The discharge of heavy particles plays an important role in the practical application of air dense medium fluidized bed continuous separation. In order to solve the problems of scraper transport and discharge in the process, a special vibration fluidized bed separator was developed by taking advantage of negative-angle transport coupled to vibration energy. Experiments on negative-angle optimization were investigated by using the vibration fluidized bed separator, and on the basis of that, the effect of the projectile strength and air volume flow rate on the transport characteristics of the gas-solid fluidized bed was examined. A model for calculating the transport velocity of heavy particles in the vibration fluidized bed was established. The results show that, the transport characteristics improve when negative-angle is between similar to 5.5 degrees and -7.5 degrees. Projectile strength, air volume flow rate and transport time are the main operating parameters, which all have an influence on the transport performance of the air dense medium fluidized bed. Transport velocity and efficiency increase and then level off with the increment of projectile strength and air volume flow rate. Taking account of the synergistic effects between separation and transport efficiency, such as the reliability and operation cost of vibration fluidized bed separator, the optimum operating parameters corresponding to the improved transport characteristics, are found with the projectile strength, air volume flow rate and transport time in the vicinity of 1.47, 140 m(3)/h and 40 s, respectively. The verification experiments show that the transport velocity by the calculation model is in good agreement with the experimental results.