Sterile carbonated beverage filling system and sterile carbonated beverage filling method

A sterile carbonated beverage filling method, comprising:

• a sterilization step of sterilizing a raw material liquid in a beverage sterilizing section to prepare a sterilized beverage;
• a cooling step of cooling the sterilized beverage, prepared by the beverage sterilizing section, in a beverage cooling section;
• a carbonated beverage producing step of injecting carbonic acid gas into the sterilized beverage, cooled by the beverage cooling section, in a carbonated beverage producing section to prepare a sterile carbonated beverage;
• and
• a filling step of filling the sterile carbonated beverage, prepared by the carbonated beverage producing section, into a bottle in a carbonated beverage filling section,
• wherein the beverage sterilizing section, the beverage cooling section, the carbonated beverage producing section, and the carbonated beverage filling section are connected by a beverage supply pipeline,
• at least one of the carbonated beverage filling section and the beverage supply pipeline comprises a rotary machine having a rotating body and a non-rotating body, and
• a boundary surface between the rotating body and the non-rotating body is sealed with sterile water or sterile air.