MeiYa Heat Pump Dryer: The Precision Drying Solution for Areca Nut (Betel Nut)

Introduction: Preserving Value in a High-Demand Commodity

The areca nut, commonly known as betel nut, is a significant agricultural product with substantial economic value, particularly in tropical regions. Its primary processing stage—drying—is critical for preservation, storage, and subsequent deep-processing. However, the traditional drying method using rudimentary earth kilns presents severe challenges: it generates massive amounts of dust and smoke, causing significant environmental pollution; it consumes large quantities of coal and wood; and it relies entirely on operator experience, leading to inconsistent product quality and potential health hazards for workers. MeiYa’s advanced air-source heat pump drying technology offers a modern, intelligent, and sustainable solution, ensuring superior quality, operational efficiency, and environmental responsibility.

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The MeiYa Advantage: Modern Technology Replacing Outdated Methods

Transitioning from traditional, polluting earth kilns to a controlled, automated system is essential for the future of areca nut processing. MeiYa Heat Pump Dryers are engineered to overcome the limitations of traditional methods, providing a cleaner, more consistent, and cost-effective drying process.

MeiYa Heat Pump Dryers deliver precision and efficiency for optimal areca nut drying:

1. Precise Multi-Stage Programmable Control: The four-stage drying protocol for areca nuts requires specific temperature profiles and durations. MeiYa’s intelligent PLC system allows for exact programming of each stage—initial gradual heating, main drying, and final curing—with precise temperature and time settings, eliminating guesswork.
2. Intelligent Humidity & Moisture Management: Effective dehumidification is synchronized with each drying stage. The system features automatic humidity control and exhaust to efficiently remove evaporated moisture, preventing re-condensation and ensuring uniform drying.
3. Significant Energy Savings & Environmental Protection: Operating on the highly efficient reverse Carnot principle, MeiYa dryers recycle heat within the system. This consumes far less energy than coal or wood-fired kilns and produces zero direct emissions, eliminating smoke pollution and supporting sustainable operations.
4. Uniform Airflow for Consistent Quality: The integrated air circulation system ensures even temperature and humidity distribution throughout the drying chamber. This uniformity is crucial for achieving consistent drying results across all nuts, regardless of their position, and is a vast improvement over the uneven heat of traditional kilns.
5. Fully Automated, Labor-Saving Operation: The entire multi-day cycle can be pre-programmed. The system runs autonomously, managing stage transitions, temperature ramps, and dehumidification. This reduces labor intensity, minimizes human error, and ensures perfect repeatability for every batch.
6. Improved Working Conditions & Product Safety: By eliminating smoke, dust, and open flames, MeiYa dryers create a safe and clean working environment. The closed, controlled system also prevents contamination, resulting in a cleaner, higher-quality final product.

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Optimized Four-Stage Drying Protocol for Areca Nuts with MeiYa Dryers

Stage 1: Preparation & Loading

1. Loading: Fresh areca nuts are loaded into the drying chamber. For optimal results, nuts should be sorted roughly by size before loading to facilitate more uniform drying.

Stage 2: The Precision Four-Stage Drying Cycle

Total Drying Time: Approximately 4-5 days. Goal: Reduce nut weight to 25-30% of the original fresh weight.

1. Stage 1 – Initial Low-Temperature Drying & Dehumidification:
   • Process: As the nuts have high initial moisture content, the dryer is set to gradually increase temperature.
   • Duration: Maintain this phase for 20-24 hours, with automatic dehumidification active.
   • Extended Dehumidification: Continue the temperature control and dehumidification for a total of 1-2 days to remove the bulk of the surface and free moisture.
   • Purpose: Gently initiates moisture removal without causing case hardening.
2. Stage 2 – Sorting & Re-arrangement (Manual Step):
   • Process: After the initial drying phase, the nuts are unloaded for sorting and screening. Larger and smaller nuts are separated.
   • Action: The larger nuts are placed at the bottom of the drying chamber, and the smaller ones on top. This ensures more uniform drying speed in the subsequent stages, as larger nuts typically require slightly longer drying times.
3. Stage 3 – Main Drying & Intensive Dehumidification:
   • Process: The temperature is gradually increased further to accelerate moisture evaporation from within the nuts.
   • Duration: Maintain this phase for 20-24 hours.
   • Dehumidification: Automatic dehumidification runs continuously to expel the released water vapor.
   • Purpose: Removes the majority of the remaining internal moisture.
4. Stage 4 – Final Curing & Cooling:
   • Temperature: Reduce and stabilize the temperature at approximately 55°C.
   • Duration: Continue drying at this temperature for 2 days.
   • Goal: This extended low-temperature phase ensures the nuts are dried thoroughly to the core, achieving the target weight reduction to 25-30% of the original fresh weight, resulting in stable, shelf-ready dried areca nuts.

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Conclusion

The traditional method of drying areca nuts in earth kilns is inefficient, polluting, and produces inconsistent quality. MeiYa Heat Pump Dryer technology provides a complete modernization solution. By offering precise multi-stage control, intelligent humidity management, significant energy savings, and fully automated operation, MeiYa ensures a superior, consistent, and high-quality dried product. This transition not only enhances profitability through better yield and lower operational costs but also promotes environmental sustainability and improves worker safety.

Modernize your areca nut processing with MeiYa’s intelligent, efficient, and clean drying technology.

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Contact Us for Your Customized Drying Solution: 📧 Email: [email protected] 👤 Contact: Ray Ren 📱 WhatsApp/WeChat/Mobile: +86 133 4676 7871

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MeiYa – Engineering Smarter Drying for Superior Results.

MeiYa Heat Pump Dryer Machine

1. No MOQ & Customization Unlimited
2. Drying + Dehumidify + Cooling
3. PLC + Touch Screen Control
4. 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 1,300Kg	6150*2190*2200	14	224
MY-12RD	1 Unit + 1 Drying Room	Up to 2,000Kg	6350*3230*2200	20	320
MY-15RD	1 Unit + 1 Drying Room	Up to 2,200Kg	6350*3230*2200	20	320
MY-03RD (Double)	2 Units + 1 Drying Room	Up to 1,700Kg	7050*2190*2200	16	256
MY-06RD (Double)	2 Units + 1 Drying Room	Up to 2,500Kg	10100*2190*2200	24	384
MY-12RD (Double)	2 Units + 1 Drying Room	Up to 4,400Kg	11860*3230*2200	40	640
MY-15RD (Double)	2 Units + 1 Drying Room	Up to 5,200Kg	11860*3230*2200	40	640
MY-25RD (Double)	2 Units + 1 Drying Room	Up to 10,000Kg	13520*6070*2200	48	1920

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.

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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