ES2075655T3 - Procedimiento de decapado de un material de acero dulce y baño de decapado. - Google Patents
Procedimiento de decapado de un material de acero dulce y baño de decapado.Info
- Publication number
- ES2075655T3 ES2075655T3 ES92403104T ES92403104T ES2075655T3 ES 2075655 T3 ES2075655 T3 ES 2075655T3 ES 92403104 T ES92403104 T ES 92403104T ES 92403104 T ES92403104 T ES 92403104T ES 2075655 T3 ES2075655 T3 ES 2075655T3
- Authority
- ES
- Spain
- Prior art keywords
- stripping
- pickling
- bath
- temperature
- steel material
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 4
- 239000000463 material Substances 0.000 title abstract 3
- 238000005554 pickling Methods 0.000 abstract 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 239000001117 sulphuric acid Substances 0.000 abstract 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract 2
- -1 Fe(II) ions Chemical class 0.000 abstract 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 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
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
-
- 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
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/081—Iron or steel solutions containing H2SO4
-
- 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
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
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
LA INVENCION SE REFIERE A UN PROCESO DE DECAPADO DE UN MATERIAL DE ACERO DULCE, QUE CONSISTE EN ELIMINAR LA CALAMINA FORMADA DURANTE UNA OPERACION DE TRANSFORMACION EN CALIENTE SUMERGIENDO DICHO MATERIAL A UNA TEMPERATURA DETERMINADA EN UN BAÑO DE DECAPADO QUE COMPRENDE UNA MEZCLA DE ACIDO SULFURICO/ACIDO CLORHIDRICO E IONES FE (II), CARACTERIZADO EN QUE SE DETERMINA UN PAR DE CONCENTRACION A EN ACIDO SULFURICO Y DE CONCENTRACION B EN ACIDO CLORHIDRICO, PROCURANDO UN TIEMPO DE DECAPADO OPTIMO, PARA AL MENOS UNA CONCENTRACION DE IONES FE (II) Y AL MENOS UNA TEMPERATURA DETERMINADAS, OBTENIENDOSE EL TIEMPO OPTIMO DE DECAPADO COMO UNA RESPUESTA OPTIMIZADA POR EL METODO DEL SIMPLEX, COMPARANDO LOS VALORES DEL TIEMPO DE DECAPADO OBTENIDOS, PARA VALORES SUCESIVOS DE A Y B, A Y B CONSIDERADOS COMO VARIABLES, MIENTRAS QUE LA CONCENTRACION DE IONES FE (I) Y LA TEMPERATURA SON CONSTANTES. LA INVENCION SE REFIERE TAMBIEN A UN BAÑO DE DECAPADO ASI COMO A UNA INSTALACION PARA LA APLICACION DEL PROCESO DE LA INVENCION.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR919114309A FR2683832B1 (fr) | 1991-11-20 | 1991-11-20 | Procede de decapage de materiau en acier doux et notamment de toles, bain et installation de decapage. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2075655T3 true ES2075655T3 (es) | 1995-10-01 |
Family
ID=9419144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES92403104T Expired - Lifetime ES2075655T3 (es) | 1991-11-20 | 1992-11-18 | Procedimiento de decapado de un material de acero dulce y baño de decapado. |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0543729B1 (es) |
| JP (1) | JP3135720B2 (es) |
| KR (1) | KR930010233A (es) |
| AT (1) | ATE125578T1 (es) |
| CA (1) | CA2083337C (es) |
| DE (1) | DE69203698T2 (es) |
| ES (1) | ES2075655T3 (es) |
| FR (1) | FR2683832B1 (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294295C (zh) * | 2004-05-17 | 2007-01-10 | 文锐君 | 热轧钢板清洗剂 |
| RU2415201C1 (ru) * | 2009-10-23 | 2011-03-27 | Станислав Алексеевич Суворов | Средство для удаления продуктов коррозии с поверхности металлов |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE429590A (es) * | 1937-08-21 | |||
| US2927871A (en) * | 1956-03-26 | 1960-03-08 | Bethlehem Steel Corp | Control of pickling baths |
| US3074277A (en) * | 1958-03-20 | 1963-01-22 | Inland Steel Co | Method and apparatus for automatic control of acid concentration in pickling system |
| GB1362910A (en) * | 1971-06-30 | 1974-08-07 | Ibm | Data processing system for finding optimum integer-valued solutions of linear programmes |
| EP0047724A1 (en) * | 1980-09-09 | 1982-03-17 | Boliden Aktiebolag | A method of controlling or regulating the composition of pickling bath solutions for acid pickling metallic materials |
| SU1135807A1 (ru) * | 1983-07-29 | 1985-01-23 | Днепропетровский Металлургический Институт Им.Л.И.Брежнева | Раствор дл удалени окалины с поверхности металла |
| SU1310773A1 (ru) * | 1986-02-10 | 1987-05-15 | Кузнецкий металлургический комбинат им.В.И.Ленина | Система автоматической оптимизации |
| DD265029A1 (de) * | 1987-11-25 | 1989-02-15 | Dresden Forschzentr Mikroelek | Verfahren zur laserinterferometrischen kontrolle der aetztiefe bei plasmaaetzprozessen |
-
1991
- 1991-11-20 FR FR919114309A patent/FR2683832B1/fr not_active Expired - Fee Related
-
1992
- 1992-11-18 AT AT92403104T patent/ATE125578T1/de not_active IP Right Cessation
- 1992-11-18 ES ES92403104T patent/ES2075655T3/es not_active Expired - Lifetime
- 1992-11-18 DE DE69203698T patent/DE69203698T2/de not_active Expired - Fee Related
- 1992-11-18 EP EP92403104A patent/EP0543729B1/fr not_active Expired - Lifetime
- 1992-11-19 KR KR1019920021821A patent/KR930010233A/ko not_active Withdrawn
- 1992-11-19 CA CA002083337A patent/CA2083337C/fr not_active Expired - Fee Related
- 1992-11-20 JP JP04312142A patent/JP3135720B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0543729B1 (fr) | 1995-07-26 |
| DE69203698D1 (de) | 1995-08-31 |
| EP0543729A1 (fr) | 1993-05-26 |
| DE69203698T2 (de) | 1996-03-21 |
| CA2083337C (fr) | 2002-12-31 |
| KR930010233A (ko) | 1993-06-22 |
| CA2083337A1 (fr) | 1993-05-21 |
| JP3135720B2 (ja) | 2001-02-19 |
| FR2683832A1 (fr) | 1993-05-21 |
| ATE125578T1 (de) | 1995-08-15 |
| JPH05239675A (ja) | 1993-09-17 |
| FR2683832B1 (fr) | 1994-03-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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