CN112030098A - 一种艾萨炉冶炼长寿命喷枪之高温合金涂层及其制备方法 - Google Patents
一种艾萨炉冶炼长寿命喷枪之高温合金涂层及其制备方法 Download PDFInfo
- Publication number
- CN112030098A CN112030098A CN202010915932.4A CN202010915932A CN112030098A CN 112030098 A CN112030098 A CN 112030098A CN 202010915932 A CN202010915932 A CN 202010915932A CN 112030098 A CN112030098 A CN 112030098A
- Authority
- CN
- China
- Prior art keywords
- spray gun
- alloy
- spraying
- coating
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 97
- 239000000956 alloy Substances 0.000 title claims abstract description 97
- 238000000576 coating method Methods 0.000 title claims abstract description 76
- 239000011248 coating agent Substances 0.000 title claims abstract description 75
- 239000007921 spray Substances 0.000 title claims abstract description 58
- 238000003723 Smelting Methods 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 238000005488 sandblasting Methods 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 35
- 238000005507 spraying Methods 0.000 claims abstract description 34
- 238000010285 flame spraying Methods 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 230000008569 process Effects 0.000 claims abstract description 25
- 238000007750 plasma spraying Methods 0.000 claims abstract description 24
- 239000000428 dust Substances 0.000 claims abstract description 23
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000013329 compounding Methods 0.000 claims abstract description 8
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 229910000531 Co alloy Inorganic materials 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims description 57
- 239000000463 material Substances 0.000 claims description 25
- 239000004576 sand Substances 0.000 claims description 24
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 19
- 239000010935 stainless steel Substances 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000010431 corundum Substances 0.000 claims description 11
- 229910052593 corundum Inorganic materials 0.000 claims description 11
- 230000003247 decreasing effect Effects 0.000 claims description 11
- 230000001965 increasing effect Effects 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 10
- 239000012159 carrier gas Substances 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000003350 kerosene Substances 0.000 claims description 10
- 235000013550 pizza Nutrition 0.000 claims description 6
- 239000010432 diamond Substances 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 229910052735 hafnium Inorganic materials 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 229910052702 rhenium Inorganic materials 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 229910000601 superalloy Inorganic materials 0.000 claims 6
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000002679 ablation Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000000155 melt Substances 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract description 3
- 239000010949 copper Substances 0.000 abstract description 3
- 238000007751 thermal spraying Methods 0.000 abstract description 3
- 230000008021 deposition Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 229910052732 germanium Inorganic materials 0.000 abstract 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 8
- 239000002893 slag Substances 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 7
- 239000012141 concentrate Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 241001062472 Stokellia anisodon Species 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007749 high velocity oxygen fuel spraying Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229940056932 lead sulfide Drugs 0.000 description 1
- 229910052981 lead sulfide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000006276 transfer reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- 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
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- 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
-
- 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
- C23C4/129—Flame spraying
-
- 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
- C23C4/18—After-treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
本发明公开了一种艾萨炉冶炼长寿命喷枪之高温合金涂层,所述合金涂层由镍基合金、钴基合金或铁基合金中的任意一种或一种以上组合,经喷涂工艺复合于基体表面制备而成;其制备方法包括喷砂除尘、离子喷涂、火焰喷涂和热处理四步骤。本发明根据等离子喷涂制备涂层高空隙率和超音速火焰喷涂制备的合金外层高致密度的特点,发挥两者技术优势,制备高温合金涂层。降低整个涂层的热导率,以此来降低喷枪在使用过程中热烧蚀现象的出现;并能有效降低熔体与合金涂层的反应,使整个喷枪的寿命得到进一步的提升。可有效的降低了成本。热喷涂的高沉积率,可快速枪体涂层修复,提高了艾萨炉冶炼的经济效益。广泛应用于冶炼铜、铅、锗、锡矿等矿产的冶炼。
Description
技术领域
本发明属于冶金领域,尤其属于艾萨炉冶炼技术领域。具体涉及一种艾萨炉冶炼长寿命喷枪之高温合金涂层及其制备方法。
背景技术
艾萨熔炼法是一种熔池熔炼法,通过喷枪把富氧空气强制鼓入熔池,使溶池产生强烈搅动加快化学反应的速度,充分利用精矿中的硫、铁氧化所放出的热量进行熔炼,同时产出高品位金属。采用艾萨熔炼法可以熔炼铜精矿产出铜锍、直接熔炼硫化精铅矿生产粗铅、熔炼锡精矿生产锡,也可以处理冶炼厂的各种渣料及再生料等。艾萨法熔炼技术的广泛使用大大提高了生产效率。
艾萨炉采用衬有耐火砖的平顶圆形炉体,由炉壳、炉衬、炉底、炉墙、炉顶、喷枪、喷枪夹持架及升降装置、加料装置、上升烟道以及熔体排放出口等组成。喷枪由炉顶***炉内,向炉中的熔融体内的渣和金属的混合物喷射气体、氧气和燃料,形成在熔池内的熔体-炉料-气体之间造成强烈的搅拌与混合,强化了热量传递、质量传递和化学反应速率,在燃料需求和生产能力方面产生较高的经济效益。炉内熔渣溅起时在喷枪上形成挂层,保护了喷枪露出熔融体部分不受强烈腐蚀环境的损坏。艾萨炉的产品金属和渣的混合物从炉底部带有冷却水套的熔体排放出口排出,进入沉淀炉,利用冰铜和渣的不同比重分离。
艾萨熔炼法的特点在于其独特的喷枪低压旋涡器设计。艾萨炉喷枪的作业压力为80千帕左右,采用单段吹风机即可提供燃烧气体,不必使用昂贵的压缩机。喷枪固定在一个滑架上,与管路连接。滑架的各种管接头分别用金属软管与车间供油、供风管道相接。喷枪头部***渣层的深度,根据喷吹气体压力变化由计算机自动调节。浸没在渣中的喷枪往往会被铅渣腐蚀而失效,频繁的换枪操作会严重影响整个熔炼过程, 进而影响经济效益。因此,寻求一种合金涂层材料能够降低艾萨炉喷枪在使用过程中的烧蚀和氧化是解决这一问题的有效途径。
发明内容
本发明第一目的在于提供一种艾萨炉冶炼长寿命喷枪之高温合金涂层,利用其优异抗氧化性能的合金涂层,降低艾萨炉喷枪在使用过程中的烧蚀和氧化,从而提升喷枪的整体使用寿命。
本发明的另一目的在于提供一种艾萨炉冶炼长寿命喷枪之高温合金涂层的制备方法。
本发明的第一目的是这样实现的,所述艾萨炉冶炼长寿命喷枪之高温合金涂层,所述合金涂层由镍基合金、钴基合金或铁基合金中的任意一种或一种以上组合,经喷涂工艺复合于基体表面制备而成。
本发明的另一目的是这样实现的,所述艾萨炉冶炼长寿命喷枪之高温合金涂层的制备方法,包括喷砂除尘、离子喷涂、火焰喷涂和热处理步骤,具体包括:
(1)喷砂除尘:对不锈钢质艾萨炉喷枪用喷砂磨料进行喷砂与除尘处理;
(2)离子喷涂:对除尘后的喷枪用选定的合金粉末进行等离子喷涂;
(3)火焰喷涂:在等离子制备的合金涂层上面,再采用超音速火焰喷涂再制备一层合金涂层;
(4)热处理:对制备好涂层的枪体进行高温热处理,热处理温度为1000~1300℃,保温1.5~3h,随炉升降温。
本发明利用等离子喷涂制备涂层高空隙率和超音速火焰喷涂制备的合金外层高致密度的特点,即等离子喷涂制备的合金涂层,内部有许多孔洞,孔隙率较高;而超音速火焰喷涂的合金涂层,涂层内部缺陷较少,孔隙率很低(1%以内)。本发明提供了一种艾萨炉冶炼长寿命喷枪之高温合金涂层,其中等离子喷涂形成的过渡层从而降低整个涂层的热导率,以此来降低喷枪在使用过程中热烧蚀现象的出现。而超音速火焰喷涂制备的高致密度合金外层,能有效降低熔体与合金涂层的反应,使整个喷枪的寿命得到进一步的提升。本发明正是利用不同热喷涂技术的优势,根据不同合金的使用工况,设计了一种艾萨炉冶炼长寿命喷枪之高温合金涂层。相比于整个枪体采用较为昂贵的进口不锈钢材质,本发明有效的降低了成本,同时利用热喷涂高的沉积率,能快速有效的对枪体涂层进行制备,减弱了因为喷枪失效导致的工期延误,提高了艾萨炉冶炼的经济效益。
附图说明
图1为本发明艾萨炉结构及喷枪状态示意图;
图2为本发明艾萨炉冶炼合金涂层结构示意图;
图中:1~下料口;2~导料管;3~混合燃气;4~排烟气管道;5~喷枪;6~熔体;7~不锈钢基体;8~高温合金层(APS);9~高温合金层(HVOF)。
具体实施方式
下面将结合附图与实施例对本发明做进一步的说明,但不以任何方式对本发明加以限制,基于本发明教导所作的任何变更或改进,均属于本发明之保护范围。
如图1、图2所示,本发明所述艾萨炉冶炼长寿命喷枪之高温合金涂层,所述合金涂层由镍基合金、钴基合金或铁基合金中的任意一种或一种以上组合,经喷涂工艺复合于基体表面制备而成。
所述合金涂层材料由高温合金涂层XCrAlYM中的任意一种或一种以上组合,经喷涂工艺复合于基体表面制备而成,其中X=Ni,Co,Fe;M=Hf,La,Zr,Re,Si,Nb。
所述合金涂层材料由镍基合金NiCrAlYM与钴基合金CoCrAlYM、CoNiCrAlYM或FeCrAlYM中的任意两种组合,经喷涂工艺复合于基体表面制备而成。
所述合金粉末用于等离子喷涂时其粒度控制为25~75μm。
所述合金粉末用于超音速火焰喷涂喷涂时其粒度控制为15~80μm。
本发明所述艾萨炉冶炼长寿命喷枪之高温合金涂层的制备方法,包括喷砂除尘、离子喷涂、火焰喷涂和热处理四步骤,具体包括:
(1)喷砂除尘:对不锈钢质艾萨炉喷枪用喷砂磨料进行喷砂与除尘处理;
(2)离子喷涂:对除尘后的喷枪用选定的合金粉末进行等离子喷涂;
(3)火焰喷涂:在等离子制备的合金涂层上面,再采用超音速火焰喷涂再制备一层合金涂层;
(4)热处理:对制备好涂层的枪体进行高温热处理,热处理温度为1000~1300℃,保温1.5~3h,随炉升降温。
所述步骤(1)喷砂除尘用喷砂磨料为白刚玉砂、棕刚玉砂或金刚石砂,砂粒粒径为0.1~1.2mm,喷砂压力为0.2~0.8MPa。
所述步骤(2)中等离子喷涂工艺条件:氩气流量40~60L/min;氢气流量0.5~3.0L/min;电流350~700A;电压40~60V;送粉速度50~200g/min;喷涂距离80~130mm;喷枪移动速度10~300mm/s。
所述步骤(3)中超音速火焰喷涂工艺条件:煤油压力选择1.3MPa,流量为0~1L/min;氧气压力选择1.8MPa,流量为0~1m3/min;载气压力为0.5MPa,流量为4~12L/min;送粉压力为0.15MPa;送粉速度为0~300g/min。
所述步骤(4)中热处理温度为1100~1200℃,保温2~2.5h。
实施例1
本实施例所用内层合金涂层材料为NiCrAlYHf,外层合金涂层材料为CoNiCrAlYLa。内层等离子喷涂的NiCrAlYHf合金粉末粒度为30μm,外层超音速火焰喷涂喷涂的CoNiCrAlYLa合金粉末粒度为25μm。喷涂之前要对不锈钢喷枪进行喷砂和除尘处理,喷砂处理选用白刚玉砂,砂粒粒径为0.5mm,喷砂压力为0.8MPa。利用干燥的压缩空气对其表面进行洁净处理。
内层大气等离子喷涂工艺条件:氩气流量40L/min;氢气流量0.5L/min;电流550A;电压60V;送粉速度80g/min;喷涂距离100mm;喷枪移动速度100mm/s。
外层超音速火焰喷涂工艺条件:煤油压力选择1.3MPa,流量为0.5L/min;氧气压力选择1.8MPa,流量为0.6m3/min;载气压力为0.5MPa,流量为5L/min;送粉压力为0.15MPa;送粉速度为200g/min。对制备好涂层的枪体进行热处理,扩散热处理温度为1200℃,2h,随炉升降温。
实施例2
本实施例所用内层合金涂层材料为NiCoCrAlYRe,外层合金涂层材料为CoCrAlYHf。内层等离子喷涂的NiCoCrAlYRe合金粉末粒度为40μm,外层超音速火焰喷涂喷涂的CoCrAlYHf合金粉末粒度为30μm。喷涂之前要对不锈钢喷枪进行喷砂和除尘处理,喷砂处理选用白刚玉砂,砂粒粒径为0.8mm,喷砂压力为0.8MPa。利用干燥的压缩空气对其表面进行洁净处理。
内层大气等离子喷涂工艺条件:氩气流量50L/min;氢气流量1.2L/min;电流550A;电压: 60V;送粉速度200g/min;喷涂距离120mm;喷枪移动速度300mm/s。外层超音速火焰喷涂参数:煤油压力选择1.3MPa,流量为1L/min;氧气压力选择1.8MPa,流量为0.8m3/min;载气压力为0.5MPa,流量为5L/min;送粉压力为0.15MPa;送粉速度为180g/min。对制备好涂层的枪体进行热处理,扩散热处理温度为1300℃,1.5h,随炉升降温。
实施例3
本实施例所用内层合金涂层材料为NiCoCrAlYSi,外层合金涂层材料为FeCrAlYHf。内层等离子喷涂的NiCrAlYSi合金粉末粒度为50μm,外层超音速火焰喷涂喷涂的FeCrAlYHf合金粉末粒度为60μm。喷涂之前要对不锈钢喷枪进行喷砂和除尘处理,喷砂处理选用白刚玉砂,砂粒粒径为1mm,喷砂压力为0.6MPa。利用干燥的压缩空气对其表面进行洁净处理。
内层大气等离子喷涂工艺条件:氩气流量45L/min;氢气流量2.2L/min;电流500A;电压55V;送粉速度50g/min;喷涂距离120mm;喷枪移动速度150mm/s。外层超音速火焰喷涂参数:煤油压力选择1.3MPa,流量为0.9L/min;氧气压力选择1.8MPa,流量为0.6m3/min;载气压力为0.5MPa,流量为5L/min;送粉压力为0.15MPa;送粉速度为230g/min。对制备好涂层的枪体进行热处理,扩散热处理温度为1000℃,3h,随炉升降温。
实施例4
本实施例所用内层合金涂层材料为CoCrAlYZr,外层合金涂层材料为FeCrAlYRe。内层等离子喷涂的CoCrAlYZr合金粉末粒度为25μm,外层超音速火焰喷涂喷涂的FeCrAlYRe合金粉末粒度为80μm。喷涂之前要对不锈钢喷枪进行喷砂和除尘处理,喷砂处理选用棕刚玉砂,砂粒粒径为1.2mm,喷砂压力为0.8MPa。利用干燥的压缩空气对其表面进行洁净处理。
内层大气等离子喷涂工艺条件:氩气流量60L/min;氢气流量3L/min;电流700A;电压60V;送粉速度175g/min;喷涂距离125mm;喷枪移动速度150mm/s。外层超音速火焰喷涂参数:煤油压力选择1.3MPa,流量为0.8L/min;氧气压力选择1.8MPa,流量为0.55m3/min;载气压力为0.5MPa,流量为12L/min;送粉压力为0.15MPa;送粉速度为130g/min。对制备好涂层的枪体进行热处理,扩散热处理温度为1100℃,2.3h,随炉升降温。
实施例5
本实施例所用内层合金涂层材料为CoNiCrAlYNb,外层合金涂层材料为NiCrAlYSi。内层等离子喷涂的CoNiCrAlYNb合金粉末粒度为75μm,外层超音速火焰喷涂喷涂的NiCrAlYSi合金粉末粒度为15μm。喷涂之前要对不锈钢喷枪进行喷砂和除尘处理,喷砂处理选用金刚石砂,砂粒粒径为0.7mm,喷砂压力为0.2MPa。利用干燥的压缩空气对其表面进行洁净处理。
内层大气等离子喷涂工艺条件:氩气流量45L/min;氢气流量2.2L/min;电流500A;电压55V;送粉速度125g/min;喷涂距离100mm;喷枪移动速度300mm/s。外层超音速火焰喷涂参数:煤油压力选择1.3MPa,流量为0.56L/min;氧气压力选择1.8MPa,流量为0.83m3/min;载气压力为0.5MPa,流量为12L/min;送粉压力为0.15MPa;送粉速度为95g/min。对制备好涂层的枪体进行热处理,扩散热处理温度为1250℃,2h,随炉升降温。
实施例6
本实施例所用内层合金涂层材料为FeCrAlYSi,外层合金涂层材料为CoNiCrAlYZr。内层等离子喷涂的FeCrAlYSi合金粉末粒度为25μm,外层超音速火焰喷涂喷涂的CoNiCrAlYZr合金粉末粒度为44μm。喷涂之前要对不锈钢喷枪进行喷砂和除尘处理,喷砂处理选用棕刚玉砂,砂粒粒径为0.6mm,喷砂压力为0.8MPa。利用干燥的压缩空气对其表面进行洁净处理。
内层大气等离子喷涂工艺条件:氩气流量45L/min;氢气流量2.2L/min;电流500A;电压55V;送粉速度110g/min;喷涂距离80mm;喷枪移动速度10mm/s。外层超音速火焰喷涂参数:煤油压力选择1.3MPa,流量为0.32L/min;氧气压力选择1.8MPa,流量为0.45m3/min;载气压力为0.5MPa,流量为4L/min;送粉压力为0.15MPa;送粉速度为155g/min。对制备好涂层的枪体进行热处理,扩散热处理温度为1300℃,1.5h,随炉升降温。
实施例7
本实施例所用内层合金涂层材料为FeCrAlYZr,外层合金涂层材料为CoCrAlYRe。内层等离子喷涂的NiCrAlYSi合金粉末粒度为65μm,外层超音速火焰喷涂喷涂的FeCrAlYHf合金粉末粒度为80μm。喷涂之前要对不锈钢喷枪进行喷砂和除尘处理,喷砂处理选用白刚玉砂,砂粒粒径为1.1mm,喷砂压力为0.3MPa。利用干燥的压缩空气对其表面进行洁净处理。
内层大气等离子喷涂工艺条件:氩气流量60L/min;氢气流量0.5L/min;电流350A;电压40V;送粉速度200g/min;喷涂距离80mm;喷枪移动速度10mm/s。外层超音速火焰喷涂参数:煤油压力选择1.3MPa,流量为0.63L/min;氧气压力选择1.8MPa,流量为0.38m3/min;载气压力为0.5MPa,流量为11L/min;送粉压力为0.15MPa;送粉速度为70g/min。对制备好涂层的枪体进行热处理,扩散热处理温度为1200℃,2.5h,随炉升降温。
实施例8
本实施例所用内层合金涂层材料为FeCrAlYSi,外层合金涂层材料为CoNiCrAlYSi。内层等离子喷涂的FeCrAlYSi合金粉末粒度为75μm,外层超音速火焰喷涂喷涂的CoNiCrAlYSi合金粉末粒度为80μm。喷涂之前要对不锈钢喷枪进行喷砂和除尘处理,喷砂处理选用白刚玉砂,砂粒粒径为1.2mm,喷砂压力为0.8MPa。利用干燥的压缩空气对其表面进行洁净处理。
内层大气等离子喷涂工艺条件:氩气流量60L/min;氢气流量2.8L/min;电流650A;电压60V;送粉速度50g/min;喷涂距离130mm;喷枪移动速度300mm/s。外层超音速火焰喷涂参数:煤油压力选择1.3MPa,流量为0.95L/min;氧气压力选择1.8MPa,流量为0.24m3/min;载气压力为0.5MPa,流量为10L/min;送粉压力为0.15MPa;送粉速度为280g/min。对制备好涂层的枪体进行热处理,扩散热处理温度为1000℃,1.5h,随炉升降温。
Claims (10)
1.一种艾萨炉冶炼长寿命喷枪之高温合金涂层,其特征在于所述合金涂层由镍基合金、钴基合金或铁基合金中的任意一种或一种以上组合,经喷涂工艺复合于基体表面制备而成。
2.根据权利要求1所述的一种艾萨炉冶炼长寿命喷枪之高温合金涂层,其特征在于所述合金涂层材料由高温合金涂层XCrAlYM中的任意一种或一种以上组合,经喷涂工艺复合于基体表面制备而成,其中X=Ni,Co,Fe;M=Hf,La,Zr,Re,Si,Nb。
3.根据权利要求1所述的一种艾萨炉冶炼长寿命喷枪之高温合金涂层,其特征在于所述合金涂层材料由镍基合金NiCrAlYM与钴基合金CoCrAlYM、CoNiCrAlYM或FeCrAlYM中的任意两种组合,经喷涂工艺复合于基体表面制备而成。
4.根据权利要求1或2所述的一种艾萨炉冶炼长寿命喷枪之高温合金涂层,其特征在于所述合金粉末用于等离子喷涂时其粒度控制为25~75μm。
5.根据权利要求1或3所述的一种艾萨炉冶炼长寿命喷枪之高温合金涂层,其特征在于所述合金粉末用于超音速火焰喷涂时其粒度控制为15~80μm。
6.一种根据权利要求1~5任意一项所述艾萨炉冶炼长寿命喷枪之高温合金涂层的制备方法,包括喷砂除尘、离子喷涂、火焰喷涂和热处理步骤,其特征在于具体包括:
(1)喷砂除尘:对不锈钢质艾萨炉喷枪用喷砂磨料进行喷砂与除尘处理;
(2)离子喷涂:对除尘后的喷枪用选定的合金粉末进行等离子喷涂;
(3)火焰喷涂:在等离子制备的合金涂层上面,再采用超音速火焰喷涂再制备一层合金涂层;
(4)热处理:对制备好涂层的枪体进行高温热处理,热处理温度为1000~1300℃,保温1.5~3h,随炉升降温。
7.根据权利要求6所述艾萨炉冶炼长寿命喷枪之高温合金涂层的制备方法,其特征在于所述步骤(1)喷砂除尘用喷砂磨料为白刚玉砂、棕刚玉砂或金刚石砂,砂粒粒径为0.1~1.2mm,喷砂压力为0.2~0.8MPa。
8.根据权利要求6所述艾萨炉冶炼长寿命喷枪之高温合金涂层的制备方法,其特征在于所述步骤(2)中等离子喷涂工艺条件:氩气流量40~60L/min;氢气流量0.5~3.0L/min;电流350~700A;电压40~60V;送粉速度50~200g/min;喷涂距离80~130mm;喷枪移动速度10~300mm/s。
9.根据权利要求6所述艾萨炉冶炼长寿命喷枪之高温合金涂层的制备方法,其特征在于所述步骤(3)中超音速火焰喷涂工艺条件:煤油压力选择1.3MPa,流量为0~1L/min;氧气压力选择1.8MPa,流量为0~1m3/min;载气压力为0.5MPa,流量为4~12L/min;送粉压力为0.15MPa;送粉速度为0~300g/min。
10.根据权利要求6所述艾萨炉冶炼长寿命喷枪之高温合金涂层的制备方法,其特征在于所述步骤(4)中热处理温度为1100~1200℃,保温2~2.5h。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010915932.4A CN112030098A (zh) | 2020-09-03 | 2020-09-03 | 一种艾萨炉冶炼长寿命喷枪之高温合金涂层及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010915932.4A CN112030098A (zh) | 2020-09-03 | 2020-09-03 | 一种艾萨炉冶炼长寿命喷枪之高温合金涂层及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112030098A true CN112030098A (zh) | 2020-12-04 |
Family
ID=73591845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010915932.4A Pending CN112030098A (zh) | 2020-09-03 | 2020-09-03 | 一种艾萨炉冶炼长寿命喷枪之高温合金涂层及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112030098A (zh) |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1105396A (zh) * | 1993-11-08 | 1995-07-19 | 普拉塞尔·S·T·技术有限公司 | 具有良好耐腐蚀性和抗氧化性的涂层组合物 |
CN1431335A (zh) * | 2003-01-17 | 2003-07-23 | 西安交通大学 | 铜或铜合金基体上镍基自熔合金涂层的制备方法 |
CN102268626A (zh) * | 2010-06-01 | 2011-12-07 | 上海工程技术大学 | 一种金属表面改性方法 |
CN103320739A (zh) * | 2013-05-30 | 2013-09-25 | 中国船舶重工集团公司第七二五研究所 | 一种海洋环境防腐镍基涂层的制备方法 |
US20140010968A1 (en) * | 2012-07-04 | 2014-01-09 | Christopher D. Prest | Flame sprayed bulk solidifying amorphous alloy cladding layer |
CN105385976A (zh) * | 2015-11-30 | 2016-03-09 | 中国人民解放军装甲兵工程学院 | 一种机械零件密封涂层的制备方法 |
EP3034648A1 (en) * | 2014-12-16 | 2016-06-22 | United Technologies Corporation | Methods for coating gas turbine engine components |
CN107937856A (zh) * | 2017-10-31 | 2018-04-20 | 广东省新材料研究所 | 一种耐磨疏水涂层的制备方法 |
US20180112303A1 (en) * | 2016-10-21 | 2018-04-26 | General Electric Technology Gmbh | Method for coating article and feedstock for thermal spray process |
CN109182949A (zh) * | 2018-07-17 | 2019-01-11 | 中国科学院金属研究所 | 一种高性能封严涂层及其制备方法 |
CN111057988A (zh) * | 2019-12-27 | 2020-04-24 | 中航装甲科技有限公司 | 一种增强陶瓷三维约束涂层的制备方法 |
-
2020
- 2020-09-03 CN CN202010915932.4A patent/CN112030098A/zh active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1105396A (zh) * | 1993-11-08 | 1995-07-19 | 普拉塞尔·S·T·技术有限公司 | 具有良好耐腐蚀性和抗氧化性的涂层组合物 |
CN1431335A (zh) * | 2003-01-17 | 2003-07-23 | 西安交通大学 | 铜或铜合金基体上镍基自熔合金涂层的制备方法 |
CN102268626A (zh) * | 2010-06-01 | 2011-12-07 | 上海工程技术大学 | 一种金属表面改性方法 |
US20140010968A1 (en) * | 2012-07-04 | 2014-01-09 | Christopher D. Prest | Flame sprayed bulk solidifying amorphous alloy cladding layer |
CN103320739A (zh) * | 2013-05-30 | 2013-09-25 | 中国船舶重工集团公司第七二五研究所 | 一种海洋环境防腐镍基涂层的制备方法 |
EP3034648A1 (en) * | 2014-12-16 | 2016-06-22 | United Technologies Corporation | Methods for coating gas turbine engine components |
CN105385976A (zh) * | 2015-11-30 | 2016-03-09 | 中国人民解放军装甲兵工程学院 | 一种机械零件密封涂层的制备方法 |
US20180112303A1 (en) * | 2016-10-21 | 2018-04-26 | General Electric Technology Gmbh | Method for coating article and feedstock for thermal spray process |
CN107937856A (zh) * | 2017-10-31 | 2018-04-20 | 广东省新材料研究所 | 一种耐磨疏水涂层的制备方法 |
CN109182949A (zh) * | 2018-07-17 | 2019-01-11 | 中国科学院金属研究所 | 一种高性能封严涂层及其制备方法 |
CN111057988A (zh) * | 2019-12-27 | 2020-04-24 | 中航装甲科技有限公司 | 一种增强陶瓷三维约束涂层的制备方法 |
Non-Patent Citations (3)
Title |
---|
W. TILLMANN ET AL.: "Internal Diameter Coating Processes for Bond Coat (HVOF) and Thermal Barrier Coating (APS) Systems", 《JOURNAL OF THERMAL SPRAY TECHNOLOGY》 * |
张俊红等: "航空发动机可磨耗封严涂层技术研究及性能评价", 《材料工程》 * |
李春燕等: "热喷涂技术制备铁基非晶涂层的研究进展", 《功能材料》 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111926280B (zh) | 一种艾萨炉冶炼长寿命喷枪之高熵合金涂层及其制备方法 | |
CA2066455C (en) | Top submerged injection with a shrouded lance | |
CN101382387B (zh) | 有色金属熔炼侧吹炉喷枪 | |
CN107502702B (zh) | 一种全废钢电弧炉洁净化快速冶炼方法 | |
JPH04502937A (ja) | 火炎スプレー耐火物質用の方法および装置 | |
EP1390549B1 (en) | Metal-zirconia composite coating | |
CN111926281A (zh) | 一种艾萨炉冶炼长寿命喷枪陶瓷涂层及其制备方法 | |
CN110616293A (zh) | 一种向钢水中加入稀土的方法 | |
CN104928474B (zh) | 一种延长澳斯麦特炉喷枪使用寿命的方法 | |
CN1183477A (zh) | 电炉吹氧用喷枪 | |
CN1101078A (zh) | 操作多种介质供给管的方法及其供给管*** | |
CN112030098A (zh) | 一种艾萨炉冶炼长寿命喷枪之高温合金涂层及其制备方法 | |
US4238228A (en) | Non-ferrous metal treatment | |
CN112359310A (zh) | 辊轴表面涂层方法 | |
CN1215181C (zh) | 一种电炉炼钢顶氧枪吹炼工艺 | |
CN109628676B (zh) | 一种直接生产纯净铁水的短流程工艺 | |
CN208346238U (zh) | 一种设有精炼孔的阳极炉 | |
RU2576281C2 (ru) | Способ и система для удаления наслоения настыли в печи | |
JP2002115007A (ja) | 高炉の炉下部内壁面構造 | |
CN112033163A (zh) | 一种艾萨炉冶炼耐高温抗腐蚀长寿命合金喷枪及其制备方法 | |
CN201276589Y (zh) | 有色金属熔炼侧吹炉喷枪 | |
CN204898037U (zh) | 红土镍矿平炉冶炼装置 | |
CN211471521U (zh) | 一种处理铜冶炼贫化炉 | |
CN111995420A (zh) | 一种艾萨炉冶炼长寿命喷枪用陶瓷基复合涂层材料及其制备方法 | |
CN207031484U (zh) | 一种全废钢电弧炉洁净化快速冶炼装置*** |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |