During the manufacture of ready-made meals products often have to be mixed. The product is warmed by the mixing and chopping process. In order to compensate for this heat and /or to cool the product, mixers are equipped with cooling systems. These systems vary between direct and indirect cooling.
Cooling with a cryogenic medium is particularly advantageous, especially with liquid nitrogen or liquid CO2
- Very rapid cooling of product through direct introduction of cooling medium into the mixer
- Optimum utilisation of the cooling medium through direct contact with product (large heat exchange surface)
- Simple assembly of coolant supply onto mixer
- No dilution of the product due to cooling water/ chipped ice
For direct gas input through the mixer bottom, Messer has developed the so-called Clapet nozzles.
Crogenic cooling medium can be added precisely using Messer’s Variomix Process.