移动火床炉消烟炉拱的模拟试验研究  

Modeling Test Studies of Smoke Prevention Arches in Movable-Grate Furnaces.

作　　者：缪正清[1] 黄祥新[1] 

机构地区：[1]上海交通大学

出　　处：《动力工程》1996年第2期40-46,共7页Power Engineering

摘　　要：火床炉冒黑烟是一个混合不良问题，而混合的关键在于炉拱。对移动火床炉拱区气体混合特性进行了模拟试验研究，比较了不同拱型条件下拱区气体的混合性能，证明由Ｍ形前拱和高覆盖率后拱组成的拱组具有最佳的混合性能。最后，给出了一个典型的拱区混合模拟浓度场，以展示拱区气体混合全貌。Abstract The appearance of black smoke in grate furnaces is due to insufficient mixing,the crux of which lies in the furnace arch. A series of modeling tests, simulating gas mixing behavior in arch regions of grate furnaces, conducted for comparing the mixing behavior of various arch configrations, show that a combination of a M type front arch with a deep overlapping rear arch provide the best mixing condition. In its concluding part, the paper presents a typical simulated concentration field in the arch region to visualize the mixing behavior here.

关 键 词：火床炉 炉拱 消烟 模拟 燃煤锅炉 

分 类 号：TK229.6[动力工程及工程热物理—动力机械及工程]