CN109141575A - Low-temperature (low temperature) vessel and pressure obtaning device for low-temperature (low temperature) vessel level gauging - Google Patents
Low-temperature (low temperature) vessel and pressure obtaning device for low-temperature (low temperature) vessel level gauging Download PDFInfo
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- CN109141575A CN109141575A CN201710465037.5A CN201710465037A CN109141575A CN 109141575 A CN109141575 A CN 109141575A CN 201710465037 A CN201710465037 A CN 201710465037A CN 109141575 A CN109141575 A CN 109141575A
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- liquid phase
- pipeline
- phase pipeline
- temperature
- low
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- 239000007791 liquid phase Substances 0.000 claims abstract description 97
- 239000012071 phase Substances 0.000 claims abstract description 37
- 239000011490 mineral wool Substances 0.000 claims abstract description 19
- 239000011229 interlayer Substances 0.000 claims abstract description 16
- 238000013016 damping Methods 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 31
- 239000007789 gas Substances 0.000 description 32
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000002309 gasification Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/021—Special adaptations of indicating, measuring, or monitoring equipment having the height as the parameter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0626—Multiple walls
- F17C2203/0629—Two walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0408—Level of content in the vessel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention provides a kind of low-temperature (low temperature) vessel and for the pressure obtaning device of low-temperature (low temperature) vessel level gauging.Low-temperature (low temperature) vessel includes inner pressurd vessel and the shell outside inner pressurd vessel, has interlayer between inner pressurd vessel and shell；Pressure obtaning device includes liquid phase connector, liquid phase pipeline and gas phase pipeline；Liquid phase pipeline includes the internal liquid phase pipeline and external liquid phase pipeline being connected, and internal liquid phase pipeline inner end is connected to by liquid phase connector with the liquid Space of inner pressurd vessel；Gas phase pipeline includes the inside gas phase pipeline and Outside Vapor pipeline being connected, and internal gas phase pipeline is connected to the gas-phase space of inner pressurd vessel；The internal liquid phase pipeline and the internal gas phase pipeline are located in the interlayer；The external liquid phase pipeline and the Outside Vapor pipeline are located at outside the shell, the mineral wool in the Outside Vapor pipeline and the external liquid phase pipeline filled with setting length.The stability and accuracy of level gauging can be improved in pressure obtaning device of the present invention.
Description
Technical field
The present invention relates to low-temperature (low temperature) vessel level gauging field, in particular to a kind of pressure for low-temperature (low temperature) vessel level gauging
Device and low-temperature (low temperature) vessel with the pressure obtaning device.
Background technique
The working principle of differential pressure type level gauge is to measure liquid level using static pressure variation caused by liquid level difference.It is right
In closed container, since its container itself has pressure, so static pressure is the pressure that fluid column static pressure adds gas-phase space, to survey
Actual liquid level out just has to subtract the pressure of container itself, so must just use differential pressure levelmeter, is just crimped on container
Bottom, negative to be crimped on container top, the differential pressure being achieved in that is exactly static pressure caused by actual liquid level, to converse liquid level height
Degree.
For cryogenic liquid tank lorries such as liquid oxygen, liquid nitrogen, liquid argon, LNG, cryogenic liquid is contained in closed double shells tank body
Interior, the intracorporal level gauging of tank generally uses differential pressure type level gauge, is respectively communicated in tank body by gas phase pipeline and liquid phase pipeline
Gas-liquid phase pressure in tank is led to the liquidometer outside tank and realizes measurement by the gas-phase space and liquid Space of container.Due in tank body
What is filled is -196 ~ -162 DEG C of cryogenic liquid, and in pressure, cryogenic liquid enters and gasifies in gas, liquid pipeline, after gasification
Gas has certain pressure, forms gas shock, will lead to liquidometer pressure difference rapid fluctuation up and down, refers to so as to cause liquidometer
Needle shakes, and thus makes a big impact to liquid level in observation tank.
Summary of the invention
The purpose of the present invention is to provide a kind of pressure obtaning devices for low-temperature (low temperature) vessel level gauging, to improve low-temperature (low temperature) vessel
The stability and accuracy when level gauging are carried out using differential pressure type level gauge.
It is another object of the present invention to provide a kind of low-temperature (low temperature) vessels with above-mentioned pressure obtaning device.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
According to an aspect of the present invention, the present invention provides a kind of pressure obtaning device for low-temperature (low temperature) vessel level gauging, wherein low
Warm container includes inner pressurd vessel and the shell outside inner pressurd vessel, has interlayer between inner pressurd vessel and shell；The pressure obtaning device packet
Include liquid phase connector, liquid phase pipeline and gas phase pipeline；Liquid phase connector is arranged in the inner pressurd vessel bottom；Liquid phase upper end of joint be equipped with
The inlet opening communicated inside the inner pressurd vessel, liquid phase connector lower end are located in the interlayer, and bottom side of the wall is equipped with and the feed liquor
The pressure port that hole communicates；Liquid phase pipeline includes the internal liquid phase pipeline and external liquid phase pipeline being connected, the internal liquid phase pipe
Road inner end is connected on the liquid phase connector, and is connected with the pressure port；Gas phase pipeline includes the inside gas phase being connected
Pipeline and Outside Vapor pipeline, the internal gas phase pipeline are connected to the gas-phase space of the inner pressurd vessel；The internal liquid phase pipe
Road and the internal gas phase pipeline are located in the interlayer；The external liquid phase pipeline and the Outside Vapor pipeline are located at described
Mineral wool outside shell, in the Outside Vapor pipeline and the external liquid phase pipeline filled with setting length.
More preferably, the setting length is not less than 20cm.
More preferably, resistance is additionally provided in the both ends of the mineral wool in the Outside Vapor pipeline and the external liquid phase pipeline
Buddhist nun's block, the end face of the damping block are bonded with the mineral wool；The damping block has the damping hole for penetrating through its length direction, institute
Damping block outer diameter is stated to be adapted to the internal diameter of the Outside Vapor pipeline, the external liquid phase pipeline.
More preferably, the pressure obtaning device further includes heat-conducting mechanism, and the heat-conducting mechanism connects in the internal liquid phase pipeline
End and the shell, the shell heat is conducted to the internal liquid phase pipeline.
More preferably, the heat-conducting mechanism includes thermally conductive copper wire, and the thermally conductive copper wire is wound on the internal liquid phase pipeline
And close to the liquid phase connector, the thermally conductive copper wire is fixed with the shell.
More preferably, the heat-conducting mechanism further includes metal plate；The thermally conductive copper wire is wound on the metal plate and welds
On the housing.
More preferably, the pressure port aperture is less than the inlet opening aperture.
More preferably, mounting hole is arranged in the liquid phase connector on the outside of the pressure port, and the internal liquid phase pipeline protrudes into this
It fixes in mounting hole and is connected with the pressure port.
More preferably, the internal liquid phase pipeline and the internal gas phase pipeline are in the interlayer inner disc around setting.
According to another aspect of the present invention, the present invention also provides a kind of low-temperature (low temperature) vessels, including pressure as described above to fill
It sets.
As shown from the above technical solution, the present invention has at least the following advantages and good effect: pressure obtaning device of the invention
In, the mineral wool being filled in Outside Vapor pipeline and external liquid phase pipeline is squeezed to form irregular shape in pipe, shape
At multiple tracks fold, plays the role of similar barrier wall, can effectively lengthen the path of internal gas flow circulation, reduce air-flow
Impact energy prevents internal pressure unexpected fluctuation from causing impact to liquidometer pointer and liquidometer pointer is caused acutely to shake, has
Effect improves the stability and accuracy of level gauging.
Further, by the setting of internal heat-conducting mechanism, make cryogenic liquid Quick-gasifying in internal liquid phase pipeline, match
The mineral wool in exterior line is closed, the airflow fluctuation in gas, liquid pipe is stabilized from inside to outside, further increases level gauging
Stability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of preferred embodiment of the present invention low-temperature (low temperature) vessel and its internal pressure obtaning device.
Fig. 2 is the structural schematic diagram that preferred embodiment of the present invention pressure obtaning device is located at low-temperature (low temperature) vessel shell exterior.
Fig. 3 is the schematic diagram of internal structure of preferred embodiment of the present invention pressure obtaning device external liquid phase pipeline.
Fig. 4 is partial enlarged view at A in Fig. 1 of the present invention.
Fig. 5 is the B direction view of Fig. 1 of the present invention.
The reference numerals are as follows: 10, low-temperature (low temperature) vessel；1, inner pressurd vessel；2, shell；3, interlayer；41, gas phase connector；42, interior
Portion's gas phase pipeline；421, coil pipe；43, Outside Vapor pipeline；44, liquid phase connector；441, inlet opening；442, pressure port；443, pacify
Fill hole；45, internal liquid phase pipeline；451, coil pipe；46, external liquid phase pipeline；47, mineral wool；48, damping block；481, damping hole；
49, heat-conducting mechanism；491, thermally conductive copper wire；492, metal plate；20, liquidometer.
Specific embodiment
The exemplary embodiment for embodying feature of present invention and advantage will describe in detail in the following description.It should be understood that
The present invention can have various variations in different embodiments, neither depart from the scope of the present invention, and theory therein
Bright and diagram inherently is illustrated as being used, rather than to limit the present invention.
The present invention provides a kind of pressure obtaning device for low-temperature (low temperature) vessel level gauging and the low temperature with the pressure obtaning device holds
The liquid level of device, the low-temperature (low temperature) vessel is measured by differential pressure type level gauge, and pressure obtaning device has gas phase pipeline and liquid phase pipeline, to divide
The gas, liquid pressure of low-temperature (low temperature) vessel differential pressure type level gauge is not led into.
As shown in Figure 1, low-temperature (low temperature) vessel 10 is the double-deck horizontal (storage) tank, there is inner pressurd vessel 1 and the shell except inner pressurd vessel 1
2, it is vacuum interlayer 3 between inner pressurd vessel 1 and shell 2.Inner pressurd vessel 1 and shell 2 are all made of existing structure, have cylinder and are located at cylinder
The end socket at body both ends.
Together refering to fig. 1 and Fig. 2, the gas phase pipeline and liquid phase pipeline of pressure obtaning device both pass through the end socket of shell 2, with end socket
For boundary, gas phase pipeline is divided into the inside gas phase pipeline 42 in interlayer 3 and the Outside Vapor pipeline 43 outside shell 2,
Liquid phase pipeline is divided into the internal liquid phase pipeline 45 in interlayer 3 and the external liquid phase pipeline 46 outside shell 2.Internal gas phase
Pipeline 42 is connected with Outside Vapor pipeline 43, and internal liquid phase pipeline 45 is connected with external liquid phase pipeline 46.
The gas of gas phase connector 41 and inner pressurd vessel 1 that the inner end of internal gas phase pipeline 42 is arranged in 1 top of inner pressurd vessel by one
The prior art can be used in phase space connection, the structure of gas phase connector 41.
Together refering to Fig. 2 and Fig. 4, the inner end of internal liquid phase pipeline 45 is connect by a liquid phase for being arranged in 1 bottom of inner pressurd vessel
First 44 are connected to the liquid Space of inner pressurd vessel 1.44 upper end of liquid phase connector is equipped with and the inlet opening 441 that communicates inside inner pressurd vessel 1, liquid
44 lower end of phase connector is located in interlayer 3, and bottom side of the wall is equipped with the pressure port 442 directly communicated with inlet opening 441 and positioned at taking
Press the mounting hole 443 in 442 outside of hole.The inner end of internal liquid phase pipeline 45 is protruded into the mounting hole 443 and is fixed, and and pressure port
442 are connected.Cryogenic liquid in inner pressurd vessel 1 successively can enter internal liquid phase pipe through inlet opening 441 and pressure port 442
In road 45.More preferably, 442 aperture of pressure port is less than 441 aperture of inlet opening, to reduce the liquid entered in internal liquid phase pipeline 45
Amount, and prevent the gas backstreaming in internal liquid phase pipeline 45 after gasification.
Refering to Fig. 2 and Fig. 3, Outside Vapor pipeline 43 and external liquid phase pipeline 46 are respectively used to connection differential pressure type level gauge 20
Gas, liquid interface, the mineral wool 47 in Outside Vapor pipeline 43 and external liquid phase pipeline 46 filled with setting length L, compared with
Excellently, which is not less than 20cm.Mineral wool 47 can be used the mode filled by hand and closely be filled in Outside Vapor pipe
In road 43 and external liquid phase pipeline 46.
Mineral wool 47 is squeezed to form irregular shape in Outside Vapor pipeline 43 and external liquid phase pipeline 46, is formed
Multiple tracks fold plays the role of similar barrier wall, can effectively lengthen the path of internal gas flow circulation, reduce rushing for air-flow
Energy is hit, prevents internal pressure unexpected fluctuation from causing impact to 20 pointer of liquidometer and 20 pointer of liquidometer is caused acutely to shake,
Effectively improve the stability and accuracy of level gauging.
With continued reference to Fig. 3, further, in Outside Vapor pipeline 43 and external liquid phase pipeline 46 also in the both ends of mineral wool 47
Equipped with damping block 48, the end face of damping block 48 is bonded with mineral wool 47；Damping block 48 has the damping hole for penetrating through its length direction
481,48 outer diameter of damping block is adapted to the internal diameter of corresponding Outside Vapor pipeline 43, external liquid phase pipeline 46.On damping block 48
Damping hole 481 reduces the throughput into liquidometer 20, further decreases the impact energy of air-flow, cooperates the resistance of mineral wool 47
Partition wall effect, further increases measurement stability.Meanwhile the damping block 48 at both ends also acts the effect of fixed mineral wool 47,
It is filled in Outside Vapor pipeline 43 and external liquid phase pipeline 46 with enabling 47 consolidation of mineral wool.
Referring again to Fig. 4, more preferably, pressure obtaning device further includes heat-conducting mechanism 49, and heat-conducting mechanism 49 connects internal liquid phase pipeline
45 inner ends and shell 2,2 heat of shell is passed to internal liquid phase pipeline 45.Since shell 2 is contacted with external environment, pass through
Heat can be transferred on internal liquid phase pipeline 45 by shell 2 by heat-conducting mechanism 49, by the Low Temperature Liquid in internal liquid phase pipeline 45
Body Quick-gasifying avoids liquid from forming fluid column in internal liquid phase pipeline 45, causes liquidometer reading inaccurate.Simultaneously as leading
Heat engine structure 49 connects internal liquid phase pipeline 45, and the gas in internal liquid phase pipeline 45 after liquid gasification will not be back to inner pressurd vessel 1
It is interior, therefore bubble will not be formed in inner pressurd vessel 1, liquid phase pressure acquired by internal liquid phase pipeline 45 can accurately reflect content
The practical liquid phase pressure of device 1.Mineral wool 47 in heat-conducting mechanism 49 and Outside Vapor pipeline 43, external liquid phase pipeline 46 matches
It closes, stabilizes the airflow fluctuation in gas, liquid pipeline from inside to outside, make that there is steady pressure in gas, liquid pipe, to improve liquid
The accuracy of position meter measurement.
In the present embodiment, heat-conducting mechanism 49 includes thermally conductive copper wire 491, and the middle section of thermally conductive copper wire 491 is in internal liquid phase pipeline
A few are wound on 45, and close to liquid phase connector 44 at 491 winding of thermally conductive copper wire, cryogenic liquid enters after internal liquid phase pipeline 45 i.e.
It can be at once by thermal evaporation.The both ends of thermally conductive copper wire 491 and shell 2 are fixed.More preferably, the end of thermally conductive copper wire 491 is wound in gold
Belong on plate 492, then is welded on shell 2；The contact area for increasing thermally conductive copper wire 491 and shell 2 by metal plate 492, is improved
Heat-conducting effect.
Referring again to Fig. 5, further, internal gas phase pipeline 42 and internal liquid phase pipeline 45 in 3 inner disc of interlayer around setting, it is interior
It is formed with coil pipe 421 on portion's gas phase pipeline 42, coil pipe 451 is formed on internal liquid phase pipeline 45, by the setting of coil pipe into one
Step increases air-flow flow path, helps to further increase airflow stability.
Although describing the present invention with reference to several exemplary embodiments, it is to be understood that, term used be explanation and
Term exemplary, and not restrictive.Due to the present invention can be embodied in a variety of forms without departing from invention spirit or
Essence, it should therefore be appreciated that above embodiment is not limited to any of the foregoing details, and should be defined by the appended claims
The whole change and modification widely explained, therefore fallen into claim or its equivalent scope in spirit and scope all should be with
Attached claim is covered.
Claims (10)
1. a kind of pressure obtaning device for low-temperature (low temperature) vessel level gauging, wherein low-temperature (low temperature) vessel include inner pressurd vessel and be located at inner pressurd vessel
Outer shell has interlayer between inner pressurd vessel and shell；It is characterized in that, the pressure obtaning device includes:
Liquid phase connector is arranged in the inner pressurd vessel bottom；Liquid phase upper end of joint is equipped with and the feed liquor that communicates inside the inner pressurd vessel
Hole, liquid phase connector lower end are located in the interlayer, and bottom side of the wall is equipped with the pressure port communicated with the inlet opening；
Liquid phase pipeline, including the internal liquid phase pipeline and external liquid phase pipeline being connected, the connection of internal liquid phase pipeline inner end
In on the liquid phase connector, and it is connected with the pressure port；
Gas phase pipeline, including the inside gas phase pipeline being connected and Outside Vapor pipeline, the internal gas phase pipeline with it is described interior
The gas-phase space of container is connected to；
The internal liquid phase pipeline and the internal gas phase pipeline are located in the interlayer；The external liquid phase pipeline and described outer
Portion's gas phase pipeline is located at outside the shell, filled with setting length in the Outside Vapor pipeline and the external liquid phase pipeline
Mineral wool.
2. pressure obtaning device according to claim 1, which is characterized in that the setting length is not less than 20cm.
3. pressure obtaning device according to claim 1, which is characterized in that the Outside Vapor pipeline and the external liquid phase pipe
It is additionally provided with damping block in the both ends of the mineral wool in road, the end face of the damping block is bonded with the mineral wool；The damping
Block has the damping hole for penetrating through its length direction, the damping block outer diameter and the Outside Vapor pipeline, the external liquid phase pipe
The internal diameter on road is adapted to.
4. pressure obtaning device according to claim 1-3, which is characterized in that it further include heat-conducting mechanism, it is described thermally conductive
Mechanism connects internal liquid phase pipeline inner end and the shell, and the shell heat is conducted to the internal liquid phase pipe
Road.
5. pressure obtaning device according to claim 4, which is characterized in that the heat-conducting mechanism includes thermally conductive copper wire, described to lead
Hot copper wire is wound on the internal liquid phase pipeline and close to the liquid phase connector, and the thermally conductive copper wire is fixed with the shell.
6. pressure obtaning device according to claim 5, which is characterized in that the heat-conducting mechanism further includes metal plate；It is described to lead
Hot copper wire is wound on the metal plate and welds on the housing.
7. pressure obtaning device according to claim 1-3, which is characterized in that the pressure port aperture be less than it is described into
Fluid apertures aperture.
8. pressure obtaning device according to claim 1-3, which is characterized in that the liquid phase connector is in the pressure port
Mounting hole is arranged in outside, and the internal liquid phase pipeline, which protrudes into the mounting hole, to be fixed and be connected with the pressure port.
9. pressure obtaning device according to claim 1-3, which is characterized in that the internal liquid phase pipeline and described interior
Portion's gas phase pipeline is in the interlayer inner disc around setting.
10. a kind of low-temperature (low temperature) vessel, which is characterized in that including such as described in any item pressure obtaning devices of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465037.5A CN109141575A (en) | 2017-06-19 | 2017-06-19 | Low-temperature (low temperature) vessel and pressure obtaning device for low-temperature (low temperature) vessel level gauging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465037.5A CN109141575A (en) | 2017-06-19 | 2017-06-19 | Low-temperature (low temperature) vessel and pressure obtaning device for low-temperature (low temperature) vessel level gauging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109141575A true CN109141575A (en) | 2019-01-04 |
Family
ID=64804557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710465037.5A Withdrawn CN109141575A (en) | 2017-06-19 | 2017-06-19 | Low-temperature (low temperature) vessel and pressure obtaning device for low-temperature (low temperature) vessel level gauging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109141575A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963894A (en) * | 2020-06-05 | 2020-11-20 | 德琛智能科技(苏州)有限公司 | Pipe distribution structure and method in differential pressure liquid level meter tank |
| CN113390487A (en) * | 2021-05-13 | 2021-09-14 | 中车长江运输设备集团有限公司 | Differential pressure type liquid level measuring system, low-temperature medium storage tank and tank truck |
| CN114823040A (en) * | 2022-06-23 | 2022-07-29 | 西南交通大学 | High-temperature superconducting magnetic suspension Dewar capable of increasing damping and suspension force and width calculation method |
-
2017
- 2017-06-19 CN CN201710465037.5A patent/CN109141575A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963894A (en) * | 2020-06-05 | 2020-11-20 | 德琛智能科技(苏州)有限公司 | Pipe distribution structure and method in differential pressure liquid level meter tank |
| CN113390487A (en) * | 2021-05-13 | 2021-09-14 | 中车长江运输设备集团有限公司 | Differential pressure type liquid level measuring system, low-temperature medium storage tank and tank truck |
| CN113390487B (en) * | 2021-05-13 | 2024-02-13 | 中车长江运输设备集团有限公司 | Differential pressure type liquid level measurement system, low-temperature medium storage tank and tank truck |
| CN114823040A (en) * | 2022-06-23 | 2022-07-29 | 西南交通大学 | High-temperature superconducting magnetic suspension Dewar capable of increasing damping and suspension force and width calculation method |
| CN114823040B (en) * | 2022-06-23 | 2022-09-13 | 西南交通大学 | High-temperature superconducting magnetic suspension Dewar capable of increasing damping and suspension force and width calculation method |
| US11725925B1 (en) | 2022-06-23 | 2023-08-15 | Southwest Jiaotong University | High-temperature superconducting (HTS) magnetic levitation (maglev) Dewar capable of increasing damping and levitation force and width calculating method thereof |
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Application publication date: 20190104 |