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加熱炉対流段入口温度が高い

2016-06-02View Original

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装置の予加氢触媒の予硫化を行っている間、予加氢用のフィード加熱炉の炉管壁温は150度台でしたが、対流部の入口温度は550度前後に達しました。煙道のバッフルは25%開放されており、過剰酸素濃度は4%前後です。ブロワーとエアエクストラクターは共に稼働中で、フィード量は60トン、燃料ガスの使用量は約850立方メートルです。対流部の入口温度が高くなる原因は何でしょうか
Reply #22016-06-02
炎が高すぎるため、炎の高さを調整して均一にし、炎の高さを下げます

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