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燕化新建4台裂解炉已于日前投入运行。这4台裂解炉是:2台100kt/a级由美国Lummus公司和中石化联合开发的大型裂解炉,对流段采用二次注汽技术,底部烧嘴只能烧气,但原料适应性较强(石脑油、加重柴油、加氢尾油);2台60kt/a级裂解炉从KTI公司引进,对流段采用一次过热稀释蒸汽注汽技术,底部烧嘴既可烧油又可烧气,其中1台除可裂解液体原料外,还可裂解乙烷及丙烷;以
Yanhua newly built 4 cracking furnaces have been put into operation recently. The 4 cracking furnaces are: 2 large-scale cracking furnaces jointly developed by Lummus Corporation and Sinopec with 100kt/a grades. The secondary steam injection technology is used in the convection section, and the bottom burners can only be gas-fired, but the raw materials are more adaptable ( Naphtha, heavier diesel oil, hydrogenated tail gas); two 60kt/a cracking furnaces were introduced from KTI, and the overheated dilution steam injection technology was used in the convection section. The bottom burners can both burn oil and burn gas. In addition to a cleavable liquid feedstock, it can also crack ethane and propane;