400 kA RECOVERY ELECTROLYSER WITH HIGH ENERGY EFFICIENCY Russian patent published in 2012 - IPC C25C3/06 

FIELD: metallurgy.

SUBSTANCE: electrolyser contains anode carbon blocks, anode buses, a device of skin breakage and power supply, an anode lifting device, trusses and supports, an electrolyser cover system and waste gases removal system, cathode bus arrangement, cathode carbon blocks, cathode lining and electrolyser cathode casing, whereby the anode structure and the trestles are supported by a structure of tube grid trusses, the anode carbon block has eight steel nipples configured symmetrically, the anode unit has 24 twin anodic sets or 48 singular anodic sets, six alumina and two fluoride salt feeding points, an extensive flue gas collection and expelling system is installed between the horizontal cover plate and a feeding hopper, a device for sealing the anode rod through the suction with negative pressure, a lining structure developed on the basis of modelling of the electric field and thermal field that holds heat on the bottom, dissipates heat from the sides, and additionally expands at the end of the cathode layer, the cathode buses have an asymmetric configuration, and there are six points of the electricity supply along the long side of the electrolyser and grid trusses of rectangular tubes are used as a pipeline for the air supply over the electrolyser, and a muffler for the residual air from a feeding and skin breaking cylinder.

EFFECT: significant energy saving and reduced emission effect.

9 cl, 12 dwg