CN212510470U - Dual hot angle protection architecture and low temperature storage tank - Google Patents
Dual hot angle protection architecture and low temperature storage tank Download PDFInfo
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- CN212510470U CN212510470U CN202020746816.XU CN202020746816U CN212510470U CN 212510470 U CN212510470 U CN 212510470U CN 202020746816 U CN202020746816 U CN 202020746816U CN 212510470 U CN212510470 U CN 212510470U
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Abstract
The utility model discloses a double hot corner protection structure, which is arranged between an inner tank and an outer tank of a low-temperature storage tank and comprises an upper hot corner structure and a lower hot corner structure; the upper thermal corner structure has excellent elastic shrinkage performance, good sealing performance can be guaranteed, damage is not prone to occurring, and when an inner tank medium leaks and the upper thermal corner structure is damaged, the lower thermal corner structure is used for bearing low-temperature impact of the leaked medium and does not damage, so that double protection of the joint of the outer tank wall and the tank bottom is achieved; the utility model also discloses a low temperature storage tank, the bottom plate of the thermal angle protection structure is arranged at the lower part of the concrete ring wall, so that the temperature born by the thermal angle protection bottom plate under the normal operation working condition is increased, the low temperature shrinkage of the bottom plate under the normal operation working condition is reduced, meanwhile, the usage amount of the lower thermal angle structure is reduced, and the cost is saved; the utility model discloses a problem of hot angle protection architecture low temperature shrink has been solved to the low temperature storage tank, has excellent security and stability.
Description
Technical Field
The utility model belongs to the technical field of the chemical industry, specifically be a dual hot angle protection architecture and low temperature storage tank.
Background
With the enhancement of awareness of environmental protection and the development strategy of changing coal into natural gas in China, the demand of clean energy represented by liquefied natural gas is rapidly increased, and the demand of low-temperature storage tanks is also greatly increased. In order to ensure the safety of the low-temperature storage tank, a full-capacity tank structure is generally adopted. Wherein, for the low temperature destruction of outer tank wall and outer tank bottom junction under avoiding the inner tank to leak the condition, consequently including set up hot corner protection architecture between the outer tank. When the inner tank low-temperature medium leaks, the thermal angle protection structure can be greatly radially contracted under the influence of the low-temperature medium, so that each connection part of the thermal angle protection can generate very large temperature difference stress, the thermal angle protection structure is extremely easy to damage, and the outer tank and the foundation bearing platform are damaged at low temperature.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, an object of the present invention is to provide a dual hot corner protection structure and a storage tank having the same, which solves the problem of low temperature shrinkage of the hot corner protection structure and improves the safety of the low temperature storage tank.
The utility model discloses a following technical scheme:
a double-thermal-angle protection structure is arranged between an inner tank and an outer tank of a low-temperature storage tank and comprises an upper thermal-angle structure and a lower thermal-angle structure;
the upper hot corner structure comprises a top ring plate, a hot corner protection wall plate, a lower layer edge plate, an upper layer sliding bottom plate, an edge baffle plate and a flexible sealing layer which are designed to be in a circle around the tank body; the lower layer edge plate is tiled, the thermal angle protection wall plate is vertically arranged at one end of the lower layer edge plate close to the outer tank, the upper layer sliding bottom plate is erected above the lower layer edge plate and can freely slide, the edge baffle plate is vertically arranged on the upper layer sliding bottom plate, and a flexible sealing layer with telescopic performance is arranged between the thermal angle protection wall plate and the edge baffle plate along the lower layer edge plate and the upper layer sliding bottom plate;
the lower thermal angle structure comprises a cold insulation layer arranged between the upper thermal angle structure and the outer tank, and the top annular plate is arranged at the top of the lower thermal angle structure.
In an embodiment of the present invention, the flexible sealing layer is bonded to the thermal angle protective wall plate and the edge baffle at both ends by low temperature glue.
In a specific embodiment of the utility model, the flexible sealing layer is in edge baffle department is folded, is located hot angle protection wallboard with still set up the elastic support portion between the edge baffle, the elastic support portion is used for right the folding department of flexible sealing layer supports.
In a specific embodiment of the present invention, the elastic supporting portion is an elastic felt.
In a particular embodiment of the present invention, the lower thermal angle structure is a high density polyurethane layer.
In a specific embodiment of the present invention, the flexible sealing layer is a flexible composite fiber cloth.
In a specific embodiment of the present invention, the upper sliding bottom plate is connected to the lower edge plate through an inclined or vertical section, and a space is provided between the lower edge plate and the upper sliding bottom plate.
The utility model also provides a low temperature storage tank, including inner tank and outer jar, the inner tank with be provided with aforementioned double hot angle protection architecture between the outer jar.
In a specific embodiment of the utility model, by the side of inner tank to set gradually tank wall elastic felt and pearlite between the inner wall of outer jar, the middle part of inner tank bottom with set up the cold insulation material that has the screed-coat between the dual hot angle protection structure, inner tank bottom both sides with set up concrete ring wall as the support between the dual hot angle protection structure.
In a specific embodiment of the present invention, the outer tank is a concrete outer tank or a metal outer tank, and when the outer tank is a concrete outer tank, the outer tank is provided with an inner lining.
Owing to adopted above technical scheme, the utility model has the advantages of: 1) the utility model discloses a dual hot angle protection architecture includes upper portion hot angle structure and lower part hot angle structure, and upper portion hot angle structure has excellent elastic shrinkage performance under normal operating mode, can guarantee good leakproofness and be difficult for taking place destruction, under extreme operating mode (after inner tank medium leaks for a certain time, upper portion hot angle protection architecture takes place the damage), lower part hot angle structure can regard as second heavy protection for bear the low temperature impact of leaking the medium and do not take place destruction, has realized the dual protection of outer tank wall and tank bottoms junction from this; 2) the folding design of the flexible sealing layer ensures that the flexible sealing layer cannot be torn and damaged during low-temperature shrinkage, and the elastic supporting part is arranged to support the folding part of the flexible sealing layer so as to prevent the folding from overturning in the expansion and shrinkage processes; 3) the low-temperature storage tank of the utility model arranges the thermal angle protection bottom plate at the lower part of the concrete ring wall, so that the temperature born by the thermal angle protection bottom plate under the normal operation working condition is increased, the low-temperature shrinkage of the bottom plate under the normal operation working condition is reduced, the usage amount of the lower thermal angle structure is reduced, and the cost is saved; 4) the utility model discloses a problem of hot angle protection architecture low temperature shrink has been solved to the low temperature storage tank, has excellent security and stability.
Drawings
In order to more clearly illustrate the technical solution of the mode of the invention, the drawings that are required to be used in the embodiment are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the invention, and are not to be considered as limiting the scope, and that for a person skilled in the art, other relevant drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic view of the dual thermal angle protection structure and the low temperature storage tank of the present invention;
FIG. 2 is a partially enlarged schematic view of region A of FIG. 1;
the attached drawings illustrate that 1 is an outer tank, 2 is a thermal angle protection wall plate, 3 is perlite, 4 is a thermal angle protection top annular plate, 5 is a tank wall elastic felt, 6 is an inner tank wall, 7 is a concrete annular wall, 8 is an inner tank bottom plate, 9 is a leveling layer, 10 is a foam glass brick, 11 is an upper sliding bottom plate, 12 is a lower thermal angle structure, 13 is a lower layer edge plate, 14 is an elastic supporting part, 15 is a flexible sealing layer, and 16 is an edge baffle plate.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Examples
A double thermal angle protection structure is arranged between inner and outer tanks 1 of a low-temperature storage tank as shown in figures 1-2, and comprises an upper thermal angle structure and a lower thermal angle structure 12;
the upper hot angle structure comprises a hot angle protection wall plate 2, a lower layer edge plate 13, an upper layer sliding bottom plate 11, an edge baffle plate 16 and a flexible sealing layer 15 which are designed to be arranged in a circle around the tank body; the lower layer edge plate 13 is tiled, the thermal angle protection wall plate 2 is vertically arranged at one end of the lower layer edge plate 13 close to the outer tank 1, and the thermal angle protection wall plate 2 and the lower layer edge plate 13 are preferably connected in a 90-degree manner by adopting a fixing mode such as welding and the like; the upper sliding bottom plate 11 is erected on the lower edge plate 13 and can freely slide, specifically, the part of the upper sliding bottom plate 11 erected on the lower edge plate 13 is connected with the main body of the lower edge plate through an inclined or vertical section, and a certain moving space is formed between the lower edge plate 13 and the main body of the upper sliding bottom plate 11.
The edge baffle 16 is vertically arranged on the upper sliding bottom plate 11, and the edge baffle 16 and the upper sliding bottom plate 11 are preferably connected in a 90-degree manner by adopting a fixing mode such as welding and the like; a flexible sealing layer 15 with telescopic performance is laid between the thermal angle protection wall plate 2 and the edge baffle plate 16 along the lower layer edge plate 13 and the upper layer sliding bottom plate 11;
the lower thermal corner structure 12 includes a thermal insulation layer disposed between the upper thermal corner structure and the outer tank 1, which can maintain good thermal insulation performance in a low temperature environment, and as a second protection for the upper thermal corner structure, in this embodiment, the thermal insulation layer may be selected from a foam glass brick, preferably a high-density polyurethane layer, and the polyurethane is disposed by spraying or the like.
A hot corner protection top ring plate 4 is arranged between the top of the heat insulation layer and the hot corner protection wall plate 2, the hot corner protection top ring plate 4 and the hot corner protection wall plate 2 are preferably welded and fixed, and the hot corner protection top ring plate 4 is used for protecting a lower hot corner structure 12.
By adopting the scheme of the embodiment, under the normal allowable condition of the low-temperature medium, the upper sliding bottom plate 11 and the edge baffle 16 can shrink towards the center due to low temperature, and the upper sliding bottom plate 11 can freely slide on the lower edge plate 13 due to overlapping, so that the upper sliding bottom plate and the lower edge plate do not influence each other. The junction of the thermal angle protection wall plate 2 and the lower layer edge plate 13 does not generate temperature difference stress except for self contraction, and the upper thermal angle protection structure cannot be damaged under normal working conditions. When the inner tank has low-temperature medium leakage, the upper sliding bottom plate 11 can also freely contract without generating temperature difference stress, and the flexible sealing layer 15 covers and seals the range between the thermal angle protection wall plate 2 and the edge baffle plate 16, so that the low-temperature medium is prevented from further downward leakage. Even if the upper thermal angle structure is damaged under extreme working conditions, the lower thermal angle structure 12 can still bear the low-temperature impact of a leakage medium without being damaged, and the double protection effect is achieved on the joint of the tank wall and the tank bottom of the outer tank 1.
In this embodiment, the flexible sealing layer 15 is bonded to the thermal corner protection wall plate 2 and the edge guard 16 at both ends by low temperature glue. Adopt the mode that both ends bonded, the centre is the free segment, and the free segment is laid on upper sliding bottom plate 11 and lower floor's marginal board 13 for flexible sealing layer 15's centre free segment possesses certain anti-tear effect when the low temperature shrink owing to have flexible function. In the present embodiment, the flexible sealing layer 15 is preferably a flexible composite fiber cloth made of a glass fiber aluminum material.
In this embodiment, the flexible sealing layer 15 is folded at the edge guard 16, and an elastic support 14 is further provided between the thermal corner protection wall 2 and the edge guard 16, the elastic support 14 is preferably an elastic felt widely used in LNG storage tanks, and the elastic support 14 is used to support the folded portion of the flexible sealing layer 15. Set up folding department, played the effect of flexible expansion joint, further guaranteed that flexible sealing layer 15 can not take place to tear the damage when 11 low temperature shrinkages of upper sliding bottom plate, set up simultaneously elastic support portion 14 and supported flexible sealing layer 15's vertical folding part, guaranteed that flexible sealing layer 15 can not take place to overturn when shrink with kick-back.
This embodiment still provides a low temperature storage tank, including inner tank and outer jar 1, is provided with the aforementioned dual hot angle protection architecture of this embodiment between inner tank and the outer jar 1.
In this embodiment, set gradually jar wall elastic felt 5 and pearlite 3 between the inner wall of jar 1 outside by inner tank jar wall 6, set up foam glass brick 10 or other cold insulation material that have screed-coat 9 between the middle part of inner tank bottom plate 8 and the dual hot angle protection structure, set up concrete ring wall 7 as the support between the both sides of inner tank bottom plate 8 and the dual hot angle protection structure, outer jar 1 is the outer jar of optional concrete or metal, when being the outer jar of concrete, still be provided with the inner wall welt between the inner wall of lower part hot angle structure 12 and outer jar 1.
In this embodiment, the lower edge plate 13 and the upper sliding bottom plate 11 of the dual hot corner protection structure are arranged at the lower part of the concrete ring wall 7, so that the temperature borne by the hot corner protection bottom plate under the normal operation condition is increased to some extent, the low-temperature shrinkage of the bottom plate under the normal operation condition is reduced, the usage amount of the lower hot corner structure 12 is reduced, and the cost is saved.
The low-temperature storage tank of this embodiment has been solved hot angle protection structure low temperature shrink's problem, has improved the security and the stability of low-temperature storage tank.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a dual hot angle protection architecture, sets up between the inner and outer jar of low temperature storage tank, its characterized in that: comprises an upper thermal angle structure and a lower thermal angle structure;
the upper hot corner structure comprises a top ring plate, a hot corner protection wall plate, a lower layer edge plate, an upper layer sliding bottom plate, an edge baffle plate and a flexible sealing layer which are designed to be in a circle around the tank body; the lower layer edge plate is tiled, the thermal angle protection wall plate is vertically arranged at one end of the lower layer edge plate close to the outer tank, the upper layer sliding bottom plate is erected above the lower layer edge plate and can freely slide, the edge baffle plate is vertically arranged on the upper layer sliding bottom plate, and a flexible sealing layer with telescopic performance is arranged between the thermal angle protection wall plate and the edge baffle plate along the lower layer edge plate and the upper layer sliding bottom plate;
the lower thermal angle structure comprises a cold insulation layer arranged between the upper thermal angle structure and the outer tank, and the top annular plate is arranged at the top of the lower thermal angle structure.
2. The dual thermal corner protection structure according to claim 1, wherein both ends of the flexible sealant are bonded to the thermal corner protection wall panel and the edge guard using low temperature glue, respectively.
3. The dual thermal corner protection arrangement according to claim 1, wherein the flexible sealing layer is folded at the edge flap, and a resilient support is further provided between the thermal corner protection wall and the edge flap for supporting the fold of the flexible sealing layer.
4. The dual hot corner protection structure of claim 3, wherein the resilient support is a resilient felt.
5. The dual thermal angle protection structure of claim 1, wherein the lower thermal angle structure is a high density polyurethane layer.
6. The dual thermal corner protection structure of claim 1, wherein the flexible sealing layer is a flexible composite fiber cloth.
7. The dual thermal corner protection structure according to claim 1, wherein the upper sliding bottom plate is connected to the lower sliding bottom plate through an inclined or vertical section, and a space is provided between the lower sliding bottom plate and the upper sliding bottom plate.
8. A low-temperature storage tank is characterized by comprising an inner tank and an outer tank, wherein the double-heat-angle protection structure as claimed in any one of claims 1 to 7 is arranged between the inner tank and the outer tank.
9. The cryogenic storage tank of claim 8, wherein a tank wall elastic felt and perlite are sequentially arranged from the side surface of the inner tank to the inner wall of the outer tank, a cold insulation material with a leveling layer is arranged between the middle part of the bottom of the inner tank and the double heat angle protection structure, and a concrete ring wall is arranged between the two sides of the bottom of the inner tank and the double heat angle protection structure as a support.
10. The cryogenic storage tank of claim 8 wherein the outer tank is a concrete or metal outer tank, and when a concrete outer tank, the outer tank is provided with an inner lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020746816.XU CN212510470U (en) | 2020-05-08 | 2020-05-08 | Dual hot angle protection architecture and low temperature storage tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020746816.XU CN212510470U (en) | 2020-05-08 | 2020-05-08 | Dual hot angle protection architecture and low temperature storage tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486336A (en) * | 2020-05-08 | 2020-08-04 | 中国成达工程有限公司 | Dual hot angle protection architecture and low temperature storage tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486336A (en) * | 2020-05-08 | 2020-08-04 | 中国成达工程有限公司 | Dual hot angle protection architecture and low temperature storage tank |
| CN111486336B (en) * | 2020-05-08 | 2024-06-18 | 中国成达工程有限公司 | Dual thermal angle protection architecture and low temperature storage tank |
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