The performance of the self-excited oscillation pulsed jet breaker and the airlifting characteristics and the critical water velocity of the device were discussed.

• 介绍了水下开采提升用气举机电装置的工作原理,对自激振荡脉冲射流破碎器的性能、气举提升特性和临界水流速度进行了分析,并介绍了气举的应用情况。