





Commercial-Grade Longan & Pecan Dehydrator with Hot Air Recycling System – Industrial Food Dryer
In the rapidly evolving food processing sector, the MeiYa Commercial-Grade Dehydrator sets a new benchmark for energy efficiency and product quality, specifically designed for high-value commodities like longan (longyan fruit) and pecans. Combining a hot air recycling system with industrial-grade precision, this dryer addresses the unique challenges of preserving delicate textures, nutrients, and flavors while meeting global sustainability standards.
Core Technology & Innovations
- Hot Air Recycling & Energy Efficiency
MeiYa’s closed-loop heat recovery system recycles up to 85% of waste heat, reducing energy consumption by 60–70% compared to conventional dryers. For moisture-rich longan (75–80% water content), this system operates at 40–65°C, preventing sugar crystallization and preserving the fruit’s translucent appearance and natural sweetness. - Multi-Product Compatibility
• Longan Processing: Adjustable humidity control (15–70% RH) prevents shell cracking during drying, critical for premium whole dried longan exports.
• Pecan Drying: Low-temperature cycles (30–45°C) maintain the integrity of pecans’ unsaturated fats, avoiding rancidity and ensuring a crisp texture.
• Hybrid Batches: Simultaneously dry longan pulp sheets, pecan halves, and other nuts or fruits with customizable tray configurations. - Nutrient & Flavor Preservation
• Longan-Specific Algorithms: Preserve 90% of vitamin C and polyphenols, essential for functional food markets.
• Pecan Quality Control: Uniform airflow (up to 23,500 m³/h) eliminates hotspots in thick-shelled pecans, retaining buttery flavor and crunch. - Hygienic & Durable Design
• Food-Grade Stainless Steel: 304 stainless steel chambers and trays comply with HACCP, ISO22000, and FDA standards.
• Automated Cleaning: Removable trays and CIP (clean-in-place) systems minimize cross-contamination risks.
Market Advantages
- Cost Savings & ROI
• Energy Efficiency: Slash annual electricity costs by $30,000+ with heat recovery, achieving ROI in 12–18 months. • Waste Reduction: Convert surplus or imperfect longans into pulp powders for beverages, reducing post-harvest losses by 25%. - Global Compliance & Sustainability
• Certified for CE, Halal, and organic standards, ensuring seamless export to EU, Middle Eastern, and North American markets.
• Carbon-neutral operation aligns with initiatives like the EU Green Deal, qualifying for energy subsidies. - Scalability
Modular designs support batch capacities from 500 kg to 5 tons/day, adaptable to small orchards or industrial processing plants.
Applications & Case Studies
- Premium Dried Longan Production
A Vietnamese cooperative achieved 40% higher export prices by using MeiYa’s system to produce whole dried longan with intact shells and superior sweetness. - Pecan Processing Efficiency
A U.S. nut processor reduced drying time for pecans by 30% while maintaining USDA-grade quality, leveraging MeiYa’s precision humidity controls. - Hybrid Drying for Value-Added Products
A Thai facility combined longan pulp sheets with coconut flakes in hybrid batches, tapping into the $3.8 billion healthy snack market.
Technical Specifications
• Power Supply: 380V/50Hz/60Hz
• Temperature Range: 30–85°C
• Certifications: CE, ISO22000, FDA, Halal
• Warranty: 12 months comprehensive coverage
Why Choose MeiYa?
• Proven Expertise: Over a decade of R&D in nut and tropical fruit drying.
• Smart Automation: IoT-enabled PLC controls and AI-driven predictive maintenance alerts.
• Custom Solutions: Collaborate with MeiYa’s engineers for tailored drying profiles.
Transform Your Production Today
From golden whole longan to premium pecans, MeiYa empowers businesses to meet global demand for sustainable, nutrient-rich dried foods.
Contact MeiYa for a free 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.