CN2451917Y - Liquefied natural gas transport storing tank - Google Patents
Liquefied natural gas transport storing tank Download PDFInfo
- Publication number
- CN2451917Y CN2451917Y CN 00249960 CN00249960U CN2451917Y CN 2451917 Y CN2451917 Y CN 2451917Y CN 00249960 CN00249960 CN 00249960 CN 00249960 U CN00249960 U CN 00249960U CN 2451917 Y CN2451917 Y CN 2451917Y
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- Prior art keywords
- supporting
- inner bag
- shell
- steel pipe
- high vacuum
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Abstract
The utility model relates to a Liquefied natural gas transport storing tank with large capacity, which is mainly composed of an outer shell, an inner liner, a heat-insulating structure, a radical support, an axial support, and a rigid assembly. The inner liner is assembled and supported with the axial support through the radical support to be connected with the outer shell. A sandwich layer between the inner liner and the outer shell is a high vacuum chamber, and the exterior of the inner liner is wound with a high vacuum multilayer heat insulating layer. The rigid assembly is connected with a supporting steel pipe of a back supporting inner liner through a pressing nut of a heat-insulated cushion block.
Description
The utility model relates to a kind of transportation storage tank, particularly a kind of liquefied natural gas transportation storage tank belongs to refrigeration and cryogenic engineering field.
Domestic and international existing low temperature transportation storage tank, promptly store liquid oxygen, liquid nitrogen and liquid argon (etc. the low temperature transportation storage tank of working medium, generally adopt vacuum-powders insulation, heat-insulating property is lower, and adiabatic space is bigger, simultaneously owing to be subjected to the restriction of car rule, internal dimensions of the loading space is less, is generally less than 15m
3, maximum have only 30m
3The sinking of heat-insulating materials such as pearlife in use appears in vacuum-powders insulation easily, influences the heat-insulating property of storage tank.The storage tank of prior art, inner bag generally adopt cushion block or pull bar supporting structure, and this supporting type is applicable to the storage tank that volume is less, structure is comparatively complicated, in the pull bar supporting structure, pull bar radially runs through inner bag, and the complicated and weld seam of inner-tube structure is increased, the gas leakage probability increases, therefore, the low temperature transportation storage tank in the prior art, the reliability and the heat-insulating property poor-performing of transportation storage tank, unit volume Sheng liquid measure is little, causes transport economic specific property poor.
The purpose of this utility model is to overcome deficiency of the prior art, and a kind of liquefied natural gas transportation storage tank is provided.
The technical solution of the utility model is as follows: mainly be made of shell, inner bag, heat insulating construction, radial support, axially mounting, stiff member, inner bag is connected with shell with the axially mounting combination support by radial support, interlayer between inner bag and the shell is the high vacuum chamber, the inner bag outer felt is around the positive empty multilayer heat insulation layer of height, and low temperature and normal temperature getter are housed, stiff member is connected with back supporting inner bag supporting steel pipe by the clamp nut of adiabatic cushion block.
Heat insulating construction is made of high vacuum multiple layer heat insulation layer, high vacuum chamber, getter for low temperature and normal temperature getter, the high vacuum multiple layer heat insulation layer is wrapped in the internal container cylinder external body, getter for low temperature is contained in the inner bag that links to each other with the high vacuum chamber, the normal temperature getter is contained in the high vacuum multiple layer heat insulation layer outside, and the mezzanine space that the high vacuum chamber is made of inner bag and shell is pumped into high vacuum and is constituted.Radial support divides two groups of front and back, and every group four fulcrum is made of shell stiffener, supporting stationary pipes, fiberglass supporting, anti-inner bag rotating support plate; Shell stiffener, supporting stationary pipes and shell welding, anti-inner bag rotating support plate and inner bag welding, fiberglass supports an end and inserts the supporting stationary pipes, be loose fit, can move radially, the fiberglass supporting other end can move axially inner bag but can not rotate in the axial groove of anti-inner bag rotating support plate.End bearing and back end bearing before axially mounting is divided into, preceding end bearing is made of preceding supporting inner bag stiffener, preceding supporting inner bag supporting steel pipe, preceding backup insulation support ring, preceding backup insulation support ring locating ring, preceding supporting shell supporting steel pipe, preceding supporting reinforcement.Preceding supporting inner bag supporting steel pipe is welded on inner bag front head outside by preceding supporting inner bag stiffener, preceding supporting shell supporting steel pipe is welded on shell front head inside, and supporting shell supported on steel pipe and the shell front head before the supporting reinforcement was welded on before having, and preceding supporting inner bag support column is bearing on the preceding supporting shell supporting steel pipe by preceding backup insulation support ring, preceding backup insulation support ring locating ring.Back end bearing is made of jack panel, adiabatic cushion block, adiabatic cushion block clamp nut, supporting pivot pin, supporting lid, back supporting shell supporting steel pipe, back supporting reinforcement in back supporting inner bag stiffener, back supporting inner bag supporting steel pipe, back backup insulation support ring locating ring, back backup insulation support ring, the adiabatic cushion block.Back supporting inner bag supporting steel pipe is welded on inner bag rear head outside by back supporting inner bag stiffener, back supporting shell supporting steel pipe is welded on shell rear head inside, and having back supporting reinforcement to be welded on back supporting shell supporting steel pipe and the shell rear head, back supporting inner bag support column is bearing on the back supporting shell supporting steel pipe by back backup insulation support ring, back backup insulation support ring locating ring.Stiff member is made of jack panel, adiabatic cushion block, adiabatic cushion block clamp nut, supporting pivot pin in the adiabatic cushion block, assembly is connected with back supporting inner bag supporting steel pipe by the screw thread of jack panel in the adiabatic cushion block, the adiabatic cushion block clamp nut of assembly and the welding of supporting lid, supporting lid and the welding of back supporting shell supporting steel pipe.Supporting structure is that an end is fixed, the radially combination support of the axial and four fulcrum anti-rotation of an end slippage, two end axles plays a major role to main supporting during operate as normal, axially mounting pipeline incoming end is fixed, but other end axial slip, two group of four fulcrum radial support plays and prevents that inner pressurd vessel from rotating and the aiding support effect simultaneously.
The high vacuum multiple layer heat insulation layer is that the interval insulant by the screen material of height reflection and lower thermal conductivity is superimposed and forms, reflector can effectively completely cut off radiant heat transfer, high vacuum is pumped in the high vacuum chamber, having eliminated gaseous exchange conducts heat and most gas conduction, in addition owing to separate by the sept of low heat conductivity between radiation shield and the radiation shield, so reduced solid conductive heat effectively.Residual gas in the getter for low temperature absorption high vacuum chamber, the gas that normal temperature getter absorption high vacuum multiple layer heat insulation layer material is emitted keeps the vacuum in high vacuum chamber.Inner bag adopts combination supporting structure, the front and back end axially mounting bears the total carrying of transportation, can bear axial 3g and the shock loading of 3g radially, rear end supporting axial restraint, the preceding inner bag supporting steel pipe of preceding end bearing can move at preceding supporting shell support steel inner axial tube, relative displacement and malformation take place between inner bag and the shell, and break supporting and pipeline because of expanding with heat and contract with cold.The radial support effect can be played when radially fiberglass supporting normal temperature transports, and the rotation of inner bag in transportation can be prevented; When load transportation (low temperature), because radial contraction, supporting does not contact with inner bag, but can play the radial support effect when basin amount of deflection surpasses cold amount of contraction under intense impact, thereby has guaranteed the reliability of transporting, and leaking heat is less.
The utility model adopts high vacuum multiple layer heat insulation, and being superimposed by the interval insulant of the screen material of height reflection and lower thermal conductivity forms, and the heat-insulating material sinkage can not occur, in car rule defined size range, has increased the efficient loading capacity.Residual gas in the getter for low temperature absorption high vacuum chamber, the gas that normal temperature getter absorption high vacuum multiple layer heat insulation layer material is emitted can keep the vacuum in high vacuum chamber for a long time.Be in operation and relative displacement and malformation do not take place between inner bag and the shell, and break supporting and pipeline because of expanding with heat and contract with cold because of the top dashes to make.Therefore the utility model is a kind of liquefied natural gas transportation storage tank reliable, that heat-insulating property is good, stowage is big, good in economic efficiency that supports.
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 the utility model structural representation
As shown in Figure 1, the utility model mainly is made of shell 1, inner bag 2, heat insulating construction 3, radial support 4, axially mounting 5, stiff member 6, inner bag 2 is connected with shell 1 with axially mounting 5 combination supports by radial support 4, interlayer between inner bag 2 and the shell 1 is high vacuum chamber 8, and stiff member 6 is connected with back supporting inner bag supporting steel pipe 29 by the clamp nut 27 of adiabatic cushion block.Heat insulating construction 3 is made of high vacuum multiple layer heat insulation layer 7, high vacuum chamber 8, getter for low temperature 9 and normal temperature getter 10, high vacuum multiple layer heat insulation layer 7 is wrapped in inner bag 2 cylindrical shell outsides, getter for low temperature 9 is contained in the inner bag 2 that links to each other with high vacuum chamber 8, normal temperature getter 10 is contained in high vacuum multiple layer heat insulation layer 7 outside, and the mezzanine space that high vacuum chamber 8 is made of inner bag 2 and shell 1 is pumped into high vacuum and is constituted.Before and after the radial support 4 minutes two groups, every group four fulcrum, constitute by shell stiffener 11, supporting stationary pipes 12, fiberglass supporting 13, anti-inner bag rotating support plate 14, shell stiffener 11, supporting stationary pipes 12 and shell 1 welding, anti-inner bag rotating support plate 14 and inner bag 2 welding, fiberglass supports 13 1 ends and inserts supporting stationary pipes 12, be loose fit, can move radially, fiberglass supports 13 other ends in the axial groove of anti-inner bag rotating support plate 14, inner bag 2 can be moved axially but can not rotate.End bearing 15 and back end bearing 16 before axially mounting 5 is divided into, preceding end bearing 15 is by preceding supporting inner bag stiffener 16, preceding supporting inner bag supporting steel pipe 18, preceding backup insulation support ring 19, preceding backup insulation support ring locating ring 20, preceding supporting shell supporting steel pipe 21, preceding supporting reinforcement 22 constitutes, preceding supporting inner bag supporting steel pipe 18 is welded on inner bag 2 front head outsides by preceding supporting inner bag stiffener 17, preceding supporting shell supporting steel pipe 21 is welded on shell 1 front head inside, and supporting shell supported on steel pipe 21 and shell 1 front head before supporting reinforcement 22 was welded on before having, and preceding supporting inner bag support column 18 is by preceding backup insulation support ring 19, supporting shell supported on the steel pipe 21 before preceding backup insulation support ring locating ring 20 was bearing in; Back end bearing 16 is by back supporting inner bag stiffener 23, back supporting inner bag supporting steel pipe 24, back backup insulation support ring locating ring 25, back backup insulation support ring 26, back supporting shell supporting steel pipe 32, back supporting reinforcement 33 constitutes, back supporting inner bag supporting steel pipe 24 is welded on inner bag 2 rear head outsides by back supporting inner bag stiffener 23, back supporting shell supporting steel pipe 32 is welded on shell 1 rear head inside, and having back supporting reinforcement 33 to be welded on back supporting shell supporting steel pipe 32 and shell 1 rear head, back supporting inner bag support column 24 is by back backup insulation support ring 26, back backup insulation support ring locating ring 25 is bearing on the back supporting shell supporting steel pipe 32.Stiff member 6 covers 31 by adiabatic cushion block clamp nut 29, adiabatic cushion block 28, adiabatic cushion block clamp nut 29, supporting pivot pin 30 and supporting and constitutes, assembly 6 is connected with back supporting inner bag supporting steel pipe 24 by the screw thread of jack panel 27 in the adiabatic cushion block, the adiabatic cushion block clamp nut 29 of assembly 6 cover 31 welding with supporting, and supporting cover 31 and supported steel pipe 32 with the back supporting shell and weld.
High vacuum multiple layer heat insulation layer 7 is that the interval insulant by the screen material of height reflection and lower thermal conductivity is superimposed and forms, reflector can effectively completely cut off radiant heat transfer, high vacuum is pumped in high vacuum chamber 8, having eliminated gaseous exchange conducts heat and most gas conduction, in addition owing to separate by the sept of low heat conductivity between radiation shield and the radiation shield, so reduced solid conductive heat effectively.Residual gas in the getter for low temperature 9 absorption high vacuum chambeies 8, the gas that normal temperature getter 10 absorption high vacuum multiple layer heat insulation layers 7 material are emitted can keep the vacuum in high vacuum chamber 8 for a long time.Inner bag 2 adopts combination supporting structure, front and back end axially mounting 15,16 bears the total carrying of transportation, can bear axial 3g and the shock loading of 3g radially, back end bearing 16 axial restraints, the preceding supporting inner bag supporting steel pipe 18 of preceding end bearing 15 can move axially in preceding supporting shell supporting steel pipe 21, relative displacement and malformation take place between inner bag 2 and the shell 1, and break supporting and pipeline because of expanding with heat and contract with cold.Radial support 4 effects can be played when radially fiberglass supports the transportation of 13 normal temperature, and the rotation of inner bag 2 in transportation can be prevented; When load transportation (low temperature), because radial contraction, supporting does not contact with inner bag 2, but can play the radial support effect when basin amount of deflection surpasses cold amount of contraction under intense impact, thereby has guaranteed the reliability of transporting, and leaking heat is less.
Claims (5)
1, a kind of big capacity liquefied natural gas transportation storage tank, mainly comprise shell (1), inner bag (2), radial support (4), axially mounting (5), it is characterized in that also comprising heat insulating construction (3), stiff member (6), inner bag (2) is connected with shell (1) with axially mounting (5) combination support by radial support (4), interlayer between inner bag (2) and the shell (1) is high vacuum chamber (8), the outside high vacuum multiple layer heat insulation layer (7) that twines of inner bag (2), stiff member (6) is connected with back supporting inner bag supporting steel pipe (29) by jack panel (27) in the pressure of adiabatic cushion block.
2, this big capacity liquefied natural gas transportation storage tank according to claim 1, its feature is that also heat insulating construction (3) is by high vacuum multiple layer heat insulation layer (7), high vacuum chamber (8), getter for low temperature (9) and normal temperature getter (10) constitute, high vacuum multiple layer heat insulation layer (7) is wrapped in inner bag (2) cylindrical shell outside, getter for low temperature (9) is contained in the inner bag (2) that links to each other with high vacuum chamber (8), normal temperature getter (10) is contained in high vacuum multiple layer heat insulation layer (7) outside, and the mezzanine space that high vacuum chamber (8) are made of inner bag (2) and shell (1) is pumped into high vacuum and is constituted.
3, this liquefied natural gas transportation storage tank according to claim 1, its feature is that also radial support (4) divides two groups of front and back, every group four fulcrum, by shell stiffener (11), supporting stationary pipes (12), fiberglass supporting (13), anti-inner bag rotating support plate (14) constitutes, shell stiffener (11), supporting stationary pipes (12) and shell (1) welding, anti-inner bag rotating support plate (14) and inner bag (2) welding, fiberglass supporting (13) one ends insert supporting stationary pipes (12), be loose fit, can move radially, fiberglass supporting (13) other end is in the axial groove of anti-inner bag rotating support plate (14).
4, this liquefied natural gas transportation storage tank according to claim 1, its feature is that also axially mounting (5) is divided into preceding end bearing (15) and back end bearing (16), preceding end bearing (15) is by preceding supporting inner bag stiffener (17), preceding supporting inner bag supporting steel pipe (18), preceding backup insulation support ring (19), preceding backup insulation support ring locating ring (20), preceding supporting shell supporting steel pipe (21), preceding supporting reinforcement (22) constitutes, preceding supporting inner bag supporting steel pipe (18) is welded on inner bag (2) front head outside by preceding supporting inner bag stiffener (17), preceding supporting shell supporting steel pipe (21) is welded on shell (1) front head inside, and supporting shell supported on steel pipe (21) and shell (1) front head before supporting reinforcement (22) was welded on before having, and preceding supporting inner bag support column (18) is by preceding backup insulation support ring (19), supporting shell supported on the steel pipe (21) before preceding backup insulation support ring locating ring (20) was bearing in; Back end bearing (16) is by back supporting inner bag stiffener (23), back supporting inner bag supporting steel pipe (24), back backup insulation support ring locating ring (25), back backup insulation support ring (26), back supporting shell supporting steel pipe (32), back supporting reinforcement (33) constitutes, back supporting inner bag supporting steel pipe (24) is welded on inner bag (2) rear head outside by back supporting inner bag stiffener (23), back supporting shell supporting steel pipe (32) is welded on shell (1) rear head inside, and having back supporting reinforcement (33) to be welded on back supporting shell supporting steel pipe (32) and shell (1) rear head, back supporting inner bag support column (24) is by back backup insulation support ring (26), back backup insulation support ring locating ring (25) is bearing on the back supporting shell supporting steel pipe (32).
5, this big capacity liquefied natural gas transportation storage tank according to claim 1, its feature is that also stiff member (6) is made of jack panel (27), adiabatic cushion block (28), adiabatic cushion block clamp nut (29), supporting pivot pin (30) and supporting lid (31) in the adiabatic cushion block, assembly (6) is connected with back supporting inner bag supporting steel pipe (24) by the screw thread of jack panel (29) in the adiabatic cushion block, the adiabatic cushion block clamp nut (29) of assembly (6) and supporting lid (31) welding, supporting lid (31) and back supporting shell supporting steel pipe (32) welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00249960 CN2451917Y (en) | 2000-11-07 | 2000-11-07 | Liquefied natural gas transport storing tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00249960 CN2451917Y (en) | 2000-11-07 | 2000-11-07 | Liquefied natural gas transport storing tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2451917Y true CN2451917Y (en) | 2001-10-03 |
Family
ID=33608285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00249960 Expired - Fee Related CN2451917Y (en) | 2000-11-07 | 2000-11-07 | Liquefied natural gas transport storing tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2451917Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005100210A1 (en) * | 2004-04-15 | 2005-10-27 | China International Marine Containers (Group) Co., Ltd. | Super-vacuum insulation tank for cryogenic liquefied gas |
| CN100564986C (en) * | 2008-05-22 | 2009-12-02 | 上海交通大学 | The making method of high vacuum multiple layer heat insulation quilt |
| CN101688640B (en) * | 2007-05-29 | 2011-06-08 | 现代重工业株式会社 | LNG storage tank insulation system having welded secondary barrier and construction method thereof |
| CN102691881A (en) * | 2012-05-23 | 2012-09-26 | 张家港市科华化工装备制造有限公司 | Welded adiabatic gas cylinder |
| CN102997034A (en) * | 2011-09-09 | 2013-03-27 | 南通中集罐式储运设备制造有限公司 | Low-temperature storage-transport container |
| CN103256481A (en) * | 2013-05-28 | 2013-08-21 | 常州大学 | Reinforced seal head of vertical type heat-insulating gas bottle with low temperature |
| CN104989945A (en) * | 2015-07-09 | 2015-10-21 | 日照兴业汽车配件有限公司 | Gas cylinder combined supporting structure used for liquefied natural gas vehicle |
| WO2015188572A1 (en) * | 2014-06-13 | 2015-12-17 | 南通中集罐式储运设备制造有限公司 | Low-temperature container, low-temperature tank and low-temperature tank truck |
| CN107339600A (en) * | 2017-07-07 | 2017-11-10 | 张家港富瑞氢能装备有限公司 | A kind of vertical low temperature container |
-
2000
- 2000-11-07 CN CN 00249960 patent/CN2451917Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333198C (en) * | 2004-04-15 | 2007-08-22 | 中国国际海运集装箱(集团)股份有限公司 | High vacuum heat insulation low temperature liquefied gas storage tank |
| WO2005100210A1 (en) * | 2004-04-15 | 2005-10-27 | China International Marine Containers (Group) Co., Ltd. | Super-vacuum insulation tank for cryogenic liquefied gas |
| CN101688640B (en) * | 2007-05-29 | 2011-06-08 | 现代重工业株式会社 | LNG storage tank insulation system having welded secondary barrier and construction method thereof |
| CN100564986C (en) * | 2008-05-22 | 2009-12-02 | 上海交通大学 | The making method of high vacuum multiple layer heat insulation quilt |
| CN102997034B (en) * | 2011-09-09 | 2016-03-30 | 南通中集罐式储运设备制造有限公司 | A kind of low-temperature storage-transport container |
| CN102997034A (en) * | 2011-09-09 | 2013-03-27 | 南通中集罐式储运设备制造有限公司 | Low-temperature storage-transport container |
| CN102691881A (en) * | 2012-05-23 | 2012-09-26 | 张家港市科华化工装备制造有限公司 | Welded adiabatic gas cylinder |
| CN103256481A (en) * | 2013-05-28 | 2013-08-21 | 常州大学 | Reinforced seal head of vertical type heat-insulating gas bottle with low temperature |
| CN103256481B (en) * | 2013-05-28 | 2015-09-16 | 常州大学 | The reinforcement end socket of vertical-type low-temperature heat-insulation gas cylinder shell |
| AU2014397223B2 (en) * | 2014-06-13 | 2018-10-18 | Cimc Safeway Technologies Co., Ltd. | Low-temperature container, low-temperature tank and low-temperature tank truck |
| WO2015188572A1 (en) * | 2014-06-13 | 2015-12-17 | 南通中集罐式储运设备制造有限公司 | Low-temperature container, low-temperature tank and low-temperature tank truck |
| RU2688295C2 (en) * | 2014-06-13 | 2019-05-21 | Нантон Симс Тэнк Иквипмент Ко., Лтд. | Low-temperature container, low-temperature reservoir and automotive tank for transportation of low-temperature liquid |
| US10442616B2 (en) | 2014-06-13 | 2019-10-15 | Nantong Cimc Tank Equipment Co., Ltd. | Low-temperature container, low-temperature tank and low-temperature tank truck |
| CN104989945A (en) * | 2015-07-09 | 2015-10-21 | 日照兴业汽车配件有限公司 | Gas cylinder combined supporting structure used for liquefied natural gas vehicle |
| CN107339600A (en) * | 2017-07-07 | 2017-11-10 | 张家港富瑞氢能装备有限公司 | A kind of vertical low temperature container |
| CN107339600B (en) * | 2017-07-07 | 2023-09-15 | 江苏国富氢能技术装备股份有限公司 | Vertical low-temperature container |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |