IQF refrigeration system is specialized for frozen products in loose form. The moving speed of the conveyor belt can be adjusted, this also depends on the frozen product as well as the finished product requirements. The heat in contact with the frozen food is high-speed forced convection air, the temperature is only from -35 to -43 degrees Celsius in a short time, with poor heat loss thanks to the insulated chamber shell covered with two layers of stainless steel made from poyurethane.
1. Concept of IQF refrigeration system
IQF refrigeration system, also known as super-speed freezing system for bulk products The symbol IQF is the English abbreviation of Individual Quickly Freezer. This system uses conveyor belts that move at slow speeds. During transportation, products that need to be frozen will be exposed to cold air at low temperatures
IQF refrigeration system is specialized for frozen products in loose form. The moving speed of the conveyor belt can be adjusted, this also depends on the frozen product as well as the finished product requirements. The heat in contact with the frozen food is high-speed forced convection air, the temperature is only from -35 to -43 degrees Celsius in a short time, with poor heat loss thanks to the insulated chamber shell covered with two layers of stainless steel made from poyurethane.
Classification of IQF refrigeration systems has three main types as follows:
– Spiral conveyor freezing chamber, also known as Spiral IQF
– Straight conveyor freezing chamber: Straight IQF
– High-speed conveyor freezing chamber: Impingement IQF
In a workshop or factory, the IQF refrigeration system chamber is associated with other conveyors such as steaming, cooling, drying conveyors, glazing conveyors and refreezing chambers.
2. Application
IQF (Individual Quickly Freezer) refrigeration system, also known as a super-speed freezing system for bulk products.
There are types of IQF such as: IQF for freezing unshaped shrimp and seafood, use Net Belt made of stainless steel or PVC; IQF for shaped seafood or meat uses stainless steel Plate Belt; IQF for vegetables, tubers, fruits of all kinds of agricultural products, use Fluid tunnel (Fluidized bed)
In a workshop or factory, the IQF refrigeration system chamber is associated with other conveyors such as steaming, cooling, drying conveyors, glazing conveyors and refreezing chambers.
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3. Technical characteristics
This system has evaporator temperature: -40 degrees Celsius to -45 degrees Celsius, so a 2-stage, screw or piston compressor must be used.
Conveyor capacity: 600kg/hr, 1000kg/hr, 1200kg/hr, 2000kg/hr, freezing time from input to output is from 6-15 minutes.
Gas used: R22, R404a, R507, R717 (NH3)
Fluid supply type: Multi-Expension Valves or Liquid Pump
Product core temperature: -18oC
Manufacturing materials: All 304 stainless steel
Dimensions: 10,500 x 4,300 x 3,750 mm
Voltage: 380V/ 3 phase
4. Advantages
Freezing time is shortened by nearly half thanks to applying the principle of super-speed freezing.
Minimizes water loss, low product weight loss along with operating costs.
The quality of the product is high and does not deform during the freezing process.
Quick installation, complete block, can be expanded to increase capacity, can be used for both NH3 and Freon refrigeration systems.
Meets industrial hygiene standards
With our existing experience and strengths, we always best meet the needs of our customers.
In order to better serve customers, Tan Long established a service center at Ho Chi Minh City, to answer customers’ questions and requests about consulting, providing technical solutions, design and installation of industrial air conditioning systems, cold storage, and cool storage.
Any questions please contact:
Tan Long Mechanic Electric Refrgeration Joint Stock Company
Head office: 86 Dong Den, Ward 14, Tan Binh District, Ho Chi Minh City
Factory: Lot MM3-2, Road No. 04, Duc Hoa 1 Industrial Park, Duc Hoa Dong Commune, Duc Hoa District, Long An
Phone: (+84) 028 38494943 – 028 62937108
Email : info@tanlongvn.com
Website: tanlongvn.com
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