Tunnel freezer

  • Achieve product temperature down to -18°c
  • Shorten freezing time
  • Cool rapidly and efficiently
  • Cost-effective
SKU: tunnel-freezer Category: Tags: ,

Tunnel freezer Description

IQF is an abbreviation for “individually quick frozen”, a process that freezes food rapidly so there is minimal damage to the cellular structure of the food.

A tunnel freezer is a class of processing freezer systems where the product usually travels horizontally through a long enclosed space (freezing tunnel) and cold air is circulated upward through the product.
IQF freezer applications

Application of IQF tunnel freezers

– Ideal for food plants with limited space
– Small, medium, and large volume systems available
– Versatile and operate in various food processing sectors、

 Poultry Industry – Chicken Nuggets, Chicken Patties, Chicken Nuggets, etc.
• Meat industry – meat patties, meatballs, uncooked hamburgers, breaded nuggets, etc.
• Seafood industry – fish sticks or patties, shrimp, fillets, scallops, whole fish, etc.
• Baked products – pizza crusts, pies, cookies, pasta, bread dough and more
• Prepared foods – packaged foods in trays, ice cream cups, products that need to be stored for a long time, etc.

frozen food application

Our Advantages

1. Safe and reliable equipment configuration
2. Multiple energy-saving designs
3. High-quality evaporator
4. Top quality insulated panel
5. Shorten freezing time, cool rapidly and efficiently,
6. Cost-effective

STRUCTURE of Tunnel freezers:

1. The S Belt
2. Low noise S Fan
3. High-quality Runner
4. SS Fan
5. Belt Tension Device
6. High-Quality Evaporator
7. Advanced Deflection Proof
8. High-density insulation panel

plate/mesh-belt tunnel freezer layout

Details of Tunnel freezer

1. Basic information

 Plate-Belt Mesh-BeltHigh Efficiency Plate-Belt High Efficiency Mesh-Belt
Typetunnel freezer
Hoses MaterialStainless steel
Cooling Capacity(kg/h)250 -1500kg/h150-3000 kg/h 500-1700kg/h 500-800kg/h
Chamber Temp(℃)-35-35-38-38/-35
Freezing Time(min)15-6015-6010 – 40 min10 – 40 min
Belt Width(mm)1200-15001000-500015002000


Features of tunnel freezer

1. Plate-belt tunnel freezers Features
  • Imported strong Intensity stainless steel plate
  • High stick-on plastic strips imported from Japan keep the belt normal running.
  • Belt running inside to avoid outside pollution and cold loss
2. Mesh-belt tunnel freezer Features
  • Special patent driving ensures belt smooth running.
  • No distortion while loading based on high-quality SS spring for the belt.
  • Vide belt design for wide product scope, strong bearing capacity.
  • Keep the belt correct running by air pump while occurs deflective running.
3. High-efficiency plate/mesh-belt tunnel freezer Features
  •  Quick freezing, 200g/ fillet passing time is 17 minutes.
  •  With Lower moisture-lost.
  •  The Optimize airflow system design, add nozzles on both sides of the belt to improve heat exchange efficiency.
  • The Two belts are installed in the same freezer where has a partition to save room.
  • Parts inside without any oil and outside driving devices keep oil pollution from product processing.
plate/mesh-belt tunnel freezer layout

For this article, you will know: What’s the Difference Between IQF Freezing and Cold Storage Freezing?

We would like to design suitable IQF freezers(spiral freezers or tunnel freezers) for you, please feel free to let us know your demand information.

We provide the one-stop solution cold room with high-quality refrigeration systems(also with the refrigeration accessories)

Any need please contact us!

    Scroll to Top