CN102927440A - Strengthening device for outer tank of low-temperature liquid storage and transportation container - Google Patents
Strengthening device for outer tank of low-temperature liquid storage and transportation container Download PDFInfo
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- CN102927440A CN102927440A CN2012104581476A CN201210458147A CN102927440A CN 102927440 A CN102927440 A CN 102927440A CN 2012104581476 A CN2012104581476 A CN 2012104581476A CN 201210458147 A CN201210458147 A CN 201210458147A CN 102927440 A CN102927440 A CN 102927440A
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- outer tank
- stiffening ring
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- stiffening
- tank body
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Abstract
The invention relates to a strengthening device for an outer tank of a low-temperature liquid storage and transportation container. The strengthening device comprises a strengthening ring arranged inside the outer tank body, wherein the section of the strengthening ring is an un-disconnected integral ring structure. The invention provides a strengthening device for the outer tank of the low-temperature liquid storage and transportation container, which is good in resisting external pressure instability for the tank body, easy to control the roundness of the tank body and convenient to machine and manufacture.
Description
Technical field
The invention belongs to tank body safety technique field, relate to a kind of cryogenic liquide storage-transport vessel outer tank stiffening device, relate in particular to a kind of cryogenic liquide storage-transport vessel outer tank stiffening device for cryogenic liquides such as conveying liquified natural gas.
Background technique
The low-temperature (low temperature) vessel outer tank inner barrel that is used for the cryogenic liquides such as conveying liquified natural gas is provided with a large amount of stiffening rings, and these stiffening rings are used for keeping the stability of external pressure of outer tank on the one hand, prevent container unstability under the atmospheric pressure effect; Because the inner canister of low-temperature (low temperature) vessel need to be inserted in the middle of the outer tank, at this moment the stiffening ring of outer tank inner barrel layout can use as the walking track of inner canister on the other hand.This structure is used widely in the low-temperature (low temperature) vessel field, but also has some shortcomings simultaneously, and the firstth, because the part of stiffening ring disconnects, cause the ability of the opposing external pressure unstability of structure to reduce; The secondth, arranging angle steel at local off position on the outer tank cylindrical shell, because welding residual stress causes tank body at this position local inner concave, the circularity of cylindrical shell is more difficult to get guarantee, and for low-temperature (low temperature) vessel, because the cover tank gap between the interior outer tank is very little, the control of circularity is very crucial; The 3rd is how the layout of stiffening ring on the present tank body is evenly arranged in the longitudinal direction, and quantity is more, tank body weight is increased a lot, and follow-up welding and non-destructive inspection cost are also high, and the technical-economic index of product is lower.If the 4th is that because the generation of welding deformation, angle steel is " falling " easily when angle steel was adopted in the stiffening ring cross section on the present tank body, cause the opposing external pressure ability of tank body to reduce.
Summary of the invention
In order to solve the above-mentioned technical problem that exists in the background technique, the invention provides the cryogenic liquide storage-transport vessel outer tank stiffening device that a kind of tank body resisting to lose stability under external pressure ability is strong, tank body circularity is controlled easily and be convenient to manufacturing.
Technical solution of the present invention is: the invention provides a kind of cryogenic liquide storage-transport vessel outer tank stiffening device, comprise the stiffening ring that is arranged on outer tank body inside, its special way is: the cross section of described stiffening ring is the whole coil structures of non-disconnection.
Above-mentioned stiffening ring is in the inner uniform setting of right and wrong of outer tank or uniform setting.
Above-mentioned stiffening ring comprises the intensive stiffening ring that is arranged on outer tank body bosom position.
Above-mentioned stiffening ring also comprises the sparse stiffening ring that is arranged on the inner end socket of outer tank body position.
The cross section of above-mentioned stiffening ring is channel-section steel, angle steel or T bar.
When the cross section of above-mentioned stiffening ring was channel-section steel, the sidewall of described channel-section steel and bottom were provided with one or more bleeder holes, and this bleeder hole deflates when being used for interlayer vacuum-pumping between the interior outer tank, ensures heat-insulating property.
When the cross section of above-mentioned stiffening ring was angle steel, described stiffening ring also comprised the support arm that is arranged on outer tank body inside and is used for preventing the angle steel distortion.
Above-mentioned stiffening ring can be arranged on inside or the outside of outer tank, no longer is confined to original inside structure is set, and when being arranged on the outside, does not need out bleeder hole on the structure.
Advantage of the present invention is:
The invention provides a kind of cryogenic liquide storage-transport vessel outer tank stiffening device, this stiffening device adopts whole circle shaped steel, does not disconnect, and tank body resisting to lose stability under external pressure ability is obviously strong, and tank body circularity is controlled easily, the circularity variation that " breach " located can not occur again.Simultaneously, the cross section type of the stiffening ring that adopts of cryogenic liquide storage-transport vessel outer tank stiffening device can adopt the multiple patterns such as channel-section steel, angle steel, T bar.Employing prevents the local reinforcing plate structure of " dropping to " for steel angle structure.With the groove of bleeding, extract the air of channel-section steel inner sealing when being used for vacuum interlayer evacuation out on the structural type that channel-section steel is arranged.The 3rd, the present invention is set up at cloth can adopt not equidistant placement mode, also can adopt the equidistant placement mode, for the equidistant placement mode is more not sparse near the end socket place, near cylindrical shell middle part comparatively dense, take full advantage of the characteristic of container opposing external pressure unstability, i.e. the ability of close the end socket place of cylindrical shell opposing external pressure unstability is stronger, and in the middle part of the cylindrical shell a little less than.The 4th, the present invention is set up at cloth can adopt the mode that is arranged in inner barrel, also can adopt the mode that is arranged in the cylindrical shell outside, for the mode that is arranged in the cylindrical shell outside, tank interior can not occur because bad to circularity and straightness accuracy control when making, the accident that shaped steel is hung up the thermoinsulation material that twines on the inner tanks.
Description of drawings
Fig. 1 is the stiffening ring arrangement structural representation that traditional outer tank stiffening device adopts;
Fig. 2 is the schematic cross-section of the stiffening ring that adopts of traditional stiffening device;
Fig. 3 is the schematic cross-section of stiffening ring of the present invention;
Fig. 4 is the side-looking structural representation of Fig. 3.
Embodiment
Referring to Fig. 1, it is the set structural representation at stiffening ring of prior art China and foreign countries' tank interior, stiffening ring adopts equidistantly in tank interior and arranges, each stiffening ring is local the disconnection all, the angle steel of arranging two vertical elongated degree at the off position place is the track use during with outer tank cover tank as inner canister, this structure angle quantity is more, for example a kind of inner tank wall is arranged 80 road angle steel nearly, one of spacing mm more than 100, on the one hand from great, welding and non-destructive inspection cost are high in addition, waste time and energy, and cost is high.
Referring to Fig. 2, it is the schematic cross-section of the stiffening ring that adopts of traditional stiffening device, owing to need the cover tank, this stiffening ring is the disconnection shape or is provided with opening on top, tank body stable low, in the release of off position owing to welding residual stress, tank body shrinks at local dent simultaneously, and tank body circularity is wayward.
Referring to Fig. 3 and Fig. 4, the invention provides a kind of cryogenic liquide storage-transport vessel outer tank stiffening device, this stiffening device comprises the stiffening ring that is arranged on outer tank body inside, the cross section of stiffening ring is the whole coil structures of non-disconnection.When outer tank and inner canister suit, for outer tank stiffening ring interior arrangement structure, by walking dolly and a plurality of dolly Mobile tool are set in the outer tank inner barrel, inner canister one end is supported on the travelling car, and the other end is sling with overhead traveling crane, lays by the front and back of dolly Mobile tool, movable rail is provided for the movement of dolly, match with the overhead traveling crane of the other end, so that car wheel moves in movable rail, drive the inner tanks cover and install in the middle of the outer pot body.
Under foregoing structure, stiffening ring of the present invention is in the inner uniform setting of right and wrong of outer tank or uniform setting, the sparse stiffening ring that comprises the intensive stiffening ring that is arranged on outer tank body bosom position and be arranged on the inner end socket of outer tank body position.Be set to the stability that any form can both effectively strengthen tank body, if dual mode all is arranged on same tank interior, stability is obvious undoubtedly.
Above-mentioned any specific implementation no matter, the cross section of stiffening ring of the present invention can be any section bar in channel-section steel, angle steel, T bar or other cross section.
When the cross section of stiffening ring was channel-section steel, the free end of channel-section steel welded or is riveted on outer tank body inwall, simultaneously, is provided with one or more bleeder holes in sidewall and the bottom of channel-section steel, extracted the air of channel-section steel inner sealing when being used for vacuum interlayer evacuation out.
When the cross section of stiffening ring was angle steel, stiffening ring also comprised the support arm that is arranged on outer tank body inside and is used for preventing the angle steel distortion; Can be provided with the slit between support arm and the angle steel, purpose is the same with bleeder hole on the channel-section steel, extracts the air of channel-section steel inner sealing during all for vacuum interlayer evacuation out.
Equally, support arm and angle steel can directly seal and form U-shaped steel (namely directly being welded together to form channel-section steel), and the sidewall of U-shaped steel or bottom are provided with one or more bleeder holes.
Claims (8)
1. a cryogenic liquide storage-transport vessel outer tank stiffening device comprises the stiffening ring that is arranged on the outer tank body, it is characterized in that: the cross section of described stiffening ring is the whole coil structures of non-disconnection.
2. cryogenic liquide storage-transport vessel outer tank stiffening device according to claim 1, it is characterized in that: described stiffening ring is arranged on inside or the outside of outer tank.
3. cryogenic liquide storage-transport vessel outer tank stiffening device according to claim 2 is characterized in that: described stiffening ring is when tank is inner outside, the uniform or uniform outer tank tank interior that is arranged on of described stiffening ring right and wrong.
4. cryogenic liquide storage-transport vessel outer tank stiffening device according to claim 3, it is characterized in that: described stiffening ring comprises the intensive stiffening ring that is arranged on outer tank body bosom position.
5. cryogenic liquide storage-transport vessel outer tank stiffening device according to claim 4 is characterized in that: described stiffening ring also comprises the sparse stiffening ring that is arranged on the inner end socket of outer tank body position.
6. the described cryogenic liquide storage-transport vessel of arbitrary claim outer tank stiffening device according to claim 1-5, it is characterized in that: the cross section of described stiffening ring is channel-section steel, angle steel or T bar.
7. cryogenic liquide storage-transport vessel outer tank stiffening device according to claim 6, it is characterized in that: when the cross section of described stiffening ring was channel-section steel, the sidewall of described channel-section steel and bottom were provided with one or more bleeder holes.
8. cryogenic liquide storage-transport vessel outer tank stiffening device according to claim 7 is characterized in that: when the cross section of described stiffening ring was angle steel, described stiffening ring comprised that also to be arranged on outer tank body inner and be used for preventing the support arm of angle steel distortion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104581476A CN102927440A (en) | 2012-11-14 | 2012-11-14 | Strengthening device for outer tank of low-temperature liquid storage and transportation container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104581476A CN102927440A (en) | 2012-11-14 | 2012-11-14 | Strengthening device for outer tank of low-temperature liquid storage and transportation container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102927440A true CN102927440A (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104581476A Pending CN102927440A (en) | 2012-11-14 | 2012-11-14 | Strengthening device for outer tank of low-temperature liquid storage and transportation container |
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| CN (1) | CN102927440A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542254A (en) * | 2013-10-18 | 2014-01-29 | 西安轨道交通装备有限责任公司 | External reinforcing ring device for outer tank of low-temperature pressure container and processing method |
| CN110375191A (en) * | 2019-05-27 | 2019-10-25 | 新兴能源装备股份有限公司 | A kind of horizontal low temperature storage tank double shell fitting method |
Citations (9)
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| DE2543729A1 (en) * | 1975-10-01 | 1977-04-07 | Westerwaelder Eisen Gerhard | Container for pressurised liquid - has supports inside rectangular framework with banded reinforcement |
| EP0718215A1 (en) * | 1994-07-06 | 1996-06-26 | Daido Co., Ltd. | Double wall underground tank structure using composite material and method of manufacturing the same |
| CN2347926Y (en) * | 1998-09-02 | 1999-11-10 | 苏士欣 | Liquid tank type container |
| JP2000053183A (en) * | 1998-08-05 | 2000-02-22 | Fuji Kako Kk | Fiber reinforced plastic container having suspender and production thereof |
| CN201277438Y (en) * | 2008-09-10 | 2009-07-22 | 西安轨道交通装备有限责任公司 | Tank of low pressure liquefied gas tank truck |
| CN201367202Y (en) * | 2009-03-05 | 2009-12-23 | 沈阳铝镁设计研究院 | Direct embedded type horizontal oil tank for gas station |
| CN202449457U (en) * | 2012-02-27 | 2012-09-26 | 汪东方 | Cylinder internal part reinforcing mechanism for horizontal storage tank |
| CN202469464U (en) * | 2012-01-30 | 2012-10-03 | 荆门宏图特种飞行器制造有限公司 | Liquefied natural gas transportation tank body |
| CN202927475U (en) * | 2012-11-14 | 2013-05-08 | 西安轨道交通装备有限责任公司 | Outer tank reinforcing device of low-temperature liquid storage-transport container |
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2012
- 2012-11-14 CN CN2012104581476A patent/CN102927440A/en active Pending
Patent Citations (9)
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|---|---|---|---|---|
| DE2543729A1 (en) * | 1975-10-01 | 1977-04-07 | Westerwaelder Eisen Gerhard | Container for pressurised liquid - has supports inside rectangular framework with banded reinforcement |
| EP0718215A1 (en) * | 1994-07-06 | 1996-06-26 | Daido Co., Ltd. | Double wall underground tank structure using composite material and method of manufacturing the same |
| JP2000053183A (en) * | 1998-08-05 | 2000-02-22 | Fuji Kako Kk | Fiber reinforced plastic container having suspender and production thereof |
| CN2347926Y (en) * | 1998-09-02 | 1999-11-10 | 苏士欣 | Liquid tank type container |
| CN201277438Y (en) * | 2008-09-10 | 2009-07-22 | 西安轨道交通装备有限责任公司 | Tank of low pressure liquefied gas tank truck |
| CN201367202Y (en) * | 2009-03-05 | 2009-12-23 | 沈阳铝镁设计研究院 | Direct embedded type horizontal oil tank for gas station |
| CN202469464U (en) * | 2012-01-30 | 2012-10-03 | 荆门宏图特种飞行器制造有限公司 | Liquefied natural gas transportation tank body |
| CN202449457U (en) * | 2012-02-27 | 2012-09-26 | 汪东方 | Cylinder internal part reinforcing mechanism for horizontal storage tank |
| CN202927475U (en) * | 2012-11-14 | 2013-05-08 | 西安轨道交通装备有限责任公司 | Outer tank reinforcing device of low-temperature liquid storage-transport container |
Non-Patent Citations (1)
| Title |
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| 万里平等: "液化气体运输半挂车罐体的有限元分析及加强圈结构改进", 《化工设备与管道》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542254A (en) * | 2013-10-18 | 2014-01-29 | 西安轨道交通装备有限责任公司 | External reinforcing ring device for outer tank of low-temperature pressure container and processing method |
| CN110375191A (en) * | 2019-05-27 | 2019-10-25 | 新兴能源装备股份有限公司 | A kind of horizontal low temperature storage tank double shell fitting method |
| CN110375191B (en) * | 2019-05-27 | 2021-05-28 | 新兴能源装备股份有限公司 | Sleeving method for double cylinders of horizontal low-temperature storage tank |
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Application publication date: 20130213 |