CN110922846A - Water pump polymer super-smooth energy-saving ceramic coating material and use method thereof - Google Patents

Water pump polymer super-smooth energy-saving ceramic coating material and use method thereof Download PDF

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Publication number
CN110922846A
CN110922846A CN201911340823.8A CN201911340823A CN110922846A CN 110922846 A CN110922846 A CN 110922846A CN 201911340823 A CN201911340823 A CN 201911340823A CN 110922846 A CN110922846 A CN 110922846A
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water pump
powder
coating
curing
coating material
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陈新强
马煜烨
林浩
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Shandong Kux Energy Conservation And Environmental Protection Technology Co Ltd
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Shandong Kux Energy Conservation And Environmental Protection Technology Co Ltd
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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
    • C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
    • C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
    • C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B05D3/0272—After-treatment with ovens
    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0493—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases using vacuum
    • 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
    • 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
    • B05D7/22—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
    • B05D7/227—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 containers, cans or the like
    • 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
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/53—Base coat plus clear coat type
    • B05D7/536—Base coat plus clear coat type each layer being cured, at least partially, separately
    • 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
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • 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
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • 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
    • B05D2301/00—Inorganic additives or organic salts thereof
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/16—Halogen-containing compounds
    • C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract

The invention discloses a water pump polymer super-smooth energy-saving ceramic coating material and a use method thereof, the water pump polymer super-smooth energy-saving ceramic coating material comprises a bottom coating and a surface coating, the bottom coating comprises 40% -60% of phenolic resin, 10% -20% of alumina powder, 10% -15% of zinc oxide powder and 8% -15% of eutectic powder, the surface coating comprises 20% -40% of graphene-structured molybdenum disulfide, 30% -50% of silicon carbide fine powder, 10% -15% of film forming auxiliary agent and 8% -12% of curing agent, the water pump polymer super-smooth energy-saving ceramic coating material and the use method thereof can improve the adhesion property with the surface of a water pump shell, reduce the peeling damage, improve the use stability and adopt a material mixed by fine powder, the coating is respectively carried out by combining the placement of vacuum curing and thermal sintering curing, the structural strength and the performance of the coating can be ensured, the impact resistance is improved, the ultra-smooth effect is further ensured, the energy conservation is realized, and the use and the popularization are facilitated.

Description

Water pump polymer super-smooth energy-saving ceramic coating material and use method thereof
Technical Field
The invention relates to the technical field of ceramic coatings, in particular to a water pump polymer super-smooth energy-saving ceramic coating material and a using method thereof.
Background
In the production and processing process of the water pump, a protective coating is generally required to be coated inside a water pump shell, so that the year of water flowing is reduced, the circulation of the water is improved, and energy is saved.
The existing coating material is mostly the surface of the shell directly coated by the silicon carbide, so that the material has poor characteristics and the tightness of the combination with the shell, the coating material is easy to peel off and damage and influences the use stability, and the existing coating material is not favorable for stable adhesion and is easy to be corroded by high pressure and influence the use effect due to the pressure flow velocity block inside the water pump, so a new material structure and an adhesion curing method need to be provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a water pump polymer super-smooth energy-saving ceramic coating material and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the water pump polymer super-smooth energy-saving ceramic coating material comprises 40% -60% of phenolic resin, 10% -20% of alumina powder, 10% -15% of zinc oxide powder and 8% -15% of eutectic powder, and a surface layer coating comprises 20% -40% of graphene-structured molybdenum disulfide, 30% -50% of silicon carbide fine powder, 10% -15% of a film-forming assistant and 8% -12% of a curing agent.
Preferably, the preparation method of the primer comprises the following steps:
s1, grinding the aluminum oxide and the zinc oxide, and selecting powder with the particle size of 3-5 microns to obtain aluminum oxide powder and zinc oxide powder for later use;
s2, selecting calcium fluoride and barium fluoride according to the mass percentage of 1:1-1.5, uniformly mixing, performing vacuum sintering, grinding and crushing, and selecting powder with the particle size of 5-10 microns to obtain eutectic powder;
s3, crushing the phenolic resin, mixing the alumina powder, the zinc oxide powder and the eutectic powder, adding the mixture into a stirrer, uniformly stirring the mixture for 20 to 25 minutes at the speed of 30 to 40 revolutions per minute, and hungry and thirsty to obtain the primer.
Preferably, the preparation method of the graphene-structured molybdenum disulfide comprises the following steps:
p1, grinding molybdenum disulfide into powder, and adding the powder into deionized water;
p2, adding sodium cholate into deionized water, uniformly stirring for 5 to 8 minutes at the speed of 20 to 25 revolutions per minute, and uniformly mixing;
p3, placing deionized water in an ultrasonic device, performing ultrasonic dispersion, and then performing centrifugal separation to obtain solid powder;
and P4, washing the solid powder with deionized water, taking out excessive sodium cholate, and then precipitating and drying to obtain the graphene-structured molybdenum disulfide.
Preferably, the silicon carbide powder has a particle size of 2 to 3 microns.
Preferably, the curing agent is an epoxy curing agent.
Preferably, the use method of the coating comprises the following steps:
q1, surface treatment: shot blasting is carried out on the inner surface of the water pump shell, and then impurities are cleaned;
q2, surface cleaning: soaking and cleaning the shot blasting surface by using ethanol, and drying;
q3, fill: filling the primer into the interior of the water pump shell, and then placing the water pump shell into a vacuum furnace;
q4, bottom layer curing: vacuumizing the vacuum furnace to enable the position of the bottom layer pore to be in a negative pressure state, keeping the negative pressure state for 10 to 15 minutes, slowly introducing air to 2.5 to 2.8MPa, and filling and curing the primer on the inner surface of the water pump shell under the adsorption of the pore negative pressure to form a bottom coating;
q5, secondary cleaning: taking out the water pump shell, cleaning the redundant bottom coating, and carrying out secondary washing;
q6, mixing the surface coating and coating the mixture on the surface of the bottom coating, and keeping the thickness between 0.5 and 0.8 mm;
q7, placing the water pump shell in a curing furnace, and heating and curing to finish curing the cotton layer coating and form a surface layer coating;
q8, post-treatment: and polishing and grinding the surface, and cleaning to finish the coating of the water pump polymer coating.
Preferably, the drying treatment in the step Q2 is to perform blowing with dry air to accelerate ethanol volatilization.
Preferably, the vacuum-pumping mode of the step Q4 is to pump vacuum in the vacuum furnace by a mode of a mechanical pump and a roots pump in series connection.
Preferably, the heating and curing in the step Q7 is carried out by heating to 300 to 400 ℃ at a heating rate of 25 to 30 ℃ per minute, maintaining the temperature for 15 to 20 minutes, carrying out one-stage curing, heating to 800 to 900 ℃ for 30 to 45 minutes, carrying out two-stage curing, naturally cooling to room temperature, and taking out to complete the curing.
According to the water pump polymer super-slip energy-saving ceramic coating material and the using method thereof, two structural coatings of the bottom coating and the surface coating are adopted, so that the adhesion performance of the coating to the surface of a water pump shell can be improved, the peeling damage is reduced, the use stability is improved, and the material mixed with fine powder is adopted and is respectively coated by combining the placement of vacuum curing and thermal sintering curing, so that the structural strength and the performance of the coating can be ensured, the impact resistance is improved, the super-slip effect is further ensured, the energy is saved, and the use and the popularization are facilitated.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The water pump polymer super-smooth energy-saving ceramic coating material comprises 40% -60% of phenolic resin, 10% -20% of alumina powder, 10% -15% of zinc oxide powder and 8% -15% of eutectic powder, and a surface layer coating comprises 20% -40% of graphene-structured molybdenum disulfide, 30% -50% of silicon carbide fine powder, 10% -15% of a film-forming assistant and 8% -12% of a curing agent.
Preferably, the preparation method of the primer comprises the following steps:
s1, grinding the aluminum oxide and the zinc oxide, and selecting powder with the particle size of 3-5 microns to obtain aluminum oxide powder and zinc oxide powder for later use;
s2, selecting calcium fluoride and barium fluoride according to the mass percentage of 1:1-1.5, uniformly mixing, performing vacuum sintering, grinding and crushing, and selecting powder with the particle size of 5-10 microns to obtain eutectic powder;
s3, crushing the phenolic resin, mixing the alumina powder, the zinc oxide powder and the eutectic powder, adding the mixture into a stirrer, uniformly stirring the mixture for 20 to 25 minutes at the speed of 30 to 40 revolutions per minute, and hungry and thirsty to obtain the primer.
Preferably, the preparation method of the graphene-structured molybdenum disulfide comprises the following steps:
p1, grinding molybdenum disulfide into powder, and adding the powder into deionized water;
p2, adding sodium cholate into deionized water, uniformly stirring for 5 to 8 minutes at the speed of 20 to 25 revolutions per minute, and uniformly mixing;
p3, placing deionized water in an ultrasonic device, performing ultrasonic dispersion, and then performing centrifugal separation to obtain solid powder;
and P4, washing the solid powder with deionized water, taking out excessive sodium cholate, and then precipitating and drying to obtain the graphene-structured molybdenum disulfide.
Preferably, the silicon carbide powder has a particle size of 2 to 3 microns.
Preferably, the curing agent is an epoxy curing agent.
Preferably, the method for using the coating comprises the following steps:
q1, surface treatment: shot blasting is carried out on the inner surface of the water pump shell, and then impurities are cleaned;
q2, surface cleaning: soaking and cleaning the shot blasting surface by using ethanol, and drying;
q3, fill: filling the primer into the interior of the water pump shell, and then placing the water pump shell into a vacuum furnace;
q4, bottom layer curing: vacuumizing the vacuum furnace to enable the position of the bottom layer pore to be in a negative pressure state, keeping the negative pressure state for 10 to 15 minutes, slowly introducing air to 2.5 to 2.8MPa, and filling and curing the primer on the inner surface of the water pump shell under the adsorption of the pore negative pressure to form a bottom coating;
q5, secondary cleaning: taking out the water pump shell, cleaning the redundant bottom coating, and carrying out secondary washing;
q6, mixing the surface coating and coating the mixture on the surface of the bottom coating, and keeping the thickness between 0.5 and 0.8 mm;
q7, placing the water pump shell in a curing furnace, and heating and curing to finish curing the cotton layer coating and form a surface layer coating;
q8, post-treatment: and polishing and grinding the surface, and cleaning to finish the coating of the water pump polymer coating.
Preferably, the drying treatment in the step Q2 is performed by blowing dry air to accelerate ethanol volatilization.
Preferably, the vacuum-pumping method in the Q4 step is to pump vacuum in the vacuum furnace in a mode of a mechanical pump or a roots pump in series.
Preferably, the heating and curing in the step Q7 is carried out by heating to 300-400 ℃ at a heating rate of 25-30 ℃ per minute, maintaining the temperature for 15-20 minutes, carrying out one-stage curing, heating to 800-900 ℃ for 30-45 minutes, carrying out two-stage curing, naturally cooling to room temperature, and taking out to complete the curing.
According to the water pump polymer super-slip energy-saving ceramic coating material and the using method thereof, two structural coatings of the bottom coating and the surface coating are adopted, so that the adhesion performance of the coating to the surface of a water pump shell can be improved, the peeling damage is reduced, the use stability is improved, and the material mixed with fine powder is adopted and is respectively coated by combining the placement of vacuum curing and thermal sintering curing, so that the structural strength and the performance of the coating can be ensured, the impact resistance is improved, the super-slip effect is further ensured, the energy is saved, and the use and the popularization are facilitated.
Example 1
The water pump polymer super-slip energy-saving ceramic coating material comprises a bottom coating and a surface coating, wherein the bottom coating comprises 60% of phenolic resin, 10% of alumina powder, 15% of zinc oxide powder and 15% of eutectic powder, and the surface coating comprises 40% of graphene-structured molybdenum disulfide, 40% of silicon carbide fine powder, 10% of film-forming auxiliary agent and 10% of curing agent.
Preferably, the preparation method of the primer comprises the following steps:
s1, grinding the aluminum oxide and the zinc oxide, and selecting powder with the particle size of 3-5 microns to obtain aluminum oxide powder and zinc oxide powder for later use;
s2, selecting calcium fluoride and barium fluoride according to the mass percentage of 1:1.2, uniformly mixing, performing vacuum sintering, grinding and crushing, and selecting powder with the particle size of 5-10 microns to obtain eutectic powder;
s3, crushing the phenolic resin, mixing the alumina powder, the zinc oxide powder and the eutectic powder, adding the mixture into a stirrer, uniformly stirring the mixture for 20 to 25 minutes at the speed of 30 to 40 revolutions per minute, and hungry and thirsty to obtain the primer.
Preferably, the preparation method of the graphene-structured molybdenum disulfide comprises the following steps:
p1, grinding molybdenum disulfide into powder, and adding the powder into deionized water;
p2, adding sodium cholate into deionized water, uniformly stirring for 5 to 8 minutes at the speed of 20 to 25 revolutions per minute, and uniformly mixing;
p3, placing deionized water in an ultrasonic device, performing ultrasonic dispersion, and then performing centrifugal separation to obtain solid powder;
and P4, washing the solid powder with deionized water, taking out excessive sodium cholate, and then precipitating and drying to obtain the graphene-structured molybdenum disulfide.
Preferably, the silicon carbide powder has a particle size of 2 to 3 microns.
Preferably, the curing agent is an epoxy curing agent.
Preferably, the method for using the coating comprises the following steps:
q1, surface treatment: shot blasting is carried out on the inner surface of the water pump shell, and then impurities are cleaned;
q2, surface cleaning: soaking and cleaning the shot blasting surface by using ethanol, and drying;
q3, fill: filling the primer into the interior of the water pump shell, and then placing the water pump shell into a vacuum furnace;
q4, bottom layer curing: vacuumizing the vacuum furnace to enable the position of the bottom layer pore to be in a negative pressure state, keeping the negative pressure state for 10 to 15 minutes, slowly introducing air to 2.5 to 2.8MPa, and filling and curing the primer on the inner surface of the water pump shell under the adsorption of the pore negative pressure to form a bottom coating;
q5, secondary cleaning: taking out the water pump shell, cleaning the redundant bottom coating, and carrying out secondary washing;
q6, mixing the surface coating and coating the mixture on the surface of the bottom coating, and keeping the thickness at 0.8 mm;
q7, placing the water pump shell in a curing furnace, and heating and curing to finish curing the cotton layer coating and form a surface layer coating;
q8, post-treatment: and polishing and grinding the surface, and cleaning to finish the coating of the water pump polymer coating.
Preferably, the drying treatment in the Q2 step is natural air-cooling drying.
Preferably, the vacuum-pumping method in the Q4 step is to pump vacuum in the vacuum furnace in a mode of a mechanical pump or a roots pump in series.
Preferably, the heating and curing in the step Q7 is carried out by heating to 350 ℃ at a heating rate of 25 to 30 ℃ per minute, keeping the temperature for 15 minutes, carrying out one-stage curing, heating to 850 ℃ and keeping the temperature for 45 minutes, carrying out two-stage curing, naturally cooling to room temperature, and taking out to complete the curing.
Example 2
The water pump polymer super-slip energy-saving ceramic coating material comprises a bottom coating and a surface coating, wherein the bottom coating comprises 55% of phenolic resin, 15% of alumina powder, 15% of zinc oxide powder and 15% of eutectic powder, and the surface coating comprises 25% of graphene-structured molybdenum disulfide, 50% of silicon carbide fine powder, 15% of film forming additives and 10% of curing agents.
Preferably, the preparation method of the primer comprises the following steps:
s1, grinding the aluminum oxide and the zinc oxide, and selecting powder with the particle size of 3-5 microns to obtain aluminum oxide powder and zinc oxide powder for later use;
s2, selecting calcium fluoride and barium fluoride according to the mass percentage of 1:1.5, uniformly mixing, performing vacuum sintering, grinding and crushing, and selecting powder with the particle size of 5-10 microns to obtain eutectic powder;
s3, crushing the phenolic resin, mixing the alumina powder, the zinc oxide powder and the eutectic powder, adding the mixture into a stirrer, uniformly stirring the mixture for 20 to 25 minutes at the speed of 30 to 40 revolutions per minute, and hungry and thirsty to obtain the primer.
Preferably, the preparation method of the graphene-structured molybdenum disulfide comprises the following steps:
p1, grinding molybdenum disulfide into powder, and adding the powder into deionized water;
p2, adding sodium cholate into deionized water, uniformly stirring for 5 to 8 minutes at the speed of 20 to 25 revolutions per minute, and uniformly mixing;
p3, placing deionized water in an ultrasonic device, performing ultrasonic dispersion, and then performing centrifugal separation to obtain solid powder;
and P4, washing the solid powder with deionized water, taking out excessive sodium cholate, and then precipitating and drying to obtain the graphene-structured molybdenum disulfide.
Preferably, the silicon carbide powder has a particle size of 2 to 3 microns.
Preferably, the curing agent is an epoxy curing agent.
Preferably, the method for using the coating comprises the following steps:
q1, surface treatment: shot blasting is carried out on the inner surface of the water pump shell, and then impurities are cleaned;
q2, surface cleaning: soaking and cleaning the shot blasting surface by using ethanol, and drying;
q3, fill: filling the primer into the interior of the water pump shell, and then placing the water pump shell into a vacuum furnace;
q4, bottom layer curing: vacuumizing the vacuum furnace to enable the position of the bottom layer pore to be in a negative pressure state, keeping the negative pressure state for 10 to 15 minutes, slowly introducing air to 2.5 to 2.8MPa, and filling and curing the primer on the inner surface of the water pump shell under the adsorption of the pore negative pressure to form a bottom coating;
q5, secondary cleaning: taking out the water pump shell, cleaning the redundant bottom coating, and carrying out secondary washing;
q6, mixing the surface coating and coating the mixture on the surface of the bottom coating, and keeping the thickness at 0.8 mm;
q7, placing the water pump shell in a curing furnace, and heating and curing to finish curing the cotton layer coating and form a surface layer coating;
q8, post-treatment: and polishing and grinding the surface, and cleaning to finish the coating of the water pump polymer coating.
Preferably, the drying treatment in the Q2 step is hot air drying.
Preferably, the vacuum-pumping method in the Q4 step is to pump vacuum in the vacuum furnace in a mode of a mechanical pump or a roots pump in series.
Preferably, the heating and curing in the step Q7 is carried out by heating to 400 ℃ at a heating rate of 25 to 30 ℃ per minute, keeping the temperature for 15 minutes, carrying out one-stage curing, heating to 900 ℃ for 30 minutes, carrying out two-stage curing, naturally cooling to room temperature, and taking out to complete the curing.
Example 3
The water pump polymer super-smooth energy-saving ceramic coating material comprises a bottom coating and a surface coating, wherein the bottom coating comprises 40% of phenolic resin, 20% of alumina powder, 15% of zinc oxide powder and 15% of eutectic powder, and the surface coating comprises 30% of graphene-structured molybdenum disulfide, 50% of silicon carbide fine powder, 10% of film forming auxiliary agent and 10% of curing agent.
Preferably, the preparation method of the primer comprises the following steps:
s1, grinding the aluminum oxide and the zinc oxide, and selecting powder with the particle size of 3-5 microns to obtain aluminum oxide powder and zinc oxide powder for later use;
s2, selecting calcium fluoride and barium fluoride according to the mass percentage of 1:1, uniformly mixing, performing vacuum sintering, then grinding and crushing, and selecting powder with the particle size of 5-10 microns to obtain eutectic powder;
s3, crushing the phenolic resin, mixing the alumina powder, the zinc oxide powder and the eutectic powder, adding the mixture into a stirrer, uniformly stirring the mixture for 20 to 25 minutes at the speed of 30 to 40 revolutions per minute, and hungry and thirsty to obtain the primer.
Preferably, the preparation method of the graphene-structured molybdenum disulfide comprises the following steps:
p1, grinding molybdenum disulfide into powder, and adding the powder into deionized water;
p2, adding sodium cholate into deionized water, uniformly stirring for 5 to 8 minutes at the speed of 20 to 25 revolutions per minute, and uniformly mixing;
p3, placing deionized water in an ultrasonic device, performing ultrasonic dispersion, and then performing centrifugal separation to obtain solid powder;
and P4, washing the solid powder with deionized water, taking out excessive sodium cholate, and then precipitating and drying to obtain the graphene-structured molybdenum disulfide.
Preferably, the silicon carbide powder has a particle size of 2 to 3 microns.
Preferably, the curing agent is an epoxy curing agent.
Preferably, the method for using the coating comprises the following steps:
q1, surface treatment: shot blasting is carried out on the inner surface of the water pump shell, and then impurities are cleaned;
q2, surface cleaning: soaking and cleaning the shot blasting surface by using ethanol, and drying;
q3, fill: filling the primer into the interior of the water pump shell, and then placing the water pump shell into a vacuum furnace;
q4, bottom layer curing: vacuumizing the vacuum furnace to enable the position of the bottom layer pore to be in a negative pressure state, keeping the negative pressure state for 10 to 15 minutes, slowly introducing air to 2.5 to 2.8MPa, and filling and curing the primer on the inner surface of the water pump shell under the adsorption of the pore negative pressure to form a bottom coating;
q5, secondary cleaning: taking out the water pump shell, cleaning the redundant bottom coating, and carrying out secondary washing;
q6, mixing the surface coating and coating the mixture on the surface of the bottom coating, and keeping the thickness at 0.5 mm;
q7, placing the water pump shell in a curing furnace, and heating and curing to finish curing the cotton layer coating and form a surface layer coating;
q8, post-treatment: and polishing and grinding the surface, and cleaning to finish the coating of the water pump polymer coating.
Preferably, the drying treatment in the step Q2 is performed by blowing dry air to accelerate ethanol volatilization.
Preferably, the vacuum-pumping method in the Q4 step is to pump vacuum in the vacuum furnace in a mode of a mechanical pump or a roots pump in series.
Preferably, the heating and curing in the step Q7 is carried out by heating to 300 ℃ at a heating rate of 25 to 30 ℃ per minute, holding the temperature for 20 minutes, carrying out one-stage curing, then heating to 800 ℃ and holding the temperature for 30 minutes, carrying out two-stage curing, then naturally cooling to room temperature and taking out, thus completing the curing.

Claims (9)

1. A water pump macromolecule super-smooth energy-saving ceramic coating material and a using method thereof are characterized in that: the water pump polymer super-smooth energy-saving ceramic coating material comprises a bottom coating and a surface coating, wherein the bottom coating comprises 40% -60% of phenolic resin, 10% -20% of alumina powder, 10% -15% of zinc oxide powder and 8% -15% of eutectic powder, and the surface coating comprises 20% -40% of graphene-structured molybdenum disulfide, 30% -50% of silicon carbide fine powder, 10% -15% of a film-forming assistant and 8% -12% of a curing agent.
2. The water pump polymer ultra-smooth energy-saving ceramic coating material and the use method thereof according to claim 1 are characterized in that: the preparation method of the primer comprises the following steps:
s1, grinding the aluminum oxide and the zinc oxide, and selecting powder with the particle size of 3-5 microns to obtain aluminum oxide powder and zinc oxide powder for later use;
s2, selecting calcium fluoride and barium fluoride according to the mass percentage of 1:1-1.5, uniformly mixing, performing vacuum sintering, grinding and crushing, and selecting powder with the particle size of 5-10 microns to obtain eutectic powder;
s3, crushing the phenolic resin, mixing the alumina powder, the zinc oxide powder and the eutectic powder, adding the mixture into a stirrer, uniformly stirring the mixture for 20 to 25 minutes at the speed of 30 to 40 revolutions per minute, and hungry and thirsty to obtain the primer.
3. The water pump polymer ultra-smooth energy-saving ceramic coating material and the use method thereof according to claim 1 are characterized in that: the preparation method of the graphene-structured molybdenum disulfide comprises the following steps:
p1, grinding molybdenum disulfide into powder, and adding the powder into deionized water;
p2, adding sodium cholate into deionized water, uniformly stirring for 5 to 8 minutes at the speed of 20 to 25 revolutions per minute, and uniformly mixing;
p3, placing deionized water in an ultrasonic device, performing ultrasonic dispersion, and then performing centrifugal separation to obtain solid powder;
and P4, washing the solid powder with deionized water, taking out excessive sodium cholate, and then precipitating and drying to obtain the graphene-structured molybdenum disulfide.
4. The water pump polymer ultra-smooth energy-saving ceramic coating material and the use method thereof according to claim 1 are characterized in that: the particle size of the silicon carbide powder is 2-3 microns.
5. The water pump polymer ultra-smooth energy-saving ceramic coating material and the use method thereof according to claim 1 are characterized in that: the curing agent is an epoxy curing agent.
6. The water pump polymer ultra-smooth energy-saving ceramic coating material and the use method thereof according to claim 1 are characterized in that: the application method of the coating comprises the following steps:
q1, surface treatment: shot blasting is carried out on the inner surface of the water pump shell, and then impurities are cleaned;
q2, surface cleaning: soaking and cleaning the shot blasting surface by using ethanol, and drying;
q3, fill: filling the primer into the interior of the water pump shell, and then placing the water pump shell into a vacuum furnace;
q4, bottom layer curing: vacuumizing the vacuum furnace to enable the position of the bottom layer pore to be in a negative pressure state, keeping the negative pressure state for 10 to 15 minutes, slowly introducing air to 2.5 to 2.8MPa, and filling and curing the primer on the inner surface of the water pump shell under the adsorption of the pore negative pressure to form a bottom coating;
q5, secondary cleaning: taking out the water pump shell, cleaning the redundant bottom coating, and carrying out secondary washing;
q6, mixing the surface coating and coating the mixture on the surface of the bottom coating, and keeping the thickness between 0.5 and 0.8 mm;
q7, placing the water pump shell in a curing furnace, and heating and curing to finish curing the cotton layer coating and form a surface layer coating;
q8, post-treatment: and polishing and grinding the surface, and cleaning to finish the coating of the water pump polymer coating.
7. The water pump polymer ultra-smooth energy-saving ceramic coating material and the use method thereof according to claim 6 are characterized in that: and the drying treatment in the step Q2 is to adopt dry air to blow, so as to accelerate the volatilization of the ethanol.
8. The water pump polymer ultra-smooth energy-saving ceramic coating material and the use method thereof according to claim 6 are characterized in that: the vacuum pumping mode of the step Q4 adopts a mode of connecting a mechanical pump and a roots pump in series to carry out vacuum pumping on the vacuum furnace.
9. The water pump polymer ultra-smooth energy-saving ceramic coating material and the use method thereof according to claim 6 are characterized in that: the heating solidification in the step Q7 is carried out by heating to 300-400 ℃ at a heating rate of 25-30 ℃ per minute, preserving heat for 15-20 minutes, carrying out one-stage solidification, then heating to 800-900 ℃ and preserving heat for 30-45 minutes, carrying out two-stage solidification, and then naturally cooling to room temperature and taking out, thus finishing solidification.
CN201911340823.8A 2019-12-23 2019-12-23 Water pump polymer super-smooth energy-saving ceramic coating material and use method thereof Pending CN110922846A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104559393A (en) * 2013-10-22 2015-04-29 中国石油化工股份有限公司 Heat-insulated anticorrosive coating, heat-insulated anticorrosive material and pipeline
CN106187321A (en) * 2016-07-07 2016-12-07 青岛特澳能源检测有限公司 A kind of ceramic coating material
CN108555294A (en) * 2018-05-03 2018-09-21 佛山九陌科技信息咨询有限公司 A kind of self-lubricating ceramic material and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104559393A (en) * 2013-10-22 2015-04-29 中国石油化工股份有限公司 Heat-insulated anticorrosive coating, heat-insulated anticorrosive material and pipeline
CN106187321A (en) * 2016-07-07 2016-12-07 青岛特澳能源检测有限公司 A kind of ceramic coating material
CN108555294A (en) * 2018-05-03 2018-09-21 佛山九陌科技信息咨询有限公司 A kind of self-lubricating ceramic material and preparation method thereof

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