JPH1088246A - Continuous type bright annealing furnace of metallic strip - Google Patents
Continuous type bright annealing furnace of metallic stripInfo
- Publication number
- JPH1088246A JPH1088246A JP23938296A JP23938296A JPH1088246A JP H1088246 A JPH1088246 A JP H1088246A JP 23938296 A JP23938296 A JP 23938296A JP 23938296 A JP23938296 A JP 23938296A JP H1088246 A JPH1088246 A JP H1088246A
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- muffle
- fiber
- bright annealing
- heating device
- 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
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ステンレス鋼帯等
の帯状金属材を還元性の炉内雰囲気下で焼鈍する連続式
光輝焼鈍炉に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a continuous bright annealing furnace for annealing a strip-shaped metal material such as a stainless steel strip in a reducing furnace atmosphere.
【０００２】[0002]
【従来の技術】従来、例えばステンレス鋼帯の連続式光
輝焼鈍炉においては、処理材を保護する炉内雰囲気を露
点を−４０℃以下でかつ清浄に保つために、炉内雰囲気
ガスに断熱材が接しないようマッフルにより炉内雰囲気
ガスと断熱材を隔離したマッフル炉、あるいは断熱材と
して高温炉内雰囲気ガス下においても炉内露点を低レベ
ルに維持することが出来る特殊な煉瓦及びモルタルを使
用した、上記マッフルを必要としない煉瓦炉、の２種類
の炉が、その加熱装置として使われてきた。2. Description of the Related Art Conventionally, for example, in a continuous bright annealing furnace of a stainless steel strip, in order to maintain a clean atmosphere at a dew point of -40.degree. Use a muffle furnace in which the furnace atmosphere gas and insulation are separated by a muffle so that they do not come into contact with each other, or special bricks and mortar that can maintain a low dew point in the furnace even under high-temperature furnace atmosphere gas as insulation The above two types of furnaces, brick furnaces that do not require a muffle, have been used as heating devices.
【０００３】ところが煉瓦炉の場合、主として煉瓦積み
用モルタルに水分を含むことと、煉瓦中に吸収された水
分が徐々に炉内雰囲気にでてくるため、煉瓦補修後など
の炉立上げ時の炉内露点調整時間が長くかかること、ま
た、竪型炉においては高温の煉瓦屑が加熱帯下部の炉内
雰囲気ガスシール装置に落下して、製品に掻き疵を発生
するという欠点があるため、これらの欠点のないマッフ
ル炉が近年使用される傾向にある。[0003] However, in the case of a brick furnace, since water is mainly contained in the mortar for brick-laying and the water absorbed in the brick gradually comes into the furnace atmosphere, the furnace is required to be used when starting the furnace after repairing the brick. It takes a long time to adjust the dew point in the furnace, and in a vertical furnace, there is a drawback that high-temperature brick debris falls into the furnace atmosphere gas sealing device below the heating zone and generates scratches on the product. Muffle furnaces without these disadvantages tend to be used in recent years.
【０００４】[0004]
【発明が解決しようとする課題】例えば処理材がオース
テナイト系ステンレス鋼帯の場合、処理材の最高温度は
１１００℃に達し、従ってマッフル炉の場合、マッフル
は１１５０℃という高温に晒される。このマッフルは、
ＳＵＳ３１０Ｓや更に高い割合のＣｒ・Ｎｉを含む高級
耐熱鋼製のため高価であるが、高温酸化による肉厚の減
耗やクリープによるマッフルの伸び・材質劣化のため、
２〜３年で交換する必要があり、従ってマッフルの更新
費用がかさむという問題があった。また、最近の連続式
光輝焼鈍炉に要求される処理能力は増大しており、従っ
て加熱装置も長くなっているため、マッフル更新にかか
る費用は更に増大すると共に、長大マッフルのメンテナ
ンス作業時のハンドリングも困難であるという問題点が
あった。For example, when the material to be treated is an austenitic stainless steel strip, the maximum temperature of the material to be treated reaches 1100 ° C., and therefore, in a muffle furnace, the muffle is exposed to a high temperature of 1150 ° C. This muffle is
It is expensive because it is made of high-grade heat-resistant steel containing SUS310S or a higher proportion of Cr / Ni.
There is a problem in that the muffle needs to be replaced in a few years, and thus the cost of updating the muffle increases. In addition, the processing capacity required for recent continuous bright annealing furnaces has been increasing, and the heating equipment has been lengthened, so that the cost of muffle renewal has further increased and handling of long muffles during maintenance work has been increased. Is also difficult.
【０００５】本発明は、上記問題点を解決すべく創案さ
れたものであり、その目的は、従来のマッフル炉が煉瓦
炉に対して有する上述した機能上の利点、即ち露点調整
時間が短いこと、製品の掻き疵が少ないこと、という機
能を維持し、且つマッフル更新費用を低減できると共に
メンテナンス性に優れた加熱装置を提供することにあ
る。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has as its object the above-mentioned functional advantage of a conventional muffle furnace over a brick furnace, namely, a short dew point adjustment time. Another object of the present invention is to provide a heating device which can maintain the function of minimizing scratches on products, reduce the cost of updating muffles, and have excellent maintainability.
【０００６】[0006]
【課題を解決するための手段】本発明の要旨は、上記課
題を解決するために、帯状金属材の連続式光輝焼鈍炉で
あって、処理材の昇温あるいは保定を行う加熱装置を、
炉殻の内周をセラミックファイバーで覆って断熱を施し
たファイバー炉で構成した。また、炉殻を断熱材で覆う
と共にマッフルを内蔵したマッフル炉と、該マッフル炉
の出口側に配置され、炉殻の内周をセラミックファイバ
ーで覆って断熱を施したファイバー炉との組合わせによ
り構成したことを特徴とする。In order to solve the above-mentioned problems, the gist of the present invention is to provide a continuous bright annealing furnace for a strip-shaped metal material, which comprises a heating device for raising or retaining the temperature of a treatment material.
It consisted of a fiber furnace in which the inner periphery of the furnace shell was covered with ceramic fibers to provide heat insulation. Further, a combination of a muffle furnace which covers the furnace shell with a heat insulating material and has a built-in muffle, and a fiber furnace which is arranged on the outlet side of the muffle furnace and has an inner periphery of the furnace shell covered with ceramic fibers to provide heat insulation. It is characterized by comprising.
【０００７】[0007]
【発明の実施の形態】添付した図面を参照しつつ、以下
に本発明を詳細に説明する。本発明を竪型ステンレス鋼
帯用連続式光輝焼鈍炉に適用した場合を実施例として説
明する。図１に、加熱装置をセラミックファイバーで断
熱する如く形成したファイバー炉のみにより構成した場
合の実施例を示す。図において、１は処理材であり、該
処理材１は入側シール装置８を経て、加熱装置２におい
て例えば１１００℃まで昇温され、適当な時間保定され
る。次に冷却装置５において常温近くまで冷却され、ダ
ウンパス１０を通過して出側シール装置から炉外に出て
光輝焼鈍工程を完了する。処理材１の搬送経路に対して
冷却装置５を含む下流側の設備は、本発明と直接の関連
がないため、以降説明を省略する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the accompanying drawings. An example in which the present invention is applied to a continuous bright annealing furnace for a vertical stainless steel strip will be described as an example. FIG. 1 shows an embodiment in which the heating device is constituted only by a fiber furnace formed so as to be insulated by ceramic fibers. In the figure, reference numeral 1 denotes a treatment material. The treatment material 1 passes through an entrance-side sealing device 8, is heated to, for example, 1100 ° C. in a heating device 2, and is kept for an appropriate time. Next, it is cooled to near normal temperature in the cooling device 5, passes through the down path 10, and goes out of the furnace from the outlet side sealing device to complete the bright annealing step. The equipment on the downstream side including the cooling device 5 with respect to the transport path of the processing material 1 is not directly related to the present invention, and thus the description thereof will be omitted.
【０００８】図１の装置において、加熱装置２はファイ
バー炉１２のみにより構成されている。炉内雰囲気ガス
は、処理材１の表面光輝度を維持するために水素ガス７
５％、窒素ガス２５％の還元性ガスで満たされており、
その露点は−５０℃である。In the apparatus shown in FIG. 1, the heating device 2 comprises only a fiber furnace 12. The atmosphere gas in the furnace is hydrogen gas 7 in order to maintain the surface light brightness of the processing material 1.
It is filled with 5% of reducing gas of 25% of nitrogen gas,
Its dew point is -50C.
【０００９】図３にファイバー炉１２の断面Ａ−Ａを示
す。ファイバー炉１２は、マッフル等の遮蔽物により炉
内雰囲気ガスと隔離されない断熱材であるセラミックフ
ァイバー２０と、炉内雰囲気ガスをシールするファイバ
ー炉炉殻１７、及び電気ヒーター１８で構成されてい
る。電気ヒーター１８は波形に整形されており、ファイ
バー炉炉殻１７に固定・突設されるヒーター支持棒１９
により支持され、このヒーター支持棒１９は先端がセラ
ミックファイバー２０の表面に位置するように配置され
ている。FIG. 3 shows a cross section AA of the fiber furnace 12. The fiber furnace 12 includes a ceramic fiber 20 which is a heat insulating material which is not isolated from the atmosphere gas in the furnace by a shield such as a muffle, a fiber furnace furnace shell 17 for sealing the atmosphere gas in the furnace, and an electric heater 18. The electric heater 18 is shaped into a waveform and has a heater support rod 19 fixed and protruded from the fiber furnace shell 17.
The heater support rod 19 is disposed so that the tip is located on the surface of the ceramic fiber 20.
【００１０】処理材１と電気ヒーター１８との接触によ
るヒーター破損を防止するため、ヒータープロテクター
２１が設置されている。セラミックファイバー２０及び
電気ヒーター１８は、マッフル等の遮蔽物により炉内雰
囲気ガスと隔離されていないが、煉瓦炉と異なりモルタ
ルを使用しないことと、セラミックファイバー中に内在
した空気は早期に低露点の雰囲気ガスに置換されるた
め、炉内露点調整時間を律速することなく、またシール
装置での製品掻き疵の要因となることもない。A heater protector 21 is provided to prevent breakage of the heater due to contact between the processing material 1 and the electric heater 18. The ceramic fiber 20 and the electric heater 18 are not isolated from the atmosphere gas in the furnace by a shield such as a muffle. However, unlike a brick furnace, the mortar is not used, and the air contained in the ceramic fiber has a low dew point at an early stage. Since the atmosphere gas is replaced, the time for adjusting the dew point in the furnace is not limited, and the product does not become a factor of product scratches in the sealing device.
【００１１】処理材１はファイバー炉１２のみにおいて
１１００℃までの昇温と保定がなされる。本ファイバー
炉では、例えば−５０℃の低露点炉内雰囲気下において
もセラミックファイバーが還元されない比較的低い炉
温、例えば１１１０℃としている。この場合の設備長は
ファイバー炉設備長、即ち加熱装置全長が２３ｍであ
る。一方、上記の実施例において、マッフル炉のみで加
熱装置を構成した場合には、マッフル炉設備長は約２０
ｍとなる。The temperature of the treatment material 1 is raised and maintained up to 1100 ° C. only in the fiber furnace 12. In the present fiber furnace, for example, a relatively low furnace temperature at which the ceramic fibers are not reduced even under a low dew point furnace atmosphere of −50 ° C., for example, 1110 ° C. The equipment length in this case is the fiber furnace equipment length, that is, the total length of the heating device is 23 m. On the other hand, in the above embodiment, when the heating device is constituted only by the muffle furnace, the muffle furnace equipment length is about 20 m.
m.
【００１２】このようにファイバー炉のみで加熱装置を
構成した場合、加熱装置全長は長くなるが、マッフル炉
を使用しないため、マッフル交換作業とマッフル更新に
係わる費用が不要となり、しかも炉内に煉瓦を全く使用
していないため煉瓦積み用モルタル等に含まれる水分が
ないので、露点調整時間も従来のマッフル炉同様に短
く、煉瓦屑による製品の掻き疵もないという、従来のマ
ッフル炉が煉瓦炉に対して有する機能上の利点をも維持
している。In the case where the heating device is constituted only by the fiber furnace as described above, the overall length of the heating device is long, but since the muffle furnace is not used, the cost for muffle replacement work and muffle renewal is unnecessary, and the brick is installed in the furnace. Because there is no moisture in the mortar for brickwork, etc., the dew point adjustment time is as short as the conventional muffle furnace and there is no scratch on the product due to brick debris. It also maintains the functional advantages that it has.
【００１３】なお本実施例の場合、ファイバー炉では低
露点炉内雰囲気下においてもセラミックファイバーが還
元されないように１１１０℃という比較的低い炉温とし
ている。セラミックファイバーの主成分はシリカ（Ｓｉ
Ｏ2 ）とアルミナ（Ａｌ2 Ｏ3 ）であるが、上記炉内雰
囲気下において還元され劣化しやすく問題となる成分は
主としてシリカである。従って、シリカの含有量を低減
した、例えばアルミナ含有量９５％以上のものを使用す
れば、高炉温下でもセラミックファイバーが劣化したり
炉内雰囲気を汚染することがないので、炉温を更に上げ
ることができ、加熱装置全長を短縮することが可能であ
る。In the case of this embodiment, the fiber furnace is set to a relatively low furnace temperature of 1110 ° C. so that ceramic fibers are not reduced even in a low dew point furnace atmosphere. The main component of ceramic fiber is silica (Si
O 2) and an alumina (Al 2 O 3), but component is reduced becomes easier problems deteriorate under the furnace atmosphere is predominantly silica. Therefore, if the silica content is reduced, for example, a material having an alumina content of 95% or more is used, even at a high furnace temperature, the ceramic fiber does not deteriorate and the atmosphere in the furnace is not polluted. Therefore, the overall length of the heating device can be reduced.
【００１４】次に、図２に加熱装置を、マッフルにより
炉内雰囲気ガスと断熱材とを隔離するように構成したマ
ッフル炉と、該マッフル炉の出口側に配置されセラミッ
クファイバーで断熱するように形成したファイバー炉と
の組合わせにより構成した場合の実施例を示す。処理材
１は入側シール装置８を経て加熱装置２において、例え
ば１１００℃まで昇温され、適当な時間保定される。次
に冷却装置５において常温近くまで冷却され、ダウンパ
ス１０を通過して出側シール装置９から炉外に出て、光
輝焼鈍工程を完了する。処理材１の搬送経路に対して冷
却装置５を含む下流側の設備は、本発明と直接の関連が
ないため以降説明を省略する。Next, FIG. 2 shows a heating apparatus in which a muffle furnace configured to separate the atmosphere gas and a heat insulating material from each other by a muffle and a ceramic fiber arranged at the outlet side of the muffle furnace to insulate the heating apparatus. An embodiment in the case of a combination with a formed fiber furnace is shown. The treatment material 1 is heated to, for example, 1100 ° C. in the heating device 2 via the entrance-side sealing device 8 and is kept for an appropriate time. Next, it is cooled to near normal temperature in the cooling device 5, passes through the down path 10, and goes out of the furnace from the outlet side sealing device 9 to complete the bright annealing step. The equipment on the downstream side including the cooling device 5 with respect to the transport path of the processing material 1 is not directly related to the present invention, and the description thereof will be omitted.
【００１５】加熱装置２はマッフル炉３とファイバー炉
１２で構成され、マッフル炉３とファイバー炉１２は伸
縮管１１により連結されている。炉内雰囲気ガスの組成
及び性状は、上述した図１の実施例と同様である。ファ
イバー炉１２の構成とその断面Ａ−Ａは、上述した図１
の実施例である図３と同様である。The heating device 2 comprises a muffle furnace 3 and a fiber furnace 12, and the muffle furnace 3 and the fiber furnace 12 are connected by a telescopic tube 11. The composition and properties of the atmosphere gas in the furnace are the same as those in the embodiment of FIG. 1 described above. The configuration of the fiber furnace 12 and its cross section AA are the same as those in FIG.
This is the same as FIG.
【００１６】図４にマッフル炉３のＢ−Ｂを示す。マッ
フル炉３は、炉殻１５がその内周をセラミックファイバ
ー１４等の断熱材で覆われて断熱されると共に、耐熱鋼
製のマッフル４を内蔵している。このマッフル４は、セ
ラミックファイバー１４で断熱されたマッフル炉炉殻１
５に支承される電気ヒーター１３により周囲から加熱さ
れており、一方、マッフル４内部は水素ガスを含む還元
性の炉内雰囲気ガスで充満され、処理材１はこの雰囲気
ガスにより保護されつつマッフル４からの間接輻射によ
り加熱されている。このようにマッフル４により炉内雰
囲気ガスがシールされ、炉内雰囲気ガスとセラミックフ
ァイバー等の断熱材やヒーターが隔離されているので、
高温下で断熱材等から発生する汚染成分の影響を炉内雰
囲気に与えることなく、清浄に保つことができる。FIG. 4 shows a BB of the muffle furnace 3. The muffle furnace 3 has a furnace shell 15 covered with a heat insulating material such as a ceramic fiber 14 for heat insulation, and has a muffle 4 made of heat-resistant steel. This muffle 4 is a muffle furnace shell 1 insulated with ceramic fibers 14.
5, the inside of the muffle 4 is filled with a reducing furnace atmosphere gas containing hydrogen gas, and the processing material 1 is protected by the atmosphere gas while the muffle 4 is protected. Is heated by indirect radiation from As described above, the atmosphere gas in the furnace is sealed by the muffle 4 and the heat insulating material such as ceramic fiber and the heater are separated from the atmosphere gas in the furnace.
It is possible to keep the furnace clean without affecting the atmosphere in the furnace under the influence of contaminants generated from the heat insulating material or the like at high temperatures.
【００１７】なおマッフルの加熱は、液化石油ガス等の
燃料を使用するバーナーによってもよい。図の例では電
気ヒーター１３を用い、これは波形に整形されておりマ
ッフル炉炉殻１５に固定し、突出させたヒーター支持棒
１６により支持され、セラミックファイバー１４の表面
に配置されている。The muffle may be heated by a burner using a fuel such as liquefied petroleum gas. In the example shown in the figure, an electric heater 13 is used, which is shaped into a waveform, fixed to a muffle furnace shell 15, supported by a protruding heater support rod 16, and arranged on the surface of the ceramic fiber 14.
【００１８】またマッフル炉３は、自走式台車６を有
し、この台車は移動用架台７によって支持されている。
マッフル４の更新時は、伸縮管１１とマッフル４との連
結を解いた後、自走式台車６によりマッフル炉３をオフ
ラインに移動させて、マッフルを引き抜いて取り外す方
式となっている。Further, the muffle furnace 3 has a self-propelled trolley 6, which is supported by a moving gantry 7.
When updating the muffle 4, the connection between the telescopic tube 11 and the muffle 4 is released, and then the muffle furnace 3 is moved offline by the self-propelled bogie 6, and the muffle is pulled out and removed.
【００１９】処理材１は、加熱装置入口側に配置したマ
ッフル炉３で１１００℃近くまで昇温され、加熱装置出
口側に配置したファイバー炉１２で１１００℃までの昇
温と保定を行っている。マッフル炉では、マッフル寿命
を極端に縮めない可能な限り高い炉温、例えば１１５０
℃とすることにより、マッフル長さの短縮を図る一方、
ファイバー炉では、例えば−５０℃の低露点炉内雰囲気
下においてもセラミックファイバーが還元されない比較
的低い炉温、例えば１１１０℃としている。設備長は、
マッフル炉が１６ｍ、ファイバー炉が４ｍであり、加熱
装置全長は２０ｍである。一方、上記実施例においてマ
ッフル炉のみで加熱装置を構成した場合のマッフル炉設
備炉長は約２０ｍとなる。The temperature of the treatment material 1 is raised to about 1100 ° C. in the muffle furnace 3 arranged on the inlet side of the heating device, and the temperature is increased to 1100 ° C. in the fiber furnace 12 arranged on the outlet side of the heating device. . In a muffle furnace, the furnace temperature is as high as possible without significantly shortening the muffle life, for example 1150
℃, while reducing the muffle length,
In a fiber furnace, for example, a relatively low furnace temperature at which ceramic fibers are not reduced even at a low dew point furnace atmosphere of -50 ° C., for example, 1110 ° C. The equipment manager
The muffle furnace is 16 m, the fiber furnace is 4 m, and the total length of the heating device is 20 m. On the other hand, the furnace length of the muffle furnace equipment when the heating device is constituted only by the muffle furnace in the above embodiment is about 20 m.
【００２０】このように、図２に関わる本実施例では、
従来のマッフル炉のみで加熱装置を構成した場合に比較
して約２５％マッフルを短縮できるので、マッフル更新
に係わる費用を低減でき、交換時のマッフル引抜き及び
挿入に必要なクレーン容量が小さくてすみ、また作業時
のハンドリングも容易となる。しかも炉内に煉瓦を全く
使用していないため、煉瓦積み用モルタル等に含まれる
水分がないので、露点調整時間も従来のマッフル炉同様
に短く、煉瓦屑による製品の掻き疵もないという、従来
のマッフル炉が煉瓦炉に対して有する機能上の利点をも
維持している。As described above, in the embodiment relating to FIG.
Since the muffle can be shortened by about 25% compared to the case where the heating device is constituted only by the conventional muffle furnace, the cost related to the muffle renewal can be reduced, and the crane capacity required for pulling out and inserting the muffle at the time of replacement can be reduced. Also, handling at the time of work becomes easy. Moreover, since no bricks are used in the furnace, there is no moisture contained in the mortar for brickwork, so the dew point adjustment time is as short as the conventional muffle furnace, and there is no scratch on the product due to brick debris. Also retains the functional advantages that muffle furnaces have over brick furnaces.
【００２１】[0021]
【発明の効果】以上説明したように、本発明の帯状金属
材の連続式光輝焼鈍炉によれば、 (1)マッフルを使用しないので、マッフル更新に係わる
費用が不要となる。あるいはマッフル長さを短縮できる
ので、マッフル更新に係わる費用を低減できる。 (2)マッフル交換作業が不要となる。あるいはマッフル
交換時のマッフル引抜き及び挿入に必要なクレーン容量
が小さくてすみ、また作業時のハンドリングも容易とな
る。 (3)炉内に煉瓦を全く使用していないため、煉瓦積み用
モルタル等に含まれる水分がないから、露点調整時間も
従来のマッフル炉同様に短く、煉瓦屑による製品の掻き
疵もないという、従来のマッフル炉が煉瓦炉に対して有
する機能上の利点を維持している。等の優れた効果を奏
し得る。As described above, according to the continuous bright annealing furnace for a strip-shaped metal material of the present invention: (1) Since a muffle is not used, the cost for updating the muffle becomes unnecessary. Alternatively, since the muffle length can be shortened, the cost for updating the muffle can be reduced. (2) Muffle replacement work becomes unnecessary. Alternatively, the crane capacity required for pulling out and inserting the muffle when exchanging the muffle is small, and handling during work is also easy. (3) Since no bricks are used in the furnace, there is no moisture contained in the mortar for brickwork, etc., so that the dew point adjustment time is as short as the conventional muffle furnace, and there is no scratch on the product due to brick debris. While maintaining the functional advantages that conventional muffle furnaces have over brick furnaces. And the like.
【図１】本発明の連続式光輝焼鈍炉の全体例を示す説明
図。FIG. 1 is an explanatory view showing an example of a continuous bright annealing furnace according to the present invention.
【図２】本発明の連続式光輝焼鈍炉の別の全体例を示す
説明図。FIG. 2 is an explanatory view showing another overall example of the continuous bright annealing furnace of the present invention.
【図３】図１及び図２におけるファイバー炉の断面Ａ−
Ａを示す図。FIG. 3 is a cross section A- of the fiber furnace in FIGS. 1 and 2;
FIG.
【図４】図２におけるマッフル炉の断面Ｂ−Ｂを示す
図。FIG. 4 is a view showing a cross section BB of the muffle furnace in FIG. 2;
１：処理材 ２：加熱装置 ３：マッフル炉 ４：マッフル ５：冷却装置 ６：台車 ７：移動用架台 ８：入口シール装置 ９：出口シール装置 １０：ダウンパス １１：伸縮管 １２：ファイバー炉 １３：電気ヒーター（マッフル炉用） １４：セラミックファイバー（マッフル炉用） １５：マッフル炉炉殻 １６：ヒーター支持棒（マッフル炉用） １７：ファイバー炉炉殻 １８：電気ヒーター（ファイバー炉用） １９：ヒーター支持棒（ファイバー炉用） ２０：セラミックファイバー（ファイバー炉用） ２１：ヒータープロテクター 1: Treatment material 2: Heating device 3: Muffle furnace 4: Muffle 5: Cooling device 6: Dolly 7: Moving stand 8: Inlet sealing device 9: Outlet sealing device 10: Down pass 11: Telescopic tube 12: Fiber furnace 13 : Electric heater (for muffle furnace) 14: Ceramic fiber (for muffle furnace) 15: Muffle furnace furnace shell 16: Heater support rod (for muffle furnace) 17: Fiber furnace furnace shell 18: Electric heater (for fiber furnace) 19: Heater support rod (for fiber furnace) 20: Ceramic fiber (for fiber furnace) 21: Heater protector
Claims (2)
て、処理材の昇温あるいは保定を行う加熱装置を、炉殻
の内周をセラミックファイバーで覆って断熱を施したフ
ァイバー炉で構成したことを特徴とする帯状金属材の連
続式光輝焼鈍炉。In a continuous bright annealing furnace for a strip-shaped metal material, a heating device for raising or maintaining the temperature of a treatment material is constituted by a fiber furnace in which the inner periphery of a furnace shell is covered with ceramic fibers to provide heat insulation. A continuous bright annealing furnace for strip-shaped metal material characterized by the following.
て、処理材の昇温あるいは保定を行う加熱装置を、炉殻
を断熱材で覆うと共にマッフルを内蔵したマッフル炉
と、該マッフル炉の出口側に配置され、炉殻の内周をセ
ラミックファイバーで覆って断熱を施したファイバー炉
との組合わせにより構成したことを特徴とする帯状金属
材の連続式光輝焼鈍炉。2. A continuous bright annealing furnace for a strip-shaped metal material, wherein a heating device for raising or maintaining the temperature of a treatment material is provided with a muffle furnace having a furnace shell covered with a heat insulating material and a muffle built therein, and an outlet of the muffle furnace. A continuous bright annealing furnace for a strip-shaped metal material, comprising a combination with a fiber furnace which is disposed on the side and is insulated by covering the inner periphery of the furnace shell with ceramic fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23938296A JP3664340B2 (en) | 1996-09-10 | 1996-09-10 | Continuous bright annealing furnace for strip metal materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23938296A JP3664340B2 (en) | 1996-09-10 | 1996-09-10 | Continuous bright annealing furnace for strip metal materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1088246A true JPH1088246A (en) | 1998-04-07 |
| JP3664340B2 JP3664340B2 (en) | 2005-06-22 |
Family
ID=17043961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23938296A Expired - Fee Related JP3664340B2 (en) | 1996-09-10 | 1996-09-10 | Continuous bright annealing furnace for strip metal materials |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3664340B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572010A (en) * | 2012-07-24 | 2014-02-12 | 五冶集团上海有限公司 | Method for preventing furnace rollers from deformation caused by heating during furnace-baking period |
| WO2021117516A1 (en) * | 2019-12-09 | 2021-06-17 | 中外炉工業株式会社 | Heat treatment apparatus |
-
1996
- 1996-09-10 JP JP23938296A patent/JP3664340B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572010A (en) * | 2012-07-24 | 2014-02-12 | 五冶集团上海有限公司 | Method for preventing furnace rollers from deformation caused by heating during furnace-baking period |
| WO2021117516A1 (en) * | 2019-12-09 | 2021-06-17 | 中外炉工業株式会社 | Heat treatment apparatus |
| JP2021091960A (en) * | 2019-12-09 | 2021-06-17 | 中外炉工業株式会社 | Heat treatment device |
| CN114761585A (en) * | 2019-12-09 | 2022-07-15 | 中外炉工业株式会社 | Heat treatment apparatus |
| TWI836167B (en) * | 2019-12-09 | 2024-03-21 | 日商中外爐工業股份有限公司 | Heat treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3664340B2 (en) | 2005-06-22 |
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