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辐射段是乙烯装置裂解炉的关键组成部分,烃类原料的裂解反应在辐射段炉管内发生,如何实现最佳的裂解反应以及获得适宜的裂解产物分布和较高的产品经济价值是研究人员关注的重点.本文介绍了辐射段炉管内裂解反应和辐射段传热的研究进展,综述了热裂解反应动力学模型和辐射段传热及燃烧模型,阐述了热裂解反应和辐射段传热的影响因素,并介绍了其在蒸汽裂解炉上的应用.
Radiation section is the key component of cracking furnace in ethylene plant. Cracking of hydrocarbon raw materials takes place in the tube of radiant section. It is of great concern to researchers how to achieve optimal cleavage reaction and to obtain proper pyrolysis product distribution and high product economic value This paper introduces the research progress of the pyrolysis reaction and radiative heat transfer in the radiant tube, summarizes the pyrolysis reaction kinetics model and the heat transfer and combustion model of the radiant segment, and expounds the influence of the pyrolysis reaction and the radiative heat transfer Factors, and describes its application in steam cracking furnace.