CA2607124A1 - Four de traitement thermique en continu, et procede de regulation du gaz atmospherique et procede de refroidissement dans un four de traitement thermique en continu - Google Patents
Four de traitement thermique en continu, et procede de regulation du gaz atmospherique et procede de refroidissement dans un four de traitement thermique en continu Download PDFInfo
- Publication number
- CA2607124A1 CA2607124A1 CA002607124A CA2607124A CA2607124A1 CA 2607124 A1 CA2607124 A1 CA 2607124A1 CA 002607124 A CA002607124 A CA 002607124A CA 2607124 A CA2607124 A CA 2607124A CA 2607124 A1 CA2607124 A1 CA 2607124A1
- Authority
- CA
- Canada
- Prior art keywords
- furnace
- zone
- rapid cooling
- cooling zone
- gas
- 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.)
- Abandoned
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 166
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000007789 gas Substances 0.000 claims abstract description 131
- 238000010438 heat treatment Methods 0.000 claims abstract description 90
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000001257 hydrogen Substances 0.000 claims abstract description 65
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 60
- 238000007664 blowing Methods 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 abstract description 61
- 238000011144 upstream manufacturing Methods 0.000 abstract description 16
- 238000010791 quenching Methods 0.000 abstract 7
- 230000000171 quenching effect Effects 0.000 abstract 6
- 238000005121 nitriding Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 49
- 239000010959 steel Substances 0.000 description 49
- 238000004891 communication Methods 0.000 description 12
- 230000001965 increasing effect Effects 0.000 description 10
- 239000000112 cooling gas Substances 0.000 description 9
- 238000010583 slow cooling Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 6
- 239000002344 surface layer Substances 0.000 description 6
- 238000002791 soaking Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 239000010960 cold rolled steel Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10053698 | 1998-03-26 | ||
| JP10/100536 | 1998-03-26 | ||
| CA002290949A CA2290949C (fr) | 1998-03-26 | 1999-03-25 | Four de traitement thermique en continu, et procede de regulation du gaz atmospherique et procede de refroidissement dans un four de traitement thermique en continu |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002290949A Division CA2290949C (fr) | 1998-03-26 | 1999-03-25 | Four de traitement thermique en continu, et procede de regulation du gaz atmospherique et procede de refroidissement dans un four de traitement thermique en continu |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2607124A1 true CA2607124A1 (fr) | 1999-10-07 |
Family
ID=39030985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002607124A Abandoned CA2607124A1 (fr) | 1998-03-26 | 1999-03-25 | Four de traitement thermique en continu, et procede de regulation du gaz atmospherique et procede de refroidissement dans un four de traitement thermique en continu |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2607124A1 (fr) |
-
1999
- 1999-03-25 CA CA002607124A patent/CA2607124A1/fr not_active Abandoned
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |