JPS63143563U - - Google Patents
Info
- Publication number
- JPS63143563U JPS63143563U JP3381387U JP3381387U JPS63143563U JP S63143563 U JPS63143563 U JP S63143563U JP 3381387 U JP3381387 U JP 3381387U JP 3381387 U JP3381387 U JP 3381387U JP S63143563 U JPS63143563 U JP S63143563U
- Authority
- JP
- Japan
- Prior art keywords
- zone
- annealing furnace
- continuous annealing
- steel sheet
- electrical steel
- 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
- 238000000137 annealing Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005261 decarburization Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910000976 Electrical steel Inorganic materials 0.000 claims 2
- 238000005507 spraying Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Manufacturing Of Steel Electrode Plates (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Description
第１図は、本考案に係る実施例を示す側断面図
であり、ａはハースロール型連続焼鈍炉への適用
例、ｂはフロータ型連続焼鈍炉への適用例を示し
、第２図は、本考案の雰囲気ガス吹き出しノズル
を拡大して示す縦断面図、第３図は、連続焼鈍炉
の熱処理条件の従来例を示す特性図、第４図は、
連続焼鈍炉内におけるサブスケールの生成過程を
説明する図、第５図は連続焼鈍炉の従来例を示す
側断面図である。
１……炉殻、２……ハースロール、３……シー
ルロール、４……仕切り壁、５……加熱ゾーン、
６……脱炭ゾーン、７……冷却ゾーン、８……雰
囲気ガス供給孔、９……鋼板、１０……連続焼鈍
炉、１１……ラジアントチユーブ、１２……電気
ヒータ、１３……ジエツト式冷却装置、１４……
フロータ、１５……濃度境界層、１６……雰囲気
ガス吹き出しノズル、１７……ガス供給管。
FIG. 1 is a side sectional view showing an embodiment of the present invention, in which a shows an example of application to a hearth roll type continuous annealing furnace, b shows an example of application to a floater type continuous annealing furnace, and FIG. , FIG. 3 is a characteristic diagram showing a conventional example of heat treatment conditions of a continuous annealing furnace, and FIG.
FIG. 5 is a side sectional view showing a conventional example of a continuous annealing furnace. 1... Furnace shell, 2... Hearth roll, 3... Seal roll, 4... Partition wall, 5... Heating zone,
6... Decarburization zone, 7... Cooling zone, 8... Atmospheric gas supply hole, 9... Steel plate, 10... Continuous annealing furnace, 11... Radiant tube, 12... Electric heater, 13... Jet type Cooling device, 14...
Floater, 15... Concentration boundary layer, 16... Atmospheric gas blowing nozzle, 17... Gas supply pipe.
Claims (1)
ン、冷却ゾーンからなる連続焼鈍炉において、前
記脱炭ゾーンに少なくとも前記電磁鋼板の表面に
雰囲気ガスを吹き付けるノズルを配設することを
特徴とする電磁鋼板用連続焼鈍炉。 A continuous annealing furnace comprising a heating zone for annealing an electrical steel sheet, a decarburization zone, and a cooling zone, characterized in that the decarburization zone is provided with a nozzle for spraying atmospheric gas onto at least the surface of the electrical steel sheet. Continuous annealing furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3381387U JPS63143563U (en) | 1987-03-10 | 1987-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3381387U JPS63143563U (en) | 1987-03-10 | 1987-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63143563U true JPS63143563U (en) | 1988-09-21 |
Family
ID=30841769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3381387U Pending JPS63143563U (en) | 1987-03-10 | 1987-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63143563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04263010A (en) * | 1991-02-19 | 1992-09-18 | Nippon Steel Corp | Continuously decarbonizing and annealing method for strip |
-
1987
- 1987-03-10 JP JP3381387U patent/JPS63143563U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04263010A (en) * | 1991-02-19 | 1992-09-18 | Nippon Steel Corp | Continuously decarbonizing and annealing method for strip |