| 摘要 |
PROBLEM TO BE SOLVED: To provide a feeding method of a corrosion inhibitor in which the corrosion inhibitor necessary for the corrosion prevention of steam piping and/or condensate piping can be fed without uselessness and a trouble upon controlling a water level is not generated. SOLUTION: In a boiler device provided with the condensate piping 5, the corrosion inhibitor is fed to the steam piping 3 or the condensate piping 5.
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