| 摘要 |
<p>Automatic regulation system for a distillation unit including a charging vessel, provided with heating means, surmounted by a distillation column overtopped by a condenser, a withdrawing system and recovery tanks, said system comprising an intermediate tank between the withdrawing system and the recovery tanks, means for controlling the liquid level in said intermediate tank and the discharge of liquid therefrom into the recovery tanks, valve means for applying at will a reduced pressure or the atmospheric pressure to the distillation unit and the intermediate tank and means for changing the recovery tanks in synchronization with the actuation of said valve means.</p> |
