JPS6037208A - Cooling equipment for hot rolled plates - Google Patents
Cooling equipment for hot rolled platesInfo
- Publication number
- JPS6037208A JPS6037208A JP13167784A JP13167784A JPS6037208A JP S6037208 A JPS6037208 A JP S6037208A JP 13167784 A JP13167784 A JP 13167784A JP 13167784 A JP13167784 A JP 13167784A JP S6037208 A JPS6037208 A JP S6037208A
- Authority
- JP
- Japan
- Prior art keywords
- water
- cooling water
- cooling
- plate
- strip
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 21
- 239000000498 cooling water Substances 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000011084 recovery Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 3
- 238000005098 hot rolling Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
Description
【発明の詳細な説明】
熱間連続圧延設備においては、ストリップが仕上圧延機
群から出て巻き取られるまでの間にホットランテーブル
上で冷却されるが、本発明はそのときのストリップ温度
を制御する冷却装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION In continuous hot rolling equipment, the strip is cooled on a hot run table before it leaves the finishing mill group and is wound up, and the present invention controls the temperature of the strip at that time. The present invention relates to a cooling device.
仕上圧延を終了したストリップ（熱間圧延板）は、ホッ
トランテーブル上を走行中に水冷却を受けて冷却され所
定の温度に下ったところで巻取られる。このときの温度
は製品品質によって夫々決められており、冶金学上の目
的から圧延時の温度を適正にすることと同じく、上記ホ
ットランテーブル上でのストリップの温度制御は製品品
質に重要な影響を与えるものであり、大変重要である。The strip (hot-rolled plate) that has been finish rolled is water-cooled while running on a hot-run table, and is wound up when the temperature drops to a predetermined temperature. The temperature at this time is determined by the product quality, and just as the temperature during rolling must be appropriate for metallurgical purposes, temperature control of the strip on the hot run table has an important effect on product quality. It is something that we give, and it is very important.
一般に熱間連続圧延設備と呼ばれる装置は、その概略配
置構成を第１図に示す如く、加熱炉（α）から出たスト
リップ（ｈ）がバーチカルエツジヤ−（Ｃ）、粗圧延機
（ｄ）、仕上圧延機（Ｃ）、ホットランテーブル（Ｉ）
及び冷却ゾーン（ｇ）を経た後コイラーＩｈ））に巻取
られるように構成されており、上記ホットランテーブル
σ）上の冷却ゾーン（！Ｉ）には冷却効果のよいラミナ
ーフロー冷却方式による冷却装置が採用されている。こ
の冷却装置は第２図に示すようにヘッダー＋＝）に取付
けられた多数のサイフオンノズル（））より水柱状の冷
却水（ｋ）を高温のス）＋Ｊツブ（ｂ）に注水するよう
にしたものである。この方式の冷却装置は高温のストリ
ップ（ｂ）上の水層や蒸気層を貫通して新しい冷却水を
ス）ＩＪツブに直接接触させることができて有効である
が、最近では第３−及び第４図に示す如くスリットノズ
ル（句から水板状の冷却水（ｍ）を流すようにしたほう
がより一層冷却能率が向上しまたストリップｆＡ）の幅
方向に均一な冷却ができる等の優れた利点があることか
ら、給水ベツグ（７Ｌ）からの水を一旦貯水槽（Ｏ）で
溜めた後、上部開放形のスリットノズル（ｔ）から水板
状の冷却水（−）を落下させて冷却するようにしている
。しかし水板状の冷却水＋ｍ）を作るには実用上１．５
ｍ〜２ｍの水流の落下高さが必要なため、スリットノズ
ル（１）からストリップ（ｈ）上面までの落下水流を板
ガラス状の透明な水流として安定して発生させることは
大変困難であり、水流が破断したり流速が早くなって不
透明な乱流となり、冷却効果をかえって悪化させてしま
う問題を生じたり、又落下する冷５却水ｔｍ）の幅調整
を水流に乱れを生じさせることなく安定して行わせるこ
とが困難である等の問題を有していた。In the equipment generally called continuous hot rolling equipment, as shown in Fig. 1, the strip (h) coming out of the heating furnace (α) is transferred to the vertical edger (C) and the rough rolling mill (d). , finishing rolling mill (C), hot run table (I)
The cooling zone (!I) above the hot run table σ) is equipped with a cooling device using a laminar flow cooling method with good cooling effect. has been adopted. As shown in Figure 2, this cooling device injects a column of cooling water (k) into the high-temperature S)+J tube (b) from a number of siphon nozzles ()) attached to the header +=). This is what I did. This type of cooling device is effective because it can penetrate the water layer or vapor layer on the hot strip (b) and bring new cooling water into direct contact with the IJ tube (b). As shown in Figure 4, the cooling efficiency is further improved by flowing the cooling water (m) in the shape of a water plate through the slit nozzle, and the cooling can be uniformly cooled in the width direction of the strip fA. Because of its advantages, after the water from the water supply bed (7L) is stored in the water tank (O), a plate-shaped cooling water (-) is dropped from the slit nozzle (t) with an open top for cooling. I try to do that. However, in practice, it is 1.5 to make water plate-shaped cooling water + m).
Since the falling height of the water flow is required to be between m and 2 m, it is very difficult to stably generate the falling water flow from the slit nozzle (1) to the top surface of the strip (h) as a transparent water flow like a plate glass. It is possible to stabilize the width of the falling cooling water without causing any turbulence or turbulence in the water flow. However, there were problems such as it being difficult to make the process work.
本発明は、こうした板状の冷却水流の水流幅を安定して
調整できるようにしようとしてなしたもので、スリット
ノズルの下部に、該スリットノズルより板状（＝落下す
る冷却水の水流幅を、前記スリットノズルより吐出後に
、熱間圧延板の両側端より中央部方向（二向って遮蔽し
て調整するようにした遮蔽機構を設けたものである。The present invention was made in an attempt to stably adjust the water flow width of such a plate-shaped cooling water flow. After discharge from the slit nozzle, a shielding mechanism is provided which shields and adjusts from both ends of the hot rolled plate toward the center (two directions).
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５図及び第６図は本発明の一例を示す全体図であり、
主管（１１から分岐してなる適宜長さの給水管（２）を
固定架台（３）に対し固定ブラケット（４）を介して固
定支持せしめ、且つその先端部を閉塞具（５）により密
閉している。上記給水管（２）の外周には両端部に軸受
（６）及びシール装置（７）を備えて上記給水管（２）
の外周を気密を保持しつつ回転できる回転筒体（８）が
設けられている。回転筒体（８）の頂部には適宜長さの
スリット状開口（９）を設け、更に上記回転筒体（８）
の上部には、上記スリット状開口（９）に−側端を連結
し且つその他側端が垂直下方に開口するように略半円弧
状を有してなるスリットノズル（１０）が設けられてい
る。更に前記回転筒体（８）の下部には、前記スリット
ノズル００）から吐出されて落下して来る板状冷却水（
２２）を遮蔽してその幅調整を行うための冷却水回収板
（１１）が回転筒体（８）の下側を包むように設けられ
ている。該冷却水回収板（ＩＩ）における前記スリット
ノズル（１０）の開口吐出側には、回転筒体（８）との
間に回収用間隙（１２）を有していると共にその底部−
側には排出溝０３）に水を導くよう（ニした排水管（１
４）の端部が連結されている。またスリットノズル００
）が設けられた位置と略同等の位置（＝おける給水管（
２）の外周下半分には、多数の通水孔（１５１を等間隔
に設けている。更に前記固定架台（３）に設けたブラケ
ツＨ］６１＋＝シリンダ０力をビン（１８）連結し、且
つそのシリンダロッド０９）の先端を回転筒体（８）の
外周に設けたブラケット（２０）にピン（２１）連結し
、」１記シリンダＯｎの作動により前記回転筒体（８）
を回転駆動できるよう構成している。FIG. 5 and FIG. 6 are overall views showing an example of the present invention,
A water supply pipe (2) of an appropriate length branched from the main pipe (11) is fixedly supported on a fixed frame (3) via a fixed bracket (4), and its tip is sealed with a closure device (5). The outer periphery of the water supply pipe (2) is equipped with bearings (6) and sealing devices (7) at both ends.
A rotary cylindrical body (8) is provided that can rotate while keeping the outer periphery of the cylinder airtight. A slit-like opening (9) of an appropriate length is provided at the top of the rotating cylinder (8), and the rotating cylinder (8)
A slit nozzle (10) having a substantially semicircular arc shape is provided at the upper part of the nozzle, the negative side end being connected to the slit opening (9), and the other side end opening vertically downward. . Further, at the bottom of the rotating cylinder (8), there is a plate-shaped cooling water (
A cooling water recovery plate (11) is provided to cover the lower side of the rotating cylinder (8) and to adjust the width of the rotating cylinder (8). The cooling water recovery plate (II) has a recovery gap (12) between it and the rotary cylinder (8) on the opening discharge side of the slit nozzle (10), and has a recovery gap (12) at the bottom thereof.
There is a drain pipe (1) on the side that leads water to the drain groove (03).
The ends of 4) are connected. Also slit nozzle 00
) is located at approximately the same position as the water supply pipe (
In the lower half of the outer circumference of 2), a large number of water holes (151) are provided at equal intervals.Furthermore, the bracket H]61+=cylinder 0 force provided on the fixed pedestal (3) is connected to the bottle (18), The tip of the cylinder rod 09) is connected by a pin (21) to a bracket (20) provided on the outer periphery of the rotating cylinder (8), and the rotating cylinder (8)
It is configured so that it can be rotated.
」−記構成によれば、給水管（２）内を流れて来る冷却
水は、まず給水管（２）の外周下半部に設けられた通水
孔（１５］を通って回転筒体（８）内に入り、該回転筒
体（８）内を満した後、フローして上部（二設けられた
スリットノズル００）内を通りその垂直な開口部より板
状の冷却水（２２）となって吐出され、安定した水流と
なって図示されないストリップの冷却を行う。また図示
の状態からシリンダ面を縮小作動させて回転筒体（８）
を回転させ、冷却水回収板（１υを第５図右側に張り出
させて、スリットノズル（１０）からの板状冷却水（２
２１の一部又は全部を回収用間隙０２から冷却水回収板
０１）内に回収し、排水管圓及び排水溝（１３）を介し
て図示しないタンク等に戻すことにより、前記板状冷却
水（２りの落下を任意に遮断して、板状冷却水（２税の
幅調整、或いはストリップの冷却操作の停止を行うこと
ができる。According to the above configuration, the cooling water flowing through the water supply pipe (2) first passes through the water passage hole (15) provided in the lower half of the outer circumference of the water supply pipe (2), and then passes through the rotating cylinder ( 8) After filling the inside of the rotary cylinder (8), it flows through the upper part (two slit nozzles 00) and the plate-shaped cooling water (22) from its vertical opening. The water is discharged as a stable water stream and cools the strip (not shown).Also, from the state shown in the drawing, the cylinder surface is reduced and the rotating cylinder (8)
, rotate the cooling water collection plate (1υ) to the right side in Fig. 5, and collect the plate-shaped cooling water (2
A part or all of the cooling water 21 is recovered from the recovery gap 02 into the cooling water recovery plate 01) and returned to a tank (not shown) through the drain pipe round and drain groove (13). It is possible to arbitrarily block the fall of the two strips of cooling water to adjust the width of the strip cooling water (two strips) or stop the cooling operation of the strip.
第７図及び第８図は前記冷却水回収板（遮蔽機構）の他
の詳細例を示すもので、前記実施例（二おける回転筒体
（８）を固定筒体（８１とし、且つ該固定筒体（８）の
下部には、幅調整板（ハ）を備えた冷却水回収板（２４
＋が支点ピン（２５）を中心に回動可能に取付けられて
おり、上記幅調整板（２３）は中心部に適宜の幅で板状
冷却水（２りと平行（二設けられた平行部（２３ａ）と
、両側部において板状冷却水（２２１に対して所定の角
度で傾斜するように設けられた傾斜部（２３ｂ）とを有
している。この実施例においては冷却水回収板（２３）
を回動させることにより、板状冷却水路の落下幅をスリ
ットノズル００）の吐出幅と前記平行部（２３ａ）の幅
との間で両側端より中央部（二向って稠整し、ストリッ
プの幅に適合させて冷却水を有効に使用することができ
る。第７図（Ａ）ＣＢ） （Ｃ）は」−記の作用を行っ
ているもので、（Ａ）は第８図Ａ′の如く板状冷却水（
２２１の全幅でストリップ冷却を行っている状態、ＣＢ
）はＢ′の如く板状冷却水路の幅調整を行っている状態
、（Ｃ）はσの如く板状冷却水路の総てを冷却水回収板
（２４に回収させてストリップの冷却を停止した状態を
示している。7 and 8 show other detailed examples of the cooling water recovery plate (shielding mechanism), in which the rotating cylinder (8) in the second embodiment is replaced with a fixed cylinder (81), and the At the bottom of the cylindrical body (8), there is a cooling water recovery plate (24) equipped with a width adjustment plate (c).
The width adjustment plate (23) has a plate-shaped cooling water (2 parallel parts) with an appropriate width in the center. (23a), and inclined portions (23b) provided on both sides to be inclined at a predetermined angle with respect to the plate-shaped cooling water (221).In this embodiment, the cooling water recovery plate ( 23)
By rotating the strip, the falling width of the plate-shaped cooling water channel is adjusted between the discharge width of the slit nozzle 00) and the width of the parallel part (23a) from the both ends to the center part (two directions). Cooling water can be used effectively depending on the width. Fig. 7 (A) CB) (C) performs the action shown in Figure 8 A'. Like plate-shaped cooling water (
CB with strip cooling across the entire width of 221
) is a state in which the width of the plate-shaped cooling water channel is being adjusted as shown in B', and (C) is a state in which all of the plate-like cooling water channels are collected by the cooling water recovery plate (24) and cooling of the strip is stopped as shown in σ. Indicates the condition.
尚、本発明は上記実施例にのみ限定されるものではなく
、冷却水回収板の形状は種々変更できること、回転筒体
及び冷却水回収板の回動駆動装置（′″−は種々の装置
を採用できること、その他本発明の要旨を逸脱しない範
囲内において種種変更を加え得ること、等は勿論である
。It should be noted that the present invention is not limited to the above-mentioned embodiments, and that the shape of the cooling water recovery plate can be changed in various ways, and that the rotary cylinder and the rotational drive device ('''-) of the cooling water recovery plate can be modified in various ways. It goes without saying that the present invention can be adopted, and that various changes can be made within the scope of the invention.
上述した本発明の熱間圧延板の冷却装置によれば、冷却
水遮蔽機構を設けたことにより、板状冷却水の幅調整、
及び冷却水を回収して冷却操作の停止を任意に行って冷
却水の有効な利用を図ることができると共に、遮蔽機構
がスリットノズルから吐出された後の板状冷却水の一部
を幅方向に遮蔽することにより板状冷却水の幅調整を行
うようにしているので、冷却水の落下水流に乱れを生じ
させることなく安定した幅調整が可能となる、等の優れ
た効果を発揮する。According to the hot-rolled plate cooling device of the present invention described above, by providing the cooling water shielding mechanism, the width adjustment of the plate-shaped cooling water,
In addition, the cooling water can be collected and the cooling operation can be arbitrarily stopped to effectively utilize the cooling water, and the shielding mechanism can also collect part of the plate-shaped cooling water after being discharged from the slit nozzle in the width direction. Since the width of the plate-shaped cooling water is adjusted by shielding the cooling water, it exhibits excellent effects such as being able to stably adjust the width without causing turbulence in the falling flow of cooling water.
第１図は一般の熱間連続圧延設備の概略を示す説明図、
第２図は従来の冷却装置の一例を示す斜視図、第３図は
従来の更に別の例を示す切断側面図、第４図は第３図の
ＴＶ−ＩＶ矢視図、第５図及び第６図は本発明の一実施
例を示す全体切断側面図及び正面図、第７図は遮蔽機構
の他の詳細例を示す切断側面図であり（Ａ） ＣＢ）
（Ｃ）は夫々作用状態を示しており、第８図は第７図の
■−■矢視図である。
（２）は給水管、（８）は回転筒体、（８′）は固定筒
体、（１０）はスリットノズル、（ＩＩ）は冷却水回収
板、０ηはシリンダ、（２２１は板状冷却水、（２３）
は幅調整板、（２勺は冷却水回収板、■は支点ピンを示
す。
特許出願人
石川島播磨重工業株式会社Figure 1 is an explanatory diagram showing the outline of a general continuous hot rolling facility;
FIG. 2 is a perspective view showing an example of a conventional cooling device, FIG. 3 is a cutaway side view showing yet another example of the conventional cooling device, FIG. 4 is a view taken along the TV-IV arrow in FIG. 3, FIG. FIG. 6 is an overall cutaway side view and front view showing one embodiment of the present invention, and FIG. 7 is a cutaway side view showing another detailed example of the shielding mechanism (A) CB)
(C) shows the respective operating states, and FIG. 8 is a view taken along the ■-■ arrow in FIG. 7. (2) is the water supply pipe, (8) is the rotating cylinder, (8') is the fixed cylinder, (10) is the slit nozzle, (II) is the cooling water recovery plate, 0η is the cylinder, (221 is the plate cooling water, (23)
indicates the width adjustment plate, (2 indicates the cooling water recovery plate, ■ indicates the fulcrum pin. Patent applicant Ishikawajima Harima Heavy Industries Co., Ltd.
Claims (1)
板状に落下する冷却水の水流幅を、前記スリットノズル
より吐出後に、熱間圧延板の両側端より中央部方向に向
って遮蔽して調整するようにした遮蔽機構を設けて水流
幅の調節を可能にしたことを特徴とする熱間圧延板の冷
却装置。l) Lower part of the slit nozzle (-1 Adjust the flow width of the cooling water that falls in a plate shape from the slit nozzle by shielding it from both ends of the hot rolled plate toward the center after being discharged from the slit nozzle. 1. A cooling device for a hot rolled plate, characterized in that a shielding mechanism as described above is provided to enable adjustment of water flow width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13167784A JPS6037208A (en) | 1984-06-26 | 1984-06-26 | Cooling equipment for hot rolled plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13167784A JPS6037208A (en) | 1984-06-26 | 1984-06-26 | Cooling equipment for hot rolled plates |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11439678A Division JPS5542125A (en) | 1978-09-18 | 1978-09-18 | Cooling device of hot rolled plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6037208A true JPS6037208A (en) | 1985-02-26 |
| JPS6246248B2 JPS6246248B2 (en) | 1987-10-01 |
Family
ID=15063639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13167784A Granted JPS6037208A (en) | 1984-06-26 | 1984-06-26 | Cooling equipment for hot rolled plates |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6037208A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5554209A (en) * | 1978-10-16 | 1980-04-21 | Ishikawajima Harima Heavy Ind Co Ltd | Cooler for hot rolled material |
| JP2010036216A (en) * | 2008-08-05 | 2010-02-18 | Jfe Steel Corp | Cooling device of steel plate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5113096A (en) * | 1974-07-24 | 1976-02-02 | Hitachi Ltd | |
| JPS5371661A (en) * | 1976-12-09 | 1978-06-26 | Kobe Steel Ltd | Metal plate cold rolling process |
| JPS5462151A (en) * | 1977-10-28 | 1979-05-18 | Kawasaki Steel Co | Temperature equalizing method of steel plate during rolling |
-
1984
- 1984-06-26 JP JP13167784A patent/JPS6037208A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5113096A (en) * | 1974-07-24 | 1976-02-02 | Hitachi Ltd | |
| JPS5371661A (en) * | 1976-12-09 | 1978-06-26 | Kobe Steel Ltd | Metal plate cold rolling process |
| JPS5462151A (en) * | 1977-10-28 | 1979-05-18 | Kawasaki Steel Co | Temperature equalizing method of steel plate during rolling |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5554209A (en) * | 1978-10-16 | 1980-04-21 | Ishikawajima Harima Heavy Ind Co Ltd | Cooler for hot rolled material |
| JP2010036216A (en) * | 2008-08-05 | 2010-02-18 | Jfe Steel Corp | Cooling device of steel plate |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6246248B2 (en) | 1987-10-01 |
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