本文综述了管式裂解炉蒸汽热裂解过程中，焦碳的形成及形态、抑制结焦及焦碳脱除技术、裂解炉烧焦过程研究进展。
Formation and shape of coke in coils of thermal cracking furnace, and advances in technologies of coking inhibitor, especially in decoking were reviewed in this paper.
结果表明：在高炉炉缸高温，富氧的环境中，废塑料能够得到迅速、充分的燃烧，可以部分代替焦碳和煤粉。
The results showed that waste plastics would combust rapidly and completely in the surroundings of high temperature and abundant oxygen, they could replace coke and coal partly in the blast furnace.
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