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Conventional refractory lining for non-oxidising furnace of the galvanizing line
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Selection of a suitable lining for a heating furnace is restricted by several parameters like process conditions, health and safety regulations, requested availability, cost, etc.. The non-xoidising furnace (NOF) of a galvanising line, in general, is lined with insulation bricks or with ceramic fibre. Within Corus IJmuiden only bio soluble ceramic fibres are allowed. As bio soluble fibers for temperatures above 1260oC are not available on the market, the lining of the non-oxidising furnace, until 2006, consisted of insulating bricks.
This lining, however, has two main disadvantages; it has a relatively short life and therefore a negative effect on the availability and the lining is under suspicion of contributing from time to time to find a conventional refractory lining for the non-oxidising furnace of the galvanising line with an increased life time and with no negative effects on the steel strip.
 
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