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What cooling tunnel length is needed for 20 minutes

Set the mould pitch, feed rate and cooling time to get the tunnel length and the number of moulds in it at once.

Parameters

Result

Approximate calculation using a simplified model: for designing equipment and process modes, consult a technologist.

Calculation example

Cavities per mould
24 pcs
Moulds per minute
6 pcs
Mass of one piece
100 g
Mould pitch on the belt
0,30 m
Cooling time in the tunnel
20 min
Mass temperature at filling
31 °C
Product temperature at tunnel exit
14 °C
Chocolate fat content
33 %
Line efficiency
85 %
Shift duration
8 h
Pieces per hour
7 344 pcs
Chocolate per hour
734,4 kg
Chocolate per shift
5 875 kg
Belt speed
1,80 m/min
Cooling tunnel length
36,0 m
Moulds in the tunnel at once
120 pcs
Tunnel cooling load
14,0 kW

Frequently asked questions

Can the tunnel be shortened?
Yes, by lowering the air temperature or raising air speed, but cooling too sharply causes bloom and cracks.

The calculations are approximate: they help to assess the process and compare options, but do not replace a process design and trials on a specific raw material. This section is for reference only and contains no commercial offers.