CN115160898A - Preparation method and application method of turbo-machine flow surface coating preparation - Google Patents
Preparation method and application method of turbo-machine flow surface coating preparation Download PDFInfo
- Publication number
- CN115160898A CN115160898A CN202210979052.2A CN202210979052A CN115160898A CN 115160898 A CN115160898 A CN 115160898A CN 202210979052 A CN202210979052 A CN 202210979052A CN 115160898 A CN115160898 A CN 115160898A
- Authority
- CN
- China
- Prior art keywords
- epoxy resin
- mixture
- preparation
- oxide
- silicon carbide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000000576 coating method Methods 0.000 title abstract description 31
- 239000011248 coating agent Substances 0.000 title abstract description 29
- 239000003822 epoxy resin Substances 0.000 claims abstract description 100
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 100
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 33
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 26
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 22
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 22
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000919 ceramic Substances 0.000 claims abstract description 20
- IUYLTEAJCNAMJK-UHFFFAOYSA-N cobalt(2+);oxygen(2-) Chemical compound [O-2].[Co+2] IUYLTEAJCNAMJK-UHFFFAOYSA-N 0.000 claims abstract description 20
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(II) oxide Inorganic materials [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 20
- 238000005507 spraying Methods 0.000 claims abstract description 13
- 239000007822 coupling agent Substances 0.000 claims abstract description 11
- 229920002635 polyurethane Polymers 0.000 claims abstract description 11
- 239000004814 polyurethane Substances 0.000 claims abstract description 11
- 239000000741 silica gel Substances 0.000 claims abstract description 11
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 11
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 11
- 230000001680 brushing effect Effects 0.000 claims abstract description 10
- 229910000423 chromium oxide Inorganic materials 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 97
- 238000003756 stirring Methods 0.000 claims description 15
- 239000008199 coating composition Substances 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 2
- 238000009472 formulation Methods 0.000 claims 6
- 238000005260 corrosion Methods 0.000 abstract description 4
- 238000009991 scouring Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- 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
- C08K2003/2251—Oxides; Hydroxides of metals of chromium
-
- 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
- C08K2003/2289—Oxides; Hydroxides of metals of cobalt
-
- 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
- C08K2201/011—Nanostructured additives
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention relates to the technical field of mechanical surface coatings, in particular to a preparation method and an application method of a flow surface coating preparation of a turbine machine. The preparation method comprises the steps of modifying epoxy resin by utilizing silicon carbide, ceramic short fiber powder, polytetrafluoroethylene, cobaltous oxide and chromium oxide, mixing the modified epoxy resin with a curing agent, a silica gel coupling agent, silicon dioxide and a polyurethane flatting agent to prepare an anti-abrasion and anti-corrosion coating suitable for the flow surface of the turbomachine, spraying or brushing by utilizing a spray gun or a brush, and curing at the temperature of 10-40 ℃. The invention can solve the problems of low coating thickness, poor coating link structure and weak anti-scouring capability of the existing coating, and is more suitable for the through-flow surface of turbine machinery.
Description
Technical Field
The invention relates to the technical field of mechanical surface coatings, in particular to a preparation method and an application method of a turbo-mechanical flow surface coating preparation.
Background
The turbomachinery has a common feature that a bladed rotor rotates at high speed, and when a fluid (gas or liquid) flows through passages between blades, the blades and the fluid produce a force interaction, thereby achieving energy conversion. The working medium of the turbomachinery can be gas, such as steam, gas, air and other gases or mixed gases, or can also be liquid, such as water, oil or other liquids, and has relatively high temperature and certain corrosivity, and the gas sometimes contains a certain amount of hard particles (such as dust and the like), so that the circulating surface of the turbomachinery can be corroded, eroded and abraded. The overall operation efficiency of the turbomachinery is affected, the service life of the turbomachinery is shortened, and shutdown, damage or safety accidents are caused in severe cases, so that it is necessary to add a coating to the flow surface of the turbomachinery.
Most of the prior coating technologies use resin and various oxide carbides for modification and solidification to achieve the service performance of special conditions, although the performances such as corrosion resistance and the like are improved to a certain extent, the coating still has many defects and is not suitable for turbine machinery, and the following problems exist through the summary of the practical trial process: 1. the coating thickness is insufficient, and cracking, falling and sagging phenomena occur after thickening and coating; 2. the scouring resistance and the adhesive force are insufficient, and the rotor is easy to fall off when the rotor rotates at 3000 revolutions; 3. the temperature is too sensitive, and due to different working conditions, large temperature difference exists, and the surface of the coating is cracked due to high and low temperature changes.
Disclosure of Invention
The invention aims to provide a preparation method and an application method of a coating preparation for a flow surface of a turbine machine, so as to prevent the flow surface of the turbine machine from being abraded or corroded, and prolong the service life of the turbine machine.
The invention provides a preparation method of a coating preparation for a flow surface of a turbine machine, which comprises the following steps:
s1: respectively and independently grinding and mixing a mixture of epoxy resin and silicon carbide, a mixture of epoxy resin and ceramic short fiber powder, a mixture of epoxy resin and polytetrafluoroethylene solution, a mixture of epoxy resin and cobaltous oxide and a mixture of epoxy resin and chromium oxide by using a rubber mill at a constant temperature;
s2: respectively stirring and standing a mixture of epoxy resin and silicon carbide, a mixture of epoxy resin and ceramic short fiber powder, a mixture of epoxy resin and polytetrafluoroethylene solution, a mixture of epoxy resin and cobaltous oxide and a mixture of epoxy resin and chromium oxide in a constant temperature state;
s3: and continuously adding a curing agent, a silica gel coupling agent, silicon dioxide and a polyurethane flatting agent into the mixture, stirring and standing.
Preferably, the mass ratio of the epoxy resin to the silicon carbide in the mixture of the epoxy resin and the silicon carbide is 20-50, the mass ratio of the epoxy resin to the ceramic short fiber powder in the mixture of the epoxy resin and the ceramic short fiber powder is 100-30, the mass ratio of the epoxy resin to the polytetrafluoroethylene solution in the mixture of the epoxy resin and the polytetrafluoroethylene solution is 100-50, the mass ratio of the epoxy resin to the cobaltous oxide in the mixture of the epoxy resin and the cobaltous oxide is 20-40, and the mass ratio of the epoxy resin to the chromic oxide in the mixture of the epoxy resin and the chromic oxide is 100.
Preferably, the mass ratio of the epoxy resin and silicon carbide mixture, the epoxy resin and ceramic short fiber powder mixture, the epoxy resin and polytetrafluoroethylene solution mixture, the epoxy resin and cobaltous oxide mixture, the epoxy resin and chromium oxide mixture, the curing agent, the silica gel coupling agent, the silicon dioxide and the polyurethane leveling agent is 100.
Preferably, the stirring time in the milling and mixing in S1 and the stirring time in S2 are both 200-300 minutes, and the stirring time in S3 is 30-60 minutes.
Preferably, the standing time in S2 is 40 minutes, and the standing time in S3 is 20 minutes.
Preferably, the constant temperature is 40 ℃.
The invention also provides a coating preparation for the flow surface of the turbine machine, which is prepared by the method.
The invention also provides an application method of the coating preparation for the flow surface of the turbine machinery, which comprises the following steps:
s1: spraying or brushing the prepared preparation: spraying or brushing by using a spray gun or a brush;
s2: and (3) curing process: and (5) standing to finish curing.
Preferably, all steps are performed at 10-40 degrees Celsius and the curing time in S2 is 24-30 hours.
Preferably, the spray gun has a diameter of 1.8 mm and a spraying or brushing thickness of 0.2-0.8 mm.
The preparation method and the application method of the coating preparation for the flow surface of the turbine machinery have the following beneficial effects:
1. the addition of the high-hardness silicon nano material effectively improves the hardness of the coating, so that the flow surface is more wear-resistant and corrosion-resistant;
2. the connection toughness is controlled by adding polytetrafluoroethylene, so that a better dispersion and linkage effect is realized;
3. through increasing the coating thickness in order to increase three-dimensional interlinkage intensity, increase adhesive force, can solve current coating thickness low, the coating interlinkage structure is poor, the weak problem of antiscour ability, more is applicable to turbine class machinery through-flow surface and uses.
Detailed Description
The following examples further describe embodiments of the present invention in detail. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1
The turbomachinery flow-through top coating formulation of this example was prepared as follows:
s1: respectively and independently grinding and mixing an epoxy resin and silicon carbide mixture, an epoxy resin and ceramic short fiber powder mixture, an epoxy resin and polytetrafluoroethylene solution mixture, an epoxy resin and cobaltous oxide mixture and a chromic oxide mixture for 200 minutes by using a colloid mill at a constant temperature of 40 ℃, wherein the mass ratio of the epoxy resin to the silicon carbide in the epoxy resin and silicon carbide mixture is 100;
s2: stirring the mixture of the epoxy resin and the silicon carbide, the mixture of the epoxy resin and the ceramic short fiber powder, the mixture of the epoxy resin and the polytetrafluoroethylene solution, the mixture of the epoxy resin and the cobaltous oxide and the mixture of the epoxy resin and the chromium oxide for 200 minutes at constant temperature, and standing for 40 minutes;
s3: and adding a curing agent, a silica gel coupling agent, silicon dioxide and a polyurethane flatting agent into the stirred preparation, stirring for 30 minutes, and standing for 20 minutes. The mass ratio of epoxy resin and silicon carbide mixture, epoxy resin and ceramic short fiber powder mixture, epoxy resin and polytetrafluoroethylene solution mixture, epoxy resin and cobaltous oxide mixture, epoxy resin and chromic oxide mixture, curing agent, silica gel coupling agent, silica, polyurethane leveling agent is 100.
Example 2
The turbomachinery flow-through top coating formulation of this example was prepared as follows:
s1: respectively and independently grinding and mixing an epoxy resin and silicon carbide mixture, an epoxy resin and ceramic short fiber powder mixture, an epoxy resin and polytetrafluoroethylene solution mixture, an epoxy resin and cobaltous oxide mixture and a chromic oxide mixture for 240 minutes by using a colloid mill at a constant temperature of 40 ℃, wherein the mass ratio of the epoxy resin to the silicon carbide in the epoxy resin and silicon carbide mixture is 100;
s2: respectively stirring the mixture of the epoxy resin and the silicon carbide, the mixture of the epoxy resin and the ceramic short fiber powder, the mixture of the epoxy resin and the polytetrafluoroethylene solution, the mixture of the epoxy resin and the cobaltous oxide and the mixture of the epoxy resin and the chromium oxide for 240 minutes at a constant temperature, and standing for 40 minutes;
s3: and adding a curing agent, a silica gel coupling agent, silicon dioxide and a polyurethane flatting agent into the stirred preparation, stirring for 45 minutes, and standing for 20 minutes. The mass ratio of epoxy resin and silicon carbide mixture, epoxy resin and ceramic short fiber powder mixture, epoxy resin and polytetrafluoroethylene solution mixture, epoxy resin and cobaltous oxide mixture, epoxy resin and chromic oxide mixture, curing agent, silica gel coupling agent, silica, polyurethane leveling agent is 100.
Example 3
The turbomachinery flow-through top coating formulation of this example was prepared as follows:
s1: respectively and independently grinding and mixing an epoxy resin and silicon carbide mixture, an epoxy resin and ceramic short fiber powder mixture, an epoxy resin and polytetrafluoroethylene solution mixture, an epoxy resin and cobaltous oxide mixture and a chromic oxide mixture for 300 minutes by using a colloid mill at a constant temperature of 40 ℃, wherein the mass ratio of the epoxy resin to the silicon carbide in the epoxy resin and silicon carbide mixture is 100;
s2: stirring the mixture of the epoxy resin and the silicon carbide, the mixture of the epoxy resin and the ceramic short fiber powder, the mixture of the epoxy resin and the polytetrafluoroethylene solution, the mixture of the epoxy resin and the cobaltous oxide and the mixture of the epoxy resin and the chromium oxide for 300 minutes at constant temperature, and standing for 40 minutes;
s3: and adding a curing agent, a silica gel coupling agent, silicon dioxide and a polyurethane flatting agent into the stirred preparation, stirring for 60 minutes, and standing for 20 minutes. The mass ratio of epoxy resin and silicon carbide mixture, epoxy resin and ceramic short fiber powder mixture, epoxy resin and polytetrafluoroethylene solution mixture, epoxy resin and cobaltous oxide mixture, epoxy resin and chromic oxide mixture, curing agent, silica gel coupling agent, silica, polyurethane leveling agent is 100.
The invention also provides a turbomachinery flow-through surface coating formulation prepared by the method of any of the above embodiments.
The invention also provides a method for applying the flow-through surface coating formulation of the turbo-machine, which is further described in detail with reference to the examples.
Example 1
The application method of the turbo-machine flow-through surface coating preparation specifically comprises the following steps:
s1: spraying or brushing the preparation by using a spray gun or a brush with the thickness of 1.8 mm at the temperature of 10 ℃, wherein the thickness of the spraying or brushing is 0.2 mm;
s2: and after spraying, curing at 10 ℃ for 24 hours.
Example 2
The application method of the turbo-machine flow-through surface coating preparation specifically comprises the following steps:
s1: spraying or brushing the preparation by using a spray gun or a brush with the thickness of 1.8 mm at the temperature of 25 ℃, wherein the thickness of the spray gun or the brush is 0.5 mm;
s2: after the spraying, the mixture is cured at 25 ℃ for 27 hours.
Example 3
The application method of the turbo-machine flow-through surface coating preparation specifically comprises the following steps:
s1: spraying or brushing the preparation by using a spray gun or a brush with the thickness of 1.8 mm at the temperature of 40 ℃, wherein the thickness of the spray gun or the brush is 0.8 mm;
s2: and after spraying, curing at 40 ℃ for 30 hours.
According to the invention, the high-hardness silicon nano material is added, so that the hardness of the coating is effectively improved, and the circulating surface is more wear-resistant and corrosion-resistant; the connection toughness is controlled by adding polytetrafluoroethylene, so that a better dispersed link effect is realized; through increasing the coating thickness in order to increase three-dimensional interlinkage intensity, increase adhesive force, can solve current coating thickness low, it is poor to interlinkage structure, the weak problem of scour resistance, more is applicable to turbine class machinery through-flow surface and uses.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. A method of preparing a turbomachinery flow-through top coating formulation, comprising the steps of:
s1: respectively and independently grinding and mixing a mixture of epoxy resin and silicon carbide, a mixture of epoxy resin and ceramic short fiber powder, a mixture of epoxy resin and polytetrafluoroethylene solution, a mixture of epoxy resin and cobaltous oxide and a mixture of epoxy resin and chromium oxide by using a rubber mill at a constant temperature;
s2: respectively stirring and standing a mixture of epoxy resin and silicon carbide, a mixture of epoxy resin and ceramic short fiber powder, a mixture of epoxy resin and polytetrafluoroethylene solution, a mixture of epoxy resin and cobaltous oxide and a mixture of epoxy resin and chromium oxide in a constant temperature state;
s3: and continuously adding a curing agent, a silica gel coupling agent, silicon dioxide and a polyurethane flatting agent into the mixture, stirring and standing.
2. The method for preparing the turbomachinery flow-through topcoat preparation of claim 1, wherein the mass ratio of the epoxy resin to the silicon carbide in the mixture of the epoxy resin and the silicon carbide is from 100 to 50, the mass ratio of the epoxy resin to the ceramic short fiber powder in the mixture of the epoxy resin and the ceramic short fiber powder is from 100 to 10 to 30, the mass ratio of the epoxy resin to the polytetrafluoroethylene solution in the mixture of the epoxy resin and the polytetrafluoroethylene solution is from 100 to 30 to 50, the mass ratio of the epoxy resin to the cobaltous oxide in the mixture of the epoxy resin and the cobaltous oxide is from 100 to 20 to 40, and the mass ratio of the epoxy resin to the chromic oxide in the mixture of the epoxy resin and the chromic oxide is from 100 to 20 to 50.
3. The method for preparing the turbomachinery flow-through topcoat preparation of claim 1, wherein the mass ratio of the epoxy resin and silicon carbide mixture, the epoxy resin and ceramic short fiber powder mixture, the epoxy resin and polytetrafluoroethylene solution mixture, the epoxy resin and cobaltous oxide mixture, the epoxy resin and chromic oxide mixture, the curing agent, the silica gel coupling agent, the silica, the polyurethane leveling agent is 100.
4. The method for preparing a turbomachinery flow-through topcoat formulation of claim 1, wherein the mixing in S1 and the stirring in S2 are both performed for 200 to 300 minutes, and the stirring in S3 is performed for 30 to 60 minutes.
5. The method of preparing a turbomachinery flow-through topcoat formulation of claim 1, wherein the rest time in S2 is 40 minutes, and the rest time in S3 is 20 minutes.
6. The method of preparing a turbomachinery flow-through topcoat formulation of claim 1, wherein the isothermal temperature is 40 degrees celsius.
7. A turbomachinery flow-through top coating formulation prepared by the process of any of claims 1 to 6.
8. A method of applying a turbomachinery flow-through top coating formulation comprising the steps of:
s1: spraying or brushing the formulation of claim 7: spraying or brushing by using a spray gun or a brush;
s2: and (3) curing: and (5) standing to finish curing.
9. The method for applying the turbomachinery flow-through topcoat formulation of claim 8, wherein all steps are performed at 10-40 degrees celsius and the cure time in S2 is 24-30 hours.
10. The method of applying the turbomachinery flow-through topcoat formulation of claim 8, wherein the spray gun has a diameter of 1.8 mm and a spray or brush thickness of 0.2 to 0.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210979052.2A CN115160898A (en) | 2022-08-16 | 2022-08-16 | Preparation method and application method of turbo-machine flow surface coating preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210979052.2A CN115160898A (en) | 2022-08-16 | 2022-08-16 | Preparation method and application method of turbo-machine flow surface coating preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115160898A true CN115160898A (en) | 2022-10-11 |
Family
ID=83478663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210979052.2A Pending CN115160898A (en) | 2022-08-16 | 2022-08-16 | Preparation method and application method of turbo-machine flow surface coating preparation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115160898A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251855A (en) * | 1998-10-16 | 2000-05-03 | 曲树蓁 | Antiwear and antiscaling paint |
| CN1791474A (en) * | 2003-05-16 | 2006-06-21 | 布卢薄膜有限责任公司 | Method for coating substrates with a carbon-based material |
| CN102358817A (en) * | 2011-09-15 | 2012-02-22 | 倪卫 | Corrosion resistance and wear resistance coating for phosphoric acid tail gas fan impeller |
| CN104893451A (en) * | 2015-06-11 | 2015-09-09 | 长沙理工大学 | Anti-cavitation and abrasion-resistant paint for water pump impellers and preparation method of paint |
| CN105339418A (en) * | 2013-04-24 | 2016-02-17 | Dic株式会社 | Inorganic fine particle composite body, method for producing same, composition and cured product |
| KR101814011B1 (en) * | 2017-07-19 | 2018-01-02 | 케이제이건설 주식회사 | Steel coating material, steel coating method using the same and steel coating system using the same |
| CN110272668A (en) * | 2019-06-19 | 2019-09-24 | 东南大学 | A kind of super-hydrophobic coat and preparation method thereof |
| CN113355010A (en) * | 2021-06-02 | 2021-09-07 | 山东丰普环保科技有限公司 | Super-smooth energy-saving coating material for water pump and preparation method thereof |
-
2022
- 2022-08-16 CN CN202210979052.2A patent/CN115160898A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251855A (en) * | 1998-10-16 | 2000-05-03 | 曲树蓁 | Antiwear and antiscaling paint |
| CN1791474A (en) * | 2003-05-16 | 2006-06-21 | 布卢薄膜有限责任公司 | Method for coating substrates with a carbon-based material |
| CN102358817A (en) * | 2011-09-15 | 2012-02-22 | 倪卫 | Corrosion resistance and wear resistance coating for phosphoric acid tail gas fan impeller |
| CN105339418A (en) * | 2013-04-24 | 2016-02-17 | Dic株式会社 | Inorganic fine particle composite body, method for producing same, composition and cured product |
| CN104893451A (en) * | 2015-06-11 | 2015-09-09 | 长沙理工大学 | Anti-cavitation and abrasion-resistant paint for water pump impellers and preparation method of paint |
| KR101814011B1 (en) * | 2017-07-19 | 2018-01-02 | 케이제이건설 주식회사 | Steel coating material, steel coating method using the same and steel coating system using the same |
| CN110272668A (en) * | 2019-06-19 | 2019-09-24 | 东南大学 | A kind of super-hydrophobic coat and preparation method thereof |
| CN113355010A (en) * | 2021-06-02 | 2021-09-07 | 山东丰普环保科技有限公司 | Super-smooth energy-saving coating material for water pump and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 智勤功: "油管内壁耐温耐磨涂层材料", 《材料保护》 * |
| 赵运才等: "《现代机械磨损及其工程技术》", 武汉：华中科技大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109486339B (en) | Wear-resistant anticorrosive paint and preparation method and application thereof | |
| CN103725195B (en) | A kind of super two thin pipeline coating and preparation method thereof | |
| CN102838921B (en) | Brushed high-strength abrasion-resistant anticorrosive coating and preparation method | |
| CN111019480B (en) | Abrasion-resistant surface treatment method for bottom ring of water turbine | |
| CN107541133A (en) | Graphene/ceramic particle modified synergic epoxy coating, its preparation method and application | |
| CN105885641A (en) | Overflow erosion abrasion-resistant coating for mechanical equipment and method for preparing overflow erosion abrasion-resistant coating | |
| CN110144510B (en) | Tungsten carbide-chromium carbide-nickel molybdenum composite powder, coating and preparation method thereof | |
| CN110305504A (en) | A kind of hydridization carbon nanotube enhancing wear resistant friction reducing ceramic coating and preparation method | |
| CN109233553A (en) | A kind of the abrasion repair coating and restorative procedure of desulfurization slurry pump | |
| CN113292901A (en) | Anticorrosive paint for blast furnace gas generator blade and preparation method and application thereof | |
| CN114806233B (en) | High-finish high-temperature-resistant anti-corrosion inorganic aluminum coating and application method thereof | |
| CN105623469B (en) | Graphene polymer energy-conserving and environment-protective composite coating and its preparation technology and application | |
| CN115160898A (en) | Preparation method and application method of turbo-machine flow surface coating preparation | |
| CN102633516B (en) | Wear-resistant and anti-corrosion puddle | |
| CN106048363A (en) | High-abrasion-resistance anti-scouring ceramic seal ring and preparation method thereof | |
| CN111748272A (en) | Preparation method of high cavitation erosion resistance coating | |
| CN105983689A (en) | Graphene-enhanced ceramic lining material for hydraulic steel tube | |
| CN105985105A (en) | Ceramic lining material for improving heat shock properties of hydraulic steel pipes | |
| CN213540812U (en) | Erosion-resistant repair coating for surface of impeller of slurry pump | |
| CN108953218A (en) | A kind of double-suction pump impeller of high-efficiency abrasion-proof and preparation method thereof | |
| CN109401387B (en) | Slurry capable of forming composite crystalline film | |
| CN112341894A (en) | Preparation method and application method of desulfurization circulating pump impeller surface coating | |
| CN112295877B (en) | Method for preventing local cavitation of flow passage component of water turbine | |
| CN105985106A (en) | Self-propagating synthesis ceramic lining material for hydraulic steel pipes | |
| CN111040585A (en) | Wear-resistant, corrosion-resistant and anti-corrosion coating for inner wall of reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20221011 |
|
| RJ01 | Rejection of invention patent application after publication |