Fan-free combustion device matched with gas engineering stove for use

The utility model discloses a fan-free combustion device matched with a gas engineering stove for use. The fan-free combustion device comprises a combustor, the combustor is provided with a shell, a bottom plate is arranged at the bottom of the shell, a fire distributor is fixedly arranged on the upper portion of the shell, a combustion bottom bowl is fixedly installed on the lower portion of the fire distributor, and a heat insulation cotton felt is fixedly arranged on the lower portion of the combustion bottom bowl. The kindling material is provided with a main body, the main body is internally provided with a gas mixing pipe, the top of the main body is provided with a flow guide heat insulation radiation heat conduction cover, and the kindling material penetrates through the combustion bottom bowl, the heat insulation cotton felt, the heat insulation plate and the bottom plate; and the injection device is provided with an injection pipe, one end of the injection pipe is provided with a conical pipe, and t