ZA973066B - Process for preparing a heat treatment atmosphere and method for regulating said process. - Google Patents
Process for preparing a heat treatment atmosphere and method for regulating said process.Info
- Publication number
- ZA973066B ZA973066B ZA9703066A ZA973066A ZA973066B ZA 973066 B ZA973066 B ZA 973066B ZA 9703066 A ZA9703066 A ZA 9703066A ZA 973066 A ZA973066 A ZA 973066A ZA 973066 B ZA973066 B ZA 973066B
- Authority
- ZA
- South Africa
- Prior art keywords
- heat treatment
- pressure
- atmosphere
- treatment atmosphere
- regulating
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 238000010438 heat treatment Methods 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 230000001105 regulatory effect Effects 0.000 title 1
- 239000008246 gaseous mixture Substances 0.000 abstract 3
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 238000006555 catalytic reaction Methods 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J7/00—Apparatus for generating gases
-
- 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
- C21D1/763—Adjusting the composition of the atmosphere using a catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
-
- 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
- C21D11/00—Process control or regulation for heat treatments
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Control Of Heat Treatment Processes (AREA)
- Powder Metallurgy (AREA)
- Nonmetallic Welding Materials (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Control Of Resistance Heating (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9605105A FR2747593B1 (fr) | 1996-04-23 | 1996-04-23 | Procede d'elaboration d'une atmosphere de traitement thermique et methode de regulation d'un tel procede |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA973066B true ZA973066B (en) | 1997-11-05 |
Family
ID=9491501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA9703066A ZA973066B (en) | 1996-04-23 | 1997-04-10 | Process for preparing a heat treatment atmosphere and method for regulating said process. |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5846340A (da) |
| EP (1) | EP0803581B1 (da) |
| JP (1) | JPH1046234A (da) |
| KR (1) | KR970069113A (da) |
| CN (1) | CN1078253C (da) |
| AT (1) | ATE202384T1 (da) |
| AU (1) | AU720078B2 (da) |
| CA (1) | CA2203231A1 (da) |
| DE (1) | DE69705257T2 (da) |
| DK (1) | DK0803581T3 (da) |
| ES (1) | ES2160304T3 (da) |
| FR (1) | FR2747593B1 (da) |
| PT (1) | PT803581E (da) |
| TW (1) | TW440465B (da) |
| ZA (1) | ZA973066B (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100862861B1 (ko) * | 2002-10-14 | 2008-10-09 | 주식회사 포스코 | 가열로의 혼합가스 비상공급장치 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS624439A (ja) * | 1985-07-01 | 1987-01-10 | Ngk Insulators Ltd | 雰囲気ガス製造装置 |
| FR2595801B1 (fr) * | 1986-03-12 | 1988-06-10 | Innovatique Sa | Procede et dispositif pour l'elaboration d'un melange gazeux apte a assurer une atmosphere de traitement dans un four de traitement thermochimique par bombardement ionique |
| FR2628753B1 (fr) * | 1988-03-16 | 1993-07-23 | Air Liquide | Procede et dispositif de traitement de recuit d'articles metalliques en four horizontal |
| FR2628752B1 (fr) * | 1988-03-16 | 1993-01-15 | Air Liquide | Procede et dispositif de traitement de recuit de bandes metalliques en four vertical |
| IT1229078B (it) * | 1988-03-16 | 1991-07-18 | Air Liquide | Procedimento e dispositivo di trattamento di ricottura di articoli metallici. |
| FR2668584B1 (fr) * | 1990-10-26 | 1994-03-18 | Lair Liquide | Procede d'elaboration d'une atmosphere de traitement thermique et installation de traitement thermique. |
| DE4212307C2 (de) * | 1992-04-13 | 1994-07-28 | Messer Griesheim Gmbh | Verfahren zur Herstellung eines Schutz- oder Reaktionsgases für die Wärmebehandlung von Metallen |
-
1996
- 1996-04-23 FR FR9605105A patent/FR2747593B1/fr not_active Expired - Fee Related
- 1996-05-31 US US08/656,392 patent/US5846340A/en not_active Expired - Fee Related
-
1997
- 1997-03-07 TW TW086102784A patent/TW440465B/zh not_active IP Right Cessation
- 1997-03-17 AU AU16333/97A patent/AU720078B2/en not_active Ceased
- 1997-04-08 DE DE69705257T patent/DE69705257T2/de not_active Expired - Fee Related
- 1997-04-08 EP EP97400802A patent/EP0803581B1/fr not_active Expired - Lifetime
- 1997-04-08 ES ES97400802T patent/ES2160304T3/es not_active Expired - Lifetime
- 1997-04-08 PT PT97400802T patent/PT803581E/pt unknown
- 1997-04-08 AT AT97400802T patent/ATE202384T1/de not_active IP Right Cessation
- 1997-04-08 DK DK97400802T patent/DK0803581T3/da active
- 1997-04-10 ZA ZA9703066A patent/ZA973066B/xx unknown
- 1997-04-21 CN CN97110791A patent/CN1078253C/zh not_active Expired - Fee Related
- 1997-04-21 CA CA002203231A patent/CA2203231A1/fr not_active Abandoned
- 1997-04-22 KR KR1019970014824A patent/KR970069113A/ko not_active Abandoned
- 1997-04-22 JP JP9105033A patent/JPH1046234A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| TW440465B (en) | 2001-06-16 |
| DE69705257T2 (de) | 2002-04-18 |
| KR970069113A (ko) | 1997-11-07 |
| CA2203231A1 (fr) | 1997-10-23 |
| FR2747593A1 (fr) | 1997-10-24 |
| CN1170765A (zh) | 1998-01-21 |
| EP0803581B1 (fr) | 2001-06-20 |
| AU720078B2 (en) | 2000-05-25 |
| PT803581E (pt) | 2001-11-30 |
| CN1078253C (zh) | 2002-01-23 |
| ATE202384T1 (de) | 2001-07-15 |
| DE69705257D1 (de) | 2001-07-26 |
| ES2160304T3 (es) | 2001-11-01 |
| AU1633397A (en) | 1997-10-30 |
| US5846340A (en) | 1998-12-08 |
| EP0803581A1 (fr) | 1997-10-29 |
| DK0803581T3 (da) | 2001-09-10 |
| JPH1046234A (ja) | 1998-02-17 |
| FR2747593B1 (fr) | 1998-05-29 |
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