Quang Ngai Case Study: Drying Herbal Incense with Daxwell Heat-Pump Dryer - The Key to Preserving Original Aromas

Quang Ngai Case Study: Drying Herbal Incense with Daxwell Heat-Pump Dryer - The Key to Preserving Original Aromas

Incense is not only a spiritual product but also a cultural beauty deeply embedded in Vietnamese life. Today, consumer trends are shifting strongly toward high-value, 100% natural herbal incense lines. However, producing these types of incense presents a massive hurdle regarding weather and drying methods. Let's explore how DeAir helped a large incense manufacturing facility in Quang Ngai completely resolve this issue through a comprehensive drying solution for clean incense.

1. Project Background in Quang Ngai

DeAir's client is a large-scale incense manufacturing facility in Quang Ngai. This facility is renowned for its premium product lines, using absolutely no artificial chemical fragrances, including: Cinnamon incense, agarwood incense, eucalyptus incense, herbal blend incense, and locust (saponin) incense.

Quang Ngai is located in the Central region of Vietnam, characterized by extremely harsh weather conditions: summers with blazing sun and intense UV rays, while winters endure prolonged rainstorms and typhoons. The facility's ability to scale up production was completely hindered by its reliance on unpredictable weather.

2. The "Pain" of Traditional Sun-Drying Methods

Before partnering with DeAir, the facility relied 100% on natural sun-drying. This led to 3 severe quality losses:

• Essential Oil Loss (Aroma Fading): Herbal incense contains a high amount of natural essential oils. Under the intense heat of the sun and direct UV rays, these precious fragrance compounds easily evaporate, causing the finished incense sticks to lose their characteristic warm, rich scent.
• High Shrinkage and Spoilage Rate: Sun-drying causes uneven moisture evaporation. The outer surface dries quickly and shrinks while the core remains wet, leading to warped, bent, or cracked incense sticks. Especially during days of prolonged rain, incense that cannot dry in time develops white mold and entire batches must be discarded.
• Lack of Hygiene and Safety: Outdoor drying easily exposes incense to dirt, sand, and insects, completely failing to meet the packaging standards required for the premium market segment.

3. The DeAir Solution: Daxwell DX-600D Heat-Pump Drying Room System

After a site survey and analysis of the materials' properties (agarwood, cinnamon, locust), DeAir's engineering team advised the client to completely eliminate the drying yard and transition to a Closed-loop Heat-pump Drying Room model.

 

 

The heart of the system is the Daxwell DX-600D Dryer. This machine provides powerful drying capacity, accommodating hundreds of kilograms of fresh incense per batch. The system is designed with a closed circulating airflow chamber, ensuring that dry air passes evenly through each mesh tray, drying the incense consistently from the core to the outside.

4. 3 Breakthrough Values Daxwell Technology Brings to the Facility

First: Preserving the Original Aroma (The Secret of Low-Temperature Drying)

This is the most critical selling point of the project. Unlike drying with firewood or high-heat electric resistance which can scorch the incense, Heat-pump technology extracts moisture at an extremely mild temperature range (40°C - 50°C). Because it is a closed drying cycle with no UV exposure, this herbal incense drying secret helps "lock" the essential oils of agarwood, cinnamon, and eucalyptus inside the incense stick. The finished product maintains a natural golden-brown color and releases a rich, potent fragrance the moment the box is opened.

Second: 24/7 Production Autonomy, Eliminating Weather Worries

The facility officially ended the cycle of "drying in the morning, running from the rain in the afternoon". With the Daxwell drying room, the client can set automated overnight drying batches, gaining total 24/7 production autonomy regardless of the Central region's stormy seasons. This ensures an abundant supply of goods to distributors during peak seasons like Full Moons, Holidays, and Lunar New Year.

Third: Saving 75% on Power Consumption

Thanks to the heat pump mechanism (reusing condensation heat to warm the air instead of using electrical resistance heating rods), the Daxwell DX-600D boasts a very high Coefficient of Performance (COP). The equipment consumes only about 1/4 of the electricity of standard resistance drying cabinets on the market, helping the facility owner optimize operating expenses (OPEX) and maximize profit margins.

5. Frequently Asked Questions (FAQ) Regarding Incense Drying