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Electrolyzer cathode sections pre-heating device
The technology of achieving reliable electric contact between a cathode block and a current-conducting steel bar of electrolyzer cathode sections is confined in pre-heating of cathode block up to the temperature of (250-500)°С and successive liquid cast iron casting into a groove.
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Description
In 2014 RPC Magnetic hydrodynamics Ltd. in cooperation with RUS-Engineering Ltd. designed, manufactured and commissioned electrolyzer cathode sections pre-heating device at RUSAL Irkutsk Aluminium Smelter. This device is able to preheat 4 cathode sections simultaneously. At rated power of 600 kW such a device provides the productivity of 24-26 cathode section per shift, considering that cathode sections are pre-heated up to 350-410°C and current-conducting steel bars are pre-heated up to 430-550°C.
The exploitation of the equipment within two years confirmed high efficiency and reliability of implemented design solutions in electrical heating system, control system and power source.
The exploitation of the equipment within two years confirmed high efficiency and reliability of implemented design solutions in electrical heating system, control system and power source.