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分留塔蒸発部温度

2018-01-31View Original

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コークス精留塔の蒸発部は長時間400度、塔底温度は360度となっています。循環油熱交換器の管束が著しく閉塞しているため、熱交換効率が非常に悪いです。リバースタワーの温度は非常に高く、温度制御が困難です。逆塔の温度は270〜320度です。この温度では精留塔の底部でコークス化が深刻になるでしょうか?
Reply #22018-02-04
戻り塔温度を下げ、塔底温度を下げ、塔底油滞留時間を短縮します。

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