GAS-DISSOLVED WATER SUPPLY SYSTEM

摘要

Provided is a gas-dissolved water supply system which can produce gas-dissolved water of high density efficiently and which can circulate and supply the water to a use point. A reserving bath (1) is fed with waste water (or rinsing waste water), after the object to be rinsed was rinsed with water containing a dissolved gas (oxygen), via a pipeline (15), and reserves that waste water, and the supply water is fed via a supply water pipeline (1a). The water of the reserving bath (1) is fed to a purifying device (4) through a forced feed pump (2) and a heat exchanger (3) for keeping the water temperature constant. The water, which is cleared of a foreign substance by the purifying device (4), is fed through a flow meter (5) to a degassing device (6). After this, the gas is dissolved by a gas dissolving device (7), and the water is fed, after chemical was added thereto, to a use point.