Coking coal blending method using weakly-caking coking coal
A technology for coking coal and coking coal, which is applied in the field of coking coal blending involving weak cohesive coking coal, can solve the problems of poor wear resistance and high coal blending cost, and achieve the effects of increasing the dosage and reducing the coal blending cost.
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[0013] The present invention will be described in further detail below in conjunction with specific embodiments.
[0014] The coking coal blending method involving weak cohesive coking coal of the present invention includes the steps of mixing weak cohesive gas coal and lean lean coal with coking coal, fat coal and 1 / 3 coking coal. The results are shown in Table 1.
[0015] Table 1 Coal quality analysis results of a single type of coal
[0016]
[0017] The weight percentage of each coking coal is: weak viscosity coking coal: 30-40%; coking coal 1#: 25-40%; coking coal 2#: 0-20%; fat coal: 10-30%; 1 / 3 coking coal: 0-40%; and the proportion of coke coarse-grain mosaic structure with coal is more than 40%.
[0018] The specific examples of the coal blending scheme are shown in Table 2.
[0019] Table 2 Coal blending scheme
[0020]
[0021] The cokes obtained in Examples 1, 2, 3, and 4 were all prepared in a coke oven of more than 6 meters without adopting the coal hum...
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