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Fused zirconia corundum brick is also called AZS, which is abbreviation of zirconia corundum brick . The zirconia corundum is kind of white solid, made by pure aluminum oxide, 65% purity zirconium oxide and silicon dioxide 34% purity, cooled in the model after melting into the electric melting furnace. Its petrographic structure is consisted of zirconium corundum and plagioclase eutectoid and glass phase. From the phase of speaking, it is eutectoid phase zirconium corundum and oblique stone body. The glass phase is filled between their crystals. Fused zirconia corundum brick is mainly used in glass industry kiln. Wanhao is a manufacturer who is specialized in designing various kinds of furnace and making refractory products for electric furnace, ladle, tundish, blast furnace, AOD furnace, IF furnace, etc. Article Source: The application of fused zirconia corundum brick Company name: Wanhao Refractory Email:sales100@wanhaorefractory.com Website: http://www.wanhaor...

Corundum castable is a refractory product with Al2O3 content of more than 90% and corundum as its main crystal phase. It is compounded with proper dispersing agent, coagulant, stainless steel fiber and compounded by strict formula It has the characteristics of high temperature, good strength, wear resistance, erosion resistance, high thermal conductivity, thermal shock resistance, corrosion resistance, good sealing, quick setting, etc. Wanhao is a manufacturer who is specialized in designing various kinds of furnace and making refractory products for electric furnace, ladle, tundish, blast furnace, AOD furnace, IF furnace, etc. Company name: Wanhao Refractory Email:sales100@wanhaorefractory.com Website: http://www.wanhaorefractory.com/

The main factors affect the performance of magnesia-calcium brick include MgO / CaO ratio, chemical purity and density etc. The MgO / CaO ratio of magnesia-calcium brick can increase high temperature resistance, chemical erosion resistance of slag,high temperature corrosion resistance and hydration resistance. But it will decrease the magnesia-calcium brick ’s spalling resistance, resistance to the slag penetration and molten steel purification performance. Adding some additives in the production of magnesia-calcium brick can improve some performances of the magnesia-calcium brick . Add appropriate amount of ZrO2 can improve the performance of spalling resistance,  high temperature corrosion resistance and hydration resistance of the magnesia-calcium bricks . ZrO2 is called the “multi-functional” additives of magnesia-calcium brick . At abroad, eye bricks of AOD furnace generally use high-purity, high density sintered magnesia dolomite brick with 1% content of Zr...

1. Causes of Leakage (1) Molten steel temperature is too high, and with strong oxidation; (2) The quality of refractory materials or ladle masonry is not good; (3) The quality of purging-plug at the bottom of ladle is poor; (4) Ladle slide gate plate or nozzle is not properly installed. 2. Accident Handling (1) When leakage occurs, the BOF must be lifted immediately to stop tapping; (2) At the same time, the steel ladle transfer car shall be driven away to avoid damage. (3) Lift ladle to the accident treatment area; (4) Inform the relevant personnel around the operation area to pay attention to the leaked ladle, and avoid it in time. 3. Prevention of ladle leakage (1) Check the ladle carefully; (2) Quality acceptance of refractory materials ; (3) Check the masonry quality of ladle working layer; (4) Used ladle before re-use, the residual steel slag must be removed under red hot conditions, and the erosion must be checked in detail; (5) When the ladle ...

Magnesia carbon brick is made from high melting point alkaline oxide and high melting point carbon material that is difficult to be infiltrated by slag and various non-oxide additives are added. Magnesia carbon bricks is mainly used for converter, ac arc furnace, dc arc furnace lining, ladle slag line and so on. As a composite refractory , magnesia carbon brick has been used to effectively utilize the slag resistance of magnesia and high thermal conductivity and low expansibility of carbon. Wanhao is a manufacturer who is specialized in designing various kinds of furnace and making refractory products for electric furnace, ladle, tundish, blast furnace, AOD furnace, IF furnace, etc.

1. Blowing argon; Blowing argon starts from tapping until the ladle reaches the LF waiting position. 2. Ladle to LF waiting position; After the ladle reaches the LF waiting position, the argon blowing tube is turned on, and ensured the argon blowing amount. 3. Refining slag ; The purpose of making refining slag : desulfurization, absorption of inclusions in molten steel, prevention of secondary oxidation, etc. 4. Ladle sampling; After heating and treating the slag (the slag is basically whitened), measure the temperature, take the first sample, add the alloy, homogenize and adjust the temperature. 5. Feed the Ca-Si wire; The best feeding time is that the molten steel is in good composition, good fluidity and not breaking the slag layer. 6. Stop blowing argon, ladle hanging to continuous casting. After stirring for 5 minutes with argon, add covering agent. Wanhao is a manufacturer who is specialized in designing various kinds of furnace and making r...

Factors affecting the surface temperature of steel ladle shell are steel smelting temperature, environment temperature and thermal resistance. 1.Steel smelting temperature. The increase in the temperature of molten steel led to an increase in the temperature of the steel ladle shell, but not obvious. In the general steelmaking temperature range, the resulting steel ladle temperature changes within 10℃. 2.Ambient temperature. When the outside temperature decreases and the temperature of the steel shell decreases. Generally the outside temperature decreases by 10℃, and the temperature of the steel ladle shell decreases by 5℃. Therefore, improving the external conditions could observably decrease the temperature of steel ladle shell. 3.Thermal resistance. The thermal resistance increases, the temperature of the steel shell decreases significantly, and the energy consumption decreases. Wanhao is a manufacturer who is specialized in designing vario...