Efficient improved thickener
Thickeners are used for dewatering slurries of either tailings or product. A thickener is a large circular tank that is used to settle out the solid material from the water in the feed slurry.It is widely used for dealing with slime, wastewater, waste residue in metallurgy, mine, coal, petrochemical industry, building materials, environmental protection department etc.
Features
Deaeration cell is provided to prevent solid particles from attaching to bubbles so that solid particles can fall like a parachute.
The mineral-feeding pipe is lower than the pulp surface, it prevents the air to be brought in while feeding.
Inner overflow weir is equipped to make the pulp flow on pre-designed route, avoiding short circuit, enlarging the sedimental area.
The peg linear is changed from oblique lines to curves. So the discharging underflow has higher density, and treatment capacity is enhanced.
Application
It is widely used for dealing with slime, wastewater, waste residue in metallurgy, mine, coal, petrochemical industry, building materials, environmental protection department etc.
Working principle
The materials are pumped into the feed-well, at the center of the thickener, which is close to the top. The thickened mass is moved toward the bottom center of the thickener by large rakes that rotate around the tank. Rotation speed is very slow, and drive torques can be high, especially for larger diameter thickeners. Drive torque is usually monitored continuously, as high densities could cause failure of the rakes and drive equipment. Rakes may have the capacity to be raised to reduce drive torque. The thickened slurry, also called thickener underflow, is pumped out of the bottom of the thickener.
Technical parameters
Model D of the tank (mm) Depth of the tank(mm) Sedimental area(m2) Capacity(t/d) Motor model Motor power (kw) Weight of the tank (kg) Weight(kg)
NZSG-2.5 2500 1850 4.9 5-10.8 Y90L-6 1.1 1000 2225
NZSG-3A 3000 1800 7 5-23.3 Y100L-6 1.5 1664 3168
NZSG-3 3600 10.2 5-28.5 2097 3640
NZSG-5 5000 2956 16 16-90 Y90L-4 5160 8031
NZSG-6 6000 28.3 98 5769 9200
NZSG-7 7000 3000 38.5 140 Y112M-6 2.2 8548 13361
NZSG-8 8000 3318 50.2 185 Y132S-6 3 12966 19289
NZSG-9 9000 3376 63 210 15304 21960
NZSG-12 12000 3600 113 370 25389 34823
NZSG-15 15000 4000 176 580 Y132(M2)-6 5.5 35800 58800
NZSG-18 18000 4400 255 960 YCT200-413 7.5 49694 65992
NZSG-20 20000 4400 315 1400 Y160(M2)-8 59365 81238
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