CN103148910A - Horizontal low temperature container and liquid level measurement device thereof - Google Patents
Horizontal low temperature container and liquid level measurement device thereof Download PDFInfo
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- CN103148910A CN103148910A CN2011104012362A CN201110401236A CN103148910A CN 103148910 A CN103148910 A CN 103148910A CN 2011104012362 A CN2011104012362 A CN 2011104012362A CN 201110401236 A CN201110401236 A CN 201110401236A CN 103148910 A CN103148910 A CN 103148910A
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Abstract
The invention discloses a horizontal low temperature container and a liquid level measurement device thereof. The liquid level measurement device comprises a liquid-phase pipeline and a gas-phase pipeline, wherein the liquid-phase pipeline is divided into an external liquid-phase pipeline and an internal liquid-phase pipeline through a first leading-out joint; and the gas-phase pipeline is divided into an external gas-phase pipeline and an internal gas-phase pipeline through a second leading-out joint, the first leading-out joint is arranged in a position which is in the vertical central line of a rear sealing head of an inner container of the horizontal low temperature container and close to the lowest point, and the second leading-out joint is arranged in a position which is in the vertical central line of a rear sealing head of the inner container of the horizontal low temperature container and close to the highest point. By utilizing the liquid level measurement device, the thickness of a vacuum interlayer can be reduced, and the reading of a liquid level meter is more accurate.
Description
Technical field
The present invention relates to the cryogenic engineering technical field, relate in particular to a kind of liquid level emasuring device for the horizontal low temperature container and have the horizontal low temperature container of this liquid level emasuring device.
Background technology
In the horizontal low temperature container, in order to pursue under the condition that limits gross weight, physical dimension, increase as much as possible the volume of container, usually need to arrange compactly the pipeline of outside or interlayer as far as possible.
In prior art, the liquid level emasuring device of horizontal low temperature container is normally used is differential pressure type level gauge, liquid level emasuring device comprises liquid level gauge, liquid phase pipeline and gas phase pipeline, liquid phase pipeline and gas phase pipeline are connected in gas phase interface and the liquid phase interface of liquid level gauge, and liquid phase pipeline is external liquid phase pipeline and inner liquid phase pipeline by joint (or citing approvingly outgoing interface) boundary of drawing that is arranged on inner barrel below; The gas phase pipeline by be arranged on inner barrel top to draw the joint boundary be outside gas phase pipeline and inner gas phase pipeline.The above-mentioned joint of drawing normally is arranged on inner barrel.
For example publication number is that CN101738236A (hereinafter to be referred as document 1), denomination of invention are the Chinese invention patent application of " structural improvement of liquid level meter liquid phase pipeline in low-temperature tanker ", and publication number of the same name is the Chinese utility model patent application of CN201314835Y (hereinafter to be referred as document 2), the liquid phase pipeline of the liquid level emasuring device of its disclosed low-temperature tanker, it is drawn interface and is arranged on bottom shell, like this when design thickness of interlayer and manufacturing, always need to consider to draw size and the interference problem of joint, cause thickness of interlayer bigger than normal.
When adopting differential pressure type level gauge in the horizontal low temperature container of prior art simultaneously, sometimes because of factors such as the fluctuation of dielectric property, liquid, pipeline fluid columns, cause the liquid level gauge reading can not accurately reflect the situation of container inner medium, the technical scheme of disclosed utility model in the disclosed invention of document 1 and document 2 for example, the end of liquid phase pipeline is caused the inner barrel middle part, the liquid level gauge reading can be less than normal when angled when cylindrical shell longitudinal centre line and level, causes the inaccurate of reading.
Summary of the invention
The less liquid level emasuring device that be used for horizontal low temperature container of purpose of the present invention for providing a kind of thickness that can make vacuum interlayer to do makes horizontal low temperature container thickness of interlayer technical matters bigger than normal with the pipeline structure that solves the prior art liquid level emasuring device.
The present invention also aims to provide a kind of reading to be used for more accurately the liquid level emasuring device of horizontal low temperature container, to solve the inaccurate technical matters of liquid level emasuring device level readings that is used for the horizontal low temperature container of prior art.
The present invention also aims to provide a kind of horizontal low temperature container with liquid level emasuring device of the present invention.
For achieving the above object, technical scheme of the present invention is as follows:
. a kind of liquid level emasuring device, be used for the horizontal low temperature container, described liquid level emasuring device comprises liquid phase pipeline and gas phase pipeline, it is external liquid phase pipeline and inner liquid phase pipeline that described liquid phase pipeline is drawn the joint boundary by first; It is outside gas phase pipeline and inner gas phase pipeline that described gas phase pipeline is drawn the joint boundary by second, described first draws the position of close minimum point that joint is arranged on the vertical center line of inner bag rear head of described horizontal low temperature container, and described second draws the position of close minimum point that joint is arranged on the vertical center line of inner bag rear head of described horizontal low temperature container.
Horizontal low temperature container of the present invention has liquid level emasuring device of the present invention.
Beneficial effect of the present invention is, horizontal low temperature container of the present invention, the joint of drawing of the gas phase pipeline of its liquid level emasuring device, liquid phase pipeline is arranged on the highs and lows of the close vertical center line of inner bag rear head respectively, make and draw the thickness that joint does not have influence on interlayer, and the impact when having avoided drawing joint when product is made inner and outer shell being set with, so just can make less that vacuum interlayer thickness does, be conducive to increase the volume of horizontal low temperature container.Simultaneously with drawing the inside liquid phase pipeline that joint is connected, one section sealing gland pipe is being set, the sealing gland pipe mouth of pipe is arranged near bottom the inner barrel of inner bag rear head; With drawing the external liquid phase BOP that joint is connected, one section slightly acclivitous U-shaped gasification section, one section coil pipe near the bottom are set, make when reading level readings, can not produce fluid column pressure in pipeline, the reading of gained can be more accurate.
Description of drawings
Fig. 1 is the liquid phase pipeline of liquid level emasuring device of the embodiment of the present invention and the schematic side view of gas phase pipeline.
Fig. 2 is the liquid phase pipeline of liquid level emasuring device of the embodiment of the present invention and the schematic perspective view of gas phase pipeline.
Fig. 3 is that the liquid phase pipeline of liquid level emasuring device of the embodiment of the present invention and the master of gas phase pipeline look schematic diagram.
Embodiment
The exemplary embodiments that embodies feature ﹠ benefits of the present invention will be described in detail in the following description.Be understood that the present invention can have various variations on different embodiment, its neither departing from the scope of the present invention, and explanation wherein and accompanying drawing be when the use that explain in itself, but not in order to limit the present invention.
The horizontal low temperature container of the embodiment of the present invention, the liquid level emasuring device with embodiment of the present invention.The horizontal low temperature container of the embodiment of the present invention can be fixing basin, can be also the basin on tank car and tank container, or the basin in other transportations and the equipment of storing liquefied gas at low temp.
horizontal low temperature container of the present invention, as shown in Figure 1, the double cylinder-shaped structure that employing is made of inner bag and shell, interlayer between inner bag and shell, inner bag also can be described as inner pressurd vessel, inner bag comprises inner barrel (or claiming interior straight barrel) 6, inner bag front head (not shown) and inner bag rear head 4, shell comprises outer cylinder body 5, shell front head (not shown) and shell rear head 3, the external liquid phase of the liquid level emasuring device of the embodiment of the present invention, the gas phase pipeline is arranged on inner bag rear head 4, and draw from shell rear head 3, and inner liquid phase, the gas phase pipeline is arranged in inner bag.
In this instructions indication inside and outside, to be as the criterion inside and outside the horizontal low temperature container.And an end to the horizontal low temperature container outside extending to an end of inner bag direction as entering end, and extends for going out to hold in the going out end and enter end of each pipeline of liquid level emasuring device.
The liquid level emasuring device of the embodiment of the present invention, comprise liquid level gauge, liquid phase pipeline and gas phase pipeline, liquid phase pipeline and gas phase pipeline are connected in gas phase interface and the liquid phase interface of liquid level gauge, wherein, liquid phase pipeline comprises connected successively the initial segment 10, downward-extension section 11, coil pipe 12, U-shaped gasification section 13, draws joint 14, sealing gland pipe 15 and pipe clamp 16, wherein, the initial segment 10, extension 11, coil pipe 12 and U-shaped gasification section 13 consist of the external liquid phase pipeline, and sealing gland pipe 15 belongs to inner liquid phase pipeline.The gas phase pipeline comprises the initial segment 20, transition section 21, coil pipe 22, tilting section 23, upper extension 24, draws joint 25 and horizontal-extending section 26.Wherein, the initial segment 20, transition section 21, coil pipe 22, tilting section 23 and upper extension 24 consist of outside gas phase pipeline, and horizontal-extending section 26 belongs to inner gas phase pipeline.
As shown in Figure 1, draw the position that joint 25 is arranged on the close peak of the vertical center line y of inner bag rear head 4, and draw the position that joint 14 is arranged on the close minimum point of the vertical center line y of inner bag rear head 4.as shown in Figure 2, inner bag rear head 4 is dished (torispherical) head, inner bag rear head 4 comprises spherical crown section 41 and transition part 40, wherein, spherical crown section 41 as b point in Fig. 1 to the c point, the cross section of transition part 40 is to b point and e point and the described circular arc of c point as the point of a in Fig. 1, the center of circle of circular arc is on the straight line that an a and some e are linked to be, respectively take a point and e point as radian 0 point, in the situation that the shape of transition part is determined, for example the radius of inner barrel is about 2350mm, the radius of spherical crown section is 1945mm, when the radius of the cross section circular arc of transition part is 270mm, total radian of transition part is 58 degree, draw joint 15, 24 can be arranged on 20 degree to 45 degree places, preferably, be arranged on the approximate midpoint place of transition part, also i.e. 30 degree places.But liquid level emasuring device of the present invention also is applicable to inner bag rear head 4 and is the horizontal low temperature container of ellipsoidal head.
The liquid level emasuring device of the embodiment of the present invention, draw joint 14,25 and be arranged on the highs and lows of the vertical center line y of close inner bag rear head 4 respectively, make and draw the thickness that joint 14,25 setting do not have influence on interlayer, and the impact when having avoided drawing joint when product is made inner and outer shell being set with, so just can make less that the thickness of vacuum interlayer does, be conducive to increase the volume of horizontal low temperature container.
The below introduces each section of liquid phase pipeline again.
As shown in Figure 1-Figure 3, the horizontally extending the initial segment 10 of inner liquid phase pipeline is drawn from shell rear head 3, the initial segment 10 go out the liquid phase interface that end is connected in liquid level emasuring device, the initial segment 10 departs from vertical center line y one segment distance of horizontal low temperature container in the horizontal direction, in vertical direction, horizontal center line x one segment distance that also departs from the horizontal low temperature container, the end that enters of initial segment 10 connects downward-extension section 11.
The end that goes out of downward-extension section 11 connects initial segment 10, enters end and is connected with coil pipe 12, and downward-extension section 11 is close to the vertical center line y of inner bag rear head 4 in the horizontal direction.
As shown in Figure 2, U-shaped gasification section 13 is arranged on draws between joint 14 and coil pipe 12, as shown in Figure 3, and can the be inclined upwardly height of half caliber to a caliber of U-shaped gasification section 13.The effect of U-shaped gasification section 13 is to coordinate with coil pipe 12, makes when reading the liquid level gauge reading, can not produce fluid column pressure in pipeline, and the reading of gained can be more accurate.
As shown in Figure 1, upwards the sealing gland pipe 15 of bending is arranged on and draws between joint 14 and pipe clamp 16, and the effect of sealing gland pipe 15 is to prevent that gas from entering that sealing gland pipe 15 goes out to hold the liquid phase pipeline that connects and the reading that affects liquid level gauge.The liquid level emasuring device of the embodiment of the present invention, its inner liquid phase pipeline only need extend into the position of the close inner bag rear head 4 of inner barrel 6, can react accurately the pressure of liquid in inner bag, when inner barrel 6 longitudinal centre line z and level when angled, the liquid level emasuring device reading can be not less than normal again, and reading accuracy improves.
The below introduces each section of gas phase pipeline again.
As shown in Figure 1-Figure 3, the horizontally extending the initial segment 20 of inner gas phase pipeline is drawn from shell rear head 3, the end that goes out of the initial segment 20 is connected with the gas phase interface of liquid level emasuring device, the initial segment 20 departs from vertical center line y one segment distance of horizontal low temperature container in horizontal process, also off-set from horizontal centerline x one end distance, the end that enters of initial segment 20 connects transition section 21.
The end that goes out of transition section 21 connects initial segment 20, enters end and is connected with coil pipe 22, and transition section 21 is to extend upward in the direction parallel with the vertical center line y of inner bag rear head 4.
As shown in Figure 1, the gas phase pipeline of the liquid level emasuring device of the embodiment of the present invention comprises and the horizontal extension pipe 26 of drawing joint 25 and being connected, horizontal extension pipe 26 enter the backward upper extension in middle part that end extends to inner barrel 6, the mouth of pipe of horizontal extension pipe 26 is near the middle part peak of inner barrel 6, to react accurately the gaseous tension in inner bag.
Technical scheme of the present invention is disclosed as above by preferred embodiment.Those skilled in the art should recognize in the situation that do not break away from change and the retouching that scope and spirit of the present invention that the appended claim of the present invention discloses are done, within all belonging to the protection domain of claim of the present invention.
Claims (10)
1. a liquid level emasuring device, be used for the horizontal low temperature container, and described liquid level emasuring device comprises liquid phase pipeline and gas phase pipeline, and it is external liquid phase pipeline and inner liquid phase pipeline that described liquid phase pipeline is drawn the joint boundary by first; It is outside gas phase pipeline and inner gas phase pipeline that described gas phase pipeline is drawn the joint boundary by second, it is characterized in that, described first draws the position of close minimum point that joint is arranged on the vertical center line of inner bag rear head of described horizontal low temperature container, and described second draws the position of close minimum point that joint is arranged on the vertical center line of inner bag rear head of described horizontal low temperature container.
2. liquid level emasuring device as claimed in claim 1, it is characterized in that: described inner gas phase pipeline comprises with described second draws the horizontal extension pipe that joint is connected, and the end of described horizontal extension pipe extends to the middle part of inner barrel of described horizontal low temperature container and extends to position near the middle part peak of described inner barrel on backward.
3. liquid level emasuring device as claimed in claim 2, is characterized in that, described inner liquid phase pipeline extends to the position of the close inner bag rear head of described inner barrel, and the end that enters of described inner liquid phase pipeline is provided with pipe clamp.
4. liquid level emasuring device as claimed in claim 3, is characterized in that, close described first position of drawing joint of described external liquid phase pipeline is provided with the U-shaped gasification section.
5. liquid level emasuring device as claimed in claim 4, is characterized in that, the be inclined upwardly height of half caliber to a caliber of described U-shaped gasification section.
6. liquid level emasuring device as claimed in claim 1, is characterized in that, the close described first position of drawing joint of described inner liquid phase pipeline is a sealing gland pipe that upwards bends.
7. liquid level emasuring device as claimed in claim 4, is characterized in that, the end that goes out of described U-shaped gasification section is connected with a coil pipe.
8. horizontal low temperature tank fill level measurement mechanism as claimed in claim 7, it is characterized in that, described inner bag rear head is dished (torispherical) head, described dished (torispherical) head comprises spherical crown section and transition part, the radian of described transition part is 58 degree, and described first draws joint and second draws joint and be arranged on 20 degree of described transition part to 45 degree places.
9. horizontal low temperature tank fill level measurement mechanism as claimed in claim 7, is characterized in that, described first draws joint and second draws the 30 degree places that joint is arranged on described transition part.
10. a horizontal low temperature container, is characterized in that, described horizontal low temperature container has the arbitrary described liquid level emasuring device of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110401236.2A CN103148910B (en) | 2011-12-06 | 2011-12-06 | Horizontal low temperature container and liquid level measurement device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110401236.2A CN103148910B (en) | 2011-12-06 | 2011-12-06 | Horizontal low temperature container and liquid level measurement device thereof |
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| CN103148910A true CN103148910A (en) | 2013-06-12 |
| CN103148910B CN103148910B (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110401236.2A Active CN103148910B (en) | 2011-12-06 | 2011-12-06 | Horizontal low temperature container and liquid level measurement device thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641691A (en) * | 2015-10-29 | 2017-05-10 | 中国国际海运集装箱(集团)股份有限公司 | Skid-mounted LNG storage tank and skid-mounted LNG filling station equipped with skid-mounted LNG storage tank |
| 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 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0712617A (en) * | 1993-06-28 | 1995-01-17 | Kawasaki Steel Corp | Measuring method for liquid volume in tank |
| CN2299219Y (en) * | 1997-08-08 | 1998-12-02 | 常州飞机制造厂 | River ship-loaded L. P. G storage tank |
| US6571624B1 (en) * | 2001-12-03 | 2003-06-03 | The Boeing Company | Low gravity liquid level sensor rake |
| CN201306167Y (en) * | 2008-12-03 | 2009-09-09 | 湖北江汉石油仪器仪表有限公司 | Multiphase flow metering system |
| CN101738236A (en) * | 2008-11-17 | 2010-06-16 | 张家港韩中深冷科技有限公司 | Improved structure of liquid level meter liquid phase pipeline in low-temperature tanker |
| CN101734446A (en) * | 2008-11-17 | 2010-06-16 | 张家港韩中深冷科技有限公司 | Pipeline in low-temperature tank container |
| CN102147049A (en) * | 2011-01-17 | 2011-08-10 | 丁雨福 | Horizontal low-temperature insulating air cylinder and vehicle power system taking gas as power source |
| CN201992331U (en) * | 2011-01-17 | 2011-09-28 | 丁雨福 | Vertical low-temperature heat-insulating gas cylinder |
-
2011
- 2011-12-06 CN CN201110401236.2A patent/CN103148910B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0712617A (en) * | 1993-06-28 | 1995-01-17 | Kawasaki Steel Corp | Measuring method for liquid volume in tank |
| CN2299219Y (en) * | 1997-08-08 | 1998-12-02 | 常州飞机制造厂 | River ship-loaded L. P. G storage tank |
| US6571624B1 (en) * | 2001-12-03 | 2003-06-03 | The Boeing Company | Low gravity liquid level sensor rake |
| CN101738236A (en) * | 2008-11-17 | 2010-06-16 | 张家港韩中深冷科技有限公司 | Improved structure of liquid level meter liquid phase pipeline in low-temperature tanker |
| CN101734446A (en) * | 2008-11-17 | 2010-06-16 | 张家港韩中深冷科技有限公司 | Pipeline in low-temperature tank container |
| CN201306167Y (en) * | 2008-12-03 | 2009-09-09 | 湖北江汉石油仪器仪表有限公司 | Multiphase flow metering system |
| CN102147049A (en) * | 2011-01-17 | 2011-08-10 | 丁雨福 | Horizontal low-temperature insulating air cylinder and vehicle power system taking gas as power source |
| CN201992331U (en) * | 2011-01-17 | 2011-09-28 | 丁雨福 | Vertical low-temperature heat-insulating gas cylinder |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641691A (en) * | 2015-10-29 | 2017-05-10 | 中国国际海运集装箱(集团)股份有限公司 | Skid-mounted LNG storage tank and skid-mounted LNG filling station equipped with skid-mounted LNG storage tank |
| 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 |
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| CN103148910B (en) | 2017-11-28 |
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Address after: 215632, Jiangsu, Suzhou, Zhangjiagang Town, Nansha port West Middle Road Co-patentee after: China International Maritime Container (Group) Co., Ltd. Patentee after: Zhangjiagang Zhongji Sanctum Low-Temperature Equipment Co., Ltd. Address before: 215632 Xiangshan South Road, Jingang town, Yangzhou, Jiangsu, Zhangjiagang Co-patentee before: China International Maritime Container (Group) Co., Ltd. Patentee before: Zhangjiagang Zhongji Sanctum Low-Temperature Equipment Co., Ltd. |
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