The utility model provides a gas producer, gas producer includes: the casing with establish reacting chamber in the casing, the both ends open -ended cavity barrel that the reacting chamber encloses for membrane wall, the top of casing wear to be equipped with with a burner nozzle casing pipe and a plurality of the 2nd burner nozzle casing pipe of cavity barrel intercommunication, just a plurality of the 2nd burner nozzle casing pipe with a burner nozzle casing pipe establishes to enclosing for the center ring the top of casing, the utility model provides a gas producer has solved current gas producer to technology design condition adaptability is relatively poor and technology operation load regulating power is less technical problem.