CN205137059U - Storage type liquid nitrogen container supplies liquid nitrogen of liquid to supply liquid device - Google Patents
Storage type liquid nitrogen container supplies liquid nitrogen of liquid to supply liquid device Download PDFInfo
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- CN205137059U CN205137059U CN201520900315.1U CN201520900315U CN205137059U CN 205137059 U CN205137059 U CN 205137059U CN 201520900315 U CN201520900315 U CN 201520900315U CN 205137059 U CN205137059 U CN 205137059U
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- liquid nitrogen
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- nitrogen container
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Abstract
The utility model provides a storage type liquid nitrogen container supplies the pressure adjustable liquid nitrogen of liquid to supply the liquid device, includes storage type liquid nitrogen container, sealing plug subassembly, vacuum insulation transfer line, vapour and liquid separator. The liquid nitrogen gets into vapour and liquid separator through the vacuum insulation transfer line from storage type liquid nitrogen container, the vacuum insulation transfer line passes through that sealing plug subassembly and storage type liquid nitrogen container connect and is sealed, fills intos compressed air in to storage type liquid nitrogen container through the vacuum insulation transfer line, extrudes the liquid nitrogen, and pressure is adjustable, vapour and liquid separator's exhaust control is passed through to liquid nitrogen liquid level in the vapour and liquid separator, and the liquid nitrogen discharges the pressure that relies on in the vapour and liquid separator, and pressure is adjustable, with liquid nitrogen container pressure.
Description
Technical field
The utility model relates to a kind of device that can realize liquid nitrogen feed flow, can provide the liquid nitrogen of continuous print liquid condition, especially use memory type liquid nitrogen container as the device for storing liquid of liquid nitrogen, and liquid supply pressure is adjustable.
Background technique
At present, in liquid nitrogen filling field, for providing stable liquid nitrogen stream, band pressure liquid nitrogen source, gas-liquid separator and vacuum heat-preserving are conventional several technological means; Band pressure liquid nitrogen source is generally from supercharging liquid nitrogen container, and build is not easy to more greatly mobile; And gas-liquid separator utilizes difference of liquid level to realize liquid supply pressure, pressure cannot adjust.
Summary of the invention
In order to overcome the problem of existing liquid nitrogen filling apparatus, the utility model uses pressurized with compressed air in memory type liquid nitrogen container, achieve the feed flow of memory type liquid nitrogen container to gas-liquid separator and discharge opeing two functions of gas-liquid separator simultaneously, and the flow of gas-liquid separator discharge opeing can be adjusted by adjusting compressed-air actuated pressure.Utilize memory type liquid nitrogen container, be convenient to mobile and change; Gas-liquid separator utilizes pressure instead of difference of liquid level to take feed flow, can reduce the height of liquid feed means; Liquid feed means has stronger space adaptability.
The utility model solves the technological scheme that its technical problem adopts:
A liquid nitrogen liquid feed means for the pressure adjustable of memory type liquid nitrogen container feed flow, comprises memory type liquid nitrogen container, sealing plug assembly, vacuum heat-preserving indusion tube, gas-liquid separator.Liquid nitrogen enters gas-liquid separator by vacuum heat-preserving indusion tube from memory type liquid nitrogen container; Vacuum heat-preserving indusion tube to be connected with memory type liquid nitrogen container by sealing plug assembly and to seal, and is filled with pressurized air by vacuum heat-preserving indusion tube in memory type liquid nitrogen container, and extruded by liquid nitrogen, pressure adjustable is whole; Liquid nitrogen liquid level in gas-liquid separator is by the gas exhaust inspecting of gas-liquid separator, and liquid nitrogen discharge relies on the pressure in gas-liquid separator, and pressure adjustable is whole, with liquid nitrogen container pressure.
Sealing plug assembly comprises sealing plug, middle sealing plug, lower seal plug, upper sealing plug locking nut, exterior seal ring, inner seal ring.Sealing plug assembly is inserted memory type liquid nitrogen container neck tube place, turn clockwise upper sealing plug, the scyewed joint of upper sealing plug and lower seal plug is tightened, two exterior seal rings in compression between sealing plug and middle sealing plug and between middle sealing plug and lower seal plug, realize the hermetic seal of memory type liquid nitrogen container neck tube and sealing plug inter-module.Vacuum heat-preserving indusion tube is inserted the intermediate hole of sealing plug assembly, the position of adjustment vacuum heat-preserving indusion tube is to adapt to the degree of depth of liquid nitrogen container, turn clockwise upper sealing plug locking nut, and inner seal ring compresses, and can realize the location between vacuum heat-preserving indusion tube and sealing plug assembly and sealing.
Part in the insertion memory type liquid nitrogen container of vacuum heat-preserving indusion tube is also vacuum heat-preserving, also can transmit liquid nitrogen and be not evaporated to gas nitrogen when can ensure that liquid level is lower in memory type liquid nitrogen container.Indusion tube extension tube, below vacuum heat-preserving indusion tube, is attached thereto with thread forms, by changing the extension tube of different length, can adapt to the memory type liquid nitrogen container of different brands, specification.
In the upper position of the outer part of the memory type liquid nitrogen container of vacuum heat-preserving indusion tube, be provided with pressure exhaust pipeline, the gas space in memory type liquid nitrogen container is communicated with the external world by this pipeline, and pipeline is connected to threeway, connects open type stop valve and precise pressure regulating valve respectively; Open type stop valve is in normally open when not being energized, and UNICOM's memory type liquid nitrogen container inside and outside atmosphere, guarantee that the nitrogen of liquid nitrogen vaporization can discharge memory type liquid nitrogen container; When being energized, stop valve is closed, gas through pressure regulator valve pressure regulation enters the internal pressure that memory type liquid nitrogen container increases memory type liquid nitrogen container, and liquid nitrogen is then pumped to gas-liquid separator along liquid transport pipeline, cannot enter until the pressure in gas-liquid separator is elevated to pressure balance liquid nitrogen.
Gas-liquid separator is the cylindrical tank of double-layered vacuum heat-insulation, and side is connected with pneumatic T-shaped stop valve, and has one section of bend pipe to test to gas-liquid separator close to bottom position.When the gas exhaust piping stop valve of gas-liquid separator is closed, after the pressure balance of gas-liquid separator and liquid nitrogen container, fluid injection stops; The T-shaped stop valve be connected with gas-liquid separator can control liquid nitrogen in gas-liquid separator and discharge, after discharge, the liquid nitrogen of gas-liquid separator reduces, the gas exhaust piping stop valve of gas-liquid separator is opened, and liquid nitrogen can be supplemented to gas-liquid separator from memory type liquid nitrogen container under differential pressure action.
The pressure of liquid nitrogen discharge can be regulated by precise pressure regulating valve.
The beneficial effects of the utility model are: utilize memory type liquid nitrogen container as liquid nitrogen liquid source, can increase the mobility of liquid nitrogen liquid feed means; By pressure discharge opeing instead of the difference of liquid level discharge opeing of gas-liquid separator, the height dimension of liquid feed means can be reduced, improve the space adaptability of liquid feed means; By adjusting the discharge opeing pressure of gas-liquid separator, can draining flow be adjusted, meet the occasion of different liquid nitrogen consumption.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Fig. 1 is the overall construction drawing of the utility model embodiment;
Fig. 2 is the structural drawing of sealing plug assembly;
Fig. 3 is the structural drawing of vacuum heat-preserving indusion tube;
Fig. 4 is the structural drawing of gas-liquid separator.
1. memory type liquid nitrogen containers, 2. sealing plug assembly, 3. vacuum heat-preserving indusion tube in figure, 4. gas-liquid separator, 5. goes up sealing plug, sealing plug 6., 7. lower seal plug, 8. goes up sealing plug locking nut, 9. exterior seal ring, 10. inner seal ring, 11. indusion tube extension tubes, 12. pressure exhaust pipelines, 13. pneumatic T-shaped stop valves, 14. bend pipes, 15. gas exhaust pipings.
Embodiment
In FIG, the utility model comprises memory type liquid nitrogen container (1), sealing plug assembly (2), vacuum heat-preserving indusion tube (3), gas-liquid separator (4).Liquid nitrogen enters gas-liquid separator (4) by vacuum heat-preserving indusion tube (3) from memory type liquid nitrogen container (1); Vacuum heat-preserving indusion tube (3) is connected by sealing plug assembly (2) with memory type liquid nitrogen container (1) and seals, and is filled with pressurized air by the gas passageway of vacuum heat-preserving indusion tube (3) in memory type liquid nitrogen container (1), and extruded by liquid nitrogen, pressure adjustable is whole; Liquid nitrogen liquid level in gas-liquid separator (4) is by the gas exhaust inspecting of gas-liquid separator, and liquid nitrogen discharge relies on the pressure in gas-liquid separator, and pressure adjustable is whole, with liquid nitrogen container pressure.
Sealing plug assembly (2) comprises sealing plug (5), middle sealing plug (6), lower seal plug (7), upper sealing plug locking nut (8), exterior seal ring (9), inner seal ring (10).Sealing plug assembly (2) is inserted memory type liquid nitrogen container (1) neck tube place, turn clockwise upper sealing plug (5), the scyewed joint of upper sealing plug (5) and lower seal plug (7) is tightened, two exterior seal rings (9) in compression between sealing plug (5) and middle sealing plug (6) and between middle sealing plug (6) and lower seal plug (7), realize the hermetic seal between memory type liquid nitrogen container (1) neck tube and sealing plug assembly (2).Vacuum heat-preserving indusion tube (3) is inserted the intermediate hole of sealing plug assembly (2), the position of adjustment vacuum heat-preserving indusion tube (3) is to adapt to the degree of depth of liquid nitrogen container (1), turn clockwise upper sealing plug locking nut (8), inner seal ring compression (10), can realize the location between vacuum heat-preserving indusion tube (3) and sealing plug assembly (2) and sealing.
Part in the insertion memory type liquid nitrogen container (1) of vacuum heat-preserving indusion tube (2) is also vacuum heat-preserving, also can transmit liquid nitrogen and be not evaporated to gas nitrogen when can ensure that liquid level is lower in memory type liquid nitrogen container (1).Indusion tube extension tube (11), in vacuum heat-preserving indusion tube (2) below, is attached thereto with thread forms, by changing the extension tube (11) of different length, can adapt to the memory type liquid nitrogen container (1) of different brands, specification.
In the upper position of the outer part of the memory type liquid nitrogen container of vacuum heat-preserving indusion tube (2), be provided with pressure exhaust pipeline (12), the gas space in memory type liquid nitrogen container (1) is communicated with the external world by this pipeline, and pipeline is connected to threeway, connects open type stop valve and precise pressure regulating valve respectively; Open type stop valve is in normally open when not being energized, and UNICOM's memory type liquid nitrogen container (1) inside and outside atmosphere, guarantee that the nitrogen of liquid nitrogen vaporization can discharge memory type liquid nitrogen container (1); When being energized, stop valve is closed, gas through pressure regulator valve pressure regulation enters the internal pressure that memory type liquid nitrogen container (1) increases memory type liquid nitrogen container (1), liquid nitrogen is then pumped to gas-liquid separator (4) along liquid transport pipeline (3), cannot enter until the pressure in gas-liquid separator (4) is elevated to pressure balance liquid nitrogen.
Gas-liquid separator (1) is the cylindrical tank of double-layered vacuum heat-insulation, and side is connected with pneumatic T-shaped stop valve (13), and has one section of bend pipe (14) to test to gas-liquid separator (4) close to bottom position.Gas exhaust piping (15) stop valve when gas-liquid separator (4) is closed, and after the pressure balance of gas-liquid separator (4) and liquid nitrogen container (1), fluid injection stops; The T-shaped stop valve (13) be connected with gas-liquid separator (4) can control gas-liquid separator (4) inner liquid nitrogen and discharge, after discharge, the liquid nitrogen of gas-liquid separator (4) reduces, gas exhaust piping (15) stop valve of gas-liquid separator is opened, and liquid nitrogen can be supplemented to gas-liquid separator (4) from memory type liquid nitrogen container (1) under differential pressure action.
The pressure of liquid nitrogen discharge can be regulated by precise pressure regulating valve.
Claims (9)
1. a liquid nitrogen liquid feed means for memory type liquid nitrogen container feed flow, comprises memory type liquid nitrogen container (1), sealing plug assembly (2), vacuum heat-preserving indusion tube (3), gas-liquid separator (4); It is characterized in that: liquid nitrogen enters gas-liquid separator (4) by vacuum heat-preserving indusion tube (3) from memory type liquid nitrogen container (1); Vacuum heat-preserving indusion tube (3) is connected by sealing plug assembly (2) with memory type liquid nitrogen container (1) and seals, and is filled with pressurized air by the gas passageway of vacuum heat-preserving indusion tube (3) in memory type liquid nitrogen container (1), and extruded by liquid nitrogen, pressure adjustable is whole; Liquid nitrogen liquid level in gas-liquid separator (4) is by the gas exhaust inspecting of gas-liquid separator, and liquid nitrogen discharge relies on the pressure in gas-liquid separator, and pressure adjustable is whole, with liquid nitrogen container pressure.
2. the liquid nitrogen liquid feed means of a kind of memory type liquid nitrogen container feed flow according to claim 1, is characterized in that: sealing plug assembly (2) comprises sealing plug (5), middle sealing plug (6), lower seal plug (7), upper sealing plug locking nut (8), exterior seal ring (9), inner seal ring (10).
3. the liquid nitrogen liquid feed means of a kind of memory type liquid nitrogen container feed flow according to claim 1, it is characterized in that: sealing plug assembly (2) is inserted memory type liquid nitrogen container (1) neck tube place, turn clockwise upper sealing plug (5), the scyewed joint of upper sealing plug (5) and lower seal plug (7) is tightened, two exterior seal rings (9) in compression between sealing plug (5) and middle sealing plug (6) and between middle sealing plug (6) and lower seal plug (7), realize the hermetic seal between memory type liquid nitrogen container (1) neck tube and sealing plug assembly (2).
4. the liquid nitrogen liquid feed means of a kind of memory type liquid nitrogen container feed flow according to claim 1, it is characterized in that: intermediate hole vacuum heat-preserving indusion tube (3) being inserted sealing plug assembly (2), the position of adjustment vacuum heat-preserving indusion tube (3) is to adapt to the degree of depth of liquid nitrogen container (1), turn clockwise upper sealing plug locking nut (8), inner seal ring compression (10), can realize the location between vacuum heat-preserving indusion tube (3) and sealing plug assembly (2) and sealing.
5. the liquid nitrogen liquid feed means of a kind of memory type liquid nitrogen container feed flow according to claim 1, it is characterized in that: the part in the insertion memory type liquid nitrogen container (1) of vacuum heat-preserving indusion tube (2) is also vacuum heat-preserving, also can transmit liquid nitrogen and be not evaporated to gas nitrogen when can ensure that liquid level is lower in memory type liquid nitrogen container (1).
6. the liquid nitrogen liquid feed means of a kind of memory type liquid nitrogen container feed flow according to claim 1, it is characterized in that: indusion tube extension tube (11) is in vacuum heat-preserving indusion tube (2) below, be attached thereto with thread forms, by changing the extension tube (11) of different length, the memory type liquid nitrogen container (1) of different brands, specification can be adapted to.
7. the liquid nitrogen liquid feed means of a kind of memory type liquid nitrogen container feed flow according to claim 1, it is characterized in that: in the upper position of the outer part of the memory type liquid nitrogen container of vacuum heat-preserving indusion tube (2), be provided with pressure exhaust pipeline (12), the gas space in memory type liquid nitrogen container (1) is communicated with the external world by this pipeline, gas through pressure regulator valve pressure regulation enters the internal pressure that memory type liquid nitrogen container (1) increases memory type liquid nitrogen container (1), liquid nitrogen is then pumped to gas-liquid separator (4) along liquid transport pipeline (3), cannot enter until the pressure in gas-liquid separator (4) is elevated to pressure balance liquid nitrogen.
8. the liquid nitrogen liquid feed means of a kind of memory type liquid nitrogen container feed flow according to claim 1, it is characterized in that: gas-liquid separator (1), it is the cylindrical tank of double-layered vacuum heat-insulation, side is connected with pneumatic T-shaped stop valve (13), and has one section of bend pipe (14) to test to gas-liquid separator (4) close to bottom position; Gas exhaust piping (15) stop valve when gas-liquid separator (4) is closed, and after the pressure balance of gas-liquid separator (4) and liquid nitrogen container (1), fluid injection stops; The T-shaped stop valve (13) be connected with gas-liquid separator (4) can control gas-liquid separator (4) inner liquid nitrogen and discharge, after discharge, the liquid nitrogen of gas-liquid separator (4) reduces, gas exhaust piping (15) stop valve of gas-liquid separator is opened, and liquid nitrogen can be supplemented to gas-liquid separator (4) from memory type liquid nitrogen container (1) under differential pressure action.
9. the liquid nitrogen liquid feed means of a kind of memory type liquid nitrogen container feed flow according to claim 1, is characterized in that: the pressure of liquid nitrogen discharge can be regulated by precise pressure regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520900315.1U CN205137059U (en) | 2015-11-12 | 2015-11-12 | Storage type liquid nitrogen container supplies liquid nitrogen of liquid to supply liquid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520900315.1U CN205137059U (en) | 2015-11-12 | 2015-11-12 | Storage type liquid nitrogen container supplies liquid nitrogen of liquid to supply liquid device |
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| Publication Number | Publication Date |
|---|---|
| CN205137059U true CN205137059U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520900315.1U Expired - Fee Related CN205137059U (en) | 2015-11-12 | 2015-11-12 | Storage type liquid nitrogen container supplies liquid nitrogen of liquid to supply liquid device |
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| CN (1) | CN205137059U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641707A (en) * | 2016-10-08 | 2017-05-10 | 中国矿业大学 | Efficient self-pressurized metering liquid nitrogen pump |
| CN106826390A (en) * | 2017-02-23 | 2017-06-13 | 华中科技大学 | A kind of difficult-to-machine material deep cooling system of processing for automating liquid nitrogen flow control |
| CN107677026A (en) * | 2017-11-06 | 2018-02-09 | 贵州大学 | A kind of mining liquid nitrogen loading system |
| CN109157323A (en) * | 2018-11-05 | 2019-01-08 | 赖飞 | A kind of whole body cold therapy system |
-
2015
- 2015-11-12 CN CN201520900315.1U patent/CN205137059U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641707A (en) * | 2016-10-08 | 2017-05-10 | 中国矿业大学 | Efficient self-pressurized metering liquid nitrogen pump |
| CN106826390A (en) * | 2017-02-23 | 2017-06-13 | 华中科技大学 | A kind of difficult-to-machine material deep cooling system of processing for automating liquid nitrogen flow control |
| CN107677026A (en) * | 2017-11-06 | 2018-02-09 | 贵州大学 | A kind of mining liquid nitrogen loading system |
| CN109157323A (en) * | 2018-11-05 | 2019-01-08 | 赖飞 | A kind of whole body cold therapy system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20161112 |