JPS62142466U - - Google Patents
Info
- Publication number
- JPS62142466U JPS62142466U JP2918886U JP2918886U JPS62142466U JP S62142466 U JPS62142466 U JP S62142466U JP 2918886 U JP2918886 U JP 2918886U JP 2918886 U JP2918886 U JP 2918886U JP S62142466 U JPS62142466 U JP S62142466U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- gas
- flow hole
- nozzle body
- pool space
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 1
- 239000011819 refractory material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Description
第１図及び第２図は本考案に基づくノズルのそ
れぞれ異なつた実施例を示す断面図、第３図は本
考案に基づいて製造した実施例のノズルの具体的
形状及び寸法を示す断面図、第４図は本考案と従
来のノズルの制御特性を調査した結果の一例を示
す図、第５図は公知のノズル及びスライデイング
ノズルの一例を示す断面図である。
１…タンデイツシユ、１ａ…タンデイツシユ底
壁、２…スライデイングノズル、３…上ノズル、
４…浸漬ノズル、５…溶鋼、６…溶鋼流通孔、７
…ガス供給系、１０…本考案のノズル、１１…ノ
ズル本体、１１ａ…凹溝、１１ｂ…ノズル下端、
１２…ポーラス耐火物層、１３…ガスプール空間
、１４…ガス導入管、１５…薄鉄板、２１…固定
板、２２…スライド板、２３…下部ノズル、５０
…溶鋼流、６０…溶鋼流通孔。
1 and 2 are cross-sectional views showing different embodiments of the nozzle based on the present invention, and FIG. 3 is a cross-sectional view showing the specific shape and dimensions of the nozzle of the embodiment manufactured based on the present invention. FIG. 4 is a diagram showing an example of the results of investigation into the control characteristics of the present invention and the conventional nozzle, and FIG. 5 is a sectional view showing an example of a known nozzle and a sliding nozzle. DESCRIPTION OF SYMBOLS 1... Tandite dish, 1a... Tandite dish bottom wall, 2... Sliding nozzle, 3... Upper nozzle,
4... Immersion nozzle, 5... Molten steel, 6... Molten steel flow hole, 7
... Gas supply system, 10... Nozzle of the present invention, 11... Nozzle body, 11a... Concave groove, 11b... Nozzle lower end,
12... Porous refractory layer, 13... Gas pool space, 14... Gas introduction pipe, 15... Thin iron plate, 21... Fixed plate, 22... Slide plate, 23... Lower nozzle, 50
... Molten steel flow, 60... Molten steel flow hole.
Claims (1)
通孔を有する緻密質耐火物からなるノズル本体の
前記流通孔に面するほぼ中央部に、ガスプール空
間を介装せしめて見掛気孔率ＰＹが２０〜３０％
のポーラス耐火物層を設け、前記ガスプール空間
にガス供給系を連結すると共に、前記緻密質耐火
物の見掛気孔率ＰＸとポーラス耐火物層の見掛気
孔率の比（ＰＸ／ＰＹ）を０．７〜０．９とした
ことを特徴とするガス吹込み用ノズル。 The entire outer periphery of the nozzle body is covered with a thin iron plate, and the nozzle body is made of a dense refractory material that has a molten steel flow hole in the center of the axis.A gas pool space is interposed in the approximate center facing the flow hole to create an apparent hole. Rate PY is 20-30%
A porous refractory layer is provided, a gas supply system is connected to the gas pool space, and the ratio of the apparent porosity PX of the dense refractory to the apparent porosity of the porous refractory layer (PX/PY) is A gas blowing nozzle characterized in that the diameter is 0.7 to 0.9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2918886U JPS62142466U (en) | 1986-03-03 | 1986-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2918886U JPS62142466U (en) | 1986-03-03 | 1986-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62142466U true JPS62142466U (en) | 1987-09-08 |
Family
ID=30832854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2918886U Pending JPS62142466U (en) | 1986-03-03 | 1986-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62142466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01118855U (en) * | 1988-02-02 | 1989-08-11 |
-
1986
- 1986-03-03 JP JP2918886U patent/JPS62142466U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01118855U (en) * | 1988-02-02 | 1989-08-11 |
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