| 摘要 |
FIELD: metallurgy.SUBSTANCE: invention refers to a ventilation method of an electrolysis unit for aluminium manufacture. The method involves the following: disposal of gases from an inner space of a cover of an electrolysis unit; cooling of at least some part of the above gases with formation of cold gases; and circulation of at least some part of the above cold gases to the inner space through one or more distributing devices.EFFECT: use of this invention allows increasing efficiency with regard to necessary capital investments and current production costs owing to using heat of recirculated gases Besides, the invention relates to an electrolysis unit.16 cl, 4 dwg |
