High-power ultrasonic transducer

A high-power ultrasonic transducer comprises an emission block, a plurality of piezoelectric ceramic ring-shaped ceramic chips, a reflection block, a prestress bolt and a gas guide cover. The emission block is arranged at one end of the gas guide cover; the prestressed bolt is partially positioned in the launching block, and the other part is positioned in the air guide cover; the reflecting block sleeves the prestressed bolt and is positioned at one end far away from the transmitting block; the plurality of piezoelectric ceramic ring-shaped ceramic chips are sleeved on the prestressed bolt and are positioned between the transmitting block and the reflecting block; a first connecting flange is arranged at the outer diameter position, close to the rear end face of the gas guide cover, of the reflection block, and a concave clamping groove is formed in the outer side face of the first connecting flange; the air guide cover is provided with an air guide cover shell, a second connecting flange is arranged at the