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Quick Freezing Tunnel (IQF)

Food preservation and processing methods have special importance in today’s world. Proper and systematic implementation of food preservation methods helps reduce waste, improve product quality, and consequently enhance food security while reducing production costs.

One of the advanced technologies used in this field is the Individual Quick Freezing (IQF) tunnel. This modern method in the refrigeration industry is widely used in the food industry due to its ability to preserve the natural properties of food and extend shelf life.

But what exactly is an IQF tunnel, how does it work, and how much does its construction cost? Join us on this page of Tabadol Gostar Booran to explore the construction process and the key points to consider when purchasing this equipment.

What is an IQF Tunnel?

The Individual Quick Freezing (IQF) tunnel is one of the advanced technologies in the food freezing industry that enables fast and separate freezing of food products for business owners.

This method prevents the formation of large ice crystals within the food’s structure, helping preserve the quality, taste, and texture of products. For this reason, it is highly popular in the food industry.

The operation of the IQF tunnel is based on creating extremely low temperatures (around -40°C) combined with a strong airflow, which ensures uniform freezing of food products.

Types of IQF Tunnels

There are different types of IQF tunnels, each designed for specific applications.

1. Inline Tunnel Freezer

In this type, the product enters the tunnel from one side and exits from the other in a linear path. Cold air flows uniformly along the tunnel and freezes the product.

2. Spiral Tunnel Freezer

The spiral quick freezing tunnel allows the product to move gradually on a spiral conveyor belt while being cooled. These tunnels are suitable for high-volume products, and the spiral design increases contact with cold air, making the freezing process faster.

3. Fluidized Bed Freezer

In this method, the product is placed in a bed of cold air. The airflow separates the particles, increasing their surface contact with cold air. This method is particularly suitable for small and delicate products like berries or chopped vegetables.

4. Cryogenic Contact Freezer

In this method, the product comes into direct contact with liquid nitrogen and freezes quickly. High-value and temperature-sensitive products such as ice cream and some seafood are the best candidates for this type of tunnel.

تونل انجماد نیتروژنی تماسی (Cryogenic Contact Freezer)

Advantages of Using IQF Tunnels

Some of the advantages of using IQF tunnels include extending shelf life and preventing microbial contamination.

This technology is applicable for freezing a wide range of products such as vegetables, fruits, fish, ready-to-eat meals, and even protein-based products. It also plays a vital role in improving production and packaging processes.

Finally, IQF tunnels, equipped with advanced temperature and humidity control systems, create optimal conditions for preserving the natural properties of food, allowing for high-quality product output.

How IQF Tunnels Work

In an IQF tunnel, food products are placed individually on a conveyor belt and pass into a tunnel where extremely cold air flows at high speed.

This cold air, at temperatures well below the freezing point of food, causes the water inside the food cells to rapidly turn into very small ice crystals.

These smaller crystals cause less damage to the food structure, ensuring better preservation of quality, taste, and appearance.

IQF tunnels prevent the formation of large ice crystals, which damage food cells and lower quality. By minimizing enzymatic and microbial activity, they effectively extend product shelf life.

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Construction of IQF Tunnels

The process of constructing an IQF tunnel is one of the most complex aspects of industrial equipment design, requiring a combination of technical expertise, high-quality raw materials, and advanced technology.

All tunnel components—including the body, refrigeration systems, airflow, and control parts—must be carefully and precisely designed to ensure optimal performance.

The raw materials used must be resistant to corrosion, extremely low temperatures, and high humidity. Proper thermal insulation also prevents energy loss and enhances efficiency.

A powerful and uniform air circulation system ensures that all products inside the tunnel freeze quickly and evenly.

One of the most important aspects of IQF tunnel construction is flexibility. Reputable companies like Tabadol Gostar Booran design these systems based on customers’ specific needs. Customization may include changes in production capacity, tunnel dimensions, product types, or advanced temperature and humidity control systems.

Additionally, compliance with international standards such as ISO and HACCP ensures optimal performance and hygienic reliability.

Price of IQF Tunnels

The price of an IQF tunnel depends on multiple factors, each of which can significantly impact the final cost.

Some of the most important factors include:

  1. Capacity and size: Tunnel capacity determines the volume of products frozen simultaneously. Higher-capacity tunnels require more complex equipment and are more costly.
  2. Raw materials: Using high-quality stainless steel increases corrosion resistance and ensures longer equipment life.
  3. Energy consumption: Modern energy-efficient technologies reduce operating costs. Although initially more expensive, they save money in the long term.
  4. Additional equipment and features: Advanced features such as smart temperature control systems and premium insulation improve performance and add to cost.
  5. Brand and manufacturer: Reputable companies that use advanced technologies to produce freezing tunnels and provide strong after-sales service deliver higher-quality systems, often at higher costs.

Finally, fluctuations in currency rates and transportation costs can also influence the final price.

For accurate and up-to-date information on IQF tunnel prices and to select the best option for your needs, we recommend contacting Tabadol Gostar Booran experts. With experience and expertise in designing and selling industrial equipment, they are ready to provide consultation and guidance.

Purchasing an IQF Tunnel

If you intend to purchase an IQF tunnel, consider key points such as build quality, energy consumption, after-sales service, and warranty. It is advisable to buy from companies with sufficient experience and credibility.

For more information and to purchase a high-quality IQF tunnel at a suitable price, contact Tabadol Gostar Booran experts. With years of experience in designing and manufacturing advanced equipment, they are ready to provide tailored solutions for your needs.

Conclusion

As one of the most important modern technologies in the food industry, IQF tunnels play a significant role in preserving quality and extending the shelf life of food products. Choosing and purchasing a high-quality IQF tunnel not only reduces costs but also improves production efficiency.

For consultation and more details on pricing and purchasing an IQF tunnel, contact Tabadol Gostar Booran and benefit from the professional services and support of this company.

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Frequently Asked Questions; Clear Answers for You

Answers to the most frequently asked questions from Tabadol Gostar Booran experts:

1. Can an IQF tunnel be used for non-food applications?

Yes, these tunnels can also be used for freezing certain chemicals and pharmaceuticals that require very low temperatures.

Factors such as the product’s initial temperature, airflow inside the tunnel, food thickness, and tunnel design affect freezing speed.

Yes, these systems require periodic maintenance, regular cleaning, and inspection of refrigeration systems to maintain optimal performance and extend lifespan.

Consulting experts and evaluating factors such as product type, production capacity, available space, and budget can help in selecting the best option.

Yes, most reputable manufacturers provide warranties that include repair and replacement of parts within a specified period.

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