The product is the replacement of the electric furnace bottom material products, is not shaped refractory material, construction, maintenance is simple, not limited by the size of the furnace, its life is several times to tens of times of the brick furnace bottom, in recent years has been widely used in AC, DC ordinary power, high power, high power electric furnace, is the current electric furnace smelting manufacturers ideal economic, stable furnace bottom material. This product is MgO-CaO-Fe2O3 series synthetic material, in strict accordance with the ** ferrous metallurgy industry standard YB/T101-1997 organization of production, the best quality, service users. Furnace bottom knotting material manufacturers for everyone to introduce

        Electric furnace bottom knotting operation technology

        1. Clean the bottom of the furnace before tying, and no debris shall remain.

        2, the knotting material evenly spread on the bottom of the furnace, the thickness of each layer is 120-150mm (the number of layers is determined by the thickness of the furnace bottom). The spreading thickness of the latter layer is 100mm.

        3. Cover waste woven bags or canvas layers on the surface of the knotting layer (to prevent dust during knotting).

        4, the use of vibrator, press or wood hammer and other tools for knotting, compaction, the compression rate should be 15-20%.

The above information is provided by the furnace bottom knotting material manufacturer

        5, after each layer of knotting, use the steel rod insertion method to check the knotting quality, the steel rod pressure of 10kg, the insertion depth should not exceed 30mm.

        6, slope knotting good use of steel die ring layer by layer knotting, if the conditions can also be used layered stacking knotting, but. The slope of large deposits should not exceed 40 degrees, and the height should be below the slag line.

        7. After the bottom and slope of the furnace are knotted, the waste steel plate and iron sheet are covered in time to prevent the heavy material impact when loading steel.

        8. The loading of the smelting furnace should be light material to avoid heavy material smashing the bottom and slope of the furnace.

        9, smelting furnace to prohibit blowing oxygen to help melt, stabilize the atmosphere in the furnace, smelting each time through the well to the end and feed before the power outage 10-15 minutes, in order to facilitate the removal of gas in the clinking material, when the temperature of molten steel reaches 1650℃, the holding time must be ≥30 minutes before the steel can be produced, the entire melting period should be maintained for more than 3 hours.

        10. When local pits appear after repeated use at the bottom of the furnace, hot repair method can be used. After the molten steel is discharged, the residue is completely removed with oxygen or compressed air, and the knotting material is suspended until the repair part falls, and then the material is compacted with the press hammer.

        11, when it is necessary to repair the furnace, the furnace body must be tilted to avoid the residual steel solidified at the bottom of the furnace, resulting in the removal of residual steel when the bottom of the furnace, the cold repair of the furnace slope should pay attention to cleaning the surface debris.

The above information is sorted out by the furnace bottom knotting material Anaijie manufacturer!