Linde Cryoline MT1250 Freezing tunnel

• Rapid freezing of delicate bakery products, such as pastries and bread.
• Individual Quick Freezing (IQF) of small fruits, vegetables, and seafood.
• Surface freezing of meat products prior to slicing or further processing.
• Freezing of prepared meals and ready-to-eat food items.
• Cryogenic chilling of products to extend shelf life and maintain quality.

Typical throughput

For this class of equipment, throughput can vary significantly based on product type and desired freezing temperature, but units commonly achieve several hundred kilograms per hour.

Belt width

Units of this type commonly feature belt widths around 1250 mm, allowing for a good volume of product.

Freezing medium

Cryogenic tunnel freezers typically utilise liquid nitrogen (LIN) or carbon dioxide (CO2) as the freezing medium.

Construction material

Equipment in this category is typically constructed from stainless steel for hygiene and durability in food processing environments.

Temperature range

Cryogenic freezers are capable of achieving very low temperatures, typically down to -100°C or colder within the freezing zone.

Control system

Modern units commonly feature PLC-based control systems with HMI touchscreens for precise parameter adjustment and monitoring.

• What are the primary benefits of a cryogenic tunnel freezer over mechanical freezing?

  Cryogenic freezers offer significantly faster freezing rates, which can lead to smaller ice crystals, reduced dehydration, and better product quality. They are also more compact for a given capacity.

• What utilities are required for a cryogenic freezer?

• Is this type of freezer suitable for all food products?

• What maintenance is typically involved with a cryogenic tunnel freezer?

• Can the freezing time be adjusted?

Blast freezers hold strong reputations for reliable performance in food processing operations. Buyers typically prioritise units with sturdy construction and consistent temperature control, as these directly affect product quality and shelf life. When purchasing used equipment, inspecting refrigeration systems, door seals and internal surfaces for wear is essential. Industry sentiment favours models from established manufacturers known for durability. Key strengths include rapid freezing capability, energy efficiency compared to older freezing methods, and adaptability to various food types. Proper maintenance history significantly influences buyer confidence in used units.

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