半湿物料粘壁主要与喷雾干燥塔结构、雾化器结构、安装、操作以及热风在塔内的运动状态有关。物料熔点低于干燥温度时容易产生热熔性粘壁。
The wall sticking of half wet material is concerned to the structure, fixing and operation of spray drying tower and sprayer, the motion of hot air in tower.
通过比较半固态加压除气的试样在重熔前后的高度变化,建立了增强颗粒粒径与复合材料熔体表观粘度间的关系。
Comparing the height changes of composites before and after remelt which have been degassed with semisolid compression, the relation between apparent viscosity and reinforcement diameter was obtained.
结合铝合金半连续铸造的生产工艺,介绍了铸造铝熔体液面的控制措施以及每种控制措施的实践效果。
Aluminium metal level control measures and practice effects during casting are introduced in detail according to the processes of aluminium semi-continuous DC-casting.
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