JP2002030342A - Heat treatment facilities for seamless steel tube - Google Patents
Heat treatment facilities for seamless steel tubeInfo
- Publication number
- JP2002030342A JP2002030342A JP2000220469A JP2000220469A JP2002030342A JP 2002030342 A JP2002030342 A JP 2002030342A JP 2000220469 A JP2000220469 A JP 2000220469A JP 2000220469 A JP2000220469 A JP 2000220469A JP 2002030342 A JP2002030342 A JP 2002030342A
- Authority
- JP
- Japan
- Prior art keywords
- heat treatment
- line
- quenching
- steel pipe
- equipment
- 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
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、継目無鋼管を製造
する設備のうち、特に圧延後の搬送ライン、及び、熱処
理設備を効果的に配置することにより、スリム化したラ
インで複数の熱処理を選択的に実施できる継目無鋼管の
熱処理設備に関するものである。BACKGROUND OF THE INVENTION The present invention relates to a process for producing a plurality of heat treatments on a streamlined line by effectively arranging a transfer line and a heat treatment facility after rolling, among the facilities for producing a seamless steel pipe. The present invention relates to a heat treatment facility for a seamless steel pipe that can be selectively implemented.
【０００２】[0002]
【従来の技術】鋼管は客先から求められる性能に応じ
て、製管した状態のままで熱処理を行わない場合と、焼
入れ、焼戻し、焼なまし、溶体化熱処理等の熱処理が行
われる場合とがある。2. Description of the Related Art Depending on the performance required by customers, steel pipes are not subjected to heat treatment in the as-produced state, or are subjected to heat treatment such as quenching, tempering, annealing, and solution heat treatment. There is.
【０００３】このため、鋼管を仕分けする必要がでてき
て設備が複雑化したり、ラックや台車が必要となったり
して工程の簡素化が必ずしも実現できていなかった。[0003] For this reason, it is necessary to sort steel pipes, and the equipment becomes complicated, and racks and carts are required, so that the simplification of the process has not always been realized.
【０００４】[0004]
【発明が解決しようとする課題】ところで、熱処理設備
の能率向上やコンパクト化を目指したものとして、特許
第２９３８１０５号に開示されている熱処理設備がある
が、この特許第２９３８１０５号に開示されている配列
の熱処理設備では、以下に列挙するような問題がある。As a means for improving the efficiency and reducing the size of the heat treatment equipment, there is a heat treatment equipment disclosed in Japanese Patent No. 2938105, which is disclosed in Japanese Patent No. 2938105. The arrangement of heat treatment facilities has the following problems.
【０００５】 熱処理炉内での鋼管の搬送は、鋼管の
長手方向に行われることから、多くの鋼管を熱処理する
ためには多くの熱処理炉を必要とする。 いろいろな熱処理を実施する場合には、設備費用、
管理費用等のコストが増大する。[0005] Since the transfer of the steel pipe in the heat treatment furnace is performed in the longitudinal direction of the steel pipe, many heat treatment furnaces are required to heat-treat many steel pipes. When performing various heat treatments, equipment costs,
Costs such as management costs increase.
【０００６】 種々の熱処理方法に対応するためには
設備配列が複雑になることから、熱処理設備における能
率の低下が発生する。また、コンパクト化を狙って１つ
のラインで種々の熱処理を実施しようとしても、特定の
熱処理方法しか実施できず、用途が限られる。 熱処理の種類によっては被熱処理材を仮置きするラ
ックや、異なる搬送ラインに移動するための複数の移載
機が必要になる。In order to cope with various heat treatment methods, the equipment arrangement becomes complicated, so that the efficiency of the heat treatment equipment is reduced. Further, even if various heat treatments are performed on one line for the purpose of downsizing, only a specific heat treatment method can be performed, and applications are limited. Depending on the type of heat treatment, a rack for temporarily placing the material to be heat-treated and a plurality of transfer machines for moving to different transport lines are required.
【０００７】また、熱処理設備のコンパクト化を狙って
オンライン熱処理設備も導入されつつある。現在では、
直接焼入れが用いられるが、圧延後直ちに焼入れを実施
するため、焼入れ以外の熱処理（溶体化熱処理、焼きな
まし等）は実施できない。従って、焼入れ以外の熱処理
を実施するためには、別のオフライン熱処理設備を用意
する必要があったりして、必ずしも効率的ではなかっ
た。[0007] On-line heat treatment equipment is also being introduced for the purpose of making heat treatment equipment more compact. Currently,
Although direct quenching is used, since quenching is performed immediately after rolling, heat treatment other than quenching (solution heat treatment, annealing, etc.) cannot be performed. Therefore, in order to carry out heat treatment other than quenching, it is necessary to prepare another off-line heat treatment equipment, which is not always efficient.
【０００８】本発明は、上記した従来の問題点を解消
し、ラインのコンパクト化と能率の低下を防止しつつ種
々の熱処理パターンへの対応を可能となすとともに、搬
送設備、焼入れ炉、焼戻し炉、焼入れ設備を効果的に配
置することにより工場レイアウトをもコンパクトにでき
る継目無鋼管の熱処理設備を提供することを目的として
いる。[0008] The present invention solves the above-mentioned conventional problems, makes it possible to cope with various heat treatment patterns while reducing the size of the line and preventing a reduction in efficiency, and at the same time, conveys equipment, a quenching furnace, and a tempering furnace. Another object of the present invention is to provide a heat treatment facility for seamless steel pipes that can make a factory layout compact by effectively disposing quenching facilities.
【０００９】[0009]
【課題を解決するための手段】上記した目的を達成する
ために、本発明に係る継目無鋼管の熱処理設備は、圧延
ラインと下工程の搬送ライン間に介設された熱処理搬送
ラインと並行に焼入れ炉と焼戻し炉を配置すると共に、
前記熱処理搬送ライン上若しくは焼入れ炉と焼戻し炉の
間に焼入れ設備を配置することとしている。そして、こ
のようにすることで、ラインのコンパクト化と能率の低
下を防止しつつ種々の熱処理パターンへの対応を可能と
なすことができる。In order to achieve the above-mentioned object, a heat treatment equipment for a seamless steel pipe according to the present invention is provided in parallel with a heat treatment transfer line interposed between a rolling line and a transfer line in a lower step. Along with placing a quenching furnace and a tempering furnace,
A quenching facility is arranged on the heat treatment transport line or between the quenching furnace and the tempering furnace. By doing so, it is possible to cope with various heat treatment patterns while miniaturizing the line and preventing a decrease in efficiency.
【００１０】[0010]
【発明の実施の形態】本発明に係る継目無鋼管の熱処理
設備は、継目無鋼管のオンライン熱処理設備において、 １） 圧延ラインと下工程の搬送ライン間に介設された
熱処理搬送ラインと並行に焼入れ炉と焼戻し炉を配置す
ると共に、前記熱処理搬送ライン上に焼入れ設備を配置
したり、 ２） １）の焼入れ設備を、熱処理搬送ライン上に代え
て焼入れ炉と焼戻し炉の間に配置したり、 ３） １）又は２）の熱処理搬送ラインと下工程の搬送
ラインとの間に鋼管の精整設備を配置したり、 ４） １）又は２）の焼戻し炉の後に鋼管の精整設備を
配置したり、 ５） １）〜４）の焼入れ炉、焼入れ設備、焼戻し炉、
鋼管の精整設備のうち、前記熱処理搬送ラインと並行に
配置したものを、装入ライン及び抽出ラインにより熱処
理搬送ラインと接続したものである。BEST MODE FOR CARRYING OUT THE INVENTION The heat treatment equipment for seamless steel pipes according to the present invention is an on-line heat treatment equipment for seamless steel pipes, comprising: 1) a heat treatment transfer line interposed between a rolling line and a transfer line in a lower process. A quenching furnace and a tempering furnace are arranged, and quenching equipment is arranged on the heat treatment transfer line. 2) The quenching equipment of 1) is arranged between the quenching furnace and the tempering furnace instead of the heat treatment transfer line. 3) A steel pipe refining facility is placed between the heat treatment transport line of 1) or 2) and the transport line of the lower process. 4) A steel pipe refining facility is installed after the tempering furnace of 1) or 2). 5) 1) to 4) quenching furnace, quenching equipment, tempering furnace,
Among the equipment for refining steel pipes, the equipment arranged in parallel with the heat treatment transport line is connected to the heat treatment transport line by a charging line and an extraction line.
【００１１】本発明に係る継目無鋼管の熱処理設備は、
圧延ラインと下工程の搬送ライン間に介設された熱処理
搬送ラインと並行に焼入れ炉と焼戻し炉を配置したの
で、焼入れ炉に送る必要のある鋼管と送る必要のない鋼
管を別々の方向に搬送することができる。[0011] The heat treatment equipment for a seamless steel pipe according to the present invention comprises:
A quenching furnace and a tempering furnace are arranged in parallel with the heat treatment transfer line interposed between the rolling line and the downstream transfer line, so the steel pipes that need to be sent to the quenching furnace and the steel pipes that do not need to be sent are transported in different directions. can do.
【００１２】この場合、焼入れ炉に送った鋼管は、焼
入れ＋焼戻し、溶体化熱処理、焼ならし等の熱処理を、
また、焼入れ炉に送らなかった鋼管は、製管のまま、
製管のまま＋焼戻し、直接焼入れ＋焼戻し、直接溶体化
熱処理等の熱処理を施す、といった多くの熱処理パター
ンに対応することが可能となって、搬送を止めることも
ないので、能率も低下することもなく、かつ、台車やラ
ックを使用する必要もない。In this case, the steel pipe sent to the quenching furnace is subjected to heat treatment such as quenching + tempering, solution heat treatment, normalizing, and the like.
In addition, steel pipes not sent to the quenching furnace
It is possible to cope with many heat treatment patterns, such as + tempering, direct quenching + tempering, direct solution heat treatment, etc. as it is made in a pipe, and it will not stop transporting, so efficiency will decrease. There is no need to use carts or racks.
【００１３】また、焼入れ後に焼戻し炉と熱処理搬送ラ
インが並列に配置されていることにより、焼戻しをする
必要のある鋼管と焼戻しをする必要のない鋼管に分ける
ことができる。Further, since the tempering furnace and the heat treatment transport line are arranged in parallel after quenching, it is possible to divide steel pipes that need to be tempered and steel pipes that do not need to be tempered.
【００１４】また、本発明に係る継目無鋼管の熱処理設
備において、熱処理搬送ラインと焼入れ炉及び焼戻し炉
の間を装入ライン及び抽出ラインで接続すれば、種々の
熱処理に対応でき、かつレイアウトがよりコンパクトと
なる。Further, in the heat treatment equipment for a seamless steel pipe according to the present invention, if the heat treatment transfer line and the quenching furnace and the tempering furnace are connected by a charging line and an extraction line, it is possible to cope with various heat treatments and the layout can be improved. It becomes more compact.
【００１５】また、本発明に係る継目無鋼管の熱処理設
備において、焼入れ設備を熱処理搬送ライン上に配置し
た場合は、焼入れ炉を通過した鋼管も、焼入れ炉を通過
しなかった鋼管もともに焼入れ設備を通過することにな
る。この場合、焼入れまたは固溶体化等の水冷する必要
がある鋼管は冷却され、製管のままの鋼管や焼なまし材
等の水冷する必要がない鋼管は素通しとなる。In the heat treatment equipment for seamless steel pipes according to the present invention, when the quenching equipment is arranged on the heat treatment conveyance line, both the steel pipes that have passed through the quenching furnace and the steel pipes that have not passed through the quenching furnace are hardened. Will pass through. In this case, a steel pipe that needs to be water-cooled such as quenching or solid solution is cooled, and a steel pipe that does not need to be water-cooled, such as an as-manufactured pipe or an annealed material, becomes plain.
【００１６】一方、焼入れ設備を焼入れ炉と焼戻し炉の
中間に配置した場合は、焼入れ又は固溶体化等の水冷す
る必要がある鋼管は焼入れ設備で冷却され、それ以外の
水冷する必要がない鋼管は焼入れ設備を通らない。On the other hand, when the quenching equipment is disposed between the quenching furnace and the tempering furnace, steel pipes that need to be water-cooled such as quenching or solid solution are cooled by the quenching equipment, and other steel pipes that do not need to be water-cooled are Does not pass through quenching equipment.
【００１７】また、本発明に係る継目無鋼管の熱処理設
備において、熱処理搬送ラインと下工程の搬送ラインと
の間や焼戻し炉の後に鋼管の精整設備を配置した場合に
は、所定の熱処理に続いてオンラインで鋼管の精整まで
もが行えることになる。In the heat treatment equipment for seamless steel pipes according to the present invention, when a steel pipe refining equipment is arranged between the heat treatment transfer line and the transfer line in the downstream process or after the tempering furnace, a predetermined heat treatment is performed. Subsequently, even the refining of steel pipes can be performed online.
【００１８】[0018]
【実施例】以下、本発明に係る継目無鋼管の熱処理設備
を図１〜図６に示す実施例に基づいて説明する。図１〜
図６は本発明に係る継目無鋼管の熱処理設備の概略構成
を示した平面図で、図１〜図４は第１〜４実施例、図５
（ａ）（ｂ）は第５，６実施例、図６は第７実施例であ
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS A heat treatment facility for a seamless steel pipe according to the present invention will be described below with reference to the embodiments shown in FIGS. Figure 1
FIG. 6 is a plan view showing a schematic configuration of a heat treatment facility for a seamless steel pipe according to the present invention, and FIGS.
(A) and (b) show the fifth and sixth embodiments, and FIG. 6 shows the seventh embodiment.
【００１９】図１において、１は本発明に係る継目無鋼
管の熱処理設備であり、圧延ライン２で圧延を施された
鋼管に所定の熱処理を施す設備であり、圧延ライン２
と、所定の熱処理が施された鋼管を下工程へ搬送する搬
送ライン３間に介設された熱処理搬送ライン４と並行
に、それぞれ熱処理搬送ライン４と装入ライン５ａ，６
ａ及び抽出ライン５ｂ，６ｂで接続した、例えばウォー
キングビーム式の焼入れ炉５と焼戻し炉６が設置されて
いる。そして、図１に示した第１実施例では熱処理搬送
ライン４上における例えば焼入れ炉５と焼戻し炉６の中
間位置に焼入れ設備７を配置している。In FIG. 1, reference numeral 1 denotes a heat treatment facility for a seamless steel pipe according to the present invention, which is a facility for subjecting a steel pipe rolled in a rolling line 2 to a predetermined heat treatment.
And a heat treatment transfer line 4 and charging lines 5a, 6 in parallel with a heat treatment transfer line 4 interposed between transfer lines 3 for transferring a steel pipe subjected to a predetermined heat treatment to a lower step.
For example, a walking beam type quenching furnace 5 and a tempering furnace 6 connected by a and the extraction lines 5b and 6b are provided. In the first embodiment shown in FIG. 1, a quenching facility 7 is arranged on the heat treatment transport line 4 at an intermediate position between the quenching furnace 5 and the tempering furnace 6, for example.
【００２０】このような構成の本発明に係る継目無鋼管
の熱処理設備では、圧延ライン２において圧延を施さ
れ、熱処理搬送ライン４に到達した鋼管は、熱処理の種
類によって、焼入れ炉５に投入される鋼管は装入ライン
５ａの方向へ搬送され、それ以外の鋼管は焼入れ設備７
の方向へ搬送される。このうち、焼入れ炉５に装入され
た鋼管は、ウォーキングビームによって軸と直角方向に
搬送されつつ所定の温度に均熱された後、抽出ライン５
ｂを通って熱処理搬送ライン４に戻る。In the heat treatment equipment for a seamless steel pipe according to the present invention having such a configuration, the steel pipe that has been subjected to rolling in the rolling line 2 and has reached the heat treatment transport line 4 is put into a quenching furnace 5 depending on the type of heat treatment. Steel pipes are conveyed in the direction of the charging line 5a, and the other steel pipes are
Transported in the direction of The steel pipe charged into the quenching furnace 5 is soaked at a predetermined temperature while being conveyed by a walking beam in a direction perpendicular to the axis.
Return to the heat treatment transport line 4 through b.
【００２１】そして、焼入れ炉５を通過した鋼管も、焼
入れ炉５を通過しない鋼管もともに焼入れ設備７に搬送
される。この場合、焼入れ又は溶体化熱処理等、水冷す
る必要がある鋼管は冷却され、製管されたままの鋼管や
焼なまし材等の水冷する必要がない鋼管は素通しとな
る。Then, both the steel pipe passing through the quenching furnace 5 and the steel pipe not passing through the quenching furnace 5 are transferred to the quenching equipment 7. In this case, the steel pipes that need to be water-cooled such as quenching or solution heat treatment are cooled, and the steel pipes that do not need to be water-cooled, such as as-formed steel pipes and annealed materials, are passed through.
【００２２】焼入れ設備７を通過した後、焼戻しを行う
鋼管は、装入ライン６ａを通って焼戻し炉６へ装入され
る。一方、焼戻しが不要な鋼管は熱処理搬送ライン４上
を搬送される。焼戻し炉６に装入された鋼管は、ウォー
キングビームによって軸と直角方向に搬送されつつ所定
の温度まで均熱された後抽出ライン６ｂを通って熱処理
搬送ライン４に戻る。After passing through the quenching equipment 7, the steel pipe to be tempered is charged into the tempering furnace 6 through the charging line 6a. On the other hand, the steel pipe that does not require tempering is transported on the heat treatment transport line 4. The steel pipe charged into the tempering furnace 6 is conveyed in a direction perpendicular to the axis by the walking beam, is soaked to a predetermined temperature, and returns to the heat treatment conveyance line 4 through the extraction line 6b.
【００２３】その後、焼戻し炉６を通過した鋼管も、焼
戻し炉６を通過しない鋼管もともに搬送ライン３まで搬
送され、下工程へと搬送される。After that, both the steel pipe that has passed through the tempering furnace 6 and the steel pipe that has not passed through the tempering furnace 6 are transported to the transport line 3 and are transported to a lower step.
【００２４】図２に示した第２実施例は、基本的には図
１に示した第１実施例と同じであるが、焼入れ設備７が
焼入れ炉５と焼戻し炉６の間に配置される点が異なって
いる。従って、焼入れ又は溶体化熱処理等、水冷する必
要がない鋼管は熱処理搬送ライン４を通ってそのまま熱
処理搬送ライン４上を通過するか、または、焼戻し炉６
に装入される。また、焼入れ又は溶体化熱処理等、水冷
する必要がある鋼管は焼入れ設備７を通過し、焼入れ設
備７前後の工程により種々の搬送パターンをとることに
なる。The second embodiment shown in FIG. 2 is basically the same as the first embodiment shown in FIG. 1, except that a quenching equipment 7 is arranged between the quenching furnace 5 and the tempering furnace 6. The points are different. Therefore, the steel pipe which does not need to be water-cooled such as quenching or solution heat treatment passes through the heat treatment transfer line 4 as it is, or passes directly on the heat treatment transfer line 4 or the tempering furnace 6
Will be charged. Further, the steel pipe which needs to be water-cooled such as quenching or solution heat treatment passes through the quenching equipment 7 and takes various transport patterns depending on the processes before and after the quenching equipment 7.
【００２５】また、図３に示した第３実施例は、基本的
には図１に示した第１実施例と、また、図４に示した第
４実施例は、基本的には図２に示した第２実施例と同じ
であり、それぞれ熱処理搬送ライン４と下工程の搬送ラ
イン３との間に、例えばストレートナーや冷却床等の鋼
管の精整設備８を配置した点が異なっているだけであ
る。The third embodiment shown in FIG. 3 is basically the same as the first embodiment shown in FIG. 1, and the fourth embodiment shown in FIG. The second embodiment is the same as the second embodiment, except that a steel pipe adjusting device 8 such as a straightener or a cooling floor is disposed between the heat treatment transport line 4 and the transport line 3 in the lower process. I'm just there.
【００２６】また、図５（ａ）に示した第５実施例は、
基本的には図３に示した第３実施例と、図５（ｂ）に示
した第６実施例は、基本的には図４に示した第４実施例
と同じであり、熱処理搬送ライン４と下工程の搬送ライ
ン３との間に配置した鋼管の精整設備８を、焼戻し炉６
の下流側において、装入ライン８ａ及び抽出ライン８ｂ
を介して熱処理搬送ライン４と接続した点が異なってい
るだけである。The fifth embodiment shown in FIG.
The third embodiment shown in FIG. 3 and the sixth embodiment shown in FIG. 5B are basically the same as the fourth embodiment shown in FIG. The steel pipe refining equipment 8 disposed between the steel pipe 4 and the transfer line 3 in the lower process
Downstream of the charging line 8a and the extraction line 8b
The only difference is that it is connected to the heat treatment transport line 4 via the.
【００２７】従って、この第３〜５実施例においては所
定の熱処理に続いてオンラインで鋼管の精整までもが行
えることになる。Therefore, in the third to fifth embodiments, the steel pipe can be refined online after the predetermined heat treatment.
【００２８】本発明に係る継目無鋼管の熱処理設備は、
上記した実施例に限るものではなく、熱処理搬送ライン
４と並行に焼入れ炉５と焼戻し炉６を配置すると共に、
熱処理搬送ライン４上に焼入れ設備７を配置したもの
や、図６に示したような、焼入れ炉５と焼戻し炉６の間
に焼入れ設備７を配置したものでも良い。但し、このよ
うな態様のものでは、図１〜図５に示したものと比べて
熱処理パターンが限られ、若干コンパクト性に欠ける。The heat treatment equipment for a seamless steel pipe according to the present invention comprises:
The present invention is not limited to the above-described embodiment, and the quenching furnace 5 and the tempering furnace 6 are arranged in parallel with the heat treatment transport line 4.
The quenching equipment 7 may be arranged on the heat treatment transport line 4 or the quenching equipment 7 may be arranged between the quenching furnace 5 and the tempering furnace 6 as shown in FIG. However, in the case of such an embodiment, the heat treatment pattern is limited as compared with those shown in FIGS.
【００２９】[0029]
【発明の効果】以上説明したように、本発明に係る継目
無鋼管の熱処理設備によれば、コンパクトで、能率を低
下させたり搬送を止めたりすることがなく、しかも、多
くの熱処理パターンに対応することが可能な熱処理設備
配置にしているため、飛躍的に少コスト化、及びライン
の簡素化を達成することが可能である。As described above, according to the heat treatment equipment for seamless steel pipes according to the present invention, the heat treatment equipment is compact, does not reduce the efficiency and does not stop conveyance, and can cope with many heat treatment patterns. Since the heat treatment equipment is arranged so that the heat treatment can be performed, the cost can be dramatically reduced and the line can be simplified.
【図１】本発明に係る継目無鋼管の熱処理設備の概略構
成を示した平面図で、第１実施例を示した図である。FIG. 1 is a plan view showing a schematic configuration of a heat treatment facility for a seamless steel pipe according to the present invention, and is a view showing a first embodiment.
【図２】本発明に係る継目無鋼管の熱処理設備の概略構
成を示した平面図で、第２実施例を示した図である。FIG. 2 is a plan view showing a schematic configuration of a heat treatment facility for a seamless steel pipe according to the present invention, and is a view showing a second embodiment.
【図３】本発明に係る継目無鋼管の熱処理設備の概略構
成を示した平面図で、第３実施例を示した図である。FIG. 3 is a plan view showing a schematic configuration of a heat treatment facility for a seamless steel pipe according to the present invention, and is a view showing a third embodiment.
【図４】本発明に係る継目無鋼管の熱処理設備の概略構
成を示した平面図で、第４実施例を示した図である。FIG. 4 is a plan view showing a schematic configuration of a heat treatment facility for a seamless steel pipe according to the present invention, and is a view showing a fourth embodiment.
【図５】本発明に係る継目無鋼管の熱処理設備の概略構
成を示した平面図で、（ａ）は第５実施例、（ｂ）は第
６実施例を示した図である。FIG. 5 is a plan view showing a schematic configuration of a heat treatment facility for a seamless steel pipe according to the present invention, wherein (a) shows a fifth embodiment and (b) shows a sixth embodiment.
【図６】本発明に係る継目無鋼管の熱処理設備の概略構
成を示した平面図で、第７実施例を示した図である。FIG. 6 is a plan view showing a schematic configuration of a heat treatment facility for a seamless steel pipe according to the present invention, and is a view showing a seventh embodiment.
１ 継目無鋼管の熱処理設備 ２ 圧延ライン ３ 搬送ライン ４ 熱処理搬送ライン ５ 焼入れ炉 ５ａ 装入ライン ５ｂ 抽出ライン ６ 焼戻し炉 ６ａ 装入ライン ６ｂ 抽出ライン ７ 焼入れ設備 ７ａ 装入ライン ７ｂ 抽出ライン ８ 精整設備 ８ａ 装入ライン ８ｂ 抽出ライン DESCRIPTION OF SYMBOLS 1 Heat treatment equipment of seamless steel pipe 2 Rolling line 3 Transfer line 4 Heat treatment conveyance line 5 Quenching furnace 5a Charging line 5b Extraction line 6 Tempering furnace 6a Charging line 6b Extraction line 7 Quenching equipment 7a Charging line 7b Extraction line 8 Equipment 8a Charging line 8b Extraction line
Claims (5)
いて、圧延ラインと下工程の搬送ライン間に介設された
熱処理搬送ラインと並行に焼入れ炉と焼戻し炉を配置す
ると共に、前記熱処理搬送ライン上に焼入れ設備を配置
したことを特徴とする継目無鋼管の熱処理設備。1. A quenching furnace and a tempering furnace are disposed in parallel with a heat treatment transfer line interposed between a rolling line and a transfer line of a lower step in an on-line heat treatment facility for a seamless steel pipe. Heat treatment equipment for seamless steel pipes, characterized by quenching equipment.
に代えて焼入れ炉と焼戻し炉の間に配置したことを特徴
とする請求項１記載の継目無鋼管の熱処理設備。2. The heat treatment equipment for a seamless steel pipe according to claim 1, wherein the quenching equipment is disposed between a quenching furnace and a tempering furnace instead of being provided on a heat treatment conveyance line.
インとの間に鋼管の精整設備を配置したことを特徴とす
る請求項１又は２記載の継目無鋼管の熱処理設備。3. The heat treatment equipment for a seamless steel pipe according to claim 1, wherein a steel pipe refining equipment is arranged between the heat treatment transfer line and a transfer line in a downstream process.
置したことを特徴とする請求項１又は２記載の継目無鋼
管の熱処理設備。4. The heat treatment equipment for a seamless steel pipe according to claim 1, wherein a steel pipe refining equipment is disposed after the tempering furnace.
の精整設備のうち、前記熱処理搬送ラインと並行に配置
したものを、装入ライン及び抽出ラインにより熱処理搬
送ラインと接続したことを特徴とする請求項１〜４の何
れか記載の継目無鋼管の熱処理設備。5. A quenching furnace, a quenching facility, a tempering furnace, and a steel pipe refining facility, which are arranged in parallel with the heat treatment transport line and are connected to the heat treatment transport line by a charging line and an extraction line. The heat treatment equipment for a seamless steel pipe according to any one of claims 1 to 4, wherein
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000220469A JP3900801B2 (en) | 2000-07-21 | 2000-07-21 | Heat treatment equipment for seamless steel pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000220469A JP3900801B2 (en) | 2000-07-21 | 2000-07-21 | Heat treatment equipment for seamless steel pipes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002030342A true JP2002030342A (en) | 2002-01-31 |
| JP3900801B2 JP3900801B2 (en) | 2007-04-04 |
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|---|---|---|---|
| JP2000220469A Expired - Fee Related JP3900801B2 (en) | 2000-07-21 | 2000-07-21 | Heat treatment equipment for seamless steel pipes |
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| WO2014091756A1 (en) | 2012-12-12 | 2014-06-19 | Ｊｆｅスチール株式会社 | Heat treatment equipment line for seamless steel pipe, and method for manufacturing high-strength stainless steel pipe |
| WO2014119251A1 (en) * | 2013-01-31 | 2014-08-07 | Ｊｆｅスチール株式会社 | Manufacturing method and manufacturing equipment for seamless steel pipe or tube with excellent toughness |
| CN104195300A (en) * | 2014-09-16 | 2014-12-10 | 苏州中门子科技有限公司 | Heat treatment system and heat treatment method for steel tube |
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| WO2014091756A1 (en) | 2012-12-12 | 2014-06-19 | Ｊｆｅスチール株式会社 | Heat treatment equipment line for seamless steel pipe, and method for manufacturing high-strength stainless steel pipe |
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| WO2014119251A1 (en) * | 2013-01-31 | 2014-08-07 | Ｊｆｅスチール株式会社 | Manufacturing method and manufacturing equipment for seamless steel pipe or tube with excellent toughness |
| JP2014148699A (en) * | 2013-01-31 | 2014-08-21 | Jfe Steel Corp | Method for producing seamless steel pipe having excellent toughness and production equipment therefor |
| CN104195300A (en) * | 2014-09-16 | 2014-12-10 | 苏州中门子科技有限公司 | Heat treatment system and heat treatment method for steel tube |
| CN111304429A (en) * | 2020-04-01 | 2020-06-19 | 浙江益大特钢有限公司 | Heat treatment equipment for processing seamless steel pipe |
| CN114752941A (en) * | 2022-04-15 | 2022-07-15 | 江苏正泰不锈钢产业有限公司 | Preparation method of ferritic stainless steel seamless steel pipe |
| CN114752941B (en) * | 2022-04-15 | 2023-01-10 | 江苏正泰不锈钢产业有限公司 | Preparation method of ferritic stainless steel seamless steel pipe |
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|---|---|
| JP3900801B2 (en) | 2007-04-04 |
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