多年来,我厂的燃煤锻造加热炉一直存在出料口冒烟喷火、燃耗大、升温慢、钢材氧化严重等缺点。后来,我们将其改造成一种燃煤无烟快速高温锻造加热炉,取得了较好的技术经济效果。将炉膛到燃烧室的一道大扁拱改成双曲式拱,而且靠燃烧室的一端较高;原来的翻火口 Over the years, I plant coal-fired forging furnace has been a spout smoke out of smoke, fuel consumption, slow heating, steel oxidation and other shortcomings. Later, we transformed it into a coal-fired smokeless high-temperature forging furnace with good technical and economic results. The furnace to the combustion chamber of a large flat arch into a curved arch, but also by the higher end of the combustion chamber; the original turn over the mouth