Desulfurizing recycle method for high sulfur medium-tail coal
A tailing coal and high-sulfur technology, applied in the direction of combustion method, block/powder fuel preparation, combustion equipment, etc., can solve the problems of flotation reagent pollution, complicated process, waste of resources, etc., to improve comprehensive utilization rate, process Simple, sulfur reduction effect
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[0013] Embodiment: first use a crusher to crush the high-sulfur medium tailing coal into particles with a particle size not greater than 3mm; Under the action of the liquid flow, they all move forward, upward, and downward, and at the same time they are layered according to density. Sulfur concentrate has the fastest sinking speed due to its high density, and sinks to the bottom of the bed first; light materials (clean coal, sundries) have low density, sink slowly, and are located in the upper layer of the bed. The density of coal slime is generally lower than that of clean coal. During the separation process, coal slime floats on the liquid surface or is in a semi-suspended state, so that the sulfur concentrate at the bottom can be directly separated by a jig. Sulfur concentrate contains 32% to 34.78% sulfur. A sorting bed with a cutting device is installed on the jig machine, and the floating or semi-floating slime can be separated by installing the sorting bed with a cutti...
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