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ENVIRONMENTAL ASPECT OF INDUSTRIAL TECHNOLOGIES FOR RECYCLING OF FE - AND ZN- CONTAINING SLUDGE AND DUST

机译:用于含Fe - 锌污泥和灰尘的工业技术的环境方面

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摘要

We performed the analysis of bleed-through CO_2 emission during the recycling of BOF and BF sludges by means of their briquetting and using such briquettes in ironmaking in line with different process routes: using in blast furnace raw briquettes;using in blast furnace briquettes after prereduction them in a rotary hearth furnace or after prereduction them in a tube rotary kiln by Waeltz process;melting of raw briquettes in an OxyCup cupola. Minimal CO_2 emission can be achieved by using in a blast furnace raw briquettes or briquettes after prereduction them in a rotary hearth furnace.
机译:我们在再循环和BF污泥的回收过程中对渗透到CO_2发射进行了分析,并通过其压块并使用这种煤炭符合不同的过程路线:在高炉原料煤层中使用;在Prederceard后使用高炉煤球他们在旋转炉膛炉中或在瓦斯茨工艺中的管旋转窑中进行了逆流炉;在杂散圆顶的原料煤球熔化。通过在旋转炉膛炉中的高炉原料煤层或煤层中使用,可以实现最小的CO_2排放。

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