Anchor agitators are specifically designed for . Unlike high-speed turbines (like Rushton turbines or pitched blade turbines) that rely on turbulence and velocity currents, anchor agitators operate in the laminar flow regime.
| Parameter | Symbol | Typical Range | Description | |-----------|--------|---------------|-------------| | Vessel diameter | D | 0.5 – 4 m | Inside diameter of tank | | Anchor diameter | d | 0.95 – 0.98 × D | Blade sweep diameter | | Blade height | h | 0.8 – 1.0 × H (liquid level) | Vertical blade length | | Blade width | w | 0.05 – 0.1 × d | Thickness of blade | | Clearance from wall | c | 0.005 – 0.05 × D | Gap between blade tip and vessel wall | | Shaft diameter | d_s | Torque-dependent | Agitator shaft size | anchor agitator design calculation xls
[ Re_m = \frac1250 \cdot 0.333 \cdot (1.44)^280 = \frac1250 \cdot 0.333 \cdot 2.073680 = \frac86480 \approx 10.8 ] Anchor agitators are specifically designed for
): Generally calculated as of the agitator diameter. By the end, you will understand not only
By the end, you will understand not only what to compute but why each calculation matters.
This is where many spreadsheet calculations fail. The agitator shaft must withstand two forces:
Power per volume: ( V \approx \pi \cdot (0.75)^2 \cdot 1.8 \approx 3.18 , \textm^3 ), ( P/V \approx 2.5 , \textkW/m^3 ) – slightly high for anchor; consider reducing RPM or blade width.