| 摘要 |
PROBLEM TO BE SOLVED: To reduce usage of fuel in a boiler by reducing an amount of blow discharged from the boiler.SOLUTION: This boiler feedwater purification device purifies boiler feedwater fed to the boiler 6, and includes a water purifying device 1 for purifying the treated water to obtain the pure water, and a polisher device 2 through which the treated water purified by passing through the water purifying device 1 to be the pure water, passes. In the polisher device 2, an anion exchange resin 21 and a cation exchange resin 22 are arranged in series. |
