JPH0399757U - - Google Patents
Info
- Publication number
- JPH0399757U JPH0399757U JP749590U JP749590U JPH0399757U JP H0399757 U JPH0399757 U JP H0399757U JP 749590 U JP749590 U JP 749590U JP 749590 U JP749590 U JP 749590U JP H0399757 U JPH0399757 U JP H0399757U
- Authority
- JP
- Japan
- Prior art keywords
- thin steel
- steel plate
- conveyor roll
- hot gas
- continuous annealing
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000000137 annealing Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- AZBAQHIVVLQMFX-UHFFFAOYSA-N 4-(2,4-dimethylphenyl)-5-methyl-1,3-thiazol-2-amine Chemical group S1C(N)=NC(C=2C(=CC(C)=CC=2)C)=C1C AZBAQHIVVLQMFX-UHFFFAOYSA-N 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Description
第１図は、本考案の一実施例に係る連続焼鈍炉
における冷却帯内の搬送ロール付近の構造を示す
断面図で、ａは側面図、ｂはａのｂ−ｂ矢視図、
第２図は上記実施例の冷却帯に供給される熱ガス
供給装置の構成を示す模式図、第３図は従来の鋼
薄板の連続焼鈍炉の構成を示す模式図、第４図は
一般例における鋼薄板の焼鈍サイクルを示す説明
図、第５図は、従来の冷却帯内の搬送ロールの巾
方向温度分布および半径分布の例を示した図であ
る。
１……鋼薄板、２……搬送ロール、３……炉内
、５……断熱構造体、６……熱ガス、７……プレ
ナムチヤンバ、８……冷却ガス、９……熱ガス供
給配管、１０……炉殻、１１……燃焼用バーナ、
１２……燃料ガス、１３……空気、１４……燃焼
排ガス、１５……ＨＮガス、１６……熱交換器、
１７……ＨＮガスフアン、１８……ラジアントチ
ユーブ、１０１……鋼薄板。
FIG. 1 is a cross-sectional view showing the structure near the conveyor roll in the cooling zone in a continuous annealing furnace according to an embodiment of the present invention, in which a is a side view, b is a bb-b arrow view of a,
Figure 2 is a schematic diagram showing the configuration of the hot gas supply device supplied to the cooling zone of the above embodiment, Figure 3 is a schematic diagram showing the configuration of a conventional continuous annealing furnace for thin steel sheets, and Figure 4 is a general example. FIG. 5 is an explanatory diagram showing an annealing cycle of a steel thin plate in the conventional cooling zone, and FIG. 5 is a diagram showing an example of the width direction temperature distribution and radial distribution of a conveying roll in a conventional cooling zone. DESCRIPTION OF SYMBOLS 1... Steel thin plate, 2... Transport roll, 3... Furnace interior, 5... Insulating structure, 6... Hot gas, 7... Plenum chamber, 8... Cooling gas, 9... Hot gas supply piping, 10...furnace shell, 11...combustion burner,
12... Fuel gas, 13... Air, 14... Combustion exhaust gas, 15... HN gas, 16... Heat exchanger,
17...HN gas fan, 18...Radiant tube, 101...Steel thin plate.
Claims (1)
に所定のヒートサイクルで加熱・冷却して焼鈍す
る連続焼鈍炉において、加熱帯で加熱された鋼薄
板を冷却する冷却帯に設けられた搬送ロールと、
同搬送ロールを鋼薄板の通過するスペースを残し
かつ所定の間隙を保つて被う断熱構造体と、同断
熱構造体内に、熱ガスを供給するための熱ガス供
給配管とを具備してなることを特徴とする鋼薄板
の連続焼鈍炉。 In a continuous annealing furnace where a thin steel plate is wound around a conveyor roll and conveyed and then continuously heated and cooled in a predetermined heat cycle for annealing, the conveyor roll installed in the cooling zone cools the thin steel plate heated in the heating zone. and,
A heat insulating structure that covers the conveyor roll with a predetermined gap while leaving a space for the thin steel plate to pass through, and a hot gas supply pipe for supplying hot gas within the heat insulating structure. A continuous annealing furnace for thin steel sheets characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP749590U JPH0399757U (en) | 1990-01-31 | 1990-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP749590U JPH0399757U (en) | 1990-01-31 | 1990-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0399757U true JPH0399757U (en) | 1991-10-18 |
Family
ID=31511155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP749590U Pending JPH0399757U (en) | 1990-01-31 | 1990-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0399757U (en) |
-
1990
- 1990-01-31 JP JP749590U patent/JPH0399757U/ja active Pending
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