CN106636946A - 一种高硬度球磨机用研磨体制备方法 - Google Patents

一种高硬度球磨机用研磨体制备方法 Download PDF

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CN106636946A
CN106636946A CN201611010055.6A CN201611010055A CN106636946A CN 106636946 A CN106636946 A CN 106636946A CN 201611010055 A CN201611010055 A CN 201611010055A CN 106636946 A CN106636946 A CN 106636946A
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water
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molten steel
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王卫远
夏明星
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Maanshan Yinding Machinery Manufacturing 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
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/20—Disintegrating members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00—Centrifugal casting; Casting by using centrifugal force
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
    • 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
    • C23C22/06—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 using aqueous acidic solutions with pH less than 6
    • C23C22/07—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 using aqueous acidic solutions with pH less than 6 containing phosphates

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Food Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crushing And Grinding (AREA)

Abstract

本发明公开了一种高硬度球磨机用研磨体制备方法，包括有以下工艺步骤：钢水由以下质量百分数合金成分组成：1.45%≤C≤1.65%，1.55≤Si≤1.75%，1.3%≤Mn≤1.5%，0.008≤P≤0.012%，0.008≤S≤0.012%，2.2%≤Cr≤2.8%，0.6%≤Mo≤0.9%，0.2≤Nb≤0.5%，0.1≤Co≤0.2%，0.05≤Na≤0.1%，0.22≤Ti≤0.28%，余量为Fe；本发明通过离心浇注方式和磷化处理方式，机械强度性能好、冲击韧性高，并且其中成分多为常规元素，生产成本低，便于推广。

Description

一种高硬度球磨机用研磨体制备方法
技术领域
本发明涉及球磨材料领域，具体属于一种高硬度球磨机用研磨体制备方法。
背景技术
球磨机中的粉碎介质是用于粉碎磨机中的物料，一种是以铬为主要合金元素的白口铸铁简称铬合金铸铁，以铬合金铸铁为材料的铸造磨球称为铬合金铸铁磨球；另一种是以球墨铸铁为材料的铸造磨球称为球墨铸铁磨球，耐磨球主要应用于冶金矿山、水泥建材、火力发电等行业粉料生产与加工的主要设备，球磨机工作过程中，磨球属于主要易磨损件，对使用成本影响极大；随着工业的发展，各式大型球磨机逐年增加，磨球的消耗也大幅度增长。而现有的耐磨球晶体组织粗糙，硬度比较低，冲击韧性低，耐磨性能差等长缺点。现有中国专利好为201310658525.X一种耐磨球专利，其中该耐磨球中用到重量比为0.05-0.10％的稀土，耐磨球是常消耗品，采用稀土成本较高。
发明内容
本发明的目的是提供一种高硬度球磨机用研磨体制备方法，通过离心浇注方式和磷化处理方式，机械强度性能好、冲击韧性高，并且其中成分多为常规元素，生产成本低，便于推广。
本发明的技术方案如下：
一种高硬度球磨机用研磨体制备方法，包括有以下工艺步骤：
1）、钢水由以下质量百分数合金成分组成：1.45%≤C≤1.65%，1.55≤Si≤1.75%，1.3%≤Mn≤1.5%，0.008≤P≤0.012%，0.008≤S≤0.012%，2.2%≤Cr≤2.8%，0.6%≤Mo≤0.9%，0.2≤Nb≤0.5%，0.1≤Co≤0.2%，0.05≤Na≤0.1%，0.22≤Ti≤0.28%，余量为Fe；
2）、配制好的钢水在离心力的作用下通过底注式浇道平稳进入型腔，熔液在金属型的激冷作用下迅速凝固成型，控制浇注速度为220-332g/s；
3）研磨体铸件温度空冷到440℃～500℃时，保温30-40分钟之后进行水冷，水冷后经外观验收后进行磷化处理，在120-135℃的温度下进行，磷酸盐溶液的游离酸度于总酸度的比值为2∶3-4，处理时间为25-35分钟。
所述步骤3）研磨体铸件温度空冷到470℃时，保温35分钟之后进行水冷，水冷后经外观验收后进行磷化处理，在127℃的温度下进行，磷酸盐溶液的游离酸度于总酸度的比值为2∶3.5，处理时间为30分钟。
本发明经超声波探伤检测，材料的内部缺陷得到了有效消除，原料取材方便，同时成本较低，通过离心浇注方式和磷化处理方式，机械强度性能好、冲击韧性高，并且其中成分多为常规元素，生产成本低，便于推广。
具体实施方式
一种高硬度球磨机用研磨体制备方法，包括有以下工艺步骤：
1）、钢水由以下质量百分数合金成分组成：1.45%≤C≤1.65%，1.55≤Si≤1.75%，1.3%≤Mn≤1.5%，0.008≤P≤0.012%，0.008≤S≤0.012%，2.2%≤Cr≤2.8%，0.6%≤Mo≤0.9%，0.2≤Nb≤0.5%，0.1≤Co≤0.2%，0.05≤Na≤0.1%，0.22≤Ti≤0.28%，余量为Fe；
2）、配制好的钢水在离心力的作用下通过底注式浇道平稳进入型腔，熔液在金属型的激冷作用下迅速凝固成型，控制浇注速度为226g/s；
3）研磨体铸件温度空冷到470℃时，保温35分钟之后进行水冷，水冷后经外观验收后进行磷化处理，在127℃的温度下进行，磷酸盐溶液的游离酸度于总酸度的比值为2∶3.5，处理时间为30分钟。
本发明生产的高硬度球磨机用研磨体试验数据：抗拉强度σb≥840MPa；屈服强度σ0.2≥610MPa；延伸率δ5(‰) ≥3.9；断面收缩率ψ(‰) ≥14.2；硬度HRC30-32。

Claims (2)

1.一种高硬度球磨机用研磨体制备方法，其特征在于，包括有以下工艺步骤：
1）、钢水由以下质量百分数合金成分组成：1.45%≤C≤1.65%，1.55≤Si≤1.75%，1.3%≤Mn≤1.5%，0.008≤P≤0.012%，0.008≤S≤0.012%，2.2%≤Cr≤2.8%，0.6%≤Mo≤0.9%，0.2≤Nb≤0.5%，0.1≤Co≤0.2%，0.05≤Na≤0.1%，0.22≤Ti≤0.28%，余量为Fe；
2）、配制好的钢水在离心力的作用下通过底注式浇道平稳进入型腔，熔液在金属型的激冷作用下迅速凝固成型，控制浇注速度为220-332g/s；
3）研磨体铸件温度空冷到440℃～500℃时，保温30-40分钟之后进行水冷，水冷后经外观验收后进行磷化处理，在120-135℃的温度下进行，磷酸盐溶液的游离酸度于总酸度的比值为2∶3-4，处理时间为25-35分钟。
2.根据权利要求1所述的高硬度球磨机用研磨体制备方法，其特征在于，所述步骤3）研磨体铸件温度空冷到470℃时，保温35分钟之后进行水冷，水冷后经外观验收后进行磷化处理，在127℃的温度下进行，磷酸盐溶液的游离酸度于总酸度的比值为2∶3.5，处理时间为30分钟。
CN201611010055.6A 2016-11-17 2016-11-17 一种高硬度球磨机用研磨体制备方法 Pending CN106636946A (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101135026A (zh) * 2006-09-01 2008-03-05 河南科技大学 立式磨空心耐磨球化学成分控制及热处理工艺
CN104099532A (zh) * 2014-07-31 2014-10-15 宁国市宁武耐磨材料有限公司 一种球磨机用耐热高强高硬耐磨球
CN105483522A (zh) * 2015-12-28 2016-04-13 合肥中澜新材料科技有限公司 一种铝合金抗拉螺栓制作工艺
CN105537592A (zh) * 2015-12-30 2016-05-04 安徽悦众车身装备有限公司 一种汽车变速箱用换挡叉粉末冶金制备方法
CN105543632A (zh) * 2015-12-28 2016-05-04 合肥中澜新材料科技有限公司 一种高强度滚子轴承外圈制备方法
CN105880948A (zh) * 2016-05-24 2016-08-24 安庆银泰轴承有限公司 一种空调轴承内套的制备方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101135026A (zh) * 2006-09-01 2008-03-05 河南科技大学 立式磨空心耐磨球化学成分控制及热处理工艺
CN104099532A (zh) * 2014-07-31 2014-10-15 宁国市宁武耐磨材料有限公司 一种球磨机用耐热高强高硬耐磨球
CN105483522A (zh) * 2015-12-28 2016-04-13 合肥中澜新材料科技有限公司 一种铝合金抗拉螺栓制作工艺
CN105543632A (zh) * 2015-12-28 2016-05-04 合肥中澜新材料科技有限公司 一种高强度滚子轴承外圈制备方法
CN105537592A (zh) * 2015-12-30 2016-05-04 安徽悦众车身装备有限公司 一种汽车变速箱用换挡叉粉末冶金制备方法
CN105880948A (zh) * 2016-05-24 2016-08-24 安庆银泰轴承有限公司 一种空调轴承内套的制备方法

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