Measurement of coke micro-strength and its relation with coals property
Jun Shen
Abstract
Jun Shen
Abstract
Coke microstrength produced by 16 different rank coals were measured. Cokes breeze of produced by anthracites and weakcaking coals have high microstrength, other cokes microstrength decreases slightly as coal volatile increases. Increasing heat rate leads microstrength going down. The relation between coke microstrength and coals volatile and petrography can be deduced as follows: M=8735-045 Vdaf-382I,r=0658 1.No evident relation between coke true relative density and microstrength was found.
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Coke microstrength produced by 16 different rank coals were measured. Cokes breeze of produced by anthracites and weakcaking coals have high microstrength, other cokes microstrength decreases slightly as coal volatile increases. Increasing heat rate leads microstrength going down. The relation between coke microstrength and coals volatile and petrography can be deduced as follows: M=8735-045 Vdaf-382I,r=0658 1.No evident relation between coke true relative density and microstrength was found.
Key concepts: Caking, Coke, Coal, Coal rank, Mechanical strength, Chemistry, Materials science, Metallurgy