RECTIFICATION PLANT Russian patent published in 1997 - IPC

FIELD: periodic still rectification plants at low-capacity factories of alcoholic industry, chemical and other industries, where rectification processes are used. SUBSTANCE: the offered rectification plant has still connected with heater and rectification column assembled of separate sections - sheet steel cylinders. Column upper part is connected with reflux condenser by means of built-in steam branch pipe. Reflux condenser has branch pipes for intake and discharge of cooling water, line of evacuation of air and light fraction, and it is connected with cooler. Reflux condenser has body accommodating cellular heat-exchangers connected with cooling water inlets and outlets. Heat exchangers have external ribs to increase their outer surface. Ribs are inclined. After assembly, ribs form labyrinth channels. Upper part of steam branch pipe has vertical recesses receiving radial plates of material featuring high heat conduction. EFFECT: higher efficiency. 8 cl, 7 dwg