DE3631389A1 - Verfahren zur anreicherung der atmosphaere von oefen zur thermo-chemischen behandlung von metallteilen - Google Patents
Verfahren zur anreicherung der atmosphaere von oefen zur thermo-chemischen behandlung von metallteilenInfo
- Publication number
- DE3631389A1 DE3631389A1 DE19863631389 DE3631389A DE3631389A1 DE 3631389 A1 DE3631389 A1 DE 3631389A1 DE 19863631389 DE19863631389 DE 19863631389 DE 3631389 A DE3631389 A DE 3631389A DE 3631389 A1 DE3631389 A1 DE 3631389A1
- Authority
- DE
- Germany
- Prior art keywords
- gas
- atmospheric gas
- volume
- furnaces
- atmosphere
- 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
- 238000000034 method Methods 0.000 title claims abstract description 50
- 230000008569 process Effects 0.000 title claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 5
- 239000002184 metal Substances 0.000 title claims abstract description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 69
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 42
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- ZYBWTEQKHIADDQ-UHFFFAOYSA-N ethanol;methanol Chemical compound OC.CCO ZYBWTEQKHIADDQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 238000005256 carbonitriding Methods 0.000 claims description 2
- 238000005121 nitriding Methods 0.000 claims description 2
- 239000002923 metal particle Substances 0.000 claims 1
- 238000010926 purge Methods 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 14
- 239000001294 propane Substances 0.000 description 7
- 238000000889 atomisation Methods 0.000 description 6
- 238000005255 carburizing Methods 0.000 description 5
- 238000003958 fumigation Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/20—Carburising
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR8504616A BR8504616A (pt) | 1985-09-20 | 1985-09-20 | Processo para o enriquecimento da atmosfera de fornos de tratamentos termoquimicos de pecas metalicas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3631389A1 true DE3631389A1 (de) | 1987-03-26 |
| DE3631389C2 DE3631389C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-03-08 |
Family
ID=4038665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863631389 Granted DE3631389A1 (de) | 1985-09-20 | 1986-09-16 | Verfahren zur anreicherung der atmosphaere von oefen zur thermo-chemischen behandlung von metallteilen |
Country Status (2)
| Country | Link |
|---|---|
| BR (1) | BR8504616A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| DE (1) | DE3631389A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2121006C1 (ru) * | 1993-10-28 | 1998-10-27 | Лой Термопроцесс ГмбХ | Способ отжига материала и печь для его осуществления |
| FR2939448A1 (fr) * | 2008-12-09 | 2010-06-11 | Air Liquide | Procede de production d'une atmosphere gazeuse pour le traitement des metaux. |
| EP2302081A1 (de) * | 2009-08-26 | 2011-03-30 | Ipsen International GmbH | Verfahren und Vorrichtung zur Aufbereitung von Prozessgasen für Wärmebehandlungen von metallischen Werkstoffen/Werkstücken in Industrieöfen |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19545764C2 (de) * | 1995-12-07 | 2000-02-17 | Linde Ag | Verfahren zur Schutzgaserzeugung für einen Wärmebehandlungsofen und Wärmebehandlungsanlage |
| DE202008009980U1 (de) | 2008-07-24 | 2008-10-16 | Ipsen International Gmbh | Retortenofen zur Wärmebehandlung von metallischen Werkstücken |
| DE202008011194U1 (de) | 2008-08-22 | 2008-11-06 | Ipsen International Gmbh | Retortenofen zur Wärmebehandlung von metallischen Werkstücken |
| DE202008010550U1 (de) | 2008-08-08 | 2008-10-30 | Ipsen International Gmbh | Elektrisch beheizter Retortenofen zur Wärmebehandlung von metallischen Werkstücken |
| JP5411268B2 (ja) | 2008-07-24 | 2014-02-12 | Ｉｐｓｅｎ株式会社 | 金属加工品の熱処理のためのレトルト炉 |
| DE102009014665A1 (de) | 2009-03-27 | 2010-09-30 | Ipsen International Gmbh | Arbeitsverfahren und Vorrichtung zum Be-und Entladen für einem Industrieofen wie Wärmebehandlungsofen zur Wärmebehandlung von metallischen Werkstoffen |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1106787B (de) * | 1956-04-26 | 1961-05-18 | Renault | Vorrichtung zum Speisen einer Gruppe von Waermebehandlungsoefen fuer Metalle mit Schutzgas aus Daempfen organischer Fluessigkeiten, die mit Stickstoff angereichert sind |
| DE3222322A1 (de) * | 1982-06-14 | 1983-12-15 | Linde Ag, 6200 Wiesbaden | Verfahren zum herstellen einer stickstoff und wasserstoff enthaltenden gasatmosphaere |
| EP0063655B1 (en) * | 1981-04-27 | 1986-06-18 | Air Products And Chemicals, Inc. | Process for carburizing ferrous metals |
| DE3534104C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1984-10-02 | 1988-07-14 | Aichelin Ind Comercio Fornos |
-
1985
- 1985-09-20 BR BR8504616A patent/BR8504616A/pt not_active IP Right Cessation
-
1986
- 1986-09-16 DE DE19863631389 patent/DE3631389A1/de active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1106787B (de) * | 1956-04-26 | 1961-05-18 | Renault | Vorrichtung zum Speisen einer Gruppe von Waermebehandlungsoefen fuer Metalle mit Schutzgas aus Daempfen organischer Fluessigkeiten, die mit Stickstoff angereichert sind |
| EP0063655B1 (en) * | 1981-04-27 | 1986-06-18 | Air Products And Chemicals, Inc. | Process for carburizing ferrous metals |
| DE3222322A1 (de) * | 1982-06-14 | 1983-12-15 | Linde Ag, 6200 Wiesbaden | Verfahren zum herstellen einer stickstoff und wasserstoff enthaltenden gasatmosphaere |
| DE3534104C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1984-10-02 | 1988-07-14 | Aichelin Ind Comercio Fornos |
Non-Patent Citations (1)
| Title |
|---|
| Aufsatz von U. Wyss u.a.: Voraussetzungen für die Verringerung des Gasverbrauches, HTM 35, 1980, 5, S. 230-237 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2121006C1 (ru) * | 1993-10-28 | 1998-10-27 | Лой Термопроцесс ГмбХ | Способ отжига материала и печь для его осуществления |
| FR2939448A1 (fr) * | 2008-12-09 | 2010-06-11 | Air Liquide | Procede de production d'une atmosphere gazeuse pour le traitement des metaux. |
| EP2302081A1 (de) * | 2009-08-26 | 2011-03-30 | Ipsen International GmbH | Verfahren und Vorrichtung zur Aufbereitung von Prozessgasen für Wärmebehandlungen von metallischen Werkstoffen/Werkstücken in Industrieöfen |
Also Published As
| Publication number | Publication date |
|---|---|
| BR8504616A (pt) | 1987-04-28 |
| DE3631389C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-03-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: WITTE, A., DIPL.-ING. DR.-ING. WELLER, W., DIPL.-CHEM. DR.RER.NAT. GAHLERT, S., DIPL.-WIRTSCH.-ING.DR.-ING., PAT.-ANWAELTE, 7000 STUTTGART |