CN112877605A - Valve plate manufacturing process of corrosion-resistant valve - Google Patents
Valve plate manufacturing process of corrosion-resistant valve Download PDFInfo
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- CN112877605A CN112877605A CN202011598667.8A CN202011598667A CN112877605A CN 112877605 A CN112877605 A CN 112877605A CN 202011598667 A CN202011598667 A CN 202011598667A CN 112877605 A CN112877605 A CN 112877605A
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- 238000005260 corrosion Methods 0.000 title claims abstract description 24
- 230000007797 corrosion Effects 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000007670 refining Methods 0.000 claims abstract description 25
- 238000004381 surface treatment Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 7
- 229910052779 Neodymium Inorganic materials 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 238000005266 casting Methods 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 7
- 238000005498 polishing Methods 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 7
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 7
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 12
- 239000005543 nano-size silicon particle Substances 0.000 claims description 12
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 12
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 12
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 claims description 6
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 6
- 235000019253 formic acid Nutrition 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 claims description 6
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 claims description 6
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 6
- 229940055577 oleyl alcohol Drugs 0.000 claims description 6
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 claims description 6
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 6
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 6
- 229910052700 potassium Inorganic materials 0.000 claims description 6
- 239000011591 potassium Substances 0.000 claims description 6
- 239000001103 potassium chloride Substances 0.000 claims description 6
- 235000011164 potassium chloride Nutrition 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 6
- 235000011152 sodium sulphate Nutrition 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910000348 titanium sulfate Inorganic materials 0.000 claims description 6
- WNWMJFBAIXMNOF-UHFFFAOYSA-N trimethyl(propyl)silane Chemical compound CCC[Si](C)(C)C WNWMJFBAIXMNOF-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 6
- 239000002253 acid Substances 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
- B22D31/002—Cleaning, working on castings
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
- C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
-
- 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
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sliding Valves (AREA)
Abstract
The invention belongs to the technical field of machine manufacturing, and particularly relates to a valve plate manufacturing process of a corrosion-resistant valve. The valve plate is made of an alloy material consisting of the following components in percentage by mass: 0.25 to 0.33%, Mn: 3.50-4.90%, Ti: 5.2-6.5%, Al: 1.53-1.94%, Mg: 1.22-1.55%, Cu: 0.55-0.81%, P: 0.01-0.02%, Ni: 0.62-0.84%, Co: 0.56-0.62%, Mo: 0.24-0.38%, Zr: 0.23-0.41%, V: 0.02-0.03%, Pt: 0.04-0.09%, Ce: 0.05 to 0.07%, Nd: 0.08-0.09%, and the balance of Fe and inevitable trace impurities. The preparation process of the valve plate comprises the steps of melting, cooling, secondary melting, refining, casting, polishing, surface treatment, drying and the like. The valve plate prepared by the invention has high mechanical strength, excellent wear resistance and excellent corrosion resistance, can be suitable for conveying control of corrosive acid liquor and alkaline liquor, and has longer service life.
Description
Technical Field
The invention belongs to the technical field of machine manufacturing, and particularly relates to a valve plate manufacturing process of a corrosion-resistant valve.
Background
The valve is an important control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, stopping, regulation, throttling, non-return, diversion, overflow pressure relief and the like. The corrosion-resistant valve is a common valve, and mainly aims at the application scene of corrosive media. The valve plate is a movable part directly contacting with a medium in the valve, the working environment is extremely harsh, the valve plate needs to be resistant to long-term corrosion of corrosive media, and meanwhile, the valve plate needs to be resistant to repeated friction and even impact with the valve body in daily work, so that the valve plate of the corrosion-resistant valve has strong structural strength, excellent corrosion resistance and excellent wear resistance.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a manufacturing process of a valve plate of a corrosion-resistant valve.
In order to achieve the purpose, the invention is realized by the following technical scheme: a manufacturing process of a valve plate of a corrosion-resistant valve is disclosed, wherein the valve plate is made of an alloy material consisting of the following components in percentage by mass: 0.25 to 0.33%, Mn: 3.50-4.90%, Ti: 5.2-6.5%, Al: 1.53-1.94%, Mg: 1.22-1.55%, Cu: 0.55-0.81%, P: 0.01-0.02%, Ni: 0.62-0.84%, Co: 0.56-0.62%, Mo: 0.24-0.38%, Zr: 0.23-0.41%, V: 0.02-0.03%, Pt: 0.04-0.09%, Ce: 0.05 to 0.07%, Nd: 0.08-0.09%, and the balance of Fe and inevitable trace impurities;
the preparation process of the valve plate comprises the following steps: adding the raw materials into a smelting furnace according to the proportion, heating to 1480-1550 ℃ for melting, preserving the heat for 2-3h, and cooling to 350-380 ℃ at the speed of 25-35 ℃/s; then raising the temperature to 1200-1250 ℃, adding a refining agent for refining and deslagging; then pouring the mixture into a mould for cooling and forming; taking out the casting, polishing to remove a surface oxide layer, shaping, and then soaking in a formic acid solution for 3-5 h; then soaking the substrate in the surface treatment liquid for 1-2 h; taking out and then heating and drying.
Further, the surface treatment liquid comprises the following components in parts by weight: 1000 parts of water, 15-18 parts of titanium sulfate, 12-14 parts of nickel sulfate, 4-5 parts of propyl trimethylsilane, 1-2 parts of sodium dodecyl benzene sulfonate and 1-2 parts of oleyl alcohol polyoxyethylene ether.
Further, the surface treatment liquid also comprises 0.2-0.3 part of nano silicon carbide, and the particle size of the nano silicon carbide is within the range of 20-60 nm.
Further, the temperature of the surface treatment liquid is 55-70 ℃.
Further, the refining agent comprises, by weight, 100 parts of sodium chloride, 8-9 parts of potassium chloride, 5-6 parts of sodium sulfate, 2-3 parts of silicon dioxide and 1-3 parts of potassium fluoroaluminate.
Further, the refining agent accounts for 0.1-0.5% of the weight of the molten steel.
Further, the drying is carried out for 3-4h in a nitrogen atmosphere with the temperature of 330-350 ℃.
Has the advantages that: compared with the prior art, the valve plate manufacturing process of the corrosion-resistant valve provided by the invention has the advantages that the manufactured valve plate has high mechanical strength, excellent wear resistance and excellent corrosion resistance, can be suitable for conveying and controlling corrosive acid liquor and alkali liquor, and has longer service life.
Detailed Description
The invention is further illustrated by the following specific examples, which are illustrative and intended to illustrate the problem and explain the invention, but not limiting.
Example 1
A manufacturing process of a valve plate of a corrosion-resistant valve is disclosed, wherein the valve plate is made of an alloy material consisting of the following components in percentage by mass: 0.25%, Mn: 3.50%, Ti: 5.2%, Al: 1.53%, Mg: 1.22%, Cu: 0.55%, P: 0.01%, Ni: 0.62%, Co: 0.56%, Mo: 0.24%, Zr: 0.23%, V: 0.02%, Pt: 0.04%, Ce: 0.05%, Nd: 0.08%, and the balance of Fe and inevitable trace impurities.
The preparation process of the valve plate comprises the following steps: adding the raw materials into a smelting furnace according to the proportion, heating to 1480 ℃ for melting, preserving heat for 2h, and cooling to 350 ℃ at the speed of 25 ℃/s; then raising the temperature to 1200 ℃ for the second time, adding a refining agent for refining and deslagging; then pouring the mixture into a mould for cooling and forming; taking out the casting, polishing to remove a surface oxide layer, shaping, and then soaking in a formic acid solution for 3 hours; then soaking the substrate in the surface treatment liquid for 1 hour; taking out and then heating and drying.
In this embodiment, the surface treatment liquid includes the following components by weight: 1000 parts of water, 15 parts of titanium sulfate, 12 parts of nickel sulfate, 4 parts of propyl trimethylsilane, 1 part of sodium dodecyl benzene sulfonate, 1 part of oleyl alcohol polyoxyethylene ether and 0.23 part of nano silicon carbide, wherein the particle size of the nano silicon carbide is within the range of 20-60 nm; the temperature of the surface treatment liquid was 55 ℃.
In this embodiment, the refining agent includes, by weight, 100 parts of sodium chloride, 8 parts of potassium chloride, 5 parts of sodium sulfate, 2 parts of silica, and 1 part of potassium fluoroaluminate; the refining agent accounts for 0.1 percent of the weight of the molten steel.
In this example, the drying was carried out under nitrogen atmosphere at 330 ℃ for 3 hours.
Example 2
A manufacturing process of a valve plate of a corrosion-resistant valve is disclosed, wherein the valve plate is made of an alloy material consisting of the following components in percentage by mass: 0.33%, Mn: 4.90%, Ti: 6.5%, Al: 1.94%, Mg: 1.55%, Cu: 0.81%, P: 0.02%, Ni: 0.84%, Co: 0.62%, Mo: 0.38%, Zr: 0.41%, V: 0.03%, Pt: 0.09%, Ce: 0.07%, Nd: 0.09%, and the balance of Fe and inevitable trace impurities.
The preparation process of the valve plate comprises the following steps: adding the raw materials into a smelting furnace according to the proportion, heating to 1550 ℃ for melting, preserving heat for 3h, and cooling to 380 ℃ at the speed of 35 ℃/s; then raising the temperature to 1250 ℃ for the second time, adding a refining agent for refining and deslagging; then pouring the mixture into a mould for cooling and forming; taking out the casting, polishing to remove a surface oxide layer, shaping, and then soaking in a formic acid solution for 5 hours; then soaking the substrate in the surface treatment liquid for 2 hours; taking out and then heating and drying.
In this embodiment, the surface treatment liquid includes the following components by weight: 1000 parts of water, 18 parts of titanium sulfate, 14 parts of nickel sulfate, 5 parts of propyl trimethylsilane, 2 parts of sodium dodecyl benzene sulfonate, 2 parts of oleyl alcohol polyoxyethylene ether and 0.3 part of nano silicon carbide, wherein the particle size of the nano silicon carbide is within the range of 20-60 nm; the temperature of the surface treatment liquid was 70 ℃.
In this embodiment, the refining agent includes, by weight, 100 parts of sodium chloride, 9 parts of potassium chloride, 6 parts of sodium sulfate, 3 parts of silica, and 3 parts of potassium fluoroaluminate; the refining agent accounts for 0.5 percent of the weight of the molten steel.
In this embodiment, the drying is performed by keeping the temperature for 4 hours in a nitrogen atmosphere at 350 ℃.
Example 3
A manufacturing process of a valve plate of a corrosion-resistant valve is disclosed, wherein the valve plate is made of an alloy material consisting of the following components in percentage by mass: 0.32%, Mn: 4.2%, Ti: 5.5%, Al: 1.80%, Mg: 1.25%, Cu: 0.60%, P: 0.01%, Ni: 0.84%, Co: 0.62%, Mo: 0.24%, Zr: 0.28%, V: 0.03%, Pt: 0.06%, Ce: 0.06%, Nd: 0.08%, and the balance of Fe and inevitable trace impurities.
The preparation process of the valve plate comprises the following steps: adding the raw materials into a smelting furnace according to the proportion, heating to 1520 ℃ for melting, preserving heat for 3h, and cooling to 360 ℃ at the speed of 30 ℃/s; then raising the temperature to 1200 ℃ for the second time, adding a refining agent for refining and deslagging; then pouring the mixture into a mould for cooling and forming; taking out the casting, polishing to remove a surface oxide layer, shaping, and then soaking in a formic acid solution for 4 hours; then soaking the substrate in the surface treatment liquid for 2 hours; taking out and then heating and drying.
In this embodiment, the surface treatment liquid includes the following components by weight: 1000 parts of water, 15 parts of titanium sulfate, 13 parts of nickel sulfate, 5 parts of propyl trimethylsilane, 2 parts of sodium dodecyl benzene sulfonate, 2 parts of oleyl alcohol polyoxyethylene ether and 0.2 part of nano silicon carbide, wherein the particle size of the nano silicon carbide is within the range of 20-60 nm; the temperature of the surface treatment liquid was 60 ℃.
In this embodiment, the refining agent includes, by weight, 100 parts of sodium chloride, 9 parts of potassium chloride, 6 parts of sodium sulfate, 2 parts of silica, and 2 parts of potassium fluoroaluminate; the refining agent accounts for 0.3 percent of the weight of the molten steel.
In this example, the drying is carried out in a nitrogen atmosphere at 340 ℃ for 4 hours.
Example 4
A manufacturing process of a valve plate of a corrosion-resistant valve is disclosed, wherein the valve plate is made of an alloy material consisting of the following components in percentage by mass: 0.33%, Mn: 4.90%, Ti: 5.2%, Al: 1.53%, Mg: 1.35%, Cu: 0.81%, P: 0.01%, Ni: 0.76%, Co: 0.62%, Mo: 0.35%, Zr: 0.35%, V: 0.03%, Pt: 0.04%, Ce: 0.05%, Nd: 0.09%, and the balance of Fe and inevitable trace impurities.
The preparation process of the valve plate comprises the following steps: adding the raw materials into a smelting furnace according to the proportion, heating to 1490 ℃ for melting, preserving heat for 3h, and cooling to 360 ℃ at the speed of 30 ℃/s; then raising the temperature to 1250 ℃ for the second time, adding a refining agent for refining and deslagging; then pouring the mixture into a mould for cooling and forming; taking out the casting, polishing to remove a surface oxide layer, shaping, and then soaking in a formic acid solution for 4 hours; then soaking the substrate in the surface treatment liquid for 2 hours; taking out and then heating and drying.
In this embodiment, the surface treatment liquid includes the following components by weight: 1000 parts of water, 18 parts of titanium sulfate, 14 parts of nickel sulfate, 4 parts of propyl trimethylsilane, 1 part of sodium dodecyl benzene sulfonate, 1 part of oleyl alcohol polyoxyethylene ether and 0.3 part of nano silicon carbide, wherein the particle size of the nano silicon carbide is within the range of 20-60 nm; the temperature of the surface treatment liquid was 65 ℃.
In this embodiment, the refining agent includes, by weight, 100 parts of sodium chloride, 9 parts of potassium chloride, 6 parts of sodium sulfate, 2 parts of silica, and 3 parts of potassium fluoroaluminate; the refining agent accounts for 0.5 percent of the weight of the molten steel.
In this example, the drying was carried out under nitrogen atmosphere at 340 ℃ for 3 hours.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (7)
1. A manufacturing process of a valve plate of a corrosion-resistant valve is characterized by comprising the following steps: the valve plate is made of an alloy material consisting of the following components in percentage by mass: 0.25 to 0.33%, Mn: 3.50-4.90%, Ti: 5.2-6.5%, Al: 1.53-1.94%, Mg: 1.22-1.55%, Cu: 0.55-0.81%, P: 0.01-0.02%, Ni: 0.62-0.84%, Co: 0.56-0.62%, Mo: 0.24-0.38%, Zr: 0.23-0.41%, V: 0.02-0.03%, Pt: 0.04-0.09%, Ce: 0.05 to 0.07%, Nd: 0.08-0.09%, and the balance of Fe and inevitable trace impurities;
the preparation process of the valve plate comprises the following steps: adding the raw materials into a smelting furnace according to the proportion, heating to 1480-1550 ℃ for melting, preserving the heat for 2-3h, and cooling to 350-380 ℃ at the speed of 25-35 ℃/s; then raising the temperature to 1200-1250 ℃, adding a refining agent for refining and deslagging; then pouring the mixture into a mould for cooling and forming; taking out the casting, polishing to remove a surface oxide layer, shaping, and then soaking in a formic acid solution for 3-5 h; then soaking the substrate in the surface treatment liquid for 1-2 h; taking out and then heating and drying.
2. The process for manufacturing a valve plate of a corrosion-resistant valve according to claim 1, wherein: the surface treatment liquid comprises the following components in parts by weight: 1000 parts of water, 15-18 parts of titanium sulfate, 12-14 parts of nickel sulfate, 4-5 parts of propyl trimethylsilane, 1-2 parts of sodium dodecyl benzene sulfonate and 1-2 parts of oleyl alcohol polyoxyethylene ether.
3. The process for manufacturing a valve plate of a corrosion-resistant valve according to claim 2, wherein: the surface treatment liquid also comprises 0.2-0.3 part of nano silicon carbide, and the particle size of the nano silicon carbide is within the range of 20-60 nm.
4. A process for manufacturing a valve plate of a corrosion-resistant valve according to claim 3, wherein: the temperature of the surface treatment liquid is 55-70 ℃.
5. The process for manufacturing a valve plate of a corrosion-resistant valve according to claim 1, wherein: the refining agent comprises, by weight, 100 parts of sodium chloride, 8-9 parts of potassium chloride, 5-6 parts of sodium sulfate, 2-3 parts of silicon dioxide and 1-3 parts of potassium fluoroaluminate.
6. The process for manufacturing a valve plate of a corrosion-resistant valve according to claim 5, wherein: the refining agent accounts for 0.1-0.5% of the weight of the molten steel.
7. The process for manufacturing a valve plate of a corrosion-resistant valve according to claim 5, wherein: the drying is carried out for 3-4h in a nitrogen atmosphere at the temperature of 330-350 ℃.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117778889A (en) * | 2024-01-06 | 2024-03-29 | 五洲阀门股份有限公司 | Alloy material for valve and valve body production process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120294A (en) * | 2014-07-28 | 2014-10-29 | 四川兰德高科技产业有限公司 | High-efficiency aluminum alloy refining agent, as well as preparation method and usage method thereof |
| CN105671347A (en) * | 2014-11-20 | 2016-06-15 | 黄石市利福达医药化工有限公司 | Efficient aluminum alloy refining agent |
| CN105838993A (en) * | 2016-04-05 | 2016-08-10 | 宝山钢铁股份有限公司 | Light steel with reinforced elasticity modulus characteristic, steel plate and manufacturing method of steel plate |
| CN106498298A (en) * | 2016-12-14 | 2017-03-15 | 苏州富艾姆工业设备有限公司 | A kind of processing technique of turning valve piston rod |
| CN106521344A (en) * | 2016-12-14 | 2017-03-22 | 苏州富艾姆工业设备有限公司 | Machining process of wear resisting piston rod for valve |
| 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 |
| CN108486562A (en) * | 2018-05-14 | 2018-09-04 | 南京工程学院 | A kind of passivating solution and method being suitable for improving galvanizing by dipping steel surface corrosion resistance energy |
-
2020
- 2020-12-30 CN CN202011598667.8A patent/CN112877605A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120294A (en) * | 2014-07-28 | 2014-10-29 | 四川兰德高科技产业有限公司 | High-efficiency aluminum alloy refining agent, as well as preparation method and usage method thereof |
| CN105671347A (en) * | 2014-11-20 | 2016-06-15 | 黄石市利福达医药化工有限公司 | Efficient aluminum alloy refining agent |
| CN105838993A (en) * | 2016-04-05 | 2016-08-10 | 宝山钢铁股份有限公司 | Light steel with reinforced elasticity modulus characteristic, steel plate and manufacturing method of steel plate |
| CN106498298A (en) * | 2016-12-14 | 2017-03-15 | 苏州富艾姆工业设备有限公司 | A kind of processing technique of turning valve piston rod |
| CN106521344A (en) * | 2016-12-14 | 2017-03-22 | 苏州富艾姆工业设备有限公司 | Machining process of wear resisting piston rod for valve |
| 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 |
| CN108486562A (en) * | 2018-05-14 | 2018-09-04 | 南京工程学院 | A kind of passivating solution and method being suitable for improving galvanizing by dipping steel surface corrosion resistance energy |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117778889A (en) * | 2024-01-06 | 2024-03-29 | 五洲阀门股份有限公司 | Alloy material for valve and valve body production process |
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