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首页> 外文会议>International Congress on the Science and Technology of Ironmaking >THE HIGH PRODUCTIVITY AND LOW COKE RATE OPERATION AT KAKOGAWA No.3BF
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THE HIGH PRODUCTIVITY AND LOW COKE RATE OPERATION AT KAKOGAWA No.3BF

机译：Kakogawa No.3BF的高生产率和低焦速率运行

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Recently, higher productivity operation of the blast furnace has been required to respond to the active steel market demand. Kakogawa No.3 Blast Furnace which has been aiming at high pulverized coal (PC) injection in order to decrease coke consumption, had to increase its productivity up to 2.3THM/d/m~3. To achieve both high productivity and a high coal injection/ low coke rate, it is important to ensure permeability and to decrease down-time due to tuyere damage. In Kakogawa No.3 BF, for the purpose of ensuring permeability, the burden material qualities were improved, especially the center charging coke quality. In addition, prevention of tuyere damage was realized by an appropriate change of tuyere structure and blast condition. As a result, productivity of 2.3 THM/d/m~3 with a coke rate lower than 335kg/THM could be achieved.
机译：最近，已经需要高炉的生产率运行来应对主动钢材市场需求。 Kakogawa No.3高炉瞄准高粉煤（PC）注射以降低焦炭消耗，不得不将其生产率提高至2.3m / d / m〜3。为实现高生产率和高煤喷射/低焦率，重要的是确保渗透性并降低由于风口损坏。在Kakogawa No.3 BF中，为了确保渗透性，改善了负担材料品质，尤其是中心充电焦质质量。此外，通过对风口结构和爆炸条件的适当变化来实现预防风口损坏。结果，可以实现具有低于335kg / thm的可焦速率的2.3 thm / d / m〜3的生产率。

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