| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a neutralizing method and a neutralizing device for neutral izing high alkalinity of boiler discharge water at a low cost without using a neutralizer and discharging it to a public water area. SOLUTION: In the neutralizing method of the boiler discharge water, a portion of waste gas generating from combustion of a boiler is introduced into the boiler discharge water discharged from the boiler and then the boiler discharge water is neutralized with the waste gas. Also, the neutralizing device of the boiler discharge water is provided with a neutralizing tank for introducing the boiler discharge water and discharging it after the neutralization, and a gas blast and introduction device for sucking the waste gas generating from combustion of the boiler and feeding it to the neutralizing tank.</p> |
