Dual-energy energy-saving steel rolling heating furnace

The utility model discloses a double-energy-source energy-saving steel rolling heating furnace which comprises a furnace body and furnace door limiting edges, the two sides of a furnace opening of thefurnace body are fixedly connected with the furnace door limiting edges, furnace door frames are fixedly connected to the positions, corresponding to the two furnace door limiting edges, above the furnace body, and a hydraulic cylinder is fixedly connected to the middle of the upper portion of each furnace door frame. The output end of the hydraulic cylinder penetrates through the furnace door frame and is fixedly connected with a furnace door, a furnace door ring is arranged on the outer side of the furnace door of the furnace body, a first heat insulation layer is arranged in the furnace body, an alternating coil layer is arranged in the first heat insulation layer, and a second heat insulation layer is arranged in the alternating coil layer. A plurality of gas nozzles are evenly arranged at the end, close to t