Method for researching deterioration of smokeless lump coal in blast furnace
The invention aims to provide a method for researching deterioration of smokeless lump coal in a blast furnace, and belongs to the field of blast furnace ironmaking production. The method comprises the following steps: step 1, carrying out particle size screening, component analysis and physical and...
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| creator | TIAN PENG ZUO HAIBIN WANG JIAN LI YACHAO ZHANG RUIHONG SHI JINJI DU HAILONG ZHAO WEIYE SHI JUE SONG BIN |
| description | The invention aims to provide a method for researching deterioration of smokeless lump coal in a blast furnace, and belongs to the field of blast furnace ironmaking production. The method comprises the following steps: step 1, carrying out particle size screening, component analysis and physical and chemical property measurement on lump coal entering a blast furnace, and selecting the lump coal meeting conditions; step 2, in each batch of materials, mixing the lump coal and dry coke with ore according to the mass ratio of 1:100-1:20 to form a mixture; and step 3, loading the mixtures into a stock bin, and then distributing the mixtures into the blast furnace through a belt, a charging bucket and a chute. According to the invention, lump coal is added into ore layers, so that on the premise that stable and smooth operation of a blast furnace is guaranteed, the in-furnace dry coke ratio and the coal injection ratio are reduced, the blast furnace ironmaking production cost is reduced, and blast furnace productio |
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| language | chi ; eng |
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| subjects | CALCULATING CHEMISTRY COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING MANUFACTURE OF IRON OR STEEL METALLURGY METALLURGY OF IRON PHYSICS |
| title | Method for researching deterioration of smokeless lump coal in blast furnace |
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