CN220581886U - Spray polyurea composite anti-corrosion coating structure for pipeline - Google Patents
Spray polyurea composite anti-corrosion coating structure for pipeline Download PDFInfo
- Publication number
- CN220581886U CN220581886U CN202322147619.2U CN202322147619U CN220581886U CN 220581886 U CN220581886 U CN 220581886U CN 202322147619 U CN202322147619 U CN 202322147619U CN 220581886 U CN220581886 U CN 220581886U
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- CN
- China
- Prior art keywords
- silica aerogel
- aerogel felt
- aluminum foil
- grinding
- foil composite
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- 239000002131 composite material Substances 0.000 title claims abstract description 68
- 229920002396 Polyurea Polymers 0.000 title claims abstract description 57
- 239000011248 coating agent Substances 0.000 title claims abstract description 57
- 238000000576 coating method Methods 0.000 title claims abstract description 57
- 239000007921 spray Substances 0.000 title claims abstract description 33
- 238000005260 corrosion Methods 0.000 title claims abstract description 23
- 239000004965 Silica aerogel Substances 0.000 claims abstract description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 39
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 39
- 239000011888 foil Substances 0.000 claims abstract description 39
- 239000005030 aluminium foil Substances 0.000 claims abstract description 28
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 25
- 238000005507 spraying Methods 0.000 claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 5
- -1 graphite alkene Chemical class 0.000 claims description 12
- 230000007797 corrosion Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 230000001965 increasing effect Effects 0.000 abstract description 7
- 230000002776 aggregation Effects 0.000 abstract description 2
- 238000004220 aggregation Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000004964 aerogel Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
The utility model discloses a spray polyurea composite anti-corrosion coating structure for a pipeline, which comprises the following components: spraying polyurea coating, aluminium foil composite bed, reinforcing silica aerogel felt and pipeline, aluminium foil composite bed stacks in spraying polyurea coating's inboard, reinforcing silica aerogel felt stacks in reinforcing silica aerogel felt's inboard, reinforcing silica aerogel felt sets up in the outside of pipeline, be provided with between spraying polyurea coating and the aluminium foil composite bed and hug closely spraying polyurea coating and aluminium foil composite bed's first enhancement grinding frame. The first grinding-increasing frame and the second grinding-increasing frame which are formed by the graphene ring made of graphene and the grinding-increasing strip are respectively supported between the spray polyurea coating and the aluminum foil composite layer and between the reinforced silica aerogel felt and the aluminum foil composite layer, so that the friction force between the spray polyurea coating and the aluminum foil composite layer is increased, and in addition, the structure of the grinding-increasing strip can provide an aggregation space for gas compression during underwater use.
Description
Technical Field
The utility model relates to the technical field of pipeline corrosion prevention, in particular to a spray polyurea composite corrosion-resistant coating structure for pipelines.
Background
The disclosed patent CN202223080661.9, having an aerogel/spray polyurea composite heat-insulating and corrosion-preventing coating for a pipe, a pipe provided with a heat-insulating and corrosion-preventing coating, comprises a spray polyurea coating, an aluminum foil layer laminated on the inner side of the spray polyurea coating, and a ceramic fiber reinforced silica aerogel felt laminated on the inner side of the aluminum foil layer; the aluminum foil layer comprises a first reflective aluminum foil outer layer and a second reflective aluminum foil outer layer, and polyethylene foam clamped between the first reflective aluminum foil outer layer and the second reflective aluminum foil outer layer. The composite heat-insulating anticorrosive coating uses a ceramic fiber reinforced silica aerogel felt material as a heat-insulating material, has low specific gravity and excellent heat-insulating effect, and has better fire resistance, bending resistance and tensile strength and mechanical vibration resistance; the aluminum foil layer has lighter weight, smaller density and better heat insulation and reflection effects; the spray-type polyurea material of the outermost coating is completely compact and seamless, and has excellent wear resistance, corrosion resistance and seepage resistance.
But the spray-type polyurea material of the outermost coating contacts with the aluminum foil layer, and the aluminum foil layer comprises a first reflective aluminum foil outer layer, a second reflective aluminum foil outer layer and polyethylene foam clamped between the first reflective aluminum foil outer layer and the second reflective aluminum foil outer layer, so that the adhesion between the spray-type polyurea material and the reflective aluminum foil is small, the anti-capability is poor, and then the spray-type polyurea material is easy to locally peel off under the underwater high-pressure environment, and the service life is further influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a spray polyurea composite anti-corrosion coating structure for a pipeline, which solves the problems described in the prior art.
The utility model also provides a spray polyurea composite anti-corrosion coating structure for a pipeline, which comprises the following components: spraying polyurea coating, aluminium foil composite bed, reinforcing silica aerogel felt and pipeline, the aluminium foil composite bed stacks in the inboard of spraying polyurea coating, reinforcing silica aerogel felt stacks in the inboard of reinforcing silica aerogel felt, reinforcing silica aerogel felt sets up in the outside of pipeline, be provided with the first enhancement mill frame of hugging closely spraying polyurea coating and aluminium foil composite bed between spraying polyurea coating and the aluminium foil composite bed, reinforcing silica aerogel felt and aluminium foil composite bed are provided with the second enhancement mill frame of hugging closely reinforcing silica aerogel felt and aluminium foil composite bed, first enhancement mill frame and second enhancement mill frame all have the graphite alkene circle of interval distribution and increase the mill strip and constitute, the both ends of increasing the mill strip are fixed between the graphite alkene circle.
According to the spray polyurea composite anti-corrosion coating structure for the pipeline, the aluminum foil composite layer comprises a first reflecting aluminum foil outer layer, a second reflecting aluminum foil outer layer and polyethylene foam clamped between the first reflecting aluminum foil outer layer and the second reflecting aluminum foil outer layer.
According to the spray polyurea composite anti-corrosion coating structure for the pipeline, the reinforced silica aerogel felt is a silica aerogel felt reinforced by ceramic fibers.
According to the spray polyurea composite anti-corrosion coating structure for the pipeline, the grinding strip spirals of the first grinding increasing frame and the second grinding increasing frame are correspondingly distributed on the outer sides of the aluminum foil composite layer and the reinforced silica aerogel felt.
According to the spray polyurea composite anti-corrosion coating structure for the pipeline, the spiral directions of the grinding bars of the first grinding increasing frame and the second grinding increasing frame are opposite.
According to the spray polyurea composite anti-corrosion coating structure for the pipeline, the section of the grinding strip is of a C-shaped bent H-shaped structure.
According to the spray polyurea composite anti-corrosion coating structure for the pipeline, the grinding bars are made of graphene materials.
According to the spray polyurea composite anti-corrosion coating structure for the pipeline, anti-slip structures are arranged on the inner side of the graphene ring and on the inner side and the outer side of the C-shaped bend of the grinding strip.
The utility model has the following beneficial effects:
according to the utility model, the first grinding-increasing frame and the second grinding-increasing frame which are formed by the graphene ring made of graphene and the grinding-increasing strip are respectively supported between the spray polyurea coating and the aluminum foil composite layer and between the reinforced silica aerogel felt and the aluminum foil composite layer, so that the friction force between the spray polyurea coating and the aluminum foil composite layer is increased, and in addition, the structure of the grinding-increasing strip can provide an aggregation space for gas compression during underwater use.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic structural view of a spray polyurea composite corrosion protection coating structure for pipes according to the present utility model;
FIG. 2 is a schematic diagram of the structure of the friction enhancing frame in the spray polyurea composite anticorrosive coating structure for pipelines according to the present utility model;
FIG. 3 is a schematic diagram of the structure of the wear-enhancing strip in the spray polyurea composite corrosion protection coating structure for pipes of the present utility model.
Legend description:
1. spraying a polyurea coating; 2. reinforcing the silica aerogel blanket; 3. a polyethylene foam; 4. a pipe; 5. a graphene ring; 6. and (5) adding grinding bars.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-3, the spray polyurea composite corrosion protection coating structure for pipes according to the embodiment of the present utility model includes: spraying polyurea coating 1, aluminium foil composite layer 2, reinforcing silica aerogel felt 3 and pipeline 4, aluminium foil composite layer 2 range upon range of inboard in spraying polyurea coating 1, reinforcing silica aerogel felt 3 range upon range of in reinforcing silica aerogel felt 3's inboard, reinforcing silica aerogel felt 3 sets up in pipeline 4's outside, be provided with the first enhancement mill frame of hugging closely spraying polyurea coating 1 and aluminium foil composite layer 2 between spraying polyurea coating 1 and the aluminium foil composite layer 2, reinforcing silica aerogel felt 3 and aluminium foil composite layer 2 are provided with the second enhancement mill frame of hugging closely reinforcing silica aerogel felt 3 and aluminium foil composite layer 2, first enhancement mill frame and second enhancement mill frame all have the graphite alkene circle 5 of interval distribution and increase mill 6 and constitute, increase the both ends of mill 6 and fix between graphite alkene circle 5, aluminium foil composite layer 2 includes first reflection aluminium foil outer and second reflection aluminium foil outer and presss from both sides the polyethylene foam at first reflection aluminium foil outer, reinforcing silica aerogel felt 3 is the silica aerogel felt that is by ceramic fiber reinforcing, above-mentioned increase the relative motion resistance of spraying polyurea coating 1 and aluminium foil composite layer 2 through first enhancement mill frame improvement, increase the relative motion resistance of the aluminium foil 2.
The first grinding frame and the second grinding frame are correspondingly distributed on the outer sides of the aluminum foil composite layer 2 and the reinforced silica aerogel felt 3 in a spiral mode, the spiral directions of the first grinding frame and the second grinding frame are opposite, the cross section of each grinding frame 6 is of a C-shaped bent H-shaped structure, each grinding frame 6 is made of graphene materials, namely each grinding frame 6 is correspondingly supported between the spraying polyurea coating 1 and the aluminum foil composite layer 2 and between the reinforced silica aerogel felt 3 and the aluminum foil composite layer 2, the thickness of each grinding frame 6 is 1.5mm, the diameters of the inner ring and the outer ring of each grinding frame 6 and the corresponding graphene ring 5 are equal, and a space is provided for the spraying polyurea composite anti-corrosion coating structure for the pipeline under high-pressure gas extrusion through gaps of the H-shaped structures of the grinding frames 6.
The inner side of the graphene ring 5 and the inner and outer sides of the C-shaped bend of the polishing strip 6 are both provided with anti-slip structures, including but not limited to anti-slip grooves and anti-slip convex balls, for improving the friction force of the aluminum foil composite layer 2 or the reinforced silica aerogel felt 3 contacted with the inner side of the graphene ring 5, and the polishing strip 6 is used for further improving the friction force between the spray polyurea coating 1 and the aluminum foil composite layer 2 or the reinforced silica aerogel felt 3 and the aluminum foil composite layer 2.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. The spray polyurea composite anticorrosive coating structure for the pipeline comprises the following components: spraying polyurea coating (1), aluminium foil composite layer (2), reinforcing silica aerogel felt (3) and pipeline (4), aluminium foil composite layer (2) range upon range of inboard in spraying polyurea coating (1), reinforcing silica aerogel felt (3) range upon range of inboard in reinforcing silica aerogel felt (3), reinforcing silica aerogel felt (3) set up in the outside of pipeline (4), its characterized in that is provided with between spraying polyurea coating (1) and aluminium foil composite layer (2) and hugs closely first the mill frame that adds of spraying polyurea coating (1) and aluminium foil composite layer (2), reinforcing silica aerogel felt (3) and aluminium foil composite layer (2) are provided with the second that hugs closely reinforcing silica aerogel felt (3) and aluminium foil composite layer (2) and increase mill frame, first the mill frame that increases with the second increases mill frame and all have the graphite alkene circle (5) and the mill strip (6) of interval distribution to constitute, the both ends that increase strip (6) are fixed between graphite alkene circle (5).
2. The spray polyurea composite corrosion protection coating structure for a pipe according to claim 1, wherein the aluminum foil composite layer (2) comprises a first reflective aluminum foil outer layer and a second reflective aluminum foil outer layer, and polyethylene foam sandwiched between the first reflective aluminum foil outer layer and the second reflective aluminum foil outer layer.
3. The spray polyurea composite corrosion protection coating structure for pipes according to claim 2, wherein the reinforced silica aerogel blanket (3) is a silica aerogel blanket reinforced with ceramic fibers.
4. The spray polyurea composite anticorrosive coating structure for pipes according to claim 3, wherein the grinding strips (6) of the first grinding enhancing frame and the second grinding enhancing frame are correspondingly distributed on the outer sides of the aluminum foil composite layer (2) and the reinforced silica aerogel felt (3) in a spiral manner.
5. The spray polyurea composite corrosion protection coating structure for a pipe according to claim 4, wherein the first and second wear-enhancing frames have opposite helical directions of the wear-enhancing bars (6).
6. The spray polyurea composite corrosion protection coating structure for pipes according to claim 5, wherein the cross section of the wear strip (6) is in a C-curved H-shaped structure.
7. The spray polyurea composite corrosion protection coating structure for pipes according to claim 6, wherein the wear strips (6) are each made of graphene material.
8. The spray polyurea composite anticorrosive coating structure for pipes according to claim 7, wherein the inner side of the graphene ring (5) and the inner and outer sides of the C-shaped bend of the wear-increasing bar (6) are both provided with an anti-slip structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322147619.2U CN220581886U (en) | 2023-08-10 | 2023-08-10 | Spray polyurea composite anti-corrosion coating structure for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322147619.2U CN220581886U (en) | 2023-08-10 | 2023-08-10 | Spray polyurea composite anti-corrosion coating structure for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220581886U true CN220581886U (en) | 2024-03-12 |
Family
ID=90109811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322147619.2U Active CN220581886U (en) | 2023-08-10 | 2023-08-10 | Spray polyurea composite anti-corrosion coating structure for pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220581886U (en) |
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2023
- 2023-08-10 CN CN202322147619.2U patent/CN220581886U/en active Active
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