采用可调气氛高温抗压试验机研究焦炭的高温抗压强度。在高炉实际反应程度范围内，焦炭抗压强度与失碳率呈近似直线关系。失碳率对强度的影响随温度升高而减弱，抗压强度也随温度升高而降低。在此基础上，从理论上分析了高炉用焦炭的破碎机理。
The high temperature compression strength was researched using a high temperature compressive testing machine with adjustable atmosphere. Under the real condition of the reaction degrees in a blast furnace, the relationship between compression strength of coke and its carbon loss rate Lc is approximate linear. The influence of Lc on the strength is weakened with increasing the temperature. The compression strength will also decline with increasing the temperature. On this basis of the research, the fragmentized mechanism of coke in a blast furnace is analyzed.
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