Smelting electric furnace

Abstract

The invention relates to the technical field of miniature electric furnaces for casting material factory production, in particular to a smelting electric furnace. The smelting electric furnace comprises a furnace body (1) and a plurality of electrodes (13), wherein a feeding inlet (14) is formed in the top of the furnace body (1), a liquid outlet (3) and a plurality of electrode holes are formed in the side wall of the furnace body (1), the electrode holes are formed in the same height and located above the liquid outlet (3), the electrodes (13) are arranged to separately penetrate through theelectrode holes and obliquely extend downwards to form a high-temperature digestion area (15) in the furnace body (1), and the liquid outlet (3) is arranged to be higher than the high-temperature digestion area (15). According to the smelting electric furnace, the electrodes are arranged to extend obliquely downwards, so that the height difference between the electrode holes and the liquid outletis increased on the premise of maintaining the positional relationship between the high-temperature digestion area formed by the electrodes and the liquid outlet, the production process is optimized,and the operation safety is ensured.

Description

technical field [0001] The invention relates to the technical field of miniature electric furnaces in foundries, in particular to a smelting electric furnace. Background technique [0002] At present, micro electric furnaces in foundries often use electric arc furnaces, which mainly use the high temperature generated by electrode arcs to smelt ores and metals. The furnace body of the existing electric furnace usually adopts a square structure, and the structure of the molten pool in the furnace is also set to a square correspondingly. The furnace body includes a front side wall, a rear side wall, and a left side wall and a right The side wall, the electric furnace includes three electrodes (cylindrical structure) installed at the same height of the furnace body along the horizontal direction, which are named electrode A, electrode B and electrode C in turn, where electrode A and electrode B are inserted horizontally through the left and right side walls respectively The fur...

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the problem of high risk of smelting solution overflowing from the electrode hole caused by the small height difference between the center line of the liquid outlet and the center line of the electrode hole in the micro electric furnace of the foundry in the prior art, and provide An electric smelting furnace. The electric smelting furnace can increase the number of electrode holes and liquid outlets on the premise of maintaining the positional relationship between the high-temperature digestion zone formed by multiple electrodes and the liquid outlet by setting the electrodes to extend downwards. The height difference of the mouth is more secure

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