JPS5481126A - Process for continuously spray pickling steel plate - Google Patents
Process for continuously spray pickling steel plateInfo
- Publication number
- JPS5481126A JPS5481126A JP14875377A JP14875377A JPS5481126A JP S5481126 A JPS5481126 A JP S5481126A JP 14875377 A JP14875377 A JP 14875377A JP 14875377 A JP14875377 A JP 14875377A JP S5481126 A JPS5481126 A JP S5481126A
- Authority
- JP
- Japan
- Prior art keywords
- steel belt
- acid solution
- advancing direction
- steel
- injection angle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
- C23G3/023—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously by spraying
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
PURPOSE:To provide the subject process wherein the injection direction of an acid solution with respect to the advancing direction of a steel belt passing in lateral direction is set in the reverse direction at the upper surface of the steel plate and set in the same direction at the lower surface thereof. CONSTITUTION:In a case where, for example, a SUS 304 heat drawn steel strip 1 is subjected to spray pickling by nitric acid, the injection angle theta of a nozzle 3 is selected to be -5 deg. to -15 deg. at the upper surface of a steel belt 1, and the injected acid solution is caused to flow reversely the advancing direction 14 of the steel belt 1. At the lower surface of the steel belt 1 the injection angle theta' of the nozzle 5 is seleced to be +5 deg. to +30 deg., and the acid solution flows in the same direction as the advancing direction 14 of the steel belt 1. As described above, when the acid solution is injected, the acid solution flows on the steel belt 1 at the upper surface thereof while being stirred, the deteriorated solution is immediately replaced by a new solution. When the injection angle of the acid solution is selected in the positive direction at the lower surface of the steel belt 1, the acid solution is suitably developed in the advancing direction of the steel belt 1 and in a direction reverse to the advancing direction, whereby the pickling efficiency is improved.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14875377A JPS5481126A (en) | 1977-12-13 | 1977-12-13 | Process for continuously spray pickling steel plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14875377A JPS5481126A (en) | 1977-12-13 | 1977-12-13 | Process for continuously spray pickling steel plate |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5481126A true JPS5481126A (en) | 1979-06-28 |
JPS5759311B2 JPS5759311B2 (en) | 1982-12-14 |
Family
ID=15459852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14875377A Granted JPS5481126A (en) | 1977-12-13 | 1977-12-13 | Process for continuously spray pickling steel plate |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5481126A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57104671A (en) * | 1980-12-22 | 1982-06-29 | Nippon Steel Corp | Continuously spray pickling apparatus for strip |
JPS60194089A (en) * | 1984-03-13 | 1985-10-02 | Sumitomo Special Metals Co Ltd | Continuous pickling method of metal |
JPS61103617A (en) * | 1984-10-26 | 1986-05-22 | Sumitomo Metal Ind Ltd | Descaling method of steel strip |
WO1999029928A3 (en) * | 1997-12-05 | 1999-08-26 | Acciai Speciali Terni Spa | Process and apparatus for steel band spray pickling |
-
1977
- 1977-12-13 JP JP14875377A patent/JPS5481126A/en active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57104671A (en) * | 1980-12-22 | 1982-06-29 | Nippon Steel Corp | Continuously spray pickling apparatus for strip |
JPS6231073B2 (en) * | 1980-12-22 | 1987-07-06 | Nippon Steel Corp | |
JPS60194089A (en) * | 1984-03-13 | 1985-10-02 | Sumitomo Special Metals Co Ltd | Continuous pickling method of metal |
JPS61103617A (en) * | 1984-10-26 | 1986-05-22 | Sumitomo Metal Ind Ltd | Descaling method of steel strip |
JPH0242007B2 (en) * | 1984-10-26 | 1990-09-20 | ||
WO1999029928A3 (en) * | 1997-12-05 | 1999-08-26 | Acciai Speciali Terni Spa | Process and apparatus for steel band spray pickling |
Also Published As
Publication number | Publication date |
---|---|
JPS5759311B2 (en) | 1982-12-14 |
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