| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a continuous heating furnace which is provided with regenerative burners arranged on both side walls of an upper zone and a lower zone of a preheating area and a heating area, and roof burners or axial-flow burners in an upper zone of a soaking area, and which is capable of inhibiting black smoke from blowing out from clearances of an extracting door of the continuous heating furnace. <P>SOLUTION: The continuous heating furnace is provided with a charging door 21 for charging a billet in one side of the furnace body, an extracting door 22 for extracting the billet in another side, regenerative burners arranged on both side walls in a preheating area 5 and heating areas 6 and 7, roof burners 17a arranged in a ceiling portion of a soaking area 8, and regenerative burners arranged in both side walls of a lower zone 10 of the soaking area 8, wherein a partition wall 23 crossing the furnace body and having a height lower than a walking beam is erected on a hearth between the regenerative burner 27b located nearest the extraction side among the regenerative burners in the lower zone of the soaking area 8 and the regenerative burner 28b adjacent thereto. <P>COPYRIGHT: (C)2012,JPO&INPIT |
