CN107254655B - A kind of Ausmelt furnace lance head and its manufacture craft - Google Patents
A kind of Ausmelt furnace lance head and its manufacture craft Download PDFInfo
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- CN107254655B CN107254655B CN201710481567.9A CN201710481567A CN107254655B CN 107254655 B CN107254655 B CN 107254655B CN 201710481567 A CN201710481567 A CN 201710481567A CN 107254655 B CN107254655 B CN 107254655B
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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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/005—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/12—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
A kind of novel Ausmelt furnace lance head, the pipette tips are made by 310S or 316L stainless steel base material, transition zone alloy powder and protective film are successively coated in pipette tips, transition zone alloy powder contains chromium 20-30% and nickel 70-80%, the partial size of alloy powder is less than 325 mesh, the protective film includes following component: zirconium oxide 62-68%, nichrome powder 24-32%, aluminium oxide 1.40-1.60%, yttrium oxide 4.0-6.0%, tungsten, molybdenum, titanium amounts to 0.4-0.6%, wherein the sum of mass fraction of each component is 100%, the zirconium oxide, the partial size of aluminium oxide and yttrium oxide is 0.10-0.35 μm, nichrome powder and tungsten, molybdenum, the partial size of titanium is 0.25-0.80 μm；The present invention extends the service life of spray gun, spray vapor deposition forming spray gun pipette tips have welding it is simple and reliable, can directly with original welding for steel structure form the advantages that.
Description
Technical field
The present invention relates to Ausmelt Smelting technical field, especially a kind of novel Ausmelt furnace lance head and its production
Technique.
Background technique
The features such as Ausmelt Smelting technique is strong with adaptability to raw material, easy to operate, high production efficiency, complete environmental protection facility
Worldwide it is widely applied.The coloured Ausmelt furnace in Daye is current Copper making Ausmelt Smelting maximum in the world
Furnace.Spray gun is the key technology of one of important auxiliary device of Ausmelt furnace and Ausmelt furnace, and wind, oxygen, fine coal pass through
Lance enters molten bath, in gun slot mixing chamber mixing vigorous reaction, provides heat and constantly stirs molten bath, accelerate substance with
The transmitting of heat.
Since lance head is immersed in for a long time inside high-temperature fusant, by the effect of high temperature and high-temperature fusant, easily scaling loss.
It needs blowing out to mention rifle after lance head scaling loss and more renews pipette tips, new pipette tips begin to use the use to the time needed replacing for spray gun
Service life.Usual lance head is caused using the stainless steel materials such as 316L stainless steel and 310S stainless steel, spray gun service life short-range missile
Lance head welding cost is high, smelting metaplasia produces discontinuous, Australia's furnace furnace temperature fluctuation frequent furnace longevity shortens, system production time is few etc., from
And make that the production cost increases, production efficiency is low.Therefore, research and develop a kind of novel Ausmelt furnace lance head and its manufacture craft is this
Technical field urgent problem to be solved.
Summary of the invention
Present invention aim to the Ausmelt furnace lance head service life for solving current is short, lance head is caused to weld
It is at high cost, production efficiency is low, the problems such as high production cost, provide a kind of novel Ausmelt furnace lance head and its manufacture craft.
A kind of novel Ausmelt furnace lance head of the invention, the pipette tips are by 310S or 316L stainless steel base material system
It forms, transition zone alloy powder and protective film is successively coated in the pipette tips, the transition zone alloy powder contains chromium 20-
30% and nickel 70-80%, the partial size of the alloy powder is less than 325 mesh, and the protective film includes following component: zirconium oxide 62-
68%, nichrome powder 24-32%, aluminium oxide 1.40-1.60%, yttrium oxide 4.0-6.0%, tungsten, molybdenum, titanium amount to 0.4-0.6%,
The sum of mass fraction of middle each component is 100%, and the partial size of the zirconium oxide, aluminium oxide and yttrium oxide is 0.10-0.35 μm, nickel
Evanohm powder and tungsten, molybdenum, titanium partial size be 0.25-0.80 μm.
A kind of manufacture craft of novel Ausmelt furnace lance head of the invention, comprising the following steps:
(1) it pre-processes: substrate material surface being cleaned out, the grease on surface is removed, base is first reduced using mechanical grinding
The surface stress of body material reuses sandblasting and carries out roughing in surface to basis material to increase the adhesion strength of basis material；
(2) transition zone sprays: using with basis material performance is close, the chrome-nickel powder compatible with Protective coatings performance
Transition zone of the end as basis material and protective film, to ensure good adhesive force between basis material and protective film, using etc.
Plasma spray technique spraying plating chrome-nickel, the temperature that basis material is controlled in spraying process is 175.5-7-182.5 DEG C, with matrix
Material is as cathode, using transition zone alloy occurring source as anode, by high-purity argon gas as the working gas starting the arc, direct-current arc
Starting the arc power is 28-33KW, and the working gas of importing and the heating of transition zone alloy powder are ionized into High temperature ion beam, control etc.
It is 15000-20000 DEG C that gas ions, which fire heart temperature, and equably diffusion is ejected on basis material, through natural cooling cured after deposition
Film forming, transition zone with a thickness of 40-60 μm；
(3) protective layer plated film: spraying protective film coating using plasma spray coating process, using basis material as cathode, to protect
For cuticula raw material occurring source as anode, the plasma process parameter synchronization in spraying process is rapid (2), the protective film with a thickness of
200-400 μm, fusing point >=2350 DEG C, bending strength >=950MPa, Young's modulus 210-240GPa, HV hardness is 10.5-
13.5GPa destroys toughness > 6.6MPam1/2, thermal expansion coefficient is 10.6 × 10-6-17.7×10-6/ DEG C, thermal coefficient is
1.5-5.0 W/(mK)。
The present invention have it is following the utility model has the advantages that
(1) present invention extends the service life of spray gun, using novel Ausmelt furnace lance head of the invention, Ke Yi
It is used under high-temperature acidic corrosive environment, the average life of spray gun is 137 hours, more stainless than using 310S stainless steel or 316L
Steel material improves 70 hours as lance head spray gun service life, improves 104%.To reduce lance head welding cost,
Production efficiency is improved, produces smelting metaplasia continuous, avoids Australia's furnace furnace temperature fluctuation frequent furnace longevity shortens, system production time is few etc.
The generation of problem.
(2) spray vapor deposition forming spray gun pipette tips have welding it is simple and reliable, can directly with original welding for steel structure form
The advantages that, it is used for oxygen-enriched top blowing melting, converting process, is had great importance to other nonferrous smelting industries are extended to.
(3) protective film of the invention uses ceramal material, has inoxidizability, sulfur corrosion resistant, high tenacity, high bending resistance
Intensity and high-wearing feature, excellent heat-proof quality, for thermal expansion coefficient close to steel, ceramal material has stronger new Ying
Property, it is however generally that ceramic spraying be used in mixed way with spray coating alloy it is rare, in spraying process control hybrid protection membrane material do not send out
Raw segregation phenomena is the key point of manufacture craft control of the present invention.
Detailed description of the invention
Fig. 1 is partial sectional view of the invention；
Wherein: 1- basis material, 2- outer wall protective film, 3- face protective film, 4- inner wall protection film.
Specific embodiment
Embodiment 1
Referring to Fig. 1, a kind of novel Ausmelt furnace lance head of the present embodiment, the pipette tips are by 310S stainless steel base material
Material 1 is made, and transition zone alloy powder and protective film is successively coated in the pipette tips, the transition zone alloy powder contains
The partial size of chromium 25% and nickel 75%, the alloy powder is 200 mesh, and the protective film includes following component: zirconium oxide 65%, nickel chromium triangle
Alloyed powder 28%, aluminium oxide 1.50%, yttrium oxide 5.0%, tungsten, molybdenum, titanium total 0.5%, the zirconium oxide, aluminium oxide and yttrium oxide
Partial size is 0.10-0.35 μm, nichrome powder and tungsten, molybdenum, titanium partial size be 0.25-0.80 μm.
A kind of manufacture craft of the novel Ausmelt furnace lance head of the present embodiment, comprising the following steps:
(1) it pre-processes: 1 removing surface of basis material is clean, the grease on surface is removed, base is first reduced using mechanical grinding
The surface stress of body material 1 reuses sandblasting and carries out roughing in surface to basis material 1 to increase the adhesion strength of basis material 1；
(2) transition zone sprays: using with 1 performance of basis material is close, the chrome-nickel compatible with Protective coatings performance
Transition zone of the powder as basis material 1 and protective film is adopted with ensuring good adhesive force between basis material 1 and protective film
With plasma spray coating process spraying plating chrome-nickel, the temperature that basis material 1 is controlled in spraying process is 180 DEG C, with basis material 1
As cathode, using transition zone alloy occurring source as anode, by high-purity argon gas as the working gas starting the arc, the direct-current arc starting the arc
Power is 30KW, and the working gas of importing and the heating of transition zone alloy powder are ionized into High temperature ion beam, control plasma
Firing heart temperature is 18000 DEG C, and equably diffusion is ejected on basis material 1, is formed a film through natural cooling cured after deposition, transition zone
With a thickness of 50 μm；
(3) protective layer plated film: spraying protective film coating using plasma spray coating process, using basis material 1 as cathode, to protect
For cuticula raw material occurring source as anode, the plasma process parameter synchronization in spraying process is rapid (2), the protective film with a thickness of
300 μm, fusing point >=2350 DEG C, bending strength >=950MPa, Young's modulus 230GPa, HV hardness is 12.3GPa, destroys toughness
> 6.6MPam1/2, thermal expansion coefficient is 10.6 × 10-6-17.7×10-6/ DEG C, thermal coefficient is 3.8 W/ (mK).
In the present embodiment the plated film height of outer wall protective film 2 be 900mm, face protective film 3 with a thickness of 0.3mm, inner wall
The plated film height of protective film 4 is 400mm, and four Ausmelt furnace lance heads that the present embodiment makes are used for Daye non-ferrous metal
In smeltery, Co., Ltd, the service life of four spray guns is respectively 138 hours, 139 hours, 122 hours, 149 hours,
Average life is 137 hours, than being improved using 310S or 316L stainless steel material as lance head spray gun service life
70 hours, average life span improved 104%.
Embodiment 2
Referring to Fig. 1, a kind of novel Ausmelt furnace lance head of the present embodiment, the pipette tips are by 316L stainless steel base material
Material 1 is made, and transition zone alloy powder and protective film is successively coated in the pipette tips, the transition zone alloy powder contains
The partial size of chromium 20% and nickel 80%, the alloy powder is 250 mesh, and the protective film includes following component: zirconium oxide 62%, nickel chromium triangle
Alloyed powder 32%, aluminium oxide 1.40%, yttrium oxide 4.0%, tungsten, molybdenum, titanium total 0.6%, the zirconium oxide, aluminium oxide and yttrium oxide
Partial size is 0.10-0.35 μm, nichrome powder and tungsten, molybdenum, titanium partial size be 0.25-0.80 μm.
A kind of manufacture craft of the novel Ausmelt furnace lance head of the present embodiment, comprising the following steps:
(1) it pre-processes: 1 removing surface of basis material is clean, the grease on surface is removed, base is first reduced using mechanical grinding
The surface stress of body material 1 reuses sandblasting and carries out roughing in surface to basis material 1 to increase the adhesion strength of basis material 1；
(2) transition zone sprays: using with 1 performance of basis material is close, the chrome-nickel compatible with Protective coatings performance
Transition zone of the powder as basis material 1 and protective film is adopted with ensuring good adhesive force between basis material 1 and protective film
With plasma spray coating process spraying plating chrome-nickel, the temperature that basis material is controlled in spraying process is 175.5 DEG C, with basis material
1 is used as cathode, and using transition zone alloy occurring source as anode, by high-purity argon gas as the working gas starting the arc, direct-current arc is risen
Arc power is 28KW, and the working gas of importing and the heating of transition zone alloy powder are ionized into High temperature ion beam, control plasma
It is 15000 DEG C that body, which fires heart temperature, and equably diffusion is ejected on basis material 1, is formed a film through natural cooling cured after deposition, transition
Layer with a thickness of 40 μm；
(3) protective layer plated film: spraying protective film coating using plasma spray coating process, using basis material 1 as cathode, to protect
For cuticula raw material occurring source as anode, the plasma process parameter synchronization in spraying process is rapid (2), the protective film with a thickness of
200 μm, fusing point >=2350 DEG C, bending strength >=950MPa, Young's modulus 210GPa, HV hardness is 10.5GPa, destroys toughness
> 6.6MPam1/2, thermal expansion coefficient is 10.6 × 10-6-17.7×10-6/ DEG C, thermal coefficient is 1.5 W/ (mK).
Embodiment 3
Referring to Fig. 1, a kind of novel Ausmelt furnace lance head of the present embodiment, the pipette tips are by 310S stainless steel base material
Material is made, and transition zone alloy powder and protective film are successively coated in the pipette tips, and the transition zone alloy contains chromium 30%
Partial size with nickel 70%, the alloy powder is 300 mesh, and the protective film includes following component: zirconium oxide 68%, nichrome powder
24%, aluminium oxide 1.60%, yttrium oxide 6.0%, tungsten, molybdenum, titanium total 0.4%, the partial size of the zirconium oxide, aluminium oxide and yttrium oxide is
0.10-0.35 μm, nichrome powder and tungsten, molybdenum, titanium partial size be 0.25-0.80 μm.
A kind of manufacture craft of the novel Ausmelt furnace lance head of the present embodiment, comprising the following steps:
(1) it pre-processes: 1 removing surface of basis material is clean, the grease on surface is removed, base is first reduced using mechanical grinding
The surface stress of body material 1 reuses sandblasting and carries out roughing in surface to basis material 1 to increase the adhesion strength of basis material 1；
(2) transition zone sprays: using with 1 performance of basis material is close, the chrome-nickel compatible with Protective coatings performance
Transition zone of the powder as basis material 1 and protective film is adopted with ensuring good adhesive force between basis material 1 and protective film
With plasma spray coating process spraying plating chrome-nickel, the temperature that basis material 1 is controlled in spraying process is 182.5 DEG C, with matrix material
Material 1 is used as cathode, using transition zone alloy occurring source as anode, by high-purity argon gas as the working gas starting the arc, direct-current arc
Starting the arc power is 33KW, and the working gas of importing and the heating of transition zone alloy powder are ionized into High temperature ion beam, control etc. from
It is 20000 DEG C that heart temperature is fired in daughter, and equably diffusion is ejected on basis material 1, is formed a film through natural cooling cured after deposition, mistake
Cross layer with a thickness of 60 μm；
(3) protective layer plated film: spraying protective film coating using plasma spray coating process, using basis material 1 as cathode, to protect
For cuticula raw material occurring source as anode, the plasma process parameter synchronization in spraying process is rapid (2), the protective film with a thickness of
400 μm, fusing point >=2350 DEG C, bending strength >=950MPa, Young's modulus 240GPa, HV hardness is 13.5GPa, destroys toughness
> 6.6MPam1/2, thermal expansion coefficient is 10.6 × 10-6-17.7×10-6/ DEG C, thermal coefficient is 5.0 W/ (mK).
Claims (1)
1. a kind of Ausmelt furnace lance head, the pipette tips are made by 310S stainless steel base material, it is characterised in that: institute
It states and is successively coated with transition zone alloy powder and protective film in pipette tips, the transition zone alloy powder contains chromium 25% and nickel 75%,
The partial size of the alloy powder is 200 mesh, and the protective film includes following component: zirconium oxide 65%, nichrome powder 28%, oxidation
Aluminium 1.50%, yttrium oxide 5.0%, tungsten, molybdenum, titanium total 0.5%, the partial size of the zirconium oxide, aluminium oxide and yttrium oxide are 0.10-
0.35 μm, nichrome powder and tungsten, molybdenum, titanium partial size be 0.25-0.80 μm；
When preparation, comprising the following steps:
(1) it pre-processes: substrate material surface being cleaned out, the grease on surface is removed, matrix material is first reduced using mechanical grinding
The surface stress of material reuses sandblasting and carries out roughing in surface to basis material to increase the adhesion strength of basis material；
(2) transition zone sprays: using plasma spray coating process spraying plating chrome-nickel, the temperature of basis material is controlled in spraying process
It is 180 DEG C, using basis material as cathode, using transition zone alloy occurring source as anode, by high-purity argon gas as work gas
The body starting the arc, direct-current arc starting the arc power are 30k W, and the working gas of importing and the heating of transition zone alloy powder are ionized into high temperature
Ion beam, control plasma combustion heart temperature is 18000 DEG C, and equably diffusion is ejected on basis material, heavy through natural cooling
Film-forming after product, transition zone with a thickness of 50 μm；
(3) protective layer plated film: protective film coating is sprayed using plasma spray coating process, using basis material as cathode, with protective film
For raw material occurring source as anode, the plasma process parameter synchronization in spraying process is rapid (2), the protective film with a thickness of 300 μ
M, fusing point >=2350 DEG C, bending strength >=950MPa, Young's modulus 230GPa, HV hardness are 12.3GPa, destroy toughness >
6.6MPa·m1/2, thermal expansion coefficient is 10.6 × 10-6-17.7×10-6/ DEG C, thermal coefficient is 3.8 W/ (mK).
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| CN110846461A (en) * | 2018-07-27 | 2020-02-28 | 包头市英曼科技有限公司 | Preparation method of anti-sticking steel coating on surface of oxygen lance and oxygen lance with anti-sticking steel coating |
| CN111926280B (en) * | 2020-09-03 | 2021-09-14 | 昆明理工大学 | High-entropy alloy coating of long-life spray gun for Isa smelting and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1172172A (en) * | 1996-07-26 | 1998-02-04 | 武汉工业大学 | Ceramic compound coat bottom roller for silicon steel continuous annealing furnace |
| CN102491639A (en) * | 2011-12-01 | 2012-06-13 | 安徽禹恒材料技术有限公司 | Nanometer aluminum oxide composite ceramic coating layer and preparation method thereof |
| CN105648386A (en) * | 2016-02-18 | 2016-06-08 | 中国科学院上海硅酸盐研究所 | Thermal spraying aluminum oxide-yttrium oxide composite ceramic coating and preparing method thereof |
-
2017
- 2017-06-22 CN CN201710481567.9A patent/CN107254655B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1172172A (en) * | 1996-07-26 | 1998-02-04 | 武汉工业大学 | Ceramic compound coat bottom roller for silicon steel continuous annealing furnace |
| CN102491639A (en) * | 2011-12-01 | 2012-06-13 | 安徽禹恒材料技术有限公司 | Nanometer aluminum oxide composite ceramic coating layer and preparation method thereof |
| CN105648386A (en) * | 2016-02-18 | 2016-06-08 | 中国科学院上海硅酸盐研究所 | Thermal spraying aluminum oxide-yttrium oxide composite ceramic coating and preparing method thereof |
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