DE2309245A1 - Kontinuierliches verfahren, um in einem ofen metallisches material zu erhitzen - Google Patents
Kontinuierliches verfahren, um in einem ofen metallisches material zu erhitzenInfo
- Publication number
- DE2309245A1 DE2309245A1 DE19732309245 DE2309245A DE2309245A1 DE 2309245 A1 DE2309245 A1 DE 2309245A1 DE 19732309245 DE19732309245 DE 19732309245 DE 2309245 A DE2309245 A DE 2309245A DE 2309245 A1 DE2309245 A1 DE 2309245A1
- Authority
- DE
- Germany
- Prior art keywords
- furnace
- gas
- valve
- essentially
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 21
- 239000007769 metal material Substances 0.000 title claims description 11
- 238000010438 heat treatment Methods 0.000 title description 15
- 239000000463 material Substances 0.000 claims description 46
- 239000007789 gas Substances 0.000 claims description 43
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 5
- 230000000717 retained effect Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 4
- 230000002411 adverse Effects 0.000 claims description 3
- 238000010924 continuous production Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000005262 decarbonization Methods 0.000 description 6
- 238000010926 purge Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229910000997 High-speed steel Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006557 surface reaction 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
- C21D1/76—Adjusting the composition of the atmosphere
-
- 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
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)
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Tunnel Furnaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7202543A SE378428B (fr) | 1972-02-29 | 1972-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2309245A1 true DE2309245A1 (de) | 1973-09-06 |
Family
ID=20260150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732309245 Pending DE2309245A1 (de) | 1972-02-29 | 1973-02-24 | Kontinuierliches verfahren, um in einem ofen metallisches material zu erhitzen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3899287A (fr) |
| JP (1) | JPS48100305A (fr) |
| DE (1) | DE2309245A1 (fr) |
| FR (1) | FR2174192A1 (fr) |
| GB (1) | GB1395864A (fr) |
| IT (1) | IT979578B (fr) |
| SE (1) | SE378428B (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATA874874A (de) * | 1974-10-31 | 1978-02-15 | Ebner Ind Ofenbau | Anlage zum blankgluhen von stangen und rohren aus chrom-nickelstahl oder chromstahl |
| CN111455151A (zh) * | 2020-04-13 | 2020-07-28 | 重庆赛迪热工环保工程技术有限公司 | 一种侧进侧出的炉型结构 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2191133A (en) * | 1934-12-05 | 1940-02-20 | Ici Ltd | Apparatus for heat treating |
| US2253897A (en) * | 1937-05-24 | 1941-08-26 | Doderer Wilhelm | Contrivance for treating materials within a gas atmosphere of increased pressure |
| US2421482A (en) * | 1944-09-20 | 1947-06-03 | Sentry Company | Furnace |
| US2749106A (en) * | 1950-11-28 | 1956-06-05 | Metallurg Processes Co | Protection of hot metallic bodies against oxidation |
-
1972
- 1972-02-29 SE SE7202543A patent/SE378428B/xx unknown
-
1973
- 1973-02-24 DE DE19732309245 patent/DE2309245A1/de active Pending
- 1973-02-26 GB GB933073A patent/GB1395864A/en not_active Expired
- 1973-02-27 US US336353A patent/US3899287A/en not_active Expired - Lifetime
- 1973-02-28 FR FR7307193A patent/FR2174192A1/fr not_active Withdrawn
- 1973-02-28 IT IT20988/73A patent/IT979578B/it active
- 1973-02-28 JP JP48024235A patent/JPS48100305A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SE378428B (fr) | 1975-09-01 |
| US3899287A (en) | 1975-08-12 |
| JPS48100305A (fr) | 1973-12-18 |
| FR2174192A1 (fr) | 1973-10-12 |
| IT979578B (it) | 1974-09-30 |
| GB1395864A (en) | 1975-05-29 |
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