CN106634436A - Production process of impact-resistant corrosion-resistant check valve - Google Patents

Production process of impact-resistant corrosion-resistant check valve Download PDF

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Publication number
CN106634436A
CN106634436A CN201611193166.5A CN201611193166A CN106634436A CN 106634436 A CN106634436 A CN 106634436A CN 201611193166 A CN201611193166 A CN 201611193166A CN 106634436 A CN106634436 A CN 106634436A
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parts
component
coupling agent
plasticizer
casting
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Inventor
袁增泉
丁学灵
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Suzhou Jing Yuan Oil Pressure Machinery Co Ltd
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Suzhou Jing Yuan Oil Pressure Machinery Co Ltd
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Priority to CN201611193166.5A priority Critical patent/CN106634436A/en
Publication of CN106634436A publication Critical patent/CN106634436A/en
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • 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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    • 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
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    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
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    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
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    • C09D7/63—Additives non-macromolecular organic
    • 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
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    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
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    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
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  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention discloses a production process of an impact-resistant corrosion-resistant check valve. The production process comprises the following steps: spraying a layer of paint onto the surface of a dried casting mold, preparing a casting ingredient from 80-90% of steel billet and 10-20% of scrap iron, and smelting the casting ingredient at 1680-1700 DEG C for 3.7-4.0 hours to obtain a casting raw material solution; killing the casting raw material solution with the added alloy elements for 3-5 minutes, and pouring into the casting mold at a pouring rate of 67-70kg/s at 1540-1550 DEG C for 1.5-2.5 seconds, wherein a small amount of modifier is added in the casting raw material solution in the pouring process, and the modifier comprises the following chemical components in percentage by mass: 92% of rare earth silicon, 3% of bismuth ingot, 3% of magnesium ingot and 2% of aluminum ingot; and after pouring, sequentially performing normalizing, tempering and quenching-and-tempering heat treatment on the check valve blank, cooling to room temperature, and performing fine grinding and shot blasting treatment to finally obtain the check valve.

Description

A kind of production technology of the corrosion-resistant check-valves of shock resistance
Technical field
The present invention relates to a kind of production technology of the corrosion-resistant check-valves of shock resistance.
Background technology
Because the chemical composition of F316/316L materials is consistent with F316L, and intensity is consistent with F316, thus both has Good intergranular corrosion resistance performance and good mechanical performance；In practical application, window frame as pipeline connector, then low Under the conditions of temperature, F316/316L materials window frame just becomes preferable product；But, because F316/316L materials have two kinds of materials concurrently The characteristic of material, is not easy to forging in actual production, therefore the forging of the window frame of F316/316L materials just becomes an exploitation in industry Focus.
The content of the invention
The technical problem to be solved is the shortcoming for overcoming prior art, there is provided a kind of shock resistance is corrosion-resistant only Return the production technology of valve.
In order to solve above technical problem, the present invention provides a kind of production technology of the corrosion-resistant check-valves of shock resistance, to baking Dry mo(U)ld face sprays a coating, and coating includes by mass percentage following components：Zirconium English powder：90-93%, phenolic aldehyde tree Fat：2-4%, organobentonite：1.5-2.5% and titanium dioxide：0.5-1%；
According to steel billet：80-90%, iron filings：The ratio allotment casting dispensing of 10-20%, carries out casting dispensing smelting and is cast Material solution, smelting temperature is 1680-1700 DEG C, and the duration of heat is 3.7-4.0h；Steel billet percentage by weight chemical composition is： C：0.25-0.35%, Si:0.85-1.25%, Mn:1.85-2.95%, P：0.04-0.05%, Ni:11-13%, Cr:16.5- 17.5%, Nb：0.15-0.20%, Cu:0.85-0.95%, N:0.08-0.11%, Mo::2.15-2.95%, Al:0.2-0.3%, S： 0.025-0.035%, Ti：0.03-0.04%, V：0.02-0.03%, B：0.002-0.004%, lanthanide rare：3-5%, it is balance of Fe；
The constituent mass percentage of lanthanide rare is：Lanthanum：20-24%, cerium：20-25%, samarium：14-16%, neodymium：14-16%, gadolinium：2- 4%, praseodymium：16-18%, dysprosium：5-6%, remaining lanthanide series：1-3%, above each component sum is 100%；
The cast raw material solution for being added into alloying element is carried out into calm 3-5min, then casting forms check-valves into casting mold Base, pouring temperature is 1540-1550 DEG C, and poring rate is 67-70kg/s, and the duration of pouring is 1.5-2.5s, in casting process A small amount of alterant is added in cast raw material solution；The chemical analysis mass percent of alterant is：Rare earth silicon 92%, bismuth ingot 3%, magnesium ingot 3%, aluminium ingot 2%；
Carry out to check-valves base normalizing, tempering and Tempering and Quenching after cast successively；
Refrigerating work procedure is carried out to check-valves base and is down to room temperature, and carry out fine grinding and Shot Blasting, finally give check-valves；
Non-return valve surface is coated with rust preventive oil enamelled coating；Rust preventive oil enamelled coating presses first by first and second liang of components：Second=2:1 ratio is answered Conjunction is formed, first and second in terms of mass fraction comprising following components：
Include following components in first component according to the mass fraction：Modifying epoxy resin by organosilicon：22-30 parts, pigment：9-12 parts, Filler：10-15 parts, plasticizer：11-15 parts, dispersant：9-13 parts, coalescents：15-18 parts, defoamer：7-11 parts；
Include following components in second component according to the mass fraction：Polyphenylene oxide resin powder：20-24 parts, butadiene-styrene rubber：12-15 parts, first Benzene：11-14 parts, plasticizer：4-7 parts, coupling agent：5-8 parts, auxiliary material：6-11 parts, fire retardant：2-5 parts；
Wherein, pigment is titanium dioxide；Filler is glass flake；Plasticizer in first and second components is tricresyl phosphate；Dispersion Agent is sodium tripolyphosphate；Coalescents are ethylene glycol ethyl ether；Defoamer is organosilicon；
Coupling agent is at least one in silane coupler or zirconium class coupling agent；Fire retardant selects phosphotriester；Auxiliary material is multiple Rare earth is closed, compound rare-earth includes by weight percentage following component：La：29-32%, Y：13-15%, Sc：16-18%, Gd：9- 11%, Sm：18-20%, Pr：9-11%, above each component sum is 100%.
The technical scheme that further limits of the invention is：
Further, the production technology of the corrosion-resistant check-valves of aforesaid shock resistance, the preparation method of rust preventive oil enamelled coating include with Under several steps：
（1）Pigment and filler in first component is delivered to and stir in agitator 15-20min, mixing speed is 100-110r/min, Modifying epoxy resin by organosilicon is subsequently adding, 10-15min is stirred, mixing speed is 120-125r/min, waited and be sufficiently mixed uniformly After sequentially add dispersant, coalescents and defoamer, finally add plasticizer adjusting coating to suitable viscosity, be filtrated to get anti- First component in corrosion skin of paint is stand-by；
（2）Butadiene-styrene rubber, auxiliary material and fire retardant are added in toluene and mixer is sent into, 10-15min is stirred, mixing speed is 130-135r/min, is subsequently adding polyphenylene oxide resin powder, stirs 20-25min, and mixing speed is 90-100r/min, waits fully mixed Coupling agent is added in mixer after closing uniformly, high-speed stirred 12-15min under high shear, mixing speed is 300- 320r/min, finally adds appropriate plasticizer adjusting coating to suitable viscosity, and filtration is obtained the second in anti-corrosion paint layer Component is stand-by；
（3）By step（2）In the second component for preparing be sprayed on step（1）In in the first component for preparing, obtain after being dried Rust preventive oil enamelled coating.
The production technology of the corrosion-resistant check-valves of aforesaid shock resistance, rust preventive oil enamelled coating presses first by first and second liang of components：Second=2: 1 ratio is composited, first and second in terms of mass fraction comprising following components：
Include following components in first component according to the mass fraction：Modifying epoxy resin by organosilicon：22 parts, pigment：9 parts, filler：10 Part, plasticizer：11 parts, dispersant：9 parts, coalescents：15 parts, defoamer：7 parts；
Include following components in second component according to the mass fraction：Polyphenylene oxide resin powder：20 parts, butadiene-styrene rubber：12 parts, toluene：11 Part, plasticizer：4 parts, coupling agent：5 parts, auxiliary material：6 parts, fire retardant：2 parts；
Coupling agent is at least one in silane coupler or zirconium class coupling agent；Fire retardant selects phosphotriester；Auxiliary material is multiple Rare earth is closed, compound rare-earth includes by weight percentage following component：La：30%, Y：14%, Sc：17%, Gd：10%, Sm：20%, Pr： 9%, above each component sum is 100%.
The production technology of the corrosion-resistant check-valves of aforesaid shock resistance, rust preventive oil enamelled coating presses first by first and second liang of components：Second=2: 1 ratio is composited, first and second in terms of mass fraction comprising following components：
Include following components in first component according to the mass fraction：Modifying epoxy resin by organosilicon：30 parts, pigment：12 parts, filler： 15 parts, plasticizer：15 parts, dispersant：13 parts, coalescents：18 parts, defoamer：11 parts；
Include following components in second component according to the mass fraction：Polyphenylene oxide resin powder：24 parts, butadiene-styrene rubber：15 parts, toluene：14 Part, plasticizer：7 parts, coupling agent：8 parts, auxiliary material：11 parts, fire retardant：5 parts；
Coupling agent is at least one in silane coupler or zirconium class coupling agent；Fire retardant selects phosphotriester；Auxiliary material is multiple Rare earth is closed, compound rare-earth includes by weight percentage following component：La：32%, Y：13%, Sc：16%, Gd：9%, Sm：19%, Pr： 11%, above each component sum is 100%.
The invention has the beneficial effects as follows.
Specific embodiment
Embodiment 1
A kind of production technology of the corrosion-resistant check-valves of shock resistance that the present embodiment is provided, to the mo(U)ld face of drying one layer of painting is sprayed Material, coating includes by mass percentage following components：Zirconium English powder：90-93%, phenolic resin：2-4%, organobentonite： 1.5-2.5% and titanium dioxide：0.5-1%；
According to steel billet：80-90%, iron filings：The ratio allotment casting dispensing of 10-20%, carries out casting dispensing smelting and is cast Material solution, smelting temperature is 1680-1700 DEG C, and the duration of heat is 3.7-4.0h；Steel billet percentage by weight chemical composition is： C：0.25-0.35%, Si:0.85-1.25%, Mn:1.85-2.95%, P：0.04-0.05%, Ni:11-13%, Cr:16.5- 17.5%, Nb：0.15-0.20%, Cu:0.85-0.95%, N:0.08-0.11%, Mo::2.15-2.95%, Al:0.2-0.3%, S： 0.025-0.035%, Ti：0.03-0.04%, V：0.02-0.03%, B：0.002-0.004%, lanthanide rare：3-5%, it is balance of Fe；
The constituent mass percentage of lanthanide rare is：Lanthanum：20-24%, cerium：20-25%, samarium：14-16%, neodymium：14-16%, gadolinium：2- 4%, praseodymium：16-18%, dysprosium：5-6%, remaining lanthanide series：1-3%, above each component sum is 100%；
The cast raw material solution for being added into alloying element is carried out into calm 3-5min, then casting forms check-valves into casting mold Base, pouring temperature is 1540-1550 DEG C, and poring rate is 67-70kg/s, and the duration of pouring is 1.5-2.5s, in casting process A small amount of alterant is added in cast raw material solution；The chemical analysis mass percent of alterant is：Rare earth silicon 92%, bismuth ingot 3%, magnesium ingot 3%, aluminium ingot 2%；
Carry out to check-valves base normalizing, tempering and Tempering and Quenching after cast successively；
Refrigerating work procedure is carried out to check-valves base and is down to room temperature, and carry out fine grinding and Shot Blasting, finally give check-valves；
Non-return valve surface is coated with rust preventive oil enamelled coating；Rust preventive oil enamelled coating presses first by first and second liang of components：Second=2:1 ratio is answered Conjunction is formed, first and second in terms of mass fraction comprising following components：
Include following components in first component according to the mass fraction：Modifying epoxy resin by organosilicon：22 parts, pigment：9 parts, filler：10 Part, plasticizer：11 parts, dispersant：9 parts, coalescents：15 parts, defoamer：7 parts；
Include following components in second component according to the mass fraction：Polyphenylene oxide resin powder：20 parts, butadiene-styrene rubber：12 parts, toluene：11 Part, plasticizer：4 parts, coupling agent：5 parts, auxiliary material：6 parts, fire retardant：2 parts；
Wherein, pigment is titanium dioxide；Filler is glass flake；Plasticizer in first and second components is tricresyl phosphate；Dispersion Agent is sodium tripolyphosphate；Coalescents are ethylene glycol ethyl ether；Defoamer is organosilicon；
Coupling agent is at least one in silane coupler or zirconium class coupling agent；Fire retardant selects phosphotriester；Auxiliary material is multiple Rare earth is closed, compound rare-earth includes by weight percentage following component：La：30%, Y：14%, Sc：17%, Gd：10%, Sm：20%, Pr： 9%, above each component sum is 100%；
The preparation method of rust preventive oil enamelled coating includes following step：
（1）Pigment and filler in first component is delivered to and stir in agitator 15-20min, mixing speed is 100-110r/min, Modifying epoxy resin by organosilicon is subsequently adding, 10-15min is stirred, mixing speed is 120-125r/min, waited and be sufficiently mixed uniformly After sequentially add dispersant, coalescents and defoamer, finally add plasticizer adjusting coating to suitable viscosity, be filtrated to get anti- First component in corrosion skin of paint is stand-by；
（2）Butadiene-styrene rubber, auxiliary material and fire retardant are added in toluene and mixer is sent into, 10-15min is stirred, mixing speed is 130-135r/min, is subsequently adding polyphenylene oxide resin powder, stirs 20-25min, and mixing speed is 90-100r/min, waits fully mixed Coupling agent is added in mixer after closing uniformly, high-speed stirred 12-15min under high shear, mixing speed is 300- 320r/min, finally adds appropriate plasticizer adjusting coating to suitable viscosity, and filtration is obtained the second in anti-corrosion paint layer Component is stand-by；
（3）By step（2）In the second component for preparing be sprayed on step（1）In in the first component for preparing, obtain after being dried Rust preventive oil enamelled coating.
Embodiment 2
A kind of production technology of the corrosion-resistant check-valves of shock resistance that the present embodiment is provided, to the mo(U)ld face of drying one layer of painting is sprayed Material, coating includes by mass percentage following components：Zirconium English powder：90-93%, phenolic resin：2-4%, organobentonite： 1.5-2.5% and titanium dioxide：0.5-1%；
According to steel billet：80-90%, iron filings：The ratio allotment casting dispensing of 10-20%, carries out casting dispensing smelting and is cast Material solution, smelting temperature is 1680-1700 DEG C, and the duration of heat is 3.7-4.0h；Steel billet percentage by weight chemical composition is： C：0.25-0.35%, Si:0.85-1.25%, Mn:1.85-2.95%, P：0.04-0.05%, Ni:11-13%, Cr:16.5- 17.5%, Nb：0.15-0.20%, Cu:0.85-0.95%, N:0.08-0.11%, Mo::2.15-2.95%, Al:0.2-0.3%, S： 0.025-0.035%, Ti：0.03-0.04%, V：0.02-0.03%, B：0.002-0.004%, lanthanide rare：3-5%, it is balance of Fe；
The constituent mass percentage of lanthanide rare is：Lanthanum：20-24%, cerium：20-25%, samarium：14-16%, neodymium：14-16%, gadolinium：2- 4%, praseodymium：16-18%, dysprosium：5-6%, remaining lanthanide series：1-3%, above each component sum is 100%；
The cast raw material solution for being added into alloying element is carried out into calm 3-5min, then casting forms check-valves into casting mold Base, pouring temperature is 1540-1550 DEG C, and poring rate is 67-70kg/s, and the duration of pouring is 1.5-2.5s, in casting process A small amount of alterant is added in cast raw material solution；The chemical analysis mass percent of alterant is：Rare earth silicon 92%, bismuth ingot 3%, magnesium ingot 3%, aluminium ingot 2%；
Carry out to check-valves base normalizing, tempering and Tempering and Quenching after cast successively；
Refrigerating work procedure is carried out to check-valves base and is down to room temperature, and carry out fine grinding and Shot Blasting, finally give check-valves；
Non-return valve surface is coated with rust preventive oil enamelled coating；Rust preventive oil enamelled coating presses first by first and second liang of components：Second=2:1 ratio is answered Conjunction is formed, first and second in terms of mass fraction comprising following components：
Include following components in first component according to the mass fraction：Modifying epoxy resin by organosilicon：30 parts, pigment：12 parts, filler： 15 parts, plasticizer：15 parts, dispersant：13 parts, coalescents：18 parts, defoamer：11 parts；
Include following components in second component according to the mass fraction：Polyphenylene oxide resin powder：24 parts, butadiene-styrene rubber：15 parts, toluene：14 Part, plasticizer：7 parts, coupling agent：8 parts, auxiliary material：11 parts, fire retardant：5 parts；
Wherein, pigment is titanium dioxide；Filler is glass flake；Plasticizer in first and second components is tricresyl phosphate；Dispersion Agent is sodium tripolyphosphate；Coalescents are ethylene glycol ethyl ether；Defoamer is organosilicon；
Coupling agent is at least one in silane coupler or zirconium class coupling agent；Fire retardant selects phosphotriester；Auxiliary material is multiple Rare earth is closed, compound rare-earth includes by weight percentage following component：La：32%, Y：13%, Sc：16%, Gd：9%, Sm：19%, Pr： 11%, above each component sum is 100%；
The preparation method of rust preventive oil enamelled coating includes following step：
（1）Pigment and filler in first component is delivered to and stir in agitator 15-20min, mixing speed is 100-110r/min, Modifying epoxy resin by organosilicon is subsequently adding, 10-15min is stirred, mixing speed is 120-125r/min, waited and be sufficiently mixed uniformly After sequentially add dispersant, coalescents and defoamer, finally add plasticizer adjusting coating to suitable viscosity, be filtrated to get anti- First component in corrosion skin of paint is stand-by；
（2）Butadiene-styrene rubber, auxiliary material and fire retardant are added in toluene and mixer is sent into, 10-15min is stirred, mixing speed is 130-135r/min, is subsequently adding polyphenylene oxide resin powder, stirs 20-25min, and mixing speed is 90-100r/min, waits fully mixed Coupling agent is added in mixer after closing uniformly, high-speed stirred 12-15min under high shear, mixing speed is 300- 320r/min, finally adds appropriate plasticizer adjusting coating to suitable viscosity, and filtration is obtained the second in anti-corrosion paint layer Component is stand-by；
（3）By step（2）In the second component for preparing be sprayed on step（1）In in the first component for preparing, obtain after being dried Rust preventive oil enamelled coating.
Above example technological thought only to illustrate the invention, it is impossible to which protection scope of the present invention is limited with this, it is every According to technological thought proposed by the present invention, any change done on the basis of technical scheme, the scope of the present invention is each fallen within Within.

Claims (4)

1. the production technology of the corrosion-resistant check-valves of a kind of shock resistance, it is characterised in that spray one layer of painting to the mo(U)ld face of drying Material, described coating includes by mass percentage following components：Zirconium English powder：90-93%, phenolic resin：2-4%, organic swelling Soil：1.5-2.5% and titanium dioxide：0.5-1%；
According to steel billet：80-90%, iron filings：The ratio allotment casting dispensing of 10-20%, carries out casting dispensing smelting and is cast Material solution, smelting temperature is 1680-1700 DEG C, and the duration of heat is 3.7-4.0h；The steel billet percentage by weight chemical composition For：C：0.25-0.35%, Si:0.85-1.25%, Mn:1.85-2.95%, P：0.04-0.05%, Ni:11-13%, Cr:16.5- 17.5%, Nb：0.15-0.20%, Cu:0.85-0.95%, N:0.08-0.11%, Mo::2.15-2.95%, Al:0.2-0.3%, S： 0.025-0.035%, Ti：0.03-0.04%, V：0.02-0.03%, B：0.002-0.004%, lanthanide rare：3-5%, it is balance of Fe；
The constituent mass percentage of the lanthanide rare is：Lanthanum：20-24%, cerium：20-25%, samarium：14-16%, neodymium：14-16%, Gadolinium：2-4%, praseodymium：16-18%, dysprosium：5-6%, remaining lanthanide series：1-3%, above each component sum is 100%；
The cast raw material solution for being added into alloying element is carried out into calm 3-5min, then casting forms check-valves into casting mold Base, pouring temperature is 1540-1550 DEG C, and poring rate is 67-70kg/s, and the duration of pouring is 1.5-2.5s, in casting process A small amount of alterant is added in cast raw material solution；The chemical analysis mass percent of the alterant is：Rare earth silicon 92%, bismuth Ingot 3%, magnesium ingot 3%, aluminium ingot 2%；
Carry out to check-valves base normalizing, tempering and Tempering and Quenching after cast successively；
Refrigerating work procedure is carried out to check-valves base and is down to room temperature, and carry out fine grinding and Shot Blasting, finally give check-valves；
The non-return valve surface is coated with rust preventive oil enamelled coating；Described rust preventive oil enamelled coating presses first by first and second liang of components：Second=2: 1 ratio is composited, described first and second in terms of mass fraction comprising following components：
Include following components in the first component according to the mass fraction：Modifying epoxy resin by organosilicon：22-30 parts, pigment：9-12 Part, filler：10-15 parts, plasticizer：11-15 parts, dispersant：9-13 parts, coalescents：15-18 parts, defoamer：7-11 parts；
Include following components in the second component according to the mass fraction：Polyphenylene oxide resin powder：20-24 parts, butadiene-styrene rubber：12-15 Part, toluene：11-14 parts, plasticizer：4-7 parts, coupling agent：5-8 parts, auxiliary material：6-11 parts, fire retardant：2-5 parts；
Wherein, described pigment is titanium dioxide；Described filler is glass flake；Plasticizer in the first and second described components is phosphorus Sour front three phenyl ester；Described dispersant is sodium tripolyphosphate；Described coalescents are ethylene glycol ethyl ether；Described defoamer is Organosilicon；
Described coupling agent is at least one in silane coupler or zirconium class coupling agent；Described fire retardant selects tricresyl phosphate Ester；Described auxiliary material is compound rare-earth, and described compound rare-earth includes by weight percentage following component：La：29-32%, Y： 13-15%, Sc：16-18%, Gd：9-11%, Sm：18-20%, Pr：9-11%, above each component sum is 100%.
2. the production technology of the corrosion-resistant check-valves of shock resistance according to claim 1, it is characterised in that the rust preventive oil The preparation method of enamelled coating includes following step：
（1）Pigment and filler in first component is delivered to and stir in agitator 15-20min, mixing speed is 100-110r/min, Modifying epoxy resin by organosilicon is subsequently adding, 10-15min is stirred, mixing speed is 120-125r/min, waited and be sufficiently mixed uniformly After sequentially add dispersant, coalescents and defoamer, finally add plasticizer adjusting coating to suitable viscosity, be filtrated to get anti- First component in corrosion skin of paint is stand-by；
（2）Butadiene-styrene rubber, auxiliary material and fire retardant are added in toluene and mixer is sent into, 10-15min is stirred, mixing speed is 130-135r/min, is subsequently adding polyphenylene oxide resin powder, stirs 20-25min, and mixing speed is 90-100r/min, waits fully mixed Coupling agent is added in mixer after closing uniformly, high-speed stirred 12-15min under high shear, mixing speed is 300- 320r/min, finally adds appropriate plasticizer adjusting coating to suitable viscosity, and filtration is obtained the second in anti-corrosion paint layer Component is stand-by；
（3）By step（2）In the second component for preparing be sprayed on step（1）In in the first component for preparing, obtain after being dried Rust preventive oil enamelled coating.
3. the production technology of the corrosion-resistant check-valves of shock resistance according to claim 1, it is characterised in that：Described anticorrosion Skin of paint presses first by first and second liang of components：Second=2:1 ratio is composited, described first and second in terms of mass fraction comprising following components：
Include following components in the first component according to the mass fraction：Modifying epoxy resin by organosilicon：22 parts, pigment：9 parts, fill out Material：10 parts, plasticizer：11 parts, dispersant：9 parts, coalescents：15 parts, defoamer：7 parts；
Include following components in the second component according to the mass fraction：Polyphenylene oxide resin powder：20 parts, butadiene-styrene rubber：12 parts, first Benzene：11 parts, plasticizer：4 parts, coupling agent：5 parts, auxiliary material：6 parts, fire retardant：2 parts；
Described coupling agent is at least one in silane coupler or zirconium class coupling agent；Described fire retardant selects tricresyl phosphate Ester；Described auxiliary material is compound rare-earth, and described compound rare-earth includes by weight percentage following component：La：30%, Y：14%, Sc：17%, Gd：10%, Sm：20%, Pr：9%, above each component sum is 100%.
4. the production technology of the corrosion-resistant check-valves of shock resistance according to claim 1, it is characterised in that：Described anticorrosion Skin of paint presses first by first and second liang of components：Second=2:1 ratio is composited, described first and second in terms of mass fraction comprising following components：
Include following components in the first component according to the mass fraction：Modifying epoxy resin by organosilicon：30 parts, pigment：12 parts, fill out Material：15 parts, plasticizer：15 parts, dispersant：13 parts, coalescents：18 parts, defoamer：11 parts；
Include following components in the second component according to the mass fraction：Polyphenylene oxide resin powder：24 parts, butadiene-styrene rubber：15 parts, first Benzene：14 parts, plasticizer：7 parts, coupling agent：8 parts, auxiliary material：11 parts, fire retardant：5 parts；
Described coupling agent is at least one in silane coupler or zirconium class coupling agent；Described fire retardant selects tricresyl phosphate Ester；Described auxiliary material is compound rare-earth, and described compound rare-earth includes by weight percentage following component：La：32%, Y：13%, Sc：16%, Gd：9%, Sm：19%, Pr：11%, above each component sum is 100%.
CN201611193166.5A 2016-12-21 2016-12-21 Production process of impact-resistant corrosion-resistant check valve Pending CN106634436A (en)

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CN107716866A (en) * 2017-11-14 2018-02-23 曹安飞 A kind of production technology of water-saving closet sewage draining valve
CN107716858A (en) * 2017-11-14 2018-02-23 张剑 A kind of production technology of carbon steel valve
CN107841677A (en) * 2017-11-14 2018-03-27 曹安飞 A kind of ductile cast iron valve and its casting technique
CN107893198A (en) * 2017-11-14 2018-04-10 曹安飞 Air bleeding valve and its casting technique in a kind of pipe-line system
CN107961488A (en) * 2017-12-16 2018-04-27 苏州胤宗智能科技有限公司 A kind of high security dumbbell and its preparation process
CN108060386A (en) * 2017-11-30 2018-05-22 马鞍山市恒特重工科技有限公司 A kind of magnetic separator alloying treatment method for surface
CN108060352A (en) * 2017-12-16 2018-05-22 苏州胤宗智能科技有限公司 A kind of body-building stable equilibrium roller and its treatment process
CN108866430A (en) * 2018-06-06 2018-11-23 荣马电器有限公司 A kind of high reliability air switch cabinet

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CN107716866A (en) * 2017-11-14 2018-02-23 曹安飞 A kind of production technology of water-saving closet sewage draining valve
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CN107893198A (en) * 2017-11-14 2018-04-10 曹安飞 Air bleeding valve and its casting technique in a kind of pipe-line system
CN108060386A (en) * 2017-11-30 2018-05-22 马鞍山市恒特重工科技有限公司 A kind of magnetic separator alloying treatment method for surface
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CN108060352A (en) * 2017-12-16 2018-05-22 苏州胤宗智能科技有限公司 A kind of body-building stable equilibrium roller and its treatment process
CN108866430A (en) * 2018-06-06 2018-11-23 荣马电器有限公司 A kind of high reliability air switch cabinet

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Application publication date: 20170510