废玻璃和高岭土制备泡沫陶瓷的研究

doi:10.3969/j.issn.1001-1935.2025.03.010

耐火材料 ›› 2025, Vol. 59 ›› Issue (3): 234-238.DOI: 10.3969/j.issn.1001-1935.2025.03.010

废玻璃和高岭土制备泡沫陶瓷的研究

袁国栋^1,2), 何桂春^1,2), 江长松^1,2), 段奕龙^1,2), 付航^1,2), 张妤婕^1,2), 吴嘉慧^1,2)

1)江西省战略性金属矿产低碳加工与利用重点实验室江西赣州 341000
2)江西理工大学资源与环境工程学院江西赣州 341000

收稿日期:2024-09-09 出版日期:2025-06-15 发布日期:2025-06-16
通讯作者: 何桂春,女,1971年生,博士,教授。E-mail:heguichun@jxust.edu.cn
作者简介:袁国栋:男,2004年生,本科生。E-mail:2718161483@qq.com
基金资助:
国家重点研发计划项目(No.2023YFC2908200);江西省重点研发计划项目(20203BBGL73231)。

Preparation of foam ceramics from waste glass and kaolin

Yuan Guodong, He Guichun, Jiang Zhangsong, Duan Yilong, Fu Hang, Zhang Yujie, Wu Jiahui

First author’s address:Jiangxi Provincial Key Laboratory of Low-carbon Processing and Utilization of Strategic Metal Mineral Resources,Ganzhou 341000,Jiangxi,China

Received:2024-09-09 Online:2025-06-15 Published:2025-06-16

摘要/Abstract

摘要： 为制备低成本兼具低吸水率和高抗压强度的泡沫陶瓷,以废玻璃为主要原料,高岭土为辅助原料,SiC为发泡剂,经混料、加压、烧结制备泡沫陶瓷。研究保温时间(0、20、40、60和80 min)、SiC掺量(加入质量分数分别为0.1%、0.3%、0.5%、0.7%和0.9%)和热处理温度(1 120、1 140、1 160、1 180和1 200 ℃)对泡沫陶瓷表观形貌、体积密度、吸水率和抗压强度的影响。结果表明:1)随着热处理温度和保温时间的不断增加,泡沫陶瓷的平均直径和吸水率先增大后减小,体积密度和抗压强度则是先减小后增大;2)增加SiC掺量会导致平均直径和吸水率增加,体积密度和抗压强度降低;3)当热处理温度为1 140 ℃、保温时间为40 min、SiC掺量为0.5%(w)时,试样的综合性能最佳,其体积密度为0.86 g·cm^-3,吸水率为0.5%,抗压强度为13.6 MPa。

关键词: 废玻璃, 高岭土, 泡沫陶瓷, 抗压强度, 吸水率

Abstract: In order to prepare low-cost ceramic foams with low water absorption and high compressive strength,waste glass was used as the main raw material,kaolin as the auxiliary raw material,and SiC as the foaming agent to prepare foam ceramics through mixing,pressing and sintering.The effects of holding times (0,20,40,60 and 80 min),SiC extra-additions (0.1%,0.3%,0.5%,0.7% and 0.9%,by mass) and heat treatment temperatures (1 120,1 140,1 160,1 180 and 1 200 ℃) on the apparent morphology,bulk density,water absorption,and compressive strength of the foam ceramics were investigated.The results show that:(1)with the heat treatment temperature rising and the holding time prolonging,the average diameter and water absorption of the foam ceramics first increase and then decrease,while the bulk density and the compressive strength decrease first and then increase;(2)increasing the SiC extra-addition will increase the average diameter and water absorption of the sample,and decrease the bulk density and compressive strength;(3)when the heat treatment temperature is 1 140 ℃,the holding time is 40 min,and the SiC extra-addition is 0.5%,the sample exhibits the best comprehensive performance,with the bulk density of 0.86 g·cm^-3,water absorption of 0.5%,and compressive strength of 13.6 MPa.

Key words: waste glass, kaolin, foam ceramics, compressive strength, water absorption

中图分类号:

TU55

袁国栋, 何桂春, 江长松, 段奕龙, 付航, 张妤婕, 吴嘉慧. 废玻璃和高岭土制备泡沫陶瓷的研究[J]. 耐火材料, 2025, 59(3): 234-238.

Yuan Guodong, He Guichun, Jiang Zhangsong, Duan Yilong, Fu Hang, Zhang Yujie, Wu Jiahui. Preparation of foam ceramics from waste glass and kaolin[J]. Refractories, 2025, 59(3): 234-238.

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废玻璃和高岭土制备泡沫陶瓷的研究

Preparation of foam ceramics from waste glass and kaolin

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