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مهندسی حرارتی کاربردی
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • cold experiments on ligament formation for blast furnace slag granulation

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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/01/01
    • تاریخ انتشار در تی پی بین: 1392/01/01
    • تعداد بازدید: 778
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     rotary cup atomization for molten slag granulation is an attractive alternative to water quenching. however, the mechanism of disintegration of molten slag must be assessed. in the present study, a glycerol/water mixture was substituted for molten slag, and the mechanism of ligament formation in a rotary cup was investigated using photos taken by a high-speed camera. the effects of the angular speed and inner depth of the rotary cup on ligament disintegration was investigated. the results showed that one state of disintegration may transform into another state as the angular speed of the rotary cup increases at a given liquid flow rate. during ligament formation, the number of ligaments increased with an increase in the angular speed of the rotary cup, and a decrease in the diameter of ligament and liquid drop was observed. moreover, the initial point of disintegration of the ligament moved to the lip of the rotary cup as the angular speed increased. an equation describing the relationship between the diameter of the liquid drop and various factors was used to predict the diameter of the liquid drop. a rotary cup with an inner depth of 30 mm was the best choice for granulation. the results of the present study will be useful for designing devices used in molten slag granulation.

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