Alfa Laval Rotary Jet Head

Thursday, 22 December, 2016 | Supplied by: Alfa Laval Pty Ltd

When the water jet coming from a rotary jet head cleaning device hits the tank wall, it generates a force of impact (N). After impact, the jet spreads out and creates a cleaning footprint with high wall sheer stress force (Pa). As the cleaning machine is rotating in a 3D motion, the footprint is ‘moving’ around inside the tank in a predefined pattern and cleans the entire tank surface with high wall shear stress. The further away from the impact point, the less wall shear stress (mechanical action) is achieved.

The design of the Alfa Laval Rotary Jet Head means the first — out of eight — cleaning cycles is hitting the tank wall at an evenly dense cleaning pattern throughout the entire tank surface. The distance between the footprint tracks is relatively wide, but if the product is easy to clean off — such as milk or syrup — it only requires little wall shear stress to be removed. This means the pre-rinse cleaning of the tank is done using only one cleaning cycle, saving time, water and energy.

One cleaning cycle typically takes 1–3 min, and because the product is effectively removed from the tank wall, the jet will offset the second cleaning cycle, thereby minimising the distances between the jets. More cleaning cycles are needed for products that are harder to clean.

Phone: 02 8822 2700
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