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06/02/2008
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About cleaning the milk cooling tank
Why clean it?
Thoroughly cleaning and disinfecting the tank guarantees:
Hygienic storage and therefore higher quality milk.
A longer life of the system.
Automatic cleaning system
It is difficult or impossible to manually clean a closed tank. That is why closed tanks are always fitted with
automatic cleaning systems. The automatic cleaning system:
Removes all traces of milk from the tank.
Removes milk stone from the tank walls (with an acid cleaning agent).
Disinfects the tank.
When to clean
You must clean the tank before you put fresh milk in it:
After every collection.
If you have not used the tank for a week or more.
Operation of the automatic cleaning system
The tank is cleaned in phases, each phase using an amount of water equal to 1% of the tank content, with a
minimum of 25 litres.
Phase
Description
1*
A first pre-rinse with cold water removes the remains of milk.
If your system has a second outlet valve, the rinse water is discharged separately.
2
A second pre-rinse with hot water removes remains of milk and preheats the tank.
3
The main cleaning is carried out with hot water and the cleaning agent of your choice.
This treatment gives you a clean and hygienic tank.
4*
The tank is rinsed first time with cold water.
5
Second rinsing is again with cold water. This phase is made redundant by the ECO-WASH.
* With ECO-WASH these two phases are pump flushes. The cleaning pump is turned off and on several
times. There are 2 cold pre-rinse flushes and 3 after rinse flushes. Each flush uses approximately 20 litres of
water.
