The invention can rotate seal to insulate air in high temperature continuous calcinations, to calcine material insulated from air and under gas protection at high temperature.

• 本发明可以旋转动密封，解决了材料在高温连续煅烧时与空气隔绝，实现了材料可以与空气隔绝以及气氛保护的条件下高温连续煅烧。