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首页> 外文会议>International Congress on the Science and Technology of Ironmaking >High Productivity and High PC Ratio Operation at Nippon Steel, Tobata No.4BF
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High Productivity and High PC Ratio Operation at Nippon Steel, Tobata No.4BF

机译：Nippon Steel，Tobata No.4BF的高生产率和高PC比率操作

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Tobata No. 4 blast furnace, the only one blast furnace at Yawata works, has continued the full operation, which is the rate of iron tapping over 2.37t/d m~3. Some techniques have been performed for satisfying the high demand of high production and low-cokes ratio and high-pulverized coal ratio operation from viewpoints of energy savings and cost saving. We've improved the control of charging materials distribution and management of heat load at blast hearth for the purpose of maintaining the high Ore/Coke operation. In addition, the slag design and dry hearth conversion of the blast hearth have been improved under the conditions of high input AI2O3. As a result, under the circumstance whose raw materials and mineral fuels quality is worse, it has been achieved the operation of low-cokes ratio equals to 340s kg/t and high-pulverized coal ratio of 160kg/t.
机译：Tobata No. 4高炉，距离牦牛作品唯一一个高炉，已持续完全运行，这是铁攻丝速率超过2.37t / d m〜3。从节能和节能成本的观点来看，已经对满足高生产和低焦化比和高粉煤比运行的高需求进行了一些技术。我们改进了爆炸炉膛充电材料分布和热负荷管理的控制，以保持高矿石/焦化操作。此外，在高输入AI2O3的条件下，炉渣壁炉的炉渣设计和干炉炉转换已经得到改善。因此，在原材料和矿物燃料质量更差的情况下，已经实现了低焦化比率等于340s kg / t和高粉煤比为160kg / t的操作。

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