CN216520148U - Anti-corrosion connecting flange and protection structure thereof - Google Patents
Anti-corrosion connecting flange and protection structure thereof Download PDFInfo
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- CN216520148U CN216520148U CN202122836472.9U CN202122836472U CN216520148U CN 216520148 U CN216520148 U CN 216520148U CN 202122836472 U CN202122836472 U CN 202122836472U CN 216520148 U CN216520148 U CN 216520148U
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Abstract
The utility model relates to the technical field of pipeline connecting pieces, in particular to an anti-corrosion connecting flange and a protection structure thereof. During the use, adopt the anticorrosive coating to wrap up the flange that needs the protection, the inoxidizing coating parcel is sealed completely in the outside of anticorrosive coating to the anticorrosive coating, and does not have the compatibility between the anticorrosive coating that is formed by the coating of oily corrosion inhibitor and the inoxidizing coating that is formed by cellulose acetate butyrate, peels off the inoxidizing coating and overhauls, thereby the inoxidizing coating can not take up the anticorrosive coating and destroy the anticorrosive coating, also peels off the inoxidizing coating more easily, to sum up, this protection architecture both can form abundant protection to flange, also can avoid destroying the anticorrosive coating when peeling off.
Description
Technical Field
The utility model relates to the technical field of pipeline connecting pieces, in particular to an anti-corrosion connecting flange and a protection structure thereof.
Background
The flange connection is the most common and the most important method for pipeline connection, and a flange plate, a gasket and a bolt are mutually connected to form a combination so as to ensure the sealing property of a pipeline or a pipe fitting. Corrosion is one of the main causes of failure of metal flange connections, and once leakage occurs, the consequences can be unpredictable. The existing commonly adopted flange anticorrosion scheme is to coat butter on the flange surface, wrap a protective film on the outer layer of the flange and seal the flange by using an adhesive tape, and the protective film is detached to easily damage the butter on the flange surface during maintenance due to the compatibility of the protective film and the butter, so that the anticorrosion effect is reduced.
SUMMERY OF THE UTILITY MODEL
Accordingly, the present invention provides a protective structure for an anti-corrosion connection flange, in which a protective layer is easily peeled off.
The technical scheme of the utility model is as follows: the utility model provides an anticorrosive flange's protection architecture, includes anticorrosive coating and inoxidizing coating, the inoxidizing coating parcel in the outside of anticorrosive coating, the anticorrosive coating is formed by the coating of oily corrosion inhibitor, the inoxidizing coating parcel in the outside of anticorrosive coating, the inoxidizing coating is the membrane of being made by cellulose acetate butyrate.
Optionally, the thickness of the protective layer is 0.5-3 mm.
Optionally, the protective layer further comprises an ultraviolet-resistant layer, and the ultraviolet-resistant layer wraps the outer side of the protective layer.
Optionally, the ultraviolet-resistant layer is made of polyurethane finish.
Based on the above purpose, the utility model further provides an anti-corrosion connecting flange, which comprises a first flange, a second flange, bolts and a protection structure of the anti-corrosion connecting flange, wherein the first flange and the second flange are connected through the bolts, and the anti-corrosion layer wraps the outer surfaces of the first flange, the second flange and the bolts.
Optionally, a partition plate is arranged between the first flange and the second flange, and the anticorrosive coating wraps the outer side of the partition plate.
Optionally, a first groove is formed in one side, close to the partition plate, of the first flange, a first through hole penetrating to one side, far away from the first groove, of the first flange is formed in the first flange, a second groove is formed in one side, close to the partition plate, of the second flange, a second through hole penetrating to one side, far away from the second groove, of the second flange is formed in the second flange, the first through hole corresponds to the second through hole in position, and when the first flange is connected with the second flange, the first through hole is communicated with the second through hole.
Optionally, the anticorrosive layer and the protective layer are sequentially wrapped on the inner sides of the first through hole and the second through hole.
Optionally, the bolt is a stud bolt.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects:
when the protective structure of the anti-corrosion connecting flange is used, the flange to be protected is wrapped by the anti-corrosion layer, the protective layer is wrapped on the outer side of the anti-corrosion layer to completely seal the anti-corrosion layer, the anti-corrosion layer formed by coating the oily corrosion inhibitor and the protective layer formed by cellulose acetate butyrate do not have compatibility, when the protective layer is peeled off for maintenance, the protective layer cannot be taken up by the protective layer to damage the anti-corrosion layer, and the protective layer is easier to peel off.
Drawings
Fig. 1 is a schematic structural view of a corrosion-resistant connection flange and a protective structure thereof according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a first flange according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second flange according to an embodiment of the present invention.
Description of reference numerals:
100. anticorrosive flange and protection architecture thereof, 1, first flange, 11, first recess, 12, first through-hole, 2, second flange, 21, second recess, 22, second through-hole, 3, bolt, 4, anticorrosive coating, 5, inoxidizing coating, 6, ultraviolet resistance layer, 7, baffle, A, first part, B, second part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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 addition, the terms "first", "second", and the like are employed in the present invention to describe various information, but the information should not be limited to these terms, which are used only to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
Referring to fig. 1, the embodiment provides an anticorrosive flange and protection architecture thereof, including first flange 1, second flange 2, bolt 3, anticorrosive coating 4 and inoxidizing coating 5, first flange 1 passes through bolt 3 with second flange 2 to be connected, anticorrosive coating 4 wraps up in the surface of first flange 1, second flange 2 and bolt 3, inoxidizing coating 5 wraps up in the outside of anticorrosive coating 4, anticorrosive coating 4 is formed by the coating of oily corrosion inhibitor, inoxidizing coating 5 is the membrane of making by cellulose acetate butyrate. Realize the function of connecting through fixed first flange 1 of bolt 3 and second flange 2, anticorrosive coating 4 wraps up in first flange 1, second flange 2 and bolt 3 form anticorrosive protection, inoxidizing coating 5 wraps up and carries out complete sealing to anticorrosive coating 4 in anticorrosive coating 4's the outside, and do not have the compatibility between anticorrosive coating 4 that is formed by the coating of oily corrosion inhibitor and the inoxidizing coating 5 that is formed by cellulose acetate butyrate, when peeling off inoxidizing coating 5 and overhaul, thereby anticorrosive coating 4 can not be taken up to anticorrosive coating 5, also peel off the inoxidizing coating more easily. Specifically, the oily corrosion inhibitor can be a macromolecular carboxylic acid and metal soap oily corrosion inhibitor thereof, can also be ester sulfonate and other sulfur-containing organic compounds, amines and other nitrogen-containing organic compounds, and can also be other oily corrosion inhibitors.
Preferably, in this embodiment, the thickness of the protective layer 5 is 0.5-3 mm, and the amount of the corrosion-resistant layer 4 is 0.3-0.5 kg/cubic meter. Specifically, in this embodiment, the thickness of the protective layer 5 is 1-2 mm, the protective layer 5 is too thick, which increases the overall thickness of the flange and is not beneficial to the use of the flange, when the protective layer 5 is too thin, which causes the protective layer 5 to be shaped, the protective layer in a partial area is easily damaged, when the amount of the corrosion-resistant layer 4 is too large, the fluidity of the corrosion-resistant layer 4 is reduced, which is not beneficial to wrapping the flange, when the amount of the corrosion-resistant layer 4 is small, the content of the oily corrosion inhibitor in the corrosion-resistant layer 4 is small, and the protective effect on the flange is also reduced.
Preferably, in this embodiment, the connecting flange further includes an ultraviolet-resistant layer 6, and the ultraviolet-resistant layer 6 is wrapped on the outer side of the protective layer 5. The weather resistance of the connecting flange is improved through the ultraviolet-resistant layer, and the corrosion-resistant effect is further improved, so that the overall corrosion resistance of the flange is ensured.
Preferably, in this embodiment, the anticorrosive coating 4 is formed and wrapped on the first flange 1, the second flange 2 and the bolt 3 in a spray painting manner, so that the anticorrosive coating 4 can more easily penetrate into the surfaces with complex shapes of the first flange 1, the second flange 2 and the bolt 3, and the fitting degree of the anticorrosive coating 4 with the first flange 1, the second flange 2 and the bolt 3 is increased.
Preferably, in the embodiment, a partition 7 is disposed between the first flange 1 and the second flange 2, and the anticorrosive layer 4 covers the outside of the partition 7. The partition 7 prevents the first flange 1 and the second flange 2 from rotating relative to each other to cause wear of the contact surfaces, thereby preventing the possibility of lowering the sealing performance of the connection flange.
Preferably, referring to fig. 2 and 3, in this embodiment, a first groove 11 is formed on one side of the first flange 1 close to the partition plate 7, a first through hole 12 is formed on the first flange 1 and penetrates from the first groove 11 to one side far away from the first groove 11, a second groove 21 is formed on one side of the second flange 2 close to the partition plate 7, a second through hole 22 is formed on the second flange 2 and penetrates from the second groove 21 to one side far away from the second groove 21, the first through hole 12 corresponds to the second through hole 22, and when the first flange 1 is connected to the second flange 2, the first through hole 12 is communicated with the second through hole 22. When first part A and second part B need to be connected, with partly joint of first part A in first recess 11, another part stretches out from first through-hole 12, partly joint of second part B in second recess 21, another part stretches out from second through-hole 22, locks first through-hole 12 and second through-hole 22 through bolt 3, can realize the connection effect of first flange 1 and second flange 2. Specifically, in the present embodiment, the bolt 3 is a stud bolt 3, which is easier to detach and mount.
Preferably, in this embodiment, the first through hole 12 and the second through hole 22 are sequentially wrapped with the anti-corrosion layer 4, the protective layer 5 and the anti-uv layer 6. Prevent the first part A and the first flange 1, the second part B and the second flange 2 between the existing clearance corrosion when using.
Preferably, in this embodiment, the corrosion-resistant layer 4 is made of a material that does not support combustion, specifically, the components of the corrosion-resistant layer 4 include a composite antirust agent, a corrosion inhibitor and a flame retardant, and an uncured protective film can be formed on the surfaces of the first flange 1 and the second flange 2 for a long time, so as to isolate oxygen, thereby ensuring the antirust effect of the connection flange and avoiding the damage of the corrosion-resistant layer 4 in a hot environment. The protective layer 5 is a film made of cellulose acetate butyrate, gaps among the first flange 1, the second flange 2 and the bolts 3 can be filled in a flowing mode, the protective layer is kept stand and shaped after filling to form a continuous protective layer, and the anti-corrosion layer 4 and the first flange 1, the second flange 2 and the bolts 3 which are wrapped by the anti-corrosion layer 4 are further protected. The ultraviolet-resistant layer 6 is made of polyurethane finish paint, has good chemical resistance and water resistance, further increases the weather resistance of the connecting flange, and enables the connecting flange to be suitable for severe environments such as strong ultraviolet rays and high humidity.
Preferably, in the present embodiment, the surfaces of the anti-corrosion layer 4, the protective layer 5 and the anti-uv layer 6 are required to have no visible layered rust and paint coat, so as to reduce the possibility of uneven thickness of the anti-corrosion layer 4, the protective layer 5 and the anti-uv layer 6.
The anti-corrosion connecting flange has the following beneficial effects:
one, realize the function of connecting through first flange of bolt fastening and second flange, the anticorrosive coating parcel is in first flange, second flange and bolt form anticorrosive protection, the inoxidizing coating parcel is sealed completely the anticorrosive coating in the outside of anticorrosive coating, and does not have the compatibility between the anticorrosive coating that is formed by the coating of oily corrosion inhibitor and the inoxidizing coating that is formed by cellulose acetate butyrate, when peeling off the inoxidizing coating and overhaul, thereby the inoxidizing coating can not take up the anticorrosive coating and destroy the anticorrosive coating, also peel off the inoxidizing coating more easily.
And secondly, the anticorrosive coating is wrapped on the first flange, the second flange and the bolt in a spray painting mode, so that the anticorrosive coating can be easily permeated into the surface with complex shapes of the first flange, the second flange and the bolt, and the attaching degree of the anticorrosive coating and the first flange, the second flange and the bolt is increased.
Thirdly, the connecting flange further comprises an ultraviolet-resistant layer 6, and the ultraviolet-resistant layer 6 is wrapped on the outer side of the protective layer 5. The weather resistance of the connecting flange is improved through the ultraviolet-resistant layer, and the corrosion-resistant effect is further improved, so that the overall corrosion resistance of the flange is ensured.
And the ultraviolet-resistant layer is made of polyurethane finish paint, so that the chemical resistance and the water resistance are good, the weather resistance of the connecting flange is further improved, and the connecting flange is suitable for severe environments such as strong ultraviolet rays and high humidity.
The foregoing is directed to the preferred embodiment of the present invention, and it is understood that various changes and modifications may be made by one skilled in the art without departing from the spirit of the utility model, and it is intended that such changes and modifications be considered as within the scope of the utility model.
Claims (9)
1. The utility model provides an anticorrosive flange's protection architecture, its characterized in that includes anticorrosive coating and inoxidizing coating, the inoxidizing coating parcel in the outside of anticorrosive coating, the anticorrosive coating is formed by the coating of oily corrosion inhibitor, the inoxidizing coating parcel in the outside of anticorrosive coating, the inoxidizing coating is the membrane of being made by cellulose acetate butyrate.
2. The protective structure of an anti-corrosion connection flange according to claim 1, wherein the thickness of the protective layer is 0.5 to 3 mm.
3. The corrosion-resistant attachment flange protective construction according to claim 1, further comprising a uv-resistant layer surrounding the exterior of said protective layer.
4. The corrosion-protected attachment flange protective construction according to claim 3 wherein said UV resistant layer is made of a polyurethane finish.
5. An anti-corrosion connecting flange comprising a first flange, a second flange, bolts, and the protective structure of the anti-corrosion connecting flange according to any one of claims 1 to 4, wherein the first flange and the second flange are connected by the bolts, and wherein the anti-corrosion layer is wrapped around the outer surfaces of the first flange, the second flange, and the bolts.
6. The corrosion-protected flange according to claim 5, wherein a partition is provided between the first and second flanges, and the corrosion-protection layer is wrapped around the outside of the partition.
7. The anti-corrosion connecting flange according to claim 6, wherein a first groove is formed on a side of the first flange close to the partition plate, a first through hole is formed in the first flange from the first groove to a side far from the first groove, a second groove is formed in a side of the second flange close to the partition plate, a second through hole is formed in the second flange from the second groove to a side far from the second groove, the first through hole and the second through hole are correspondingly positioned, and when the first flange is connected with the second flange, the first through hole is communicated with the second through hole.
8. The corrosion-resistant attachment flange according to claim 7 wherein said first through hole and said second through hole are sequentially surrounded on the inside by said corrosion-resistant layer and said protective layer.
9. The anti-corrosion attachment flange according to claim 5 wherein said bolts are studs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122836472.9U CN216520148U (en) | 2021-11-16 | 2021-11-16 | Anti-corrosion connecting flange and protection structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122836472.9U CN216520148U (en) | 2021-11-16 | 2021-11-16 | Anti-corrosion connecting flange and protection structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216520148U true CN216520148U (en) | 2022-05-13 |
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ID=81531101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122836472.9U Active CN216520148U (en) | 2021-11-16 | 2021-11-16 | Anti-corrosion connecting flange and protection structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216520148U (en) |
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2021
- 2021-11-16 CN CN202122836472.9U patent/CN216520148U/en active Active
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