CN106086604A - 一种冶金矿山球磨机用耐磨球制备方法 - Google Patents

一种冶金矿山球磨机用耐磨球制备方法 Download PDF

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CN106086604A
CN106086604A CN201610441201.4A CN201610441201A CN106086604A CN 106086604 A CN106086604 A CN 106086604A CN 201610441201 A CN201610441201 A CN 201610441201A CN 106086604 A CN106086604 A CN 106086604A
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wear
resistant ball
parts
vacuum
ferrum
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潘政桃
李家宝
张学伍
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Maanshan Yifeng Industry Group Co Ltd
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Maanshan Yifeng Industry Group Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/08—Making cast-iron alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D5/00—Heat treatments of cast-iron
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/36—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for balls; for rollers
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/06—Cast-iron alloys containing chromium
    • C22C37/08—Cast-iron alloys containing chromium with nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/10—Cast-iron alloys containing aluminium or silicon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/28—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in one step
    • C23C8/30—Carbo-nitriding
    • C23C8/32—Carbo-nitriding of ferrous surfaces

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

本发明公开了一种冶金矿山球磨机用耐磨球制备方法，包括有以下工艺步骤：选择如下配比的重量份原料：铬铁1.2‑1.6份、黄铜2.5‑3.5份、废铸铁42‑44份、覆盖剂0.5‑0.7份，将上述原料放入熔炼炉中经过脱硫处理、球化处理后，该铸造铁水中各合金成分及重量百分比为：C2.6~2.9%，Si1.3~1.6%，Mn1.6~1.8%，Mo0.1%~0.3%，P0.004%~0.015%，Cr2.4~2.6%，Nb0.04~0.08%，Ti0.15~0.25%，V0.05~0.11%，Ni0.15~0.25%，余量为铁；本发明材料的内部缺陷得到了有效消除，提高了耐磨球的耐磨性和疲劳强度，同时具有无氧化、无脱碳、无元素贫化等特点，可以减少耐磨球的热处理变形。

Description

一种冶金矿山球磨机用耐磨球制备方法
技术领域
本发明涉及耐磨球领域，具体属于冶金矿山球磨机用耐磨球制备方法。
背景技术
耐磨球广泛应用于冶金矿山、水泥建材、火力发电、烟气脱硫、磁性材料、化工、水煤浆、球团矿、矿渣、超细粉、粉煤灰、碳酸钙、石英砂等行业球磨机。目前的耐磨球存在着耐磨性能差，容易损坏等缺点，需要针对耐磨球制备方法进行进一步改进和研究。
发明内容
本发明的目的是提供一种冶金矿山球磨机用耐磨球制备方法，材料的内部缺陷得到了有效消除，提高了耐磨球的耐磨性和疲劳强度，同时具有无氧化、无脱碳、无元素贫化等特点，可以减少耐磨球的热处理变形。
本发明的技术方案如下：
一种冶金矿山球磨机用耐磨球制备方法，包括有以下工艺步骤：
1）、选择如下配比的重量份原料：铬铁1.2-1.6份、黄铜2.5-3.5份、废铸铁42-44份、覆盖剂0.5-0.7份，将上述原料放入熔炼炉中经过脱硫处理、球化处理后，该铸造铁水中各合金成分及重量百分比为：C2.6~2.9%，Si1.3~1.6%，Mn1.6~1.8%，Mo0.1%~0.3%，P0.004%~0.015%，Cr2.4~2.6%，Nb0.04~0.08%，Ti0.15~0.25%，V0.05~0.11%，Ni0.15~0.25%，余量为铁；
3）碳氮共渗处理：气体碳氮炉的温度为600-700℃，处理时间为30-40min,通入气体中由体积比3:5的氮气和二氧化碳组成，；
4）真空热处理：在0.02-1.5Pa真空度的真空介质中进行，热处理温度为350-400℃，热处理时间50-70min，然后自然空冷。
该铸造铁水中各合金成分及重量百分比为：C2.75%，Si1.45%，Mn1.7%，Mo0.2%，P0.009%，Cr2.5%，Nb0.06%，Ti0.2%，V0.08%，Ni0.2%，余量为铁。
本发明经碳氮共渗处理、真空热处理后，材料的内部缺陷得到了有效消除，提高了耐磨球的耐磨性和疲劳强度，同时具有无氧化、无脱碳、无元素贫化等特点，可以减少耐磨球的热处理变形。
具体实施方式
一种冶金矿山球磨机用耐磨球制备方法，包括有以下工艺步骤：
1）、选择如下配比的重量份原料：铬铁1.2-1.6份、黄铜2.5-3.5份、废铸铁42-44份、覆盖剂0.5-0.7份，将上述原料放入熔炼炉中经过脱硫处理、球化处理后，该铸造铁水中各合金成分及重量百分比为：C2.6~2.9%，Si1.3~1.6%，Mn1.6~1.8%，Mo0.1%~0.3%，P0.004%~0.015%，Cr2.4~2.6%，Nb0.04~0.08%，Ti0.15~0.25%，V0.05~0.11%，Ni0.15~0.25%，余量为铁；
3）碳氮共渗处理：气体碳氮炉的温度为600-700℃，处理时间为30-40min,通入气体中由体积比3:5的氮气和二氧化碳组成，；
4）真空热处理：在0.02-1.5Pa真空度的真空介质中进行，热处理温度为350-400℃，热处理时间50-70min，然后自然空冷。

Claims (2)

1.一种冶金矿山球磨机用耐磨球制备方法，其特征在于，包括有以下工艺步骤：
1）、选择如下配比的重量份原料：铬铁1.2-1.6份、黄铜2.5-3.5份、废铸铁42-44份、覆盖剂0.5-0.7份，将上述原料放入熔炼炉中经过脱硫处理、球化处理后，该铸造铁水中各合金成分及重量百分比为：C2.6~2.9%，Si1.3~1.6%，Mn1.6~1.8%，Mo0.1%~0.3%，P0.004%~0.015%，Cr2.4~2.6%，Nb0.04~0.08%，Ti0.15~0.25%，V0.05~0.11%，Ni0.15~0.25%，余量为铁；
3）碳氮共渗处理：气体碳氮炉的温度为600-700℃，处理时间为30-40min,通入气体中由体积比3:5的氮气和二氧化碳组成，；
4）真空热处理：在0.02-1.5Pa真空度的真空介质中进行，热处理温度为350-400℃，热处理时间50-70min，然后自然空冷。
2.根据权利要求1所述的化工管道用法兰表面处理方法，其特征在于，该铸造铁水中各合金成分及重量百分比为：C2.75%，Si1.45%，Mn1.7%，Mo0.2%，P0.009%，Cr2.5%，Nb0.06%，Ti0.2%，V0.08%，Ni0.2%，余量为铁。
CN201610441201.4A 2016-06-20 2016-06-20 一种冶金矿山球磨机用耐磨球制备方法 Pending CN106086604A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109371314A (zh) * 2018-11-27 2019-02-22 沈劲松 一种冶金矿山球磨机用耐磨球制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102719829A (zh) * 2012-02-02 2012-10-10 山东常林机械集团股份有限公司 一种球墨铸铁液压件表面硬化氮化热处理工艺
CN105316566A (zh) * 2015-10-28 2016-02-10 安徽省三方新材料科技有限公司 一种矿山专用耐磨球及其制造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102719829A (zh) * 2012-02-02 2012-10-10 山东常林机械集团股份有限公司 一种球墨铸铁液压件表面硬化氮化热处理工艺
CN105316566A (zh) * 2015-10-28 2016-02-10 安徽省三方新材料科技有限公司 一种矿山专用耐磨球及其制造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109371314A (zh) * 2018-11-27 2019-02-22 沈劲松 一种冶金矿山球磨机用耐磨球制备方法

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