In order to comply with the requirements of new smelters built in warm countries or the upgrade of existing facilities, Fives' GTCs can feature a range of gas cooling solutions in addition to natural convection.
When temperatures reach 170 to 200°C at pot outlets (depending on pots amperage and ambient temperature), gases must be cooled down to secure the equipment (gaskets, gates, filtering fabrics) and to maintain a high HF adsorption efficiency by alumina.
Up to now, in every modern GTC, Fives includes air dilution technologies, which consist in mixing hot gases with a controlled volume of ambient air using modulating dampers to obtain the required gas cooling. However, if needed, Fives can also offer three other technologies to reach higher cooling levels. Any of these technologies can be coupled together to reach an optimal temperature reduction.
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