Compact service module and use thereof in a plant for producing aluminum by electrolysis

Pot tending machine for use in a plant for producing aluminum by igneous electrolysis comprising a carriage and a pot tending module comprising a frame able to be secured to the carriage and a rotary part mounted on said frame so as to pivot about a substantially vertical axis, said rotary part being equipped with at least one tool mounted on a telescopic arm of said rotary part, said pot tending module further comprising a first bearing structure mounted on said frame and designed to bear a hopper, said pot tending machine being characterized in that said first bearing structure and said hopper are included in said rotary part, said first bearing structure being designed to bear all of said rotary part and being mounted on said frame so as to pivot about said substantially vertical axis, and in that said rotary part comprises a second bearing structure, a fixed member of said telescopic arm being mounted on said second bearing structure interdependent with said rotary part through attachment means allowing pendular movements of said telescopic arm, said attachment means being fixed to an attachment part of said fixed member placed at a distance from the ends of said fixed member.

Pot tending assembly for a plant for producing aluminum by igneous electrolysis comprising an overhead traveling crane and at least one pot tending machine comprising a carriage and a pot tending module comprising a frame able to be secured to a carriage and a rotary part mounted on said frame so as to pivot about a substantially vertical axis, said rotary part being equipped with at least one tool mounted on a telescopic arm of said rotary part, said pot tending module further comprising a first bearing structure mounted on said frame and designed to bear a hopper. said pot tending assembly being characterized in that said first bearing structure and said hopper are included in said rotary part, said first bearing structure being designed to bear all of said rotary part and being mounted on said frame so as to pivot about said substantially vertical axis, and in that said rotary part comprises a second bearing structure, a fixed member of said telescopic arm being mounted on said second bearing structure interdependent with said rotary part through attachment means allowing pendular movements of said telescopic arm, said attachment means being fixed to an attachment part of said fixed member placed at a distance from the ends of said fixed member.

Method comprising using a pot tending assembly for work on electrolytic cells for the production of aluminum by igneous electrolysis, wherein the pot tending assembly comprises an overhead traveling crane and at least one pot tending machine comprising a carriage and a pot tending module comprising a frame able to be secured to a carriage and a rotary part mounted on said frame so as to pivot about a substantially vertical axis, said rotary part being equipped with at least one tool mounted on a telescopic arm of said rotary part, said pot tending module further comprising a first bearing structure mounted on said frame and designed to bear a hopper, said pot tending module being characterized in that said first bearing structure and said hopper are included in said rotary part, said first bearing structure being designed to bear all of said rotary part and being mounted on said frame so as to pivot about said substantially vertical axis, and in that said rotary part comprises a second bearing structure, a fixed member of said telescopic arm being mounted on said second bearing structure interdependent with said rotary part through attachment means allowing pendular movements of said telescopic arm, said attachment means being fixed to an attachment part of said fixed member placed at a distance from the ends of said fixed member.