Abstract: On the basis of studying the factors to affect the running condition of rotary kiln,the linear relation is set up between kiln load distribution and axis deviation;the stress and deformation of the main kiln parts is obtained;the principle of axis movement is made clear,the adjusting and controlling model of axis movement is established;the optimization method of running condition adjustment of rotary kiln is given out,the fuzzy optimization model of kiln adjustment parameters is set up;a new axis deviation survey method-zero displacement keyway-phase measure method is studied.Applying the theoretical harvest,the analysis and monitoring system of running condition of rotary kiln is developed.The system's performance is stable,the monitoring accuracy is high and the analytic result is right.

Key words: rotary kiln, running condition, monitoring system