JPH0473957U - - Google Patents
Info
- Publication number
- JPH0473957U JPH0473957U JP11616490U JP11616490U JPH0473957U JP H0473957 U JPH0473957 U JP H0473957U JP 11616490 U JP11616490 U JP 11616490U JP 11616490 U JP11616490 U JP 11616490U JP H0473957 U JPH0473957 U JP H0473957U
- Authority
- JP
- Japan
- Prior art keywords
- zone
- furnace
- grain
- nitriding
- steel sheets
- 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.)
- Granted
Links
- 238000000137 annealing Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005121 nitriding Methods 0.000 claims description 4
- 229910001224 Grain-oriented electrical steel Inorganic materials 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- 238000005261 decarburization Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
Description
第１図は本考案の一実施例における方向性電磁
鋼板の脱炭焼鈍炉を示す図。
１……脱炭焼鈍炉、２……加熱帯、３……均熱
帯、４……湿潤雰囲気ガス供給装置、５……雰囲
気仕切り、６……還元帯、７……冷却帯、８……
窒化帯、９……窒化能ガス供給装置、１０……冷
却帯、１１……炉天井、１２……排気孔。
FIG. 1 is a diagram showing a decarburization annealing furnace for grain-oriented electrical steel sheets in one embodiment of the present invention. 1...Decarburization annealing furnace, 2...Heating zone, 3...Soaking zone, 4...Moist atmosphere gas supply device, 5...Atmosphere partition, 6...Reduction zone, 7...Cooling zone, 8...
Nitriding zone, 9...Nitriding gas supply device, 10...Cooling zone, 11...Furnace ceiling, 12...Exhaust hole.
Claims (1)
、仕切りを介して還元帯または冷却帯が設けられ
、さらに仕切りを介して窒化帯が設けられた方向
性電磁鋼板の脱炭焼鈍炉において、還元帯、冷却
帯または窒化帯の少なくとも一つに、雰囲気排気
孔を炉天井または炉壁に設けたことを特徴とする
方向性電磁鋼板の脱炭焼鈍炉。 In a decarburizing annealing furnace for grain-oriented electrical steel sheets, a reduction zone or a cooling zone is provided through a partition behind a heating zone and a soaking zone where moist gas is supplied, and a nitriding zone is further provided through a partition. A decarburizing annealing furnace for grain-oriented electrical steel sheets, characterized in that an atmosphere exhaust hole is provided in the furnace ceiling or furnace wall in at least one of the reduction zone, cooling zone, or nitriding zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990116164U JP2526958Y2 (en) | 1990-11-07 | 1990-11-07 | Decarburization annealing furnace for grain-oriented electrical steel sheets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990116164U JP2526958Y2 (en) | 1990-11-07 | 1990-11-07 | Decarburization annealing furnace for grain-oriented electrical steel sheets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0473957U true JPH0473957U (en) | 1992-06-29 |
| JP2526958Y2 JP2526958Y2 (en) | 1997-02-26 |
Family
ID=31863982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990116164U Expired - Fee Related JP2526958Y2 (en) | 1990-11-07 | 1990-11-07 | Decarburization annealing furnace for grain-oriented electrical steel sheets |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2526958Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6248728A (en) * | 1985-08-27 | 1987-03-03 | Kureha Chem Ind Co Ltd | Production of polyarylene thioether having high melt crystallization temperature |
-
1990
- 1990-11-07 JP JP1990116164U patent/JP2526958Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6248728A (en) * | 1985-08-27 | 1987-03-03 | Kureha Chem Ind Co Ltd | Production of polyarylene thioether having high melt crystallization temperature |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2526958Y2 (en) | 1997-02-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |