JPS5970404A - Rolling installation for thick plate - Google Patents
Rolling installation for thick plateInfo
- Publication number
- JPS5970404A JPS5970404A JP18011882A JP18011882A JPS5970404A JP S5970404 A JPS5970404 A JP S5970404A JP 18011882 A JP18011882 A JP 18011882A JP 18011882 A JP18011882 A JP 18011882A JP S5970404 A JPS5970404 A JP S5970404A
- Authority
- JP
- Japan
- Prior art keywords
- line
- hardening
- thick plate
- heating
- sent
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、省エネルギーを計ることかでき■つライン全
体の流れがスムーズな厚板圧延設備に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a plate rolling equipment that can save energy and has smooth flow throughout the line.
従来の厚板圧延設備を第１図により説明すると、図中ａ
は連鋳機、ｂは連鋳機ａにより鋳造されたスラブを一時
的に置くスラブヤード、Ｃはスラブを搬送する搬送デー
プル、ｄはスラブを加熱する加熱炉、ｅは加熱炉ｄの出
側に設けた圧延ラインの搬送テーブル、ｆはスケール除
去用のデスケーリングボックス、Ｑは材料のおおよその
幅決めを行うエツジヤ−１ｈは粗ミル、ｉは複数基設置
された仕上ミル（図は１基のみを示す）、ｊは仕上圧延
した厚板を所定の温疫に冷却する噴射冷却装置、ｋは冷
却した厚板の平坦度を出すホットレベラー、１は自然放
冷により厚板を冷却する冷却ベッド、ｍはシャーライン
の搬送テーブル、ｎは厚板の先後端部を切断するり０ツ
ブジヤー、０は厚板の両端４部を切断するダブルサイド
シャ−１ｐは厚板を狭幅にするためのスリットシャー、
ｑは厚板を定尺に切断するための分割シャー、ｒは完成
した厚板製品を搬送するためのパイリングトランスファ
ー、Ｓはライン外に設けられた焼入れ装置、［は焼入れ
装置Ｓと並設された焼戻し装置、Ｕは同様にライン外に
設けられたコールドレベラーである。The conventional thick plate rolling equipment is explained with reference to Fig. 1.
is a continuous casting machine, b is a slab yard where the slabs cast by continuous casting machine a are temporarily placed, C is a conveyor table that transports the slabs, d is a heating furnace that heats the slabs, and e is the exit side of the heating furnace d f is a descaling box for removing scales, Q is an edger for roughly determining the width of the material, 1h is a roughing mill, and i is a finishing mill installed in multiple units (one in the figure). ), j is an injection cooling device that cools the finish-rolled plate to a predetermined temperature, k is a hot leveler that improves the flatness of the cooled plate, and 1 is a cooling device that cools the plate by natural cooling. The bed, m is the shear line conveyance table, n is the shear line for cutting the front and rear ends of the plank, 0 is the double side shear for cutting the 4 ends of the plank, and 1p is for making the plank narrower. slit shear,
q is a dividing shear for cutting thick plates into regular lengths, r is a piling transfer for transporting finished plate products, S is a quenching device installed outside the line, [ is a quenching device installed in parallel with the quenching device S. In addition, U is a cold leveler provided outside the line.
上記従来例においては、連鋳機ａで鋳造されたスラブは
所要長さに切断されてスラブヤード１）に一時的に置か
れ、搬送テーブルＣにＪ：り搬送されて加熱炉ｄへ送ら
れ、加熱炉ｄで所定の温度まで加熱された後搬送テーブ
ルｅへ送出され、加熱によりスラブに生じたスケールを
デスケーリングボックスｆにより除去し、エツジヤ−９
によりスラブのおおよその幅決め後粗ミルｈにより粗圧
延を行い、仕上ミルｉにより正しい板厚に圧延して厚板
とし、必要に応じて噴射冷却装置ｊにより冷却後ホット
レベラーにで厚板を平坦にし、冷却ベッド！に送られる
。In the above conventional example, the slab cast by the continuous casting machine a is cut to the required length and temporarily placed in the slab yard 1), transported to the transport table C, and sent to the heating furnace d. After being heated to a predetermined temperature in a heating furnace d, the slab is sent to a conveyance table e, and the scale generated on the slab due to heating is removed by a descaling box f, and the slab is transferred to an edger 9.
After determining the approximate width of the slab, rough rolling is performed using a rough mill h, and a finishing mill i is used to roll the slab to the correct thickness to form a thick plate.If necessary, the slab is cooled using an injection cooling device j, and is then turned into a thick plate using a hot leveler. Flatten and cool the bed! sent to.
冷却ベッド！に送られた厚板は自然放冷により冷却され
た後シャーラインの搬送テーブルｍに送られ、クロップ
シャーｎにより厚板先後端部のクロップを切断され、ダ
ブルサイドシャ−〇により両端耳部を切断され、狭幅の
製品にする場合にはスリットシャーｐにより切断線が長
手方向に延びる複数の厚板に切断され、分割シャーｑに
よって所定の長さに分割されて完全な製品となり、パイ
リングトランスファーｒにＪ：り所定の場所へ搬送され
る。又、鋼種や寸法によっては分割シャーｑで所定の長
さに切断後、台車やクレーン等によって焼入れ装置Ｓや
焼戻し装［１に厚板を送って焼入れ、焼戻しを行ったり
或はコールドレベラーＵで更に厚板を平坦にする。Cooling bed! After being cooled by natural cooling, the planks are sent to the transfer table m of the shear line, where the crop shears at the front and rear ends of the planks are cut off by the crop shears N, and the edges at both ends are cut by the double side shears 〇. If the product is to be cut into a narrow width product, it is cut into multiple thick plates with the cutting line extending in the longitudinal direction using a slit shear p, and then divided into predetermined lengths by a dividing shear q to form a complete product, which is then transferred to a pile. It is transported to a predetermined location by J:r. Also, depending on the steel type and dimensions, after cutting to a predetermined length with a dividing shear Q, the plate may be sent to a hardening device S or a tempering device [1] using a trolley or crane for hardening and tempering, or a cold leveler U may be used to harden and temper the plate. Further flatten the plank.
しかしながら、上述の厚板製造設備では、冷却テーブル
！においてここを通る厚板を全て冷却しているため、焼
入れを行う場合には、常温から焼入れを行うに必要な温
度まで再加熱しなければならず、省エネルギーの観点か
ら問題がある。又、上記ラインにおいて厚板の焼入れを
行なおうとしても、ただ単に焼入れ装置を配置しただけ
では、焼入れを行なう板と行わない板を続けて流す場合
、ライン全体の流れが停滞し生産能率が低下してしまう
。However, in the above-mentioned plate manufacturing equipment, the cooling table! Since all of the thick plates that pass through this area are cooled, when quenching the plate, it must be reheated from room temperature to the temperature required for quenching, which poses a problem from an energy saving perspective. Furthermore, even if you try to harden thick plates on the above line, simply arranging the hardening equipment will cause the flow of the entire line to stagnate and reduce production efficiency if the plates to be hardened and those not to be hardened are passed in succession. It will drop.
本発明は従来の厚板圧延設備が有する前述の欠点を除去
し、省エネルギーを計り得て且つライン全体の流れもス
ムーズな厚板製造設備を提供することを目的としてなし
たものである。The present invention has been made with the object of eliminating the above-mentioned drawbacks of conventional plate rolling equipment, and providing a plate manufacturing equipment that can save energy and have smooth flow throughout the line.
以下、本発明の実施例を図面を参照しつつ説明する。Embodiments of the present invention will be described below with reference to the drawings.
第２図は広幅、大量生産に適する本発明の一実施例で、
スラブを鋳造する連鋳機１の下流側にスラブを一時的に
置くスラブヤード２を設置し、該スラブヤード２に、ス
ラブを加熱炉４へ送る搬送装置３の一端と加熱炉４を通
すことなく直接スラブを圧延ラインに送り得るようにし
た搬送テーブル５の一端を夫々位置せしめ、圧延ライン
に、上流側から下流側へ向けて順次デスケーリングボッ
クス６、部分急速加熱装置７、ノートリムエツジヤ−８
、粗ミル９、急速噴射冷却装置１０、部分急速加熱装置
１１、ライトエツジヤ−１２、仕上ミル１３、シＩ−プ
レベラ−１４、サイドスケールスプレィ１５を配設し、
該サイドスケールスプレィ１５の下流側に焼入れ処理装
置１６を配設する。Figure 2 shows an embodiment of the present invention suitable for wide-width, mass production.
A slab yard 2 where slabs are temporarily placed is installed downstream of a continuous caster 1 that casts slabs, and one end of a conveying device 3 for transporting slabs to a heating furnace 4 and the heating furnace 4 are passed through the slab yard 2. A descaling box 6, a partial rapid heating device 7, and a no-trim edger are placed on the rolling line in order from the upstream side to the downstream side. -8
, a roughing mill 9, a rapid injection cooling device 10, a partial rapid heating device 11, a light edger 12, a finishing mill 13, a steel preveler 14, and a side scale sprayer 15 are arranged,
A hardening treatment device 16 is disposed downstream of the side scale spray 15.
上記焼入れ処理装置１６の入側部には、圧延ライン内と
ライン外とを往復移動できる焼入れ装５−
置１７を配設し、圧延ライン内の焼入れ装置１７下流側
に、圧延ラインとシャーラインとをつなぐ冷却ベッド１
８を配設し、圧延ライン側の冷却ベッド１８の部分に急
速噴射冷却装置１９を配設し、冷却ベッド１８の圧延ラ
イン下流側に、厚板を圧延ライン外の搬送テーブル２１
に送るトランスファー装置２０を設け、該搬送テーブル
２１のラインに加熱炉２２を配設し、加熱炉２２から送
出された厚板を圧延ラインから走行してきた焼入れ装置
１７によって焼入れし得るようにする。A hardening device 5-17 that can reciprocate between the inside and outside of the rolling line is installed on the entry side of the hardening device 16, and the rolling line and shear line are connected downstream of the hardening device 17 in the rolling line. Cooling bed 1 that connects
8, and a rapid injection cooling device 19 is installed in the cooling bed 18 on the rolling line side, and the thick plate is transferred to the conveyor table 21 outside the rolling line on the downstream side of the rolling line of the cooling bed 18.
A heating furnace 22 is arranged on the line of the conveyance table 21, so that the thick plate sent from the heating furnace 22 can be hardened by the hardening device 17 running from the rolling line.
前記冷却ベッド１８のシャーライン側に噴射徐冷装置２
３を設け、シャーラインへ厚板を搬送する搬送テーブル
２４の一端を冷却ベッド１８のシャーライン側に位置せ
しめ、シャーラインに、上流側から下流側へ向けて順次
スリットシャー２５、分割シャー２６、フライングパイ
ラー２７、パイリングトランスファー２８を配設し、シ
ャーラインの外部所要位置に、搬送テーブル５の下流端
又は搬送テーブル２４の中途部から取出された厚板を焼
戻すための焼戻し炉２９及び焼戻された厚板６−
の平坦度を出゛リルベラー３０を配設する。An injection slow cooling device 2 is provided on the shear line side of the cooling bed 18.
3 is provided, and one end of the conveying table 24 for conveying the thick plate to the shear line is positioned on the shear line side of the cooling bed 18, and the slit shear 25, the dividing shear 26, A flying piler 27 and a piling transfer 28 are disposed, and a tempering furnace 29 and a tempering furnace are installed at required positions outside the shear line to temper the thick plate taken out from the downstream end of the conveyance table 5 or the midway part of the conveyance table 24. A drill flatter 30 is installed to check the flatness of the thick plate 6-.
連鋳機１で鋳造され引抜かれたスラブは所要の長さに切
断されてスラブヤード２に送られ、該スラブヤード２か
ら後工程へ送られるが、鋼種や寸法によって、あるもの
は搬送テーブル３によって加熱炉４へ送られ、ここで所
定の温度に加熱されてから圧延ラインの搬送テーブル５
へ送られるが、あるものは加熱炉４を通ることなく直接
搬送テーブル５へ送られる。The slabs cast and drawn by the continuous casting machine 1 are cut into required lengths and sent to the slab yard 2, and from the slab yard 2 they are sent to the subsequent process. is sent to the heating furnace 4, where it is heated to a predetermined temperature and then transferred to the conveyor table 5 of the rolling line.
However, some are sent directly to the conveyance table 5 without passing through the heating furnace 4.
搬送テーブル５へ送られたスラブは必要に応じてデスケ
ーリングボックス６によって表裏面及び両側部４面のス
ケールを除去され、部分的に温度が所定の温度より下降
している場合には部分急速加熱装置７によりその部分を
加熱し、ノートリムエツジヤ−８により、幅寸法を後工
程で両端耳部の切断をしないでも支障のないよう正確に
位置決めし、粗ミル９により板厚方向の圧下を行い、必
要により、急速噴射冷却装置１０により所定の温度まで
冷却し、或は部分急速加熱装置１１により加熱し、ライ
トエツジヤ−１２で幅寸法を修正し、仕上ミル１３によ
って板ｆ９が所定の寸法になるよう圧下されて厚板とな
り、しかる後シェープレベラー１４で形状修正され、サ
イドスケールスプレィ１５を通り、焼入れ処理装置１６
へ送られる。The slab sent to the conveyance table 5 is descaled from the front and back surfaces and four sides of both sides by a descaling box 6 as necessary, and if the temperature is partially lower than a predetermined temperature, it is partially heated rapidly. The device 7 heats the area, the no trim edger 8 accurately positions the width dimension so that there is no problem even if the edges are not cut at both ends in the later process, and the coarse mill 9 rolls down the plate in the thickness direction. If necessary, the plate f9 is cooled to a predetermined temperature by the rapid injection cooling device 10, or heated by the partial rapid heating device 11, the width dimension is corrected by the light edger 12, and the plate f9 is made to the predetermined size by the finishing mill 13. After that, the shape is corrected by a shape leveler 14, passed through a side scale sprayer 15, and then passed through a hardening treatment device 16.
sent to.
焼入れ処理装置１６へ送られた厚板はライン内で焼入れ
される場合には、ライン上にある焼入れ装置１７により
焼入れをされ、冷却ベッド１８で自然放冷により冷却さ
れてシャーラインへ送られるが、ライン外で焼入れが行
われる場合には、搬送テーブル５下流端からトランスフ
ァー装置２０により搬送テーブル２１へ送られ、加熱炉
２２で加熱の後、ライン外へ移動してきて待機している
焼入れ装置１１により焼入れされる。又、ライン内で焼
入れされた厚板は、冷却ベッド１８に送られず、焼戻し
炉２９へ送られて焼戻しされ、レベラー３０により平坦
にされるものもある。急速噴射冷却装置１９、噴射徐冷
装置２３も必要に応じて使用される。When the thick plate sent to the hardening treatment device 16 is hardened in the line, it is hardened by the hardening device 17 located on the line, cooled by natural cooling in the cooling bed 18, and sent to the shear line. When hardening is performed outside the line, the hardening device 11 is sent from the downstream end of the conveyance table 5 to the conveyance table 21 by the transfer device 20, heated in the heating furnace 22, and then moved outside the line and is on standby. Hardened by Further, some of the thick plates hardened in the line are not sent to the cooling bed 18 but are sent to a tempering furnace 29 where they are tempered and flattened by a leveler 30. The rapid injection cooling device 19 and the injection slow cooling device 23 are also used as necessary.
シャーラインへ送られた厚板は、広幅のものを狭幅にす
る必要のある場合にはスリットシャ＝２５によって切断
線が長手方向になるよう複数に切断され、又狭幅にする
必要のない場合にはそのまま分割シャー２６に送られて
長手方向に所要の長さに切断されて製品となり、フライ
ングパイラー２１によって積重ねられ、パイリングトラ
ンスファー２８によって次工程へ搬送される。When the planks sent to the shear line need to be narrowed from a wide one, they are cut into multiple pieces using a slit shear = 25 so that the cutting line runs in the longitudinal direction, and there is no need to make them narrow. In this case, the products are sent as they are to the dividing shear 26 and cut into required lengths in the longitudinal direction to form products, which are stacked by the flying piler 21 and transported to the next process by the piling transfer 28.
鋼種や寸法によっては分割シャー２６で定尺に切断され
た後焼戻し炉２９に送られ、焼戻しされた後レベラー３
０により平坦にされるものもある。Depending on the steel type and dimensions, the dividing shear 26 cuts the steel into regular lengths and then sends it to the tempering furnace 29 where it is tempered and then passed through the leveler 3.
Some are flattened by 0.
焼入れ処理装置１６により焼入れする場合には、従来の
ように一旦略常温程度に冷却されたものを再加熱する必
要はなく、上流側での熱をそのまま利用して焼入れする
か、或は加熱炉２２により加熱するにしても加熱に要す
るエネルギーが少なくてすむため、省エネルギーに貢献
し得る。When quenching is performed using the quenching treatment device 16, there is no need to reheat the material once it has been cooled to approximately room temperature as in the conventional method, and the quenching is performed by directly utilizing the heat from the upstream side, or by using a heating furnace. 22, the energy required for heating is small, which can contribute to energy saving.
又、加熱炉２２で加熱してから焼入れを行う作業をして
いる間に、次の厚板が送られてきた場合、焼入れ作業は
ライン外で行われているため厚板を送るには同等支障が
生じず、従ってライン全一〇一
体の流れがスムーズである。Also, if the next thick plate is sent while heating in the heating furnace 22 and quenching, the hardening process is being done outside the line, so it will take the same amount of time to send the thick plate. There are no hindrances, so the entire line flows smoothly.
第３図は狭幅、中鏝生産に適する本発明の他の実施例で
、前記実施例ど異なる主な点は、デスケーリングボック
ス６と部分急速加熱装置１との間及び焼入れ処理装＠１
６の直前に、急速噴射冷却装置１０を配設し、エツジヤ
−をノートリムエツジヤ−８のみとし、ミルを粗、仕上
共用のミル９′とし、ライン内で焼入れを行った場合に
は、焼入れ装＠１１の下流側にホットレベラー３１を配
設しておき、該ホットレベラー３１により厚板を平坦に
し、シャーラインからスリットシャーを除去したことで
ある。図中第２図に示す符号と同一の符号のものは同一
のものを示す。FIG. 3 shows another embodiment of the present invention suitable for producing narrow-width and medium-sized trowels.
6, a rapid injection cooling device 10 is installed, the edger is a no-rim edger 8 only, the mill is a roughing and finishing mill 9', and quenching is performed in the line. A hot leveler 31 is disposed downstream of the hardening device @11, and the hot leveler 31 flattens the thick plate and removes the slit shear from the shear line. In the figure, the same reference numerals as those shown in FIG. 2 indicate the same parts.
上記実施例においても、第２図に示す場合と同様、省エ
ネルギーを計ることができ、且つライン全体の流れもス
ムーズになる。In the above embodiment as well, as in the case shown in FIG. 2, energy can be saved and the flow of the entire line can be made smooth.
なお、本発明は前述の実施例に限定されるものではなく
、本発明の要旨を逸脱しない範囲内で種々変更を加え得
ることは勿論である。It should be noted that the present invention is not limited to the above-described embodiments, and it goes without saying that various changes can be made without departing from the gist of the present invention.
本発明の厚板圧延設備によれば、移動可能な１０−
焼入れ装置によりライン内及びライン外の何れにおいて
も焼入れを行うことができるため、厚板を低い調度から
高い潤度まで加熱する必要がなく、従って省エネルギー
化を計ることができ、又ライン内で焼入れを行うものと
ライン外で焼入れを行うものが送られてきても、ライン
全体の流れはスムーズであり、生産能率が向上する、等
積々の優れた効果を奏し得る。According to the plate rolling equipment of the present invention, the movable 10-quenching device allows quenching to be performed both inside and outside the line, so that it is not necessary to heat the plate from a low temperature to a high moisture level. Therefore, it is possible to save energy, and even if some products are hardened inside the line and others are hardened outside the line, the flow of the entire line is smooth, improving production efficiency, etc. It can produce many excellent effects.
第１図は従来例の説明図、第２図は本発明の一実施例の
説明図、第３図は本発明の他の実施例の説明図である。
図中８はノートリムエツジヤ−１９は粗ミル、１２はラ
イトエツジヤ−１１３は仕上ミル、１６は焼入れ処理装
置、１１は焼入れ装置、１８は冷却ベッド、２０はトラ
ンスファー装置、２２は加熱炉、２５はスリットシャー
、２６は分割シャーを示す。
１１−FIG. 1 is an explanatory diagram of a conventional example, FIG. 2 is an explanatory diagram of one embodiment of the present invention, and FIG. 3 is an explanatory diagram of another embodiment of the present invention. In the figure, 8 is a normal edger, 19 is a rough mill, 12 is a light edger, 113 is a finishing mill, 16 is a quenching treatment device, 11 is a quenching device, 18 is a cooling bed, 20 is a transfer device, 22 is a heating furnace, 25 indicates a slit shear, and 26 indicates a split shear. 11-
Claims (1)
ーラインへ送り所定の長さに切断するようにした設備に
おいて、圧延ラインからシャーラインへの移行部に、圧
延ライン外に設けられ圧延ライン内から送られてきた厚
板を加熱する加熱装置と、圧延ラインと前記加熱装置と
を設けたラインとの間を走行し得る焼入れ装置とを、設
けたことを特徴とする厚板圧延設備。1)' In equipment that transports a thick plate rolled on a rolling line from the rolling line to a shear line and cuts it into a predetermined length, a rolling line is installed outside the rolling line at the transition from the rolling line to the shear line. A thick plate rolling facility comprising: a heating device that heats a thick plate sent from inside; and a quenching device that can run between a rolling line and a line provided with the heating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18011882A JPS6056562B2 (en) | 1982-10-14 | 1982-10-14 | Plate rolling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18011882A JPS6056562B2 (en) | 1982-10-14 | 1982-10-14 | Plate rolling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5970404A true JPS5970404A (en) | 1984-04-20 |
| JPS6056562B2 JPS6056562B2 (en) | 1985-12-11 |
Family
ID=16077729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18011882A Expired JPS6056562B2 (en) | 1982-10-14 | 1982-10-14 | Plate rolling equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6056562B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022549653A (en) * | 2019-09-30 | 2022-11-28 | 宝鋼湛江鋼鉄有限公司 | Thick and medium plate production line and production method directly connected to an efficient two-stand double cutting line |
-
1982
- 1982-10-14 JP JP18011882A patent/JPS6056562B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022549653A (en) * | 2019-09-30 | 2022-11-28 | 宝鋼湛江鋼鉄有限公司 | Thick and medium plate production line and production method directly connected to an efficient two-stand double cutting line |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6056562B2 (en) | 1985-12-11 |
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