Premium Heat Pump Food Dryer: High-Efficiency Walnut & Pistachio Dehydrator for Industrial Use
In the industrial food processing sector, the MeiYa Premium Heat Pump Food Dryer stands as a cutting-edge solution for dehydrating walnuts, pistachios, and other high-value nuts. Combining 75% energy-saving heat pump technology with precision controls, this CE-certified system empowers businesses to produce premium, nutrient-rich products while minimizing operational costs and environmental impact.
Core Technology & Innovations
- Heat Pump Efficiency & Sustainability
Utilizing closed-loop heat recovery and variable-frequency compressors, the dryer reduces energy consumption by 60–75% compared to traditional methods. For walnuts (initial moisture: 15–20%) and pistachios (5–10% moisture), the system operates at 35–55°C, preserving unsaturated fats, antioxidants, and natural crunch. The heat pump design also supports solar-ready integration, cutting grid dependency by 25–30% and qualifying for EU sustainability subsidies. - Precision Temperature & Humidity Control
• Multi-Stage Drying Protocols: Inspired by semiconductor-grade thermal management, the system employs adaptive cycles (e.g., 45°C → 50°C → 40°C) to prevent oil oxidation in walnuts and mold formation in pistachios.
• IoT-Enabled Sensors: Real-time humidity (15–70% RH) and temperature adjustments ensure uniform drying, critical for maintaining 90% of magnesium, vitamin E, and polyphenols. - Hygienic & Durable Design
• 304 Stainless Steel Trays & Chambers: Compliant with HACCP, FDA, and CE standards, ensuring allergen-free processing and easy cleaning.
• Automated CIP System: Reduces cross-contamination risks by 40%, ideal for switching between organic and conventional batches.
Market Advantages
- Cost Efficiency & Scalability
• Modular Capacity: Units scale from 500 kg to 5 tons/day, achieving ROI in 12–18 months for high-volume operations.
• Zero-Waste Production: Convert imperfect nuts into protein-rich flours or functional ingredients, reducing waste by 35% and aligning with circular economy principles. - Global Compliance & Certifications
CE-certified with Halal, Kosher, and USDA Organic endorsements, meeting stringent requirements for EU, Middle Eastern, and North American markets. - Smart Automation
• Cloud-Based Analytics: Monitor production via a 7-inch PLC touchscreen with remote access for real-time optimization.
• AI-Driven Predictive Maintenance: Alerts operators to filter replacements or coil cleaning needs, minimizing downtime.
Applications & Success Stories
- Walnut Valorization in California
A U.S. cooperative reduced drying time by 20% while retaining walnut crunchiness and omega-3 content, securing contracts with global health food brands. - Pistachio Processing in Iran
An Iranian facility achieved 50% energy savings using MeiYa’s low-temperature protocols, producing premium snack-grade pistachios for luxury markets. - Hybrid Nut Processing
A Turkish plant dried walnuts and pistachios in hybrid batches, optimizing energy use and 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 sustainable processing.
• Future-Ready Tech: Blockchain traceability upgrades for ESG compliance and carbon credit tracking.
• Global Support: 24/7 technical assistance and streamlined logistics from major ports.
Elevate Nut Processing with Precision & Sustainability
From antioxidant-rich walnuts to premium pistachios, MeiYa’s dehydrator bridges product quality, energy efficiency, and eco-conscious innovation.
Contact us today for a free drying trial or customized energy audit!
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.
