DE1621558C3 - - Google Patents
Info
- Publication number
- DE1621558C3 DE1621558C3 DE19511621558 DE1621558A DE1621558C3 DE 1621558 C3 DE1621558 C3 DE 1621558C3 DE 19511621558 DE19511621558 DE 19511621558 DE 1621558 A DE1621558 A DE 1621558A DE 1621558 C3 DE1621558 C3 DE 1621558C3
- Authority
- DE
- Germany
- Prior art keywords
- scale
- metal
- bath
- pickling
- treatment
- 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.)
- Expired
Links
- 238000005554 pickling Methods 0.000 claims description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 5
- 150000004678 hydrides Chemical class 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 239000012312 sodium hydride Substances 0.000 claims description 3
- 229910000104 sodium hydride Inorganic materials 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 2
- 229910001948 sodium oxide Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 5
- 238000004140 cleaning Methods 0.000 claims 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 4
- 239000000203 mixture Substances 0.000 claims 4
- 238000010791 quenching Methods 0.000 claims 3
- 230000000171 quenching effect Effects 0.000 claims 3
- 238000002844 melting Methods 0.000 claims 2
- 230000008018 melting Effects 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims 1
- 238000005452 bending Methods 0.000 claims 1
- 238000005422 blasting Methods 0.000 claims 1
- 230000001680 brushing effect Effects 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000007598 dipping method Methods 0.000 claims 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 235000021110 pickles Nutrition 0.000 claims 1
- 235000011118 potassium hydroxide Nutrition 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000003518 caustics Substances 0.000 description 2
- 230000009189 diving Effects 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- WTDHULULXKLSOZ-UHFFFAOYSA-N hydroxylamine hydrochloride Substances Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 description 1
- WCYJQVALWQMJGE-UHFFFAOYSA-M hydroxylammonium chloride Chemical compound [Cl-].O[NH3+] WCYJQVALWQMJGE-UHFFFAOYSA-M 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
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
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/28—Cleaning or pickling metallic material with solutions or molten salts with molten salts
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19511621558 DE1621558A1 (de) | 1951-01-28 | 1951-01-28 | Verfahren zur Entfernung von Zunder von stark verzunderten Metalloberflaechen |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19511621558 DE1621558A1 (de) | 1951-01-28 | 1951-01-28 | Verfahren zur Entfernung von Zunder von stark verzunderten Metalloberflaechen |
| DED0051764 | 1966-12-13 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1621558A1 DE1621558A1 (de) | 1971-05-06 |
| DE1621558B2 DE1621558B2 (enrdf_load_html_response) | 1973-09-27 |
| DE1621558C3 true DE1621558C3 (enrdf_load_html_response) | 1974-05-16 |
Family
ID=25753800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19511621558 Granted DE1621558A1 (de) | 1951-01-28 | 1951-01-28 | Verfahren zur Entfernung von Zunder von stark verzunderten Metalloberflaechen |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1621558A1 (enrdf_load_html_response) |
-
1951
- 1951-01-28 DE DE19511621558 patent/DE1621558A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE1621558B2 (enrdf_load_html_response) | 1973-09-27 |
| DE1621558A1 (de) | 1971-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |