Normal-temperature flotation method for high-calcium low-grade scheelite
A low-grade, scheelite technology, applied in the field of scheelite, can solve the problems of low grade of scheelite flotation concentrate at room temperature, high energy consumption for heating and selection, and high labor intensity of workers. Significant effects of ore feeding in warm operation, improvement of grade and recovery rate, energy saving and consumption reduction
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[0019] To make the object, technical solution and advantages of the present invention more clear, the following will be combined with the accompanying drawings of embodiments of the present invention will be further described in detail.
[0020] The present invention provides a high-calcium low-grade white tungsten ore normal temperature flotation method, having greatly improved the grade and recovery rate of tungsten concentrate obtained by white tungsten normal temperature flotation, reducing the amount of ore feed for selected heating operations, reducing the labor intensity of workers, while saving energy and reducing significant advantages, see Figure 1 , including feedstock;
[0021] Further, the specific process flow is:
[0022] S1: The fineness of white tungsten normal temperature flotation for ore grinding is -200 mesh, accounting for 70%, using one rough separation, two selections, three sweeping, and the sequence return process of closed-circuit ore;
[0023] S2: Afte...
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