CN213229070U - Nano composite heavy-duty anticorrosive lining for offshore platform - Google Patents

Abstract

The utility model relates to an anticorrosive material field, concretely relates to marine platform nanometer composite heavy duty lining, its characterized in that: the device comprises an atmosphere area anticorrosive lining covering an atmosphere area of an offshore platform, a splashing area anticorrosive lining covering a splashing area of the offshore platform, a tidal range area anticorrosive lining covering a tidal range area of the offshore platform, a full-immersion area anticorrosive lining covering a full-immersion area of the offshore platform and a soil area anticorrosive lining covering a soil area of the offshore platform. Applying anti-corrosion linings with different structures aiming at different parts of the offshore platform; the anti-corrosion bushing in the splashing area adopts a structure combining a metal mesh reinforcing layer, an expansion sleeve and a screw, so that the impact resistance of the bushing can be greatly improved; the tide difference area anticorrosion liner is internally provided with a plurality of fabric composite anticorrosion thixotropes and a polyvinyl acetate layer, and the complete set of the anticorrosion liner is firmly coated on the pile legs of the ocean platform by virtue of the elasticity of the fabric, so that long-acting anticorrosion is realized.

Description

Nano composite heavy-duty anticorrosive lining for offshore platform

Technical Field

The utility model relates to an anticorrosive material field, specificly relate to a marine platform nanometer composite heavy duty coating bush.

Background

The offshore platform is a large offshore operation engineering structure, and a steel structure on the offshore platform is in a corrosive environment of moisture, sea, salt mist and the like for a long time and is corroded by seawater and marine organisms, so that severe corrosion is easily caused. The long-term corrosive environment can seriously harm the safety of the offshore operation platform, the service life of the offshore operation platform is shortened, and the offshore operation platform is very inconvenient to maintain and cannot be regularly maintained like a ship because the offshore operation platform is far away from the land and is erected on the sea surface. The offshore platform can be divided into an atmospheric area, a splashing area, a tidal range area, a full immersion area and a soil area according to different positions and environments, and the corrosion environments of different areas are greatly different, for example, the main corrosion medium in the atmospheric area is sea salt particles in the air, the splashing area is positioned above average sea tide, a wet surface is often formed, the surface is sufficiently nourished, the long-time wet surface and the short-time dry surface have a bottom-crossing effect, the corrosive damage is the largest, the tidal range area is often impacted by sea waves, and a corrosion-resistant lining layer is easy to fall off, so the offshore platform needs long-acting corrosion-resistant measures, the existing offshore platform does not adopt different corrosion-resistant measures aiming at different parts, but adopts a plurality of simple corrosion-resistant emulsions, primers and finishes for corrosion-resistant treatment, the corrosion resistance of the lining is poor, the lining is easy to fall off at the part impacted by sea water, and the service life, accordingly, the present disclosure has been made.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a marine platform nanometer composite heavy anti-corrosion bush to solve the problem that proposes in the background art.

In order to solve the technical problem, the utility model discloses a technical scheme as follows: the nano composite heavy-duty anticorrosive lining for offshore platforms is characterized in that: the device comprises an atmosphere area anticorrosive lining covering an atmosphere area of an offshore platform, a splashing area anticorrosive lining covering a splashing area of the offshore platform, a tidal range area anticorrosive lining covering a tidal range area of the offshore platform, a full-immersion area anticorrosive lining covering a full-immersion area of the offshore platform and a soil area anticorrosive lining covering a soil area of the offshore platform.

Preferably, the atmospheric region anticorrosion liner sequentially comprises an epoxy zinc-rich primer coating and a nano composite latex mud layer from inside to outside.

Preferably, the splash zone anticorrosion liner sleeve sequentially comprises an inorganic zinc-rich primer layer, a metal mesh reinforcing layer and a chlorinated rubber layer from inside to outside, and the metal mesh in the metal mesh reinforcing layer is formed by longitudinally and transversely interweaving stainless steel wires.

Preferably, the anti-corrosion bushing for the splashing area further comprises an expansion sleeve and a screw, the expansion sleeve is embedded on the base material for the splashing area, the screw is locked in the expansion sleeve, the metal mesh reinforcing layer is welded and fixed with a nut of the screw, and a screw rod of the screw is in a conical shape.

Preferably, the material of the expansion sleeve is polytetrafluoroethylene.

Preferably, the anticorrosive bush in tidal range district includes iron oxide red metal priming paint, anticorrosive thixotropy glue film, multilayer fabric layer and poly vinegar layer, the material of multilayer fabric layer is formed by polyester fiber yarn and nylon fiber yarn blending.

Preferably, the full-immersion-area anticorrosive lining sequentially comprises a phosphating primer layer, a thermal spraying zinc-aluminum layer and an antifouling paint layer from inside to outside.

Preferably, the soil region anticorrosion lining sequentially comprises a zinc coating layer, a vinyl intermediate coating layer and a vinyl acrylic coating layer from inside to outside.

Preferably, the vinyl acrylic coating of the soil region anticorrosion lining is covered by a polyurethane finish paint layer.

According to the above description, the utility model provides an offshore platform nanometer composite heavy anti-corrosion bush has following beneficial effect: applying anti-corrosion linings with different structures aiming at different parts of the offshore platform; the inorganic zinc-rich primer layer in the anti-corrosion lining in the splashing area has strong adhesive force with the base material, when the coating is broken, the base material can be protected under the action of the sacrificial anode, and the impact resistance of the lining can be greatly improved due to the combined structure of the metal mesh reinforcing layer, the expansion sleeve and the screw; the tide difference area anticorrosion liner is internally provided with a plurality of fabric composite anticorrosion thixotropes and a polyvinyl acetate layer, and the complete set of fabric composite anticorrosion thixotropes and polyvinyl acetate layers are firmly coated on the pile legs of the ocean platform by virtue of the elasticity of the fabric, so that long-acting anticorrosion is realized; the hot-sprayed zinc-aluminum layer of the full-immersion area anticorrosive lining has excellent corrosion resistance, even if a local surface layer falls off, the local area can be protected through the sacrificial anode, the antifouling paint layer can seal gaps and gaps on the surface of the hot-sprayed zinc-aluminum layer, the air tightness and the water tightness are improved, and the corrosion resistance is improved.

Drawings

Fig. 1 is a structural sectional view of an atmosphere anticorrosion liner.

Fig. 2 is a structural sectional view of the splash zone erosion prevention liner.

Fig. 3 is a front view of the splash zone erosion resistant liner without a chlorinated rubber layer coating.

Fig. 4 is an enlarged schematic view of a portion a of fig. 2.

Fig. 5 is a structural sectional view of the tidal range zone corrosion prevention lining.

Fig. 6 is a structural sectional view of the full immersion zone anticorrosive lining.

Fig. 7 is a structural sectional view of the soil zone corrosion prevention lining.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in the figure, the utility model discloses an offshore platform nanometer composite heavy anti-corrosion bush, including cover in the anticorrosive bush 1 in atmospheric region in the atmospheric region of offshore platform, cover in the anticorrosive bush 2 in the area that splashes of offshore platform, cover in the anticorrosive bush 3 in the tidal range district of offshore platform, cover in the anticorrosive bush 4 in the zone that soaks entirely of offshore platform and cover in the anticorrosive bush 5 in the earth district of offshore platform's earth district.

As shown in fig. 1, the atmospheric region anticorrosive lining 1 sequentially comprises an epoxy zinc-rich primer layer 11 and a nanocomposite latex mud layer 12 from inside to outside.

As shown in fig. 2 to 4, the splash zone anticorrosive lining 2 comprises an inorganic zinc-rich primer layer 21, a metal mesh reinforcement layer 22 and a chlorinated rubber layer 23 in sequence from inside to outside, and the metal mesh in the metal mesh reinforcement layer 22 is formed by longitudinally and transversely interweaving stainless steel wires.

The anti-corrosion bushing 2 in the splashing area further comprises an expansion sleeve 24 and a screw 25, the expansion sleeve 24 is embedded on the base material in the splashing area, the screw 25 is locked in the expansion sleeve 24, the metal mesh reinforcing layer 22 is welded and fixed with a nut of the screw 25, and a screw rod of the screw 25 is conical.

The material of the expansion sleeve 24 is polytetrafluoroethylene.

As shown in fig. 5, the tidal range zone anticorrosion liner 3 comprises an iron oxide red metal primer 31, an anticorrosion thixotrope layer 32, a plurality of fabric layers 33 and a polyvinyl acetate layer 34, wherein the fabric layers 33 are made of polyester fiber yarns and nylon fiber yarns through blending.

As shown in FIG. 6, the full immersion area anticorrosive lining 4 comprises a phosphating primer layer 41, a thermal spraying zinc-aluminum layer 42 and an antifouling paint layer 43 from inside to outside in sequence.

As shown in fig. 7, the soil region corrosion-resistant lining 5 includes a zinc coating layer 51, a vinyl intermediate coating layer 52, and a vinyl acryl coating layer 53 in this order from the inside to the outside.

The vinyl acrylic coating 53 of the mud zone anticorrosive lining 5 is covered with a polyurethane top coat layer 54.

Applying anti-corrosion linings with different structures aiming at different parts of the offshore platform; the inorganic zinc-rich primer layer 21 in the anti-corrosion lining sleeve 2 in the splashing area has strong adhesive force with the base material, when the coating is broken, the base material can be protected under the action of the sacrificial anode, and the impact resistance of the lining sleeve can be greatly improved due to the combined structure of the metal mesh reinforcing layer 22, the expansion sleeve 24 and the screw 25; the tide difference area anticorrosion bushing 3 adopts a plurality of layers of fabric composite anticorrosion thixotropes and a polyvinyl acetate layer 34, and the complete set of the anticorrosion bushings are firmly coated on the pile legs of the ocean platform by virtue of the elasticity of the fabrics, so that long-acting anticorrosion is realized; the hot-sprayed zinc-aluminum layer 42 of the full-immersion area anticorrosive lining 4 has excellent corrosion resistance, and even if a local surface layer falls off, the local area can be protected by the sacrificial anode, and the antifouling paint layer 43 can seal gaps and clearances on the surface of the hot-sprayed zinc-aluminum layer 42, so that the air tightness and the water tightness are improved, and the corrosion resistance is improved.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

The aforesaid is only a plurality of concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims (4)

1. The nano composite heavy-duty anticorrosive lining for offshore platforms is characterized in that: including the anticorrosive bush in atmospheric region who covers in the atmospheric region of offshore platform, cover the anticorrosive bush in the district that splashes of offshore platform, cover the anticorrosive bush in the tidal range district of offshore platform, cover the anticorrosive bush in the full district that soaks of offshore platform and cover the anticorrosive bush in the earth district of offshore platform, the anticorrosive bush in atmospheric region includes epoxy zinc-rich primer layer and nanometer composite latex mud layer from inside to outside in proper order, the anticorrosive bush in district that splashes includes inorganic zinc-rich primer layer, metal mesh reinforced layer and chlorinated rubber layer from inside to outside in proper order, the intraformational metal mesh of metal mesh reinforced layer is interweaved with great ease by stainless steel wire and forms, the anticorrosive bush in tidal range district includes indisputable metal primer, anticorrosive thixotropic glue film, multilayer fabric layer and polyvinegar layer, the material of multilayer fabric layer is formed by polyester fiber yarn and nylon fiber yarn blending, the full-immersion area anticorrosive lining sequentially comprises a phosphating priming paint layer, a hot spraying zinc-aluminum layer and an antifouling paint layer from inside to outside, and the soil area anticorrosive lining sequentially comprises a zinc coating layer, a vinyl intermediate coating layer and a vinyl propylene coating layer from inside to outside.

2. The offshore platform nanocomposite, heavy duty liner according to claim 1, wherein: the anti-corrosion bushing for the splashing area further comprises an expansion sleeve and a screw, the expansion sleeve is embedded on the base material for the splashing area, the screw is locked in the expansion sleeve, the metal mesh reinforcing layer is welded and fixed with a nut of the screw, and a screw rod of the screw is in a conical shape.

3. The offshore platform nanocomposite heavy duty liner according to claim 2, wherein: the material of expansion sleeve is polytetrafluoroethylene.

4. The offshore platform nanocomposite, heavy duty liner according to claim 1, wherein: and a polyurethane finish paint layer covers the vinyl propylene coating of the soil area anticorrosion lining.

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