| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus and a carbonic acid gas dissolving method which allow low-cost production and, moreover, manufacture massive carbonated hot water with a stable dissolving efficiency. SOLUTION: This carbonated water manufacturing apparatus is provided with water passages which are branched in a plurality and respectively have carbonic acid gas dissolving elements 1, a carbonic acid gas addition ports 2 which are disposed on the upstream of the carbonic acid gas dissolving elements 1 and a confluence part 5 which allows the water passages to flow together. Therein, even when the treating quantity of water is varied, the number of water passages to be used is increased or decreased, thereby, the quantity of water flowing through each water passage can be kept within a specified range and, therefore, the dissolving efficiency can be maintained in a high level.
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