CN112898861A - Metal corrosion-resistant coating for power equipment maintenance and preparation method thereof - Google Patents
Metal corrosion-resistant coating for power equipment maintenance and preparation method thereof Download PDFInfo
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/80—Mixers with rotating receptacles rotating about a substantially vertical axis
- B01F29/83—Mixers with rotating receptacles rotating about a substantially vertical axis with rotary paddles or arms, e.g. movable out of the receptacle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/80—Mixers with rotating receptacles rotating about a substantially vertical axis
- B01F29/85—Mixers with rotating receptacles rotating about a substantially vertical axis with helices, e.g. rotating about an inclined axis
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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
- 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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- 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
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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
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel
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- 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
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
- C08K2003/2213—Oxides; Hydroxides of metals of rare earth metal of cerium
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- 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
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- 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
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Abstract
The invention discloses a metal corrosion-resistant coating for maintaining power equipment and a preparation method thereof, belonging to the technical field of maintaining power equipment, and the metal corrosion-resistant coating for maintaining power equipment comprises epoxy resin, o-cresol formaldehyde epoxy resin, nano zinc oxide, cerium oxide, castor oil polyoxyethylene ether, quartz powder, organic silicon, zinc stearate, ethylene glycol butyl ether, an auxiliary agent and other components, can realize excellent rust prevention, wear resistance, corrosion resistance and crack resistance, has uniform and compact film layer and good surface smoothness, can effectively prevent a shell from rusting when being coated on the surface of the shell of the power equipment, reduces the maintenance frequency of the power equipment, adds modified smectite, and in the preparation process of the modified smectite, fluotitanic acid can change the structure and pore passages of the smectite, increases the adsorption quantity of the smectite to the phosphorus powder, further greatly improves the metal stabilizing performance of the modified smectite, further improves the corrosion resistance and crack resistance of the metal corrosion-resistant coating.
Description
Technical Field
The invention relates to the technical field of power equipment maintenance, in particular to a metal corrosion-resistant coating for power equipment maintenance and a preparation method thereof.
Background
The power equipment mainly comprises power generation equipment and power supply equipment, wherein the power generation equipment mainly comprises a power station boiler, a steam turbine, a gas turbine, a water turbine, a generator, a transformer and the like, and the power supply equipment mainly comprises power transmission lines, mutual inductors, contactors and the like with various voltage grades. Most of the power equipment is of a metal structure, such as shells of equipment such as power cabinets, power distribution cabinets, transformers and the like.
However, the metal material is liable to react with the surrounding medium, causing metal corrosion, and once the metal is corroded, its performance will be greatly reduced. If the metal parts on the equipment corrode, the equipment cannot work, and economic and other losses are brought to people. Corrosion protection of metals is therefore very important.
In the prior art, metal corrosion-resistant treatment liquid is usually adopted to pretreat metal, so that the corrosion resistance can be improved to a certain extent, but the metal corrosion-resistant treatment liquid is not very effective.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a metal corrosion-resistant coating for maintaining electrical equipment and a preparation method thereof, which have excellent rust resistance, wear resistance, corrosion resistance and crack resistance, uniform and compact film layers and good surface smoothness, can effectively prevent the shell from rusting when being coated on the surface of the shell of the electrical equipment, reduce the maintenance frequency of the electrical equipment, and add modified smectite.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A metal corrosion-resistant coating for power equipment maintenance comprises the following components in parts by weight:
40-60 parts of epoxy resin, 30-40 parts of o-cresol formaldehyde epoxy resin, 30-35 parts of nano zinc oxide, 30-40 parts of cerium oxide, 20-40 parts of castor oil polyoxyethylene ether, 10-18 parts of aluminum silicate, 12-16 parts of quartz powder, 4-6 parts of organic silicon, 3-8 parts of zinc stearate, 4-7 parts of ethylene glycol butyl ether, 3-7 parts of modified smectite and 10-20 parts of an auxiliary agent.
Further, the auxiliary agent comprises a whitening agent, a dispersing agent, a flatting agent, a thickening agent and a curing agent, wherein the mass ratio of the whitening agent to the dispersing agent to the flatting agent to the thickening agent to the curing agent is 1-1.5: 2-5: 2-4: 1-4: 3-7.
Further, the whitening agent is one or a mixture of more than two of stilbene derivatives, phenylpyrazoline derivatives, benzimidazole derivatives and phenylpyrazole derivatives;
the dispersing agent is one of barium stearate, zinc stearate and microcrystalline paraffin;
the leveling agent is a mixture of polydimethylsiloxane and polymethylphenylsiloxane;
the thickening agent is one or a mixture of more than two of carboxymethyl cellulose, propylene glycol alginate, methyl cellulose and sodium starch phosphate;
the curing agent is one or a mixture of more than two of aliphatic polyamine, alicyclic polyamine, low molecular polyamide and modified arylamine.
Further, the preparation method of the modified smectite comprises the following steps: crushing the smectite, uniformly mixing the smectite with the phosphorus powder, adding 35-45 wt% of fluotitanic acid, heating to 35-55 ℃, and reacting for 1-2 hours under the condition of heat preservation to obtain the modified smectite.
A preparation method of a metal corrosion-resistant coating for maintaining electrical equipment is characterized by comprising the following steps: the method comprises the following steps:
s1, preparing raw materials according to the weight portion: epoxy resin, o-cresol formaldehyde epoxy resin, nano zinc oxide, cerium oxide, castor oil polyoxyethylene ether, aluminum silicate, quartz powder, organic silicon, zinc stearate, ethylene glycol butyl ether, modified smectite and an auxiliary agent;
s2, adding epoxy resin, o-cresol formaldehyde epoxy resin, nano zinc oxide, cerium oxide and castor oil polyoxyethylene ether into a corrosion-resistant paint production device, and fully and uniformly mixing to obtain a mixed solution A;
s3, adding aluminum silicate, quartz powder, organic silicon, zinc stearate and ethylene glycol monobutyl ether into the mixed solution A, and fully and uniformly mixing to obtain mixed solution B;
s4, adding the modified smectite into the mixed solution B, and fully and uniformly mixing to obtain a mixed solution C;
and S5, adding an auxiliary agent into the mixed solution C, and fully and uniformly mixing to obtain the metal corrosion-resistant coating.
Further, in the S2, the mixing temperature is 40-60 ℃, the rotation speed is 1000-1500rpm, and the mixing time is 30-40 min.
Further, in the S4, the mixing temperature is 50-60 ℃, the rotation speed is 500-800rpm, and the mixing time is 30-40 min.
Further, the corrosion-resistant paint production device comprises a machine body, a mixing drum is arranged inside the machine body, the mixing drum and the machine body are coaxially arranged, a charging opening is formed in the left end of the upper side of the mixing drum, a support column is fixed in the center of the inner wall of the lower side of the machine body, the bottom end of the mixing drum is fixed on the support column, a bearing is arranged at the contact position of the mixing drum and the support column, a mixing rotating shaft is vertically arranged inside the mixing drum, the top end of the mixing rotating shaft extends out of the top end of the machine body and is connected with a driving motor, a gear transmission mechanism is arranged at the joint of the mixing rotating shaft and the mixing drum, a first mixing blade is arranged on the mixing rotating shaft, the first mixing blade is a spiral mixing blade, a connecting block is arranged between the gear transmission mechanism and the first mixing blade on the outer wall, the equal welded connection in left and right sides of connecting block has the connecting rod, the tip of connecting rod all is equipped with the puddler, be equipped with the second stirring vane that the symmetry set up on the outer wall of puddler, it has third stirring vane still to evenly distributed on the inner wall of churn, second stirring vane and third stirring vane crisscross the setting from top to bottom.
Furthermore, gear drive mechanism establishes the external gear on the stirring pivot outer wall and fixes the internal gear that sets up side wall axle center department on the churn including the cover, and external gear and internal gear coaxial center and coplanar set up, are equipped with drive gear between external gear and the internal gear, and drive gear is connected with external gear and internal gear meshing respectively.
Further, the bottom of churn is equipped with the discharge gate and is equipped with the bleeder valve on the discharge gate, is connected with the discharging pipe in the right side bottom of organism.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the metal corrosion-resistant coating disclosed by the invention is prepared from epoxy resin, o-cresol formaldehyde epoxy resin, nano zinc oxide, cerium oxide and castor oil polyoxyethylene ether as raw materials, quartz powder, organic silicon, zinc stearate and ethylene glycol butyl ether as auxiliary materials, and a whitening agent, a dispersing agent, a leveling agent, a thickening agent and a curing agent are added to form an auxiliary agent by mixing, so that the metal corrosion-resistant coating has excellent antirust, wear-resistant, corrosion-resistant and crack-resistant properties, is uniform and compact in film layer and good in surface smoothness, can be coated on the surface of a shell of power equipment, and can effectively prevent the shell from rusting and reduce the maintenance frequency of the power equipment.
(2) In the invention, the modified smectite is added, and in the preparation process of the modified smectite, the fluotitanic acid can change the structure and pore channels of the smectite, increase the adsorption quantity of the smectite to phosphorus powder, further greatly improve the metal stabilizing performance of the modified smectite, and further improve the corrosion resistance and crack resistance of the metal corrosion-resistant coating.
(3) The preparation method of the metal corrosion-resistant coating has simple process flow, can realize the production and processing of the metal corrosion-resistant coating by one device, effectively improves the production efficiency and reduces the production cost.
(4) When the corrosion-resistant coating production device works, corrosion-resistant coating raw materials are placed in the stirring cylinder, the driving motor drives the stirring shaft to rotate, the first stirring blade and the second stirring blade stir and mix materials, the gear transmission mechanism is arranged, the stirring cylinder can be driven to rotate at the same time, the rotation direction of the stirring cylinder is opposite to that of the stirring rotating shaft, so that the third stirring blade is driven to rotate reversely, the first stirring blade, the second stirring blade and the third stirring blade are matched for stirring, the stirring effect is greatly improved, the corrosion-resistant coating is stirred and mixed more fully, the production efficiency is improved, the three stirring blades are driven by one motor, the energy is greatly saved, and the production cost of the corrosion-resistant coating is reduced.
Drawings
FIG. 1 is a flow chart of a method for preparing a metallic corrosion-resistant coating according to the present invention;
FIG. 2 is a schematic view showing the construction of an apparatus for producing a corrosion-resistant coating material according to the present invention;
fig. 3 is a schematic structural view of the gear transmission mechanism of the present invention.
The reference numbers in the figures illustrate:
1 machine body, 2 mixing drums, 4 support columns, 5 mixing rotating shafts, 6 gear transmission mechanisms, external 601 gears, 602 internal gears, 603 transmission gears, 7 driving motors, 9 connecting blocks, 10 connecting rods, 11 first mixing blades, 12 mixing rods, 13 second mixing blades, 14 third mixing blades, 15 discharge ports and 151 discharge pipes.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
a metal corrosion-resistant coating for power equipment maintenance comprises the following components in parts by weight:
40-60 parts of epoxy resin, 30-40 parts of o-cresol formaldehyde epoxy resin, 30-35 parts of nano zinc oxide, 30-40 parts of cerium oxide, 20-40 parts of castor oil polyoxyethylene ether, 10-18 parts of aluminum silicate, 12-16 parts of quartz powder, 4-6 parts of organic silicon, 3-8 parts of zinc stearate, 4-7 parts of ethylene glycol butyl ether, 3-7 parts of modified smectite and 10-20 parts of an auxiliary agent.
The auxiliary agent comprises a whitening agent, a dispersing agent, a flatting agent, a thickening agent and a curing agent, wherein the mass ratio of the whitening agent to the dispersing agent to the flatting agent to the thickening agent to the curing agent is 1-1.5: 2-5: 2-4: 1-4: 3-7.
Wherein the whitening agent is one or a mixture of more than two of stilbene derivatives, phenylpyrazoline derivatives, benzimidazole derivatives and phenylpyrazole derivatives; the dispersant is one of barium stearate, zinc stearate and microcrystalline paraffin; leveling agent mixture of polydimethylsiloxane and polymethylphenyl siloxane; the thickener is one or more of carboxymethyl cellulose, propylene glycol alginate, methyl cellulose, and sodium starch phosphate; the curing agent is one or a mixture of more than two of aliphatic polyamine, alicyclic polyamine, low molecular polyamide and modified aromatic amine.
The preparation method of the modified smectite comprises the following steps: crushing the smectite, uniformly mixing the smectite with the phosphorus powder, adding 35-45 wt% of fluotitanic acid, heating to 35-55 ℃, and reacting for 1-2 hours under the condition of heat preservation to obtain the modified smectite.
The metal corrosion-resistant coating disclosed by the invention is prepared from epoxy resin, o-cresol formaldehyde epoxy resin, nano zinc oxide, cerium oxide and castor oil polyoxyethylene ether as raw materials, quartz powder, organic silicon, zinc stearate and ethylene glycol butyl ether as auxiliary materials, and a whitening agent, a dispersing agent, a leveling agent, a thickening agent and a curing agent are added to form an auxiliary agent by mixing, so that the metal corrosion-resistant coating has excellent antirust, wear-resistant, corrosion-resistant and crack-resistant properties, is uniform and compact in film layer and good in surface smoothness, can be coated on the surface of a shell of power equipment, and can effectively prevent the shell from rusting and reduce the maintenance frequency of the power equipment.
In the invention, the modified smectite is added, and in the preparation process of the modified smectite, the fluotitanic acid can change the structure and pore channels of the smectite, increase the adsorption quantity of the smectite to phosphorus powder, further greatly improve the metal stabilizing performance of the modified smectite, and further improve the corrosion resistance and crack resistance of the metal corrosion-resistant coating.
Referring to fig. 1, a method for preparing a metal corrosion-resistant coating for power equipment maintenance includes the following steps:
s1, preparing raw materials according to the weight portion: epoxy resin, o-cresol formaldehyde epoxy resin, nano zinc oxide, cerium oxide, castor oil polyoxyethylene ether, aluminum silicate, quartz powder, organic silicon, zinc stearate, ethylene glycol butyl ether, modified smectite and an auxiliary agent;
s2, adding epoxy resin, o-cresol formaldehyde epoxy resin, nano zinc oxide, cerium oxide and castor oil polyoxyethylene ether into a corrosion-resistant paint production device, and fully and uniformly mixing to obtain a mixed solution A;
s3, adding aluminum silicate, quartz powder, organic silicon, zinc stearate and ethylene glycol monobutyl ether into the mixed solution A, and fully and uniformly mixing to obtain mixed solution B;
s4, adding the modified smectite into the mixed solution B, and fully and uniformly mixing to obtain a mixed solution C;
and S5, adding an auxiliary agent into the mixed solution C, and fully and uniformly mixing to obtain the metal corrosion-resistant coating.
In S2, the mixing temperature is 40-60 ℃, the rotation speed is 1000-1500rpm, and the mixing time is 30-40 min.
In S4, the mixing temperature is 50-60 ℃, the rotation speed is 500-800rpm, and the mixing time is 30-40 min.
Referring to fig. 2-3, the apparatus for producing corrosion resistant coating includes a machine body 1, a mixing drum 2 is disposed inside the machine body 1, the mixing drum 2 and the machine body 1 are coaxially disposed, a charging opening is disposed at the left end of the upper side of the mixing drum 2, a supporting column 4 is fixed at the center of the inner wall of the lower side of the machine body 1, the bottom end of the mixing drum 2 is fixed on the supporting column 4, a bearing is disposed at the contact position of the mixing drum 2 and the supporting column 4, a mixing rotating shaft 5 is vertically disposed inside the mixing drum 2, the top end of the mixing rotating shaft 5 extends out of the top end of the machine body 1 and is connected with a driving motor 7, a gear transmission mechanism 6 is disposed at the connection position of the mixing rotating shaft 5 and the mixing drum 2, a first mixing blade 11 is disposed on the mixing rotating shaft 5, the first mixing blade 11 is a spiral mixing blade, a connecting block 9 is disposed between the, the equal welded connection in left and right sides of connecting block 9 has connecting rod 10, and the tip of connecting rod 10 all is equipped with puddler 12, is equipped with the second stirring vane 13 that the symmetry set up on the outer wall of puddler 12, and it has third stirring vane 14 still evenly distributed on the inner wall of churn 2, and second stirring vane 13 and third stirring vane 14 are crisscross the setting from top to bottom.
The gear transmission mechanism 6 comprises an external gear 601 sleeved on the outer wall of the stirring rotating shaft 5 and an internal gear 602 fixed on the stirring cylinder 2 and arranged on the axis of the upper side wall of the stirring cylinder 2, the external gear 601 and the internal gear 602 are coaxially and coplanarly arranged, a transmission gear 603 is arranged between the external gear 601 and the internal gear 602, and the transmission gear 603 is respectively connected with the external gear 601 and the internal gear 602 in a meshing manner.
The bottom of the mixing drum 2 is provided with a discharge hole 15, a discharge valve is arranged on the discharge hole 15, and the right bottom end of the machine body 1 is connected with a discharge pipe 151.
The during operation of corrosion resistant coating apparatus for producing, put into 2 insides of churn with corrosion resistant coating raw materials, driving motor 7 drives (mixing) shaft 5 rotatory, first stirring vane 11 and second stirring vane 13 stir the mixture to the material, owing to set up gear 6, can drive 2 rotations of churn simultaneously, and churn 2 is opposite with the direction of rotation of stirring pivot 5, thereby drive 14 antiport of third stirring vane, through first stirring vane 11, second stirring vane 13 and the cooperation stirring of third stirring vane 14, great improvement the stirring effect, make corrosion resistant coating stirring mix more fully, and improved production efficiency, and three stirring vane is driven by a motor, great saving the energy, corrosion resistant coating's manufacturing cost has been reduced.
The foregoing is only a preferred embodiment of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a power equipment maintains uses metal corrosion resistant coating which characterized in that: the paint comprises the following components in parts by weight:
40-60 parts of epoxy resin, 30-40 parts of o-cresol formaldehyde epoxy resin, 30-35 parts of nano zinc oxide, 30-40 parts of cerium oxide, 20-40 parts of castor oil polyoxyethylene ether, 10-18 parts of aluminum silicate, 12-16 parts of quartz powder, 4-6 parts of organic silicon, 3-8 parts of zinc stearate, 4-7 parts of ethylene glycol butyl ether, 3-7 parts of modified smectite and 10-20 parts of an auxiliary agent.
2. The metal corrosion-resistant coating for the maintenance of electric equipment according to claim 1, wherein: the auxiliary agent comprises a whitening agent, a dispersing agent, a flatting agent, a thickening agent and a curing agent, wherein the mass ratio of the whitening agent to the dispersing agent to the flatting agent to the thickening agent to the curing agent is 1-1.5: 2-5: 2-4: 1-4: 3-7.
3. The metal corrosion-resistant coating for the maintenance of electric equipment according to claim 2, wherein: the whitening agent is one or a mixture of more than two of stilbene derivatives, phenyl pyrazoline derivatives, benzimidazole derivatives and phenyl pyrazole derivatives;
the dispersing agent is one of barium stearate, zinc stearate and microcrystalline paraffin;
the leveling agent is a mixture of polydimethylsiloxane and polymethylphenylsiloxane;
the thickening agent is one or a mixture of more than two of carboxymethyl cellulose, propylene glycol alginate, methyl cellulose and sodium starch phosphate;
the curing agent is one or a mixture of more than two of aliphatic polyamine, alicyclic polyamine, low molecular polyamide and modified arylamine.
4. The metal corrosion-resistant coating for the maintenance of electric equipment according to claim 1, wherein: the preparation method of the modified smectite comprises the following steps: crushing the smectite, uniformly mixing the smectite with the phosphorus powder, adding 35-45 wt% of fluotitanic acid, heating to 35-55 ℃, and reacting for 1-2 hours under the condition of heat preservation to obtain the modified smectite.
5. A method for preparing the metal corrosion-resistant coating for the maintenance of electric power equipment according to any one of claims 1 to 4, wherein the method comprises the following steps: the method comprises the following steps:
s1, preparing raw materials according to the weight portion: epoxy resin, o-cresol formaldehyde epoxy resin, nano zinc oxide, cerium oxide, castor oil polyoxyethylene ether, aluminum silicate, quartz powder, organic silicon, zinc stearate, ethylene glycol butyl ether, modified smectite and an auxiliary agent;
s2, adding epoxy resin, o-cresol formaldehyde epoxy resin, nano zinc oxide, cerium oxide and castor oil polyoxyethylene ether into a corrosion-resistant paint production device, and fully and uniformly mixing to obtain a mixed solution A;
s3, adding aluminum silicate, quartz powder, organic silicon, zinc stearate and ethylene glycol monobutyl ether into the mixed solution A, and fully and uniformly mixing to obtain mixed solution B;
s4, adding the modified smectite into the mixed solution B, and fully and uniformly mixing to obtain a mixed solution C;
and S5, adding an auxiliary agent into the mixed solution C, and fully and uniformly mixing to obtain the metal corrosion-resistant coating.
6. The preparation method of the metal corrosion-resistant coating for the maintenance of the electrical equipment, according to claim 5, is characterized in that: in the S2, the mixing temperature is 40-60 ℃, the rotation speed is 1000-1500rpm, and the mixing time is 30-40 min.
7. The preparation method of the metal corrosion-resistant coating for the maintenance of the electrical equipment, according to claim 5, is characterized in that: in the S4, the mixing temperature is 50-60 ℃, the rotation speed is 500-800rpm, and the mixing time is 30-40 min.
8. The preparation method of the metal corrosion-resistant coating for the maintenance of the electrical equipment, according to claim 5, is characterized in that: the corrosion-resistant paint production device comprises a machine body (1), a mixing drum (2) is arranged inside the machine body (1), the mixing drum (2) and the machine body (1) are coaxially arranged, a feeding hole is formed in the left end of the upper side of the mixing drum (2), a support column (4) is fixed in the center of the inner wall of the lower side of the machine body (1), the bottom end of the mixing drum (2) is fixed on the support column (4), a bearing is arranged at the contact position of the mixing drum (2) and the support column (4), a stirring rotating shaft (5) is vertically arranged inside the mixing drum (2), the top end of the stirring rotating shaft (5) extends out of the top end of the machine body (1) and is connected with a driving motor (7), a gear transmission mechanism (6) is arranged at the joint of the stirring rotating shaft (5) and the mixing drum (2), a first stirring blade (11) is arranged on the stirring rotating shaft (5), and the first stirring blade (, lie in on the outer wall of stirring pivot (5) and be equipped with connecting block (9) between gear drive (6) and first stirring vane (11), connecting block (9) welding is on the outer wall of stirring pivot (5), the equal welded connection in the left and right sides of connecting block (9) has connecting rod (10), the tip of connecting rod (10) all is equipped with puddler (12), be equipped with second stirring vane (13) that the symmetry set up on the outer wall of puddler (12), it has third stirring vane (14) to go back evenly distributed on the inner wall of churn (2), crisscross setting from top to bottom second stirring vane (13) and third stirring vane (14).
9. The method for preparing the metal corrosion-resistant coating for the maintenance of the electrical equipment, according to claim 8, is characterized in that: the gear transmission mechanism (6) comprises an outer gear (601) sleeved on the outer wall of the stirring rotating shaft (5) and an inner gear (602) fixed on the stirring cylinder (2) and arranged on the axis of the upper side wall of the stirring cylinder (2), the outer gear (601) and the inner gear (602) are arranged in a coaxial and coplanar manner, a transmission gear (603) is arranged between the outer gear (601) and the inner gear (602), and the transmission gear (603) is respectively meshed with the outer gear (601) and the inner gear (602) and is connected with the outer gear (601) and the inner gear (602).
10. The method for preparing the metal corrosion-resistant coating for the maintenance of the electrical equipment, according to claim 8, is characterized in that: the bottom of churn (2) is equipped with discharge gate (15) and is equipped with the bleeder valve on discharge gate (15), is connected with discharging pipe (151) in the right side bottom of organism (1).
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| CN201911137401.0A CN112898861A (en) | 2019-11-19 | 2019-11-19 | Metal corrosion-resistant coating for power equipment maintenance and preparation method thereof |
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| CN201911137401.0A CN112898861A (en) | 2019-11-19 | 2019-11-19 | Metal corrosion-resistant coating for power equipment maintenance and preparation method thereof |
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Application publication date: 20210604 |