Aimed at the production characters and problems which exist in gasoline fractionator in large-scale ethylene units,high strength three-pass tray technology is exploited.

• 针对大型乙烯装置汽油急冷生产特点和存在的问题,开发了大型乙烯装置汽油急冷高强度三溢流塔盘关键技术。