MeiYa Heat Pump Dryer: The Precision Drying Solution for Angelica Dahurica (Bai Zhi)

Introduction: The Critical Role of Drying in Angelica Dahurica Processing

Angelica dahurica, a foundational herb in traditional medicine, is valued for its therapeutic properties. The quality, potency, and commercial viability of the final dried root are entirely contingent upon the drying process. Fresh roots are highly susceptible to spoilage. Inadequate drying—characterized by incorrect temperatures or timing—leads to critical defects such as hollow centers, external charring, or internal oil seepage and mold formation. These defects not only nullify the herb’s medicinal value but also result in significant economic loss. MeiYa’s advanced heat pump drying technology provides the precise, controlled, and consistent environment required to transform fresh Angelica dahurica into a premium-grade, stable, and potent product.

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The MeiYa Advantage: Transforming Angelica Dahurica Processing

Traditional drying methods, such as coal-fired kilns, are plagued by inefficiency and inconsistency. They struggle with temperature fluctuations, high labor demands, pollution, and significant fire hazards. MeiYa Heat Pump Dryers are engineered to overcome these challenges, offering a superior, modern alternative.

1. Precision Multi-Stage Temperature Control: The optimal drying of Angelica dahurica requires a specific three-stage temperature profile. MeiYa’s intelligent system allows for exact programming and maintenance of temperatures at 80°C, 60-70°C, and 50-60°C, ensuring each phase is executed perfectly to preserve the root’s integrity and active compounds.
2. Substantial Energy Efficiency: By harnessing ambient thermal energy, MeiYa dryers reduce energy consumption by up to 60-70% compared to conventional electric or fuel-based systems, offering dramatic long-term operational savings.
3. Full Automation & Labor Optimization: Once the drying program is initiated, the system operates autonomously. This eliminates the need for constant manual monitoring, turning, and fire management, drastically reducing labor costs and minimizing human error.
4. Unmatched Product Quality & Consistency: Gentle, controlled heat combined with automated dehumidification ensures uniform drying from the core outward. This process prevents hollowing, cracking, and discoloration, yielding a final product that is consistently hard, has a characteristic fractured cross-section, and retains maximum potency.
5. Clean, Sustainable & Safe Operation: The enclosed drying chamber ensures a hygienic processing environment free from dust, insects, and combustion contaminants. With no direct emissions or open flames, MeiYa supports eco-friendly production and enhances workplace safety.

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Optimized Three-Stage Drying Protocol with MeiYa Dryers

The traditional “Three-Stage Drying” method is perfected through MeiYa’s precision technology.

Stage 1: Raw Material Preparation

• Harvesting: Roots are best harvested in late autumn when plant growth has ceased.
• Cleaning: Fresh roots must be thoroughly washed to remove all soil and impurities.

Stage 2: The Precision Drying Cycle

First Drying (Initial Dehydration):

• Loading: Cleaned roots are evenly arranged on trays inside the MeiYa drying chamber.
• Process: The dryer is set to 80°C. Roots are dried for 4-6 hours, with one manual turning to ensure even exposure. This phase facilitates initial moisture removal and the drying of fine rootlets.

Second Drying (Moisture Migration & Curing):

• Process: The temperature is lowered to 60-70°C. Drying continues until the roots reach approximately 80% dryness.
• Critical Curing Step: Roots are then removed and piled together for 6-7 days. This allows internal moisture to equilibrate and the outer skin to soften, which is essential for achieving the desired final texture.

Third Drying (Final Stabilization):

• Process: The cured roots are reloaded into the dryer. A gentle temperature of 50-60°C is applied until the roots are completely dry, hard to the touch, and have reached a stable moisture content (typically below 12%). Careful temperature management in this phase is crucial to prevent defects.

Stage 3: Post-Processing & Storage

• The dried roots are cooled naturally, inspected for quality—checking for hardness, color, and fracture pattern—and then packaged in moisture-proof containers for storage in a cool, dry place.

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Conclusion

The meticulous drying of Angelica dahurica demands unwavering precision and consistency—core strengths of the MeiYa Heat Pump Dryer. By supplanting unreliable traditional methods with intelligent automation, exact climate control, and outstanding energy efficiency, MeiYa guarantees the production of superior-grade Bai Zhi. This results in maximized medicinal efficacy, minimized waste, reduced operational costs, and a scalable, sustainable production model.

Achieve excellence in Angelica dahurica processing with MeiYa’s advanced 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 a Healthier World.

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