





Industrial Heat Pump Food Dryer for Pecans, Cashews & Cocoa Beans | Energy-Saving Dehydration Technology
In the competitive world of industrial food processing, the MeiYa Industrial Heat Pump Food Dryer redefines efficiency and precision for dehydrating pecans, cashews, cocoa beans, and other high-value ingredients. Combining 75% energy-saving heat pump technology with intelligent automation, this CE-certified system empowers businesses to achieve premium product quality, reduce operational costs, and meet global sustainability standards.
Core Technology & Innovations
- Heat Pump-Driven Energy Efficiency
Utilizing closed-loop heat recovery and variable-frequency compressors, the dehydrator reduces energy consumption by 60–70% compared to traditional dryers. For pecans (initial moisture: 15–20%) and cashews (5–8% moisture), the system operates at 35–55°C, preserving unsaturated fats, antioxidants, and natural crunch. Cocoa beans benefit from staged drying profiles (40°C → 50°C → 45°C) to eliminate mold risk while retaining flavor compounds critical for premium chocolate production. - Multi-Product Adaptive Drying
• Nut-Specific Optimization: ◦ Pecans: Gentle airflow (10–15 m/s) prevents shell splitting and ensures uniform drying in 10–16 hours, ideal for snack-grade or baking applications.
◦ Cashews: Low-temperature cycles (40–50°C) lock in 90% of magnesium and zinc, enhancing nutritional value for health-focused markets.
• Cocoa Bean Precision: ◦ Humidity Control (15–30% RH): Prevents fermentation overrun and ensures optimal moisture removal (<7%) for chocolate liquor production.
• Hybrid Processing: Simultaneously dry nuts and cocoa beans using compartmentalized trays, maximizing facility utilization. - Hygienic & Sustainable Design
• 304 Stainless Steel Trays & Chambers: Compliant with HACCP, FDA, and CE standards, ensuring allergen-free processing and easy cleaning.
• Solar-Ready Integration: Optional solar thermal compatibility reduces grid dependency by 25–30%, qualifying for EU Green Deal subsidies.
Market Advantages
- Cost Efficiency & Rapid ROI
• Energy Savings: Consumes 6–8 kW power with a heating capacity of 20 kW, achieving ROI in 12–18 months for facilities processing 3+ tons daily.
• Zero-Waste Production: Convert imperfect nuts into protein-rich flours or cocoa bean husks into biofuel, reducing waste by 35%. - Global Compliance & Certifications
CE-certified with Halal, Kosher, and USDA Organic endorsements, the dryer meets stringent requirements for EU, North American, and Middle Eastern markets. - Smart Automation
• IoT-Enabled Controls: Monitor real-time humidity (15–70% RH) and temperature via a 7-inch PLC touchscreen, with cloud-based analytics for remote optimization.
• AI-Driven Predictive Maintenance: Alerts operators to filter replacements or coil cleaning needs, minimizing downtime by 40%.
Applications & Success Stories
- Premium Pecan Processing in the U.S.
A Georgia-based cooperative reduced drying time by 20% while retaining pecan crunchiness, securing contracts with gourmet snack brands. - Cocoa Bean Valorization in West Africa
A Ghanaian facility achieved 50% energy savings using MeiYa’s staged drying protocols, producing mold-free beans for luxury chocolate manufacturers. - Hybrid Nut & Cocoa Production in Brazil
A Brazilian plant dried cashews alongside cocoa beans in hybrid batches, cutting energy costs by 35% while meeting EU export standards.
Technical Specifications
• Power Supply: 380V/50Hz/60Hz
• Temperature Range: 30–70°C
• Capacity: 500 kg–5 tons/day (modular scalability)
• Certifications: CE, ISO22000, FDA, Halal
• Warranty: 12 months comprehensive coverage
Why Choose MeiYa?
• Proven Expertise: 12+ years in heat pump drying R&D, specializing in high-fat nuts and cocoa processing.
• Future-Ready Tech: Blockchain traceability upgrades for ESG compliance and carbon credit tracking.
• Global Support: 24/7 technical assistance and on-site training in 50+ countries.
Drive Sustainability & Profitability
From buttery pecans to aromatic cocoa beans, MeiYa’s heat pump dryer bridges premium quality, energy efficiency, and eco-conscious innovation.
Contact us today for a free nut drying trial or customized quote!

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 | 3160*2070*2200 | 5700*2170*2200 | 5810*3230*2200 |
Weight | KG | 180 | 285 | 480 |
Buying Guiding:
Recommend drying machine+Drying chamber sizes
ITEM | DESCRIPTION | PRODUCT CAPACITY | DRYING CHAMBER SIZE |
1 | One unit MY-03RD+Drying chamer | 300/batch | 4000*2000*2200 |
2 | One unit MY-06RD+Drying chamer | 600/batch | 6000*2800*2200 |
3 | One unit MY-12RD+Drying chamer | 1300/batch | 6000*3000*2200 |
4 | Two unit MY-03RD+Drying chamer | 1200/batch | 7000*2200*2200 |
5 | Two unit MY-06RD+Drying chamer | 1500/batch | 10000*2800*2200 |
6 | Two unit MY-12RD+Drying chamer | 3500/batch | 10000*3000*2200 |
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
Drying Machine Common Issues
- Q1: High Pressure Protection
- A1.1: Hot air circulation system failure
- AC contactor overload protection
- (Check phase loss/loose terminals/voltage instability)
- Partial fan failures
- (Verify switches configuration and burnt components)
- Mechanical fan damage
- (Replacement or removal required)
- AC contactor overload protection
- A1.2: Tray overloading phenomenon
- Optimal spacing: 8-10cm between trays
- (Causes airflow obstruction in drying chamber)
- Optimal spacing: 8-10cm between trays
- A1.3: Electronic expansion valve anomalies ▪ Automatic minimum aperture adjustment
- (Sensor calibration: Reposition or exchange Sensor 1/2) ▪ Valve body malfunction
- (Manual rotation intervention needed)
- (Sensor calibration: Reposition or exchange Sensor 1/2) ▪ Valve body malfunction
- A1.4: Chamber overheating condition
- (Temperature parameter adjustment solution)
- A1.5: Refrigerant specification error
- (High-temperature type gas recharge required)
- A1.1: Hot air circulation system failure
- Q2: Low Pressure Protection
- A2.1: Gas leakage scenario
- (Leak detection and repair protocol)
- A2.2: Extreme cold environment
- (Extended check intervals or R22/R417A refill)
- A2.3: Valve aperture deficiency
- (Expansion valve opening adjustment method)
- A2.1: Gas leakage scenario
- Q3: Exhaust Temperature Overload
- A3.1: Gas leakage recurrence
- (Refers to Q2.1 resolution process)
- A3.2: Valve operational failure
- (See A1.3.2 corrective action)
- A3.1: Gas leakage recurrence
- Q4: Sensor Malfunction
- A4.1: Temperature sensor defect
- (Replacement procedure guidelines)
- A4.1: Temperature sensor defect
- Q5: Moisture Evacuation Failure
- A5.1: Dehumidification fan damage
- A5.2: Control system malfunction
- A5.3: Power delivery irregularity
Our Services
A. Payment Service
- T/T (Telegraphic Transfer)
• Applicable to all transaction types. - L/C (Letter of Credit)
• Exclusively available for container orders. - Western Union
• Recommended for sample orders and spare parts procurement.
B. Technical Service
- Capacity Analysis & Model Recommendation
• We provide customized capacity calculations and optimal model selections based on operational requirements. - Professional Technical Support
• Comprehensive refrigeration and electronic engineering assistance for installation, debugging, and system operation. - Spare Parts & Post-Warranty Support
• Genuine spare parts and technical guidance provided during and after the warranty period. - Training Programs
• On-site or factory-based training courses available upon request.
C. After-Sales Service
- Technical Assistance
• Continuous support for installation, operation, and maintenance. - Warranty Policy
• 12-month warranty coverage with optional extension. - Cost-Effective Post-Warranty Support
• Spare parts and technical services offered at competitive rates after warranty expiration.