JPH02106450U - - Google Patents
Info
- Publication number
- JPH02106450U JPH02106450U JP1374289U JP1374289U JPH02106450U JP H02106450 U JPH02106450 U JP H02106450U JP 1374289 U JP1374289 U JP 1374289U JP 1374289 U JP1374289 U JP 1374289U JP H02106450 U JPH02106450 U JP H02106450U
- Authority
- JP
- Japan
- Prior art keywords
- air exhaust
- molten metal
- iron skin
- vacuum
- vacuum chamber
- 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
- 238000007670 refining Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 4
- 229910052742 iron Inorganic materials 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 229910052751 metal Inorganic materials 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Description
第１図は、従来の真空精錬装置の概略断面図、
第２図は、従来の真空精錬装置での脱窒状態を示
す図、第３図は、第１図（従来の真空精錬装置）
のＡ部拡大断面図、第４図ａは、本考案の真空精
錬装置の概略断面を示す図、第４図ｂは、第４図
ａのＢ部拡大断面図、第５図は、本考案の装置お
よび従来の装置における脱窒状態を示す図、第６
図は、本考案の装置および従来の装置の真空処理
時間と鋼中窒素濃度の変化を示す図、である。
１は真空槽、２は浸漬管、３は取鍋、４は溶鋼
、５は亀裂、６は空気、７は侵入空気排気部。
FIG. 1 is a schematic cross-sectional view of a conventional vacuum refining device,
Figure 2 is a diagram showing the denitrification state in a conventional vacuum smelter, and Figure 3 is a diagram showing the denitrification state in a conventional vacuum smelter.
FIG. 4a is an enlarged cross-sectional view of part A of the present invention, FIG. 4b is an enlarged cross-sectional view of part B of FIG. 4a, and FIG. Fig. 6 shows the denitrification state in the device and the conventional device.
The figure is a diagram showing changes in vacuum treatment time and nitrogen concentration in steel in the apparatus of the present invention and the conventional apparatus. 1 is a vacuum chamber, 2 is an immersion tube, 3 is a ladle, 4 is molten steel, 5 is a crack, 6 is air, and 7 is an intrusion air exhaust part.
Claims (1)
に、侵入空気排出用抽気孔を有する鉄皮と、その
外側を覆う外装鉄皮とで形成された侵入空気排気
部を設けたことを特徴とする溶融金属の真空精錬
装置。 It is characterized by providing an infiltrated air exhaust part formed by an iron skin having a bleed hole for invading air exhaust and an exterior iron skin covering the outside at the lower part of the vacuum chamber corresponding to the part where molten metal is stored. Vacuum refining equipment for molten metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1374289U JPH02106450U (en) | 1989-02-08 | 1989-02-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1374289U JPH02106450U (en) | 1989-02-08 | 1989-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02106450U true JPH02106450U (en) | 1990-08-23 |
Family
ID=31224315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1374289U Pending JPH02106450U (en) | 1989-02-08 | 1989-02-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02106450U (en) |
-
1989
- 1989-02-08 JP JP1374289U patent/JPH02106450U/ja active Pending