EA006778B1 - Способ защиты от коррозии стальной детали, изготовленной из аустенитной или полуаустенитной стали, во время получения серной кислоты - Google Patents
Способ защиты от коррозии стальной детали, изготовленной из аустенитной или полуаустенитной стали, во время получения серной кислоты Download PDFInfo
- Publication number
- EA006778B1 EA006778B1 EA200400008A EA200400008A EA006778B1 EA 006778 B1 EA006778 B1 EA 006778B1 EA 200400008 A EA200400008 A EA 200400008A EA 200400008 A EA200400008 A EA 200400008A EA 006778 B1 EA006778 B1 EA 006778B1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- range
- sulfuric acid
- austenitic
- steel
- steel part
- Prior art date
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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/005—Anodic protection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/004—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using protective electric currents, voltages, cathodes, anodes, electric short-circuits
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Prevention Of Electric Corrosion (AREA)
- Spark Plugs (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10128032A DE10128032A1 (de) | 2001-06-08 | 2001-06-08 | Verfahren zum Schutz gegen Korrossion eines Stahlteils aus austenitischem oder halbaustenitischem Stahl bei der Herstellung von Schwefelsäure |
PCT/EP2002/005842 WO2002101106A1 (en) | 2001-06-08 | 2002-05-28 | Method for the protection against corrosion of a steel part made of austenitic or semi-austenitic steel during the production of sulfuric acid |
Publications (2)
Publication Number | Publication Date |
---|---|
EA200400008A1 EA200400008A1 (ru) | 2004-04-29 |
EA006778B1 true EA006778B1 (ru) | 2006-04-28 |
Family
ID=7687749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA200400008A EA006778B1 (ru) | 2001-06-08 | 2002-05-28 | Способ защиты от коррозии стальной детали, изготовленной из аустенитной или полуаустенитной стали, во время получения серной кислоты |
Country Status (11)
Country | Link |
---|---|
US (1) | US20040238375A1 (es) |
EP (1) | EP1409756B1 (es) |
JP (1) | JP2004529274A (es) |
KR (1) | KR20040023612A (es) |
AT (1) | ATE340274T1 (es) |
DE (2) | DE10128032A1 (es) |
EA (1) | EA006778B1 (es) |
ES (1) | ES2272733T3 (es) |
MX (1) | MXPA03011234A (es) |
PE (1) | PE20030023A1 (es) |
WO (1) | WO2002101106A1 (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110041515A1 (en) * | 2007-10-18 | 2011-02-24 | Michael Lee Fraim | High Efficiency, Corrosion Resistant Heat Exchanger and Method of Use Thereof |
DE102010006541B4 (de) * | 2010-02-01 | 2016-03-17 | Outotec Oyj | Verfahren und Anlage zum Abkühlen von Säure |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0018124A1 (en) * | 1979-04-02 | 1980-10-29 | Monsanto Company | Anodically passivated vessel and method of passivating it |
CA1199305A (en) * | 1982-01-21 | 1986-01-14 | C-I-L Inc. | Anodic protection system and method |
US5028396A (en) * | 1982-06-11 | 1991-07-02 | Chemetics International Company, Ltd. | Apparatus formed of high silicon chromium/nickel in steel in the manufacture of sulpheric acid |
US4576813A (en) * | 1983-07-05 | 1986-03-18 | Monsanto Company | Heat recovery from concentrated sulfuric acid |
DE4342188C2 (de) * | 1993-12-10 | 1998-06-04 | Bayer Ag | Austenitische Legierungen und deren Verwendung |
DE19807632A1 (de) * | 1998-02-23 | 1999-09-02 | Bayer Ag | Vorrichtung zum Konzentrieren und Reinigen von Schwefelsäure |
-
2001
- 2001-06-08 DE DE10128032A patent/DE10128032A1/de not_active Withdrawn
-
2002
- 2002-05-28 JP JP2003503852A patent/JP2004529274A/ja active Pending
- 2002-05-28 EP EP02743117A patent/EP1409756B1/en not_active Expired - Lifetime
- 2002-05-28 KR KR10-2003-7016039A patent/KR20040023612A/ko not_active Application Discontinuation
- 2002-05-28 DE DE60214859T patent/DE60214859T2/de not_active Expired - Lifetime
- 2002-05-28 AT AT02743117T patent/ATE340274T1/de not_active IP Right Cessation
- 2002-05-28 MX MXPA03011234A patent/MXPA03011234A/es active IP Right Grant
- 2002-05-28 ES ES02743117T patent/ES2272733T3/es not_active Expired - Lifetime
- 2002-05-28 WO PCT/EP2002/005842 patent/WO2002101106A1/en active IP Right Grant
- 2002-05-28 US US10/479,304 patent/US20040238375A1/en not_active Abandoned
- 2002-05-28 EA EA200400008A patent/EA006778B1/ru not_active IP Right Cessation
- 2002-06-07 PE PE2002000475A patent/PE20030023A1/es not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
PE20030023A1 (es) | 2003-02-03 |
US20040238375A1 (en) | 2004-12-02 |
EP1409756B1 (en) | 2006-09-20 |
MXPA03011234A (es) | 2004-02-26 |
EP1409756A1 (en) | 2004-04-21 |
WO2002101106A1 (en) | 2002-12-19 |
ATE340274T1 (de) | 2006-10-15 |
KR20040023612A (ko) | 2004-03-18 |
EA200400008A1 (ru) | 2004-04-29 |
JP2004529274A (ja) | 2004-09-24 |
DE10128032A1 (de) | 2002-12-12 |
DE60214859D1 (de) | 2006-11-02 |
ES2272733T3 (es) | 2007-05-01 |
DE60214859T2 (de) | 2007-04-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC1A | Registration of transfer to a eurasian application by force of assignment | ||
MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ BY KG MD TJ TM |
|
TC4A | Change in name of a patent proprietor in a eurasian patent | ||
MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): KZ RU |