JPS5928518A - 雰囲気ガスを循環使用する熱処理炉 - Google Patents
雰囲気ガスを循環使用する熱処理炉Info
- Publication number
- JPS5928518A JPS5928518A JP13677482A JP13677482A JPS5928518A JP S5928518 A JPS5928518 A JP S5928518A JP 13677482 A JP13677482 A JP 13677482A JP 13677482 A JP13677482 A JP 13677482A JP S5928518 A JPS5928518 A JP S5928518A
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- gas
- furnace body
- atmospheric gas
- reaction chamber
- 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
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000010791 quenching Methods 0.000 claims abstract description 22
- 230000000171 quenching effect Effects 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 5
- 239000011819 refractory material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims 4
- 239000007789 gas Substances 0.000 abstract description 42
- 230000003750 conditioning effect Effects 0.000 abstract description 8
- 229930195733 hydrocarbon Natural products 0.000 abstract description 7
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 4
- 230000001143 conditioned effect Effects 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/04—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
- F27B9/042—Vacuum furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path
- F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path being carried by a conveyor
- F27B9/243—Endless-strand conveyor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/15—Composition, conformation or state of the charge characterised by the form of the articles
- F27M2001/1539—Metallic articles
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13677482A JPS5928518A (ja) | 1982-08-05 | 1982-08-05 | 雰囲気ガスを循環使用する熱処理炉 |
| US06/452,835 US4457493A (en) | 1982-06-24 | 1982-12-23 | Gas atmosphere heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13677482A JPS5928518A (ja) | 1982-08-05 | 1982-08-05 | 雰囲気ガスを循環使用する熱処理炉 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5928518A true JPS5928518A (ja) | 1984-02-15 |
| JPS6318647B2 JPS6318647B2 (enrdf_load_stackoverflow) | 1988-04-19 |
Family
ID=15183197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13677482A Granted JPS5928518A (ja) | 1982-06-24 | 1982-08-05 | 雰囲気ガスを循環使用する熱処理炉 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5928518A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01116027A (ja) * | 1987-10-28 | 1989-05-09 | Daido Steel Co Ltd | 炉内雰囲気ガス組成コントロール方法および雰囲気熱処理装置 |
| JPH01285580A (ja) * | 1988-05-10 | 1989-11-16 | Hitachi Elevator Eng & Service Co Ltd | エレベータの制御装置 |
| JPH03238286A (ja) * | 1990-02-16 | 1991-10-24 | Mitsubishi Electric Corp | エレベーターのドア制御装置 |
| JP2008267778A (ja) * | 2007-03-23 | 2008-11-06 | Dowa Thermotech Kk | 熱処理システム |
-
1982
- 1982-08-05 JP JP13677482A patent/JPS5928518A/ja active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01116027A (ja) * | 1987-10-28 | 1989-05-09 | Daido Steel Co Ltd | 炉内雰囲気ガス組成コントロール方法および雰囲気熱処理装置 |
| JPH01285580A (ja) * | 1988-05-10 | 1989-11-16 | Hitachi Elevator Eng & Service Co Ltd | エレベータの制御装置 |
| JPH03238286A (ja) * | 1990-02-16 | 1991-10-24 | Mitsubishi Electric Corp | エレベーターのドア制御装置 |
| JP2008267778A (ja) * | 2007-03-23 | 2008-11-06 | Dowa Thermotech Kk | 熱処理システム |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6318647B2 (enrdf_load_stackoverflow) | 1988-04-19 |
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