CN214425443U - Marine low-temperature insulation system - Google Patents
Marine low-temperature insulation system Download PDFInfo
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- CN214425443U CN214425443U CN202120367290.9U CN202120367290U CN214425443U CN 214425443 U CN214425443 U CN 214425443U CN 202120367290 U CN202120367290 U CN 202120367290U CN 214425443 U CN214425443 U CN 214425443U
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Abstract
The utility model discloses a marine low temperature insulation system, include at least one deck foam spraying layer, aluminium foil layer and the outer protective layer that sets gradually from inside to outside, the surface of foam spraying layer and aluminium foil layer contact is for having a plurality of bellied rough surfaces, the aluminium foil layer closely attaches on the rough surface on foam spraying layer through the binder layer. The utility model makes the surface of the foam spraying layer into a rough surface with a plurality of bulges, when the introduced aluminum foil layer is closely attached to the rough surface of the foam spraying layer through the binder layer, the aluminum foil layer can have a certain fold degree, so that the tank body/pipeline/ship protective layer or the insulation surface can bear high thermal shrinkage and expansion rate, and the risk of layering or cracking is reduced; the aluminum foil layer can also be used as an additional heat-insulating barrier to prevent leakage; in addition, the insulation system also has the excellent steam blocking function and the excellent heat radiation reflection function of the aluminum foil, and the overall heat insulation performance of the insulation system is greatly improved.
Description
Technical Field
The utility model belongs to low temperature liquefied gas storage system is used in marine work, especially relates to a marine low temperature insulation system for as IMO BC fluid reservoir insulation outer jacket, A type hull insulation surface and pipeline insulation outer jacket etc..
Background
In the prior art, the storage and transportation of cryogenic liquids of marine workers such as liquefied natural gas mostly use plate-type heat insulation structures or spraying heat insulation structures, and the two structures have large expansion and contraction amount easily under the cold state because of the low temperature of the tank body or the high temperature of the environment, and the large expansion and contraction amount easily causes the heat insulation layer to crack or fall off, so that the heat insulation effect is reduced, and therefore people want to find a better solution.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a marine low temperature insulation system.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
low temperature insulation system for marine worker for as IMO BC fluid reservoir insulation outer jacket, A type hull insulation surface and the pipeline insulation outer jacket that marine worker used, including at least one deck foam spraying layer, aluminium foil layer and the outer protective layer that sets gradually from inside to outside, the surface that foam spraying layer and aluminium foil layer contacted is for having a plurality of bellied rough surface, the aluminium foil layer passes through the adhesive layer and closely attaches on the rough surface on foam spraying layer.
Preferably, an anti-cracking reinforcing net is arranged between the foam spraying layers.
More preferably, the anti-cracking reinforcing mesh is a glass fiber mesh or a metal mesh.
More preferably, 2-5 foam spray coatings are included.
Preferably, the thickness of the aluminum foil layer is 0.15mm or less.
Preferably, the marine low-temperature insulation system has a thickness of more than 50mm, and the thickness of the foam spray coating layer from the rough surface to the outermost surface of the marine low-temperature insulation system is 1 to 30 mm.
Preferably, a primer layer is further arranged between the foam spraying layer and the adhesion surface of the foam spraying layer. More preferably, the primer layer is a polyurethane primer layer.
Preferably, the outer protective layer is a polymer coating and/or an FRP layer.
Preferably, the foam spray coating is a polyurethane foam spray coating.
Due to the adoption of the technical scheme, the utility model discloses following technological effect has:
the utility model discloses a marine low temperature insulation system, through making the surface on foam spraying layer have a plurality of bellied rough surface, when the aluminium foil layer that introduces passes through the adhesive layer and closely attaches in the rough surface on foam spraying layer, the aluminium foil layer can have certain fold degree, can compare in directly attached aluminium foil at the flat surface and compare, the total composite area of aluminium foil and insulating surface has been increased, can let the aluminium foil layer become the flexible surface that can resist shrink and inflation in this low temperature insulation system from this, so that can the jar body/pipeline/hull protective layer or insulating surface can bear high thermal contraction and expansion rate, and reduce the risk of layering or crackle; in addition, if an accident or fatigue crack of the steel plate of the tank body/pipeline/ship body occurs, goods permeate into the heat-insulating layer, and the aluminum foil layer can also be used as an additional heat-insulating barrier to prevent leakage; in addition, the insulation system also has the excellent steam blocking function and the excellent heat radiation reflection function of the aluminum foil, so that the overall heat insulation performance of the insulation system is greatly improved; after the outer protective layer is coated outside the aluminum foil layer, a clean dust-free surface is obtained, the practicability is high, and the aluminum foil layer is worthy of popularization.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
As shown in fig. 1, the low-temperature insulation system for maritime work is used as an IMO BC liquid tank insulation outer protection layer, an a-type ship insulation surface, a pipeline insulation outer protection layer and the like for maritime work, in this embodiment, the surface of a liquid tank 10 includes at least one foam spraying layer 1, an aluminum foil layer 2 and an outer protection layer 3 which are sequentially arranged from inside to outside, the surface of the foam spraying layer 1, which is in contact with the aluminum foil layer 2, is a rough surface with a plurality of protrusions 4, and the aluminum foil layer 2 is tightly attached to the rough surface of the foam spraying layer 1 through an adhesive layer 6.
In this embodiment, the aluminum foil layer 2 is tightly adhered to the rough surface of the foam spray coating layer 1 by the adhesive layer 6 through rolling.
An anti-cracking reinforcing net 5 is arranged between the foam spraying layers 1.
The anti-cracking reinforcing mesh 5 is a glass fiber mesh or a metal mesh.
Comprising 2-5 foam spray layers 1.
The thickness of the aluminum foil layer 2 is less than or equal to 0.15 mm.
The thickness of the low-temperature insulation system for maritime work is more than 50mm, and the thickness from the rough surface of the foam spraying layer to the outermost surface in the low-temperature insulation system for maritime work is 1-30 mm.
A primer layer 7 is arranged between the foam spraying layer 1 and the adhesion surface. More preferably, the primer layer 7 is a polyurethane primer layer.
The outer protective layer 3 is a polymer coating and/or an FRP layer. In this example, a polymer coating is used.
The foam spray coating layer 1 is a polyurethane foam spray coating layer.
The utility model discloses a marine low temperature insulation system, through making the surface on foam spraying layer have a plurality of bellied rough surface, when the aluminium foil layer that introduces passes through the adhesive layer and closely attaches in the rough surface on foam spraying layer, the aluminium foil layer can have certain fold degree, can compare in directly attached aluminium foil at the flat surface and compare, the total composite area of aluminium foil and insulating surface has been increased, can let the aluminium foil layer become the flexible surface that can resist shrink and inflation in this low temperature insulation system from this, so that can the jar body/pipeline/hull protective layer or insulating surface can bear high thermal contraction and expansion rate, and reduce the risk of layering or crackle; in addition, if an accident or fatigue crack of the steel plate of the tank body/pipeline/ship body occurs, goods permeate into the heat-insulating layer, and the aluminum foil layer can also be used as an additional heat-insulating barrier to prevent leakage; in addition, the insulation system also has the excellent steam blocking function and the excellent heat radiation reflection function of the aluminum foil, so that the overall heat insulation performance of the insulation system is greatly improved; after the outer protective layer is coated outside the aluminum foil layer, a clean dust-free surface is obtained, the practicability is high, and the aluminum foil layer is worthy of popularization.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (9)
1. Low temperature insulation system for maritime work, its characterized in that includes at least one deck foam spraying layer, aluminium foil layer and the outer protective layer that sets gradually from inside to outside, the surface that foam spraying layer and aluminium foil layer contacted is for having a plurality of bellied rough surface, aluminium foil layer passes through the adhesive layer and closely attaches on the rough surface on foam spraying layer.
2. The marine cryogenic insulation system of claim 1 wherein an anti-cracking reinforcing mesh is provided between each of the foam sprayed layers.
3. Marine marine cryogenic insulation system according to claim 2, wherein the crack resistant reinforcing mesh is a glass fibre mesh or a metal mesh.
4. Marine marine cryogenic insulation system according to claim 1 comprising 2-5 foam sprayed layers.
5. The marine cryogenic insulation system of claim 1 wherein the aluminum foil layer has a thickness of 0.15mm or less.
6. The marine cryogenic insulation system of claim 1 wherein the marine cryogenic insulation system has a thickness of greater than 50mm and the thickness from the rough surface to the outermost surface of the foam sprayed layer in the marine cryogenic insulation system is 1-30 mm.
7. Marine engineering cryogenic insulation system according to claim 1, wherein a primer layer is further provided between the foam sprayed layer and the attachment surface thereof.
8. Marine marine cryogenic insulation system according to claim 1, wherein the outer protective layer is a polymer coating and/or a FRP layer.
9. Marine marine cryogenic insulation system according to claim 1, wherein the foam spray coating is a polyurethane foam spray coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367290.9U CN214425443U (en) | 2021-02-10 | 2021-02-10 | Marine low-temperature insulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367290.9U CN214425443U (en) | 2021-02-10 | 2021-02-10 | Marine low-temperature insulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214425443U true CN214425443U (en) | 2021-10-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120367290.9U Active CN214425443U (en) | 2021-02-10 | 2021-02-10 | Marine low-temperature insulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214425443U (en) |
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2021
- 2021-02-10 CN CN202120367290.9U patent/CN214425443U/en active Active
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