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采用喷吹技术连续向熔池喷吹焦粒和提高供氧强度，在150t的电弧炉熔炼过程形成连续稳定、高度500～800mm的泡沫渣，遮蔽了电弧，降低了噪音。经过500炉的实验，其结果节电＞30kWh／t，供电时间缩短3～5．5min。
Continuous injection of coke pellets into the melt pool and improvement of the oxygen supply strength are carried out by means of injection technology. A continuous and stable foaming slag with a height of 500-800 mm is formed during the 150 t electric arc furnace smelting, shielding the arc and reducing the noise. After 500 furnace experiments, the results of saving> 30kWh / t, power supply shortened 3 ~ 5.5min.