CN112076965A - Preparation method of wear-resistant and corrosion-resistant pipeline for fluid transportation - Google Patents
Preparation method of wear-resistant and corrosion-resistant pipeline for fluid transportation Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
- B05D5/083—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
- B05D7/146—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies to metallic pipes or tubes
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- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
- B05D7/222—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of pipes
- B05D7/225—Coating inside the pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2254/00—Tubes
- B05D2254/04—Applying the material on the interior of the tube
- B05D2254/06—Applying the material on the interior and exterior of the tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2504/00—Epoxy polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2506/00—Halogenated polymers
- B05D2506/10—Fluorinated polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2518/00—Other type of polymers
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Abstract
The invention relates to the related field of preparation of conveying pipelines, and particularly discloses a preparation method of a wear-resistant and corrosion-resistant pipeline for fluid conveying, which comprises the following steps: s1, preparing a basic pipeline; s2, primary processing of the pipeline; s3, preparing anticorrosive slurry; s4, secondary treatment of the pipeline; s5, preparing wear-resistant slurry; s6, processing the pipeline for three times; s7, collecting by a pipeline; through anticorrosive coating and the wearing layer that sets up on the alloy pipeline, improved anticorrosive and wear resistance of pipeline, prolonged the life of pipeline, and the raw materials source of anticorrosive coating and wearing layer is extensive, is fit for industrial production.
Description
Technical Field
The invention relates to the related field of preparation of conveying pipelines, in particular to a preparation method of a wear-resistant and corrosion-resistant pipeline for fluid conveying.
Background
The alloy pipeline has a hollow cross section, is used as a pipeline for conveying a large amount of fluid, such as pipelines for conveying petroleum, natural gas, coal gas, water and certain solid materials, and the like, the existing alloy pipeline has poor wear resistance and corrosion resistance, and the alloy pipeline is seriously worn due to long-term use, so that the service life of the alloy pipeline is limited.
Disclosure of Invention
The invention aims to provide a preparation method of a wear-resistant and corrosion-resistant pipeline for fluid transportation, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a preparation method of a wear-resistant and corrosion-resistant pipeline for fluid transportation comprises the following steps:
s1, preparing a basic pipeline: cutting a pipeline with a required length as a basic pipeline according to requirements, cleaning the inside and the outside of the pipeline after cutting, drying the pipeline after cleaning, preheating to 220 ℃ at 200-;
s2, primary processing of the pipeline: spraying copolymer adhesive powder on the pipeline prepared in the step S1, so that the copolymer adhesive powder forms an adhesive intermediate layer on the surface of the epoxy bottom layer;
s3, preparation of anticorrosive slurry: adding urea-formaldehyde resin, hexafluorobutyl acrylate, styrene, aluminum oxide, silicon dioxide, ethyl acetate, acetylcholine, silicon oxide, sodium carboxymethylcellulose, graphite powder, molybdenum dioxide, a curing agent, a scratch-resistant additive and a defoaming agent into a stirring kettle, heating and stirring for 40-45min to prepare anticorrosive slurry for later use;
s4, secondary treatment of the pipeline: spraying the anticorrosive slurry prepared in the step S3 on the surface layer and the inner layer of the pipeline prepared in the step S2 by using a spraying machine at the temperature of 20-25 ℃, heating and then cooling to prepare the pipeline with the anticorrosive layer;
s5, preparing wear-resistant slurry: adding fluorocarbon resin, styrene, graphene, aluminum hydroxide, barium hydroxide, zinc oxide, filler, a silane coupling agent, a curing agent and a defoaming agent into a reaction kettle, heating and stirring for 35-40min to prepare wear-resistant slurry for later use;
s6, three times of pipeline processing: spraying the wear-resistant slurry prepared in the step S5 on the pipeline prepared in the step S4 by using a spraying machine at the ambient temperature of 20-25 ℃, heating and then cooling to prepare the pipeline with the wear-resistant layer;
s7, collecting by a pipeline: and after the wear-resistant layer is completely cured, heating the whole pipeline body in an environment of 85-90 ℃ for 15-20min, cooling, preparing the wear-resistant and corrosion-resistant pipeline, and warehousing.
Preferably, the anticorrosive slurry in step S3 is composed of the following raw materials by mass: 20-38 parts of urea-formaldehyde resin, 10-15 parts of hexafluorobutyl acrylate, 20-27 parts of styrene, 8-10 parts of aluminum oxide, 6-10 parts of silicon dioxide, 12-16 parts of ethyl acetate, 3-5 parts of acetylcholine, 5-8 parts of silicon oxide, 15-21 parts of sodium hydroxymethyl cellulose, 3-5 parts of graphite powder, 2-4 parts of molybdenum dioxide, 2-6 parts of a curing agent and 1-3 parts of a defoaming agent.
Preferably, when the temperature is raised and stirred in step S3, the temperature is controlled to be 85-90 ℃, and the stirring speed in the stirring kettle is controlled to be 240-280 r/min.
Preferably, the wear-resistant slurry in the step S5 is composed of the following raw materials by mass: 40-50 parts of fluorocarbon resin, 20-28 parts of styrene, 9-12 parts of graphene, 8-10 parts of aluminum hydroxide, 6-8 parts of barium hydroxide, 4-7 parts of zinc oxide, 12-14 parts of carbon fiber, 5-8 parts of silane coupling agent, 4-6 parts of curing agent, 0.1-0.5 part of anti-scratch additive and 1-3 parts of defoaming agent.
Preferably, when the temperature is raised and stirred in step S5, the temperature is controlled to be 70-75 ℃, and the stirring speed in the stirring kettle is controlled to be 300-320 r/min.
Preferably, the heating and cooling treatment in steps S4 and S6 is carried out by heat curing in a nitrogen atmosphere, the heat curing temperature is controlled to 95-110 ℃, and the cooling treatment is selected from air cooling, water cooling or oil cooling treatment.
Preferably, when the pipeline is stored in the warehouse in step S7, the pipeline is ensured to be dry and no moisture remains, and the warehouse is air-dried.
Compared with the prior art, the invention has the beneficial effects that: through anticorrosive coating and the wearing layer that sets up on the alloy pipeline, improved anticorrosive and wear resistance of pipeline, prolonged the life of pipeline, and the raw materials source of anticorrosive coating and wearing layer is extensive, is fit for industrial production.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Example 1: a preparation method of a wear-resistant and corrosion-resistant pipeline for fluid transportation is characterized by comprising the following steps: the method comprises the following steps:
s1, preparing a basic pipeline: cutting a pipeline with a required length as a basic pipeline according to requirements, cleaning the inside and the outside of the pipeline after cutting, drying the pipeline after cleaning, preheating to 220 ℃ at 200-;
s2, primary processing of the pipeline: spraying copolymer adhesive powder on the pipeline prepared in the step S1, so that the copolymer adhesive powder forms an adhesive intermediate layer on the surface of the epoxy bottom layer;
s3, preparation of anticorrosive slurry: adding urea-formaldehyde resin, hexafluorobutyl acrylate, styrene, aluminum oxide, silicon dioxide, ethyl acetate, acetylcholine, silicon oxide, sodium carboxymethylcellulose, graphite powder, molybdenum dioxide, a curing agent, a scratch-resistant additive and a defoaming agent into a stirring kettle, heating and stirring for 40-45min to prepare anticorrosive slurry for later use;
s4, secondary treatment of the pipeline: spraying the anticorrosive slurry prepared in the step S3 on the surface layer and the inner layer of the pipeline prepared in the step S2 by using a spraying machine at the temperature of 20-25 ℃, heating and then cooling to prepare the pipeline with the anticorrosive layer;
s5, preparing wear-resistant slurry: adding fluorocarbon resin, styrene, graphene, aluminum hydroxide, barium hydroxide, zinc oxide, filler, a silane coupling agent, a curing agent and a defoaming agent into a reaction kettle, heating and stirring for 35-40min to prepare wear-resistant slurry for later use;
s6, three times of pipeline processing: spraying the wear-resistant slurry prepared in the step S5 on the pipeline prepared in the step S4 by using a spraying machine at the ambient temperature of 20-25 ℃, heating and then cooling to prepare the pipeline with the wear-resistant layer;
s7, collecting by a pipeline: and after the wear-resistant layer is completely cured, heating the whole pipeline body in an environment of 85-90 ℃ for 15-20min, cooling, preparing the wear-resistant and corrosion-resistant pipeline, and warehousing.
Further, the anticorrosive slurry in the step S3 is composed of the following raw materials by mass: 20 parts of urea-formaldehyde resin, 10 parts of hexafluorobutyl acrylate, 20 parts of styrene, 8 parts of aluminum oxide, 6 parts of silicon dioxide, 12 parts of ethyl acetate, 3-5 parts of acetylcholine, 5 parts of silicon oxide, 15 parts of sodium hydroxymethyl cellulose, 3 parts of graphite powder, 2 parts of molybdenum dioxide, 2 parts of a curing agent and 1 part of a defoaming agent.
Further, when the temperature is raised and stirred in the step S3, the temperature is controlled to be 85-90 ℃, and the stirring speed in the stirring kettle is controlled to be 240-280 r/min.
Further, the wear-resistant slurry in the step S5 is composed of the following raw materials by mass: 40 parts of fluorocarbon resin, 20 parts of styrene, 9 parts of graphene, 8 parts of aluminum hydroxide, 6 parts of barium hydroxide, 4 parts of zinc oxide, 12 parts of carbon fiber, 5 parts of silane coupling agent, 4-6 parts of curing agent, 0.1 part of scratch-resistant additive and 1 part of defoaming agent.
Further, when the temperature is raised and stirred in the step S5, the temperature is controlled to be 70-75 ℃, and the stirring speed in the stirring kettle is controlled to be 300-320 r/min.
Further, in the heating and cooling treatment in steps S4 and S6, the heat curing is performed in a nitrogen atmosphere, the heat curing temperature is controlled to be 95-110 ℃, and the cooling treatment is selected from air cooling, water cooling or oil cooling treatment.
Further, when the pipeline is stored in the warehouse in the step S7, it is ensured that the pipeline is dry and has no moisture residue, and the warehouse is air-dried.
Example 2: a preparation method of a wear-resistant and corrosion-resistant pipeline for fluid transportation comprises the following steps:
s1, preparing a basic pipeline: cutting a pipeline with a required length as a basic pipeline according to requirements, cleaning the inside and the outside of the pipeline after cutting, drying the pipeline after cleaning, preheating to 220 ℃ at 200-;
s2, primary processing of the pipeline: spraying copolymer adhesive powder on the pipeline prepared in the step S1, so that the copolymer adhesive powder forms an adhesive intermediate layer on the surface of the epoxy bottom layer;
s3, preparation of anticorrosive slurry: adding urea-formaldehyde resin, hexafluorobutyl acrylate, styrene, aluminum oxide, silicon dioxide, ethyl acetate, acetylcholine, silicon oxide, sodium carboxymethylcellulose, graphite powder, molybdenum dioxide, a curing agent, a scratch-resistant additive and a defoaming agent into a stirring kettle, heating and stirring for 40-45min to prepare anticorrosive slurry for later use;
s4, secondary treatment of the pipeline: spraying the anticorrosive slurry prepared in the step S3 on the surface layer and the inner layer of the pipeline prepared in the step S2 by using a spraying machine at the temperature of 20-25 ℃, heating and then cooling to prepare the pipeline with the anticorrosive layer;
s5, preparing wear-resistant slurry: adding fluorocarbon resin, styrene, graphene, aluminum hydroxide, barium hydroxide, zinc oxide, filler, a silane coupling agent, a curing agent and a defoaming agent into a reaction kettle, heating and stirring for 35-40min to prepare wear-resistant slurry for later use;
s6, three times of pipeline processing: spraying the wear-resistant slurry prepared in the step S5 on the pipeline prepared in the step S4 by using a spraying machine at the ambient temperature of 20-25 ℃, heating and then cooling to prepare the pipeline with the wear-resistant layer;
s7, collecting by a pipeline: and after the wear-resistant layer is completely cured, heating the whole pipeline body in an environment of 85-90 ℃ for 15-20min, cooling, preparing the wear-resistant and corrosion-resistant pipeline, and warehousing.
Further, the anticorrosive slurry in the step S3 is composed of the following raw materials by mass: 30 parts of urea-formaldehyde resin, 12 parts of hexafluorobutyl acrylate, 24 parts of styrene, 9 parts of aluminum oxide, 8 parts of silicon dioxide, 14 parts of ethyl acetate, 4 parts of acetylcholine, 6 parts of silicon oxide, 18 parts of sodium hydroxymethyl cellulose, 4 parts of graphite powder, 3 parts of molybdenum dioxide, 4 parts of a curing agent and 2 parts of a defoaming agent.
Further, when the temperature is raised and stirred in the step S3, the temperature is controlled to be 85-90 ℃, and the stirring speed in the stirring kettle is controlled to be 240-280 r/min.
Further, the wear-resistant slurry in the step S5 is composed of the following raw materials by mass: 45 parts of fluorocarbon resin, 24 parts of styrene, 11 parts of graphene, 9 parts of aluminum hydroxide, 7 parts of barium hydroxide, 6 parts of zinc oxide, 13 parts of carbon fiber, 7 parts of silane coupling agent, 5 parts of curing agent, 0.3 part of scratch-resistant additive and 2 parts of defoaming agent.
Further, when the temperature is raised and stirred in the step S5, the temperature is controlled to be 70-75 ℃, and the stirring speed in the stirring kettle is controlled to be 300-320 r/min.
Further, in the heating and cooling treatment in steps S4 and S6, the heat curing is performed in a nitrogen atmosphere, the heat curing temperature is controlled to be 95-110 ℃, and the cooling treatment is selected from air cooling, water cooling or oil cooling treatment.
Further, when the pipeline is stored in the warehouse in the step S7, it is ensured that the pipeline is dry and has no moisture residue, and the warehouse is air-dried.
Compared with the embodiment 1, the wear resistance and the corrosion resistance of the pipeline prepared in the embodiment 2 are improved.
Example 3: a preparation method of a wear-resistant and corrosion-resistant pipeline for fluid transportation comprises the following steps:
s1, preparing a basic pipeline: cutting a pipeline with a required length as a basic pipeline according to requirements, cleaning the inside and the outside of the pipeline after cutting, drying the pipeline after cleaning, preheating to 220 ℃ at 200-;
s2, primary processing of the pipeline: spraying copolymer adhesive powder on the pipeline prepared in the step S1, so that the copolymer adhesive powder forms an adhesive intermediate layer on the surface of the epoxy bottom layer;
s3, preparation of anticorrosive slurry: adding urea-formaldehyde resin, hexafluorobutyl acrylate, styrene, aluminum oxide, silicon dioxide, ethyl acetate, acetylcholine, silicon oxide, sodium carboxymethylcellulose, graphite powder, molybdenum dioxide, a curing agent, a scratch-resistant additive and a defoaming agent into a stirring kettle, heating and stirring for 40-45min to prepare anticorrosive slurry for later use;
s4, secondary treatment of the pipeline: spraying the anticorrosive slurry prepared in the step S3 on the surface layer and the inner layer of the pipeline prepared in the step S2 by using a spraying machine at the temperature of 20-25 ℃, heating and then cooling to prepare the pipeline with the anticorrosive layer;
s5, preparing wear-resistant slurry: adding fluorocarbon resin, styrene, graphene, aluminum hydroxide, barium hydroxide, zinc oxide, filler, a silane coupling agent, a curing agent and a defoaming agent into a reaction kettle, heating and stirring for 35-40min to prepare wear-resistant slurry for later use;
s6, three times of pipeline processing: spraying the wear-resistant slurry prepared in the step S5 on the pipeline prepared in the step S4 by using a spraying machine at the ambient temperature of 20-25 ℃, heating and then cooling to prepare the pipeline with the wear-resistant layer;
s7, collecting by a pipeline: and after the wear-resistant layer is completely cured, heating the whole pipeline body in an environment of 85-90 ℃ for 15-20min, cooling, preparing the wear-resistant and corrosion-resistant pipeline, and warehousing.
Further, the anticorrosive slurry in the step S3 is composed of the following raw materials by mass: 38 parts of urea-formaldehyde resin, 15 parts of hexafluorobutyl acrylate, 27 parts of styrene, 10 parts of aluminum oxide, 10 parts of silicon dioxide, 16 parts of ethyl acetate, 5 parts of acetylcholine, 8 parts of silicon oxide, 21 parts of sodium hydroxymethyl cellulose, 5 parts of graphite powder, 4 parts of molybdenum dioxide, 5 parts of a curing agent and 2 parts of a defoaming agent.
Further, when the temperature is raised and stirred in the step S3, the temperature is controlled to be 85-90 ℃, and the stirring speed in the stirring kettle is controlled to be 240-280 r/min.
Further, the wear-resistant slurry in the step S5 is composed of the following raw materials by mass: 50 parts of fluorocarbon resin, 27 parts of styrene, 12 parts of graphene, 10 parts of aluminum hydroxide, 8 parts of barium hydroxide, 7 parts of zinc oxide, 14 parts of carbon fiber, 8 parts of silane coupling agent, 5 parts of curing agent, 0.4 part of scratch-resistant additive and 2 parts of defoaming agent.
Further, when the temperature is raised and stirred in the step S5, the temperature is controlled to be 70-75 ℃, and the stirring speed in the stirring kettle is controlled to be 300-320 r/min.
Further, in the heating and cooling treatment in steps S4 and S6, the heat curing is performed in a nitrogen atmosphere, the heat curing temperature is controlled to be 95-110 ℃, and the cooling treatment is selected from air cooling, water cooling or oil cooling treatment.
Further, when the pipeline is stored in the warehouse in the step S7, it is ensured that the pipeline is dry and has no moisture residue, and the warehouse is air-dried.
The wear resistance and corrosion resistance of the pipe prepared in example 3 are improved compared to those of examples 1 and 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A preparation method of a wear-resistant and corrosion-resistant pipeline for fluid transportation is characterized by comprising the following steps: the method comprises the following steps:
s1, preparing a basic pipeline: cutting a pipeline with a required length as a basic pipeline according to requirements, cleaning the inside and the outside of the pipeline after cutting, drying the pipeline after cleaning, preheating to 220 ℃ at 200-;
s2, primary processing of the pipeline: spraying copolymer adhesive powder on the pipeline prepared in the step S1, so that the copolymer adhesive powder forms an adhesive intermediate layer on the surface of the epoxy bottom layer;
s3, preparation of anticorrosive slurry: adding urea-formaldehyde resin, hexafluorobutyl acrylate, styrene, aluminum oxide, silicon dioxide, ethyl acetate, acetylcholine, silicon oxide, sodium carboxymethylcellulose, graphite powder, molybdenum dioxide, a curing agent, a scratch-resistant additive and a defoaming agent into a stirring kettle, heating and stirring for 40-45min to prepare anticorrosive slurry for later use;
s4, secondary treatment of the pipeline: spraying the anticorrosive slurry prepared in the step S3 on the surface layer and the inner layer of the pipeline prepared in the step S2 by using a spraying machine at the temperature of 20-25 ℃, heating and then cooling to prepare the pipeline with the anticorrosive layer;
s5, preparing wear-resistant slurry: adding fluorocarbon resin, styrene, graphene, aluminum hydroxide, barium hydroxide, zinc oxide, filler, a silane coupling agent, a curing agent and a defoaming agent into a reaction kettle, heating and stirring for 35-40min to prepare wear-resistant slurry for later use;
s6, three times of pipeline processing: spraying the wear-resistant slurry prepared in the step S5 on the pipeline prepared in the step S4 by using a spraying machine at the ambient temperature of 20-25 ℃, heating and then cooling to prepare the pipeline with the wear-resistant layer;
s7, collecting by a pipeline: and after the wear-resistant layer is completely cured, heating the whole pipeline body in an environment of 85-90 ℃ for 15-20min, cooling, preparing the wear-resistant and corrosion-resistant pipeline, and warehousing.
2. The method for preparing the wear-resistant and corrosion-resistant pipeline for fluid transportation according to claim 1, wherein the method comprises the following steps: the anticorrosive slurry in the step S3 is prepared from the following raw materials in percentage by mass: 20-38 parts of urea-formaldehyde resin, 10-15 parts of hexafluorobutyl acrylate, 20-27 parts of styrene, 8-10 parts of aluminum oxide, 6-10 parts of silicon dioxide, 12-16 parts of ethyl acetate, 3-5 parts of acetylcholine, 5-8 parts of silicon oxide, 15-21 parts of sodium hydroxymethyl cellulose, 3-5 parts of graphite powder, 2-4 parts of molybdenum dioxide, 2-6 parts of a curing agent and 1-3 parts of a defoaming agent.
3. The method for preparing the wear-resistant and corrosion-resistant pipeline for fluid transportation according to claim 1, wherein the method comprises the following steps: when the temperature is raised and stirred in the step S3, the temperature is controlled to be 85-90 ℃, and the stirring speed in the stirring kettle is controlled to be 240-280 r/min.
4. The method for preparing the wear-resistant and corrosion-resistant pipeline for fluid transportation according to claim 1, wherein the method comprises the following steps: the wear-resistant slurry in the step S5 is composed of the following raw materials by mass: 40-50 parts of fluorocarbon resin, 20-28 parts of styrene, 9-12 parts of graphene, 8-10 parts of aluminum hydroxide, 6-8 parts of barium hydroxide, 4-7 parts of zinc oxide, 12-14 parts of carbon fiber, 5-8 parts of silane coupling agent, 4-6 parts of curing agent, 0.1-0.5 part of anti-scratch additive and 1-3 parts of defoaming agent.
5. The method for preparing the wear-resistant and corrosion-resistant pipeline for fluid transportation according to claim 1, wherein the method comprises the following steps: when the temperature is raised and stirred in the step S5, the temperature is controlled to be 70-75 ℃, and the stirring speed in the stirring kettle is controlled to be 320 r/min.
6. The method for preparing the wear-resistant and corrosion-resistant pipeline for fluid transportation according to claim 1, wherein the method comprises the following steps: in the heating and cooling treatment in steps S4 and S6, the heat curing is performed in a nitrogen atmosphere, the heat curing temperature is controlled to be 95-110 ℃, and the cooling treatment is selected from air cooling, water cooling or oil cooling treatment.
7. The method for preparing the wear-resistant and corrosion-resistant pipeline for fluid transportation according to claim 1, wherein the method comprises the following steps: when the pipeline is stored in the warehouse in the step S7, the pipeline is ensured to be dry and no moisture remains, and the warehouse is ensured to be air-dried.
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