Method for extracting potassium chloride from high-silt-content high-grade feldspar salt mine
A technology of potassium halite and potassium chloride, applied in the direction of alkali metal chloride, etc., can solve problems such as difficulty in potassium chloride, achieve the effects of less investment in equipment, full use of resources, and improvement of concentrate quality
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[0043] The following is a preferred embodiment of the present invention, which is only used as an explanation but not a limitation on the application.
[0044] Crush the gray-green potash raw ore with a mud content of 20%-40% and a potassium chloride content of 10%-19% or its mixed ore with a blue-gray potash salt ore with a crusher to obtain a particle size of less than 40 Millimeters of ore. The crushed ore enters the rod mill or ball mill through the belt scale through the pendulum feeder. At the same time, the saturated mother liquor of potassium chloride and sodium chloride flowing down from the high tank is added at the entrance of the mill, and the slurry at the exit of the mill passes through water The rotary classifier or spiral classifier screens the size of the minerals, so that the minerals with a particle size control of less than 1 mm enter the next process, and the minerals with a particle size greater than 1 mm are returned to the rod mill or ball mill to continue...
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