DE2317769C3 - Ofen zum Gasaufkohlen und Gaskarbonitrieren beim Einsatzhärten von Stahl - Google Patents
Ofen zum Gasaufkohlen und Gaskarbonitrieren beim Einsatzhärten von StahlInfo
- Publication number
- DE2317769C3 DE2317769C3 DE2317769A DE2317769A DE2317769C3 DE 2317769 C3 DE2317769 C3 DE 2317769C3 DE 2317769 A DE2317769 A DE 2317769A DE 2317769 A DE2317769 A DE 2317769A DE 2317769 C3 DE2317769 C3 DE 2317769C3
- Authority
- DE
- Germany
- Prior art keywords
- gas
- furnace
- fan
- carbonitriding
- passage channel
- 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
Links
- 238000005256 carbonitriding Methods 0.000 title claims description 8
- 229910000831 Steel Inorganic materials 0.000 title claims description 6
- 239000010959 steel Substances 0.000 title claims description 6
- 238000005255 carburizing Methods 0.000 title claims description 5
- 239000007789 gas Substances 0.000 claims description 89
- 238000010438 heat treatment Methods 0.000 description 10
- 238000002156 mixing Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 3
- 239000001099 ammonium carbonate Substances 0.000 description 3
- 235000012501 ammonium carbonate Nutrition 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- CKFGINPQOCXMAZ-UHFFFAOYSA-N methanediol Chemical compound OCO CKFGINPQOCXMAZ-UHFFFAOYSA-N 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002470 thermal conductor Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- 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
- C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Tunnel Furnaces (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47034917A JPS5147128B2 (hu) | 1972-04-07 | 1972-04-07 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2317769A1 DE2317769A1 (de) | 1973-10-18 |
| DE2317769B2 DE2317769B2 (de) | 1976-10-28 |
| DE2317769C3 true DE2317769C3 (de) | 1982-05-06 |
Family
ID=12427557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2317769A Expired DE2317769C3 (de) | 1972-04-07 | 1973-04-09 | Ofen zum Gasaufkohlen und Gaskarbonitrieren beim Einsatzhärten von Stahl |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3850574A (hu) |
| JP (1) | JPS5147128B2 (hu) |
| DE (1) | DE2317769C3 (hu) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2501360B2 (de) * | 1975-01-15 | 1978-12-07 | Ipsen Industries International Gmbh, 4190 Kleve | Vakuum-Atmosphärenofen zur Wärmebehandlung von Werkstücken |
| JPS53125915A (en) * | 1977-04-11 | 1978-11-02 | Tokyo Netsu Shiyori Kougiyou K | Homogenous treating method and apparatus |
| US4770630A (en) * | 1986-08-23 | 1988-09-13 | Toray Industries, Inc. | Heat treatment apparatus |
| US5224857A (en) * | 1991-08-01 | 1993-07-06 | Gas Research Institute | Radiant tube arrangement for high temperature, industrial heat treat furnace |
| TWI550717B (zh) * | 2014-08-25 | 2016-09-21 | 新能光電科技股份有限公司 | 熱處理方法及其所製得之產物 |
| JP5918881B1 (ja) * | 2015-04-24 | 2016-05-18 | 光洋サーモシステム株式会社 | 熱処理装置用の撹拌ファン、および、これを備える熱処理装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2039429A (en) * | 1931-04-16 | 1936-05-05 | Lydon Timothy | Oven and the like with heat circulating means therefor |
| US2152154A (en) * | 1935-01-19 | 1939-03-28 | Birmingham Electr Furnaces Ltd | Method of and apparatus for the heat treatment of metals and alloys |
| US2283982A (en) * | 1939-10-07 | 1942-05-26 | Westinghouse Electric & Mfg Co | Bell type annealing furnace |
| US2276614A (en) * | 1941-03-13 | 1942-03-17 | Herbert L Grapp | Cooling device |
| US2869848A (en) * | 1954-04-09 | 1959-01-20 | British Celanese | Filamentary material |
-
1972
- 1972-04-07 JP JP47034917A patent/JPS5147128B2/ja not_active Expired
-
1973
- 1973-04-09 US US00349323A patent/US3850574A/en not_active Expired - Lifetime
- 1973-04-09 DE DE2317769A patent/DE2317769C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5147128B2 (hu) | 1976-12-13 |
| JPS48102013A (hu) | 1973-12-21 |
| DE2317769B2 (de) | 1976-10-28 |
| DE2317769A1 (de) | 1973-10-18 |
| US3850574A (en) | 1974-11-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |