JPS61189195U - - Google Patents
Info
- Publication number
- JPS61189195U JPS61189195U JP7271785U JP7271785U JPS61189195U JP S61189195 U JPS61189195 U JP S61189195U JP 7271785 U JP7271785 U JP 7271785U JP 7271785 U JP7271785 U JP 7271785U JP S61189195 U JPS61189195 U JP S61189195U
- Authority
- JP
- Japan
- Prior art keywords
- fluidized bed
- oxidizing gas
- bed reduction
- reduction furnace
- raw material
- 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
- 239000002994 raw material Substances 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010926 purge Methods 0.000 claims 1
Landscapes
- Manufacture Of Iron (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Description
第１図は本考案に係る流動層式還元炉の要部を
示す断面図、第２図及び第３図は従来の流動層式
還元炉を示す第１図と同様の断面図である。
１０……流動層式還元炉、１２……流動層、１
４……原料投入口、１４Ａ……多孔質耐火物、１
５……非酸化性ガス供給設備。
FIG. 1 is a sectional view showing essential parts of a fluidized bed reduction furnace according to the present invention, and FIGS. 2 and 3 are sectional views similar to FIG. 1 showing a conventional fluidized bed reduction furnace. 10... Fluidized bed reduction furnace, 12... Fluidized bed, 1
4... Raw material input port, 14A... Porous refractory, 1
5...Non-oxidizing gas supply equipment.
Claims (1)
流動層式還元炉において、前記原料投入口の少な
くとも炉内周壁部分を、多孔質耐火物で形成する
と共に、該多孔質耐火物を通して、非酸化性ガス
を炉内にパージさせる非酸化性ガス供給設備を設
けたことを特徴とする流動層式還元炉。 In a fluidized bed reduction furnace in which powdery raw materials are preheated and charged through a raw material inlet, at least the inner peripheral wall of the raw material inlet is formed of a porous refractory, and a non-oxidized material is passed through the porous refractory. A fluidized bed reduction furnace characterized by being equipped with non-oxidizing gas supply equipment for purging oxidizing gas into the furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7271785U JPH033917Y2 (en) | 1985-05-16 | 1985-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7271785U JPH033917Y2 (en) | 1985-05-16 | 1985-05-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61189195U true JPS61189195U (en) | 1986-11-26 |
| JPH033917Y2 JPH033917Y2 (en) | 1991-01-31 |
Family
ID=30611389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7271785U Expired JPH033917Y2 (en) | 1985-05-16 | 1985-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH033917Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2014061454A1 (en) * | 2012-10-16 | 2016-09-05 | 住友重機械工業株式会社 | Fluidized bed combustion furnace |
-
1985
- 1985-05-16 JP JP7271785U patent/JPH033917Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2014061454A1 (en) * | 2012-10-16 | 2016-09-05 | 住友重機械工業株式会社 | Fluidized bed combustion furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH033917Y2 (en) | 1991-01-31 |