The process flow of potassium feldspar beneficiation production line is explained in steps

Potassium feldspar is very abundant in China, and its reserves amount to about 7.914 billion tons. Therefore, the potassium feldspar beneficiation process is of great interest to many people. Potassium feldspar beneficiation process is divided into the following eight steps.

1. crushing: firstly, the large stones are crushed with jaw crusher;

2. ball milling: the crushed stones are ball milled with a ball mill;

3. Mud washing: 20-200 intent fine powder materials are sent into the spiral chute for separation and sorting to select the mud and sand;

4. sorting: send the materials that have been removed from the sediment by sorting into the shaking bed to wash out the iron trioxide;

5. selection: send the material with iron trioxide removed into 1024 type strong magnetic re-elector for selection, select iron and mica material, then send the material into 1018×2 type general magnetic separator, sorting again;

(Note: the current use of magnetic separator to remove iron from potassium feldspar is not suitable for all potassium feldspar mines, the current flotation technology has been widely used.)

6. purification: send the material through the re-election and general election into the high frequency vibrating screen selection, remove the material powder in the iron trioxide and iron tetraoxide, get potassium feldspar fine powder;

7. Acid washing fine powder: use sulfuric acid as the acid washing agent, according to the concentration of acid and the iron content of potassium feldspar fine powder for blending, in the case of sulfuric acid concentration is determined, the iron content of potassium feldspar fine powder with the participation of

In the case of sulfuric acid concentration is determined, the iron content of potassium feldspar fine powder is proportional to the amount of sulfuric acid attended, and the ferric trioxide and ferric tetraoxide are completely removed by acid washing, and the ferrous sulfate solution is separated to obtain potassium feldspar fine powder;

8. Sieving potassium feldspar concentrate powder: send the potassium feldspar concentrate powder into 20-200 mesh sieve, and the sieved material is the product with iron content less than 0.24%.

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