valve 10, and the manual stop valve 10 can also be used for emergently opening and closing the exhaust pipe 7 when the emptying electromagnetic valve 8 fails. A safety valve 11 is arranged on the exhaust pipe 7, and the safety valve 11 is arranged between the emptying electromagnetic valve 8 and the manual stop valve 10; the safety valve 11 is arranged, the safety valve 11 is in a normally closed state, and when the air pressure in the exhaust pipe 7 exceeds a preset value, the safety valve is opened, so that the exhaust pressure of the exhaust pipe 7 can be controlled not to exceed the preset value, and the safety valve plays an important role in protecting personal safety and equipment operation.
An air outlet joint 12 is arranged at the position where the exhaust pipe 7 penetrates through the outer cylinder 1, the air outlet joint 12 is of a hollow columnar structure with an opening at the lower end, and the lower end of the air outlet joint 12 is connected with the outer wall of the outer cylinder 1; the exhaust pipe 7 passes through the air outlet joint 12 and is communicated with the inner cylinder 2; a heating wire 13 is arranged on the outer wall of the section 7 of the exhaust pipe positioned in the air outlet joint 12, and the heating temperature of the heating wire 13 is 10-20 ℃; if the heating temperature of the heating wire 13 is lower than 10 ℃, the temperature of the gas in the exhaust pipe 7 can not reach the temperature suitable for the evacuation solenoid valve 8, and the service life of the evacuation solenoid valve 8 is reduced; if the heating temperature of the heating wire 13 is higher than 20 ℃, the gasification degree of the liquid gas in the inner cylinder 2 is increased;
the heating wire 13 is connected with the controller 3; a temperature sensor 14 connected to the controller 3 is provided in the exhaust pipe 7. The temperature sensor 14 monitors the temperature in the exhaust pipe 7 in real time, and when the temperature in the exhaust pipe 7 is lower than a preset value, the controller 3 controls the heating wire 13 to work, and the heating wire 13 heats the gas exhausted from the exhaust pipe 7, so that the exhaust electromagnetic valve is prevented from being frozen due to low temperature and being incapable of being normally opened, and gas-liquid separation cannot be continuously performed.
A male joint 15 is arranged at one end of the liquid inlet pipe 5 communicated with the vacuum heat insulation pipeline, the male joint 15 is of a hollow structure, one end of the male joint 15 penetrates through the outer wall of the outer barrel 1 to be communicated with the cavity 4, and the other end of the male joint is used for being hermetically connected with a female joint on the vacuum heat insulation pipeline; the liquid inlet pipe 5 penetrates through the male joint 15 to be communicated with the inner cylinder 2, a gap is formed between the inner part of the male joint 15 and the inner cylinder 2, and the gap is a vacuum layer; a vacuum installation gap is formed between the inner part of the male joint 15 and the inner cylinder 2, so that the influence of the external temperature on the liquid inlet pipe 5 is reduced, and the gasification degree of liquid gas in the liquid inlet pipe 5 is reduced.
The working process of the gas-liquid separator is as follows: the low-temperature liquefied gas in a gas-liquid mixed state enters the inner cylinder 2 through the liquid inlet pipe 5, when the liquid level reaches the lower limit value set by the liquid level sensor 6, the controller 3 opens the exhaust electromagnetic valve, and the gas is exhausted through the exhaust pipe 7; in the exhaust process, liquid continuously enters the inner barrel 2, the liquid level in the inner barrel 2 continuously rises, and when the liquid level rises to the upper limit value set by the liquid level sensor 6, the controller 3 closes the exhaust electromagnetic valve; the process is circulated, the gas in the vacuum heat-insulating pipeline is continuously discharged, and the liquid is remained in the pipeline.
Claims (8)
1. An intelligent gas-liquid separator for a vacuum heat insulation pipeline is characterized by comprising an outer cylinder (1), an inner cylinder (2) and a controller (3); the inner cylinder (2) is arranged in the outer cylinder (1), and a vacuum layer is formed in a cavity (4) between the outer cylinder (1) and the inner cylinder (2);
a liquid inlet pipe (5) is arranged at the bottom of the outer cylinder (1), one end of the liquid inlet pipe (5) penetrates through the cavity (4) to be communicated with the inner cylinder (2), and the other end of the liquid inlet pipe is communicated with a vacuum heat insulation pipeline;
a liquid level sensor (6) for monitoring the liquid level of liquid in the inner barrel (2) is arranged in the inner barrel (2), and the liquid level sensor (6) is electrically connected with the controller (3);
an exhaust pipe (7) is arranged at the top of the inner cylinder (2), one end of the exhaust pipe (7) penetrates through the outer cylinder (1) to be communicated with the inner cylinder (2), and the other end of the exhaust pipe is communicated with the outside; the exhaust pipe (7) is hermetically connected with the outer cylinder (1); an evacuation solenoid valve (8) is arranged on the exhaust pipe (7), and the evacuation solenoid valve (8) is electrically connected with the controller (3).
2. The intelligent gas-liquid separator for vacuum insulated piping according to claim 1, characterized in that a vacuum nozzle (9) communicating with the cavity (4) is fixedly arranged on the outer barrel (1).
3. The intelligent gas-liquid separator for vacuum insulated piping according to claim 2, characterized in that a manual shut-off valve (10) is provided on the gas discharge pipe (7).
4. The intelligent gas-liquid separator for vacuum insulated piping according to claim 3, characterized in that a safety valve (11) is provided on the gas vent pipe (7), the safety valve (11) being provided between the evacuation solenoid valve (8) and the manual shut-off valve (10).
5. The intelligent gas-liquid separator for the vacuum heat insulation pipeline is characterized in that an air outlet joint (12) is arranged at the position, where the exhaust pipe (7) penetrates through the outer cylinder (1), of the exhaust pipe, the air outlet joint (12) is of a hollow cylindrical structure with an open lower end, and the lower end of the air outlet joint (12) is connected with the outer wall of the outer cylinder (1); the exhaust pipe (7) penetrates through the air outlet joint (12) and is communicated with the inner cylinder (2);
a heating wire (13) is arranged on the outer wall of the exhaust pipe (7) section positioned in the air outlet joint (12), and the heating wire (13) is connected with the controller (3);
a temperature sensor (14) connected with the controller (3) is arranged in the exhaust pipe (7).
6. The intelligent gas-liquid separator for vacuum insulated piping according to claim 5, characterized in that the heating temperature of the heating wire (13) is 10-20 ℃.
7. The intelligent gas-liquid separator for the vacuum heat insulation pipeline according to claim 6, wherein a male joint (15) is arranged at one end of the liquid inlet pipe (5) communicated with the vacuum heat insulation pipeline, the male joint (15) is of a hollow structure, one end of the male joint (15) penetrates through the outer wall of the outer barrel (1) to be communicated with the cavity (4), and the other end of the male joint is used for being in sealing connection with a female joint on the vacuum heat insulation pipeline;
the liquid inlet pipe (5) penetrates through the male joint (15) to be communicated with the inner cylinder (2), and a gap is formed between the inner part of the male joint (15) and the inner cylinder (2), and is a vacuum layer.
8. The intelligent gas-liquid separator for the vacuum heat insulation pipeline according to any one of claims 1 to 7, wherein the volume of the inner cylinder (2) is 30L to 40L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022037856.XU CN213930400U (en) | 2020-09-16 | 2020-09-16 | Intelligent gas-liquid separator for vacuum heat insulation pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022037856.XU CN213930400U (en) | 2020-09-16 | 2020-09-16 | Intelligent gas-liquid separator for vacuum heat insulation pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN213930400U true CN213930400U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022037856.XU Active CN213930400U (en) | 2020-09-16 | 2020-09-16 | Intelligent gas-liquid separator for vacuum heat insulation pipeline |
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| CN (1) | CN213930400U (en) |
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- 2020-09-16 CN CN202022037856.XU patent/CN213930400U/en active Active
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