Abstract:Under the ultra-high alkalinity of the Panzhihua Iron and Steel sintering conditions, in order to strengthen the high- iron with low-silicon sintering, the on the effert of V-Ti magnetite concentrate sintering was studied by the use of single-factor orthogonal, and other means. Research shows that from a single factor, with the sinter quality improvement, sintering utilization factor became lower, the sinter strength index dropped; orthogonal test results show that adoptingthe principle of operation of "small water, middle-carbon, thick layer of slow-speed aircraft"is suitable under the ultra-high alkalinity of high-iron with low-silicon sintering.