F.L. Smidth white cement plant, capacity 300 tons per day / 100,000 tons per year
New in mid-1960's, operated until 2008
Electrics are for 60 Hz
Raw Storage
Two limestone silos, 6,180 tons each
One sand silo, 3,090 tons
One clay silo, 3,090 tons
Two extra silos, 1,610 tons each
Two bucket elevators, 954 ft³/hr, 20 hp
Raw Grinding
One 12' x 21'6" F.L. Smidth raw mill: air swept ball mill, mill speed 16.6 rpm (74% of critical), Symetro gearbox drive (input 720 rpm, output 16.6 rpm), 770 hp 720 rpm 60 Hz 4160 V drive motor, complete with closed circuit ancillaries including cyclone and 14' Sturtevant air separator, 75 hp
One 12' x 19' F.L. Smidth raw mill: capacity 29 tph @ 80% passing -200 mesh, air swept ball mill, mill speed 16.6 rpm (74% of critical), Symetro gearbox drive (input 720 rpm, output 16.6 rpm), 770 hp 720 rpm 60 Hz 4160 V drive motor, complete with closed circuit ancillaries including 16' Raymond air separator, 75 hp
Kiln Department
Two feed silos, 1,600 tons each
One 9' x 253' F.L. Smidth Unax kiln (#1 kiln): clinker capacity 6.2 tph, 4 supports, slope 3/8" per foot, 60 hp main kiln drive (4 speed, 75 rph maximum), burner and fuel system for oil and gas firing
One 9' x 253' F.L. Smidth Unax kiln (#2 kiln): clinker capacity 6.0 tph, 4 supports, slope 1/4" per foot, 75 hp main kiln drive (4 speed, 90 rph maximum), burner and fuel system for oil and gas firing