CN114292563A - Novel wear-resistant coating for hydraulic end valve box of fracturing truck - Google Patents
Novel wear-resistant coating for hydraulic end valve box of fracturing truck Download PDFInfo
- Publication number
- CN114292563A CN114292563A CN202111516253.0A CN202111516253A CN114292563A CN 114292563 A CN114292563 A CN 114292563A CN 202111516253 A CN202111516253 A CN 202111516253A CN 114292563 A CN114292563 A CN 114292563A
- Authority
- CN
- China
- Prior art keywords
- parts
- powder
- coating
- substrate
- end valve
- 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
- 239000011248 coating agent Substances 0.000 title claims abstract description 63
- 238000000576 coating method Methods 0.000 title claims abstract description 63
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000002131 composite material Substances 0.000 claims abstract description 25
- 239000003822 epoxy resin Substances 0.000 claims abstract description 25
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 239000000835 fiber Substances 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 21
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910000480 nickel oxide Inorganic materials 0.000 claims abstract description 21
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 19
- 239000003960 organic solvent Substances 0.000 claims abstract description 19
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims description 54
- 238000010438 heat treatment Methods 0.000 claims description 26
- 238000001816 cooling Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 22
- 239000000843 powder Substances 0.000 claims description 21
- 239000002994 raw material Substances 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 18
- 238000007598 dipping method Methods 0.000 claims description 17
- 239000011812 mixed powder Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 238000004132 cross linking Methods 0.000 claims description 8
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 6
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052753 mercury Inorganic materials 0.000 claims description 5
- 238000000197 pyrolysis Methods 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 238000001291 vacuum drying Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 3
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical group FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- -1 polydimethylsiloxane Polymers 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000011800 void material Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 2
- 239000011253 protective coating Substances 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 239000004593 Epoxy Substances 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 14
- 239000002245 particle Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a novel anti-wear coating for a hydraulic end valve box of a fracturing truck, which comprises the following specific components in parts by weight: the invention relates to the technical field of protective coatings, in particular to a composite epoxy resin coating which comprises, by weight, 60-90 parts of composite epoxy resin, 20-40 parts of colloidal molybdenum disulfide, 20-50 parts of copper oxide powder, 20-50 parts of graphite powder, 20-50 parts of nickel oxide, 20-50 parts of nano zinc powder, 10-30 parts of an auxiliary agent, 10-30 parts of an organic solvent and 10-30 parts of a flatting agent. This novel fracturing unit truck fluid end valve case coating that wear-resistants, through adopting compound epoxy, firmly cohere various components in the coating together, and produce good cohesive force with the base member, make it form firm coating on the base member surface, the addition of oxidation copper powder, can improve the mechanical strength and the surface hardness of coating to a certain extent, improve the wear resistance of coating, and adopt the method of flooding, can let the even attached to the surface of box of coating, and adhesive force is stronger, be difficult to drop, before the flooding, weld a deck metal fiber layer on the surface of box.
Description
Technical Field
The invention relates to the technical field of protective coatings, in particular to a novel wear-resistant coating for a hydraulic end valve box of a fracturing truck.
Background
The special vehicle is used for injecting high-pressure and large-discharge fracturing fluid into a well, pressing a stratum open and extruding a propping agent into a crack, is mainly used for various fracturing operations of oil, gas and water wells, can also be used for operations such as hydraulic sand blasting, coal mine high-pressure hydraulic coal mining, ship high-pressure hydraulic rust removal and the like, can be used for single-machine and online operations, mainly comprises a vehicle-carrying chassis, a vehicle platform engine, a vehicle platform transmission case, a fracturing pump, a manifold transmission case, a fracturing pump, a pipe manifold system, a circuit system, a gas circuit system, a hydraulic system and the like, is mainly composed of the vehicle-carrying chassis, the vehicle platform engine, the vehicle platform transmission case, the fracturing pump, the pipe manifold system, the lubricating system, the circuit system, the gas circuit system, the hydraulic system and the like, is a base material coated by an anti-sticking coating layer with friction force, the ratio of the thickness of the coating layer to the longest diameter of the ceramic particles is 0.8-2.0, and the other base material coated by the anti-sticking coating layer with friction force, the coating comprises a primer layer and a topcoat layer, the ratio of the total thickness of the primer layer and topcoat layer to the longest diameter of the ceramic particles being 0.8 to 2.0, and a composition capable of forming an adherent coating on a smooth substrate and exhibiting wear resistance, wherein the amount of ceramic particles is sufficient to provide at least 3 such particles per 1 cm long cross-section of the coating formed from said composition.
The surface of hydraulic end valve case exposes externally throughout the year, and the lacquer on surface can drop, reduces the guard action, and the temperature difference is one big moreover, and the fracture appears in the surface easily, and later stage just drops easily, and wear resistance is not good, receives the quality loss that easily causes the coating after the friction.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a novel antiwear coating for a hydraulic end valve box of a fracturing truck, which solves the problems that paint on the surface can fall off, the protection effect is reduced, the surface is easy to crack due to a large temperature difference, the paint can fall off easily in the later period, the wear resistance is poor, and the quality of the coating is easy to lose after friction.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a novel fracturing unit truck hydraulic end valve case coating that wear-resistants, the raw materials include following specific composition: 60-90 parts of composite epoxy resin, 20-40 parts of colloidal molybdenum disulfide, 20-50 parts of copper oxide powder, 20-50 parts of graphite powder, 20-50 parts of nickel oxide, 20-50 parts of nano zinc powder, 10-30 parts of an auxiliary agent, 10-30 parts of an organic solvent and 10-30 parts of a flatting agent.
Preferably, the raw material components are as follows according to the weight ratio: 75 parts of composite epoxy resin, 30 parts of colloidal molybdenum disulfide, 35 parts of copper oxide powder, 35 parts of graphite powder, 35 parts of nickel oxide, 35 parts of nano zinc powder, 20 parts of an auxiliary agent, 20 parts of an organic solvent and 20 parts of a flatting agent.
Preferably, the raw material components are as follows according to the weight ratio: 60 parts of composite epoxy resin, 20 parts of colloidal molybdenum disulfide, 20 parts of copper oxide powder, 20 parts of graphite powder, 20 parts of nickel oxide, 20 parts of nano zinc powder, 10 parts of an auxiliary agent, 10 parts of an organic solvent and 10 parts of a flatting agent.
Preferably, the raw material components are as follows according to the weight ratio: 90 parts of composite epoxy resin, 40 parts of colloidal molybdenum disulfide, 50 parts of copper oxide powder, 50 parts of graphite powder, 50 parts of nickel oxide, 50 parts of nano zinc powder, 30 parts of an auxiliary agent, 30 parts of an organic solvent and 30 parts of a flatting agent.
Preferably, the composite epoxy resin comprises wear-resistant powder, resin and a curing agent, wherein the wear-resistant powder is selected from one or more of silicon carbide powder, brown fused alumina powder, tungsten carbide powder, boron nitride powder and silicon nitride powder, and the mass fraction of the wear-resistant powder accounts for 35-45% of that of the composite epoxy resin.
Preferably, the auxiliary agent is one or a mixture of polydimethylsiloxane and glycerol stearate.
Preferably, the organic solvent is acetone and/or butanone, and the leveling agent is a fluorocarbon surfactant or EO comb polyether modified organosilicon.
Preferably, the manufacturing process of the novel antiwear coating for the hydraulic end valve box of the fracturing truck specifically comprises the following steps:
s1, processing raw materials: selecting a proper amount of copper oxide powder, graphite powder, nickel oxide and nano zinc powder, putting the copper oxide powder, the graphite powder, the nickel oxide and the nano zinc powder into a ball mill, starting the ball mill to grind the copper oxide powder for 20-30 minutes, then transferring the obtained material into a vacuum drying box at the temperature of 75-85 ℃, drying the material for 3-4 hours, then sieving the material, and collecting 120-mesh 130-mesh mixed powder;
s2, mixing materials: pouring the mixed powder prepared in the step S1 into a stirrer, adding a proper amount of composite epoxy resin and colloidal molybdenum disulfide, starting the stirrer to stir, adjusting the temperature inside the stirrer to 50-80 ℃, controlling the stirring time to be 20-30 minutes, adding a proper amount of auxiliary agent, organic solvent and flatting agent, starting the stirrer again, stirring for 30-50 minutes at the stirring temperature of 70-90 ℃, and fully mixing the raw materials to obtain a mixed coating;
s3, use of the coating: firstly cleaning the surface of a box body, removing dirt, such as oil stain and oxide, on the surface of the box body, taking the cleaned box body as a substrate, preheating the substrate, wherein the preheating temperature of the substrate is 100-200 ℃, then welding a metal fiber layer on the surface of the substrate, wherein the metal fiber layer comprises a plurality of metal fibers which are welded with the surface of the substrate, the metal fibers divide a plurality of void areas on the surface of the substrate, adopting a dipping and pulling method to dip the substrate in a mixed coating, dipping the substrate at a dropping speed of 800-, keeping the temperature for 2-3 hours, reducing the temperature to room temperature at a cooling rate of 1-2 ℃/minute, then carrying out pyrolysis treatment on the substrate after the crosslinking treatment, heating to 350-450 ℃ at a heating rate of 3-4 ℃/minute, heating to 850-950 ℃ at a heating rate of 2-3 ℃/minute, keeping the temperature for 1-2 hours, reducing the temperature to 350-450 ℃ at a cooling rate of 2-3 ℃/minute, and reducing the temperature to room temperature at a cooling rate of 3-4 ℃/minute;
s4, subsequent processing: curing the impregnated box body, wherein the curing is carried out by irradiation under a high-pressure mercury lamp with the light intensity of 400-4000Mw and the wavelength of 200-500nm, and the curing time is 5-30 minutes.
Advantageous effects
The invention provides a novel wear-resistant coating for a hydraulic end valve box of a fracturing truck. Compared with the prior art, the method has the following beneficial effects: this novel fracturing unit truck hydraulic end valve case coating that wear-resistants, the raw materials include following specific composition: 60-90 parts of composite epoxy resin, 20-40 parts of colloidal molybdenum disulfide, 20-50 parts of copper oxide powder, 20-50 parts of graphite powder, 20-50 parts of nickel oxide, 20-50 parts of nano zinc powder, 10-30 parts of auxiliary agent, 10-30 parts of organic solvent and 10-30 parts of flatting agent, various components in the coating are firmly bonded together by adopting the composite epoxy resin, and good bonding force is generated between the coating and a matrix, so that a firm coating is formed on the surface of the matrix, the mechanical strength and the surface hardness of the coating can be improved to a certain extent by adding the copper oxide powder, the wear resistance of the coating is improved, and the coating can be uniformly attached to the surface of a box body by adopting a dipping method, the adhesion is stronger, the coating is not easy to fall off, a metal fiber layer is welded on the surface of the box body before dipping, can effectively prevent the coating from cracking.
Drawings
FIG. 1 is a flow chart of a process for fabricating a junction according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a novel fracturing unit truck hydraulic end valve case coating that wear-resistants, the raw materials include following specific composition: 60-90 parts of composite epoxy resin, 20-40 parts of colloidal molybdenum disulfide, 20-50 parts of copper oxide powder, 20-50 parts of graphite powder, 20-50 parts of nickel oxide, 20-50 parts of nano zinc powder, 10-30 parts of an auxiliary agent, 10-30 parts of an organic solvent and 10-30 parts of a flatting agent.
The composite epoxy resin comprises wear-resistant powder, resin and a curing agent, wherein the wear-resistant powder is selected from one or more of silicon carbide powder, brown fused alumina powder, tungsten carbide powder, boron nitride powder and silicon nitride powder, and the mass fraction of the wear-resistant powder accounts for 35-45% of that of the composite epoxy resin.
In the invention, the auxiliary agent is one or a mixture of polydimethylsiloxane and glycerol stearate.
In the invention, the organic solvent is acetone and/or butanone, and the leveling agent is fluorocarbon surfactant or EO dressing polyether modified organic silicon.
The invention discloses a novel antiwear coating for a hydraulic end valve box of a fracturing truck, which comprises the following steps:
example one
S1, processing raw materials: selecting 35 parts of copper oxide powder, 35 parts of graphite powder, 35 parts of nickel oxide and 35 parts of nano zinc powder, putting the copper oxide powder, the graphite powder, the nickel oxide and the nano zinc powder into a ball mill, starting the ball mill to grind the copper oxide powder for 20-30 minutes, then transferring the obtained material into a vacuum drying oven at 80 ℃, drying the material for 3.5 hours, then sieving the material, and collecting 125-mesh mixed powder;
s2, mixing materials: pouring the mixed powder prepared in the step S1 into a stirrer, adding 75 parts of composite epoxy resin and 30 parts of colloidal molybdenum disulfide, starting the stirrer to stir, adjusting the temperature inside the stirrer to 65 ℃, controlling the stirring time to be 25 minutes, adding 20 parts of auxiliary agent, 20 parts of organic solvent and 20 parts of flatting agent, starting the stirrer again, stirring for 40 minutes at 80 ℃, and fully mixing the raw materials to obtain a mixed coating;
s3, use of the coating: firstly cleaning the surface of a box body, removing dirt, such as oil stain and oxide, on the surface of the box body, taking the cleaned box body as a substrate, preheating the substrate, wherein the preheating temperature of the substrate is 150 ℃, then welding a metal fiber layer on the surface of the substrate, wherein the metal fiber layer comprises a plurality of metal fibers which are welded with the surface of the substrate, dividing the metal fibers into a plurality of gap areas on the surface of the substrate, adopting a dipping and pulling method to dip the substrate in a mixed coating, dipping the substrate at a dropping speed of 1150 mu m/s and a pulling speed of 1150 mu m/s, keeping the substrate in a dipping solution for 4 minutes, circulating for 2 times, then performing cross-linking treatment on the dipped substrate, heating to 190 ℃ at a heating speed of 1.5 ℃/min, preserving heat for 2.5 hours, cooling to room temperature at a cooling speed of 1.5 ℃/min, then carrying out pyrolysis treatment on the substrate after the crosslinking treatment, heating to 400 ℃ at a heating rate of 3.5 ℃/min, heating to 900 ℃ at a heating rate of 2.5 ℃/min, keeping the temperature for 1.5 hours, cooling to 400 ℃ at a cooling rate of 2.5 ℃/min, and cooling to room temperature at a cooling rate of 3.5 ℃/min;
s4, subsequent processing: and curing the impregnated box body, wherein the curing is carried out by irradiation under a high-pressure mercury lamp with the light intensity of 2200Mw and the wavelength of 350nm, and the curing time is 17 minutes.
Example two
S1, processing raw materials: selecting 20 parts of copper oxide powder, 20 parts of graphite powder, 20 parts of nickel oxide and 20 parts of nano zinc powder, putting the copper oxide powder, the graphite powder, the nickel oxide and the nano zinc powder into a ball mill, starting the ball mill to grind the copper oxide powder for 20 minutes, then transferring the obtained material into a vacuum drying oven at 75 ℃, drying the material for 3 hours, then sieving the material, and collecting 120-mesh mixed powder;
s2, mixing materials: pouring the mixed powder prepared in the step S1 into a stirrer, adding 60 parts of composite epoxy resin and 20 parts of colloidal molybdenum disulfide, starting the stirrer to stir, adjusting the temperature inside the stirrer to 50 ℃, controlling the stirring time to be 20 minutes, adding 10 parts of auxiliary agent, 10 parts of organic solvent and 10 parts of flatting agent, starting the stirrer again, stirring for 30 minutes at the stirring temperature of 70 ℃, and fully mixing the raw materials to obtain a mixed coating;
s3, use of the coating: firstly cleaning the surface of a box body, removing dirt, such as oil stain and oxide, on the surface of the box body, taking the cleaned box body as a substrate, preheating the substrate, wherein the preheating temperature of the substrate is 100 ℃, then welding a metal fiber layer on the surface of the substrate, wherein the metal fiber layer comprises a plurality of metal fibers which are welded with the surface of the substrate, dividing the metal fibers into a plurality of gap areas on the surface of the substrate, adopting a dipping and pulling method to dip the substrate in a mixed coating, dipping the substrate at a dropping speed of 800 mu m/s and a pulling speed of 800 mu m/s, keeping the substrate in a dipping solution for 2 minutes, circulating for 1-3 times, then performing cross-linking treatment on the dipped substrate, heating to 180 ℃ at a heating speed of 1 ℃/minute, preserving heat for 2 hours, cooling to room temperature at a cooling speed of 1 ℃/minute, then carrying out pyrolysis treatment on the substrate after the crosslinking treatment, heating to 350 ℃ at a heating rate of 3 ℃/min, heating to 850-950 ℃ at a heating rate of 2-3 ℃/min, preserving heat for 1 hour, cooling to 350 ℃ at a cooling rate of 2 ℃/min, and cooling to room temperature at a cooling rate of 3 ℃/min;
s4, subsequent processing: and curing the impregnated box body, wherein the curing is carried out by irradiation under a high-pressure mercury lamp with the light intensity of 400Mw and the wavelength of 200nm, and the curing time is 5 minutes.
EXAMPLE III
S1, processing raw materials: selecting 50 parts of copper oxide powder, 50 parts of graphite powder, 50 parts of nickel oxide and 50 parts of nano zinc powder, putting the copper oxide powder, the graphite powder, the nickel oxide and the nano zinc powder into a ball mill, starting the ball mill to grind the copper oxide powder for 30 minutes, then transferring the obtained material into a vacuum drying oven at 85 ℃, drying the material for 4 hours, then sieving the material, and collecting 130-mesh mixed powder;
s2, mixing materials: pouring the mixed powder prepared in the step S1 into a stirrer, adding 90 parts of composite epoxy resin and 40 parts of colloidal molybdenum disulfide, starting the stirrer to stir, adjusting the temperature inside the stirrer to 80 ℃, controlling the stirring time to be 30 minutes, adding 30 parts of auxiliary agent, 30 parts of organic solvent and 30 parts of flatting agent, starting the stirrer again, stirring for 50 minutes at 90 ℃ to fully mix the raw materials to obtain a mixed coating;
s3, use of the coating: firstly cleaning the surface of a box body, removing dirt, such as oil stain and oxide, on the surface of the box body, taking the cleaned box body as a substrate, preheating the substrate, wherein the temperature of the preheating treatment of the substrate is 200 ℃, then welding a metal fiber layer on the surface of the substrate, wherein the metal fiber layer comprises a plurality of metal fibers which are welded with the surface of the substrate, dividing the metal fibers into a plurality of gap areas on the surface of the substrate, adopting a dipping and pulling method to dip the substrate in a mixed coating, dipping the substrate at a dropping speed of 1500 mu m/s and a pulling speed of 1500 mu m/s, keeping the substrate in a dipping solution for 5 minutes, circulating for 3 times, then performing crosslinking treatment on the dipped substrate, heating to 200 ℃ at a heating speed of 2 ℃/min, preserving heat for 3 hours, cooling to room temperature at a cooling speed of 2 ℃/min, then carrying out pyrolysis treatment on the substrate after the crosslinking treatment, heating to 450 ℃ at a heating rate of 4 ℃/min, heating to 950 ℃ at a heating rate of 3 ℃/min, preserving heat for 2 hours, cooling to 450 ℃ at a cooling rate of 3 ℃/min, and cooling to room temperature at a cooling rate of 4 ℃/min;
s4, subsequent processing: and curing the impregnated box body for 30 minutes by irradiating under a high-pressure mercury lamp with the light intensity of 4000Mw and the wavelength of 500 nm.
And those not described in detail in this specification are well within the skill of those in the art.
Effects of the embodiment
Randomly selecting a common wear-resistant coating as a control group, respectively testing the wear resistance, the strength and the corrosion resistance of the coating under the detection conditions consistent with those described above, recording the result, operating at the same time and under the same conditions, and simultaneously counting data and making a statistical table chart in the detection process, wherein the statistical table chart is as follows:
wherein, the wear resistance is tested by a rotating friction rubber wheel method, and the mass loss of the sample after 1000 circles is taken as the wear resistance index;
the corrosion resistance is based on the experimental result of the sample in the neutral salt spray test, and the experimental phenomenon is taken as a technical index, wherein the experimental condition of the salt spray test is 35 ℃, the used reagent is 5% sodium chloride solution, and the experimental time is 48 hours;
according to the above table, by adopting the composite epoxy resin, various components in the coating are firmly bonded together and generate good bonding force with the substrate, so that a firm coating is formed on the surface of the substrate, the addition of the copper oxide powder can improve the mechanical strength and surface hardness of the coating to a certain extent and improve the wear resistance of the coating, and by adopting a dipping method, the coating can be uniformly attached to the surface of the box body, the adhesion is stronger, the coating is not easy to fall off, and a metal fiber layer is welded on the surface of the box body before dipping, so that the coating can be effectively prevented from cracking.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a novel fracturing unit truck hydraulic end valve case coating that wear-resistants which characterized in that: the raw materials comprise the following specific components: 60-90 parts of composite epoxy resin, 20-40 parts of colloidal molybdenum disulfide, 20-50 parts of copper oxide powder, 20-50 parts of graphite powder, 20-50 parts of nickel oxide, 20-50 parts of nano zinc powder, 10-30 parts of an auxiliary agent, 10-30 parts of an organic solvent and 10-30 parts of a flatting agent.
2. The novel antiwear coating for a hydraulic end valve box of a fracturing truck as claimed in claim 1, wherein: the raw material components are as follows by weight: 75 parts of composite epoxy resin, 30 parts of colloidal molybdenum disulfide, 35 parts of copper oxide powder, 35 parts of graphite powder, 35 parts of nickel oxide, 35 parts of nano zinc powder, 20 parts of an auxiliary agent, 20 parts of an organic solvent and 20 parts of a flatting agent.
3. The novel antiwear coating for a hydraulic end valve box of a fracturing truck as claimed in claim 1, wherein: the raw material components are as follows by weight: 60 parts of composite epoxy resin, 20 parts of colloidal molybdenum disulfide, 20 parts of copper oxide powder, 20 parts of graphite powder, 20 parts of nickel oxide, 20 parts of nano zinc powder, 10 parts of an auxiliary agent, 10 parts of an organic solvent and 10 parts of a flatting agent.
4. The novel antiwear coating for a hydraulic end valve box of a fracturing truck as claimed in claim 1, wherein: the raw material components are as follows by weight: 90 parts of composite epoxy resin, 40 parts of colloidal molybdenum disulfide, 50 parts of copper oxide powder, 50 parts of graphite powder, 50 parts of nickel oxide, 50 parts of nano zinc powder, 30 parts of an auxiliary agent, 30 parts of an organic solvent and 30 parts of a flatting agent.
5. The novel antiwear coating for a hydraulic end valve box of a fracturing truck as claimed in claim 1, wherein: the composite epoxy resin comprises wear-resistant powder, resin and a curing agent, wherein the wear-resistant powder is selected from one or more of silicon carbide powder, brown fused alumina powder, tungsten carbide powder, boron nitride powder and silicon nitride powder, and the mass fraction of the wear-resistant powder accounts for 35-45% of that of the composite epoxy resin.
6. The novel antiwear coating for a hydraulic end valve box of a fracturing truck as claimed in claim 1, wherein: the auxiliary agent is one or a mixture of polydimethylsiloxane and glycerol stearate.
7. The novel antiwear coating for a hydraulic end valve box of a fracturing truck as claimed in claim 1, wherein: the organic solvent is acetone and/or butanone, and the leveling agent is fluorocarbon surfactant or EO comb polyether modified organic silicon.
8. The novel antiwear coating for a hydraulic end valve box of a fracturing truck as claimed in claims 1-7, wherein: the manufacturing process specifically comprises the following steps:
s1, processing raw materials: selecting a proper amount of copper oxide powder, graphite powder, nickel oxide and nano zinc powder, putting the copper oxide powder, the graphite powder, the nickel oxide and the nano zinc powder into a ball mill, starting the ball mill to grind the copper oxide powder for 20-30 minutes, then transferring the obtained material into a vacuum drying box at the temperature of 75-85 ℃, drying the material for 3-4 hours, then sieving the material, and collecting 120-mesh 130-mesh mixed powder;
s2, mixing materials: pouring the mixed powder prepared in the step S1 into a stirrer, adding a proper amount of composite epoxy resin and colloidal molybdenum disulfide, starting the stirrer to stir, adjusting the temperature inside the stirrer to 50-80 ℃, controlling the stirring time to be 20-30 minutes, adding a proper amount of auxiliary agent, organic solvent and flatting agent, starting the stirrer again, stirring for 30-50 minutes at the stirring temperature of 70-90 ℃, and fully mixing the raw materials to obtain a mixed coating;
s3, use of the coating: firstly cleaning the surface of a box body, removing dirt, such as oil stain and oxide, on the surface of the box body, taking the cleaned box body as a substrate, preheating the substrate, wherein the preheating temperature of the substrate is 100-200 ℃, then welding a metal fiber layer on the surface of the substrate, wherein the metal fiber layer comprises a plurality of metal fibers which are welded with the surface of the substrate, the metal fibers divide a plurality of void areas on the surface of the substrate, adopting a dipping and pulling method to dip the substrate in a mixed coating, dipping the substrate at a dropping speed of 800-, keeping the temperature for 2-3 hours, reducing the temperature to room temperature at a cooling rate of 1-2 ℃/minute, then carrying out pyrolysis treatment on the substrate after the crosslinking treatment, heating to 350-450 ℃ at a heating rate of 3-4 ℃/minute, heating to 850-950 ℃ at a heating rate of 2-3 ℃/minute, keeping the temperature for 1-2 hours, reducing the temperature to 350-450 ℃ at a cooling rate of 2-3 ℃/minute, and reducing the temperature to room temperature at a cooling rate of 3-4 ℃/minute;
s4, subsequent processing: curing the impregnated box body, wherein the curing is carried out by irradiation under a high-pressure mercury lamp with the light intensity of 400-4000Mw and the wavelength of 200-500nm, and the curing time is 5-30 minutes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111516253.0A CN114292563A (en) | 2021-12-08 | 2021-12-08 | Novel wear-resistant coating for hydraulic end valve box of fracturing truck |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111516253.0A CN114292563A (en) | 2021-12-08 | 2021-12-08 | Novel wear-resistant coating for hydraulic end valve box of fracturing truck |
Publications (1)
Publication Number | Publication Date |
---|---|
CN114292563A true CN114292563A (en) | 2022-04-08 |
Family
ID=80966936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111516253.0A Pending CN114292563A (en) | 2021-12-08 | 2021-12-08 | Novel wear-resistant coating for hydraulic end valve box of fracturing truck |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114292563A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105925127A (en) * | 2016-05-09 | 2016-09-07 | 江苏建中能源科技有限公司 | Wear-resistant paint and production method thereof |
CN109486339A (en) * | 2017-09-11 | 2019-03-19 | 中国科学院金属研究所 | A kind of wear-resistant and corrosion-resistant paint and the preparation method and application thereof |
CN110744886A (en) * | 2019-11-01 | 2020-02-04 | 南方科技大学 | Metal protective film and preparation method thereof |
CN112538309A (en) * | 2020-11-12 | 2021-03-23 | 浙江机电职业技术学院 | Wear-resistant anti-seismic coating and preparation method thereof |
AU2021104183A4 (en) * | 2021-07-15 | 2021-09-09 | Leasen Steel International Pty Ltd | High-corrosion-resistant and heat-insulating aluminium-magnesium-manganese plate coating, aluminium-magnesium-manganese plate containing same and their preparation methods |
-
2021
- 2021-12-08 CN CN202111516253.0A patent/CN114292563A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105925127A (en) * | 2016-05-09 | 2016-09-07 | 江苏建中能源科技有限公司 | Wear-resistant paint and production method thereof |
CN109486339A (en) * | 2017-09-11 | 2019-03-19 | 中国科学院金属研究所 | A kind of wear-resistant and corrosion-resistant paint and the preparation method and application thereof |
CN110744886A (en) * | 2019-11-01 | 2020-02-04 | 南方科技大学 | Metal protective film and preparation method thereof |
CN112538309A (en) * | 2020-11-12 | 2021-03-23 | 浙江机电职业技术学院 | Wear-resistant anti-seismic coating and preparation method thereof |
AU2021104183A4 (en) * | 2021-07-15 | 2021-09-09 | Leasen Steel International Pty Ltd | High-corrosion-resistant and heat-insulating aluminium-magnesium-manganese plate coating, aluminium-magnesium-manganese plate containing same and their preparation methods |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101535420B (en) | Abradable dry film lubricant and its coating method and the article of making thus | |
CN103216530B (en) | A kind of bearing shell | |
CN109797361B (en) | Preparation method of high-corrosion-resistance wear-resistant coating on surface of soluble magnesium alloy | |
Riddle et al. | Friction and wear reduction via an Ni-B electroless bath coating for metal alloys | |
US5112698A (en) | Ceramic coating | |
CN111575703B (en) | Ceramic reinforced graphite self-lubricating coating on titanium alloy surface and preparation method thereof | |
JP6018576B2 (en) | Process for coating threaded tubular component, threaded tubular component and method for manufacturing the same, and threaded tubular connection | |
CZ293506B6 (en) | Method for hardfacing a metal surface with a wear-resistant coating and slurry for hardfaung a metal surface | |
US4271212A (en) | Method of coating hot glass contacting surfaces | |
CN103748247A (en) | Tungsten-carbide-based spray powder, and substrate with tungsten-carbide-based thermally sprayed layer | |
CN108864841B (en) | Preparation method of carbon fiber modified polytetrafluoroethylene wear-resistant hydrophobic composite coating | |
CN107630215A (en) | A kind of wear resistant corrosion resistant processing method of workpiece surface | |
CN112646485A (en) | Preparation method of hydrophobic wax-proof composite coating and hydrophobic wax-proof composite coating | |
CN111575704A (en) | Rare earth-containing titanium alloy surface self-lubricating wear-resistant coating and preparation method thereof | |
EP2284295B1 (en) | Sealing of pinholes in electroless metal coatings | |
CN105386040A (en) | Method for preparing WC/graphite composite coating on surface of titanium alloy | |
CN114292563A (en) | Novel wear-resistant coating for hydraulic end valve box of fracturing truck | |
JP6809780B2 (en) | Film, film system and coating method | |
CN101398122B (en) | Iron-chromium-boron-silicon/FeS composite solid lubrication thin film and method for making same | |
CN106118494A (en) | A kind of polishing material and its preparation method and application | |
US4360563A (en) | Composite material surface for handling hot glass | |
CN100525932C (en) | Anticorrosion powder-liquid cross-linked coating technology for inner wall of steel pipe | |
Tian et al. | Research of Microstructure, Friction and Wear on Siliconized Aluminum-Bronze With Different Silicon Powder Ratio | |
CN109574561B (en) | Preparation method of rounding and grinding mill for rail transit | |
US20200070310A1 (en) | Metal hybrid grinding wheel with coated filler particles |
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 | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220408 |