Heat storage type burning device for waste liquid or sludge

The utility model discloses a heat storage type burning device for waste liquid or sludge. The heat storage type burning device comprises a furnace hearth formed by a heat-preservation furnace lining in a surrounding mode, two heat storage chambers communicated with the furnace hearth are arranged, heat storage padding is filled in the heat storage chambers which are communicated through a pipeline provided with a wind direction switching valve, and the furnace hearth is provided with an auxiliary fuel burner and a waste liquid atomization sprayer. The heat storage type burning device overcomes the defects that in the prior art, device operation cost is high, and a large amount of auxiliary fuel needs to be supplemented, and the heat storage type burning device has the advantages of being high in heat utilization rate and low in operation cost.