Structure for heating dumper bottom plate through tail gas

The invention provides a structure for heating a dumper bottom plate through tail gas, and relates to the technical field of heating devices for dumpers. According to the technical scheme, a heating device which is used for heating a compartment bottom plate panel through tail gas of a dumper and is reasonable in arrangement is provided. The structure is characterized in that four longitudinal beams and multiple cross beams are respectively of a hollow structure and are arranged on the compartment bottom plate panel in a criss-cross mode, vent holes for allowing the longitudinal beams and the cross beams to be communicated are formed in staggered points of the four longitudinal beams and the cross beams at intervals, the two sides of the compartment bottom plate panel are provided with bottom plate vent holes communicated with the cross beams respectively, stock guide plates are arranged at the joints of the top of the compartment bottom plate panel and side compartment plates, gas flow of the bottom plate ve