What is IQF freezing?

IQF (Individual Quick Freezing) is a method of freezing food products individually, preventing them from clumping together. This preserves the product's quality, texture, and appearance.

What are the benefits of an IQF system?

Benefits include superior product quality, reduced drip loss upon thawing, increased shelf life, and the ability to portion products easily. It also allows for continuous processing.

What maintenance is typically required for an IQF freezer?

Regular maintenance includes cleaning of belts and internal surfaces, inspection of fans and motors, checking refrigerant levels, and calibration of controls. Defrosting cycles are also a key operational aspect.

Can this type of freezer handle different product sizes?

IQF freezers are generally designed to handle a range of small to medium-sized products. The belt speed and vibration settings can often be adjusted to suit different product characteristics.

What safety considerations are there with NH3 refrigerant?

Ammonia is an efficient refrigerant but requires strict safety protocols due to its toxic and flammable nature. Facilities using NH3 must have appropriate ventilation, leak detection, and emergency response plans in place.

How does the defrosting system work?

Defrosting typically involves circulating hot ammonia gas through the evaporator coils to melt ice build-up, often combined with a water spray to wash away the melted ice. This process is crucial for maintaining freezing efficiency.

Used UNIDEX TZF 4B - IQF (Individual Quick Freezing) Systems, photo 1

Used UNIDEX TZF 4B - IQF (Individual Quick Freezing) Systems, photo 2

Used UNIDEX TZF 4B - IQF (Individual Quick Freezing) Systems, photo 3

Used UNIDEX TZF 4B - IQF (Individual Quick Freezing) Systems, photo 4

Used UNIDEX TZF 4B - IQF (Individual Quick Freezing) Systems, photo 5

Used UNIDEX TZF 4B - IQF (Individual Quick Freezing) Systems, photo 6

Used UNIDEX TZF 4B - IQF (Individual Quick Freezing) Systems

used Equipment

Available

Verified seller

UNIDEX TZF 4B

Name: UNIDEX TZF 4B
Brand: UNIDEX
SKU: 00098
Availability: InStock

Price: Contact seller for price

Flow Freezer cooling capacity - 700 kw freezing factor - NH3 recilculation pump 5-6 freezing evaporation - 40C internal volume of the coolers 1480 dm3 defrosting - hot NH3 steam and water spray defrosting time 20-30 min full freezing time 15-20 min 3 x 380 V, 50 Hz max electricity 127 KW 4 fans 30 KW each fan motor freezing time from 7 to 35 min continous speed controller for 1 and 2 belt 1 belt washing - in line or periodic 2 belt washing - during defrosting lenght - 12,5 m widht - 5,1 m hight - 4,5 m total lenght - 14,2 m belt widght - 120 mm equalizer over the belt scrapers after 1 and 2 belt SS electric box belt type GORC, 2,5 mm vibration hopper noise level 85 db Capacity for each product strawberry 4000 kg/h - 18 min currant 4400 kg/h - 10 min raspberries 2800 kg/h - 12 min plums 3400 kg/h - 25 min

Warsaw, Poland

6,117 km away

Model Number

TZF 4B

Stock Number

00098

Machinery Masters View

Typical context for this category of equipment. Always confirm specifics with the seller.

Freezing of small, discrete food products such as berries, peas, and seafood.
Processing of diced vegetables and fruits to maintain individual piece integrity.
Quick freezing of pasta, rice, and other grain-based products.
Suitable for high-volume production lines requiring rapid freezing.
Used in facilities producing ready meals and convenience foods.

Typical cooling capacity: For this class of IQF tunnel, cooling capacities commonly range from 500 kW to over 1000 kW, depending on product load and desired output temperature.
Refrigerant type: Units of this type frequently utilise ammonia (NH3) due to its high efficiency and thermodynamic properties.
Evaporation temperature: Freezing evaporation temperatures are typically around -40°C to achieve rapid product freezing.
Defrosting method: Commonly features hot gas defrosting, often supplemented by water spray, to minimise downtime.
Belt configuration: Many IQF systems incorporate multiple belts with independent speed control for optimised product handling and freezing.
Construction material: Units are typically constructed from stainless steel for hygiene and durability in food processing environments.
Noise level: For this equipment class, noise levels commonly fall within the 80-90 dB range during operation.
Power requirements: Total installed power for fans and auxiliary systems can typically range from 100 kW to 200 kW or more, depending on the unit's size and features.

IQF (Individual Quick Freezing) is a method of freezing food products individually, preventing them from clumping together. This preserves the product's quality, texture, and appearance.

IQF systems are highly regarded in food processing for their ability to freeze individual products uniformly whilst maintaining quality and texture. Buyers typically value machines with reliable refrigeration components and consistent belt speed control. When purchasing used equipment, inspecting freezing chamber condition, verifying temperature consistency, and checking refrigerant integrity are essential. Industry users appreciate their efficiency in handling delicate items and relatively low maintenance demands compared to alternative freezing methods.

General overview for this equipment type

Machinery Masters Intelligence. General guidance for this category of equipment only, not a substitute for the seller's exact specifications. Always confirm details with the seller.