Combustion-supporting bag structure

The utility model discloses a combustion-supporting bag structure, which relates to the technical field of coal combustion, and comprises a main body, a gas channel and a ventilation pipeline, an ignition piece is arranged below the main body, the gas channel is arranged inside the bottom end of the main body, and the ventilation pipeline is arranged in the middle of the bottom end of the main body. Charcoal is arranged above the main body, an end cover is arranged above the charcoal, a placement cavity is formed in the top end of the end cover, ventilation holes are formed in the positions, at the front end and the rear end of the placement cavity, of the top end of the end cover, and a stainless steel clamp is arranged above the end cover. Charcoal is helped to be combusted continuously and stably through generation of heat convection of the gas channels, combustion-supporting gas enters the main bodies through the ventilation pipelines, the charcoal in the main bodies can be ignited within three to five mi