Novel high-pressure blowing device

The invention relates to the technical field of instrument and apparatus accessory devices, in particular to a novel high-pressure blowing device. The maximum bearing pressure can reach 1500 LB, the limitation of use is reduced, and potential safety hazards are reduced; additionally, the maximum air pressure is convenient to adjust, so that the use reliability is increased. The novel high-pressureblowing device comprises a float flowmeter, a first communicating pipe, a pressure regulator, a second communicating pipe, an adjusting screw, a needle type valve, a regulating block and a sealing plate, wherein the float flowmeter comprises a shell, a measuring pipe, a magnetic coupling shaft and a dial, a working cavity is formed in the shell, a pointer is arranged on one end of the magnetic coupling shaft, the pressure regulator comprises a body, a placing cavity is formed in the body, a diaphragm, a first spring, a pipeline, a valve ball, a connecting rod, a blocking piece, a second spring, another blocking piece