JPH0314136U - - Google Patents
Info
- Publication number
- JPH0314136U JPH0314136U JP7591589U JP7591589U JPH0314136U JP H0314136 U JPH0314136 U JP H0314136U JP 7591589 U JP7591589 U JP 7591589U JP 7591589 U JP7591589 U JP 7591589U JP H0314136 U JPH0314136 U JP H0314136U
- Authority
- JP
- Japan
- Prior art keywords
- inner tube
- pulverized coal
- flow path
- lance
- semicircular part
- 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
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000000498 cooling water Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Blast Furnaces (AREA)
Description
第１図は本考案の微粉炭−水吹込みランスの縦
断面図、第２図は第１図の−断面図、第３図
は本考案の吹込みランスを高炉羽口に取り付けた
状況を示す図、第４図は本考案の吹込みランスで
吹込みを実施したときのレースウエーのガス組成
を示したグラフ図、第５図は微粉炭の単独吹込み
および水の単独吹込みを実施したときのレースウ
エーのガス組成を示したグラフである。
８……第２の外管、９……仕切管、１０……第
１の外管、１１……内管、１２……冷却水の流路
、１３……吹込み水の流路、１４……微粉炭の流
路、１５……冷却水の入口管、１６……冷却水の
出口管、１７……吹込み水の入口管、１８……微
粉炭の入口管、１９……盲板。
Figure 1 is a vertical cross-sectional view of the pulverized coal-water injection lance of the present invention, Figure 2 is a cross-sectional view of Figure 1, and Figure 3 shows the injection lance of the present invention installed in the blast furnace tuyere. Figure 4 is a graph showing the gas composition of the raceway when injection is performed using the injection lance of the present invention, and Figure 5 is a graph showing the gas composition of the raceway when injection was performed using the injection lance of the present invention. It is a graph showing the gas composition of the raceway when 8... Second outer pipe, 9... Partition pipe, 10... First outer pipe, 11... Inner pipe, 12... Cooling water flow path, 13... Blow water flow path, 14 ...Flow path for pulverized coal, 15...Inlet pipe for cooling water, 16...Outlet pipe for cooling water, 17...Inlet pipe for blown water, 18...Inlet pipe for pulverized coal, 19...Blind plate .
Claims (1)
て、微粉炭を吹込む内管と内管に偏心させて外側
に設けた外管とからなり、内管を微粉炭の吹込み
流路とし、前記内管と外管の間の間隙の小さい側
の半円部分を盲とし、残り半円部を水の流路とし
たことを特徴とする微粉炭−水吹込みランス。 A lance for injecting powder and liquid into a blast furnace consists of an inner tube for injecting pulverized coal and an outer tube eccentrically placed outside the inner tube, with the inner tube serving as the pulverized coal injection flow path. A pulverized coal-water injection lance, characterized in that the semicircular part on the smaller side of the gap between the inner tube and the outer tube is blind, and the remaining semicircular part is used as a water flow path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7591589U JPH0314136U (en) | 1989-06-28 | 1989-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7591589U JPH0314136U (en) | 1989-06-28 | 1989-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0314136U true JPH0314136U (en) | 1991-02-13 |
Family
ID=31616913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7591589U Pending JPH0314136U (en) | 1989-06-28 | 1989-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0314136U (en) |
-
1989
- 1989-06-28 JP JP7591589U patent/JPH0314136U/ja active Pending
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