Solid-gas dual-fuel smoking oven

The invention belongs to the technical field of roaster, and particularly relates to a solid-gas dual-fuel type smoke roaster which comprises an oven, oven legs used for supporting the oven, a fuel conveying device used for conveying solid fuel into the oven and a gas combustion device used for combusting fuel gas, the fuel conveying device is arranged on one side of the oven, and the gas combustion device is arranged on the other side of the oven. The gas combustion device is arranged in the oven; the oven is characterized in that the gas combustion device comprises a gas guide pipe used for conveying fuel gas, a pressure reducing valve arranged at one end of the gas guide pipe, an outer sleeve arranged in the oven and an inner ignition pipe, the inner ignition pipe is arranged on the outer sleeve, and the inner ignition pipe supplies gas in a one-way mode. The internal ignition pipe is designed to be only capable of supplying gas in a one-way mode, sufficient combustion and insufficient combustion substance