期刊
IRONMAKING & STEELMAKING
卷 46, 期 2, 页码 105-112出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/03019233.2017.1343412
关键词
Rectangular rotating chute; semi-circular rotating chute; burden distribution; blast furnace; two parallel hoppers; discrete element method
资金
- National Natural Science Foundation of China [61333002]
To investigate the effects of the cross-section shape of rotating chute on the burden distribution of stock surface, the motion of particles during the charging process of blast furnace using two different types of rotating chute was calculated by discrete element method. The calculation result shows that the particle velocity at the outlet of the rectangular rotating chute is smaller than that at the outlet of the semi-circular rotating chute, and the heap apex of stock surface is closer to the centre of blast furnace when the rectangular rotating chute is used. The deviation of burden total volume distribution in the circumferential direction of stock surface when the burden is charged by the rectangular rotating chute and the semi-circular rotating chute is 0.075 and 0.126, respectively. It can be concluded that the rectangular rotating chute is beneficial for the uniform circumferential burden distribution.
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