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Puffed Food Industrial Microwave Dryer

The equipment is widely used in leisure food, healthy grain, baby food and other fields, and is an ideal choice for producing high-end and healthy puffed products.

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Equipment Profile


Microwave drying equipment for puffed snacks serves as the core post-processing system in modern production lines, specifically engineered for various puffed snacks including potato chips, rice crispy snacks, shrimp strips, and extruded puffed sticks. Utilizing advanced microwave energy technology, this equipment enables rapid drying, shaping, sterilization, and flavor enhancement of puffed products. As a critical technical solution, it significantly improves product quality, ensures food safety, and extends shelf life while maintaining optimal texture and aroma.


Puffed Food Industrial Microwave Dryer

Puffed Food Industrial Microwave Dryer

Puffed Food Industrial Microwave Dryer

Puffed Food Industrial Microwave Dryer

Puffed Food Industrial Microwave Dryer

Puffed Food Industrial Microwave Dryer


Equipment Features


Shape the ultimate crisp taste and improve product quality

Uniform heating from the inside out: microwave energy instantly penetrates the material, makes the internal water evaporate quickly and generates outward expansion of steam pressure, forming a uniform and loose structure, avoiding the "outside dry, inside wet" or hard drying phenomenon that is easy to occur in the traditional external heating method.

Effectively prevent product softening: The rapid and efficient dehydration process can quickly lock the network structure of puffed products, so that it solidifies and shapes, to a great extent prevent the products from absorbing moisture and softening, shrinking and deformation due to water migration during cooling and subsequent storage, and maintain the perfect "crack" crisp and sweet taste for a long time.

Meeting the demand for healthy products: For non-fried or low-fat healthy puffed food, microwave drying can perfectly replace the crisping effect of frying, and produce products with lower oil content and more in line with modern healthy eating trends.


High efficiency and energy saving, significantly improve production efficiency

Drying speed is very fast: the processing time is greatly shortened, usually in minutes or even seconds, the efficiency is far more than the traditional hot air drying (several times to dozens of times), can perfectly match the production capacity of the front high-speed puffing machine, and greatly improve the production speed of the whole line.

High energy efficiency: microwave energy acts directly on water molecules, with minimal heat loss, avoiding the huge energy waste caused by heating air, equipment body and workshop environment in traditional methods, and achieving significant comprehensive energy saving effect (usually up to 30%-50%).


Ensuring food safety

Complete sterilization effect: the combination of microwave thermal effect and non-thermal effect (biological effect) can effectively kill pathogenic bacteria and putrefying bacteria such as E. coli, mold, yeast and so on in products at a relatively low temperature, and the sterilization rate is up to 99.9%.

No residual physical sterilization: this process is pure physical sterilization, without adding any chemical preservatives, making the product more natural and safe, in line with the consumption trend of "clean label".

Significantly prolong shelf life: by greatly reducing the total number of bacterial colonies in products, the problem of microbial exceeding the standard is solved essentially, which provides a double guarantee for food safety and effectively prolongs the shelf life of products in market circulation.


Technical Parameters


product model

running voltage

Microwave output power

rated input

apparent output

Height of feed and discharge ports

LDY-35PW-4X

380V

35KW

≤50KVA

50mm (customizable)

Transmission belt width

propagation velocity

outline dimension

work environment

800mm (customizable)

0.1-5m/min

8*1.2*2m (customizable)

0~40℃, relative humidity ≤80%

Model Working frequency Output power(KW) Microwave output power(KW) Overall dimensions Dehydration Capacity(kg/h) Sterilization Capacity(kg/h)
LDY-20PW-4X 2450±50HZ ≤26 ≥20 8500*750*1800mm ≥20 180-250
LDY-30PW-6X 2450±50HZ ≤36 ≥30 10500*800*2000mm ≥30 280-350
LDY-40PW-6X 2450±50HZ ≤46 ≥40 10500*900*2000mm ≥40 380-450
LDY-50PW-8X 2450±50HZ ≤58 ≥50 12200*1000*2000mm ≥50 480-550
LDY-60PW-8X 2450±50HZ ≤68 ≥60 13500*1000*2000mm ≥60 500-600
LDY-70PW-10X 2450±50HZ ≤78 ≥70 13500*1200*2000nm ≥70 700-800
LDY-80PW-10X 2450±50HZ ≤90 ≥80 15500*1200*2000mm ≥80 800-900
LDY-100PW-12X 2450±50HZ ≤110 ≥100 16500*1400*2000mm ≥100 1000-1200
LDY-120PW-14X 2450±50HZ ≤135 ≥120 17500*1400*2000mm ≥120 1200-1400
LDY-150PW-18X 2450±50HZ ≤165 ≥150 19500*1400*2000mm ≥150 1500-1800
LDY-200PW-18X 2450±50HZ ≤220 ≥200 23500*1400*2000mm ≥200 2000-2500


Core Advantages


Rapid & Uniform Processing

Microwave energy penetrates materials instantly, enabling internal water to evaporate quickly and generate outward steam pressure. This forms a uniform, loose structure, avoiding the "outside dry, inside wet" issue of traditional external heating methods. Processing time is shortened to minutes or even seconds, 5-10 times faster than traditional hot air drying, perfectly matching high-speed puffing machine capacity.


Energy-Saving & Healthy Output

Microwave energy acts directly on water molecules with minimal heat loss, achieving 30%-50% comprehensive energy savings compared to traditional methods. It replaces frying for non-fried/low-fat puffed foods, reducing oil content while maintaining a crispy taste, aligning with modern healthy eating trends.


Long-Lasting Freshness Preservation

Rapid dehydration locks the puffed product’s network structure, preventing moisture absorption, softening, shrinkage, and deformation during cooling and storage. The combination of microwave thermal and non-thermal effects ensures 99.9% sterilization rate, eliminating pathogenic bacteria and extending shelf life significantly.


Quality Assurance


Advanced Safety Design

Equipped with multiple safety interlock devices to prevent microwave leakage. The fully automated closed operation reduces operator contact with materials, minimizing cross-infection risks and ensuring compliance with food safety standards.


Strict Performance Testing

Each unit undergoes rigorous testing before delivery, verifying microwave output stability, temperature uniformity, and sterilization efficiency. It meets international food processing equipment standards, ensuring consistent product quality batch after batch.


Application


Why Choose Us


The fully automated closed operation eliminates operator contact with waste, reducing cross-infection risks, while energy consumption is significantly lower than incineration, cutting operating costs. Its modular design and small footprint adapt to diverse sites, from hospitals to centralized centers, avoiding long-distance waste transportation risks.


transport


FAQ


What happens to the waste after sterilization?

Treated waste meets harmless standards and can be disposed of as regular household garbage via landfill or incineration, achieving effective resource recovery and reducing environmental impact.


How to ensure operator safety during operation?

The equipment is equipped with multiple safety interlock devices to prevent microwave leakage. The fully automated closed process avoids direct operator contact with waste, and we provide comprehensive safety training and operation guidelines.


Is it suitable for small hospitals with limited space?

Yes. Its modular design and compact size (e.g., 10.81m for LDY-4PW-1X) make it ideal for small hospitals and on-site treatment, requiring minimal installation space while delivering efficient sterilization.


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 WhatsApp: +8615628868848
 Landline: +86-534-278-8365
 Tel: +86-156-2886-8848
 Email: long@longdiya.cn
 Address: No. 3, Ground Floor Commercial Building, No. 4 Building, 1727, Rongsheng Times International Plaza, No.9 Beiyuan Street, Quanfu Sub-district, Licheng District, Jinan, Shandong Province
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