Design and construction
- Direct-heated, forced air circulation in cross-flow.
- Double-walled MS body and door on an angle frame; fibreglass wool insulation.
- Trays 800×400×30 mm in MS, SS, aluminium, GI, FRP or polypropylene; trolleys hold up to 48 trays.
- Electric strip heaters (up to 250 °C), finned steam coils tested to 300 psi (working up to 100 °C), or both.
- Electronic temperature indicator; thermostat (electric) or thermostat-operated solenoid valve (steam).
- External control panel with switchgear interlocking heaters and fans.
- Options: chlorinated rubber or epoxy internal coating, spare trays and trolleys, steam traps and fittings.
Technical specifications
| Model | Outer dimensions W×D×H (mm) | Trays | Heater rating (kW) | Fans | Motors | HP | Trolleys |
|---|---|---|---|---|---|---|---|
| PTD-12 | 1470×605×925 | 12 | 3 | 1 | 1 | 0.5 | — |
| PTD-24 | 1470×960×925 | 24 | 6 | 2 | 1 | 0.5 | — |
| PTD-48 | 1925×1010×1925 | 48 | 9 | 1 | 1 | 1 | 1 |
| PTD-96 | 2940×1010×1925 | 96 | 18 | 2 | 2 | 1 | 2 |
| PTD-192 | 2940×1925×1925 | 192 | 36 | 4 | 2 | 1.5 | 4 |
Specifications and design are subject to change without notice for improvement. Capacity depends on material, feed size, moisture and required fineness.
Applications
Pharmaceutical, food processing, chemical, dyes and pigments, herbs and allied industries; small aqua feed lines use tray dryers for pellets.
Frequently Asked Questions
Can a tray dryer be heated by steam?
Yes — steam, electric or a combination of both.
