JPS63127962U - - Google Patents
Info
- Publication number
- JPS63127962U JPS63127962U JP1650387U JP1650387U JPS63127962U JP S63127962 U JPS63127962 U JP S63127962U JP 1650387 U JP1650387 U JP 1650387U JP 1650387 U JP1650387 U JP 1650387U JP S63127962 U JPS63127962 U JP S63127962U
- Authority
- JP
- Japan
- Prior art keywords
- tuyere
- ceramic
- vertical reduction
- reduction furnace
- powder injection
- 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
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 239000008187 granular material Substances 0.000 claims 1
- 239000010953 base metal Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011823 monolithic refractory Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Blast Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Description
第１図は本考案の羽口を示す断面図、第２図Ａ
，Ｂは本考案の筒体を示しＡは断面図、Ｂは正面
図、第３図は第２図ＡのＣ部の拡大断面図、第４
図〜第７図はいずれも本考案のセラミツクの鋳込
み態様を示す断面図、第８図はセラミツクの熱衝
撃温度差と抗折強度との関係を示す線図、第９図
は粉体吹込用羽口の全体を示す断面図、第１０図
は従来の羽口の摩耗状況を示す断面図である。
２３……羽口本体、２４……セラミツク、２６
……筒体、２８……不定形耐火物、３０……母材
金属。
Figure 1 is a sectional view showing the tuyere of the present invention, Figure 2A
, B shows the cylindrical body of the present invention, A is a sectional view, B is a front view, FIG. 3 is an enlarged sectional view of part C in FIG.
Figures to Figure 7 are all cross-sectional views showing the casting mode of the ceramic of the present invention, Figure 8 is a diagram showing the relationship between thermal shock temperature difference and bending strength of ceramic, and Figure 9 is for powder blowing. FIG. 10 is a cross-sectional view showing the entire tuyere, and FIG. 10 is a cross-sectional view showing the state of wear of a conventional tuyere. 23... Tuyere body, 24... Ceramic, 26
... Cylindrical body, 28 ... Monolithic refractory material, 30 ... Base metal.
Claims (1)
埋設した粉体吹込用羽口において、粒塊状、板状
もしくは棒状の前記セラミツクをあらかじめ鋳込
んだ筒体を前記羽口の先端の内面に密着固定した
ことを特徴とする竪型還元炉の粉体吹込用羽口。 In a powder injection tuyere embedded with ceramic for injecting powder into the furnace of a vertical reduction furnace, a cylindrical body pre-cast with the ceramic in the form of granules, plates, or rods is inserted into the inner surface of the tip of the tuyere. A tuyere for powder injection in a vertical reduction furnace characterized by being closely fixed to the tuyere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1650387U JPH0348195Y2 (en) | 1987-02-06 | 1987-02-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1650387U JPH0348195Y2 (en) | 1987-02-06 | 1987-02-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63127962U true JPS63127962U (en) | 1988-08-22 |
| JPH0348195Y2 JPH0348195Y2 (en) | 1991-10-15 |
Family
ID=30808418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1650387U Expired JPH0348195Y2 (en) | 1987-02-06 | 1987-02-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0348195Y2 (en) |
-
1987
- 1987-02-06 JP JP1650387U patent/JPH0348195Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0348195Y2 (en) | 1991-10-15 |
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