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首页> 外文会议>TMS annual meeting exhibition;International symposium on high-temperature metallurgical processing >Influence of Hot Charge on Blast Furance Performance for Iron Making
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Influence of Hot Charge on Blast Furance Performance for Iron Making

机译：热装料对炼铁高炉性能的影响

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A two-dimensional gas-solid model has been developed for examination of the blast furnace (BF) performance under hot charge operation. Simulation conditions were obtained from the actual operation conditions of the BF with inner volume of 2500 m3 and molten iron output of 6250 ton hot metal (THM) per day. The simulation results indicate that hot charge operation could change the thermal state of the BF in the region above cohesive zone (CZ) and has little influence on the thermal state of CZ zone and the region below CZ; it could intensify both the indirect reduction of the ore and the gasification of the coke in the region above the CZ. The optimum temperature for hot charge operation is 750 K, under which, a coke rate reduction of 25 kg/THM could be obtained.
机译：已经开发了二维气固模型以检查热装操作下的高炉（BF）性能。从高炉的实际运行条件获得模拟条件，该高炉的内部容积为2500 m3，铁水的每日产量为6250吨铁水（THM）。仿真结果表明，热装操作可以改变高聚区（CZ）以上区域的高炉热状态，而对高聚区（CZ zone）和低碳区（CZ以下）的热态影响不大。它既可以增强矿石的间接还原作用，又可以增强CZ上方区域的焦炭气化作用。热装操作的最佳温度为750 K，在此温度下，可将焦炭速率降低25 kg / THM。

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