CN107903679A - A kind of high duty metal of resistance to strong acid valve and its Surface heat-treatent modified technique - Google Patents
A kind of high duty metal of resistance to strong acid valve and its Surface heat-treatent modified technique Download PDFInfo
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- CN107903679A CN107903679A CN201711120306.0A CN201711120306A CN107903679A CN 107903679 A CN107903679 A CN 107903679A CN 201711120306 A CN201711120306 A CN 201711120306A CN 107903679 A CN107903679 A CN 107903679A
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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- 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
- C09D5/10—Anti-corrosive paints containing metal dust
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F17/00—Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
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Abstract
The invention discloses a kind of high duty metal of resistance to strong acid valve, the outer surface of metal valve is coated with resistance to strong acid high intensity layer, and resistance to strong acid high intensity is combined by first and second liang of components, first component：9 13 parts of epoxy resin, polyurethane：6 13 parts, titanium dioxide：8 15 parts, fluorographite：37 parts, barium sulfate：19 24 parts, thixotropic agents：8 13 parts, base-material lotion：14 19 parts, antifreezing agent：39 parts, filler：20 25 parts, auxiliary material：33 39 parts；Second component：Nano silicon dioxide：13 19 parts, butyl acrylate：11 19 parts, silane coupling agent：17 parts, wood fiber powder：14 19 parts, carbon fiber powder：20 25 parts, vapour phase inhibitor：8 14 parts, antimony oxide：10 14 parts, coalescents：19 22 parts, thickener：15 19 parts, defoamer：49 parts, curing agent：10 15 parts, the present invention not only increases work efficiency, and reduces the pollution to environment, reduces production cost, and step is simple, convenient operation.
Description
Technical field
The present invention relates to valve and its processing technique field, particularly relates to a kind of high duty metal of resistance to strong acid valve
And its Surface heat-treatent modified technique.
Background technology
Metal valve wear-corrosion resistance of the prior art is relatively low, and spoilage is larger, and the damage of valve is often brought up
The damage of product entirety, significantly increases scrappage, and environmental pollution also result in great threat, to improve metal valve
The utilization rate of door, reduces scrappage, time saving and energy saving, the present invention proposes a kind of high duty metal of resistance to strong acid valve and its surface heat
Handle modified technique.
The content of the invention
The technical problems to be solved by the invention are that shortcoming existing in the prior art proposes that a kind of resistance to strong acid is high for more than
Intensity metal valve and its Surface heat-treatent modified technique, not only increase work efficiency, and reduce production cost and
Spoilage, step is simple, convenient operation.
The present invention solve above technical problem technical solution be：
A kind of high duty metal of resistance to strong acid valve, including metal valve, the outer surface of metal valve are high coated with one layer of resistance to strong acid
Strength layer, resistance to strong acid high intensity press first by first and second liang of components：Second=1:3 ratio is combined, and first and second are included in terms of mass fraction
Following components：
Include following components in first component according to the mass fraction：9-13 parts of epoxy resin, polyurethane：6-13 parts, titanium dioxide：8-
15 parts, fluorographite：3-7 parts, barium sulfate：19-24 parts, thixotropic agents：8-13 parts, base-material lotion：14-19 parts, antifreezing agent：3-
9 parts, filler：20-25 parts, auxiliary material：33-39 parts；
Include following components in second component according to the mass fraction：Nano silicon dioxide：13-19 parts, butyl acrylate：11-19 parts,
Silane coupling agent：1-7 parts, wood fiber powder：14-19 parts, carbon fiber powder：20-25 parts, vapour phase inhibitor：8-14 parts, three oxidations
Two antimony：10-14 parts, coalescents：19-22 parts, thickener：15-19 parts, defoamer：4-9 parts, curing agent：10-15 parts；
Fluorographite particle diameter is 5-7 μm；Thixotropic agents are organo montmorillonite and aerosil；Base-material lotion is propylene yogurt
One or more in liquid, styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion or PVAc emulsion；Antifreezing agent is ethylene glycol；Filler is
Diatom ooze, talcum powder or dicalcium powder；Auxiliary material is compound rare-earth, and compound rare-earth includes following components by mass percentage：Dysprosium：
9-15%, cerium：23-28%, praseodymium：8-11%, neodymium：3-7%, remaining is that the sum of lanthanum element, above lanthanide rare each component is 100%；Into
Film auxiliary agent is one kind in ethylene glycol ethyl ether, butyl glycol ether, ethylene glycol or propane diols；Thickener is diatomite, Na-bentonite
One or several kinds in soil, polyurethane, polyvinyl alcohol or polyacrylamide；Defoamer is organosilicon, organosiloxane or acyl
One or more in amine；Curing agent be diethylenetriamine, ethylenediamine, triethylene tetramine or dimethylamine propylamine in one kind or
It is several.
The technical solution that further limits of the present invention is：
The foregoing high duty metal of resistance to strong acid valve, the outer surface of metal valve is coated with one layer of resistance to strong acid high intensity layer, resistance to strong
Sour high intensity presses first by first and second liang of components：Second=1:3 ratio is combined, and first and second include following components in terms of mass fraction：
Include following components in first component according to the mass fraction：9 parts of epoxy resin, polyurethane：6 parts, titanium dioxide：8 parts, fluorination
Graphite：3 parts, barium sulfate：19 parts, thixotropic agents：8 parts, base-material lotion：14 parts, antifreezing agent：3 parts, filler：20 parts, auxiliary material：33
Part；
Include following components in second component according to the mass fraction：Nano silicon dioxide：13 parts, butyl acrylate：11 parts, silane is even
Join agent：1 part, wood fiber powder：14 parts, carbon fiber powder：20 parts, vapour phase inhibitor：8 parts, antimony oxide：10 parts, film forming helps
Agent：19 parts, thickener：15 parts, defoamer：4 parts, curing agent：10 parts；
Fluorographite particle diameter is 5 μm；Thixotropic agents are organo montmorillonite and aerosil；Base-material lotion is propylene yogurt
One or more in liquid, styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion or PVAc emulsion；Antifreezing agent is ethylene glycol；Filler is
Diatom ooze, talcum powder or dicalcium powder；Auxiliary material is compound rare-earth, and compound rare-earth includes following components by mass percentage：Dysprosium：
9%, cerium：23%, praseodymium：8%, neodymium：3%, remaining is that the sum of lanthanum element, above lanthanide rare each component is 100%；Coalescents are second
One kind in glycol ether, butyl glycol ether, ethylene glycol or propane diols；Thickener for diatomite, sodium bentonite, polyurethane,
One or several kinds in polyvinyl alcohol or polyacrylamide；Defoamer is one kind in organosilicon, organosiloxane or acid amides
It is or several；Curing agent is the one or more in diethylenetriamine, ethylenediamine, triethylene tetramine or dimethylamine propylamine.
The foregoing high duty metal of resistance to strong acid valve, the outer surface of metal valve are coated with one layer of resistance to strong acid high intensity layer,
Resistance to strong acid high intensity presses first by first and second liang of components：Second=1:3 ratio is combined, and first and second are included with the following group in terms of mass fraction
Point：
Include following components in first component according to the mass fraction：Epoxy resin：13 parts, polyurethane：13 parts, titanium dioxide：15 parts,
Fluorographite：7 parts, barium sulfate：24 parts, thixotropic agents：13 parts, base-material lotion：19 parts, antifreezing agent：9 parts, filler：It is 25 parts, auxiliary
Material：39 parts；
Include following components in second component according to the mass fraction：Nano silicon dioxide：19 parts, butyl acrylate：19 parts, silane is even
Join agent：7 parts, wood fiber powder：19 parts, carbon fiber powder：25 parts, vapour phase inhibitor：14 parts, antimony oxide：14 parts, film forming helps
Agent：22 parts, thickener：19 parts, defoamer：9 parts, curing agent：15 parts；
Fluorographite particle diameter is 7 μm；Thixotropic agents are organo montmorillonite and aerosil；Base-material lotion is propylene yogurt
One or more in liquid, styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion or PVAc emulsion；Antifreezing agent is ethylene glycol；Filler is
Diatom ooze, talcum powder or dicalcium powder；Auxiliary material is compound rare-earth, and compound rare-earth includes following components by mass percentage：Dysprosium：
15%, cerium：28%, praseodymium：11%, neodymium：7%, remaining is that the sum of lanthanum element, above lanthanide rare each component is 100%；Coalescents are
One kind in ethylene glycol ethyl ether, butyl glycol ether, ethylene glycol or propane diols；Thickener is diatomite, sodium bentonite, poly- ammonia
One or several kinds in ester, polyvinyl alcohol or polyacrylamide；Defoamer is one in organosilicon, organosiloxane or acid amides
Kind is several；Curing agent is the one or more in diethylenetriamine, ethylenediamine, triethylene tetramine or dimethylamine propylamine.
The Surface heat-treatent modified technique of the foregoing high duty metal of resistance to strong acid valve, the technique are equipped with claim 1-3
The high duty metal of resistance to strong acid valve described in middle any claim, technique include following steps：
（One）Casting first is carried out to metal valve, is then polished valve surface, the valve polished smooth is immersed
Rinsed in solvent, rinsing time 40-45min；
（Two）Valve after the completion of rinsing is sent into chemical solvent tank and removes surface and oil contaminant, during degreasing at the same time
Ultrasonic cleaning, ultrasonic frequency vibratory 80-120MHz are carried out to valve；
（Three）Metal valve after the completion of cleaning is sent into vacuum annealing furnace and carries out first time heating, is heated to be for the first time pre-
Heat, the temperature of preheating is 250-230 DEG C, and temperature is continuously improved after preheating, and the speed of heating is 20 DEG C/min, works as heating-up temperature
When reaching 600 DEG C, keep the temperature 60-70min, second carried out after being then quickly cooled to 300 DEG C and is heated, firing rate for 60 DEG C/
Min, is heated to 800 DEG C, then keeps the temperature 2h, and vacuum annealing furnace can be sent out by being then quickly cooled to less than 30 DEG C；
（Four）Pre-oxidation treatment is carried out to the metal valve for sending out stove, is then sent into metal valve in the retort vacuumized,
Opening operation valve carries out nitrogen filling, and temperature is heated to 650-700 DEG C, slowly even when nitrogen gas component reaches 60%
Speed is filled with oxygen, and oxygen content 30%, keeps the temperature 2-3h, less than 40 DEG C are cooled to retort；
（Five）Metal valve is sent into glowing furnace, is heated to 750-800 DEG C, keeps the temperature 60-70min, it is 85- to control quenching oil temperature
95 DEG C, complete quenching；
（Six）It will complete the alloy after quenching to be sent into tempering furnace, be heated to 200 DEG C, keep the temperature natural cooling after 1h.
The Surface heat-treatent modified technique of the foregoing high duty metal of resistance to strong acid valve, step（Two）In middle chemical solvent tank
Solvent include following several components：Ichthyodin：13-18 parts, melamine：22-26 parts, sodium carbonate：7-15 parts, barium carbonate：
9-15 parts, calcium carbonate：7-9 parts.
The Surface heat-treatent modified technique of the foregoing high duty metal of resistance to strong acid valve, step（Four）Middle airing form is arteries and veins
Formula inflation is rushed, is first vacuumized before inflation every time.
Technical solution beneficial effect using the present invention is：Process designed by the present invention is right before the heat treatment
The step of valve is first once removed surface film oxide and forms one layer of coating, is conducive to accelerate the efficiency of Post isothermal treatment,
The Corrosion Protection of valve is strengthened, and deionized water is used as solvent, deionized water more ring during rinsing
Protect, and the degree of automation is high, 2 times of time is saved relative to traditional heat treatment method, while decrease twenty percent
Manpower, it is not only time saving and energy saving but also energy-efficient, in step（Two）In not only degreased by chemical solvent tank but also at the same time
Using ultrasonic cleaning, the cleaning to valve surface plays the role of double shield, beneficial to the high efficiency of heat treatment, in step
（Three）In when be heat-treated to valve, using repeatedly and constant-speed heating, the temperature of heating is not up to very high for the first time,
So valve will not be caused to damage and improve the efficiency of heat treatment, preferably reach the effect of anticipation, it is right after heat treatment
Valve carries out vacuum nitriding and quenching technical, preferably improves the wearability of valve and resistance to highly acid, extends product
2-3 times of service life.
Embodiment
Embodiment 1
The present embodiment provides a kind of high duty metal of resistance to strong acid valve, including metal valve, the outer surface of metal valve is coated with
One layer of resistance to strong acid high intensity layer, resistance to strong acid high intensity press first by first and second liang of components：Second=1:3 ratio is combined, and first and second with matter
Amount number meter includes following components：
Include following components in first component according to the mass fraction：9 parts of epoxy resin, polyurethane：6 parts, titanium dioxide：8 parts, fluorination
Graphite：3 parts, barium sulfate：19 parts, thixotropic agents：8 parts, base-material lotion：14 parts, antifreezing agent：3 parts, filler：20 parts, auxiliary material：33
Part；
Include following components in second component according to the mass fraction：Nano silicon dioxide：13 parts, butyl acrylate：11 parts, silane is even
Join agent：1 part, wood fiber powder：14 parts, carbon fiber powder：20 parts, vapour phase inhibitor：8 parts, antimony oxide：10 parts, film forming helps
Agent：19 parts, thickener：15 parts, defoamer：4 parts, curing agent：10 parts；
Fluorographite particle diameter is 5 μm；Thixotropic agents are organo montmorillonite and aerosil；Base-material lotion is propylene yogurt
One or more in liquid, styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion or PVAc emulsion；Antifreezing agent is ethylene glycol；Filler is
Diatom ooze, talcum powder or dicalcium powder；Auxiliary material is compound rare-earth, and compound rare-earth includes following components by mass percentage：Dysprosium：
9%, cerium：23%, praseodymium：8%, neodymium：3%, remaining is that the sum of lanthanum element, above lanthanide rare each component is 100%；Coalescents are second
One kind in glycol ether, butyl glycol ether, ethylene glycol or propane diols；Thickener for diatomite, sodium bentonite, polyurethane,
One or several kinds in polyvinyl alcohol or polyacrylamide；Defoamer is one kind in organosilicon, organosiloxane or acid amides
It is or several；Curing agent is the one or more in diethylenetriamine, ethylenediamine, triethylene tetramine or dimethylamine propylamine；
The Surface heat-treatent modified technique of the above-mentioned high duty metal of resistance to strong acid valve, including following steps：
（One）Casting first is carried out to metal valve, is then polished valve surface, the valve polished smooth is immersed
Rinsed in solvent, rinsing time 40min；
（Two）Valve after the completion of rinsing is sent into chemical solvent tank and removes surface and oil contaminant, during degreasing at the same time
Ultrasonic cleaning, ultrasonic frequency vibratory 80MHz are carried out to valve；
（Three）Metal valve after the completion of cleaning is sent into vacuum annealing furnace and carries out first time heating, is heated to be for the first time pre-
Heat, the temperature of preheating is 250 DEG C, and temperature is continuously improved after preheating, and the speed of heating is 20 DEG C/min, when heating-up temperature reaches
At 600 DEG C, 60min is kept the temperature, second is carried out after being then quickly cooled to 300 DEG C and is heated, firing rate is 60 DEG C/min, heating
To 800 DEG C, 2h is then kept the temperature, vacuum annealing furnace can be sent out by being then quickly cooled to less than 30 DEG C；
（Four）Pre-oxidation treatment is carried out to the metal valve for sending out stove, is then sent into metal valve in the retort vacuumized,
Opening operation valve carries out nitrogen filling, and temperature is heated to 650 DEG C, when nitrogen gas component reaches 60%, slowly at the uniform velocity fills
Enter oxygen, oxygen content 30%, keeps the temperature 2-3h, less than 40 DEG C are cooled to retort；
（Five）Metal valve is sent into glowing furnace, is heated to 750 DEG C, keeps the temperature 60min, it is 85 DEG C to control quenching oil temperature, is completed
Quenching；
（Six）It will complete the alloy after quenching to be sent into tempering furnace, be heated to 200 DEG C, keep the temperature natural cooling after 1h；
Step（Two）Solvent in middle chemical solvent tank includes following several components：Ichthyodin：13 parts, melamine：22 parts, carbon
Sour sodium：7 parts, barium carbonate：9 parts, calcium carbonate：7 parts；Step（Four）Middle airing form is inflated for pulsed, is first taken out before inflation every time
Vacuum.
Embodiment 2
The present embodiment provides a kind of high duty metal of resistance to strong acid valve, including metal valve, the outer surface of metal valve is coated with
One layer of resistance to strong acid high intensity layer, resistance to strong acid high intensity press first by first and second liang of components：Second=1:3 ratio is combined, and first and second with matter
Amount number meter includes following components：
Include following components in first component according to the mass fraction：Epoxy resin：13 parts, polyurethane：13 parts, titanium dioxide：15 parts,
Fluorographite：7 parts, barium sulfate：24 parts, thixotropic agents：13 parts, base-material lotion：19 parts, antifreezing agent：9 parts, filler：It is 25 parts, auxiliary
Material：39 parts；
Include following components in second component according to the mass fraction：Nano silicon dioxide：19 parts, butyl acrylate：19 parts, silane is even
Join agent：7 parts, wood fiber powder：19 parts, carbon fiber powder：25 parts, vapour phase inhibitor：14 parts, antimony oxide：14 parts, film forming helps
Agent：22 parts, thickener：19 parts, defoamer：9 parts, curing agent：15 parts；
Fluorographite particle diameter is 7 μm；Thixotropic agents are organo montmorillonite and aerosil；Base-material lotion is propylene yogurt
One or more in liquid, styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion or PVAc emulsion；Antifreezing agent is ethylene glycol；Filler is
Diatom ooze, talcum powder or dicalcium powder；Auxiliary material is compound rare-earth, and compound rare-earth includes following components by mass percentage：Dysprosium：
15%, cerium：28%, praseodymium：11%, neodymium：7%, remaining is that the sum of lanthanum element, above lanthanide rare each component is 100%；Coalescents are
One kind in ethylene glycol ethyl ether, butyl glycol ether, ethylene glycol or propane diols；Thickener is diatomite, sodium bentonite, poly- ammonia
One or several kinds in ester, polyvinyl alcohol or polyacrylamide；Defoamer is one in organosilicon, organosiloxane or acid amides
Kind is several；Curing agent is the one or more in diethylenetriamine, ethylenediamine, triethylene tetramine or dimethylamine propylamine；
The Surface heat-treatent modified technique of the above-mentioned high duty metal of resistance to strong acid valve, technique include following steps：
（One）Casting first is carried out to metal valve, is then polished valve surface, the valve polished smooth is immersed
Rinsed in solvent, rinsing time 45min；
（Two）Valve after the completion of rinsing is sent into chemical solvent tank and removes surface and oil contaminant, during degreasing at the same time
Ultrasonic cleaning, ultrasonic frequency vibratory 120MHz are carried out to valve；
（Three）Metal valve after the completion of cleaning is sent into vacuum annealing furnace and carries out first time heating, is heated to be for the first time pre-
Heat, the temperature of preheating is 230 DEG C, and temperature is continuously improved after preheating, and the speed of heating is 20 DEG C/min, when heating-up temperature reaches
At 600 DEG C, 70min is kept the temperature, second is carried out after being then quickly cooled to 300 DEG C and is heated, firing rate is 60 DEG C/min, heating
To 800 DEG C, 2h is then kept the temperature, vacuum annealing furnace can be sent out by being then quickly cooled to less than 30 DEG C；
（Four）Pre-oxidation treatment is carried out to the metal valve for sending out stove, is then sent into metal valve in the retort vacuumized,
Opening operation valve carries out nitrogen filling, and temperature is heated to 700 DEG C, when nitrogen gas component reaches 60%, slowly at the uniform velocity fills
Enter oxygen, oxygen content 30%, keeps the temperature 3h, less than 40 DEG C are cooled to retort；
（Five）Metal valve is sent into glowing furnace, is heated to 800 DEG C, keeps the temperature 70min, it is 95 DEG C to control quenching oil temperature, is completed
Quenching；
（Six）It will complete the alloy after quenching to be sent into tempering furnace, be heated to 200 DEG C, keep the temperature natural cooling after 1h；
Step（Two）Solvent in middle chemical solvent tank includes following several components：Ichthyodin：18 parts, melamine：26 parts, carbon
Sour sodium：15 parts, barium carbonate：15 parts, calcium carbonate：9 parts；Step（Four）Middle airing form is inflated for pulsed, every time before inflation first
Vacuumize.
Embodiment 3
The present embodiment provides a kind of high duty metal of resistance to strong acid valve, including metal valve, the outer surface of metal valve is coated with
One layer of resistance to strong acid high intensity layer, resistance to strong acid high intensity press first by first and second liang of components：Second=1:3 ratio is combined, and first and second with matter
Amount number meter includes following components：
Include following components in first component according to the mass fraction：Epoxy resin：11 parts, polyurethane：12 parts, titanium dioxide：12 parts,
Fluorographite：5 parts, barium sulfate：11 parts, thixotropic agents：12 parts, base-material lotion：16 parts, antifreezing agent：6 parts, filler：It is 22 parts, auxiliary
Material：35 parts；
Include following components in second component according to the mass fraction：Nano silicon dioxide：16 parts, butyl acrylate：13 parts, silane is even
Join agent：5 parts, wood fiber powder：16 parts, carbon fiber powder：22 parts, vapour phase inhibitor：13 parts, antimony oxide：12 parts, film forming helps
Agent：20 parts, thickener：16 parts, defoamer：5 parts, curing agent：12 parts；
Fluorographite particle diameter is 6 μm；Thixotropic agents are organo montmorillonite and aerosil；Base-material lotion is propylene yogurt
One or more in liquid, styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion or PVAc emulsion；Antifreezing agent is ethylene glycol；Filler is
Diatom ooze, talcum powder or dicalcium powder；Auxiliary material is compound rare-earth, and compound rare-earth includes following components by mass percentage：Dysprosium：
12%, cerium：25%, praseodymium：10%, neodymium：5%, remaining is that the sum of lanthanum element, above lanthanide rare each component is 100%；Coalescents are
One kind in ethylene glycol ethyl ether, butyl glycol ether, ethylene glycol or propane diols；Thickener is diatomite, sodium bentonite, poly- ammonia
One or several kinds in ester, polyvinyl alcohol or polyacrylamide；Defoamer is one in organosilicon, organosiloxane or acid amides
Kind is several；Curing agent is the one or more in diethylenetriamine, ethylenediamine, triethylene tetramine or dimethylamine propylamine；
The Surface heat-treatent modified technique of the above-mentioned high duty metal of resistance to strong acid valve, including following steps：
（One）Casting first is carried out to metal valve, is then polished valve surface, the valve polished smooth is immersed
Rinsed in solvent, rinsing time 42min；
（Two）Valve after the completion of rinsing is sent into chemical solvent tank and removes surface and oil contaminant, during degreasing at the same time
Ultrasonic cleaning, ultrasonic frequency vibratory 100MHz are carried out to valve；
（Three）Metal valve after the completion of cleaning is sent into vacuum annealing furnace and carries out first time heating, is heated to be for the first time pre-
Heat, the temperature of preheating is 220 DEG C, and temperature is continuously improved after preheating, and the speed of heating is 20 DEG C/min, when heating-up temperature reaches
At 600 DEG C, 65min is kept the temperature, second is carried out after being then quickly cooled to 300 DEG C and is heated, firing rate is 60 DEG C/min, heating
To 800 DEG C, 2h is then kept the temperature, vacuum annealing furnace can be sent out by being then quickly cooled to less than 30 DEG C；
（Four）Pre-oxidation treatment is carried out to the metal valve for sending out stove, is then sent into metal valve in the retort vacuumized,
Opening operation valve carries out nitrogen filling, and temperature is heated to 670 DEG C, when nitrogen gas component reaches 60%, slowly at the uniform velocity fills
Enter oxygen, oxygen content 30%, keeps the temperature 2.5h, less than 40 DEG C are cooled to retort；
（Five）Metal valve is sent into glowing furnace, is heated to 780 DEG C, keeps the temperature 65min, it is 90 DEG C to control quenching oil temperature, is completed
Quenching；
（Six）It will complete the alloy after quenching to be sent into tempering furnace, be heated to 200 DEG C, keep the temperature natural cooling after 1h；
Step（Two）Solvent in middle chemical solvent tank includes following several components：Ichthyodin：15 parts, melamine：23 parts, carbon
Sour sodium：13 parts, barium carbonate：12 parts, calcium carbonate：8 parts；Step（Four）Middle airing form is inflated for pulsed, every time before inflation first
Vacuumize.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape
Into technical solution, all fall within the protection domains of application claims.
Claims (6)
1. a kind of high duty metal of resistance to strong acid valve, including metal valve, it is characterised in that：The outer surface of the metal valve applies
One layer of resistance to strong acid high intensity layer is covered with, the resistance to strong acid high intensity presses first by first and second liang of components：Second=1:3 ratio is combined,
Described first and second include following components in terms of mass fraction：
Include following components in the first component according to the mass fraction：9-13 parts of epoxy resin, polyurethane：6-13 parts, titanium dioxide
Titanium：8-15 parts, fluorographite：3-7 parts, barium sulfate：19-24 parts, thixotropic agents：8-13 parts, base-material lotion：It is 14-19 parts, antifreeze
Agent：3-9 parts, filler：20-25 parts, auxiliary material：33-39 parts；
Include following components in the second component according to the mass fraction：Nano silicon dioxide：13-19 parts, butyl acrylate：11-
19 parts, silane coupling agent：1-7 parts, wood fiber powder：14-19 parts, carbon fiber powder：20-25 parts, vapour phase inhibitor：8-14 parts,
Antimony oxide：10-14 parts, coalescents：19-22 parts, thickener：15-19 parts, defoamer：4-9 parts, curing agent：10-15
Part；
The fluorographite particle diameter is 5-7 μm；The thixotropic agents are organo montmorillonite and aerosil；Described
Base-material lotion is the one or more in acrylic emulsion, styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion or PVAc emulsion；Institute
The antifreezing agent stated is ethylene glycol；The filler is diatom ooze, talcum powder or dicalcium powder；The auxiliary material is compound rare-earth,
The compound rare-earth includes following components by mass percentage：Dysprosium：9-15%, cerium：23-28%, praseodymium：8-11%, neodymium：3-7%, its
Remaining is that the sum of lanthanum element, above lanthanide rare each component is 100%；The coalescents are ethylene glycol ethyl ether, ethylene glycol fourth
One kind in ether, ethylene glycol or propane diols；The thickener is diatomite, sodium bentonite, polyurethane, polyvinyl alcohol or poly-
One or several kinds in acrylamide；The defoamer is the one or more in organosilicon, organosiloxane or acid amides；
The curing agent is the one or more in diethylenetriamine, ethylenediamine, triethylene tetramine or dimethylamine propylamine.
2. the high duty metal of resistance to strong acid valve according to claim 1, it is characterised in that：The outer surface of the metal valve
Coated with one layer of resistance to strong acid high intensity layer, the resistance to strong acid high intensity presses first by first and second liang of components：Second=1:3 ratio it is compound and
Into described first and second include following components in terms of mass fraction：
Include following components in the first component according to the mass fraction：9 parts of epoxy resin, polyurethane：6 parts, titanium dioxide：8 parts,
Fluorographite：3 parts, barium sulfate：19 parts, thixotropic agents：8 parts, base-material lotion：14 parts, antifreezing agent：3 parts, filler：It is 20 parts, auxiliary
Material：33 parts；
Include following components in the second component according to the mass fraction：Nano silicon dioxide：13 parts, butyl acrylate：11 parts, silicon
Alkane coupling agent：1 part, wood fiber powder：14 parts, carbon fiber powder：20 parts, vapour phase inhibitor：8 parts, antimony oxide：10 parts, into
Film auxiliary agent：19 parts, thickener：15 parts, defoamer：4 parts, curing agent：10 parts；
The fluorographite particle diameter is 5 μm；The thixotropic agents are organo montmorillonite and aerosil；The base
Material lotion is the one or more in acrylic emulsion, styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion or PVAc emulsion；It is described
Antifreezing agent be ethylene glycol；The filler is diatom ooze, talcum powder or dicalcium powder；The auxiliary material is compound rare-earth, institute
State compound rare-earth includes following components by mass percentage：Dysprosium：9%, cerium：23%, praseodymium：8%, neodymium：3%, remaining is lanthanum element, with
The sum of upper lanthanide rare each component is 100%；The coalescents are ethylene glycol ethyl ether, butyl glycol ether, ethylene glycol or the third two
One kind in alcohol；The thickener is one in diatomite, sodium bentonite, polyurethane, polyvinyl alcohol or polyacrylamide
Kind is several；The defoamer is the one or more in organosilicon, organosiloxane or acid amides；The curing agent is
One or more in diethylenetriamine, ethylenediamine, triethylene tetramine or dimethylamine propylamine.
3. the high duty metal of resistance to strong acid valve according to claim 1, it is characterised in that：The outer surface of the metal valve
Coated with one layer of resistance to strong acid high intensity layer, the resistance to strong acid high intensity presses first by first and second liang of components：Second=1:3 ratio it is compound and
Into described first and second include following components in terms of mass fraction：
Include following components in the first component according to the mass fraction：Epoxy resin：13 parts, polyurethane：13 parts, titanium dioxide：
15 parts, fluorographite：7 parts, barium sulfate：24 parts, thixotropic agents：13 parts, base-material lotion：19 parts, antifreezing agent：9 parts, filler：25
Part, auxiliary material：39 parts；
Include following components in the second component according to the mass fraction：Nano silicon dioxide：19 parts, butyl acrylate：19 parts, silicon
Alkane coupling agent：7 parts, wood fiber powder：19 parts, carbon fiber powder：25 parts, vapour phase inhibitor：14 parts, antimony oxide：14 parts, into
Film auxiliary agent：22 parts, thickener：19 parts, defoamer：9 parts, curing agent：15 parts；
The fluorographite particle diameter is 7 μm；The thixotropic agents are organo montmorillonite and aerosil；The base
Material lotion is the one or more in acrylic emulsion, styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion or PVAc emulsion；It is described
Antifreezing agent be ethylene glycol；The filler is diatom ooze, talcum powder or dicalcium powder；The auxiliary material is compound rare-earth, institute
State compound rare-earth includes following components by mass percentage：Dysprosium：15%, cerium：28%, praseodymium：11%, neodymium：7%, remaining is lanthanum element,
The sum of above lanthanide rare each component is 100%；The coalescents are ethylene glycol ethyl ether, butyl glycol ether, ethylene glycol or third
One kind in glycol；The thickener is in diatomite, sodium bentonite, polyurethane, polyvinyl alcohol or polyacrylamide
It is one or several kinds of；The defoamer is the one or more in organosilicon, organosiloxane or acid amides；The curing agent
For the one or more in diethylenetriamine, ethylenediamine, triethylene tetramine or dimethylamine propylamine.
4. a kind of Surface heat-treatent modified technique of the high duty metal of resistance to strong acid valve, which, which is equipped with claim 1-3, appoints
The high duty metal of resistance to strong acid valve described in one claim, it is characterised in that the technique includes following steps：
（One）Casting first is carried out to metal valve, is then polished valve surface, the valve polished smooth is immersed
Rinsed in solvent, rinsing time 40-45min；
（Two）Valve after the completion of rinsing is sent into chemical solvent tank and removes surface and oil contaminant, during degreasing at the same time
Ultrasonic cleaning, ultrasonic frequency vibratory 80-120MHz are carried out to valve；
（Three）Metal valve after the completion of cleaning is sent into vacuum annealing furnace and carries out first time heating, is heated to be for the first time pre-
Heat, the temperature of preheating is 250-230 DEG C, and temperature is continuously improved after preheating, and the speed of heating is 20 DEG C/min, works as heating-up temperature
When reaching 600 DEG C, keep the temperature 60-70min, second carried out after being then quickly cooled to 300 DEG C and is heated, firing rate for 60 DEG C/
Min, is heated to 800 DEG C, then keeps the temperature 2h, and vacuum annealing furnace can be sent out by being then quickly cooled to less than 30 DEG C；
（Four）Pre-oxidation treatment is carried out to the metal valve for sending out stove, is then sent into metal valve in the retort vacuumized,
Opening operation valve carries out nitrogen filling, and temperature is heated to 650-700 DEG C, slowly even when nitrogen gas component reaches 60%
Speed is filled with oxygen, and oxygen content 30%, keeps the temperature 2-3h, less than 40 DEG C are cooled to retort；
（Five）Metal valve is sent into glowing furnace, is heated to 750-800 DEG C, keeps the temperature 60-70min, it is 85- to control quenching oil temperature
95 DEG C, complete quenching；
（Six）It will complete the alloy after quenching to be sent into tempering furnace, be heated to 200 DEG C, keep the temperature natural cooling after 1h.
5. the Surface heat-treatent modified technique of the high duty metal of resistance to strong acid valve according to claim 4, it is characterised in that
Step（Two）Described in chemical solvent tank in solvent include following several components：Ichthyodin：13-18 parts, melamine：
22-26 parts, sodium carbonate：7-15 parts, barium carbonate：9-15 parts, calcium carbonate：7-9 parts.
6. the Surface heat-treatent modified technique of the high duty metal of resistance to strong acid valve according to claim 4, it is characterised in that
The step（Four）Middle airing form is inflated for pulsed, is first vacuumized before inflation every time.
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| CN110387180A (en) * | 2019-06-21 | 2019-10-29 | 王玉琢 | A kind of preparation method of shock resistance acid and alkali-resistance reflecting coating |
| CN116496078A (en) * | 2023-04-12 | 2023-07-28 | 上海新倬壮印刷科技有限公司 | Screen coating material and preparation method thereof |
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