Two soft sensors, ethane concentration in top product and ethylene concentration in bottom byproduct, were developed using artificial neural network combined characteristics of ethylene production.

• 本文结合乙烯生产过程的特点,利用神经网络研制开发了乙烯装置中乙烯精馏塔塔顶乙烷和塔釜乙烯浓度软测量系统,该软测量系统能够比较准确地反映乙烯精馏塔塔顶乙烷和塔釜乙烯浓度。