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    • 3. 发明公开
    • Process and apparatus for calcining coke
    • Verfahren und Vorrichtung zum Kalzinieren von Koks。
    • EP0032520A1
    • 1981-07-29
    • EP80100280.9
    • 1980-01-21
    • GREAT LAKES CARBON CORPORATION
    • Welter, Franklin HenryGuffey, Dean HarringtonBotting, Donald Athur
    • C10L9/08
    • C10L9/06C10L9/08
    • Raw petroleum coke or other carbonaceous matter containing a relatively large proportion of volatile matter is calcined in a rotary kiln in an oxygen-enriched atmosphere. The enriched atmosphere permits the oxidation of the hydrocarbon gases driven off as volatile matter during calcination to supply the total endothermic heat needed for volatilization of the lower molecular weight components and modification of the coke structure, thus enabling operation without the use of externally supplied fuel heat. Other advantages include greater uniformity of the temperature of the calcining coke bed, reduction of air pollution through lessening of hydrocarbon and particulate emissions, a decrease in the total volume of emissions, and improved desulfurization of the coke.
    • 在富氧气氛中的回转窑中煅烧含有相当大比例挥发物质的原料石油焦炭或其它含碳物质。 富集的气氛允许在煅烧期间作为挥发物质驱除的烃气体的氧化,以提供低分子量组分的挥发和焦炭结构的改性所需的全部吸热热,因此能够在不使用外部供应的燃料热的情况下进行操作 。 其他优点包括煅烧焦化床的温度均匀性更高,通过减少碳氢化合物和微粒排放减少空气污染,减少总排放量,改善焦炭脱硫。