本实用新型涉及一种纯氢竖炉还原装置,属于竖炉还原领域,解决现有技术氢气利用率低问题。纯氢竖炉还原装置包括自上而下依次连通设置的加热焙烧段、调温段、等压段和还原冷却段;加热焙烧段设置生球团入口、热烟气入口和烟气出口,调温段设置过热蒸汽入口,还原冷却段设置氢气入口和气体出口。氢气利用率高。
The utility model relates to a pure hydrogen shaft furnace reduction device, belonging to the field of shaft furnace reduction, which solves the problem of low hydrogen utilization rate in existing technologies. The pure hydrogen vertical furnace reduction device includes a heating and roasting section, a temperature regulating section, an isobaric section, and a reduction cooling section arranged sequentially from top to bottom; The heating and roasting section is equipped with a raw pellet inlet, a hot flue gas inlet, and a flue gas outlet. The temperature regulating section is equipped with a superheated steam inlet, and the reduction and cooling section is equipped with a hydrogen inlet and a gas outlet. High hydrogen utilization rate.