Adopting the method that the theory combines with experiment , solve the problem of rotate , seal , speed of assigning limit of the torsion , nozzle initially sequentially , nozzle assign and limit speed problem 采用理论与实验相结合的方法,依次解决旋转密封、起始旋转扭矩、喷嘴布置和限速问题,设计了自旋转喷头。