German group Horn has completed a 300/tpd furnace installation at Turkish container glass manufacturing firm Gurallar Cam Ambalaj. Horn signed a contract in 2014 for the delivery of a complete 300/tpd regenerative end-fired furnace with three forehearths. The furnace is heated with three burners per port by means of natural gas and/or heavy fuel oil as standby. Due to the special batch composition, the melting end was equipped with barrier boosting and additional bottom electrode bricks for the retrofit of melting boosting. The control and measuring system was equipped with an additional oxygen-measuring device, which is integrated into the new control system. Gurallar followed Horn's recommendation and changed over to frequency converters for the fans at the furnace and throat cooling system, instead of the regularly used soft-starters. According to the calculations, the investment will pay off within a few days of operation since the cooling air fans operate only at the output actually required and thus, in the most efficient mode.
