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对电炉内燃式煤氧枪助熔技术进行了研究。结果表明，内燃式煤氧枪的各项技术指标均优于外燃式煤氧枪，其电耗降低4OkWh／t，冶炼时间缩短18min。内燃式煤氧枪技术的应用对电炉进一步降低能耗有一定意义。
The electric furnace internal combustion coal oxygen gun fluxing technology was studied. The results show that the technical indexes of the internal combustion coal oxygen lance are all superior to the external combustion coal lance, the power consumption is reduced by 4OkWh / t and the smelting time is shortened by 18 minutes. The application of the internal combustion type coal gas lance technology has certain significance to further reduce the energy consumption of the electric furnace.