Cleaning, descaling and disinfecting method for e.g. wine barrel, involves completing cleaning of barrel by germicidal ultrasonic or UV-C rays, and performing rinsing and draining, sulfur dioxide blanketing and watertight closing of barrel

摘要

The method involves drilling the bottom of a cask or a barrel to be treated. Internal cleaning of the cask or the barrel is carried out by injection of water having a temperature of 40 to 90 degree Celsius and a high or medium pressure of 50 to 170 bars, using a water-jet pipe with a bent angle of 45 to 90 degree. The internal cleaning of the cask or the barrel is completed by germicidal ultrasonic or UV-C rays. The cask or the barrel is rinsed and drained. Sulfur dioxide blanketing of the cask or the barrel is carried out. The cask or the barrel is closed in a watertight manner.