JPH0483451U - - Google Patents
Info
- Publication number
- JPH0483451U JPH0483451U JP13026990U JP13026990U JPH0483451U JP H0483451 U JPH0483451 U JP H0483451U JP 13026990 U JP13026990 U JP 13026990U JP 13026990 U JP13026990 U JP 13026990U JP H0483451 U JPH0483451 U JP H0483451U
- Authority
- JP
- Japan
- Prior art keywords
- air blowing
- tundish
- preheating device
- blowing pipe
- immersion
- 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
- 238000007654 immersion Methods 0.000 claims description 8
- 239000011449 brick Substances 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Description
第１図は本考案の一実施例に係る大型タンデイ
ツシユの羽口レンガ及び浸漬ノズルの予熱装置の
平断面図、第２図は該大型タンデイツシユの羽口
レンガ及び浸漬ノズルの予熱装置を使用した場合
と前記従来例の予熱装置を使用した場合のトラブ
ルの実績を比較するグラフ、第３図は上記実施例
に係る予熱装置と従来例に係る予熱装置を使用し
た場合の各測定点の温度変化を示すグラフ、第４
図は上記実施例に係る予熱装置と従来例に係る予
熱装置を使用した場合の吸引エア圧力損失を示す
グラフ、第５図は従来例に係る溶融金属注入ノズ
ルの加熱装置の概略側面図、第６図は同断面図で
ある。
符号の説明、３０……大型タンデイツシユの羽
口レンガ及び浸漬ノズルの予熱装置、３１，３２
……小室、３３……予熱用筒、３４……空気吹き
出し管、３５……排気管、３６，３７……エジエ
クター、３８……空気接続口、３９……ガス導入
部、４０……浸漬ノズル。
Fig. 1 is a plan sectional view of a preheating device for tuyere bricks and immersion nozzles of a large tundish according to an embodiment of the present invention, and Fig. 2 shows a case where the preheating device for tuyere bricks and immersion nozzles of a large tundish is used. Figure 3 shows the temperature changes at each measurement point when the preheating device according to the above embodiment and the conventional preheating device are used. Graph shown, 4th
5 is a graph showing the suction air pressure loss when using the preheating device according to the above embodiment and the preheating device according to the conventional example. FIG. 5 is a schematic side view of the heating device for a molten metal injection nozzle according to the conventional example FIG. 6 is a sectional view of the same. Explanation of symbols, 30... Preheating device for tuyere bricks and immersion nozzles of large tundish, 31, 32
... Small chamber, 33 ... Preheating cylinder, 34 ... Air blowing pipe, 35 ... Exhaust pipe, 36, 37 ... Ejector, 38 ... Air connection port, 39 ... Gas introduction part, 40 ... Immersion nozzle .
Claims (1)
部の小室に設けられた空気吹き出し管と該空気吹
き出し管に対向して設けられた排気管とを有する
エジエクターによつて上部のタンデツシユから高
温ガスを吸引し、羽口レンガ及び浸漬ノズルを予
熱する大型タンデイツシユの羽口レンガ及び浸漬
ノズルの予熱装置において、上記空気吹き出し管
の内径を充分大きくすると共に先部を先端方向に
細くなるテーパー状とし、上記排気管の入口部に
テーパー状のガス導入部を設け、しかも、該ガス
導入部は上記側部の小室の排気側に形成されてい
ることを特徴とする大型タンデイツシユの羽口レ
ンガ及び浸漬ノズルの予熱装置。 The immersion nozzle is inserted into the preheating cylinder, and the air is removed from the upper tundish by an ejector having an air blowing pipe provided in a small chamber on the side of the preheating cylinder and an exhaust pipe provided opposite to the air blowing pipe. In a preheating device for tuyere bricks and immersion nozzles of a large tundish that sucks high-temperature gas and preheats tuyere bricks and immersion nozzles, the inner diameter of the air blowing pipe is made sufficiently large and the tip is tapered in the direction of the tip. A tuyere brick for a large tundish, characterized in that a tapered gas inlet is provided at the entrance of the exhaust pipe, and the gas inlet is formed on the exhaust side of the side chamber. Immersion nozzle preheating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13026990U JPH0649414Y2 (en) | 1990-11-30 | 1990-11-30 | Preheater for tuyere bricks and immersion nozzles of large tundish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13026990U JPH0649414Y2 (en) | 1990-11-30 | 1990-11-30 | Preheater for tuyere bricks and immersion nozzles of large tundish |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0483451U true JPH0483451U (en) | 1992-07-21 |
| JPH0649414Y2 JPH0649414Y2 (en) | 1994-12-14 |
Family
ID=31877625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13026990U Expired - Fee Related JPH0649414Y2 (en) | 1990-11-30 | 1990-11-30 | Preheater for tuyere bricks and immersion nozzles of large tundish |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0649414Y2 (en) |
-
1990
- 1990-11-30 JP JP13026990U patent/JPH0649414Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0649414Y2 (en) | 1994-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |