CN213575996U - Anticorrosive steel pipe with colored antistatic flame retardant property - Google Patents
Anticorrosive steel pipe with colored antistatic flame retardant property Download PDFInfo
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- CN213575996U CN213575996U CN202021993735.6U CN202021993735U CN213575996U CN 213575996 U CN213575996 U CN 213575996U CN 202021993735 U CN202021993735 U CN 202021993735U CN 213575996 U CN213575996 U CN 213575996U
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Abstract
The utility model relates to an anti-corrosion steel pipe with colored antistatic flame retardant property, which comprises a base pipe, an inner elastic coating, an inner adhesive coating, an inner colored antistatic flame retardant coating, an outer elastic coating, an outer adhesive coating and an outer colored antistatic flame retardant coating; the inner elastic coating is positioned on the inner surface of the base pipe, the inner adhesive coating is positioned on the outer side of the inner elastic coating, and the inner colored antistatic flame-retardant coating is positioned on the outer side of the inner adhesive coating; the outer elastic coating is located the surface of parent tube, and outer sticky coating is located outer elastic coating's the outside, and outer colored antistatic flame retardant coating is located outer sticky coating's the outside. The obtained pipeline can display different colors and has excellent antistatic, flame retardant and corrosion resistant performances on the whole.
Description
Technical Field
The utility model belongs to the technical field of the pipeline is anticorrosive, concretely relates to anticorrosive steel pipe with colored antistatic flame retardant property.
Background
The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
In the special fields of coal mines and the like, the static electricity generated by the pipeline products for the mines in the process of conveying media has great potential safety hazard, so the pipeline products for the mines need to meet the index requirements of flame retardance and static electricity resistance specified in the MT 181-1988 standard. At present, due to the prior art, the fused epoxy powder coating anticorrosion steel pipe product with the static electricity conducting and flame retardant properties mostly uses conductive carbon black or conductive graphite materials as conductive materials, and the color of the anticorrosion steel pipe can only be black.
The underground coal mine pipelines are divided into water supply pipes, water discharge pipes, compressed air pipes, guniting pipes, gas drainage pipes and the like according to purposes, different pipelines are intensively and overhead laid on the wall of a roadway and are all black pipelines, when the roadway is abnormal and the pipelines need to be opened and closed, a medium conveyed in each pipeline and the specific purpose of the medium cannot be rapidly distinguished, the abnormal processing efficiency is further influenced, and the distinguishing degree is possibly lower if the medium is distinguished through thinking.
The currently used color plastic-coated steel pipe cannot meet the antistatic flame-retardant requirement, and has extremely high use risk under a mine.
SUMMERY OF THE UTILITY MODEL
To the problems existing in the prior art, the utility model aims to provide an anticorrosive steel pipe with colored antistatic flame retardant property.
In order to solve the technical problem, the technical scheme of the utility model is that:
an anticorrosion steel pipe with colored antistatic flame retardant properties comprises a base pipe, an inner elastic coating, an inner adhesive coating, an inner colored antistatic flame retardant coating, an outer elastic coating, an outer adhesive coating and an outer colored antistatic flame retardant coating;
the inner elastic coating is positioned on the inner surface of the base pipe, the inner adhesive coating is positioned on the outer side of the inner elastic coating, and the inner colored antistatic flame-retardant coating is positioned on the outer side of the inner adhesive coating;
the outer elastic coating is located the surface of parent tube, and outer sticky coating is located outer elastic coating's the outside, and outer colored antistatic flame retardant coating is located outer sticky coating's the outside.
The inner color antistatic flame-retardant coating and the outer color antistatic flame-retardant coating are sintered epoxy powder coatings and have the functions of static resistance and flame retardance. The obtained pipeline can display different colors and has excellent antistatic, flame retardant and corrosion resistant performances on the whole.
The utility model discloses one or more technical scheme has following beneficial effect:
the inner elastic coating and the outer elastic coating are arranged to help buffer external force and improve the corrosion resistance of the pipe body. The inner color antistatic flame-retardant coating and the outer color antistatic flame-retardant coating both have antistatic flame-retardant effects, the color coatings have the effect of displaying colors compared with common black antistatic flame-retardant coatings, different colors can be set for pipelines with different purposes, and the problem that the pipelines cannot be distinguished in the underground coal mine is solved.
An inner adhesive coating is arranged between the inner elastic coating and the inner colored antistatic flame-retardant coating, and an outer adhesive coating is arranged between the outer elastic coating and the outer colored antistatic flame-retardant coating, so that the cohesiveness between the elastic coating and the colored antistatic flame-retardant coating can be improved.
The obtained pipeline can display different colors and has excellent antistatic, flame retardant and corrosion resistant performances on the whole.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the invention and not to limit the invention unduly.
FIG. 1 is a cross-sectional view of an anticorrosive steel pipe having colored antistatic flame retardant properties;
the coating comprises a base pipe 1, an inner elastic coating 2, an inner adhesive layer 3, an inner colored antistatic flame-retardant coating 4, an outer elastic coating 5, an outer adhesive layer 6 and an outer colored antistatic flame-retardant coating 7.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
An anticorrosion steel pipe with colored antistatic flame retardant properties comprises a base pipe, an inner elastic coating, an inner adhesive coating, an inner colored antistatic flame retardant coating, an outer elastic coating, an outer adhesive coating and an outer colored antistatic flame retardant coating;
the inner elastic coating is positioned on the inner surface of the base pipe, the inner adhesive coating is positioned on the outer side of the inner elastic coating, and the inner colored antistatic flame-retardant coating is positioned on the outer side of the inner adhesive coating;
the outer elastic coating is located the surface of parent tube, and outer sticky coating is located outer elastic coating's the outside, and outer colored antistatic flame retardant coating is located outer sticky coating's the outside.
The inner color antistatic flame-retardant coating and the outer color antistatic flame-retardant coating are sintered epoxy powder coatings and have the functions of static resistance and flame retardance.
As a further technical scheme, the inner color antistatic flame-retardant coating and the outer color antistatic flame-retardant coating are respectively composed of fusion bonding epoxy powder materials, and the fusion bonding epoxy powder materials comprise the following raw materials in parts by weight: 40-60 parts of epoxy resin, 8-12 parts of phenolic curing agent, 20-30 parts of antistatic flame-retardant master batch, 2.6-12.5 parts of additive, 10-40 parts of nano filler and 1-5 parts of pigment;
the antistatic flame-retardant master batch comprises the following raw materials in parts by weight: 10-20 parts of carbon nanofiber, 10-20 parts of conductive mica, 5-30 parts of conductive titanium dioxide, 10-20 parts of a flame retardant, 0.5-1 part of a powder coupling agent and 40-60 parts of epoxy resin.
As a further technical scheme, the inner adhesive coating and the outer adhesive coating are respectively powder coatings containing graft copolymers. Mainly plays a role in binding the elastic coating and the colored antistatic flame-retardant coating.
As a further technical scheme, the inner elastic coating and the outer elastic coating are one of a polyurethane powder coating and an epoxy resin powder coating. Has the functions of buffering external force, protecting base pipe and preventing corrosion.
As a further technical scheme, the thicknesses of the inner elastic coating and the outer elastic coating are respectively 100-200 mu m.
As a further technical scheme, the thicknesses of the inner adhesive coating and the outer adhesive coating are respectively 50-100 μm.
As a further technical scheme, the thicknesses of the inner colored antistatic flame-retardant coating and the outer colored antistatic flame-retardant coating are respectively 150-500 mu m.
As shown in fig. 1, the anticorrosive steel pipe comprises, from inside to outside, an inner colored antistatic flame-retardant coating 4, an inner adhesive layer 3, an inner elastic coating 2, a base pipe 1, an outer elastic coating 5, an outer adhesive layer 6, and an outer colored antistatic flame-retardant coating 7. The inner elastic coating 2 and the outer elastic coating 5 are polyurethane powder coatings, and the inner colored antistatic flame-retardant coating 4 and the outer colored antistatic flame-retardant coating 7 are fusion bonded epoxy powder anticorrosive coatings.
The anti-corrosion steel pipe is applied to the special fields of coal mines and the like, the static electricity generated in the process of conveying media by the mine pipeline product has great potential safety hazard, the inner colored anti-static flame-retardant coating and the outer colored anti-static flame-retardant coating of the anti-corrosion steel pipe are both sintered epoxy powder anti-corrosion coatings, and both have anti-static flame-retardant performance and can lead out the static electricity generated in the conveying media by the pipeline.
The inside and outside of parent tube 1 is provided with interior elastic coating 2 and outer elastic coating 5, because the steel pipe inner wall produces certain pressure at the transport medium in-process, the outside can receive the pressure of external environment conduction, for the compressive property who improves the body, improves the elasticity of body, so set up elastic coating.
The color antistatic flame-retardant coating is a coating with a certain identification function, because underground coal mine pipelines are divided into water supply pipes, water discharge pipes, air compression pipes, slurry spraying pipes, gas drainage pipes and the like according to purposes, the pipes with different purposes cannot be quickly and accurately identified in the underground environment. Through setting up the colored coating, can realize quick discernment pipeline in the kind of transport medium, improve the security under the mine.
The color antistatic flame-retardant coating further comprises an inner adhesive layer 3 and an outer adhesive layer 6, wherein the adhesive layer is positioned between the elastic coating and the color antistatic flame-retardant coating. The adhesive coating can improve the bonding strength of the colored antistatic flame-retardant coating and the elastic coating. The falling off of the colored antistatic flame-retardant coating is avoided.
The colored antistatic flame-retardant coating is composed of a sintered epoxy powder material, and the sintered epoxy powder material comprises the following raw materials in parts by weight: 50 parts of epoxy resin, 12 parts of phenolic curing agent, 20 parts of antistatic flame-retardant master batch, 6 parts of additive, 10 parts of nano filler, 1 part of red pigment and 1 part of titanium dioxide.
The antistatic flame-retardant master batch comprises the following raw materials in parts by weight: 20 parts of carbon nanofiber, 10 parts of conductive mica, 5 parts of conductive titanium dioxide, 20 parts of a flame retardant, 1 part of a powder coupling agent and 44 parts of epoxy resin.
The raw materials of the antistatic flame-retardant master batch are mixed in a high-speed mixer, then extruded into sheets through a double-screw extruder, and ground through a pulverizer to prepare the antistatic flame-retardant master batch.
The raw materials of the sintered epoxy powder material are uniformly mixed in a high-speed mixer, then extruded into sheets by a double-screw extruder, and ground by a flour mill to prepare the red antistatic flame-retardant powder.
The base pipe is heated to 170-200 ℃ by a container type heating furnace or medium frequency after being derusted, an elastomer layer, an adhesive layer and a red antistatic flame-retardant coating are sequentially coated on the inner wall and the outer wall of the base pipe, and a red antistatic flame-retardant anticorrosive steel pipe product is prepared after curing.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An anticorrosive steel pipe with colored antistatic flame retardant property which characterized in that: comprises a base pipe, an inner elastic coating, an inner adhesive coating, an inner colored antistatic flame-retardant coating, an outer elastic coating, an outer adhesive coating and an outer colored antistatic flame-retardant coating;
the inner elastic coating is positioned on the inner surface of the base pipe, the inner adhesive coating is positioned on the outer side of the inner elastic coating, and the inner colored antistatic flame-retardant coating is positioned on the outer side of the inner adhesive coating;
the outer elastic coating is located the surface of parent tube, and outer sticky coating is located outer elastic coating's the outside, and outer colored antistatic flame retardant coating is located outer sticky coating's the outside.
2. An anticorrosive steel pipe having colored antistatic flame retardant properties according to claim 1, characterized in that: the inner adhesive coating and the outer adhesive coating are respectively powder coatings containing graft copolymers.
3. An anticorrosive steel pipe having colored antistatic flame retardant properties according to claim 1, characterized in that: the inner elastic coating and the outer elastic coating are respectively one of a polyurethane powder coating and an epoxy resin powder coating.
4. An anticorrosive steel pipe having colored antistatic flame retardant properties according to claim 3, characterized in that: the thicknesses of the inner elastic coating and the outer elastic coating are respectively 100-200 mu m.
5. An anticorrosive steel pipe having colored antistatic flame retardant properties according to claim 1, characterized in that: the thickness of the inner adhesive coating and the thickness of the outer adhesive coating are respectively 50-100 μm.
6. An anticorrosive steel pipe having colored antistatic flame retardant properties according to claim 1, characterized in that: the thicknesses of the inner color antistatic flame-retardant coating and the outer color antistatic flame-retardant coating are respectively 150-500 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021993735.6U CN213575996U (en) | 2020-09-11 | 2020-09-11 | Anticorrosive steel pipe with colored antistatic flame retardant property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021993735.6U CN213575996U (en) | 2020-09-11 | 2020-09-11 | Anticorrosive steel pipe with colored antistatic flame retardant property |
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| Publication Number | Publication Date |
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| CN213575996U true CN213575996U (en) | 2021-06-29 |
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| CN202021993735.6U Active CN213575996U (en) | 2020-09-11 | 2020-09-11 | Anticorrosive steel pipe with colored antistatic flame retardant property |
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| CN (1) | CN213575996U (en) |
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