JPS58157561A - Heat holding device of ingot in continuous casting installation - Google Patents
Heat holding device of ingot in continuous casting installationInfo
- Publication number
- JPS58157561A JPS58157561A JP3932182A JP3932182A JPS58157561A JP S58157561 A JPS58157561 A JP S58157561A JP 3932182 A JP3932182 A JP 3932182A JP 3932182 A JP3932182 A JP 3932182A JP S58157561 A JPS58157561 A JP S58157561A
- Authority
- JP
- Japan
- Prior art keywords
- slab
- heat holding
- members
- ingot
- heat retaining
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/1213—Accessories for subsequent treating or working cast stock in situ for heating or insulating strands
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、連続鋳造設備、！％に湾曲形連続鋳造設備
における鋳片保熱装置に関するものである。[Detailed Description of the Invention] This invention provides continuous casting equipment,! % relates to a slab heat retention device in 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ｌからタンディツシュ２に注入された溶鋼３は、タ
ンディツシュ２から鋳型４に注入される。The molten steel 3 injected from the ladle l into the tundish 2 is injected from the tundish 2 into the mold 4.
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によって下方に湾曲されつつ連続的に
引き抜かれる。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によって所定長さ
に切断され１次工程に搬送される。The molten steel 3 injected into the mold 4 is continuously drawn out from the lower part of the mold 4 while being curved downward by a large number of slab guide rolls 5 . After this, 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 conveyed to the primary process.
ところで、従来切断機６によっ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灯なわれ
、この後加熱炉によって再加熱され、次工程の圧延ライ
ンに搬送されるのが一般的であった。By the way, the slab cut into a predetermined length by the conventional cutting machine 6 is once cooled to room temperature, then subjected to a process such as removing defects, and then reheated in a heating furnace and transported to the rolling line for the next process. It was common 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
ーロスにもなっていた。However, the above method requires cooling equipment to cool the high temperature slab of 900°C or higher to room temperature immediately after cutting, and a heating furnace to reheat the slab after removing defects, etc. 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庇取
シが不要となったこと等の理由により。In recent years, various improvements in casting methods have made it unnecessary to take out the eaves of the slab.
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。For the purpose of reducing the above equipment costs and saving energy, etc.
To directly convey a hot slab immediately after cutting to a rolling line without cooling it to room temperature. So-called.
ホットダイレクトローリング（ＨＤＲ）が一部試みられ
ている。Some attempts have been made to use hot direct rolling (HDR).
上記ホッ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は良いのであるが、鋳片巾方
向両端部は特に温度低下が激しい。In the end, to carry out the above hot direct rolling,
Although it is good to prevent the temperature of the slab from decreasing, the temperature drop is especially severe at both ends in the width direction of the slab.
従来、鋳片巾方向両端部の温度低下を防止するために、
第２図および第３図に示されるように、鋳片６の移動速
度が遅く、鋳片６の温度低下が特に撤しい鋳片切断装置
７（切断火口を８で示す）付近の鋳片移動通路の両側に
保熱装置９を固定して設け、これによって鋳片巾方向両
端部を保温して温度低下の防止を図っていた。Conventionally, in order to prevent temperature drop at both ends in the slab width direction,
As shown in FIGS. 2 and 3, the moving speed of the slab 6 is slow, and the slab is moved near the slab cutting device 7 (the cutting nozzle is indicated by 8), where the temperature of the slab 6 is particularly unlikely to drop. A heat retaining device 9 was fixedly provided on both sides of the passage, thereby keeping both ends in the width direction of the slab warm to prevent a drop in temperature.
ところが、上記従来の保熱装置９は最大巾寸法の鋳片６
′に合わせて固定されているため、最小巾寸法の鋳片の
場合には、鋳片両端部と保熱装置との距離が離れ、この
ため保温効果は保熱装置が鋳片両端部に接近している場
合に比べて大巾に低下し、しかも鋳片切断時のノロ飛散
によって保熱装置が損傷しやすいといった問題があった
。However, the conventional heat retaining device 9 has a maximum width dimension of the slab 6.
Since the slab is fixed according to In addition, there was a problem that the heat retention device was easily damaged by slag scattering when cutting the slab.
この発明は、上記従来の保熱装置の有する問題点を解決
するためになされたものであって、連続鋳造された鋳片
の移動通路の両側にそれぞれ間隔をあけて設けられる複
数個のコ字形をなす保熱部材と、前記保熱部材の各々に
取付けられる前記保熱部材を鋳片巾方向に水平移動させ
るための移動装置とからな９、前記保熱部材は、垂直な
側部保熱板の上端に上部保熱板が水平に固定され、下端
に下部保熱板が開閉自在に取付けられているもので構成
され、前記保熱部材の内面には加熱部材が埋設されてい
ることに特徴を有する。The present invention was made to solve the problems of the conventional heat retaining device described above, and includes a plurality of U-shaped units provided at intervals on both sides of a movement passage for continuously cast slabs. and a moving device attached to each of the heat retaining members for horizontally moving the heat retaining members in the width direction of the slab. The upper heat insulating plate is horizontally fixed to the upper end of the plate, and the lower heat insulating plate is attached to the lower end so that it can be opened and closed, and a heating member is embedded in the inner surface of the heat insulating member. Has characteristics.
この発明を実施例によシ図面を参照しながら説明する。The present invention will be explained by way of embodiments with reference to the drawings.
第４図は、この発明の実施例の設置態様を示す正面図、
第５図は、同実施例の動作態様を示す平面図である。FIG. 4 is a front view showing the installation mode of the embodiment of this invention;
FIG. 5 is a plan view showing the operation mode of the same embodiment.
第４図および第５図において、Ａは、この発明の保熱装
置であシ、この保熱装置Ａは、コ字形をなす保熱部材１
０と、この保熱部材１０を鋳片６の巾方向に水平移動さ
せるためのシリンダ等からなる移動装置１１とから構成
されている。4 and 5, A is a heat retaining device of the present invention, and this heat retaining device A is a U-shaped heat retaining member 1.
0, and a moving device 11 consisting of a cylinder or the like for horizontally moving the heat retaining member 10 in the width direction of the slab 6.
保熱部材１０は、垂直な側部保熱板１０ａの上端に上部
保熱板１０ｂが鋳片６側に向けて水平に固定され、前記
側部保熱板１０ａの下端に下部保熱板１０ｃが第６図お
よび第７図に示されるようにシリンダ１２によって回動
自在に取付けられているものでなる。下部保熱板１０ｃ
を側部保熱板１０ａに対して開閉自在に取付けたのぐよ
、鋳片６から落下したスケール１３が下部保熱板１０ｃ
上に堆積した場合。In the heat retaining member 10, an upper heat retaining plate 10b is horizontally fixed to the upper end of the vertical side heat retaining plate 10a toward the slab 6 side, and a lower heat retaining plate 10c is fixed to the lower end of the side heat retaining plate 10a. is rotatably mounted by a cylinder 12 as shown in FIGS. 6 and 7. Lower heat insulation plate 10c
The scale 13 that fell from the slab 6 is attached to the side heat insulating plate 10a so as to be openable and closable.
If deposited on top.
下部保熱板１０ｃ ”ｆ下方に開いてスケール１３紫除
去するためである。This is to remove the scale 13 by opening the lower heat retaining plate 10c'f downward.
保熱部材１０の内面には加熱部材１４が埋設さ５− れていて鋳片端部を加熱できるようになっている。A heating member 14 is embedded in the inner surface of the heat retaining member 10 5- The end of the slab can be heated.
加熱部材１４は１例えばポーラス煉瓦からなシ、燃焼ガ
スを外部からポーラス煉瓦に供給してポーラス煉瓦表面
から炎を出すようなものとする。The heating member 14 is made of, for example, a porous brick, and is configured to supply combustion gas from the outside to the porous brick to emit flame from the surface of the porous brick.
上記加熱部材１４は、保熱部材１０の内面に連続して埋
設する以外に、第８図に示されるように、鋳片６のコー
ナ一部および鋳片６の厚さ方向中央部を積極的に加熱す
るために分割して埋設しても良い。In addition to being continuously embedded in the inner surface of the heat retaining member 10, the heating member 14 is also used to actively bury a part of the corner of the slab 6 and a central part of the slab 6 in the thickness direction, as shown in FIG. It may be divided and buried in order to heat it.
上記のように構成されている保熱装置Ａが、第５図に示
されるように、連続鋳造された鋳片６の移動通路の両側
に間隔をあけてそれぞれ複数個設置されている。As shown in FIG. 5, a plurality of heat retaining devices A having the above-mentioned structure are installed at intervals on both sides of the movement passage for continuously cast slabs 6.
中挟鋳片６の場合には、移動装置１１によって谷保熱部
材１０を内方に移動させ、一方、巾広鋳片６′の場合に
は、移動装置１１によって各保熱部材ｌＯを外方に移動
させる。このように鋳片中に応じて各保熱部材１０を鋳
片巾方向□に移動させることによって、常に鋳片端部と
保熱部材ｌＯとを接近させて最大の保熱効果が得られる
ようにする。In the case of the intermediate slab 6, the valley heat retaining members 10 are moved inward by the moving device 11, while in the case of the wide slab 6', the moving device 11 moves each heat retaining member lO outward. move it to In this way, by moving each heat retaining member 10 in the slab width direction □ according to the inside of the slab, the end of the slab and the heat retaining member lO are always brought close to each other, so that the maximum heat retention effect can be obtained. do.
鋳片切断装置７が鋳片６の移動に伴なって伺れ６−
かの保熱部材上を通過する場合には、切断装置７が通過
する保熱部材のみを第５図に示されるように外方に移動
させて切断装置７から遠ざけ、切断時のノロ飛散による
保熱部材の損傷を防止する。When the slab cutting device 7 passes over the heat retaining member as the slab 6 moves, the cutting device 7 cuts only the heat retaining member that it passes over as shown in FIG. The heat retaining member is moved outward and away from the cutting device 7 to prevent damage to the heat retaining member due to slag scattering during cutting.
保熱部材ｌ○による鋳片端部の保温中（第６図中１）は
、５０ ｍｍ以上とし、鋳片端部面と保熱部材１０との
距離（第６図中ｄ）は、１００ｍ以下とする。While the heat insulating member l○ is keeping the end of the slab warm (1 in Figure 6), the distance between the end of the slab and the heat retaining member 10 (d in Figure 6) shall be 100 m or less. do.
上記実施例は中寸法の等しい鋳片を保温する場合である
が、巾寸法が徐々に異なる所謂テーパー鋳片の場合には
、第９図に示されるように、移動装置１１と保熱部材１
０とを軸結合するとともに、保熱部材１０にガイドロー
ル（図示せず）を設け、これによって鋳片６の傾斜端面
に合わせて保熱部材１０が回動するようにする。The above embodiment deals with the case of insulating slabs with equal medium dimensions, but in the case of so-called tapered slabs with gradually different width dimensions, as shown in FIG.
0 are axially connected to each other, and a guide roll (not shown) is provided on the heat retaining member 10 so that the heat retaining member 10 rotates in accordance with the inclined end surface of the slab 6.
以上説明したように、この発明によれば、鋳片巾寸法が
異なっても鋳片端部を最大の保熱効果をもって保熱する
ことができるとともに、鋳片端部を積極的に加熱するこ
とができ、さらに、鋳片切断時のノロ飛散に↓る保熱部
材の損傷も防止する７−
ことができ、また、保熱部材に堆積したスケール等も容
易に除去できる等種々の有用な効果がもたらされる。As explained above, according to the present invention, even if the width of the slab differs, it is possible to retain heat at the end of the slab with the maximum heat retention effect, and it is also possible to actively heat the end of the slab. Furthermore, it can prevent damage to the heat insulating member caused by slag scattering when cutting slabs, and it also brings about various useful effects such as easily removing scale etc. accumulated on the heat insulating member. It will be done.
第１図は、連続鋳造設備の概略構成図、第２図は、従来
の保熱装置の設置態様を示す正面図、第３図は、同平面
図、第４図は、この発明の実施例の設置態様を示す正面
図、第５図は、同平面図、第６図および第７図は、同実
施例の拡大断面図、第８図は、他の実施例の拡大断面図
、第９図は、他の実施例の設置態様を示す平面図である
。図面において。
ｌ・・・取鍋 ２・・・タンディツシュ３
・・・溶鋼 ４・・・鋳型５・・・鋳片案
内ロール ６，６′・・・鋳片７・・・切断装置
８・・・切断火口９・・・保熱装置 １０
・・・保熱部材１１・・・移動装置 １２・・
・シリンダ１３・・・加熱部材 Ａ・・・こ
の発明の保熱装置８−
ｐＬ固
３ 第１図
３４７
６
第３図
舛４図
第５図
Ｉｎ
第７図
第８図
４
営９図Fig. 1 is a schematic configuration diagram of continuous casting equipment, Fig. 2 is a front view showing the installation mode of a conventional heat retaining device, Fig. 3 is a plan view of the same, and Fig. 4 is an embodiment of the present invention. 5 is a plan view, FIGS. 6 and 7 are enlarged sectional views of the same embodiment, FIG. 8 is an enlarged sectional view of another embodiment, and FIG. The figure is a plan view showing an installation mode of another embodiment. In the drawing. l...Ladle 2...Tandish 3
... Molten steel 4... Mold 5... Slab guide roll 6, 6'... Slab 7... Cutting device
8... Cutting crater 9... Heat retention device 10
...Heat retaining member 11...Movement device 12...
・Cylinder 13...Heating member A...Thermal retaining device of this invention 8-pL hard 3 Fig. 1 347 6 Fig. 3 Fig. 4 Fig. 5 In Fig. 7 Fig. 8 Fig. 4 Fig. 9
Claims (1)
をあけて設けられる複数個のコ字形をなす保熱部材と、
前記保熱部材の各々に取付けられる前記保熱部材を鋳片
巾方向に水平移動させるための移動装置とからなり、前
記保熱部材は、垂直な側部保熱板と、前記側部保熱板の
上端に水平に固定された上部保熱板と、前記側部保熱板
の下端に開閉自在に取付けられた下部保熱板とから構成
さ几、前記保熱部材の内面には加熱部材が埋設されてい
ることを特徴とする、連続鋳造設備における鋳片保熱装
置。a plurality of U-shaped heat retaining members provided at intervals on both sides of a movement passage for continuously cast slabs;
a moving device for horizontally moving the heat retaining member attached to each of the heat retaining members in the slab width direction; the heat retaining member includes a vertical side heat retaining plate; It is composed of an upper heat insulating plate fixed horizontally to the upper end of the plate, and a lower heat insulating plate attached to the lower end of the side heat insulating plate so as to be openable and closable, and a heating member is provided on the inner surface of the heat insulating member. A slab heat retention device for continuous casting equipment, characterized in that a slab is embedded therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3932182A JPS58157561A (en) | 1982-03-15 | 1982-03-15 | Heat holding device of ingot in continuous casting installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3932182A JPS58157561A (en) | 1982-03-15 | 1982-03-15 | Heat holding device of ingot in continuous casting installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58157561A true JPS58157561A (en) | 1983-09-19 |
Family
ID=12549838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3932182A Pending JPS58157561A (en) | 1982-03-15 | 1982-03-15 | Heat holding device of ingot in continuous casting installation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58157561A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61209714A (en) * | 1985-03-13 | 1986-09-18 | Nippon Kokan Kk <Nkk> | Heat insulating device for steel stock in hot rolling line |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS497124A (en) * | 1972-05-13 | 1974-01-22 |
-
1982
- 1982-03-15 JP JP3932182A patent/JPS58157561A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS497124A (en) * | 1972-05-13 | 1974-01-22 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61209714A (en) * | 1985-03-13 | 1986-09-18 | Nippon Kokan Kk <Nkk> | Heat insulating device for steel stock in hot rolling line |
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