CN106986114B - Low-temperature horizontal storage tank - Google Patents
Low-temperature horizontal storage tank Download PDFInfo
- Publication number
- CN106986114B CN106986114B CN201610040765.7A CN201610040765A CN106986114B CN 106986114 B CN106986114 B CN 106986114B CN 201610040765 A CN201610040765 A CN 201610040765A CN 106986114 B CN106986114 B CN 106986114B
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- shell
- storage tank
- straight pipe
- inner container
- horizontal storage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
Abstract
The invention provides a low-temperature horizontal storage tank which comprises a tank body, wherein the tank body comprises a shell and an inner container arranged in the shell, the inner container is connected with the shell through a support, one end of the inner container is a fixed end fixed relative to the shell, the other end of the inner container is a sliding end capable of sliding relative to the shell, a mounting seat used for mounting a detection device is arranged at the top of the tank body and close to the fixed end of the inner container, a first opening is formed in the position of the inner container close to the fixed end, and a second opening is formed in the position of the shell opposite to the first opening. The mount pad includes: the displacement compensation structure comprises a straight pipe, a flange and a displacement compensation structure, wherein one end of the straight pipe is fixed at the first opening position and communicated with the liner, and the other end of the straight pipe extends out of the shell through the second opening; the flange is fixed at one end of the straight pipe extending out of the shell; the displacement compensation structure is sleeved outside the straight pipe, one end of the displacement compensation structure is fixedly connected with the outer wall of the shell, and the other end of the displacement compensation structure is fixedly connected with the flange. The displacement compensation structure is used for carrying out displacement compensation on the straight pipe, so that accurate measurement is ensured, and the safety of the storage tank is ensured.
Description
Technical Field
The invention relates to the field of low-temperature storage tanks, in particular to a mounting structure of a low-temperature horizontal storage tank detection device.
Background
A structure of a liquid level measuring and temperature detecting device is arranged on a low-temperature horizontal storage tank (which is provided with an inner container and a shell, the medium contained in the inner container is a cryogenic medium),
at present, liquid level measuring and temperature detecting devices are frequently used on single-layer storage tanks, generally, the single-layer storage tanks filled with cryogenic media can be directly inserted into the storage tanks by welding a joint at the top of the storage tanks; after the installation, the storage tank outer wall wraps one deck foaming heat preservation, and whole installation is simple, and measurement accuracy is high, and the storage tank fills into and drives liquid level measurement and temperature-detecting device when contracting after the liquid and also can not arouse other destructive factor when contracting.
However, the low-temperature horizontal storage tank filled with the cryogenic medium comprises an inner container (made of an inner container material S30408) and an outer shell (made of an outer shell material such as Q345R, Q245R and S30408), wherein the inner container is filled with the cryogenic medium, two saddles are arranged at two ends of the storage tank, one saddle is arranged at a fixed end, the other saddle is arranged at a sliding end, after the inner container of the storage tank is filled with the cryogenic medium, due to the fact that a plate material has cold contraction after being cooled, the inner container at the sliding end can shrink towards the fixed end, the outer shell is always in an immobile state, at the moment, because the liquid level measuring and temperature detecting device can only be vertically arranged, and a waveguide tube is vertically inserted into the inner container, when the inner container of the storage tank shrinks towards the fixed end, the liquid level measuring and temperature detecting device can be driven to move together, and an interlayer inner pipeline is vertically arranged without any flexible compensation, a welding seam between the liquid level measuring, even the joint of the inner container cracks and other problems. Therefore, the double-layer low-temperature horizontal storage tank has no use experience due to factors such as installation problems and the like; for a common low-temperature horizontal storage tank, a differential pressure type liquid level meter is adopted in the past, but a sampling system of the differential pressure type liquid level meter is complex, a connecting pipeline is long, a plurality of valves are arranged, the differential pressure type liquid level meter is easy to block or leak, the measurement is seriously influenced by slight leakage due to the fact that a transmitter senses micro differential pressure, and the slight leakage is not easy to detect for a vacuum system; the comprehensive error of measurement is large, the precision of measuring the micro-differential pressure by the transmitter is limited, and the factors of instability of a liquid column in a sampling pipeline and the like cause the comprehensive error of actual measurement to be large.
Disclosure of Invention
In order to solve the technical problems, the invention provides a low-temperature horizontal storage tank to solve the problems that a detection device is easy to damage due to shrinkage of an inner container in the prior art and the like.
Aiming at the technical problem, the invention provides a low-temperature horizontal storage tank which comprises a tank body, wherein the tank body comprises a shell and an inner container arranged in the shell, the inner container is connected with the shell through a support, one end of the inner container is a fixed end fixed relative to the shell, the other end of the inner container is a sliding end capable of sliding relative to the shell, a mounting seat used for mounting a detection device is arranged at the top of the tank body and at a position close to the fixed end of the inner container, a first opening is formed at a position of the inner container close to the fixed end, and a second opening is formed at a position of the shell opposite to the first opening; the mount pad includes: straight tube, flange and displacement compensation structure. One end of the straight pipe is fixed at the first opening position and communicated with the inner container, and the other end of the straight pipe extends out of the shell through the second opening; the flange is fixed at one end of the straight pipe extending out of the shell; the displacement compensation structure is sleeved outside the straight pipe, one end of the displacement compensation structure is fixedly connected with the outer wall of the shell, and the other end of the displacement compensation structure is fixedly connected with the flange.
In a preferred embodiment, the displacement compensation structure is a bellows.
In a preferred scheme, the displacement compensation structure is a sleeve-shaped end socket assembly.
In a preferable scheme, the seal head assembly comprises a first cylinder section, a second cylinder section and a third cylinder section located between the first cylinder section and the second cylinder section, wherein the aperture of the first cylinder section is larger than that of the second cylinder section, and the aperture of the third cylinder section is reduced from one end close to the first cylinder section to one end far away from the first cylinder section; the first shell ring is connected with the shell, and the second shell ring is connected with the flange.
In a preferred scheme, the third cylinder section is in a frustum shape.
In a preferable scheme, the aperture of the second opening is larger than the outer diameter of the straight pipe, so that a gap is formed between the straight pipe and the second opening, and the outer wall of the straight pipe is wrapped by a flexible heat-insulating material.
In a preferred scheme, the flexible heat-insulating material is aluminum foil paper and glass fiber paper, and the aluminum foil paper and the glass fiber paper are wound on the outer wall of the straight pipe.
In a preferred scheme, a joint is arranged at a first opening of the inner container, and the straight pipe is fixedly connected with the inner container through the joint.
In a preferred scheme, a flange is arranged on the detection device and is connected with the flange on the mounting seat through the flange.
In a preferred scheme, the detection device comprises a waveguide tube, and the waveguide tube extends into the inner container along the straight tube.
In a preferred embodiment, the detection device is a liquid level detection device and/or a temperature detection device.
According to the technical scheme, the invention has the advantages and positive effects that: the position where the detection device is installed is close to the fixed end of the inner container, and the relative contraction displacement is small; meanwhile, the straight pipe can be subjected to displacement compensation through a displacement compensation structure (such as a corrugated pipe and a conical end socket assembly) on the mounting seat, so that the problems that the detection device is cracked due to shrinkage of the inner container, the inner container is leaked due to cracking of the joint of the inner container, vacuum is lost in an interlayer between the inner container and the shell and the like are solved, the conditions of liquid level and temperature in the tank are accurately measured, and the safety of the low-temperature horizontal storage tank is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
The reference numerals are explained below: 1. a detection device; 11. a waveguide tube; 2. a housing; 21. a second opening; 3. an inner container; 31. a first opening; 32. a joint; 41. a straight pipe; 42. a flange; 43. a bellows; 44. a head assembly; 441. a first shell ring; 442. a second shell ring; 443. and a third shell ring.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.
The structure, function and principle of the cryogenic horizontal storage tank of the present invention will be described in detail with reference to a preferred embodiment.
Example one
Referring to fig. 1, the low-temperature horizontal storage tank of the present embodiment includes a tank body and a mounting seat, and the mounting seat is used for mounting the detection device 1.
The detection device 1 may be a liquid level detection device, a temperature detection device, or a combination thereof.
The jar body includes: the outer casing 2 with adorn the inner bag 3 in the outer casing 2, the inner bag 3 links to each other with outer casing 2 through supporting, wherein, the one end of inner bag 3 is for the stiff end that outer casing 2 is fixed, the other end is for can be for the gliding end of outer casing 2, the mount pad setting is at the top of the jar body and near the position of inner bag 3 stiff end, first trompil 31 is seted up to the position that inner bag 3 is close to the stiff end, second trompil 21 is just seted up to the position of first trompil 31 to outer casing 2. A joint 32 is provided at a first opening 31 of the inner container 3.
In this embodiment, the mounting seat should be located as close to the fixed end of the inner container 3 as possible, so that the mounting seat is installed to minimize the displacement of the inner container 3 when the inner container 3 is contracted after the cryogenic medium is filled into the inner container 3.
The mount pad includes: a straight tube 41, a flange 42 and a displacement compensation structure, which in this embodiment is a bellows 43. One end of the straight pipe 41 is fixed at the position of the first opening 31 and is communicated with the inner container 3, and the straight pipe 41 is fixedly connected with the inner container 3 through the joint 32; the other end extends out of the housing 2 through the second opening 21. A flange 42 is fixed to the end of the straight tube 41 extending out of the housing 2. The corrugated pipe 43 is sleeved outside the straight pipe 41, one end of the corrugated pipe 43 is fixedly connected with the outer wall of the shell 2, and the other end of the corrugated pipe 43 is fixedly connected with the flange 42.
The diameter of the second opening 21 is larger than the outer diameter of the straight pipe 41 so that there is a gap between the straight pipe 41 and the second opening 21.
The outer wall of the straight tube 41 is wrapped with a flexible thermal insulation material, which in this embodiment is aluminum foil paper and glass fiber paper. Preferably, the aluminum foil paper and the glass fiber paper are wound on the outer wall of the straight pipe 41, so that heat leakage of the straight pipe 41 is effectively reduced.
The detection apparatus 1 includes a waveguide 11. The waveguide tube 11 of the detection device 1 extends into the inner container 3 through the straight tube 41 through the open hole of the flange 42, and the detection device 1 is provided with a flange and is connected with the flange 42 on the mounting seat through the flange.
After the inner container of the low-temperature horizontal storage tank is filled with the cryogenic medium, the inner container gradually shrinks from the sliding end to the fixed end, so that the detection device is driven to shrink together, but the detection device of the embodiment is installed at a position close to the fixed end of the inner container, so that the shrinkage displacement is small, in addition, the corrugated pipe on the installation seat of the detection device can compensate the displacement of the straight pipe, the problems that the detection device cracks due to the shrinkage of the inner container, the inner container leaks due to the cracking of the joint of the inner container, the vacuum of an interlayer between the inner container and the shell is lost and the like are effectively solved, the liquid level and the temperature condition in the accurate measurement tank are ensured, and the safety of the low.
Example two
Referring to fig. 2, the structure of the present embodiment is substantially the same as that of the first embodiment, except that: the displacement compensation structure in this embodiment is a sleeve-like head assembly 44.
The head assembly 44 in this embodiment is generally conical, and specifically, the head assembly 44 includes: first cylinder section 441, second cylinder section 442, and third cylinder section 443 located between first cylinder section 441 and second cylinder section 442, the aperture of first cylinder section 441 being larger than the aperture of second cylinder section 442; third cylinder section 443 is frustum-shaped, and the aperture of third cylinder section 443 decreases from the end close to first cylinder section 441 to the end far from first cylinder section 441. First shell segment 441 is connected to housing 2 and second shell segment 442 is connected to flange 42. When the inner container 3 contracts to generate displacement, the end socket assembly 44 is chamfered at the third cylindrical section 443, so that stress concentration caused by contraction of the inner container 3 can be avoided, and the purpose of performing displacement compensation on the straight pipe 41 is achieved.
While the present invention has been described with reference to the above exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (11)
1. A low-temperature horizontal storage tank comprises a tank body, wherein the tank body comprises a shell and an inner container arranged in the shell, the inner container is connected with the shell through a support, one end of the inner container is a fixed end fixed relative to the shell, and the other end of the inner container is a sliding end capable of sliding relative to the shell; the mount pad includes:
one end of the straight pipe is fixed at the first opening position and communicated with the liner, and the other end of the straight pipe extends out of the shell through the second opening;
the flange is fixed at one end of the straight pipe, which extends out of the shell;
and the displacement compensation structure is sleeved outside the straight pipe, one end of the displacement compensation structure is fixedly connected with the outer wall of the shell, and the other end of the displacement compensation structure is fixedly connected with the flange.
2. The cryogenic horizontal storage tank of claim 1 wherein the displacement compensating structure is a bellows.
3. The cryogenic horizontal storage tank of claim 1 wherein the displacement compensating structure is a sleeve-like head assembly.
4. The cryogenic horizontal storage tank of claim 3 wherein the head assembly comprises a first shell ring, a second shell ring, and a third shell ring positioned between the first shell ring and the second shell ring, the first shell ring having a larger bore diameter than the second shell ring, the third shell ring having a bore diameter that decreases from an end proximal to the first shell ring to an end distal to the first shell ring; the first shell ring is connected with the shell, and the second shell ring is connected with the flange.
5. The cryogenic horizontal storage tank of claim 4 wherein the third shell section is frustoconical.
6. The cryogenic horizontal storage tank of claim 1, wherein the diameter of the second opening is larger than the outer diameter of the straight pipe, so that a gap is formed between the straight pipe and the second opening, and the outer wall of the straight pipe is wrapped with a flexible thermal insulation material.
7. The cryogenic horizontal storage tank of claim 6, wherein the flexible thermal insulation material is aluminum foil paper and glass fiber paper, and the aluminum foil paper and the glass fiber paper are wound on the outer wall of the straight pipe.
8. The low-temperature horizontal storage tank according to claim 1, wherein a joint is arranged at the first opening of the inner tank, and the straight pipe is fixedly connected with the inner tank through the joint.
9. The cryogenic horizontal storage tank of claim 1 wherein the sensing device is provided with a flange and is connected to the flange on the mounting block via the flange.
10. The low-temperature horizontal storage tank according to claim 1, wherein the detection device comprises a waveguide tube extending into the inner tank along the straight tube.
11. The cryogenic horizontal storage tank of claim 1, wherein the detection device is a liquid level detection device and/or a temperature detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610040765.7A CN106986114B (en) | 2016-01-21 | 2016-01-21 | Low-temperature horizontal storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610040765.7A CN106986114B (en) | 2016-01-21 | 2016-01-21 | Low-temperature horizontal storage tank |
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| Publication Number | Publication Date |
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| CN106986114A CN106986114A (en) | 2017-07-28 |
| CN106986114B true CN106986114B (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610040765.7A Active CN106986114B (en) | 2016-01-21 | 2016-01-21 | Low-temperature horizontal storage tank |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317881A (en) * | 2018-03-16 | 2018-07-24 | 北京京诚科林环保科技有限公司 | A kind of spherical steam accumulator with waveguide pipe guiding mechanism |
| CN111306442B (en) * | 2018-12-12 | 2022-02-01 | 张家港中集圣达因低温装备有限公司 | Low-temperature storage tank |
| CN113154256B (en) * | 2021-04-12 | 2022-07-19 | 合肥通用机械研究院有限公司 | Support arrangement for low temperature storage tank pump well pipe |
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| US5163297A (en) * | 1991-01-15 | 1992-11-17 | Iwatani International Corporation | Device for preventing evaporation of liquefied gas in a liquefied gas reservoir |
| CN102639412A (en) * | 2010-02-09 | 2012-08-15 | 鲁奇有限责任公司 | Support arrangement for an inner component |
| CN203413257U (en) * | 2013-08-19 | 2014-01-29 | 金龙精密铜管集团股份有限公司 | Metal diameter-variable connecting pipe |
| CN103672401A (en) * | 2013-12-31 | 2014-03-26 | 常州博朗低温设备有限公司 | Supporting structure of low-temperature liquid heat-insulating tank container |
| CN204176325U (en) * | 2014-10-10 | 2015-02-25 | 南通中集罐式储运设备制造有限公司 | Filling storage tank system peculiar to vessel and have this storage tank system LNG annotate landing stage |
| CN204387669U (en) * | 2014-12-10 | 2015-06-10 | 张家港中集圣达因低温装备有限公司 | Liquefied natural gas (LNG) tank peculiar to vessel |
| CN205327889U (en) * | 2016-01-21 | 2016-06-22 | 张家港中集圣达因低温装备有限公司 | Low temperature horizontal tank |
-
2016
- 2016-01-21 CN CN201610040765.7A patent/CN106986114B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5163297A (en) * | 1991-01-15 | 1992-11-17 | Iwatani International Corporation | Device for preventing evaporation of liquefied gas in a liquefied gas reservoir |
| CN102639412A (en) * | 2010-02-09 | 2012-08-15 | 鲁奇有限责任公司 | Support arrangement for an inner component |
| CN203413257U (en) * | 2013-08-19 | 2014-01-29 | 金龙精密铜管集团股份有限公司 | Metal diameter-variable connecting pipe |
| CN103672401A (en) * | 2013-12-31 | 2014-03-26 | 常州博朗低温设备有限公司 | Supporting structure of low-temperature liquid heat-insulating tank container |
| CN204176325U (en) * | 2014-10-10 | 2015-02-25 | 南通中集罐式储运设备制造有限公司 | Filling storage tank system peculiar to vessel and have this storage tank system LNG annotate landing stage |
| CN204387669U (en) * | 2014-12-10 | 2015-06-10 | 张家港中集圣达因低温装备有限公司 | Liquefied natural gas (LNG) tank peculiar to vessel |
| CN205327889U (en) * | 2016-01-21 | 2016-06-22 | 张家港中集圣达因低温装备有限公司 | Low temperature horizontal tank |
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| CN106986114A (en) | 2017-07-28 |
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