Contents filling system and sterilization method

Abstract

To provide a content filling system and a sterilization method that are capable of reducing the carbon dioxide emission.SOLUTION: A content filling system 10 comprises: a water sterilization line 50 for subjecting water to non-heat sterilization; a stock solution sterilization line 70 for subjecting a product stock solution to heat sterilization; and a filling device 20 connected to the water sterilization line 50 and the stock solution sterilization line 70, and configured to fill a bottle 100 with water and the product stock solution.SELECTED DRAWING: Figure 1

Claims

1. A water sterilization line having a water sterilizer that sterilizes water without heating, and a tank for storing the water sterilized by the water sterilizer, A raw material sterilization line that heat-sterilizes the product raw material, A filling device connected to the water sterilization line and the stock solution sterilization line, respectively, for filling containers with water and the product stock solution, The system includes a control unit that controls the water sterilization line, The water sterilizer includes a sterile filter in which the filtration membrane is a UF membrane. A circulation line is connected to the upstream side of the tank, thereby forming a circulation system that includes the water sterilizer and the circulation line. The control unit, when the tank becomes full of water while product bottles are being produced in the contents filling system, circulates the sterilized water within the circulation system without supplying it to the tank.

2. The contents filling system according to claim 1, wherein the water sterilizer is provided upstream or downstream of the sterile filter and further includes a sterilizer for sterilizing the water.

3. The contents filling system according to claim 2, wherein the sterilizer sterilizes the water by ultraviolet light.

4. The contents filling system according to claim 1, wherein the volume of the tank is equal to or greater than the amount of water used in the contents filling system when producing product containers for one hour.

5. The volume of the aforementioned tank is 5 m³ ３ Over 50m ３ The contents filling system according to claim 4, which is as follows:

6. The contents filling system according to claim 1, wherein the control unit sterilizes the sterile filter with steam or hot water.

7. The contents filling system according to claim 2, wherein the water sterilizer includes a plurality of sterile filters and a plurality of sterilizers.

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