CN105821331A - 一种刚强度球磨机用研磨体制备方法 - Google Patents
一种刚强度球磨机用研磨体制备方法 Download PDFInfo
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
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- 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
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- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
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- 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
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- 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
- C23C8/08—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 only one element being applied
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- C23C8/26—Nitriding of ferrous surfaces
Abstract
本发明公开了一种刚强度球磨机用研磨体制备方法,具有如下步骤:将按4:1:1.2:0.2的废钢、低碳锰铁、生铁、铝合金、以及相当于上述炉料总质量1‑1.5%熔炼造渣剂加入到中频感应炉中混合加热熔化,所述熔炼造渣剂是由以下重量份的原料组成:石墨5‑7份、氧化铝3.5‑4.5份、烧碱3‑5份、硅酸钠6‑8份、氧化铁5.5‑7.5份、无水硼砂5‑8份;并按要求调整化学成分的含量,本发明锻造成型容易,使合金钢的奥氏体转变成下贝氏体组织,使得合金硬度、耐磨性能及表面耐热性能均得到很大的提高。
Description
技术领域
本发明涉及球磨机领域,具体属于一种刚强度球磨机用研磨体制备方法。
背景技术
球磨机是物料被破碎之后,再进行粉碎的关键设备。它广泛应用于水泥,硅酸盐制品,新型建筑材料、耐火材料、化肥、黑与有色金属选矿以及玻璃陶瓷等生产行业,对各种矿石和其它可磨性物料进行干式或湿式粉磨。球磨机适用于粉磨各种矿石及其它物料,被广泛用于选矿,建材及化工等行业,可分为干式和湿式两种磨矿方式。
发明内容
本发明的目的是提供一种刚强度球磨机用研磨体制备方法,锻造成型容易,使合金钢的奥氏体转变成下贝氏体组织,使得合金硬度、耐磨性能及表面耐热性能均得到很大的提高。
本发明的技术方案如下:
一种刚强度球磨机用研磨体制备方法,具有如下步骤:
a)将按4:1:1.2:0.2的废钢、低碳锰铁、生铁、铝合金、以及相当于上述炉料总质量1-1.5%熔炼造渣剂加入到中频感应炉中混合加热熔化,所述熔炼造渣剂是由以下重量份的原料组成:石墨5-7份、氧化铝3.5-4.5份、烧碱3-5份、硅酸钠6-8份、氧化铁5.5-7.5份、无水硼砂5-8份;并按要求调整化学成分的含量,检测钢水中其中元素化学成分的重量百分比:0.85-1.15%的铬,0.75-0.95%的镍,0.2-0.5%的钼,0. 17-0.24%的钨,0.1-0.2%的钴,0.2-0.4%的矾,0.03-0.06%的钛,0.01-0.03%的锡;
b)分别进行盐浴淬火池处理、真空渗氮处理,盐浴处理温度为120-135℃,盐浴处理保温时间为1-1.4h,熔盐各成分重量比为:氯化钠12-14份、纯碱12-14份、亚硝酸钾2-5份、碳酸铝 2.5-4.5份、硝酸钠6-8份;真空渗氮处理是先将真空炉排气至真空度1.4-1.8Pa后,炉内温度升温至355~385℃,同时以1.2-1.4L/min送入氮气;
c)对研磨体进行感应加热烤漆处理步骤
第一步,将温度从常温上升到650℃,用时60s;
第二步,将温度从650℃下降到500℃,用时40s;
第三步,将温度从500℃下降到350℃,用时30s;
第四步,将温度从350℃下降到室温,用时100s。
所述检测钢水中其中元素化学成分的重量百分比:1%的铬,0.85%的镍,0.35%的钼,0.2%的钨,0.15%的钴,0.3%的矾,0.045%的钛,0.02%的锡。
本发明制造效率高,锻造成型容易,合金钢的奥氏体转变成下贝氏体组织,使得合金硬度、耐磨性能及表面耐热性能均得到很大的提高。经试验证明,研磨体的力学性能:抗拉强度Rm≥783Mpa,屈服强度Re≥550Mpa,伸长率A≥14.5%,力学性能Z≥21%,冲击吸收功Akv≥23J。
具体实施方式
一种刚强度球磨机用研磨体制备方法,具有如下步骤:
a)将按4:1:1.2:0.2的废钢、低碳锰铁、生铁、铝合金、以及相当于上述炉料总质量1-1.5%熔炼造渣剂加入到中频感应炉中混合加热熔化,所述熔炼造渣剂是由以下重量份的原料组成:石墨5-7份、氧化铝3.5-4.5份、烧碱3-5份、硅酸钠6-8份、氧化铁5.5-7.5份、无水硼砂5-8份;并按要求调整化学成分的含量,检测钢水中其中元素化学成分的重量百分比:1%的铬,0.85%的镍,0.35%的钼,0.2%的钨,0.15%的钴,0.3%的矾,0.045%的钛,0.02%的锡;
b)分别进行盐浴淬火池处理、真空渗氮处理,盐浴处理温度为120-135℃,盐浴处理保温时间为1-1.4h,熔盐各成分重量比为:氯化钠12-14份、纯碱12-14份、亚硝酸钾2-5份、碳酸铝 2.5-4.5份、硝酸钠6-8份;真空渗氮处理是先将真空炉排气至真空度1.4-1.8Pa后,炉内温度升温至355~385℃,同时以1.2-1.4L/min送入氮气;
c)对研磨体进行感应加热烤漆处理步骤
第一步,将温度从常温上升到650℃,用时60s;
第二步,将温度从650℃下降到500℃,用时40s;
第三步,将温度从500℃下降到350℃,用时30s;
第四步,将温度从350℃下降到室温,用时100s。
Claims (2)
1.一种刚强度球磨机用研磨体制备方法,其特征在于,具有如下步骤:
a)将按4:1:1.2:0.2的废钢、低碳锰铁、生铁、铝合金、以及相当于上述炉料总质量1-1.5%熔炼造渣剂加入到中频感应炉中混合加热熔化,所述熔炼造渣剂是由以下重量份的原料组成:石墨5-7份、氧化铝3.5-4.5份、烧碱3-5份、硅酸钠6-8份、氧化铁5.5-7.5份、无水硼砂5-8份;并按要求调整化学成分的含量,检测钢水中其中元素化学成分的重量百分比:0.85-1.15%的铬,0.75-0.95%的镍,0.2-0.5%的钼,0. 17-0.24%的钨,0.1-0.2%的钴,0.2-0.4%的矾,0.03-0.06%的钛,0.01-0.03%的锡;
b)分别进行盐浴淬火池处理、真空渗氮处理,盐浴处理温度为120-135℃,盐浴处理保温时间为1-1.4h,熔盐各成分重量比为:氯化钠12-14份、纯碱12-14份、亚硝酸钾2-5份、碳酸铝 2.5-4.5份、硝酸钠6-8份;真空渗氮处理是先将真空炉排气至真空度1.4-1.8Pa后,炉内温度升温至355~385℃,同时以1.2-1.4L/min送入氮气;
c)对研磨体进行感应加热烤漆处理步骤
第一步,将温度从常温上升到650℃,用时60s;
第二步,将温度从650℃下降到500℃,用时40s;
第三步,将温度从500℃下降到350℃,用时30s;
第四步,将温度从350℃下降到室温,用时100s。
2.根据权利要求1所述刚强度球磨机用研磨体制备方法,其特征在于,所述检测钢水中其中元素化学成分的重量百分比:1%的铬,0.85%的镍,0.35%的钼,0.2%的钨,0.15%的钴,0.3%的矾,0.045%的钛,0.02%的锡。
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CN106319307A (zh) * | 2016-11-14 | 2017-01-11 | 安徽名杰净化科技有限公司 | 一种抗扭空气净化器用风轮制备方法 |
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CN1332264A (zh) * | 2001-07-25 | 2002-01-23 | 李喜林 | 一种超高硫具有多种复合自润滑相的高耐磨合金铸造材料 |
CN1950619A (zh) * | 2004-05-04 | 2007-04-18 | Zf腓特烈港股份公司 | 用于对分式球面轴颈的球形元件及制造方法 |
CN103038383A (zh) * | 2010-07-28 | 2013-04-10 | 新日铁住金株式会社 | 热轧钢板、冷轧钢板、镀锌钢板及这些钢板的制造方法 |
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CN1332264A (zh) * | 2001-07-25 | 2002-01-23 | 李喜林 | 一种超高硫具有多种复合自润滑相的高耐磨合金铸造材料 |
CN1950619A (zh) * | 2004-05-04 | 2007-04-18 | Zf腓特烈港股份公司 | 用于对分式球面轴颈的球形元件及制造方法 |
CN103038383A (zh) * | 2010-07-28 | 2013-04-10 | 新日铁住金株式会社 | 热轧钢板、冷轧钢板、镀锌钢板及这些钢板的制造方法 |
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CN106319307A (zh) * | 2016-11-14 | 2017-01-11 | 安徽名杰净化科技有限公司 | 一种抗扭空气净化器用风轮制备方法 |
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