Method for the cleaning and washing in situ of pressurized machines for the production of soft type ice cream

A method for the cleaning and washing in situ of the pressurized machines for the production of soft type ice creams characterized in that it includes the following steps:

• a) Emptying of the ice cream contained in the freezing cylinder of the machine;
• b) Removal of the liquid ice-cream mix container from the liquid ice-cream mix feeding circuit, and insertion into said circuit of a container containing hot water with a restrained lather light detergent dissolved in;
• c) Starting up of the cleaning step, including a succession of water and detergent introductions into the freezing cylinder with steps of shaking and following openings of the ice cream extraction tap for the draining of the washing liquid;
• d) Introduction of pressurized air into the freezing cylinder for a few seconds in order to greatly reduce the amount of remaining water in the plant;
• e) Repetition of the steps (c) and (d) for two or three more times;
• f) Replacement of the container containing water and detergent with a container containing water and sanitizer;
• g) Repetition of the steps (c) and (d) with water and sanitizer instead of water and detergent.