JPS6437456U - - Google Patents
Info
- Publication number
- JPS6437456U JPS6437456U JP13216887U JP13216887U JPS6437456U JP S6437456 U JPS6437456 U JP S6437456U JP 13216887 U JP13216887 U JP 13216887U JP 13216887 U JP13216887 U JP 13216887U JP S6437456 U JPS6437456 U JP S6437456U
- Authority
- JP
- Japan
- Prior art keywords
- blast furnace
- furnace tuyere
- heat insulating
- ring
- blow pipe
- 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
- 239000000446 fuel Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 239000011810 insulating material Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 1
Landscapes
- Blast Furnaces (AREA)
Description
第１図は粉体燃料吹込みバーナ位置と羽口の断
熱リング長さとの関係を模式的に示す模式図、第
２図は断熱リング長さと粉体燃料吹込みバーナ位
置の距離との関係に於ける断熱リング溶損ならび
に灰分付着の関係を示すグラフ、第３図は本考案
の実施例である高炉羽口の拡大断面図、第４図は
従来の羽口構造を示す断面図、第５図は断熱リン
グの溶損箇所を示す断面図である。
符号の名称は次の通り、１…粉体燃料吹込みバ
ーナ、２…ブローパイプ、３…高炉羽口、４…断
熱リング、５…冷却水室、ａ点…高炉羽口とブロ
ーパイプとの接合境界位置、ｌ１…境界位置から
バーナ位置までの距離、ｌ２…断熱リングの長さ
。
Figure 1 is a schematic diagram showing the relationship between the position of the powder fuel injection burner and the length of the insulation ring of the tuyere, and Figure 2 is a diagram showing the relationship between the length of the insulation ring and the distance between the position of the powder fuel injection burner. Graph showing the relationship between heat insulating ring erosion and ash adhesion; Figure 3 is an enlarged sectional view of a blast furnace tuyere that is an embodiment of the present invention; Figure 4 is a sectional view showing a conventional tuyere structure; The figure is a sectional view showing the melted portion of the heat insulating ring. The symbol names are as follows: 1...Powdered fuel injection burner, 2...Blowpipe, 3...Blast furnace tuyere, 4...Insulation ring, 5...Cooling water chamber, Point a...Blast furnace tuyere and blowpipe Joint boundary position, l1 ...distance from the boundary position to the burner position, l2 ...length of the insulation ring.
Claims (1)
料と熱風炉などからの熱風を送給するブローパイ
プと連接され、内部に冷却水が流通する冷却室が
形成され、かつ内面に断熱材による断熱リングが
装着されてなる高炉羽口において、前記断熱リン
グの長さが前記ブローパイプと高炉羽口との境界
位置から下流側に向つて２２０mm乃至１５０mmの
範囲に装着してなることを特徴とする高炉羽口の
構造。 It is connected to a blow pipe that supplies powdered fuel blown from a powdered fuel injection burner and hot air from a hot blast furnace, forming a cooling chamber through which cooling water flows, and the inner surface is insulated with heat insulating material. A blast furnace tuyere equipped with a ring is characterized in that the length of the heat insulating ring is installed in a range of 220 mm to 150 mm downstream from the boundary between the blow pipe and the blast furnace tuyere. Structure of blast furnace tuyere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13216887U JPH0343220Y2 (en) | 1987-08-28 | 1987-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13216887U JPH0343220Y2 (en) | 1987-08-28 | 1987-08-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6437456U true JPS6437456U (en) | 1989-03-07 |
| JPH0343220Y2 JPH0343220Y2 (en) | 1991-09-10 |
Family
ID=31388886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13216887U Expired JPH0343220Y2 (en) | 1987-08-28 | 1987-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0343220Y2 (en) |
-
1987
- 1987-08-28 JP JP13216887U patent/JPH0343220Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0343220Y2 (en) | 1991-09-10 |
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