JPH0135894B2 - - Google Patents
Info
- Publication number
- JPH0135894B2 JPH0135894B2 JP5090182A JP5090182A JPH0135894B2 JP H0135894 B2 JPH0135894 B2 JP H0135894B2 JP 5090182 A JP5090182 A JP 5090182A JP 5090182 A JP5090182 A JP 5090182A JP H0135894 B2 JPH0135894 B2 JP H0135894B2
- Authority
- JP
- Japan
- Prior art keywords
- slab
- heat insulating
- heating
- insulating plate
- fixed
- 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.)
- Expired
Links
- 238000010438 heat treatment Methods 0.000 claims description 25
- 238000009749 continuous casting Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011810 insulating material Substances 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
- B21B45/004—Heating the product
-
- 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
- B21B1/46—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 metal immediately subsequent to continuous casting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Description
【発明の詳細な説明】
この発明は、連続鋳造設備、特に湾曲形連続鋳
造設備における鋳片加熱装置に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a slab heating device for continuous casting equipment, particularly curved continuous casting equipment.
湾曲形連続鋳造設備における鋳片の鋳造態様の
概要を第１図を参照しながら説明する。 An overview of the method of casting slabs in curved continuous casting equipment will be explained with reference to FIG.
取鍋１からタンデイツシユ２に注入された溶鋼
３は、タンデイツシユ２から鋳型４に注入され
る。鋳型４に注入された溶鋼３は、鋳型４の下部
から多数の鋳片案内ロール５によつて２次冷却帯
８を湾曲されながら案内される。この後鋳片６
は、次第に水平に矯正され、完全に凝固した鋳片
６は切断装置７によつて所定長さに切断され、次
工程に搬送される。 Molten steel 3 injected from the ladle 1 into the tundish 2 is injected from the tundish 2 into the mold 4. The molten steel 3 injected into the mold 4 is guided from the lower part of the mold 4 through a secondary cooling zone 8 while being curved by a large number of slab guide rolls 5 . After this, slab 6
The slab 6 is gradually straightened horizontally, and the completely solidified slab 6 is cut into a predetermined length by a cutting device 7 and transported to the next process.
ところで、従来切断機７によつて所定長さに切
断された鋳片は、一旦常温まで冷却された後疵取
り等が行なわれ、この後加熱炉によつて再加熱さ
れ、次工程の圧延ラインに搬送されるのが一般的
であつた。 By the way, the slab cut into a predetermined length by the conventional cutting machine 7 is once cooled to room temperature, and then subjected to flaw removal, etc. After that, it is reheated in a heating furnace and sent to the rolling line for the next process. It was common for them to be transported to
しかし、上記方法では切断直後の900℃以上の
高温鋳片を常温まで冷却するための冷却設備およ
び疵取り等が行なわれた鋳片を再加熱するための
加熱炉が必要とされるので、多額の設備費を要す
るとともに多大のエネルギーロスにもなつてい
た。 However, the above method requires cooling equipment to cool the high-temperature slab of 900℃ or higher to room temperature immediately after cutting, and a heating furnace to reheat the slab after removing defects. In addition to requiring equipment costs, it also resulted in a large amount of energy loss.
そこで、近年、鋳造方法の種々の改善により鋳
片の疵取りが不要となつたこと等の理由により、
上記設備費の削減および省エネルギー等を目的と
して、切断直後の高温鋳片を常温に冷却すること
なく、そのまま直接圧延ラインに搬送する、所
謂、ホツトダイレクトローリング（HDR）が一
部試みられている。 In recent years, various improvements in casting methods have made it unnecessary to remove defects from cast slabs.
For the purpose of reducing the above-mentioned equipment costs and saving energy, some attempts have been made to use so-called hot direct rolling (HDR), in which hot slabs immediately after cutting are directly conveyed to a rolling line without being cooled to room temperature.
上記ホツトダイレクトローリングを実施するに
は結局、鋳片の温度低下を防止すれば良いのであ
り、この１つの方法として鋳片移動通路に鋳片を
カバーする如く断熱材を設置する方法があるが、
ある程度の温度低下は免れず、円滑なホツトダイ
レクトローリングを実施することができない場合
がある。 In order to carry out the above-mentioned hot direct rolling, all that is needed is to prevent the temperature of the slab from decreasing, and one method for this is to install a heat insulating material in the slab movement path to cover the slab.
A certain degree of temperature drop is inevitable, and smooth hot direct rolling may not be possible.
この発明は、上記問題点に鑑みなされたもので
あつて、
連続鋳造設備により鋳造された鋳片の移動通路
に設置される鋳片加熱装置であつて、一対の鋳片
長辺面加熱用バーナー装置と、一対の鋳片短辺面
加熱用バーナー装置とから構成され、前記一対の
鋳片長辺面加熱用バーナー装置の各々は、鋳片長
辺面と間隔をあけて鋳片巾方向に水平に固定され
た固定断熱板と、前記固定断熱板に直角に間隔を
あけて固定された複数本のバーナーとからなり、
前記一対の鋳片短辺面加熱用バーナー装置の各々
は、鋳片短辺面と間隔をあけて鋳片高さ方向に垂
直に設けられた可動断熱板と、前記可動断熱板に
直角に間隔をあけて固定された複数本のバーナー
とからなり、前記一対の鋳片短辺面加熱用バーナ
ー装置の各々は、鋳片巾方向に移動可能になつて
いることに特徴を有する。 The present invention has been made in view of the above problems, and is a slab heating device installed in a passage for moving slabs cast by continuous casting equipment, which comprises a pair of burner devices for heating long side surfaces of slabs. and a pair of burner devices for heating the short sides of the slab, each of the pair of burner devices for heating the long sides of the slab being fixed horizontally in the width direction of the slab with an interval from the long sides of the slab. a fixed heat insulating board, and a plurality of burners fixed at right angles to the fixed heat insulating board at intervals,
Each of the pair of burner devices for heating the short side of the slab includes a movable heat insulating plate provided perpendicularly to the height direction of the cast slab at a distance from the short side of the cast slab, and a movable heat insulating plate provided at right angles to the movable heat insulating plate at a distance from the short side of the cast slab. It consists of a plurality of burners fixed at intervals, and each of the pair of burner devices for heating the short side of the slab is characterized in that it is movable in the width direction of the slab.
この発明を実施例により図面を参照しながら説
明する。 The present invention will be described by way of examples with reference to the drawings.
第２図は、この発明の実施例の斜視図、第３図
は、同部分断面図である。 FIG. 2 is a perspective view of an embodiment of the invention, and FIG. 3 is a partial sectional view of the same.
第２図および第３図において、９，９は、一対
の鋳片長辺面加熱用バーナー装置である。バーナ
ー装置９は、鋳片長辺面と間隔をあけて鋳片巾方
向に水平に固定された固定断熱板１０と、固定断
熱板１０を貫通し、鋳片巾方向に間隔をあけて直
角に固定された複数本のバーナー１１とから構成
されている。バーナー１１には、燃料供給管１２
と燃焼気体供給管１３とが接続されている。１
４，１４は、一対の鋳片短辺面加熱用バーナー装
置である。バーナー装置１４は、鋳片短辺面と間
隔をあけて鋳片高さ方向に垂直に設けられた可動
断熱板１５と、可動断熱板１５の鋳片高さ方向に
間隔をあけて直角に固定された複数本のバーナー
１６とから構成されている。バーナー１６には燃
料供給管１７と燃焼気体供給管１８とが接続され
ている。一対の鋳片短辺面加熱用バーナー装置１
４，１４の各々は、第３図に示されるように、シ
リンダ等からなる移動装置１９によつて鋳片巾方
向に移動可能になつている。 In FIGS. 2 and 3, reference numerals 9 and 9 indicate a pair of burner devices for heating the long sides of the slab. The burner device 9 passes through a fixed heat insulating plate 10 that is fixed horizontally in the slab width direction with an interval from the long side surface of the slab, and is fixed at a right angle with an interval in the slab width direction. It consists of a plurality of burners 11. The burner 11 has a fuel supply pipe 12
and the combustion gas supply pipe 13 are connected. 1
4 and 14 are a pair of burner devices for heating the short sides of the slab. The burner device 14 is fixed to a movable heat insulating plate 15 which is provided perpendicularly to the slab height direction with an interval from the short side surface of the slab, and the movable heat insulating plate 15 is fixed at a right angle with an interval in the slab height direction. It consists of a plurality of burners 16. A fuel supply pipe 17 and a combustion gas supply pipe 18 are connected to the burner 16 . A pair of burner devices 1 for heating short side surfaces of slabs
As shown in FIG. 3, each of 4 and 14 is movable in the slab width direction by a moving device 19 consisting of a cylinder or the like.
上記のように構成されているこの発明の加熱装
置が、第２図に示されるように鋳片の移動通路に
そつて複数個列べて設置されている。鋳片支持ロ
ール２０は加熱装置間に設けられている。 As shown in FIG. 2, a plurality of the heating devices of the present invention constructed as described above are installed in a row along the movement path of the slab. A slab support roll 20 is provided between the heating devices.
連続鋳造された鋳片６は固定断熱板１０および
可動断熱板１５によつて断熱されるとともにバー
ナー１１および１６によつて加熱される結果、鋳
片６の温度低下が確実に防止できる。 The continuously cast slab 6 is insulated by the fixed heat insulating plate 10 and the movable heat insulating plate 15 and is heated by the burners 11 and 16, so that a drop in temperature of the slab 6 can be reliably prevented.
鋳片６の巾寸法が変つた場合には、移動装置１
９を作動させて鋳片短辺面加熱用バーナー装置１
４の可動断熱板１５を鋳片巾方向に移動させる。
鋳片巾寸法に応じて移動装置１７により、可動断
熱板１５を鋳片６に対して常に最適距離に移動さ
せるには、可動断熱板１５に、前記最適距離と同
一長さを有する、先端にタツチローラが取付けら
れたロツドを固定するか、あるいは非接触で行な
うために、可動断熱板１５に例えば渦流式距離検
出器を取付け、検出した信号に基づき可動断熱板
１５を移動させれば良い。 When the width dimension of the slab 6 changes, the moving device 1
9 to operate the burner device 1 for heating the short side of the slab.
The movable heat insulating plate 15 of No. 4 is moved in the slab width direction.
In order to always move the movable heat insulating plate 15 to the optimum distance with respect to the slab 6 by the moving device 17 according to the slab width dimension, the movable heat insulating plate 15 is provided with a tip having the same length as the optimum distance. Either the rod to which the touch roller is attached may be fixed, or in order to perform contactless operation, an eddy current distance detector, for example, may be attached to the movable heat insulating plate 15, and the movable heat insulating plate 15 may be moved based on the detected signal.
鋳片６の温度低下は鋳片コーナー部が特に激し
いので、コーナー部を重点的に加熱するために、
鋳片長辺面加熱用バーナー装置９，９の固定断熱
板１０の両端部にバーナーを中央部より数多く取
付けても良く、このようにすることによつて鋳片
温度が均一になるように鋳片６を加熱することが
できる。また、上記方法以外に両端部のバーナー
に供給する燃焼気体の量を中央部のバーナーに比
し増大させることにより行なつても良い。 The temperature drop in the slab 6 is particularly severe at the corner parts of the slab, so in order to heat the corner parts intensively,
A larger number of burners may be installed at both ends of the fixed heat insulating plate 10 of the burner device 9 for heating the long sides of the slab than in the center. 6 can be heated. Further, in addition to the method described above, this may be carried out by increasing the amount of combustion gas supplied to the burners at both ends compared to the burner at the center.
上記固定断熱板１０および可動断熱板１５の鋳
片側内面に熱反射板２１を第４図に示されるよう
に取付ければ断熱効果は更に向上する。 If a heat reflecting plate 21 is attached to the inner surface of the casting side of the fixed heat insulating board 10 and the movable heat insulating board 15 as shown in FIG. 4, the heat insulating effect will be further improved.
鋳片下部に固定されるバーナー装置９の各バー
ナー１１の先端火口部を、第５図に示されるよう
に、何れかの方向に傾ければ、鋳片下面から落下
するスケール等によるバーナー火口部の損傷を防
止できる。 If the tip tip of each burner 11 of the burner device 9 fixed to the lower part of the slab is tilted in either direction as shown in FIG. damage can be prevented.
以上説明したように、この発明によれば、連続
鋳造された鋳片の断熱および加熱が容易に行なえ
るので、ホツトダイレクトローリングが円滑に実
施できるといつたきわめて有用な効果がもたらさ
れる。 As explained above, according to the present invention, it is possible to easily insulate and heat continuously cast slabs, so that extremely useful effects such as hot direct rolling can be carried out smoothly are brought about.
第１図は、連続鋳造方法の説明図、第２図は、
この発明の実施例の斜視図、第３図は、同部分断
面図、第４図および第５図は、他の実施例の部分
断面図である。図面において、
１……取鍋、２……タンデイツシユ、３……溶
鋼、４……鋳型、５……鋳片案内ロール、６……
鋳片、７……切断装置、８……２次冷却帯、９…
…鋳片長辺面加熱用バーナー装置、１０……固定
断熱板、１１，１６……バーナー、１２，１７…
…燃料供給管、１３，１８……燃焼気体供給管、
１４……鋳片短辺面加熱用バーナー装置、１５…
…可動断熱板、１９……移動装置、２０……鋳片
支持ロール、２１……熱反射板。
Figure 1 is an explanatory diagram of the continuous casting method, Figure 2 is
FIG. 3 is a perspective view of an embodiment of the invention, FIG. 3 is a partial sectional view of the same, and FIGS. 4 and 5 are partial sectional views of other embodiments. In the drawings, 1... ladle, 2... tundish, 3... molten steel, 4... mold, 5... slab guide roll, 6...
Slab, 7... Cutting device, 8... Secondary cooling zone, 9...
...Burner device for heating the long side of the slab, 10...Fixed heat insulating plate, 11, 16...Burner, 12, 17...
... Fuel supply pipe, 13, 18 ... Combustion gas supply pipe,
14... Burner device for heating the short side of the slab, 15...
...Movable heat insulating plate, 19...Moving device, 20...Slab supporting roll, 21...Heat reflecting plate.
Claims (1)
路に設置される鋳片加熱装置であつて、一対の鋳
片長辺面加熱用バーナー装置と、一対の鋳片短辺
面加熱用バーナー装置とから構成され、前記一対
の鋳片長辺面加熱用バーナー装置の各々は、鋳片
長辺面と間隔をあけて鋳片巾方向に水平に固定さ
れた固定断熱板と、前記固定断熱板に直角に間隔
をあけて固定された複数本のバーナーとからな
り、前記一対の鋳片短辺面加熱用バーナー装置の
各々は、鋳片短辺面と間隔をあけて鋳片高さ方向
に垂直に設けられた可動断熱板と、前記可動断熱
板に直角に間隔をあけて固定された複数本のバー
ナーとからなり、前記一対の鋳片短辺面加熱用バ
ーナー装置の各々は、鋳片巾方向に移動可能にな
つていることを特徴とする、連続鋳造設備におけ
る鋳片加熱装置。1. A slab heating device installed in a movement passage for slabs cast by continuous casting equipment, which includes a pair of burner devices for heating the long side of the slab and a pair of burner devices for heating the short side of the slab. Each of the pair of burner devices for heating the long side surface of the slab includes a fixed heat insulating plate fixed horizontally in the width direction of the slab at a distance from the long side surface of the cast slab, and a fixed heat insulating plate fixed horizontally in the width direction of the slab at a distance from the long side surface of the cast slab, and a fixed heat insulating plate fixed at right angles to the fixed heat insulating plate at a distance from the long side surface of the slab. Each of the pair of burner devices for heating the short side of the slab is installed perpendicularly to the height direction of the slab at a distance from the short side of the slab. a movable heat insulating plate, and a plurality of burners fixed at right angles to the movable heat insulating plate at intervals, each of the pair of burner devices for heating the short side of the cast strip moving in the width direction of the cast strip. A slab heating device for continuous casting equipment, characterized in that it is possible to do so.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5090182A JPS58168417A (en) | 1982-03-31 | 1982-03-31 | Ingot heater in continuous casting installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5090182A JPS58168417A (en) | 1982-03-31 | 1982-03-31 | Ingot heater in continuous casting installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58168417A JPS58168417A (en) | 1983-10-04 |
| JPH0135894B2 true JPH0135894B2 (en) | 1989-07-27 |
Family
ID=12871646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5090182A Granted JPS58168417A (en) | 1982-03-31 | 1982-03-31 | Ingot heater in continuous casting installation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58168417A (en) |
-
1982
- 1982-03-31 JP JP5090182A patent/JPS58168417A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58168417A (en) | 1983-10-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1250904A (en) | Inductive edge heating of hot-worked strip material and the like | |
| KR960012877B1 (en) | Induction furnace for heating and temperature homogenization in hot rolling of thin steel strips | |
| JP2003062647A (en) | Direct rolling method for continuous cast steel piece | |
| KR20190133965A (en) | Induction Heating Apparatus | |
| JPH0135894B2 (en) | ||
| US3989093A (en) | Continuous casting plant for slabs | |
| JPS58168416A (en) | Ingot heater in continuous casting installation | |
| JPS6019795Y2 (en) | Heat retention device in continuous casting equipment | |
| JPS58168415A (en) | Ingot heater in continuous casting installation | |
| JPS601877Y2 (en) | Continuous casting equipment transfer table heat retention device | |
| JPH0218936B2 (en) | ||
| KR20040028940A (en) | Method for continuously casting a steel beam blank | |
| JPS58157561A (en) | Heat holding device of ingot in continuous casting installation | |
| JPS58163559A (en) | Continuous casting method of steel | |
| JPS605966Y2 (en) | Heat retention device in continuous casting equipment | |
| JPH028592Y2 (en) | ||
| JP2551611Y2 (en) | Rolled material edge heating device | |
| JPH028591Y2 (en) | ||
| JPH0399705A (en) | Apparatus for manufacture of strip steel | |
| JPS605965Y2 (en) | Insulation device for continuous casting equipment | |
| JPH0421819Y2 (en) | ||
| JPS63207461A (en) | Apparatus for controlling temperature of cast slab | |
| US4106547A (en) | Method and arrangement for removing a cooled strand from a continuous casting installation | |
| JPS5973163A (en) | Continuous casting device | |
| JPS6213248A (en) | Continuous casting machine |