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The operation condition of spin-pack pre-heating stove is analyzed and malfunction of unevenness heating temperature, bearing damage, wheels out of machine are found.

通过对纺丝组件预热炉运行状况进行分析,找出了预热炉运行过程中出现的加热温度不匀、超高温不自停、风机振动剧烈导致轴承损坏、叶轮叶片飞脱等故障原因,通过制订并实施合理可行的技术改造方案,提高了组件预热炉运转率,延长了其使用周期。

Feasibility analysis on preheating winter incoming wind by using abandoned drift;

利用废旧巷道预热冬季入风流可行性分析

When the preheated pulverized coal is injected, its cooling effect on hot blast is alleviated and its combustion is accelerated,consequently its utilization ratio is increased.

煤粉预热喷吹有利于减轻喷煤对热风的冷却效应、加速煤粉的燃烧过程而提高煤粉利用率。