Easy Fashion Metal Products Co., Ltd.
Easy Fashion Metal Products Co., Ltd Your Advanced Powder Metallurgy Expert
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Spray Drying Tower
1.Overview
Spray drying tower is mainly used for drying cemented carbide mixture.
Heating method: N2 heated by electric heated thermal oil
Nebulization method: Pressure spray nozzle
2.Specifications
| Type | GN300S |
| Rated voltage | 380 V 50 Hz, three-phase five-wire |
| Power | 280KW |
| Raw material | WC-Co slurry |
| Slurry medium | Alcohol (water≤10%) |
| Solid in slurry | 70%~85% |
| Alcohol recycling rate | ≥95% |
| Output | 300kg/h |
| Gas inlet temperature of drying tower | 190-230℃ |
| Gas outlet temperature of drying tower | 80-100℃ |
| Alcohol inlet temperature of cleaning tower | 16-20℃ |
| Gas outlet temperature of cleaning tower | 19-25℃ |
| Oxygen content in drying tower | ≤3% |
| N2 supply |
3-4bar (tower) Purity: 99.9% |
| N2 consumption |
60Nm3/h (O2 exhausting process) 7Nm3/h (other process) |
| Cooling water | 13-15℃,2-3 bar |
| Compressed air | 5-6 bar |
| Compressed air consumption | 5m3/h |
| Residual alcohol in RTP | 0.2-0.3% |
| Powder temperature | ≤25℃ |
| Material recycling rate |
≥98% ≥94% (Drying tower); ≥4% (Dust collecting system) |
3.Features
Spray Drying Tower is mainly composed of mixture inlet system, heating system, drying tower, dust collecting system, cleaning system, condensation system, gas system, material outlet system and electric control system.