本文介绍了利用加热炉烟气余热对重油实现二次加热以改善燃烧状况的方案，装置和效果。
This paper introduces the plan, equipment and effects of utilizing waste heat of flue gases of reheating furnace for second heating of heavy oil to improve the combustion conditions.
也可以设置烟气余热回收系统来提高加热炉的热效率。
Flue gas can also beset up waste heat recovery system to increase the thermal efficiency of furnace.
研究结果表明，加热炉运行全过程中可燃气体含量较少且远低于烟气混合物爆炸极限，不存在爆炸危险；
The result shows that the content of combustible gas is far lower than the lower explosive limits and there is no the explosion danger in heating furnace.
研究结果表明，加热炉运行全过程中可燃气体含量较少且远低于烟气混合物爆炸极限，不存在爆炸危险；
The result shows that the content of combustible gas is far lower than the lower explosive limits and there is no the explosion danger in heating furnace.
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