PROBLEM TO BE SOLVED: To provide a carbonated spring water production device capable of producing highly concentrated carbonated spring water by increasing the concentration of carbon dioxide in a water tank with a simple structure, and capable of maintaining the highly concentrated carbonated spring water for a long time.SOLUTION: A carbonated spring water production device can produce the highly concentrated carbonated spring water by: feeding, through a tube communicating with a backflow valve 4, a carbon dioxide gas that is supplied from a carbon dioxide gas cylinder 1 to an upper tube intake port 7 and a lower tube intake port 8 which are provided in a self-suction pump 6 mixing and dissolving, with a rotary mixer 10, the water pumped up from the bottom surface of the self-suction pump 6 and the carbon dioxide gas and jetting the water, in which the carbon dioxide gas is dissolved, from a plurality of jetting holes 13 provided at a lower part and a microbubble generation nozzle 11 provided in an upper jetting hole 12.COPYRIGHT: (C)2016,JPO&INPIT【課題】 簡単な装置で、水槽内の炭酸濃度を増加させ、高濃度の炭酸泉水を製造することができるとともに、長時間に亘って維持することができる炭酸泉水製造装置を提供することを目的とする。【解決手段】 炭酸ガスボンベ1からの炭酸ガスを逆流弁4に通じたチューブで自吸式ポンプ6に設けた上部チューブ管取入口7及び下部チューブ管取入口8に送り込み、自吸式ポンプ6の底面から汲み上げた水と炭酸ガスを回転攪拌機10で混合溶解し、上部噴出孔12に設けたマイクロバブル発生ノズル11及び下部に複数個設けた噴出孔13より炭酸ガスを溶解した水を噴出することで、高濃度の炭酸泉水を製造することができる。【選択図】図1
