Natural gas heating reduction and steelmaking device

The utility model provides a natural gas heating reduction and steelmaking device. The device comprises a furnace body, a molten steel tundish, a crystallizer and a horizontal continuous casting machine, a tundish is arranged between the molten steel tundish and the crystallizer; a melting zone is arranged in the furnace body; wherein a plurality of gas inlets are uniformly formed in the bottom ofthe furnace body, the upper part of the furnace body is connected with a flue gas waste heat recovery device by virtue of a pipeline, the flue gas waste heat recovery device is provided with a flue gas filtering device, a cooling furnace top is arranged at the upper part of the furnace body, and a slag outlet is formed in the tail part of the furnace body. The utility model provides a natural gasheating reduction and steelmaking device which is simple in structure, used for one-step steelmaking, beneficial to environmental protection, high in efficiency and less in environmental pollution, and can be used for directl