A multitude of separations are accomplished by distillation, but its most important and primary function in the refinery is its use for the separation of crude oil into component fractions.
The function and design way of TLL is briefly introduced, and safe interlock is realized in furnace of distillation device.
简单介绍了TLL的功能和设计方法，以及在蒸馏装置加热炉安全联锁中的应用。
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The process separation factor as objective function has been proposed, which can be used to judge conveniently the separating efficiency of binary batch distillation.