During each use of beer brite tank, a large number of attachments are often formed on the sidewall of the top of the fermenting tank, which is also the breeding ground of microorganisms. Therefore, it is necessary to ensure the cleaning of the fermenter, and the cleaning process is as follows:
1. After using the beer brite tank, rinse it with clean water and rinse it with clean water for about 20 minutes. The discharged water shall be clean and free of residue.
2, with the temperature of 80~85℃, the concentration of 4% sodium hydroxide solution CIP cycle for about 30 minutes;
3. Rinse the fermenter with sterile water for 20-30min;
4, with the concentration of 200ppm chlorine dioxide solution or concentration of 2 formaldehyde aqueous solution for CIP cycle for 30~40 minutes;
5. Before the beer brite tank is put into the beer brite tank, the water at 85~90℃ is pumped from the cone bottom of the fermenting tank to the exhaust pipe for discharge. After soaking for 30~40 minutes, the water is removed, and the temperature is lowered to 8~9℃ for use.
At the same time, in order to ensure the good sanitary effect of the beer brite tank, it should be entered into the fermenter through the manhole every two months, and the dead corners and residues on the top should be thoroughly cleaned.
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