This paper analyzes the failures of air operated double position butterfly valve used in cartypefurnace, and puts forward improving plan.
本文对台车炉气动双位蝶阀产生的故障进行了分析，并提出了改进方案。
2
Continuous cartypefurnace 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.
此炉子已经成功地用于铁精矿粉还原焙烧，所得到的海绵铁产品的金属化率大于92 %，全铁约90 %。
3
The paper introduces a continuous cartypefurnace for direct reduction of iron ore. Coal-containing iron ore pellets are laid on cars and carried to pass through furnace to be heated and reduced.