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首頁 > 技術與支持 > 玻璃精餾塔的物料衡算

玻璃精餾塔的物料衡算

點擊次數:1362 發布時間:2014-12-10

一、玻璃精餾塔物料衡算(塔頂、塔底產品量的確定)

對圖l0-20中的虛線圈作全塔物料衡算,可得

全塔輕組分物料街算

由于設計時 均已知,產品量 可以聯解上二式得到。

式中    ──進料量,kmol/h或kg/h;

        ──塔頂產品量,kmol/h或kg/h;

──塔底產品量,kmol/h或kg/h;

──進料中輕組分的組成,摩爾分率或質量分率;

──塔頂產品中輕組分的組成,摩爾分率或質量分率:

        ──塔底產品中輕組分的組成,摩爾分率或質量分率。

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