The utility model relates to the technical field of
coal washing, in particular to a lump
coal product crushing and recleaning process
system for a dense medium
coal preparation
plant, which comprises a desliming screen, a three-product dense medium
cyclone, a
clean coal arc-shaped screen, a middling coal arc-shaped screen, a
gangue arc-shaped screen, a
clean coal linear vibrating screen, a middling coal linear vibrating screen and a
gangue linear vibrating screen. An oversize outlet of the desliming screen is connected with an inlet of a three-product dense medium
cyclone, and a
clean coal outlet, a middling coal outlet and a
gangue outlet of the three-product dense medium
cyclone are connected with a clean coal
sieve bend, a middling coal
sieve bend and a gangue
sieve bend respectively; the clean coal arc-shaped screen, the middling coal arc-shaped screen and the gangue arc-shaped screen are connected with the clean coal linear vibrating screen, the middling coal linear vibrating screen and the gangue linear vibrating screen respectively, a block clean coal outlet and a block middling coal outlet on the clean coal linear vibrating screen and the middling coal linear vibrating screen are connected with the
crusher respectively, and the
crusher is connected with the desliming screen through a mixing
barrel and a mixing pump. Considerable
economic benefits are created, and
resource utilization maximization is achieved.