MATEC Web Conf.
Volume 142, 2018International Conference on Materials Applications and Engineering 2017 (ICMAE2017)
|Number of page(s)||6|
|Section||Building Materials and Properties|
|Published online||08 January 2018|
Composite Design of Low Thermal Conductivity Mullite Brick for Application to Cement Kiln
Ruitai Materials Technology Co., Ltd., China Building Materials Academy, Beijing China, 100024
2 Zhengzhou Ruitai Materials Technology Co., Ltd, Zhengzhou Henan China, 452374
3 Yixing Refractories Co., Ltd., Yixing Jiangsu China, 214264
* Corresponding author: firstname.lastname@example.org
In order to restrain cement kiln shell’s thermal loss and potential safety hazard, composite design is employed of working layer, thermal-preservation layer and thermal insulation layer. Thermal-preservation layer’s boundary and strain is analyzed and overall thermal conductivity is calculated. The result shows that sinusoidal curve boundary combination between working layer and thermal-preservation layer, slopeshape with angle of 135 degrees between thermal-preservation layer and thermal insulation layer could relieve strain concentration. Composite mullite brick comprehensive thermal conductivity decreases from the working layer 2.74W·m-1·K-1 to 1.50W·m-1·K-1. When applied in cement kiln, temperature of kiln shell is lower 50°C to 70°C than using normal bricks.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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