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  • Common fluxes for pyrometallurgy and their effects

    There are two types of pyrometallurgical fluxes, one is an oxidizing flux and the other is a slag-forming flux. Commonly used oxidizing solvents are saltpeter and manganese dioxide, which function as bismuth metal (copper, lead, zinc, iron, etc.) in the charge and sulphur oxidation into oxide for slagging. Commonly used slag fluxes are borax, quartz, carbonic acid. Na and so on. Its role is to react with the oxides of base metals to form slag.

  • Flux used in blast sintering ingredients

    The flux particle size used in the blast sintering batch is less than 6 mm. The flux and quantity to be added shall be determined based on the blast furnace slag composition (ie slag type).

  • Introduction to aluminothermic production process


  • Flux refining of aluminum alloy melt

    This paper introduces the role of flux refining in the purification process of aluminum alloy melt, the classification and requirements of flux, the composition of common flux, the scope of application and the method of use.In the melting process of aluminum and aluminum alloys, hydrogen and oxidized inclusions are the main substances that contaminate the aluminum melt. Aluminum is very easy to form A1202 or secondary alumina with oxygen (Al2O and A10). At the same time, it is also very easy to absorb gas (H), which accounts for 70-90% of the total amount of gas in the aluminum melt, and the main defects in the cast aluminum alloy - pores and slag inclusions - are due to gas and oxidation remaining in the alloy. Caused by solid particles such as matter. Therefore, in order to obtain a high-quality melt, it is not only necessary to select a correct and reasonable smelting process, but also the refining and purifying treatment of the melt is important.