The Moisture Determination of the Ore Beneficiation Process

All the various factors affecting the ore beneficiation process can be classified as the content of production technical inspection. Such as crushing, grinding, and size check of grading equipment; determination of pulp density and fineness; the pulp pH determination and inspection and determination of flotation equipment inflated amount; jigger and table concentrator stroke, stroke frequency determination and adjustment; the thickener overflow and inspection and determination of filter water solids content; factory concentrates and determination of moisture in the fine concentrate, the inspection of the metal loss in the drying machine; the inspection of pharmaceutical preparation concentration and amount, etc.  Concentrator technical inspection department, as much as possible in accordance with the specific conditions and the scale of production, as well as other departments of the factory, from the actual needs, selecting certain items in the above, as the content of the day-to-day the production technical inspection work. The minimum requirements are: technical inspection department to provide all the data necessary to measure the fruits of production and calculating the metal equilibrium statistics. 

Whether ore, ore concentrates, or intermediate products contain different levels of moisture, not reflect their actual weight (dry weight) through directly weighing. Therefore, you should correctly calculate the ore and concentrate amount, and must measure the moisture content, but for the concentrates moisture determination has the significance of the quality control. From the viewpoint of product sales and smelting, it has certain requirements to mineral water.

The moisture of ore and mineral processing product, divided into surface water, pore water and combined water three categories, the first two is called free water. The specific method of drying method determination moisture is to take a certain amount of wet material in the oven or electric furnace plate, under the temperature of 105 ±2 ℃ drying to constant weight, and then calculate the material lost weight percentage, that is moisture content. It pointed out that material after drying, when cooling it to the room temperature, you should immediately weigh, should not be put long in air place, in case of suction moisture regain.

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