KR920012463A - 분상입자의 유동층노벽부착 방지방법 - Google Patents
분상입자의 유동층노벽부착 방지방법 Download PDFInfo
- Publication number
- KR920012463A KR920012463A KR1019900021985A KR900021985A KR920012463A KR 920012463 A KR920012463 A KR 920012463A KR 1019900021985 A KR1019900021985 A KR 1019900021985A KR 900021985 A KR900021985 A KR 900021985A KR 920012463 A KR920012463 A KR 920012463A
- Authority
- KR
- South Korea
- Prior art keywords
- fluidized bed
- bed furnace
- powdered particles
- furnace
- preventing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Manufacture Of Iron (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 일반적인 용융환원법을 개략적으로 나타내는 도표.
Claims (1)
- 유동층 환원로를 사용하여 직접환원시키는 방법에 있어서, 상기 유동층의 로벽이 여러개의 원추형태로 경사진 경사부를 갖고 각각의 로벽 하부에 보조가스유입구가 형성된 유동층 환원로에 상기분말을 주입한 후, 상기 내벽 경사부와 평행하게 보조환원가스를 유입함을 특징으로 하는 분상입자의 유동층노벽부착 방지방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900021985A KR930001006B1 (ko) | 1990-12-27 | 1990-12-27 | 분광석의 유동 층환원로 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900021985A KR930001006B1 (ko) | 1990-12-27 | 1990-12-27 | 분광석의 유동 층환원로 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR920012463A true KR920012463A (ko) | 1992-07-27 |
| KR930001006B1 KR930001006B1 (ko) | 1993-02-12 |
Family
ID=19308620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019900021985A KR930001006B1 (ko) | 1990-12-27 | 1990-12-27 | 분광석의 유동 층환원로 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR930001006B1 (ko) |
-
1990
- 1990-12-27 KR KR1019900021985A patent/KR930001006B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR930001006B1 (ko) | 1993-02-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| G160 | Decision to publish patent application | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 19971229 Year of fee payment: 6 |
|
| LAPS | Lapse due to unpaid annual fee |