It shows that SO2 emitts in dry and melting zone and resorbs in the wet zone,and with the moving of these zones the SO2 concentrations are variety.

• 二氧化硫在烧结过程中的干燥预热带和烧熔带析出,在润湿带又被吸收,随着这些带的移动和发展,导致了烧结烟气中二氧化硫浓度的差异。