第4期
Composite Design of Low Thermal Conductivity Mullite Brick for Application to Cement Kiln
作者: YUAN Lin*,WANG Juntao,TONG Lijin, ZHAO Hongliang, LI Quanyou, CHEN Songlin
作者机构:Ruitai Materials Technology Co., Ltd, China Building Materials Academy
分类号:
卷号:25
期号 : 2016 年, 第4期
内容简介

In order to restrain cement kiln shell’s thermal loss and potential safety hazards, composite design was employed of working layer, thermal preservation layer and thermal insulation layer. Thermal preservation layer’s boundary and strain were analyzed and the overall thermal conductivity was calculated. The result shows that the sinusoidal curve boundary combination is adopted between the working layer and thermal preservation layer, and the slopeshape with angle of 135 degrees between the thermal preservation layer and thermal insulation layer could relieve the strain concentration. Comprehensive thermal conductivity of the composite mullite brick decreases from the working layer 2.74 W·m-1·K-1 to 1.54 W·m-1·K-1. When applying the composite bricks in cement kilns, the kiln shell temperature is from 50  to 70  lower than using normal bricks.

 

所需耐材币:5
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