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Asparagus Drying Solution for Export in Ninh Thuan: Optimizing Energy with DeAir.RE-1200H

26/06/2025

Asparagus Drying Solution for Export in Ninh Thuan: Optimizing Energy with DeAir.RE-1200H

Asparagus, known as the "queen of vegetables," is not only a premium food item but also a rich source of nutrients with significant export potential. In Ninh Thuan, with its favorable climate, asparagus farms are increasingly developing. However, turning fresh asparagus into a high-quality dried product for the international market requires a pivotal drying process that must be gentle enough to preserve nutrients, yet efficient and energy-saving.

DeAir's asparagus drying solution in Ninh Thuan helps optimize energy and preserve full nutrition
DeAir's asparagus drying solution in Ninh Thuan helps optimize energy and preserve full nutrition

A large enterprise in Ninh Thuan, focused on producing dried asparagus for export, decided to invest in a large-scale drying system and chose DeAir as its solution provider.

Asparagus export drying project in Ninh Thuan with a DeAir heat-pump dryer
Asparagus export drying project in Ninh Thuan with a DeAir heat-pump dryer

Asparagus - The "Queen of Nutrition" & Strict Drying Requirements

Asparagus is highly favored for its high and diverse nutritional content, offering many specific health benefits:

  • Rich in Antioxidants: Asparagus contains many important antioxidants like glutathione, flavonoids, and polyphenols, which help protect cells from free radical damage and slow down the aging process.
  • Abundant Source of Vitamins: It is an excellent source of heat-sensitive vitamins such as Vitamin K (good for blood clotting and bone health), Folate (vitamin B9, essential for cell growth), and Vitamins A, C, and E (important for the immune system and skin).
  • Supports Digestive Health: The high fiber content in asparagus helps the digestive system function smoothly and nourishes beneficial gut bacteria.

To fully preserve these precious nutritional values, the drying process must be strictly controlled in terms of temperature and humidity.

The Great Benefits of Proper Asparagus Drying

Investing in a modern drying system not only solves technical problems but also benefits the entire value chain:

The great benefits of using a DeAir dryer for asparagus
The great benefits of using a DeAir dryer for asparagus
  • For Consumers: They get to use a safe, clean, preservative-free dried asparagus product. The low-temperature drying technology helps retain the maximum nutritional content and natural flavor of fresh asparagus.
  • For Producers (Dryers): It enhances the product's value, creating a high-end item suitable for export. Being proactive in production, not dependent on the weather, helps meet large orders and minimizes losses from mold or damage, thereby increasing profits.
  • For Farmers (Growers): It provides a stable offtake channel for their fresh asparagus. The success of the processing plant encourages the expansion of cultivation areas, creates sustainable livelihoods, and motivates farmers to adopt high-quality farming practices.

Large-Scale Drying Project in Ninh Thuan with 3 DeAir.RE-1200H Machines

To meet the client's large production needs, DeAir consulted and installed a system consisting of 03 DeAir.RE-1200H heat-pump dryers. The system is set up to operate stably at 40°C and 40% humidity, the ideal environment for drying asparagus.

The DeAir.RE-1200H Heat-pump dryer solution for drying asparagus in Ninh Thuan
The DeAir.RE-1200H Heat-pump dryer solution for drying asparagus in Ninh Thuan

DeAir.RE-H: The Superior Energy-Saving Heat-Pump Drying Solution

The highlight of this project is its operational cost-effectiveness. The DeAir.RE-H dryer series uses advanced heat pump technology. Instead of discharging the heat generated during the air drying process like conventional condenser units, heat pump technology reclaims this very heat to warm up the dry air before it enters the drying chamber. This closed-loop heat circulation helps reduce electricity consumption by 50-70% compared to traditional resistance heating methods. For a factory operating 24/7, this is a crucial factor in optimizing product cost.

Close-up of the DeAir.RE-1200H heat-pump dryer in the Ninh Thuan asparagus drying project
Close-up of the DeAir.RE-1200H heat-pump dryer in the Ninh Thuan asparagus drying project

Upgrade Suggestion: When to Choose the Daxwell Heat-Pump Dryer?

The DeAir.RE-H series is an excellent choice for applications requiring drying at a stable temperature and humidity, delivering high efficiency and cost savings. However, DeAir always advises clients of a more advanced option for even stricter requirements: the Daxwell heat-pump dryer.

So, when should a business consider investing in the Daxwell line?

Suggestion to upgrade to the Daxwell heat-pump dryer for more complex drying requirements
Suggestion to upgrade to the Daxwell heat-pump dryer for more complex drying requirements
  • For complex drying processes: The biggest difference with Daxwell is its intelligent PLC controller. It allows users to program multi-stage drying cycles (e.g., stage 1 at 40°C, stage 2 increasing to 50°C, stage 3 reducing humidity...). This is ideal for premium products that require changes in temperature and humidity during the drying process to achieve a specific texture or flavor.
  • For maximum control and monitoring: The Daxwell's HMI screen allows for visual monitoring of the entire process, ensuring absolute precision and stability, suitable for factories meeting the highest international standards.

You can learn more about the differences between the DeAir.RE-H and Daxwell dryer series to make the most suitable choice.

Results & Commitment From DeAir

With the system of 3 DeAir.RE-1200H dryers, the enterprise in Ninh Thuan can now produce large quantities of high-quality, consistent dried asparagus that retains its color and nutrition, ready for export. More importantly, the problem of operating costs has been optimally solved thanks to the energy-saving drying technology.

This project once again affirms DeAir's role not just as a supplier, but as a comprehensive solution consulting partner, always offering suitable options for every customer's needs and scale, from efficient and economical to premium and precise.