WO2010134436A1 - 連続焼鈍炉 - Google Patents
連続焼鈍炉 Download PDFInfo
- Publication number
- WO2010134436A1 WO2010134436A1 PCT/JP2010/057851 JP2010057851W WO2010134436A1 WO 2010134436 A1 WO2010134436 A1 WO 2010134436A1 JP 2010057851 W JP2010057851 W JP 2010057851W WO 2010134436 A1 WO2010134436 A1 WO 2010134436A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- annealing furnace
- continuous annealing
- gas
- atmospheric gas
- combustion
- Prior art date
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Classifications
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- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
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- 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
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- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/562—Details
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/562—Details
- C21D9/565—Sealing arrangements
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
- C21D9/5732—Continuous furnaces for strip or wire with cooling of wires; of rods
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
- C21D9/5735—Details
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- 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
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/3005—Details, accessories, or equipment peculiar to furnaces of these types arrangements for circulating gases
Definitions
- the treatment material introduced through the inlet seal portion is continuously conveyed from the heating zone to the cooling zone in the atmosphere gas containing hydrogen gas, and after the treatment material is indirectly heated in the heating zone, as described above.
- the present invention relates to a continuous annealing furnace in which a heated treatment material is cooled and cooled in a cooling zone and the annealed treatment material is led out through an outlet seal portion.
- the atmospheric gas is used in order to replenish the atmospheric gas leaked from the inlet seal portion and the outlet seal portion and to react the oxygen introduced into the continuous annealing furnace together with the treatment material with hydrogen gas.
- the excessive atmospheric gas supplied into the continuous annealing furnace is prevented from being discharged to the outside, and an excessive atmosphere is provided. It is characterized in that hydrogen gas contained in the gas is effectively used.
- the long treatment material 1 is treated with an atmosphere gas containing hydrogen gas, generally hydrogen gas. It introduce
- an atmosphere gas containing hydrogen gas generally hydrogen gas. It introduce
- the treated material 1 is led to the cooling zones 13a to 13c to be cooled, and further, the treated material 1 is guided from the top roll chamber 14 provided with the roller 14a to the outlet seal portion 16 through the chute 15 and through the outlet seal portion 16 Deriving from the continuous annealing furnace 10 is performed (see, for example, Patent Documents 1 and 2).
- the atmosphere gas leaked from the inlet seal portion 11 and the outlet seal portion 16 is replenished and introduced into the continuous annealing furnace 10 together with the treatment material 1.
- an atmospheric gas containing hydrogen gas is supplied from the atmospheric gas supply device 20 into the continuous annealing furnace 10.
- oxygen introduced into the continuous annealing furnace 10 together with the treatment material 1 is used as the atmospheric gas.
- the atmosphere gas is supplied excessively from the atmosphere gas supply device 20 into the continuous annealing furnace 10 in order to react with the hydrogen gas contained in the atmosphere.
- the pressure of the atmospheric gas in the continuous annealing furnace 10 gradually increases. It is necessary to discharge the atmospheric gas to the outside.
- a highly airtight roll seal or the like has been used for the inlet seal portion 11 or the outlet seal portion 16 described above, and the amount of atmospheric gas that leaks from the inlet seal portion 11 or the outlet seal portion 16 is reduced. The amount of atmospheric gas discharged from the continuous annealing furnace 10 tends to increase.
- the treatment material introduced through the inlet seal portion is continuously conveyed from the heating zone to the cooling zone in the atmosphere gas containing hydrogen gas, and after the treatment material is indirectly heated in the heating zone, as described above. It is an object to solve the above problems in a continuous annealing furnace in which the heated treatment material is cooled and cooled in a cooling zone, and the annealed treatment material is led out through the outlet seal portion. is there.
- the atmosphere gas leaked from the inlet seal portion and the outlet seal portion is replenished as described above, and oxygen introduced into the continuous annealing furnace together with the treatment material is reacted with hydrogen gas.
- oxygen introduced into the continuous annealing furnace together with the treatment material is reacted with hydrogen gas.
- an inlet seal portion for introducing a long treatment material, a heating zone for indirectly heating the treatment material by combustion in the combustion portion, and a heated treatment material are provided.
- a cooling zone for cooling and an outlet seal portion for leading out the cooled treatment material, and the treatment material introduced through the inlet seal portion is transferred from the heating zone to the cooling zone in an atmospheric gas containing hydrogen gas.
- an atmospheric gas supply device that supplies the atmospheric gas into the continuous annealing furnace, and a continuous annealing furnace Guide passage for guiding excess atmosphere gas in the heating zone to the combustion section of the heating zone, and an atmosphere gas control device for controlling the introduction of excess atmosphere gas to the combustion section of the heating zone through the guide passage
- an outer tube is provided on the outer peripheral side of the inner tube through which the treatment material is passed, and combustion between the inner tube and the outer tube is performed.
- a so-called muffle type can be used.
- a combustion device such as a burner can be provided in the outer tube.
- the hydrogen gas contained in the atmospheric gas is appropriately burned and consumed in the combustion section. Therefore, in the above atmospheric gas control device, when the temperature of the combustion part is equal to or higher than the ignition temperature of hydrogen gas, it is preferable to introduce excess atmospheric gas to the combustion part.
- a gas purification device for purifying the atmospheric gas
- a purification guide channel for guiding excess atmospheric gas guided through the guide channel to the gas purification device
- the gas purification device It is preferable to provide a return path for returning the atmospheric gas purified by the above to the atmospheric gas supply device.
- the atmosphere gas control device removes excess atmosphere gas guided through the guide path.
- the purified atmosphere gas can be guided to the gas purification apparatus through the purification guide path and returned to the atmospheric gas supply apparatus through the return path.
- the hydrogen gas contained in the excess atmosphere gas in the continuous annealing furnace is effectively utilized for combustion in the combustion section of the heating zone, and the excess atmosphere gas Exhaust from the inside of the continuous annealing furnace is suppressed, and there is no need to cool the atmospheric gas or dilute the atmospheric gas with air, thereby reducing costs.
- the gas purifying apparatus, the purifying guide path for guiding excess atmospheric gas guided through the guiding path to the gas purifying apparatus, and the atmospheric gas purified by the gas purifying apparatus are
- the temperature of the combustion section is lower than the ignition temperature of the hydrogen gas
- excess atmospheric gas introduced through the guide passage is led to the gas purification device through the purification guide passage.
- the purified atmosphere gas is returned to the atmosphere gas supply device through the return path, the excess atmosphere gas is effectively used even when the temperature of the combustion section is lower than the ignition temperature of the hydrogen gas. It becomes like this.
- continuous annealing furnace according to an embodiment of the present invention will be specifically described with reference to the accompanying drawings.
- the continuous annealing furnace according to the present invention is not limited to the one shown in the following embodiment, and can be implemented with appropriate modifications within a range not changing the gist of the invention.
- an elongated treatment material 1 such as a stainless steel strip obtained by cold rolling is applied to an atmosphere gas containing hydrogen gas through an inlet seal portion 11, generally hydrogen gas.
- a continuous annealing furnace 10 filled with an atmospheric gas mainly composed of nitrogen gas.
- the roll seal 11a is used in order to prevent the atmospheric gas filled in the continuous annealing furnace 10 from flowing out.
- the treatment material 1 guided through the inlet seal portion 11 is indirectly heated in the heating zone 12 as described above.
- the heating zone 12 has a double tube structure, and the treatment material 1 passes through the inner tube 12 a of the heating zone 12.
- a combustion device 12c such as a burner is provided in the outer tube 12b, the combustion device 12c performs combustion in the combustion portion 12d between the inner tube 12a and the outer tube 12b, and passes through the inner tube 12a. 1 is indirectly heated.
- the combustion exhaust gas combusted in the combustion section 12d is guided to the cooling device 12f through the exhaust gas pipe 12e. After the combustion exhaust gas is cooled by the cooling device 12f, the combustion exhaust gas is discharged into the exhaust gas.
- the tube 12e is discharged outside.
- the treatment material 1 heated in the heating zone 12 in this manner is sequentially guided to the first to third cooling zones 13a to 13c to be cooled, and the treatment material 1 thus cooled is provided with a roller 14a.
- the processed material 1 is guided from the top roll chamber 14 through the chute 15 to the outlet seal portion 16, and the treated material 1 is led out from the continuous annealing furnace 10 through the outlet seal portion 16. I have to.
- the roll seal 16a is used in order to prevent the atmospheric gas filled in the continuous annealing furnace 10 from flowing out.
- the atmosphere gas leaked from the inlet seal portion 11 and the outlet seal portion 16 is replenished and introduced into the continuous annealing furnace 10 together with the treatment material 1.
- the atmospheric gas containing hydrogen gas is excessively supplied into the continuous annealing furnace 10 from the atmospheric gas supply device 20.
- said atmospheric gas is supplied to the 3rd cooling zone 13c.
- the position for supplying the atmospheric gas is not particularly limited.
- the excess atmospheric gas is supplied from the inside of the continuous annealing furnace 10 supplied with the excessive atmospheric gas by the atmospheric gas supply device 20 in this manner, and the combustion section 12d of the heating zone 12 is used. And an atmosphere gas control device 30 for controlling that excess atmosphere gas is guided to the combustion section 12d of the heating zone 12 through the guide tube 33.
- a pressure gauge 31 for measuring the pressure of the atmospheric gas in the continuous annealing furnace 10 is provided, and the pressure of the atmospheric gas in the continuous annealing furnace 10 measured by the pressure gauge 31. Is output to the control means 32.
- a first valve 33 a and a second valve 33 b are provided in the guide pipe 33 that guides excess atmospheric gas in the continuous annealing furnace 10 to the combustion unit 12 d of the heating zone 12,
- a discharge pipe 34 for discharging atmospheric gas to the outside is connected to a portion of the guide pipe 33 between the first valve 33a and the second valve 33b, and a third valve 34a is provided in the discharge pipe 34 to control the above control.
- the means 32 controls the first valve 33a, the second valve 33b, and the third valve 34a.
- the pressure of the atmospheric gas in the continuous annealing furnace 10 measured by the pressure gauge 31 is set to a predetermined value. While the first valve 33 a and the second valve 33 b are opened by the control means 32, the third valve 34 a is closed, and excess atmosphere gas in the continuous annealing furnace 10 is passed through the guide tube 33 to the heating zone 12. To the combustion section 12d.
- the hydrogen gas contained in the atmospheric gas thus led to the combustion section 12d is burned by the combustion device 12c and discharged to the outside together with the combustion exhaust gas through the exhaust gas pipe 12e.
- the atmospheric gas containing hydrogen gas in the continuous annealing furnace 10 is prevented from being discharged to the outside as it is, and the hydrogen gas contained in the discharged atmospheric gas is in the combustion section 12d of the heating zone 12. Effectively used for combustion.
- the control means 32 and the first valve 33a While the third valve 34a is opened, the second valve 33b is closed, and the atmospheric gas can be discharged from the discharge pipe 34 to the outside.
- the heating zone 12 when the treatment material 1 is indirectly heated in the heating zone 12, the heating zone 12 has a double-pipe structure, and a combustion device 12c such as a burner is provided in the outer pipe 12b. Combustion is performed in the combustion section 12d between the inner pipe 12a and the outer pipe 12b by the device 12c, but a radiant tube (not shown) serving as a combustion section is provided on the outer peripheral side of the inner pipe 12a. It is also possible to introduce an atmospheric gas containing hydrogen gas (not shown).
- the atmosphere gas that flows out from the continuous annealing furnace 10 through the inlet seal portion 11 and the outlet seal portion 16 is heated. It is also possible to introduce the hydrogen gas contained in the atmospheric gas into the 12 combustion sections 12d and burn it in the combustion section 12d.
- the control means described above is used. While the first valve 33a and the third valve 34a are opened by 32, the second valve 33b is closed and the atmospheric gas is discharged from the discharge pipe 34 to the outside.
- the continuous annealing furnace 10 can be configured as in the modified example shown in FIG.
- the excess atmosphere gas is led to the guide pipe 33 that leads the excess atmosphere gas to the combustion section 12 d of the heating zone 12, and the excess atmosphere gas is led to the gas purification device 35.
- a purification guide pipe 36 is connected, a fourth valve 36a is provided in the purification guide pipe 36, and a return pipe 37 for returning the atmospheric gas purified by the gas purification apparatus 35 to the atmospheric gas supply apparatus 20 is provided.
- the above atmospheric gas control is performed. While the second valve 33b and the third valve 34a are closed by the control means 32 in the apparatus 30, the first valve 33a and the fourth valve 36a are opened, and excess atmosphere gas is removed from the purification guide pipe 36. To the gas purifier 35.
- the gas purifier 35 purifies the atmospheric gas by performing deoxygenation treatment or dehydration treatment on the introduced excess atmospheric gas, and converts the purified atmospheric gas to the above-mentioned return gas. It returns to the said atmospheric gas supply apparatus 20 through the pipe
- the atmospheric gas containing hydrogen gas in the continuous annealing furnace 10 is further suppressed from being discharged from the discharge pipe 34 to the outside, and the atmospheric gas is used more effectively.
- the fourth valve 36a is adjusted to introduce a part of the excess atmospheric gas supplied to the combustion part 12d to the gas purifier 35. It can also be purified and returned to the atmospheric gas supply device 20.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
Description
10 連続焼鈍炉
11 入口シール部
11a ロールシール
12 加熱帯
12a 内管
12b 外管
12c 燃焼装置
12d 燃焼部
12e 排ガス管
12f 冷却装置
13a~13c 第1~第3の冷却帯
14 トップロール室
14a ローラ
15 シュート
16 出口シール部
16a ロールシール
20 雰囲気ガス供給装置
30 雰囲気ガス制御装置
31 圧力計
32 制御手段
33 案内管
33a 第1バルブ
33b 第2バルブ
34 排出管
34a 第3バルブ
35 ガス精製装置
36 精製用案内管
36a 第4バルブ
37 戻し管
Claims (7)
- 長尺状の処理材を導入させる入口シール部と、燃焼部における燃焼により処理材を間接加熱させる加熱帯と、加熱された処理材を冷却する冷却帯と、冷却された処理材を導出させる出口シール部とを備え、上記の入口シール部を通して導入された処理材を、水素ガスを含む雰囲気ガス中で上記の加熱帯から冷却帯に連続して搬送させて焼鈍させ、焼鈍された処理材を上記の出口シール部を通して導出させる連続焼鈍炉において、この連続焼鈍炉内に上記の雰囲気ガスを供給する雰囲気ガス供給装置と、連続焼鈍炉内における過剰の雰囲気ガスを上記の加熱帯の燃焼部に導く案内路と、この案内路を通して過剰の雰囲気ガスが加熱帯の燃焼部に導かれるのを制御する雰囲気ガス制御装置とを設けたことを特徴とする連続焼鈍炉。
- 請求項1に記載の連続焼鈍炉において、上記の加熱帯は、処理材を通過させる内管の外周側に外管が設けられ、上記の内管と外管との間の燃焼部において燃焼を行うことを特徴とする連続焼鈍炉。
- 請求項2に記載の連続焼鈍炉において、上記の外管に燃焼装置が設けられていることを特徴とする連続焼鈍炉。
- 請求項1~請求項3の何れか1項に記載の連続焼鈍炉において、上記の案内路は、上記の冷却帯から過剰の雰囲気ガスを加熱帯の燃焼部に導くことを特徴とする連続焼鈍炉。
- 請求項1~請求項4の何れか1項に記載の連続焼鈍炉において、上記の雰囲気ガス制御装置は、上記の燃焼部の温度が水素ガスの着火温度以上である場合に過剰の雰囲気ガスを燃焼部に導くことを特徴とする連続焼鈍炉。
- 請求項1~請求項5の何れか1項に記載の連続焼鈍炉において、雰囲気ガスを精製するガス精製装置と、上記の案内路を通して導かれる過剰の雰囲気ガスを上記のガス精製装置に導く精製用案内路と、上記のガス精製装置によって精製された雰囲気ガスを上記の雰囲気ガス供給装置に戻す戻し経路とが設けられていることを特徴とする連続焼鈍炉。
- 請求項6に記載の連続焼鈍炉において、上記の雰囲気ガス制御装置は、上記の燃焼部の温度が水素ガスの着火温度未満である場合に過剰の雰囲気ガスを上記のガス精製装置に導くことを特徴とする連続焼鈍炉。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10777670.0A EP2434026B1 (en) | 2009-05-20 | 2010-05-10 | Continuous annealing furnace |
CN2010800031669A CN102203305B (zh) | 2009-05-20 | 2010-05-10 | 连续退火炉 |
JP2011514379A JP4979836B2 (ja) | 2009-05-20 | 2010-05-10 | 連続焼鈍炉 |
ES10777670T ES2747953T3 (es) | 2009-05-20 | 2010-05-10 | Horno de recocido continuo |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009121593 | 2009-05-20 | ||
JP2009-121593 | 2009-05-20 | ||
JPPCT/JP2009/060753 | 2009-06-12 | ||
PCT/JP2009/060753 WO2010134214A1 (ja) | 2009-05-20 | 2009-06-12 | 連続焼鈍炉 |
Publications (1)
Publication Number | Publication Date |
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WO2010134436A1 true WO2010134436A1 (ja) | 2010-11-25 |
Family
ID=43125909
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/060753 WO2010134214A1 (ja) | 2009-05-20 | 2009-06-12 | 連続焼鈍炉 |
PCT/JP2010/057851 WO2010134436A1 (ja) | 2009-05-20 | 2010-05-10 | 連続焼鈍炉 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/060753 WO2010134214A1 (ja) | 2009-05-20 | 2009-06-12 | 連続焼鈍炉 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2434026B1 (ja) |
JP (1) | JP4979836B2 (ja) |
CN (1) | CN102203305B (ja) |
ES (1) | ES2747953T3 (ja) |
TW (1) | TWI473884B (ja) |
WO (2) | WO2010134214A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103469134B (zh) * | 2013-08-14 | 2015-10-21 | 西安赛特思迈钛业有限公司 | 钛及钛合金盘卷丝材的连续退火装置及退火方法 |
CN104278141A (zh) * | 2014-09-25 | 2015-01-14 | 合肥恒泰钢结构有限公司 | 一种冷轧带钢连续还原退火炉 |
EP3441481B1 (en) * | 2016-04-05 | 2020-11-11 | Nippon Steel Corporation | Cooling facility in continuous annealing furnace |
CN106801138A (zh) * | 2017-03-10 | 2017-06-06 | 江苏伟建工具科技有限公司 | 一种高速钢退火管 |
CN106755797A (zh) * | 2017-03-10 | 2017-05-31 | 江苏伟建工具科技有限公司 | 一种高速钢对流冷却退火管 |
JP7184473B1 (ja) * | 2021-10-25 | 2022-12-06 | 中外炉工業株式会社 | 連続焼鈍炉 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03134120A (ja) | 1989-10-20 | 1991-06-07 | Nisshin Steel Co Ltd | ステンレス鋼帯の光輝焼鈍方法及び装置 |
JPH07268493A (ja) | 1994-03-31 | 1995-10-17 | Chugai Ro Co Ltd | 鋼帯用竪型連続光輝焼鈍炉の加熱帯 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3665343A (en) * | 1970-11-09 | 1972-05-23 | Motorola Inc | Voltage controlled multivibrator |
JPS5133707A (ja) * | 1974-09-14 | 1976-03-23 | Daido Steel Co Ltd | Ronaigasujunkanshikishodonro |
JPS62290830A (ja) * | 1986-06-11 | 1987-12-17 | Nisshin Steel Co Ltd | 鋼帯の連続焼鈍方法および同焼鈍炉 |
JP2520507B2 (ja) * | 1990-07-12 | 1996-07-31 | 新日本製鐵株式会社 | ステンレス鋼帯の連続光輝焼鈍方法 |
JPH11229041A (ja) * | 1998-02-09 | 1999-08-24 | Daido Steel Co Ltd | 連続熱処理炉 |
JP4156065B2 (ja) * | 1998-02-24 | 2008-09-24 | 日新製鋼株式会社 | 金属帯用連続還元性雰囲気焼鈍装置および方法 |
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2009
- 2009-06-12 WO PCT/JP2009/060753 patent/WO2010134214A1/ja active Application Filing
- 2009-06-19 TW TW98120556A patent/TWI473884B/zh not_active IP Right Cessation
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2010
- 2010-05-10 JP JP2011514379A patent/JP4979836B2/ja active Active
- 2010-05-10 CN CN2010800031669A patent/CN102203305B/zh active Active
- 2010-05-10 ES ES10777670T patent/ES2747953T3/es active Active
- 2010-05-10 EP EP10777670.0A patent/EP2434026B1/en active Active
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JPH03134120A (ja) | 1989-10-20 | 1991-06-07 | Nisshin Steel Co Ltd | ステンレス鋼帯の光輝焼鈍方法及び装置 |
JPH07268493A (ja) | 1994-03-31 | 1995-10-17 | Chugai Ro Co Ltd | 鋼帯用竪型連続光輝焼鈍炉の加熱帯 |
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JPWO2010134436A1 (ja) | 2012-11-08 |
EP2434026B1 (en) | 2019-07-24 |
CN102203305B (zh) | 2013-05-08 |
EP2434026A4 (en) | 2016-09-07 |
TW201042051A (en) | 2010-12-01 |
TWI473884B (zh) | 2015-02-21 |
EP2434026A1 (en) | 2012-03-28 |
WO2010134214A1 (ja) | 2010-11-25 |
CN102203305A (zh) | 2011-09-28 |
JP4979836B2 (ja) | 2012-07-18 |
ES2747953T3 (es) | 2020-03-12 |
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