Multiinjector is unpowered, and burning furnace is fired to back mixing formula

The utility model discloses a multiinjector is unpowered, and burning furnace is fired to back mixing formula, by the furnace body, the furnace roof, the stove tail, diaphragm formula explosion -proof?equipment, gravity type explosion -proof?equipment, the mouth of releasing, automatic ignition device, high heating value gas burner, low heat value gas burner, the regenerator, the arched beam, heat preservation lining, the exhanst gas outlet constitutes, its furnace roof upper end sets up diaphragm formula explosion -proof?equipment and high energy automatic ignition device, radial two low heat value gas burner and two the high heating value gas burner of alternately evenly setting up in furnace body upper portion, the furnace body middle part sets up heat accumulation layer, thermal storage brick's arrangement adopts the large aperture direct current in the same direction as the mode of arranging in the heat accumulation layer, the support of thermal storage brick lower part is the arched beam that resistant