| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a treatment method for boiler feed water wherein condensed water of steam generated from a boiler satisfies a water quality standard of tap water without adding chemicals such as a deoxidizer or an anticorrosive to boiler water, and corrosion of the boiler can be effectively prevented. <P>SOLUTION: In the chemical-free boiler, the treatment method for the boiler feed water is characterized by that pH of the boiler water is controlled by mixing softening water in pure water to be used as the boiler feed water, and since obtained steam does not contain impurities, it can be directly blown into a product to carry out sterilization and heating. <P>COPYRIGHT: (C)2008,JPO&INPIT |
