For the light hydrocarbon recovery unit at Qiulin, ice jam has occurred many Limes since A11-gust 22, 2002 and has bought many troubles to normal production.

• 摘要川中秋林轻烃回收装置在2002年8月22日试生产初期，多次发生冰堵现象，严重制约了装置的正常生产。