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EA200400008A1 - 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

Info

Publication number
EA200400008A1
EA200400008A1 EA200400008A EA200400008A EA200400008A1 EA 200400008 A1 EA200400008 A1 EA 200400008A1 EA 200400008 A EA200400008 A EA 200400008A EA 200400008 A EA200400008 A EA 200400008A EA 200400008 A1 EA200400008 A1 EA 200400008A1
Authority
EA
Eurasian Patent Office
Prior art keywords
steel
austenitic
semi
sulfuric acid
protection against
Prior art date
Application number
EA200400008A
Other languages
English (en)
Other versions
EA006778B1 (ru
Inventor
Карл-Хайнц Даум
Вольф Христоф Раузер
Никола Анастасиевич
Вольфрам Шальк
Штефан Лаибах
Херберт Шнаубельт
Original Assignee
Оутокумпу Ойй
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Оутокумпу Ойй filed Critical Оутокумпу Ойй
Publication of EA200400008A1 publication Critical patent/EA200400008A1/ru
Publication of EA006778B1 publication Critical patent/EA006778B1/ru

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)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Spark Plugs (AREA)

Abstract

Данное изобретение относится к способу защиты от коррозии стальных деталей, изготовленных из аустенитной или полуаустенитной стали, во время получения серной кислоты. Для улучшения коррозионной стойкости стальных деталей, которые находятся в контакте с серной кислотой, предлагается использовать аустенитную или полуаустенитную сталь, содержание Cr в которой находится в диапазоне от 15 до 31 мас.%, а содержание Ni находится в диапазоне от 9 до 60 мас.% и где отношение количеств химических элементов (Cr + Si)/(Ni + Mo) находится в диапазоне от 0,9 до 1,9 или где отношение количеств химических элементов Cr/(Ni + Mo) находится в диапазоне от 0,8 до 1,5, и дополнительно обеспечить данной стальной детали защиту от анодной коррозии.Международная заявка была опубликована вместе с отчетом о международном поиске.
EA200400008A 2001-06-08 2002-05-28 Способ защиты от коррозии стальной детали, изготовленной из аустенитной или полуаустенитной стали, во время получения серной кислоты EA006778B1 (ru)

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 true EA200400008A1 (ru) 2004-04-29
EA006778B1 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 (ru)
EP (1) EP1409756B1 (ru)
JP (1) JP2004529274A (ru)
KR (1) KR20040023612A (ru)
AT (1) ATE340274T1 (ru)
DE (2) DE10128032A1 (ru)
EA (1) EA006778B1 (ru)
ES (1) ES2272733T3 (ru)
MX (1) MXPA03011234A (ru)
PE (1) PE20030023A1 (ru)
WO (1) WO2002101106A1 (ru)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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
CN118979223B (zh) * 2024-08-07 2025-10-17 国科大杭州高等研究院 一种CrSi电阻薄膜的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP1409756A1 (en) 2004-04-21
US20040238375A1 (en) 2004-12-02
DE60214859D1 (de) 2006-11-02
WO2002101106A1 (en) 2002-12-19
DE10128032A1 (de) 2002-12-12
PE20030023A1 (es) 2003-02-03
ATE340274T1 (de) 2006-10-15
JP2004529274A (ja) 2004-09-24
ES2272733T3 (es) 2007-05-01
KR20040023612A (ko) 2004-03-18
EP1409756B1 (en) 2006-09-20
EA006778B1 (ru) 2006-04-28
MXPA03011234A (es) 2004-02-26
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