适用于谷物干燥的红外辐射陶瓷材料

吉林大学学报(工学版)

适用于谷物干燥的红外辐射陶瓷材料

董宏宇¹，杨光敏²，陈晓光¹，吴文福¹，徐强²，石晓光³，叶文³

1.吉林大学生物与农业工程学院，长春 130022； 2.吉林大学材料科学与工程学院，长春 130022；3.长春理工大学理学院，长春 130022

收稿日期:2006-07-16 修回日期:2006-09-26 出版日期:2007-07-01 发布日期:2007-07-01
通讯作者: 吴文福

Infrared-radiative ceramics materials for grain drying

Dong Hong-yu¹, Yang Guang-min², Chen Xiao-guang¹，Wu Wen-fu¹, Xu Qiang², Shi Xiao-guang³, Ye Wen³

1.College of Biological and Agricultural Engineering, Jilin University, Changchun 130022,China; 2.College of Materials Science and Engineering, Jilin University, Changchun 130022,China; 3.College of Physics and Chemistry, Chuangchun Science and Technology University, Changchun 130022,China

Received:2006-07-16 Revised:2006-09-26 Online:2007-07-01 Published:2007-07-01
Contact: Wu Wen-fu

摘要/Abstract

摘要： 以Al₂O₃、SiO₂为主体原料，Fe₂O₃ 、CuO 、Y₂O₃为辅助原料，经高温烧结合成了适用于谷物干燥的红外辐射陶瓷材料（莫来石及掺杂莫来石）。并测定了其在2.5～15 μm波段的红外辐射率在0.845～0.933之间。利用正交实验设计，以红外辐射率为指标进行了配方的优化设计，经过分析得到最佳质量分数的配方方案：主体原料：莫来石子90%（Al₂O₃与SiO₂的摩尔比为3∶2）；辅助原料：Fe₂O₃为2.5%、CuO 为5%、Y₂O₃为2.5%。

关键词: 无机非金属材料, 红外辐射陶瓷, 莫来石, 谷物干燥

Abstract:

Infrared-radiative ceramic materials for grain drying were prepared based on the characteristic infrared absorbance of grains. The sintering raw materials are mainly composed of Al₂O₃, SiO^₂, while Fe₂O₃, CuO and Y₂O₃ are used as doping materials. The infrared radiances of the ceramics（mullite,mullite doped）, which was measured by infrared radiator in the wave band range from 2.5 to 15 μm, are varied from 0.845 to 0.933. An optimized composition, which is obtained by using an orthogonal experimental design method, is as follows:mullite（Al₂O₃∶SiO₂=3∶2）, Fe₂O₃2.5%, CuO 5%, and Y₂O₃2.5%.

Key words: non-meatllic inorganic material, infrared-radiative ceramic materials, mullite, grain drying

中图分类号:

TQ174.75

董宏宇，杨光敏，陈晓光，吴文福，徐强，石晓光，叶文 . 适用于谷物干燥的红外辐射陶瓷材料[J]. 吉林大学学报(工学版), 2007, 37(04): 804-808.

Dong Hong-yu, Yang Guang-min, Chen Xiao-guang，Wu Wen-fu, Xu Qiang, Shi Xiao-guang, Ye Wen . Infrared-radiative ceramics materials for grain drying[J]. 吉林大学学报(工学版), 2007, 37(04): 804-808.

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