CN118009235A - Land thin film type low-temperature metal storage tank - Google Patents
Land thin film type low-temperature metal storage tank Download PDFInfo
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- CN118009235A CN118009235A CN202211394372.8A CN202211394372A CN118009235A CN 118009235 A CN118009235 A CN 118009235A CN 202211394372 A CN202211394372 A CN 202211394372A CN 118009235 A CN118009235 A CN 118009235A
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- tank
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- double
- outer tank
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- 239000002184 metal Substances 0.000 title claims abstract description 56
- 239000010409 thin film Substances 0.000 title claims abstract description 23
- 238000009413 insulation Methods 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 22
- 239000010408 film Substances 0.000 claims abstract description 9
- 238000004321 preservation Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a land film type low-temperature metal storage tank, which comprises: pile foundation; the bearing platform is arranged at the top end of the pile foundation; the reinforcing ring is fixedly connected to the top end of the bearing platform; the double-layer metal outer tank is arranged at the top end of the bearing platform; the hard heat-insulating layer is fixedly connected to the inner wall of the double-layer metal outer tank; the film inner tank is fixedly connected to the inner wall of the hard heat preservation layer; the tank bottom secondary protection layer is arranged at the bottom end of the double-layer metal outer tank; the steel dome is fixedly connected to the top end of the double-layer metal outer tank; and the edge end of the suspended ceiling heat insulation layer is in sealing connection with the edge end of the top of the inner tank of the film. The invention solves the problems of small wall thickness and tank capacity, long construction period and large construction difficulty of large-volume concrete of the existing storage tank by the three-layer design of the double-layer metal outer tank and the thin film inner tank.
Description
Technical Field
The invention relates to the technical field of storage tank equipment, in particular to a land thin film type low-temperature metal storage tank.
Background
Under the 'double carbon' goal, green clean energy demand is rapidly increased, the key direction of China energy development is the future, in clean energy full industry chain such as hydrogen energy, the storage technology is a very critical ring, the rapid development of the whole industry is greatly influenced, especially the large-scale storage of low-temperature media such as LNG and liquid hydrogen is realized, the technical requirement is high, the cost occupation ratio is large, in the present, along with the increase of tank capacity, the concrete outer tank and the metal inner tank are used, the thickness of a concrete bottom plate and the thickness of a tank wall of the tank are increased in the engineering construction process, the construction period is greatly increased, a large amount of cement and steel bars are used, the environment protection is not facilitated, meanwhile, large-volume concrete is poured, more technical difficulties are faced, and the tank faces more safety risks, so that the novel tank needs to be combined with the thin-film type tank technology, and the defects of the prior art are overcome.
Disclosure of Invention
The invention aims to provide a land thin film type low-temperature metal storage tank, which solves the problems of small wall thickness and tank capacity, long construction period and large construction difficulty of large-volume concrete of the existing storage tank through the three-layer design of a double-layer metal outer tank and a thin film inner tank.
In order to achieve the object of the present invention, there is provided a thin film type cryogenic metal storage tank for land, comprising: pile foundation; the bearing platform is arranged at the top end of the pile foundation; the reinforcing ring is fixedly connected to the top end of the bearing platform; the double-layer metal outer tank is arranged at the top end of the bearing platform and is positioned in the annular space of the reinforcing ring; the hard heat-insulating layer is fixedly connected to the inner wall of the double-layer metal outer tank; the film inner tank is fixedly connected to the inner wall of the hard heat preservation layer; the tank bottom secondary protection layer is arranged at the bottom end of the double-layer metal outer tank, extends upwards to the height position of the reinforcing ring along the bottom end of the double-layer metal outer tank, and is clamped between the double-layer metal outer tank and the hard heat insulation layer; the steel dome is fixedly connected to the top end of the double-layer metal outer tank; the suspended ceiling is fixedly connected to the inner wall of the steel dome, and the height of the suspended ceiling is in alignment with the top end of the thin film inner tank; the suspended ceiling heat insulation layer is arranged at the bottom end of the suspended ceiling, and the edge end of the suspended ceiling heat insulation layer is in sealing connection with the edge end of the top of the inner tank of the film.
As a preferable technical scheme of the invention, the number and the diameter of the pile foundations are adapted to the scale of the storage tank, and a flexible vibration isolation device is arranged between the pile foundations and the bearing platform.
As the preferable technical scheme of the invention, the section of the reinforcing ring is of a right trapezoid structure, and the right-angle side of the reinforcing ring is attached to the bottom end of the outer wall of the double-layer metal outer tank.
As the preferable technical scheme of the invention, the double-layer metal outer tank is of a double-layer structure and comprises an outer tank outer wall, an outer tank inner wall and a tank wall support, wherein the outer tank outer wall is attached to the inner wall of the reinforcing ring, the outer tank inner wall is attached to the hard heat insulation layer, the tank wall support is of an I-shaped structure, and the tank wall support is horizontally clamped between the outer tank outer wall and the outer tank inner wall.
As a preferable technical scheme of the invention, a heat insulation material is arranged between the outer wall of the outer tank and the inner wall of the outer tank.
As a preferable technical scheme of the invention, the hard heat-insulating layer comprises a heat-insulating layer and a gas-insulating layer, wherein the heat-insulating layer is made of reinforced polyurethane foam materials, the gas-insulating layer is made of polymer materials, and the heat-insulating layer is laid in a multi-layer staggered manner.
As a preferred technical scheme of the invention, the steel dome is hemispherical, and the steel dome is formed into a net shell structure by a steel frame and steel plates welded on the steel frame.
Compared with the prior art, the invention provides a land thin film type low-temperature metal storage tank, which has the following beneficial effects:
according to the invention, through the combined design of the double-layer metal outer tank and the thin film inner tank, the use of traditional concrete and prestressed reinforcement can be reduced, the inner volume of the storage tank is greatly increased under the condition of the same outer tank size, the double-layer metal outer tank can meet the storage tank with larger volume, and the defect of limited volume of the existing metal storage tank is solved; the double-layer metal outer tank ensures the stability of the outer tank of the large-scale metal storage tank for storing low-temperature media such as liquid hydrogen or liquefied natural gas, and further ensures the heat insulation and safety of the tank body; the thin film tank transmits the internal liquid pressure to the outer tank, the bottom corner of the tank is stressed most, a weak area is generated, the protection of the bottom corner of the tank is effectively enhanced according to the stress characteristics by the design of the concrete reinforcing ring with the trapezoid cross section, and the leakage risk caused by the bottom damage of the tank body is reduced; can be completed through prefabrication and rapid assembly, has the advantages of short construction period, good cold insulation effect, high safety and the like, and meets the development requirements of green and low carbon.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
Fig. 2 is a detailed view of the structure of the present invention a at fig. 1.
The pile foundation is 1, the bearing platform is 2, the reinforcing ring is 3, the double-layer metal outer tank is 4, the outer tank wall is 401, the outer tank inner wall is 402, the tank wall support is 403, the hard heat insulation layer is 5, the film inner tank is 6, the tank bottom secondary protection layer is 7, the steel dome is 8, the suspended ceiling is 9, and the suspended ceiling heat insulation layer is 10.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, an embodiment of the present invention provides a land thin film type low temperature metal storage tank, comprising: pile foundation 1; the bearing platform 2 is arranged at the top end of the pile foundation 1; the reinforcing ring 3 is fixedly connected to the top end of the bearing platform 2; a double-layer metal outer tank 4, wherein the double-layer metal outer tank 4 is arranged at the top end of the bearing platform 2, and the double-layer metal outer tank 4 is positioned in the annular space of the reinforcing ring 3; the hard heat preservation layer 5 is fixedly connected to the inner wall of the double-layer metal outer tank 4; the film inner tank 6 is fixedly connected to the inner wall of the hard heat preservation layer 5; the tank bottom secondary protection layer 7 is arranged at the bottom end of the double-layer metal outer tank 4, the secondary protection layer 7 extends upwards to the height position of the reinforcing ring 3 along the bottom end of the double-layer metal outer tank 4, and the edge end of the secondary protection layer 7 is clamped between the double-layer metal outer tank 4 and the hard heat insulation layer 5; a steel dome 8, wherein the steel dome 8 is fixedly connected to the top end of the double-layer metal outer tank 4; the suspended ceiling 9 is fixedly connected to the inner wall of the steel dome 8, and the height of the suspended ceiling 9 is in alignment with the top end of the thin film inner tank 6; the suspended ceiling heat insulation layer 10, the suspended ceiling heat insulation layer 10 install in the furred ceiling 9 bottom, just suspended ceiling heat insulation layer 10 marginal end in the marginal end sealing connection of membrane inner tank 6 top.
In one embodiment of the invention, the number and diameter of the pile foundations 1 are adapted to the scale of the storage tank, and a flexible shock insulation device is arranged between the pile foundations 1 and the bearing platform 2.
In one embodiment of the present invention, the cross section of the reinforcing ring 3 is in a right trapezoid structure, and the right-angle side of the reinforcing ring 3 is attached to the bottom end of the outer wall of the double-layer metal outer tank 4.
In one embodiment of the present invention, the double-layer metal outer can 4 is provided with a double-layer structure, and comprises an outer can outer wall 401, an outer can inner wall 402 and a can wall support 403, wherein the outer can outer wall 401 is attached to the inner wall of the reinforcing ring 3, the outer can inner wall 402 is attached to the hard insulation layer 5, the can wall support 403 is provided with an i-shaped structure, and the can wall support 403 is horizontally clamped between the outer can outer wall 401 and the outer can inner wall 402.
In one embodiment of the invention, a thermal insulation material is provided between the outer tank wall 401 and the inner tank wall 402.
In one embodiment of the present invention, the hard thermal insulation layer 5 includes a thermal insulation layer and a gas barrier layer, the thermal insulation layer is made of reinforced polyurethane foam material, the gas barrier layer is made of polymer material, and the thermal insulation layer is laid in a multi-layer staggered manner.
In one embodiment of the invention, the steel dome 8 is hemispherical, and the steel dome 8 is formed into a reticulated shell structure by a steel frame and steel plates welded thereto.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (7)
1. A land thin film type cryogenic metal storage tank, comprising:
Pile foundation (1); the bearing platform (2) is arranged at the top end of the pile foundation (1); the reinforcing ring (3), the said reinforcing ring (3) is fixedly connected to the top of the said bearing platform (2); the double-layer metal outer tank (4), the double-layer metal outer tank (4) is arranged at the top end of the bearing platform (2), and the double-layer metal outer tank (4) is positioned in the annular space of the reinforcing ring (3); the hard heat preservation layer (5), the hard heat preservation layer (5) is fixedly connected to the inner wall of the double-layer metal outer tank (4); the film inner tank (6), the film inner tank (6) is fixedly connected to the inner wall of the hard heat-insulating layer (5); the tank bottom secondary protection layer (7), the tank bottom secondary protection layer (7) is arranged at the bottom end of the double-layer metal outer tank (4), the secondary protection layer (7) extends upwards to the height position of the reinforcing ring (3) along the bottom end of the double-layer metal outer tank (4), and the edge end of the secondary protection layer (7) is clamped between the double-layer metal outer tank (4) and the hard heat insulation layer (5); a steel dome (8), wherein the steel dome (8) is fixedly connected to the top end of the double-layer metal outer tank (4); the suspended ceiling (9), the suspended ceiling (9) is fixedly connected to the inner wall of the steel dome (8), and the height of the suspended ceiling (9) is in alignment with the top end of the thin film inner tank (6); the suspended ceiling heat insulation layer (10), the suspended ceiling heat insulation layer (10) is installed in the bottom end of the suspended ceiling (9), and the edge end of the suspended ceiling heat insulation layer (10) is in sealing connection with the edge end of the top of the thin film inner tank (6).
2. A land thin film cryogenic metal storage tank as defined in claim 1, wherein:
The number and the diameter of the pile foundations (1) are adapted to the scale of the storage tank, and a flexible shock insulation device is arranged between the pile foundations (1) and the bearing platform (2).
3. A land thin film cryogenic metal storage tank as defined in claim 1, wherein:
The cross section of the reinforcing ring (3) is of a right trapezoid structure, and the right-angle side of the reinforcing ring (3) is attached to the bottom end of the outer wall of the double-layer metal outer tank (4).
4. A land thin film cryogenic metal storage tank as defined in claim 1, wherein:
The double-layer metal outer tank (4) is arranged to be of a double-layer structure and comprises an outer tank outer wall (401), an outer tank inner wall (402) and a tank wall support (403), wherein the outer tank outer wall (401) is attached to the inner wall of the reinforcing ring (3), the outer tank inner wall (402) is attached to the hard heat insulation layer (5), the tank wall support (403) is arranged to be of an I-shaped structure, and the tank wall support (403) is horizontally clamped between the outer tank outer wall (401) and the outer tank inner wall (402).
5. A land thin film cryogenic metal storage tank as defined in claim 4, wherein:
An insulating material is arranged between the outer wall (401) of the outer tank and the inner wall (402) of the outer tank.
6. A land thin film cryogenic metal storage tank as defined in claim 1, wherein:
the hard heat preservation layer (5) comprises a heat insulation layer and a gas insulation layer, wherein the heat insulation layer is made of reinforced polyurethane foam materials, the gas insulation layer is made of polymer materials, and the heat insulation layer is laid in a multi-layer staggered mode.
7. A land thin film cryogenic metal storage tank as defined in claim 1, wherein:
The steel dome (8) is hemispherical, and the steel dome (8) is formed into a reticulated shell structure by a steel frame and steel plates welded on the steel frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211394372.8A CN118009235A (en) | 2022-11-08 | 2022-11-08 | Land thin film type low-temperature metal storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211394372.8A CN118009235A (en) | 2022-11-08 | 2022-11-08 | Land thin film type low-temperature metal storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118009235A true CN118009235A (en) | 2024-05-10 |
Family
ID=90945108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211394372.8A Pending CN118009235A (en) | 2022-11-08 | 2022-11-08 | Land thin film type low-temperature metal storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118009235A (en) |
-
2022
- 2022-11-08 CN CN202211394372.8A patent/CN118009235A/en active Pending
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination |