JPH0251250U - - Google Patents
Info
- Publication number
- JPH0251250U JPH0251250U JP12797988U JP12797988U JPH0251250U JP H0251250 U JPH0251250 U JP H0251250U JP 12797988 U JP12797988 U JP 12797988U JP 12797988 U JP12797988 U JP 12797988U JP H0251250 U JPH0251250 U JP H0251250U
- Authority
- JP
- Japan
- Prior art keywords
- heating furnace
- slab
- furnace
- shielding means
- heat shielding
- 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
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Landscapes
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Tunnel Furnaces (AREA)
Description
第１図は、本考案の連続式加熱炉の炉幅方向の
概略断面図、第２図は、遮熱手段を備えた連続式
加熱炉の炉長方向の概略断面図、第３図は、本考
案の連続式加熱炉に設ける遮熱手段の縦断面図、
第４図は、仕上圧延機前における従来の粗圧延材
の温度分布の図、第５図は、従来の加熱炉におけ
るスラブ端部の過熱防止手段の１例を示す図、第
６図は、本考案の実施例で使用した遮熱体の局部
的斜視図、第７図は、本考案の加熱炉で加熱した
スラブの粗圧延材の温度分布の図、第８図は、従
来の加熱炉で加熱したスラブ圧延材の温度分布の
図、である。
１は加熱炉本体、２は固定ビーム、３は移動ビ
ーム、４は遮熱手段、５は遮熱体、６は駆動装置
、７はシヤフト、７ａは内管、７ｂは外管、７ｃ
は耐火物コーテイング、８は予熱帯、９は加熱帯
、１０は均熱帯、１１はナツト、Ｓはスラブ、Ｓ
ａはスラブ端部。
FIG. 1 is a schematic sectional view in the furnace width direction of a continuous heating furnace of the present invention, FIG. 2 is a schematic sectional view in the furnace length direction of a continuous heating furnace equipped with a heat shielding means, and FIG. A vertical cross-sectional view of a heat shielding means provided in the continuous heating furnace of the present invention,
FIG. 4 is a diagram showing the temperature distribution of a conventional rough-rolled material in front of a finishing rolling mill, FIG. 5 is a diagram showing an example of overheating prevention means at the end of a slab in a conventional heating furnace, and FIG. A local perspective view of the heat shield used in the embodiment of the present invention, Fig. 7 is a diagram of the temperature distribution of the rough rolled material of the slab heated in the heating furnace of the present invention, and Fig. 8 is a diagram of the temperature distribution in the conventional heating furnace. FIG. 3 is a diagram of the temperature distribution of a rolled slab material heated by. 1 is a heating furnace main body, 2 is a fixed beam, 3 is a moving beam, 4 is a heat shielding means, 5 is a heat shield, 6 is a drive device, 7 is a shaft, 7a is an inner tube, 7b is an outer tube, 7c
is a refractory coating, 8 is a preheating zone, 9 is a heating zone, 10 is a soaking zone, 11 is a nut, S is a slab, S
a is the slab end.
Claims (1)
スラブの端部を覆うことのできる遮熱手段を備え
たことを特徴とする連続式加熱炉。 A continuous heating furnace characterized by comprising a heat shielding means that can move forward and backward in the furnace width direction of the heating furnace and can cover an end of a heated slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12797988U JPH0251250U (en) | 1988-09-29 | 1988-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12797988U JPH0251250U (en) | 1988-09-29 | 1988-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0251250U true JPH0251250U (en) | 1990-04-10 |
Family
ID=31380892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12797988U Pending JPH0251250U (en) | 1988-09-29 | 1988-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0251250U (en) |
-
1988
- 1988-09-29 JP JP12797988U patent/JPH0251250U/ja active Pending
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