Tapping molten iron guiding device of induction furnace

Abstract

The invention discloses a tapping molten iron guiding device of an induction furnace. Two furnace framework upright columns are fixedly mounted on a furnace wall at the front of the induction furnace, and two transverse rods are mounted on each of the two furnace framework upright columns. Two guide tracks are longitudinally fixedly connected to ends of the transverse rods. Bearings are mounted on upper portions of both of the furnace framework upright columns. Two oscillating bars with oscillating bar elongated slots are fixedly mounted on shells of the bearings. Sliding flat plate vertical columns are movably sleeved with the oscillating bars by cylindrical pins. Hooks of a transitional furnace nozzle are movably sleeved in oblique side mounting holes on two sliding flat rack oblique sides. The sliding flat rack is connected with four rollers by two connecting plates. The four rollers are respectively embedded in grooves of the two guide tracks on two sides of the tapping molten iron guiding device. A refractory material layer is mounted on an inner ring of the transitional furnace nozzle and used as a tapping molten iron flow channel, the upper section of the transitional furnace nozzle is an oblique flow channel, an opening portion is arranged on the top of the oblique flow channel and positioned below an electric furnace nozzle, and the lower section of the transitional furnace nozzle is a vertical downward cylinder. When the tapping molten iron guiding device is used for smelting nodular cast iron, oxidation of nodulizer is slow, accordingly, burning loss of the nodulizer is reduced, oxidation and evaporation quantities of the nodulizer are stable, and nodulizing quality of the nodular cast iron is improved.

Description

technical field [0001] The invention provides a guide device, in particular a guide device for tapping molten iron in an induction electric furnace for melting molten iron in the foundry industry. The invention belongs to the technical field of melting molten iron in the foundry industry. Background technique [0002] The induction electric furnace used for melting molten iron in the foundry uses the trunnion installed in the middle of the furnace body or near the furnace nozzle as the center of rotation when the molten iron is tapped, and then uses the reduction box or hydraulic cylinder as power to make the electric furnace rotate at an angle. The outflow from the furnace nozzle enters the ladle. This is applicable to casting general iron ladle. However, due to special requirements when casting spheroidized iron ladles, the above-mentioned casting method is not applicable. Taking the ladle method as an example, when smelting nodular cast iron, the nodulizer should be pl...

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Problems solved by technology

[0004] At present, in view of the problems existing in the above-mentioned ladle method for casting molten iron, methods such as wire feeding method or capping method have been used in a small amount, but there are certain difficulties in popularization, so the ladle method is still the most widely used method

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