CN106396701A - 高纯氧化锆板的生产方法 - Google Patents

高纯氧化锆板的生产方法 Download PDF

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CN106396701A
CN106396701A CN201610770197.6A CN201610770197A CN106396701A CN 106396701 A CN106396701 A CN 106396701A CN 201610770197 A CN201610770197 A CN 201610770197A CN 106396701 A CN106396701 A CN 106396701A
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王光强
刘学燕
杨前进
韩雍雍
高延峰
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Abstract

本发明属于耐火材料技术领域,具体涉及一种高纯氧化锆板的生产方法。以立方稳定氧化锆粉和氧化锆纤维为原料,以初始强度粘结剂和高温烧结强度粘结剂为复合结合剂,以去离子水为分散介质,制成混合料浆,经真空吸滤、高压成型、干燥、高温烧成制得高纯氧化锆板。本发明工艺简单,成本低,不需要复杂的设备,对环境无污染,耐温高可直接作为窑炉内衬使用。

Description

高纯氧化锆板的生产方法
技术领域
本发明属于耐火材料技术领域,具体涉及一种高纯氧化锆板的生产方法。
背景技术
目前耐火保温材料主要有氧化锆砖、氧化锆空心球砖等,比重大、生产工艺复杂,有粉尘污染,尺寸以标准砖为主230mm*114mm*65mm施工复杂,不能现场加工、导热系数大保温效果差。
耐火纤维板,主要以立方氧化锆纤维为主,通过针刺或真空吸虑制成纤维毡或纤维板,但全部用全纤维制成,强度低、使用温度低、不能直接作为窑炉内衬使用。
发明内容
本发明的目的是提供一种高纯氧化锆板的生产方法,工艺简单,成本低,不需要复杂的设备,对环境无污染。
本发明所述的高纯氧化锆板的生产方法是以立方稳定氧化锆粉和氧化锆纤维为原料,以初始强度粘结剂和高温烧结强度粘结剂为复合结合剂,以去离子水为分散介质,制成混合料浆,经真空吸滤、高压成型、干燥、高温烧成制得高纯氧化锆板。
所述的立方稳定氧化锆粉和氧化锆纤维的质量比为3-5:2-4。
所述的初始强度粘结剂的制备方法是按照纤维素与水质量比2:6-8,聚乙烯醇与水质量比0.1:100-150,淀粉与水质量比3:5-8,糊精与水质量比2:6-8,分别配制溶液后再混合,即得。
所述的纤维素、聚乙烯醇、淀粉与糊精的质量比为2:0.1:3:2。
所述的高温烧结强度粘结剂的制备方法是将氧化钇与氧化锆混匀后,溶于水中,加入强氧化剂,浓缩至pH小于3,即得。
所述的复合结合剂的加入量为立方稳定氧化锆粉和氧化锆纤维总质量的1-2%。
所述的初始强度粘结剂与高温烧结强度粘结剂的质量比为1:1。
本发明所述的高纯氧化锆板的生产方法,包括以下步骤:
(1)配制初始强度粘结剂:
按照纤维素与水质量比2:6-8,聚乙烯醇与水质量比0.1:100-150,淀粉与水质量比3:5-8,糊精与水质量比2:6-8,分别配制溶液后再混合,即得;
(2)配制高温烧结强度粘结剂:
将氧化钇与氧化锆混匀后,溶于水中,加入强氧化剂,浓缩至pH小于3,即得;
(3)配制混合溶液:
室温条件下,将立方稳定氧化锆粉和氧化锆纤维加入到去离子水中搅拌均匀,再加入初始强度粘结剂和高温烧结强度粘结剂,混合均匀得到混合料浆;
(4)混合料浆进入模具,经真空吸滤、高压成型、干燥、烧成制得高纯氧化锆板。
步骤(4)中所述的干燥温度为100-300℃。
步骤(4)中所述的烧成温度为1000-1700℃。
步骤(4)中所述的模具尺寸为1100mm*500mm*50mm。
所述的高温烧结强度粘结剂为锆溶胶。
本发明与现有技术相比,具有如下有益效果:
(1)工艺简单,成本低;
(2)以立方稳定氧化锆粉和氧化锆纤维为原料,以初始强度粘结剂和高温烧结强度粘结剂为复合结合剂,以去离子水为分散介质,在室温条件下混料一定时间得到混合料浆体;实现在水性状态下立方稳定氧化锆粉、氧化锆纤维,复合在纤维表面,形成共悬浮混合溶液;
(3)不需要复杂的设备,对环境无污染;
(4)制备纤维板砖尺寸大、可加工;
(5)耐温高可直接作为窑炉内衬使用。
具体实施方式
以下结合实施例对本发明做进一步描述。
实施例1
(1)配制初始强度粘结剂:
按照纤维素与水质量比2:7,聚乙烯醇与水质量比0.1:120,淀粉与水质量比3:7,糊精与水质量比2:7,纤维素、聚乙烯醇、淀粉与糊精的质量比为2:0.1:3:2,分别配制溶液后再混合,即得;
(2)配制高温烧结强度粘结剂:
将氧化钇与氧化锆混匀后,溶于水中,加入强氧化剂,浓缩至pH小于3,即得;
(3)配制混合溶液:
室温条件下,将立方稳定氧化锆粉和氧化锆纤维加入到去离子水中搅拌均匀,立方稳定氧化锆粉和氧化锆纤维的质量比为4:3;再加入初始强度粘结剂和高温烧结强度粘结剂,复合结合剂的加入量为立方稳定氧化锆粉和氧化锆纤维总质量的1.2%,初始强度粘结剂与高温烧结强度粘结剂的质量比为1:1,混合均匀得到混合料浆;
(4)混合料浆进入模具,经真空吸滤、高压成型、干燥、烧成制得高纯氧化锆板,干燥温度为200℃,烧成温度为1600℃。
实施例2
(1)配制初始强度粘结剂:
按照纤维素与水质量比2:8,聚乙烯醇与水质量比0.1:150,淀粉与水质量比3:8,糊精与水质量比2:8,纤维素、聚乙烯醇、淀粉与糊精的质量比为2:0.1:3:2,分别配制溶液后再混合,即得;
(2)配制高温烧结强度粘结剂:
将氧化钇与氧化锆混匀后,溶于水中,加入强氧化剂,浓缩至pH小于3,即得;
(3)配制混合溶液:
室温条件下,将立方稳定氧化锆粉和氧化锆纤维加入到去离子水中搅拌均匀,立方稳定氧化锆粉和氧化锆纤维的质量比为5:4;再加入初始强度粘结剂和高温烧结强度粘结剂,复合结合剂的加入量为立方稳定氧化锆粉和氧化锆纤维总质量的2%,初始强度粘结剂与高温烧结强度粘结剂的质量比为1:1,混合均匀得到混合料浆;
(4)混合料浆进入模具,经真空吸滤、高压成型、干燥、烧成制得高纯氧化锆板,干燥温度为300℃,烧成温度为1700℃。
实施例3
(1)配制初始强度粘结剂:
按照纤维素与水质量比2:6,聚乙烯醇与水质量比0.1:100,淀粉与水质量比3:5,糊精与水质量比2:6,纤维素、聚乙烯醇、淀粉与糊精的质量比为2:0.1:3:2,分别配制溶液后再混合,即得;
(2)配制高温烧结强度粘结剂:
将氧化钇与氧化锆混匀后,溶于水中,加入强氧化剂,浓缩至pH小于3,即得;
(3)配制混合溶液:
室温条件下,将立方稳定氧化锆粉和氧化锆纤维加入到去离子水中搅拌均匀,立方稳定氧化锆粉和氧化锆纤维的质量比为3:2;再加入初始强度粘结剂和高温烧结强度粘结剂,复合结合剂的加入量为立方稳定氧化锆粉和氧化锆纤维总质量的1%,初始强度粘结剂与高温烧结强度粘结剂的质量比为1:1,混合均匀得到混合料浆;
(4)混合料浆进入模具,经真空吸滤、高压成型、干燥、烧成制得高纯氧化锆板,干燥温度为100℃,烧成温度为1000℃。

Claims (10)

1.一种高纯氧化锆板的生产方法,其特征在于以立方稳定氧化锆粉和氧化锆纤维为原料,以初始强度粘结剂和高温烧结强度粘结剂为复合结合剂,以去离子水为分散介质,制成混合料浆,经真空吸滤、高压成型、干燥、高温烧成制得高纯氧化锆板。
2.根据权利要求1所述的高纯氧化锆板的生产方法,其特征在于所述的立方稳定氧化锆粉和氧化锆纤维的质量比为3-5:2-4。
3.根据权利要求1所述的高纯氧化锆板的生产方法,其特征在于所述的初始强度粘结剂的制备方法是按照纤维素与水质量比2:6-8,聚乙烯醇与水质量比0.1:100-150,淀粉与水质量比3:5-8,糊精与水质量比2:6-8,分别配制溶液后再混合,即得。
4.根据权利要求3所述的高纯氧化锆板的生产方法,其特征在于所述的纤维素、聚乙烯醇、淀粉与糊精的质量比为2:0.1:3:2。
5.根据权利要求1所述的高纯氧化锆板的生产方法,其特征在于所述的高温烧结强度粘结剂的制备方法是将氧化钇与氧化锆混匀后,溶于水中,加入强氧化剂,浓缩至pH小于3,即得。
6.根据权利要求1所述的高纯氧化锆板的生产方法,其特征在于所述的复合结合剂的加入量为立方稳定氧化锆粉和氧化锆纤维总质量的1-2%。
7.根据权利要求1所述的高纯氧化锆板的生产方法,其特征在于所述的初始强度粘结剂与高温烧结强度粘结剂的质量比为1:1。
8.根据权利要求1-7任一所述的高纯氧化锆板的生产方法,其特征在于包括以下步骤:
(1)配制初始强度粘结剂:
按照纤维素与水质量比2:6-8,聚乙烯醇与水质量比0.1:100-150,淀粉与水质量比3:5-8,糊精与水质量比2:6-8,分别配制溶液后再混合,即得;
(2)配制高温烧结强度粘结剂:
将氧化钇与氧化锆混匀后,溶于水中,加入强氧化剂,浓缩至pH小于3,即得;
(3)配制混合溶液:
室温条件下,将立方稳定氧化锆粉和氧化锆纤维加入到去离子水中搅拌均匀,再加入初始强度粘结剂和高温烧结强度粘结剂,混合均匀得到混合料浆;
(4)混合料浆进入模具,经真空吸滤、高压成型、干燥、烧成制得高纯氧化锆板。
9.根据权利要求8所述的高纯氧化锆板的生产方法,其特征在于步骤(4)中所述的干燥温度为100-300℃。
10.根据权利要求8所述的高纯氧化锆板的生产方法,其特征在于步骤(4)中所述的烧成温度为1000-1700℃。
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Cited By (3)

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CN109133955A (zh) * 2017-06-19 2019-01-04 济南瑰宝新材料有限公司 一种氧化锆纤维增韧氧化锆陶瓷材料及其制备方法
CN112759389A (zh) * 2021-01-25 2021-05-07 上海大学绍兴研究院 一种氧化锆纤维增强陶瓷基复合材料人工骨及其制备方法
CN112979331A (zh) * 2021-01-25 2021-06-18 上海大学绍兴研究院 一种氧化锆陶瓷及其制备方法和应用

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