Blending Two Piles

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Coal is reclaimed from the storage area to SS2 or SS3, the two outbound silos.

Another grade of coal, may be simultaneously conveyed to the same silo (SS2) or to the other silo (SS3). SS2 is the only silo that can accommodate simultaneous loading from the storage area or the dumper.

The coals from both outbound silos are blended together using 4 vibrating feeders under each silo. Programmable Logic Controllers adjust flow rates from the two outbound silos depending on the blend rates requested by the customer and the actual readings from the electronic belt scales.

This computerized blending provides highly accurate and consistently homogeneous blending to help assure quality throughout the loading.