CN219673944U - Guiding device suitable for low-temperature storage tank is outside - Google Patents
Guiding device suitable for low-temperature storage tank is outside Download PDFInfo
- Publication number
- CN219673944U CN219673944U CN202320431459.1U CN202320431459U CN219673944U CN 219673944 U CN219673944 U CN 219673944U CN 202320431459 U CN202320431459 U CN 202320431459U CN 219673944 U CN219673944 U CN 219673944U
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- China
- Prior art keywords
- fiber reinforced
- plastic
- glass fiber
- reinforced plastic
- outside
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- 229920003023 plastic Polymers 0.000 claims abstract description 43
- 239000004033 plastic Substances 0.000 claims abstract description 43
- 239000011152 fibreglass Substances 0.000 claims abstract description 33
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 24
- 239000010935 stainless steel Substances 0.000 claims abstract description 24
- 229920005830 Polyurethane Foam Polymers 0.000 claims abstract description 17
- 239000011496 polyurethane foam Substances 0.000 claims abstract description 17
- 239000003292 glue Substances 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 238000010030 laminating Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 229920002635 polyurethane Polymers 0.000 abstract description 7
- 239000004814 polyurethane Substances 0.000 abstract description 7
- 239000012774 insulation material Substances 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- 239000011800 void material Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to the technical field of flow guiding devices, in particular to a flow guiding device suitable for the exterior of a low-temperature storage tank, which comprises a tank body, glass fiber reinforced plastic and a plastic shell, wherein the exterior of the tank body is provided with surrounding polyurethane foam, the polyurethane foam is fixedly connected with the interior of the glass fiber reinforced plastic, a gap is arranged below the tank body, the gap is positioned in the glass fiber reinforced plastic, the plastic shell is positioned below the glass fiber reinforced plastic, the exterior of the plastic shell is provided with a stainless steel sheet, the stainless steel sheet is fixedly connected with the bottom of the glass fiber reinforced plastic through glue, and the plastic shell is fixedly connected with the glass fiber reinforced plastic through glue; finally, the condensed water can flow out along the flow guiding main device formed by the plastic shell and the elastic diaphragm and is guided out through the elastic diaphragm, so that the long-term water accumulation is prevented from damaging the performance of the polyurethane heat insulation material and further affecting the cold insulation performance of the whole low-temperature storage tank.
Description
Technical Field
The utility model relates to the technical field of flow guiding devices, in particular to a flow guiding device suitable for the outside of a low-temperature storage tank.
Background
Existing cryogenic tanks are typically cooled down in the tank by externally constructing polyurethane foam material to keep the low Wen Yehuo (such as lng and liquefied ethylene gas). The outer layer of the polyurethane foam material is coated with a layer of glass fiber reinforced plastic material with high strength mechanical property and waterproof property to strengthen the overall strength of the outside, so that the damage caused by collision or bump is avoided.
However, a small amount of air is trapped between the outermost layer of the polyurethane foam material and the glass fiber reinforced plastic, and the trapped air expands and liquefies with the increase of the ambient temperature. Because the glass fiber reinforced plastic is excellent in air tightness and water tightness, water drops formed by a small amount of retained air are forced to be stored in the gap. With the operation of the cryogenic tank, the water droplets in the void will gradually increase and evolve into water. Long-term water accumulation can destroy the performance of the polyurethane heat-insulating material and affect the cold-insulating performance of the whole low-temperature storage tank.
Disclosure of Invention
Aiming at the problems in the prior art, a flow guiding device suitable for the exterior of a low-temperature storage tank is provided.
The specific technical scheme is as follows:
the utility model provides a guiding device suitable for low temperature storage tank is outside, includes a jar body, glass steel and plastic housing, the outside of jar body is equipped with the polyurethane foam that encircles, polyurethane foam fixed connection the inside of glass steel, the below of jar body is equipped with the space, the space is located the inside of glass steel, plastic housing is located the below of glass steel, plastic housing's outside is equipped with stainless steel thin slice, stainless steel thin slice passes through glue fixed connection glass steel's bottom, plastic housing passes through glue fixed connection glass steel.
Preferably, a hole is formed in the bottom of the glass fiber reinforced plastic, and the plastic shell penetrates through the movable connection hole.
Preferably, rivets which are uniformly distributed in a surrounding mode are arranged outside the stainless steel sheet, and the rivets penetrate through the stainless steel sheet and the glass fiber reinforced plastic in a movable mode.
Preferably, gaskets are arranged above the rivets, the gaskets are attached to the lower parts of the stainless steel sheets, and the rivets penetrate through the gaskets to be movably connected.
Preferably, an elastic diaphragm is arranged in the plastic shell, and the elastic diaphragm is fixedly connected with the plastic shell.
The technical scheme has the following advantages or beneficial effects:
1. through the plastic casing that sets up, plastic casing and elastic diaphragm have constituted the water conservancy diversion main part, cool the jar body when glass steel cooperation polyurethane foam, because cold transmission and then make the inside air condensation of air space become water, the hole that the glass steel bottom was seted up of cooperation again communicates each other with plastic casing, finally make the water that condenses can follow the water conservancy diversion main part that comprises plastic casing and elastic diaphragm and come out through the elastic diaphragm water conservancy diversion, avoided long-term ponding to destroy polyurethane insulation material's performance and, and then influence the cold insulation performance of whole low temperature storage tank.
2. Can be suitable for the outside of a tank body for loading various low-temperature liquid cargoes. Meanwhile, the optimal solution can be made according to the low-temperature storage tanks with different shapes, so that the application range is enlarged.
3. During development, the scheme can be ensured to be suitable for various different conditions through multiple simulated cooling cycles and finite element analysis. Thereby having higher safety coefficient.
4. The utility model designs and installs the diversion device to improve the whole cold insulation function of the low-temperature storage tank under the condition of not affecting the original design of the low-temperature storage tank.
5. The device is fixed on the surface by two methods of glue and mechanical fixation, so that the integral strength of the device is greatly enhanced, and the durability is enhanced.
6. Because the device is arranged outside the low-temperature storage tank, if part is damaged, the device can be directly maintained on the original basis and can not have any influence on the tank body.
Drawings
Embodiments of the present utility model will now be described more fully with reference to the accompanying drawings. The drawings, however, are for illustration and description only and are not intended as a definition of the limits of the utility model.
FIG. 1 is a schematic diagram of the overall structure of a deflector suitable for use outside a cryogenic tank according to the present utility model;
FIG. 2 is a schematic diagram of the whole cross-sectional structure of a flow guiding device suitable for the outside of a cryogenic tank according to the present utility model;
FIG. 3 is a schematic view of a split structure of an overall section of a deflector adapted for use outside a cryogenic tank according to the present utility model;
fig. 4 is an enlarged view of a portion a in fig. 2 of a deflector adapted to be located outside a cryogenic tank according to the present utility model.
The above reference numerals denote: a tank 10; a void 11; glass fiber reinforced plastic 20; a polyurethane foam 21; a hole 22; stainless steel sheet 23; glue 24; a rivet 25; a spacer 26; a plastic housing 30; an elastic diaphragm 31.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Referring to fig. 1-4, a diversion device suitable for the exterior of a low-temperature storage tank comprises a tank body 10, a glass fiber reinforced plastic 20 and a plastic shell 30, wherein the exterior of the tank body 10 is provided with surrounding polyurethane foam 21, the polyurethane foam 21 is fixedly connected with the interior of the glass fiber reinforced plastic 20, a gap 11 is arranged below the tank body 10, the gap 11 is positioned inside the glass fiber reinforced plastic 20, the plastic shell 30 is positioned below the glass fiber reinforced plastic 20, the exterior of the plastic shell 30 is provided with a stainless steel sheet 23, the stainless steel sheet 23 is fixedly connected with the bottom of the glass fiber reinforced plastic 20 through glue 24, and the plastic shell 30 is fixedly connected with the glass fiber reinforced plastic 20 through glue 24; the glass fiber reinforced plastic 20 is made of common glass fiber reinforced plastic materials, the polyurethane foam 21 is made of common polyurethane foam materials, and the gap 11 is a gap between the glass fiber reinforced plastic and the polyurethane heat insulation material; the device mainly comprises a fixing device and a diversion main device; the fixing device consists of a rivet 25, a gasket 26 and a stainless steel sheet 23, and the diversion main device consists of a plastic shell 30 and an elastic diaphragm 31; glue 24 is specially made glue filled in stainless steel sheet 23, so that plastic shell 30 and stainless steel sheet 23 can be fixedly connected, plastic shell 30 and glass fiber reinforced plastic 20 can be fixedly connected, rivet 25 and gasket 26 are matched, and glue and machinery are matched, so that sealing and fixing are achieved.
Further, a hole 22 is formed at the bottom of the glass fiber reinforced plastic 20, and the plastic shell 30 penetrates through the movable connection hole 22; the glass fiber reinforced plastic 20 and polyurethane foam 21 are matched to mainly cool the internal tank body 10, and the tank body 10 is a common low-temperature storage tank.
Further, rivets 25 which are uniformly distributed around the stainless steel sheet 23 are arranged outside the stainless steel sheet 23, and the rivets 25 penetrate through the stainless steel sheet 23 and the glass fiber reinforced plastic 20; the rivet 25 is mainly used for fixedly connecting the stainless steel sheet 23 and the plastic housing 30 therein to the bottom of the glass fiber reinforced plastic 20.
Further, a gasket 26 is arranged above the rivet 25, the gasket 26 is attached to the lower part of the stainless steel sheet 23, and the rivet 25 penetrates through the movable connecting gasket 26; the gaskets 26 are in the same number as the rivets 25 for ensuring the tightness thereof.
Further, an elastic diaphragm 31 is arranged in the plastic shell 30, and the elastic diaphragm 31 is fixedly connected with the plastic shell 30; the plastic housing 30 is in a hollow state which communicates with the void 11 through the hole 22 so that the water condensed inside the void 11 flows into the inside of the plastic housing 30 and is used to engage the collecting means at the bottom of the plastic housing 30 through the elastic diaphragm 31.
Working principle: when the device is used, the plastic shell 30 and the elastic diaphragm 31 form a diversion main device, when the glass fiber reinforced plastic 20 is matched with the polyurethane foam 21 to cool the tank body 10, air in the air gap 11 is condensed into water due to cold transmission, and then the water is mutually communicated with the plastic shell 30 by matching with the holes 22 formed in the bottom of the glass fiber reinforced plastic 20, so that the condensed water can be finally diverted out through the elastic diaphragm along the diversion main device formed by the plastic shell 30 and the elastic diaphragm 31, thereby avoiding long-term accumulated water from damaging the performance of polyurethane heat insulation materials and further influencing the cool insulation performance of the whole low-temperature storage tank; through the arranged glass fiber reinforced plastic 20, the plastic shell 30 is sealed and fixed with the bottom of the glass fiber reinforced plastic 20 through the glue 24, and then is matched with a fixing device formed by the stainless steel sheet 23, the rivets 25 and 36, so that the fixing between a diversion main device formed by the plastic shell 30 and the elastic diaphragm 31 and the bottom of the glass fiber reinforced plastic 20 is further enhanced to be more stable; the present utility model has been verified in the following two ways. First, finite element stress analysis was simulated for the cryogenic tank during the cryogenic cycle. Secondly, simulating water accumulation generated when the environmental temperature of the tank body rises by using an actual model heating experiment and the flow guiding function of the flow guiding device; the water accumulated in the glass fiber reinforced plastic and the polyurethane heat insulation material is effectively discharged by utilizing the flow guiding device, so that the polyurethane material failure caused by the water accumulated is avoided, and the functionality of the whole low-temperature storage tank is greatly improved.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (5)
1. Guiding device suitable for low temperature storage tank outside, its characterized in that: including jar body (10), glass steel (20) and plastic housing (30), the outside of jar body (10) is equipped with polyurethane foam (21) of encircleing, polyurethane foam (21) fixed connection the inside of glass steel (20), the below of jar body (10) is equipped with space (11), space (11) are located the inside of glass steel (20), plastic housing (30) are located the below of glass steel (20), the outside of plastic housing (30) is equipped with stainless steel sheet (23), stainless steel sheet (23) pass through the bottom of glue (24) fixed connection glass steel (20), plastic housing (30) pass through glue (24) fixed connection glass steel (20).
2. A deflector adapted for use outside a cryogenic tank as claimed in claim 1, wherein: the bottom of the glass fiber reinforced plastic (20) is provided with a hole (22), and the plastic shell (30) penetrates through the movable connection hole (22).
3. A deflector adapted for use outside a cryogenic tank as claimed in claim 2, wherein: the outside of stainless steel thin slice (23) is equipped with evenly encircled rivet (25) of distributing, rivet (25) cave wearing swing joint stainless steel thin slice (23) and glass steel (20).
4. A deflector adapted for use outside a cryogenic tank as claimed in claim 3, wherein: the upper portion of rivet (25) all is equipped with gasket (26), the below of stainless steel thin slice (23) is connected in laminating of gasket (26), rivet (25) run through swing joint gasket (26).
5. A deflector adapted for use outside a cryogenic tank as claimed in claim 1, wherein: an elastic diaphragm (31) is arranged in the plastic shell (30), and the elastic diaphragm (31) is fixedly connected with the plastic shell (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320431459.1U CN219673944U (en) | 2023-03-09 | 2023-03-09 | Guiding device suitable for low-temperature storage tank is outside |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320431459.1U CN219673944U (en) | 2023-03-09 | 2023-03-09 | Guiding device suitable for low-temperature storage tank is outside |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219673944U true CN219673944U (en) | 2023-09-12 |
Family
ID=87895398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320431459.1U Active CN219673944U (en) | 2023-03-09 | 2023-03-09 | Guiding device suitable for low-temperature storage tank is outside |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219673944U (en) |
-
2023
- 2023-03-09 CN CN202320431459.1U patent/CN219673944U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |