Gas ignition device

The utility model discloses a gas ignition device, which comprises a stable combustion chamber, an air distribution cover and an air gun, the air distribution cover and the air gun are arranged in thestable combustion chamber, and the stable combustion chamber, the air distribution cover and the air gun are coaxially arranged. The air gun comprises a pull rod, an adjusting handle is arranged at the rear end of the pull rod and used for adjusting the gas flow, a gun head is arranged at the front end of the pull rod, and small air holes are further formed in the side wall, located in the air distribution cover, of the air gun at the rear portion of the gun head. A rotational flow ring is arranged at the front end of the air distribution cover, the rotational flow ring is supported on the inner wall of the stable combustion chamber and fixes the ignition cylinder, an air distribution disc is further arranged at the rear end of the ignition cylinder, an air gun hole is formed in the middle of the air distribution