Thermal migration type industrial furnace

The invention discloses a thermal migration type industrial furnace which comprises a furnace body and a thermal migration flue. The interior of the furnace body sequentially comprises a radiation section, a convection section and a chimney from bottom to top, the radiation section comprises a combustion chamber and a radiation heat absorption assembly, the convection section comprises a plurality of convection heat absorption assemblies, and the convection heat absorption assemblies are sequentially arranged in the flowing direction of smoke in the convection section; a smoke inlet and a smoke outlet of the heat transfer flue are communicated with the interior of the furnace body, at least one convection heat absorption assembly is arranged between the smoke inlet and the smoke outlet in a crossing mode, and a flow adjusting valve is arranged on the heat transfer flue. According to the thermal migration type industrial furnace, the thermal loads of various process media in the same industrial furnace can be