| 发明名称 |
METHOD AND APPARATUS FOR CLEANING HOT-DIP GALVANIZED STEEL SHEET |
| 摘要 |
<p>Cleaning of a hot dip galvanized steel sheet is conducted by bringing a strip-shaped steel sheet which was treated by surface oxidation in advance into contact with a cleaning liquid for 1 second or more, and then bringing the hot dip galvanized steel sheet into contact with pure water, while continuously transferring the hot dip galvanized steel sheet. The method allows efficiently and fully washing off the acidic solution adhered to the surfaces of the hot dip galvanized steel sheet treated by surface oxidation. The invention also provides an apparatus for cleaning the hot dip galvanized steel sheet to carry out the above cleaning method.</p> |
| 申请公布号 |
EP1959032(A4) |
申请公布日期 |
2010.01.06 |
| 申请号 |
EP20070707552 |
申请日期 |
2007.01.22 |
| 申请人 |
JFE STEEL CORPORATION |
发明人 |
YONEDA, SATOSHI;SUGANO, TAKAHIRO |
| 分类号 |
C23G1/02;B05C11/10;B08B3/02;B08B3/04;B21B45/02;C23C22/82;C23C22/83;C23G3/02 |
主分类号 |
C23G1/02 |
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