In the cyanidation gold extraction process, the oxygen dissolved in the pregnant solution is detrimental to zinc replacement. The solution is drawn into the top of the tower through a vacuum, then sprayed onto the packing layer via a spray nozzle. Under vacuum conditions, the gases dissolved in the liquid are expelled, achieving the deoxygenation purpose. Capable of reducing the oxygen content in the pregnant solution to below 0.5 g/m³, with a deoxygenation rate of over 95%.
| Model | Tower Dimensions (mm) | Working Pressure Vacuum Degree (MPa) | Working Temperature | Spraying Volume (m³/m²·h) | Weight (kg) |
| TY-830 | φ800×3000 | 0.09~0.096 | Normal Temperature | 1.56 | 747 |
| TY-1030 | φ1000×3000 | 956 | |||
| TY-1236 | φ1200×3600 | 1232 | |||
| TY-1536 | φ1500×3600 | 1632 | |||
| TY-1840 | φ1800×4000 | 2042 | |||
| TY-2040 | φ2000×4000 | 0.2 | 2 | 3900 | |
| TY-2440 | φ2400×4000 | 4524 |
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