某精馏塔全塔取热3402.52×104KJ/h,顶循环量35t/h,抽出温度176℃,焓值为432.63kJ/㎏,入塔温度为80℃,焓值为198.55KJ/㎏,试求顶循取热占全塔取热的百分比?
正确答案:解:Q循=W(H出-H入)=35000(432.63-198.55)=8192800
Q循/Q全=8192800/34025200=24.1%
Q循/Q全=8192800/34025200=24.1%
答案解析:有
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某精馏塔全塔取热3402.52×104KJ/h,顶循环量35t/h,抽出温度176℃,焓值为432.63kJ/㎏,入塔温度为80℃,焓值为198.55KJ/㎏,试求顶循取热占全塔取热的百分比?
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