意大利德兴工程公司同日本名古屋大同制钢公司联合推出用于线棒材退火的连续式辊底炉和快速循环式滚底炉。若同传统批量生产的辊底炉相比,新炉型具有以下优点:①利用计算机控制,自动进料和出料;②产品的球化处理达到100%;③产品的变异率2%;④生产周期缩短20%;⑤燃料消耗少40%; Italy Dexing Engineering Co., Ltd. and Japan’s Nagoya Tatsu Steel Co., Ltd. jointly launched the wire bar annealing continuous roller hearth furnace and fast-circulating roller hearth furnace. Compared with the traditional roller mill with mass production, the new type of furnace has the following advantages: ① computerized control, automatic feeding and discharging; ② 100% balling treatment of the product; ③ 2% variation rate of the product; ④ Shorten the production cycle by 20%; ⑤ 40% less fuel consumption;