Method for analyzing width of tuyere convolute area by using hearth sampling means
The invention relates to a method for analyzing the width of a tuyere rotation area by using a hearth sampling means, which comprises the following steps of: 1) sampling blast furnaces with different effective furnace capacities within the damping-down time of the blast furnaces; (2) sorting coke an...
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| creator | LIU BAOKUI XU TING LYU BAODONG WANG ZHENDONG HU DESHUN ZHU JIANWEI ZHANG LIGUO ZHANG WEI LI ZHONG WANG GUANGWEI LI ZHE'AN |
| description | The invention relates to a method for analyzing the width of a tuyere rotation area by using a hearth sampling means, which comprises the following steps of: 1) sampling blast furnaces with different effective furnace capacities within the damping-down time of the blast furnaces; (2) sorting coke and slag iron in different samples by adopting a magnetic attraction mode, and distinguishing the retention quantity of the coke and the slag iron at different sampling positions in the furnace; screening the coke to obtain the size fraction and the mass of the coke at different sampling positions, and obtaining the average particle size of the coke at the corresponding position; the length of a rotary area and the length of a dead stock column under the radius of the hearth; calculating the retention ratio of the coke and the slag iron in the rotation area and the dead stock column according to the retention quantity of the coke and the slag iron in the rotation area and the dead stock column; counting coke size fra |
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| subjects | CHEMISTRY MANUFACTURE OF IRON OR STEEL METALLURGY METALLURGY OF IRON |
| title | Method for analyzing width of tuyere convolute area by using hearth sampling means |
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