Discussions are made on the roller track and combustion system etc. of roller hearthtype heating furnace. Some opinions are presented.
对辊底式加热炉的炉底辊道、燃烧系统等有关问题进行分析讨论，提出一些看法。
2
Applications: the bogie hearth electric resistance furnace is a batch type furnace, it is used for normalizing, quenching, annealing and other heat treatments of large or medium metal parts.
用途：台车式电阻炉系周期作业式电炉，可供大中型金属机件和材料的正火、淬火退火等热处理和加热之用。
3
Continuous car typefurnace was used in iron ore reduction successfully. The contents of with rotary hearth furnace are as more than 92% metallization and about 90% total iron.