CN107445603B - 一种环保陶瓷结合剂 - Google Patents

一种环保陶瓷结合剂 Download PDF

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CN107445603B
CN107445603B CN201710568607.3A CN201710568607A CN107445603B CN 107445603 B CN107445603 B CN 107445603B CN 201710568607 A CN201710568607 A CN 201710568607A CN 107445603 B CN107445603 B CN 107445603B
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杨子
尹青亚
边华英
张梦真
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Abstract

本发明公开了一种环保陶瓷结合剂,属陶瓷结合剂技术领域。按总重量计,其原料组分及重量百分比含量为:抛光砖废料60~80%,SiO25~25%,Na2CO35~12%3,H3BO36~10%。本发明将上述原料经过球磨、熔融、水淬、粉碎、二次球磨、干燥、过筛,制得环保陶瓷结合剂。本发明通过回收利用抛光砖废料,达到减少天然矿物原料的使用,减少制备过程的加热和熔融时间,能够很好实现固体废物资源化,起到保护环境和节约资源能源双重效果。

Description

一种环保陶瓷结合剂
技术领域
本发明涉及陶瓷结合剂技术领域,特别是涉及一种利用抛光砖废料制备的环保陶瓷结合剂。
背景技术
磨具结合剂是把磨料紧紧粘着于基体上的一种特殊物质,其主要作用是将众多细小的磨粒黏结在一起组成磨具,使磨具具有必要的强度、硬度和一定的形状,以适应各种不同的加工条件和加工要求。磨具在磨削时,要求磨粒在结合剂的支撑下可以对加工工件进行磨削,因此,结合剂要确保与基体的附着力,同时又要对磨料具有较好的把持力,以便能抵抗在磨削过程中对各种冲击力;而当磨粒磨钝时,又要保证磨粒能从结合剂中及时脱落,使磨具保持良好的磨削性,保证有较高的磨削比。
磨具制造通常使用的结合剂有陶瓷结合剂、树脂结合剂、橡胶结合剂、菱苦土结合剂和复合结合剂。陶瓷结合剂磨具具有耐热性好、热膨胀量小、磨削效率高、加工精度易控等优点。陶瓷结合剂的主要生产原料有粘土、长石、黄土、石英石、滑石、硼砂等传统矿物原料及适当的化学原料,按照磨料和用途的不同采用一定的原料组成比例和制造工艺来生产各类磨具陶瓷结合剂。生产陶瓷结合剂将大量消耗粘土、长石、石英等天然矿物,而这些天然矿产资源是不可再生的,对其的消耗将是不可逆的,对其过量的使用将会对地球资源和环境造成严重的破坏,不利于可持续发展战略的实施,因此,在生产陶瓷结合剂的过程中,如何节约高效地使用及如何减少使用这些不可再生的天然矿产资源是亟待解决的社会问题。
抛光砖是将通体砖表面打磨抛光而成的一种表面光亮的建筑装饰砖,因其耐磨、耐腐蚀、表面光洁、花色丰富而受到广大消费者的喜爱,产品有着较高的附加值,现已成为建筑陶瓷行业中的主流产品。在打磨抛光砖的过程中,砖体表面层以砖屑的形式被去除掉,会产生大量粒度很细的抛光砖废料。我国每年大约产生500万吨的抛光砖废料,使用填埋法处置抛光砖废料将会造成周边土地的板结,同时还将造成地下水的污染,直接导致环境的恶化,严重地威胁着人类的生存和健康,如何高效地处置和回收利用抛光砖废料则是另一个亟待解决的社会问题。
发明内容
为了能更好的回收利用抛光砖废料,减少陶瓷结合剂中天然矿物原料的使用,较好地解决固体废物污染和资源化问题,本发明提供了一种利用抛光砖废料制备的环保陶瓷结合剂。
本发明所采用的技术方案是:
一种环保陶瓷结合剂,按总重量计,其原料组分及重量百分比含量为:抛光砖废料60~80%, SiO25~25%, Na2CO3 5~12%3, H3BO36~10%。
优选:抛光砖废料60~75%, SiO210~25%, Na2CO36~12%, H3BO38~10%。
进一步优选:抛光砖废料60~70%, SiO215~25%, Na2CO36~12%, H3BO38~10%。
更优选:抛光砖废料 70%, SiO2 15%,Na2CO3 7%,H3BO3 8%。所述抛光砖废料成分含量范围:
SiO2 64-66%,Al2O3 18-19%,Fe2O3 0.8-1%,TiO2 1-2%,CaO 2-3%,MgO 4-5%,K2O2-3%,Na2O 2-3%,灼烧减量3-4%。
所述环保陶瓷结合剂的制备方法为 :以水为球磨介质,以重量百分比称取抛光砖废料60~80%, SiO25~25%, Na2CO35~12%, H3BO36~10%进行球磨混合,将混合料在1200-1300℃保温进行熔融,然后将熔料进行水淬。水淬后的物料,再经粉碎、球磨、干燥、过筛,制得环保陶瓷结合剂。
本发明配料组分对陶瓷结合剂性能的影响因素:抛光砖废料提供了陶瓷结合剂的主体成分;在此基础上又加入SiO2和Na2CO3,SiO2和Na2CO3的加入增加了陶瓷结合剂中的玻璃网络骨架,有助于提高陶瓷结合剂机械强度;H3BO3的加入则会降低陶瓷结合剂的耐火度,以适应于磨具的低温烧成。
与现有技术相比,本发明的有益效果是:
(1)可以使抛光砖废料得到有效的回收利用,减轻环境的污染。
(2)减少陶瓷结合剂制造过程中天然矿物原料的使用,有利于矿产资源的节约和高效使用。
(3)由于不同的矿物原料软化温度存在差异,使用传统矿物原料生产陶瓷结合剂时,需要较高的熔融温度和较长的熔融时间才能使熔体的化学组成趋于一致。而经过通体砖生产过程中的混料和烧结,抛光砖废料成分基本为均匀一致的硅酸盐,在后续的加热过程中,相应组分不需再经过高温反应生成硅酸盐相,在熔融的过程中,可促进熔体化学组成上的均匀性,可减少加热和熔融时间,起到节能的效果。
具体实施方式
为对本发明进行更好地说明,举实施例如下:
实施例1
按总重量计,以重量百分比称取抛光砖废料60%、SiO225%、Na2CO37%、H3BO38%进行球磨混合,以水为球磨介质,球磨时间为3h,球磨转速为400r/min。将混合浆料于110℃进行烘干,将烘干后的混合料在1300℃保温1h进行熔融,然后将熔料进行水淬。将水淬后的物料先粉碎再球磨10h,然后于110℃进行干燥,最后过200目筛制得环保陶瓷结合剂。经测试,环保陶瓷结合剂的耐火度为778℃,流动性为177%。
实施例2
按总重量计,以重量百分比称取抛光砖废料65%、SiO220%、Na2CO35%、H3BO310%进行球磨混合,以水为球磨介质,球磨时间为3h,球磨转速为400r/min。将混合浆料于110℃进行烘干,将烘干后的混合料在1200℃保温1h进行熔融,然后将熔料进行水淬。将水淬后的物料先粉碎再球磨10h,然后于110℃进行干燥,最后过200目筛制得环保陶瓷结合剂。经测试,环保陶瓷结合剂的耐火度为793℃,流动性为164%。
实施例3
按总重量计,以重量百分比称取抛光砖废料75%、SiO210%的Na2CO35%H3BO310%进行球磨混合,以水为球磨介质,球磨时间为3h,球磨转速为400r/min。将混合浆料于110℃进行烘干,将烘干后的混合料在1300℃保温1h进行熔融,然后将熔料进行水淬。将水淬后的物料先粉碎再球磨10h,然后于110℃进行干燥,最后过200目筛制得环保陶瓷结合剂。经测试,环保陶瓷结合剂的耐火度为813℃,流动性为153%。
实施例4
按总重量计,以重量百分比称取抛光砖废料70%、SiO215%、Na2CO37%、H3BO38%进行球磨混合,以水为球磨介质,球磨时间为3h,球磨转速为400r/min。将混合浆料于110℃进行烘干,将烘干后的混合料在1300℃保温1h进行熔融,然后将熔料进行水淬。将水淬后的物料先粉碎再球磨10h,然后于110℃进行干燥,最后过200目筛制得环保陶瓷结合剂。经测试,环保陶瓷结合剂的耐火度为820℃,流动性为149%。
与现有陶瓷结合剂性能指标对比:本发明环保陶瓷结合剂的耐火度低于黏土-长石-石英类、黏土-长石-石英-滑石类、黏土-长石-硼玻璃-滑石类、黏土-长石-硼玻璃低、中硼区的耐火度,而与黏土-长石-硼玻璃高硼区的耐火度相当。

Claims (4)

1.一种环保陶瓷结合剂,通过如下原料配比及方法制备而成,其特征在于,按总重量计,其原料组分及重量百分比含量为:抛光砖废料60~80%, SiO2 5~25%, Na2CO35~12%,H3BO36~10%;
所述抛光砖废料成分含量范围:
SiO2 64-66%,Al2O3 18-19%,Fe2O3 0.8-1%,TiO2 1-2%,CaO 2-3%,MgO 4-5%,K2O 2-3%,Na2O 2-3%,灼烧减量3-4%;
其制备方法为:按上述配比称取配料,以水为球磨介质,进行球磨混合,将混合料升温至1200-1300℃保温进行熔融,然后将熔料进行水淬;水淬后的物料,再经粉碎、球磨、干燥、过筛,制得环保陶瓷结合剂。
2.根据权利要求1所述的环保陶瓷结合剂,其特征在于,该环保陶瓷结合剂原料配比选:抛光砖废料60~75%, SiO210~25%, Na2CO36~12%, H3BO38~10%。
3.根据权利要求2所述的环保陶瓷结合剂,其特征在于,该环保陶瓷结合剂原料配比选:抛光砖废料60~70%, SiO215~25%, Na2CO36~12%, H3BO38~10%。
4.根据权利要求3所述的环保陶瓷结合剂,其特征在于,该环保陶瓷结合剂原料配比选:抛光砖废料 70%、SiO2 15%、Na2CO3 7%、H3BO3 8%。
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100412020C (zh) * 2006-12-01 2008-08-20 华南理工大学 利用陶瓷抛光砖废料制备硅酸盐水泥的方法
CN102826854A (zh) * 2012-08-31 2012-12-19 西安交通大学 一种陶瓷结合剂立方氮化硼磨具及其制造方法
CN103551971A (zh) * 2013-10-28 2014-02-05 博深工具股份有限公司 陶瓷磨块用陶瓷结合剂及其制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100412020C (zh) * 2006-12-01 2008-08-20 华南理工大学 利用陶瓷抛光砖废料制备硅酸盐水泥的方法
CN102826854A (zh) * 2012-08-31 2012-12-19 西安交通大学 一种陶瓷结合剂立方氮化硼磨具及其制造方法
CN103551971A (zh) * 2013-10-28 2014-02-05 博深工具股份有限公司 陶瓷磨块用陶瓷结合剂及其制备方法

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