KR910012268A - 가스취입용 다공성 플러그 - Google Patents
가스취입용 다공성 플러그 Download PDFInfo
- Publication number
- KR910012268A KR910012268A KR1019900021394A KR900021394A KR910012268A KR 910012268 A KR910012268 A KR 910012268A KR 1019900021394 A KR1019900021394 A KR 1019900021394A KR 900021394 A KR900021394 A KR 900021394A KR 910012268 A KR910012268 A KR 910012268A
- Authority
- KR
- South Korea
- Prior art keywords
- gas blowing
- porous plug
- refractory
- gas
- porous
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/072—Treatment with gases
-
- 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
- C04B35/10—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 aluminium oxide
- C04B35/101—Refractories from grain sized mixtures
- C04B35/103—Refractories from grain sized mixtures containing non-oxide refractory materials, e.g. carbon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Metallurgy (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
첨부도면은 본 발명에 의한 다공성 플러그의 일예를 보인 개략도 이다.
Claims (2)
- 중량비율로서 카본1-40%, 나머지부가 내화성 골재를 주재로 한 배합물로 되는 소성 또는 불소성의 카본 함유 내화물을 외주 내화물로 하여 그 내부에 가스 투과성의 다공질 내화물을 설치한 가스 취입용 다공성 플러그.
- 내화성 골재가 알루미나, 마그네시아, 스피넬로부터 선택 되는 1종 또는 2종 이상인 청구범위 제1항 기재의 가스취입용 다공성 플러그.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1332856A JPH0735291B2 (ja) | 1989-12-25 | 1989-12-25 | ガス吹き込み用ポーラスプラグ |
| JP89-332856 | 1989-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR910012268A true KR910012268A (ko) | 1991-08-07 |
Family
ID=18259570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019900021394A KR910012268A (ko) | 1989-12-25 | 1990-12-21 | 가스취입용 다공성 플러그 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0735291B2 (ko) |
| KR (1) | KR910012268A (ko) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5755387A (en) * | 1980-09-17 | 1982-04-02 | Toshiba Ceramics Co | Porous refractory for blowing gas |
| JPS6046168A (ja) * | 1983-08-22 | 1985-03-12 | Tokyo Electric Co Ltd | フアクシミリ方式変換装置 |
| JPS60159434A (ja) * | 1984-01-31 | 1985-08-20 | Showa Mfg Co Ltd | 減衰力調整式緩衝器 |
| JPS62185822A (ja) * | 1986-02-10 | 1987-08-14 | Nippon Kokan Kk <Nkk> | ガス吸込みプラグ |
| JPS635262A (ja) * | 1986-06-25 | 1988-01-11 | Sumitomo Chem Co Ltd | 核燃料再処理溶媒中のリン酸水素ジブチルおよびリン酸ジ水素モノブチルの定量分析法 |
-
1989
- 1989-12-25 JP JP1332856A patent/JPH0735291B2/ja not_active Expired - Fee Related
-
1990
- 1990-12-21 KR KR1019900021394A patent/KR910012268A/ko not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735291B2 (ja) | 1995-04-19 |
| JPH03193813A (ja) | 1991-08-23 |
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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 |