Tunnel Frozen Butter Thawing System Butter Defrosting Line

Model YM-20D~YM-100D

Material SS304

Conveyor belt speed 0.5~5M/MIN

Microwave Frequency 915MHZ

Brand YEMAI

Detail

Microwave Thawing Technology: The Future of Industrial Food Processing

Microwave thawing operates on the principle of internal volumetric heating, a method that fundamentally differs from conventional surface-based thawing techniques.

How It Works

The technology utilizes electromagnetic waves to excite polar molecules—particularly water molecules—within frozen products. In a high-frequency alternating electromagnetic field, these molecules rapidly reorient themselves, resulting in molecular rotation, vibration, and friction that generate heat uniformly throughout the material. The 915MHz frequency employed in our systems offers deeper penetration and more efficient energy transfer compared to higher frequencies, enabling faster and more consistent thawing.

Why Choose Microwave Thawing Over Conventional Methods?

Traditional thawing relies on external heat transfer through air or water, which slowly penetrates from the surface inward. This approach often leads to uneven thawing, prolonged processing times, and significant loss of product quality through drip loss and nutrient degradation.

In contrast, microwave thawing acts directly on the product’s interior, dramatically reducing thawing time while preserving texture, flavor, and nutritional integrity. By maintaining a controlled temperature range, our systems ensure optimal product condition for further processing.

Technical Advantages of 915MHz Industrial Microwave Thawing

Our equipment utilizes a 915MHz microwave generator, offering superior penetration depth compared to standard 2450MHz systems. With configurable power outputs ranging from 20KW to 100KW, the system can maintain a precise thawing temperature between -5°C and 1°C—ideal for tempering and preparation for further processing—while achieving throughputs of up to 2,500 kg/h.

Key Benefits

  • High-Speed Thawing

    • Reduces required floor space and storage time compared to natural thawing.

    • Capable of thawing products in their packaging, simplifying hygiene control.

    • Eliminates water consumption and wastewater generation associated with water-based thawing.

    • Prevents fat loss and avoids oily effluent treatment challenges.

  • Superior Product Quality

    • Preserves nutritional content and sensory attributes.

    • Minimizes bacterial growth during thawing, extending product shelf life.

    • The 915MHz frequency offers enhanced penetration, ideal for large or irregularly shaped items.

Comparison of Thawing Methods

Microwave thawing operates in two key phases:

  • Temperature Adjustment: Raising the product from deep-freeze temperatures to just below the freezing point (typically -4°C to 2°C), maintaining a firm state suitable for cutting or processing.

  • Melting Phase: Completing thawing as needed for further handling or packaging.

Why Choose Our Industrial Microwave Thawing System?
Our equipment combines advanced 915MHz microwave technology with intelligent controls to deliver fast, consistent, and clean thawing—making it the optimal solution for meat, poultry, seafood, and prepared food processors worldwide.