Fluidised freezing tunnels series A




Tunnels series A – high capacity tunnels from 4300 to  10600 kg/h for green peas or 3000 to 7500 kg/h for strawberries.

Ammonia NH3 (R717) is the main refrigerant or freon in case of smaller tunnels.

In this series of tunnels we installed centrifugal fans, which significantly improve the quality of fluidization. Tunnels can be additionally equipped with  UDS (Equipment for continuous removing frost from the evaporators), which significantly extends the operating cycle of the tunnel between defrostings.

As standard execution you will find pulsator, which supports fluidisation effect and improves quality of frozen product (IQF) and also external system of washing the first belt.

Washing system of the first belt can be activated by operator at any time. System can operate periodically or in automatic cycle.


Basic technical data


Technical parameters Series A (model)
TZF - 2A TZF - 3A TZF - 4A TZF - 5A
Refrigerant NH3 (R717)
Circulation of  NH3 (R717) Pump system, bottom feed,
recirculation ratio 4-6
Evaporation temperature[°C] -40°C
Evaporators defrosting for NH3 Hot gas NH3 + water spray
Freezing time adjustment   [min] 8÷42
Power supply 3x400V /50Hz
Consumtion of compressed air for UDS – dry air 1,5m3
/min
7,5
bar
1,5m3
/min
7,5
bar
2,6m3
/min
7,5
bar
3m3
/min
7,5
bar
Tunnel width [m] 4,92
Tunnel height [m] 4,50
Length of the pannels [m] 9,25 12,25 16,97 19,97
Total length of the tunnel [m] 11,3 14,3 19,02 22,18



Capacity table in the range
from  +20°C to -18°C kg/h for fruits
and   +15°C to -18°C for vegetables


Products Series A (model)
TZF-2A TZF-3A TZF-4A TZF-5A
VEGETABLES
Green peas 4300 6400 8500 10600
Broccoli cut 30mm 3000 4500 6000 7500
Brussels sprouts 3450 5100 6800 8500
Onion diced 10 mm 2600 3850 5100 6400
Green bean 3450 5100 6800 8500
Cauliflower florets 20-50mm 3000 4500 6000 7000
Sweet corn cut 3900 5800 7600 9500
Carrot diced 10 mm 3450 5100 6800 8500
FRUITS
Gooseberry 3250 4800 6400 8000
Blueberries 3000 4500 6000 7500
Apple diced 13 mm 3000 4500 6000 7500
Raspberries 2600 3850 5100 6400
Currants 3250 4800 6400 8000
Plums 2600 3850 5100 6400
Cherries 3000 4500 6000 7500
Strawberries 3000 4500 6000 7500