Alfa Laval Plate Heat Exchanger M10-MFHC

Pasteurizers and Other Heaters Cleaning

Close the valves and isolate the heat exchanger from the rest of the system

Remove the protective sheets, if any

Dismantle pipes from the pressure plate and the connections plate(s)

Inspect the sliding surfaces of the carrying bar and wipe clean

Mark the plate assembly on the outside by a diagonal line

Measure and note down the dimension A

Ensure all plates and gaskets are properly installed

Verify that the media side to be tested is closed

Ensure the other media side is open to the atmosphere

Enter the operating pressure of the unit

Is the pressure within the design pressure limit as stated on the name plate?

Perform pressure test on the closed media side

Did the pressure test confirm internal and external tightness?

High Content of Insoluble Components Cleaning

Preparation of Cleaning Solutions

Dissolve 1 kg of NaOH in 100 litres of water or mix 2.2 litres of 33% NaOH solution in 100 litres of water.

Mix 0.7 litres of 53% HNO3 in 100 litres of water.

Is the CIP flow rate at least the same as the production flow rate?

Is the flow rate increased for milk sterilisation or processing of viscous liquids?