1. Before connecting the pipe orifice of each container, clean white cloth shall be used to tie the orifice to prevent grease and dirt from entering. ...
When the amount of processing air is reduced, the rising steam and reflux liquid in the upper column will be reduced, but the reflux ratio will not ch...
The plant operation cycle between two large heating is related to many factors. From an operational point of view, this mainly depends on when the air...