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2. 发明授权

US5588828A Vertical bright annealing furnace for continuous heat treatment of metal strips 失效
标题翻译：垂直光亮退火炉用于金属条的连续热处理
公开(公告)号：US5588828A
公开(公告)日：1996-12-31
申请号：US414232
申请日：1995-03-31
申请人： Masato Nagata , Jose Cornejo
发明人： Masato Nagata , Jose Cornejo
IPC分类号： C21D1/26 , C21D1/34 , C21D9/00 , C21D9/56 , C21D9/66 , F27B9/28
CPC分类号： C21D9/66 , C21D9/56 , C21D9/0043
摘要： A vertical bright-annealing furnace 1 for metal strips includes a muffle-type heating station 12, a refractory-type heating station 13. The refractory-type heating station 13 includes a shell 24 lined with a heat-insulating material 26 and a second heater 27. These two stations 12 and 13 are connected to one another by a flexible connecting unit 14 which is extensible in the longitudinal direction of the heating zone. A metal strip S conveyed in the furnace 1 is heated in the muffle-type heating station 12 and subsequently heated in the refractory-type heating station 13 up to a predetermined temperature, for example, about 1,100.degree. C. According to this constitution, a large-sized vertical annealing furnace may be constructed. Also, the period of durability of the muffle may be extended, the running expenses may be decreased, and metal strip having good brightness may be produced.
摘要翻译：用于金属条的垂直光亮退火炉1包括马弗炉式加热站12，耐火型加热站13.耐火型加热站13包括内衬有隔热材料26的外壳24和第二加热器这两个站12和13通过可在加热区的纵向方向上延伸的柔性连接单元14相互连接。在炉膛1中输送的金属带S在马弗炉型加热站12中被加热，随后在耐火型加热站13中被加热至预定温度，例如约1100℃。根据该结构，可以构造大型垂直退火炉。此外，马弗管的耐久性可以延长，可能降低运行费用，并且可能产生具有良好亮度的金属带。

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