发明名称 |
BOIRAYOKANNAISHORIZAISOSEIBUTSU |
摘要 |
PURPOSE:To obtain a composition for treating an inner surface of a boiler drum comprising one or more components which can form a firm corrosion- resistant film on that surface. CONSTITUTION:The title composition comprises at least one member selected from the group consisting of an organic polybasic acid and a salt thereof, a hydroxide of an alkali metal and hydrazine hydrate. The corrosion of a boiler body and the deposition of scale thereon can be prevented only by mixing it with boiler water in a given amount. |
申请公布号 |
JP2649107(B2) |
申请公布日期 |
1997.09.03 |
申请号 |
JP19910068871 |
申请日期 |
1991.03.08 |
申请人 |
MIURA KOGYO KK |
发明人 |
SHIRAISHI HITOSHI;NAKAJIMA JUNICHI |
分类号 |
C11D7/60;C02F1/58;C02F5/10;C23F11/12;C23F11/14;C23F11/18;(IPC1-7):C23F11/12 |
主分类号 |
C11D7/60 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|