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为了解决平炉炉头供热火焰不易控制、燃耗高、炉顶寿命低等问题，研究采用了炉顶氧油枪。该氧油枪的结构为，沿炉长方向喷头油出孔采用双孔带张角，氧出孔采用月牙形带张角，枪头部材质为紫铜，用汽化水做为冷却介质，油雾化在枪尾。采用炉顶氧油枪后，综合能耗降低5～766kgce／t钢，炉顶烧损速度降低0．92mm／炉，前后墙没有烧损。该枪能适应大平炉生产的需要。
In order to solve the problem that the open hearth burner flame is difficult to control, the fuel consumption is high and the roof life is low, the research adopts the top oxygen gun. The structure of the oxygen gun is that the oil outlet of the nozzle along the length of the furnace adopts a double-hole belt opening angle, the oxygen outlet hole adopts the crescent belt opening angle, the gun head part is made of copper, the vaporized water is used as the cooling medium, In the gun tail. After the top oxygen gun, the overall energy consumption to reduce the 5 ~ 766kgce / t steel, roof burning rate reduced 0.92mm / furnace, before and after the wall is not burned. The gun can adapt to the needs of the Great Plains furnace production.