

Introduction: The Importance of Yam Drying
Yam drying is a critical process to extend shelf life, preserve nutritional value, and meet market demands for high-quality products. Traditional drying methods, such as open-air sun drying or fossil fuel-powered systems, often suffer from inconsistent temperature control, high energy consumption, and susceptibility to contamination. Modern heat pump technology, like MeiYa’s energy-efficient solutions, overcomes these challenges by offering precise temperature management, reduced labor costs, and eco-friendly operation.
Why Choose MeiYa Heat Pump Dryers?
MeiYa air-source heat pump dryers are engineered to optimize yam drying efficiency while minimizing operational costs. Key advantages include:
- Energy Savings: Up to 70% lower energy consumption compared to conventional methods.
- Precision Control: Automated temperature and humidity adjustments ensure uniform drying.
- Sustainability: Zero emissions and reduced carbon footprint.
- Low Maintenance: Fully enclosed system with minimal manual intervention.
Yam Drying Process with MeiYa Heat Pump Dryers
The drying cycle is divided into three scientifically designed phases to maximize quality and efficiency:
1. Preheating Phase
- Temperature: Gradually increase to 50°C.
- Duration: 0.5–1.5 hours.
- Process: Yam slices are evenly placed on trays and loaded into the drying chamber. The system initiates heat circulation while maintaining stable humidity levels to prepare the yams for moisture removal.
2. Constant-Rate Drying & Dehumidification Phase
This phase is split into two sub-stages to preserve color and texture:
- High Humidity, Low Temperature (40–50°C):
- Duration: 3–3.5 hours.
- Focus: Gentle dehumidification to prevent discoloration. Sensors monitor surface moisture to activate targeted humidity extraction.
- Moderate Humidity, Medium Temperature (50–60°C):
- Adjustments: Fresh air intake is regulated based on real-time humidity data to balance drying speed and product integrity.
3. Final Shaping Phase (Low Humidity, High Temperature)
- Temperature: 60–70°C (not exceeding 75°C in later stages).
- Duration: 5–7 hours.
- Outcome: Rapid moisture removal achieves the ideal texture and crispness while locking in nutrients.
Traditional vs. MeiYa Heat Pump Drying
Traditional methods rely on unpredictable environmental conditions or inefficient fuel-based heating, leading to uneven drying, energy waste, and labor-intensive monitoring. MeiYa’s system eliminates these drawbacks through:
- Automation: Continuous adjustments via smart sensors.
- Consistency: Uniform airflow and heat distribution.
- Quality Assurance: Protection against over-drying or microbial growth.
Conclusion
MeiYa heat pump dryers redefine industrial yam processing by merging cutting-edge technology with sustainable practices. Whether for small-scale producers or large facilities, our solutions guarantee superior product quality, operational savings, and environmental stewardship.
Contact us today to customize your yam drying workflow:
📧 Email: [email protected]
👤 Contact: Ray Ren
📱 WhatsApp/WeChat/Mobile: +86 133 4676 7871
MeiYa – Innovating Efficiency, Preserving Nature.


MeiYa Heat Pump Dryer Machine
- No MOQ & Customization Unlimited
- Drying + Dehumidify + Cooling
- PLC + Touch Screen Control
- 7-10 Days Delivery Time
Parameter:
| Single dryer+drying chamber | ||||
| Model | Unit | MY-03RD | MY-06RD | MY-12RD |
| Power input | KW | 5.5 | 9.5 | 19.4 |
| power supply | V/PH/HZ | 380V/3PH,50/60HZ | 380V/3PH,50/60HZ | |
| 220V/1PH,50/60HZ | ||||
| Rated current | A | 9.6A(380V),22A(220V) | 17.0 | 30.0 |
| Heating capacity | KW | 10.5 | 21.0 | 42.0 |
| Cooling capacity | KW | 7.8 | 18.0 | 32.0 |
| Dehumidity | L/H | 12.0 | 25.0 | 50.0 |
| Max temperature | ℃ | ≤75 | ≤75 | ≤75 |
| Working condition | ℃ | 0-43 | 0-43 | 0-43 |
| Electric shock protection grade | 1 | 1 | 1 | |
| Max exhause pressure | M(P)a | 30 | 30 | 30 |
| Noise | d(B(A | 75 | 75 | 75 |
| Power consumption/H | KWH | 4.8 | 8.5 | 15.0 |
| Electric heater | KW | 3.0 | 6.0 | 12.0 |
| Blowing type | / | HORIZONTAL BLOWING TYPE | ||
| Demsnssion of dryer | MM | 1650*856*1280 | 1806*1065*1280 | 2089*1260*1580 |
| Weight | KG | 180 | 285 | 480 |
Buying Guiding:
Recommend drying machine+Drying chamber sizes
| Model | Description | Drying Capacity (Per Batch) | Drying Room Size (mm) | Trolleys Number | Trays Number |
| MY-01RD-16L | All-in-one Machine | Up to 100Kg | All-in-one | 16 | |
| MY-01RD-36L | All-in-one Machine | Up to 250Kg | All-in-one | 36 | |
| MY-03RD-60L | All-in-one Machine | Up to 400Kg | All-in-one | 60 | |
| MY-03RD | 1 Unit + 1 Drying Room | Up to 700Kg | 3200*2190*2200 | 8 | 128 |
| MY-06RD | 1 Unit + 1 Drying Room | Up to 1300Kg | 6150*2190*2200 | 14 | 224 |
| MY-12RD | 1 Unit + 1 Drying Room | Up to 2000Kg | 6350*3230*2200 | 20 | 320 |
| MY-15RD | 1 Unit + 1 Drying Room | Up to 2200Kg | 6350*3230*2200 | 20 | 320 |
| MY-03RD (Double) | 2 Units + 1 Drying Room | Up to 1700Kg | 7050*2190*2200 | 16 | 256 |
| MY-06RD (Double) | 2 Units + 1 Drying Room | Up to 2500Kg | 10100*2190*2200 | 24 | 384 |
| MY-12RD (Double) | 2 Units + 1 Drying Room | Up to 4400Kg | 11860*3230*2200 | 40 | 640 |
| MY-15RD (Double) | 2 Units + 1 Drying Room | Up to 5200Kg | 11860*3230*2200 | 40 | 640 |
Our Projects:



Our Factory:

Production Processing:

Drying Machine Components:


Standard Working Modes:
- Typically 3 modes available:
- Drying Only
- Rapid temperature rise; unable to discharge moist air
- Drying + Dehumidify
- Chamber temperature rises while discharging moist air
- Cooling
- Temperature can drop to 10°C (minimum)
- Important Note:
- If temperature control becomes unstable, switch to Temperature & Humidity Mode.
- Drying Only
Ray. Ren | Sales Manager
GUANGZHOU MEIYA ELECTRIC EQUIPMENT TECHNOLOGY CO., LTD.
📍 Add: No.217, 2nd Ruiyun Road, Xiuquan Street, Huadu District, Guangzhou, Guangdong, China
📞 Tel/WhatsApp/WeChat: +86 133 4676 7871
✉️ Email: [email protected]
🌐 Website: https://www.my-dryer.com









