CN105645934A - 石膏磨用陶瓷研磨体 - Google Patents

石膏磨用陶瓷研磨体 Download PDF

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CN105645934A
CN105645934A CN201610032349.2A CN201610032349A CN105645934A CN 105645934 A CN105645934 A CN 105645934A CN 201610032349 A CN201610032349 A CN 201610032349A CN 105645934 A CN105645934 A CN 105645934A
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张国辉
温海滨
王慧
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University of Jinan
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Abstract

本发明提供一种石膏用陶瓷研磨体，主要由以下原料组分制备而成，Al2O3：62%~83%，SiO2：5%~8%，Cr2O3：0.5%~1.8%，TiO2：1%~1.45%，MnO：1.51%~1.75%，ZrO2：1.6%~3.4%，BaO：1%~3%，硅硼钙石：4.6%~7%，ZnO：2%~2.8%，纳米胶体硅：0.5%~1.1%，助溶剂2%~6%。本发明石膏磨用陶瓷研磨体自重轻，磨损率低，能大幅降低粉磨能耗，延长研磨体使用寿命，降低成本；研磨过程中没有杂质金属铁离子的掺入，不影响建筑石膏粉的白度及强度；陶瓷研磨体还能减少静电吸附，有利于提高粉磨效率。

Description

石膏磨用陶瓷研磨体
技术领域
本发明涉及一种石膏磨用陶瓷研磨体，属于功能陶瓷领域。
背景技术
因此，能耗低、自重小、磨损率低的低密度研磨体为越来越多的科研工作者所研究。申请号为201510077860.X、201510077859.7、2015100358580.8的中国发明专利给出不同的低密度研磨体的制备方法及生产工艺，主要应用于水泥磨中。在水泥磨中球磨工艺主要起到粉碎、研磨的双重功效，而石膏粉磨工艺中，由于煅烧后石膏粒径较小（一般大于50目），研磨功能起主要作用，所以具有强冲击力高密度的金属研磨体在使用中能耗、损耗巨大，发挥不出其更有力的效果。专用于石膏磨中的低密度陶瓷研磨体的研究较少。全国每年产出的工业副产石膏有上亿吨，占用大量的土地，给生态环境造成严重危害，煅烧成建筑石膏粉是处理工业副产石膏循环利用的主要途径，改善煅烧建筑石膏粉的性能，增大应用范围显得尤为重要。
因此，寻求一种适用、专用、性能优异的石膏磨研磨体具有重大的意义。
发明内容
本发明的目的在于提供一种耗能低、磨损率低的石膏磨用陶瓷研磨体。
本发明的技术方案为：
石膏磨用陶瓷研磨体，由以下重量百分比的原料制备而成，
Al2O3：62%~83%，SiO2：5%~8%，Cr2O3：0.5%~1.8%，TiO2：1%~1.45%，MnO：1.51%~1.75%，ZrO2：1.6%~3.4%，BaO：1%~3%，硅硼钙石：4.6%~7%，ZnO：2%~2.8%，纳米胶体硅：0.5%~1.1%，助溶剂2%~6%。
所述的助溶剂为AlF3、CaF2、钠长石、NH4Cl、MgO的一种或几种的组合。
本发明技术方案有如下显著进步之处：
本发明石膏磨用陶瓷研磨体与金属研磨体比较，自重轻，磨损率低，能大幅降低粉磨能耗，延长研磨体使用寿命，降低成本；研磨过程中没有杂质金属铁离子的掺入，不影响建筑石膏粉的白度及强度；陶瓷研磨体还能减少静电吸附，有利于提高粉磨效率；
本发明陶瓷研磨体结构致密，ZrO2的加入改善陶瓷脆性，增强韧性；为了增大石膏用陶瓷研磨体的研磨功能性，在结构中置入磨削能力极强的微晶矿物质，SiO2、Cr2O3、BaO等，强化对物料的磋磨作用，加大研磨能力，微晶矿物的加入，硬度高，使研磨体功能不会受腐蚀影响，助溶剂的加入，降低陶瓷的在低温烧结条件下致密烧结，降低耗能，提高生产效率。
具体实施方式
实施案例1
石膏磨用陶瓷研磨体，由以下重量百分比的原料制备而成，
Al2O3：75%，SiO2：6.1%，Cr2O3：1.1%，TiO2：1.3%，MnO：1.6%，ZrO2：1.8%，BaO：1.9%，硅硼钙石：5.8%，ZnO：2.4%，纳米胶体硅：0.3%，助溶剂2.7%。
所述的助溶剂为钠长石和MgO的组合，比例为55%和45%。
制备成的球形石膏磨用研磨体，体积密度3.55g/cm3，硬度达到莫氏硬度9级，单体强度为267MPa，磨耗为0.05‰。
实施案例2
石膏磨用陶瓷研磨体，由以下重量百分比的原料制备而成，
Al2O3：77.5%，SiO2：5.2%，Cr2O3：0.8%，TiO2：1.1%，MnO：1.7%，ZrO2：1.8%，BaO：1.7%，硅硼钙石：4.8%，ZnO：2.6%，纳米胶体硅：0.5%，助溶剂2.3%。
所述的助溶剂为AlF3和CaF2的组合，比例为70%和30%。
制备成的球形石膏磨用研磨体，体积密度3.34g/cm3，硬度达到莫氏硬度9级，单体强度为249MPa，磨耗为0.08‰。

Claims (2)

1.石膏磨用陶瓷研磨体，其特征在于：由以下重量百分比的原料制备而成，
Al2O3：62%~83%，SiO2：5%~8%，Cr2O3：0.5%~1.8%，TiO2：1%~1.45%，MnO：1.51%~1.75%，ZrO2：1.6%~3.4%，BaO：1%~3%，硅硼钙石：4.6%~7%，ZnO：2%~2.8%，纳米胶体硅：0.3%~1.1%，助溶剂2%~6%。
2.根据权利要求1所述的石膏磨用陶瓷研磨体，其特征为所述的助溶剂为AlF3、CaF2、钠长石、NH4Cl、MgO的一种或几种的组合。
CN201610032349.2A 2016-01-19 2016-01-19 石膏磨用陶瓷研磨体 Expired - Fee Related CN105645934B (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1472164A (zh) * 2003-07-09 2004-02-04 山东硅苑新材料科技股份有限公司 低温烧结复相耐磨陶瓷材料
CN1918083A (zh) * 2004-02-10 2007-02-21 马格托国际股份有限公司 磨球及其生产方法
CN104649654A (zh) * 2015-02-14 2015-05-27 济南大学 一种水泥磨专用低密度研磨柱的制备方法
CN104649655A (zh) * 2015-02-14 2015-05-27 济南大学 一种水泥磨专用低密度研磨球的制备方法
CN104845584A (zh) * 2015-01-06 2015-08-19 朱晖 一种用于水泥粉磨的非金属研磨介质及其应用

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1472164A (zh) * 2003-07-09 2004-02-04 山东硅苑新材料科技股份有限公司 低温烧结复相耐磨陶瓷材料
CN1918083A (zh) * 2004-02-10 2007-02-21 马格托国际股份有限公司 磨球及其生产方法
CN104845584A (zh) * 2015-01-06 2015-08-19 朱晖 一种用于水泥粉磨的非金属研磨介质及其应用
CN104649654A (zh) * 2015-02-14 2015-05-27 济南大学 一种水泥磨专用低密度研磨柱的制备方法
CN104649655A (zh) * 2015-02-14 2015-05-27 济南大学 一种水泥磨专用低密度研磨球的制备方法

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