Middings magnetic separator tailings classifying separation recovery system and middings magnetic separatortailings classifying separation recovery technology for dense medium coal preparation plant
A technology of magnetic separator and coal preparation plant, applied in the direction of swirl device, etc., can solve the problems of increasing difficulty in flotation operation, increasing construction and production costs of coal preparation plant, waste of non-renewable coal resources, etc., and reducing flotation The effect of agent consumption, reducing the number of flotation equipment, and improving floatability
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[0026] Example 1 system
[0027] The equipment used in this embodiment includes: a medium coal magnetic separator 1, a slime classification device 2, a coarse slime recovery device 3, and a flotation device 4. The slime classification device 2 of this embodiment uses the VOSB362060 type vibrating arc screen, the screen width is 3.8m, the screen size is 0.5mm, and the classification particle size is 0.25mm. The coarse slime dehydration recovery device 3 uses the LLL930×470B vertical scraper. Unloading coarse slime centrifugal dewatering machine, centrifugal strength 72G, dehydrated product moisture 7% to 11%, flotation device 4 uses XJM-S16 mechanical stirring flotation machine. See the connection structure figure 1 , The tailings outlet of China Coal Magnetic Separator 1 is connected to the inlet of the coal slime classification device 2 VOSB362060 vibrating arc screen, and the coal slime classification device 2 VOSB362060 vibrating arc screen is on the screen (coarse mate...
Example Embodiment
[0030] Example 2 Hierarchical separation and recovery process
[0031] The tailings outlet of China Coal Magnetic Separator 1 is connected to the inlet of the coal slime classification device 2 VOSB362060 vibrating arc screen, and the coal slime classification device 2 VOSB362060 vibrating arc screen over the screen (coarse materials) The outlet is connected to the inlet of coarse slime dewatering and recovery device 3 LLL930×470B vertical scraper unloading coarse slime centrifugal dewatering machine, and slime grading device 2 VOSB362060 type vibrating arc screen under the sieve (fine material) The outlet is connected to the inlet of the flotation device 4 XJM-S16 mechanical stirring flotation machine, and the coarse slime dehydration recovery device 3 LLL930×470B vertical scraper discharges the centrifugal liquid of the coarse slime centrifugal dewatering machine (coarse slime water ) The outlet is connected to the inlet of the flotation device 4 XJM-S16 mechanical stirring fl...
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