JPH0338344U - - Google Patents
Info
- Publication number
- JPH0338344U JPH0338344U JP9703889U JP9703889U JPH0338344U JP H0338344 U JPH0338344 U JP H0338344U JP 9703889 U JP9703889 U JP 9703889U JP 9703889 U JP9703889 U JP 9703889U JP H0338344 U JPH0338344 U JP H0338344U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- combustion
- oxygen
- utility
- parallel
- 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
- 238000003723 Smelting Methods 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000003245 coal Substances 0.000 claims 1
- 239000000112 cooling gas Substances 0.000 claims 1
- 239000000446 fuel Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 238000007670 refining Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Manufacture Of Iron (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Description
第１図ａは本考案の一実施例を示す断面図、第
１図ｂは他の実施例を示す断面図、第２図ａ〜ｃ
は比較試験の諸元を示す図表、第３図は従来のノ
ズルの断面図、第４図は従来のノズルにおける損
傷によるガスの流れを示す説明図である。
１……単管ノズル、２……二重管ノズル、３…
…内管、４……外管。
Figure 1a is a sectional view showing one embodiment of the present invention, Figure 1b is a sectional view showing another embodiment, and Figures 2a-c.
3 is a sectional view of a conventional nozzle, and FIG. 4 is an explanatory diagram showing gas flow due to damage in a conventional nozzle. 1...Single pipe nozzle, 2...Double pipe nozzle, 3...
...Inner pipe, 4...Outer pipe.
Claims (1)
粉炭と支燃性ガスの酸素とを供給するノズルであ
つて、燃料を供給する単管ノズルと、支燃性ガス
を中心にその周囲を冷却するガスを供給する二重
管ノズルを並列に配置したことを特徴とするノズ
ル。 In a refining furnace such as a smelting reduction furnace, it is a nozzle that supplies pulverized coal as a fuel source and oxygen as a combustion-supporting gas. A nozzle characterized by double pipe nozzles that supply cooling gas arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9703889U JPH0338344U (en) | 1989-08-18 | 1989-08-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9703889U JPH0338344U (en) | 1989-08-18 | 1989-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0338344U true JPH0338344U (en) | 1991-04-12 |
Family
ID=31646195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9703889U Pending JPH0338344U (en) | 1989-08-18 | 1989-08-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0338344U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014162964A1 (en) | 2013-04-03 | 2014-10-09 | Ｊｆｅスチール株式会社 | Blast furnace operation method |
| US9309578B2 (en) | 2012-07-13 | 2016-04-12 | Jfe Steel Corporation | Blast furnace operating method and tube bundle-type lance |
| US9945001B2 (en) | 2013-04-03 | 2018-04-17 | Jfe Steel Corporation | Blast furnace operation method and lance |
-
1989
- 1989-08-18 JP JP9703889U patent/JPH0338344U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9309578B2 (en) | 2012-07-13 | 2016-04-12 | Jfe Steel Corporation | Blast furnace operating method and tube bundle-type lance |
| WO2014162964A1 (en) | 2013-04-03 | 2014-10-09 | Ｊｆｅスチール株式会社 | Blast furnace operation method |
| US9938593B2 (en) | 2013-04-03 | 2018-04-10 | Jfe Steel Corporation | Blast furnace operation method |
| US9945001B2 (en) | 2013-04-03 | 2018-04-17 | Jfe Steel Corporation | Blast furnace operation method and lance |
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