KR100526960B1 - 연속주조용 노즐 - Google Patents
연속주조용 노즐 Download PDFInfo
- Publication number
- KR100526960B1 KR100526960B1 KR10-2003-0059131A KR20030059131A KR100526960B1 KR 100526960 B1 KR100526960 B1 KR 100526960B1 KR 20030059131 A KR20030059131 A KR 20030059131A KR 100526960 B1 KR100526960 B1 KR 100526960B1
- Authority
- KR
- South Korea
- Prior art keywords
- nozzle
- spinel
- continuous casting
- alumina
- present
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
- B22D41/52—Manufacturing or repairing thereof
- B22D41/54—Manufacturing or repairing thereof characterised by the materials used therefor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
Description
실 시 예 | 비 교 예 | ||||||||
1 | 2 | 1 | 2 | 3 | 4 | 5 | 6 | ||
원료배합(중량%) | 이론조성스피넬 | 80 | 68 | 98 | 88 | 48 | 68 | ||
알루미나 | 18 | 30 | 98 | 10 | 50 | 43 | |||
MgO rich스피넬 | 30 | ||||||||
실리카 | 20 | ||||||||
지르코니아 | 5 | ||||||||
흑연(C) | 30 | ||||||||
화학성분(중량%) | MgO | 22.4 | 19 | 27 | 24.6 | 14 | 30 | ||
Al2O3 | 75.6 | 79 | 98 | 71 | 73.4 | 84 | 68 | 45 | |
SiO2 | 20 | ||||||||
ZrO2 | 5 | ||||||||
C | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 30 | |
광물상 | C.S | C.S | C | S | C.S | C.S | P.S | C.G.B | |
시험결과 | 내용손성(mm/min) | 0.02 | 0.02 | 0.04 | 0.04 | 0.02 | 0.02 | 0.04 | 0.3 |
Al2O3부착성(mm) | 0.1 | 0.2 | 1.0 | 0.7 | 0.4 | 0.4 | 0.8 | 3.2 | |
내스폴링성(회) | 3 | 3 | 3 | 2 | 3 | 3 | 0 | 10 |
Claims (4)
- 50∼85중량%의 스피넬(Spinel: Al2O3와 MgO의 복합산화물)과 15∼50중량%의 코란덤(Corundum:Al2O3)으로 조성된 내화재료로 이루어짐을 특징으로 하는 연속주조용 노즐.
- 삭제
- 제 1항에 있어서,상기 조성된 내화재료가 노즐의 내공부에 형성됨을 특징으로 하는 연속주조용 노즐.
- 제 3항에 있어서,내공부에 형성된 내화재료의 두께가 2∼10mm 임을 특징으로 하는 연속주조용 노즐.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0059131A KR100526960B1 (ko) | 2003-08-26 | 2003-08-26 | 연속주조용 노즐 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0059131A KR100526960B1 (ko) | 2003-08-26 | 2003-08-26 | 연속주조용 노즐 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050022108A KR20050022108A (ko) | 2005-03-07 |
KR100526960B1 true KR100526960B1 (ko) | 2005-11-09 |
Family
ID=37230109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2003-0059131A KR100526960B1 (ko) | 2003-08-26 | 2003-08-26 | 연속주조용 노즐 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100526960B1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101907930B1 (ko) * | 2016-10-17 | 2018-10-15 | 주식회사 포스코 | 노즐 및 이의 제조 방법 |
KR102239241B1 (ko) * | 2018-10-22 | 2021-04-12 | 주식회사 포스코 | 노즐 막힘 방지장치 및 노즐 막힘 방지방법 |
CN113896547B (zh) * | 2021-09-28 | 2022-09-23 | 赛文斯新型材料(无锡)有限公司 | 连铸用水口内衬层材料及其制备方法 |
CN117226083B (zh) * | 2023-11-14 | 2024-01-26 | 山西昊业新材料开发有限公司 | 一种连铸用长水口及其制备方法 |
-
2003
- 2003-08-26 KR KR10-2003-0059131A patent/KR100526960B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR20050022108A (ko) | 2005-03-07 |
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