| 摘要 |
The invention relates to a melting furnace (1) for producing a stone melt for the rock wool production, comprising a furnace main chamber (11) having a feed opening (3) for feeding the lumpy feedstock, a discharge opening (6) for discharging the stone melt and a first heating device (9) for heating the furnace main chamber (11). In said melting furnace, a second heating device (15) is arranged in the region of the discharge opening (6). |
