JPH02118746U - - Google Patents
Info
- Publication number
- JPH02118746U JPH02118746U JP2723389U JP2723389U JPH02118746U JP H02118746 U JPH02118746 U JP H02118746U JP 2723389 U JP2723389 U JP 2723389U JP 2723389 U JP2723389 U JP 2723389U JP H02118746 U JPH02118746 U JP H02118746U
- Authority
- JP
- Japan
- Prior art keywords
- lance
- insertion port
- lance insertion
- container
- vacuum refining
- 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
- 230000037431 insertion Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 3
- 239000010953 base metal Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Description
第１図は本考案のランスを使用する場合の実施
例を示す断面図、第２図はランスを使用しない場
合の実施例を示す断面図、第３図は本考案例と従
来例の地金溶解作業時間（平均）を示す棒グラフ
、第４図は従来のランスを使用する場合の実施例
を示す断面図、第５図は従来のランスを使用しな
い場合の実施例を示す断面図である。
１……ランス、２……容器鉄皮、３……内張り
耐火物、４……シール装置、５……ガス吹出しノ
ズル、６……付着地金、７……盲蓋、８……ラン
ス挿入口、９……シール材、１０……精錬容器、
１１……保持金物、１２……ヘツダ、１３……ガ
ス供給管。
Fig. 1 is a sectional view showing an embodiment in which the lance of the present invention is used, Fig. 2 is a sectional view showing an embodiment in which the lance is not used, and Fig. 3 is a sectional view showing the ingots of the inventive example and the conventional example. A bar graph showing the melting operation time (average), FIG. 4 is a sectional view showing an example in which a conventional lance is used, and FIG. 5 is a sectional view showing an example in which a conventional lance is not used. 1... Lance, 2... Container steel shell, 3... Lining refractory, 4... Sealing device, 5... Gas blowing nozzle, 6... Adhesive base metal, 7... Blind lid, 8... Lance insertion Mouth, 9... Seal material, 10... Refining container,
11... Holding hardware, 12... Header, 13... Gas supply pipe.
Claims (1)
との間に形成される隙間を密封するシール装置ま
たは盲蓋を装着する真空精錬容器のランス挿入口
構造において、前記ランス挿入口の内周面に炉内
方向に向けて開口する複数個の地金付着防止用ガ
ス吹出しノズルを配設したことを特徴とする真空
精錬容器のランス挿入口構造。 In a lance insertion port structure of a vacuum refining container in which a sealing device or a blind lid is attached to the upper part of the lance insertion port provided in the container to seal the gap formed between the lance and the lance, the lance insertion port is provided on the inner peripheral surface of the lance insertion port. A lance insertion port structure for a vacuum refining vessel, characterized in that a plurality of gas blowing nozzles for preventing base metal adhesion are provided that open toward the inside of the furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2723389U JPH0638108Y2 (en) | 1989-03-13 | 1989-03-13 | Lance insertion structure of vacuum refining vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2723389U JPH0638108Y2 (en) | 1989-03-13 | 1989-03-13 | Lance insertion structure of vacuum refining vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02118746U true JPH02118746U (en) | 1990-09-25 |
| JPH0638108Y2 JPH0638108Y2 (en) | 1994-10-05 |
Family
ID=31249549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2723389U Expired - Fee Related JPH0638108Y2 (en) | 1989-03-13 | 1989-03-13 | Lance insertion structure of vacuum refining vessel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0638108Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4592227B2 (en) * | 2001-07-27 | 2010-12-01 | 新日本製鐵株式会社 | Apparatus and method for sealing holes for addition of alloy / secondary material in vacuum refining furnace |
| KR101347605B1 (en) * | 2012-08-22 | 2014-01-07 | 주식회사 우진 | A preventing apparatus attached skulls at enterance of an oxygen lance of a vacuum vessel |
-
1989
- 1989-03-13 JP JP2723389U patent/JPH0638108Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0638108Y2 (en) | 1994-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |