Potash feldspar washing equipment configuration

Potassium feldspar selection equipment and process flow for flotation of potassium feldspar fine powder

Potash feldspar is rich in resources in China, but its iron content exceeds the standard. Therefore, the removal of iron from potash feldspar is the key to purification. Potassium feldspar raw material-hand selection-crushing-grinding-classification-dehydration-finished product, the process is suitable for low iron content and good quality raw materials. Pre-crusher is used for coarse crushing and fine crushing. In order to prevent the pollution of potassium feldspar by iron during processing, it is easy to use turbines, gravel mills or porcelain ball mills, ultra-fine lamination self-grinding machines, etc. As the grinding equipment, a spiral classifier is used to ensure the particle size of the product. The process is simple and the investment is small. The disadvantage of this process is that the iron content index in the product is difficult to meet the requirements of high-quality ceramic products.

In order to overcome the shortcomings of this process and increase the magnetic separation process, practice has proved that the iron removal effect of the wet high gradient magnetic separator is good, and the iron removal efficiency reaches 70% -90%.

Characteristics of potash feldspar

The hardness of potash feldspar fluctuates between 6-6.5, the specific gravity fluctuates between 2-2.5, it is brittle, has high compressive strength, and has strong chemical stability to acids. Potassium feldspar is mostly red in flesh, but also gray and white-brown. Sodium feldspar is white, gray and light yellow, and calcium feldspar is white or light gray.
Feldspar is an aluminosilicate mineral containing calcium, sodium, and potassium. It has many types, such as albite, anorthite, barium feldspar, barium ice feldspar, microclinic feldspar, orthoclase, Through feldspar and so on. They all have glass luster, various colors, colorless, white, yellow, pink, green, gray, black and so on.

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