KR870002037A - 용광로용 노상 보수재의 제조방법 - Google Patents
용광로용 노상 보수재의 제조방법 Download PDFInfo
- Publication number
- KR870002037A KR870002037A KR1019850005917A KR850005917A KR870002037A KR 870002037 A KR870002037 A KR 870002037A KR 1019850005917 A KR1019850005917 A KR 1019850005917A KR 850005917 A KR850005917 A KR 850005917A KR 870002037 A KR870002037 A KR 870002037A
- Authority
- KR
- South Korea
- Prior art keywords
- manufacturing
- blast furnace
- repair material
- hearth repair
- hearth
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/03—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
- C04B35/04—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (1)
- 조립자로 분쇄된 도로 마이트를 300℃ 정도의 온도로 가열하여 산화마그네슘(MgO)의 함량이 30% 이상인 입자상의 다공성 내화재를 얻은 다음, 이를 교반기에 투입하고 이에 조성물 15%인 타르를 혼합 70℃ 온도로 20-30분간 교반하면서 휘발성 용제를 투입함을 특징으로 하는 용광로등의 노상 보수재의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019850005917A KR890001996B1 (ko) | 1985-08-16 | 1985-08-16 | 용광로용 노상보수재의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019850005917A KR890001996B1 (ko) | 1985-08-16 | 1985-08-16 | 용광로용 노상보수재의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870002037A true KR870002037A (ko) | 1987-03-28 |
| KR890001996B1 KR890001996B1 (ko) | 1989-06-07 |
Family
ID=19242284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019850005917A KR890001996B1 (ko) | 1985-08-16 | 1985-08-16 | 용광로용 노상보수재의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR890001996B1 (ko) |
-
1985
- 1985-08-16 KR KR1019850005917A patent/KR890001996B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR890001996B1 (ko) | 1989-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| E601 | Decision to refuse application | ||
| J2X1 | Appeal (before the patent court) |
Free format text: APPEAL AGAINST DECISION TO DECLINE 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: 19960515 Year of fee payment: 8 |
|
| LAPS | Lapse due to unpaid annual fee |