Horizontal continuous-charging scrap preheating device for electric arc steel smelting furnace

The utility model relates to a steel scrap preheating device for horizontal continuous feeding of steelmaking electric-arc furnace, comprising a trolley vibration charging device (2) for continuous feeding into the electric-arc furnace (1), a channel for scrap preheating (3), a pipeline (5) for exhausting flue gas, a device (6) for adjusting the flux of flue gas, a box-type hydraulic device (9) for feeding scrap, a device (10) for driving channel. The utility model is characterized in that the feeding device (9) is arranged above the tail of the channel and communicated with the channel, the pipeline (5) which is provided with the adjusting device (6) is communicated with a water cooled feed trough (4) in the channel, the channel driving device (10) is arranged on the back-end of the channel (3), the water cooled feed trough (4) has double sidewall. The high temperature flue gas in the furnace flows into the channel and through the water cooled feed trough (4) from top to bottom to preheat the steel scrap. The utility model has the advantages of simple structure, small occupy area, few investment, short construction period, high preheating temperature of steel scrap and convenience of operation. With the improvement of the present steel scrap preheating device for horizontal continuous feeding of steelmaking electric-arc furnace, 65 to 100kwh power will be saved when produce one ton steel.