KR100558654B1 - 공업용 로(爐)에 내장되는 단열벽돌 및 그 제조방법 - Google Patents
공업용 로(爐)에 내장되는 단열벽돌 및 그 제조방법 Download PDFInfo
- Publication number
- KR100558654B1 KR100558654B1 KR1020030092921A KR20030092921A KR100558654B1 KR 100558654 B1 KR100558654 B1 KR 100558654B1 KR 1020030092921 A KR1020030092921 A KR 1020030092921A KR 20030092921 A KR20030092921 A KR 20030092921A KR 100558654 B1 KR100558654 B1 KR 100558654B1
- Authority
- KR
- South Korea
- Prior art keywords
- oxide
- furnace
- brick
- insulation brick
- film layer
- Prior art date
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- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/88—Metals
-
- 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
-
- 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
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/4505—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application
- C04B41/4535—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application applied as a solution, emulsion, dispersion or suspension
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Description
구성성분 | 실시예6 | 실시예7 | 실시예8 | 실시예9 | 실시예10 | 실시예11 | 실시예12 |
산화철 | 95 | 50 | |||||
산화크롬 | 85 | 50 | |||||
산화망간 | 90 | ||||||
산화티타늄 | 75 | ||||||
코발트 | 60 | ||||||
탄화규소 | 5 | ||||||
카본 | 2 | ||||||
산화알미늄 | 5 | 40 | 15 | 35 | 15 | 40 | |
산화규소 | 10 | 10 | 5 | 5 | 8 | ||
기타 | |||||||
합계 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
흑도 | 0.94 | 0.92 | 0.96 | 0.95 | 0.90 | 0.97 | 0.95 |
소모에너지 (Gcal/시간) | 28.6 | 28.9 | 28.5 | 28.5 | 28.6 | ||
BC유로환산한 금액(억원/년) | 66.72 | 67.43 | 66.5 | - | - | 66.48 | 66.73 |
실시효과 (금액절감 비율%) | 4.68 | 3.67 | 5.0 | 5.02 | 4.67 |
비교 | 비교2 | 1-1 | 2-2 | 3-3 | 5-5 | 7-7 | 8-8 | 10-10 | 12-12 | 미실시 | ||
소성 조건 | 온도 (℃) | 150 | 450 | 550 | 1100 | 1250 | 1300 | 1450 | 1550 | 1650 | 1680 | - |
시간 (h) | 24 | 10 | 5 | 5 | 3 | 3 | 3 | 1 | 2 | 1 | - | |
접착 강도 (kg/cm2) | 900 (℃) | 6 | 15 | 31 | 53 | 77 | 75 | - | - | - | - | 4 |
1500 (℃) | 5 | 13 | 27 | 51 | 65 | 68 | 72 | 71 | 74 | - | ||
1650 (℃) | 6 | 13 | 25 | - | - | - | 69 | 70 | 73 | 75 | 5 | |
비고 | 접착강도취약 | 본 발명의 실시예는 내구성 1년 이상의 접착강도 발현 | 접착강도취약 |
구분 | 본 발명 | 비교품(현장스프레이) |
결합강도(kg/cm2) | 30 이상 | 10 이하 |
내구성 | 1-5년 | 10개월 이하 |
흑도 | 0.99 | 측정불가 |
성분 | 본 발명의 실시예5(표1)및 5-5(표3) | - |
효과(에너지 절감) | 에너지 절감5.33% 1년이상 지속 | 6개월후 1%이하로 떨어짐 |
비고 | 1년후 95%이상부착 1년이후 효과95%이상 유지 | 6개월후 50%이하 부착 9-6개월후 효과30% 이하 |
Claims (4)
- 삭제
- 삭제
- 고온가열을 요하는 공업용 로(爐)에 내장되는 단열벽돌에 있어서, 산화철(Fe2O3 또는 FeO), 산화크롬(Cr2O3), 산화망간, 산화티타늄, 코발트 중 적어도 1종이 5∼95중량%이고, 나머지가 산화알루미늄,산화규소, 산화지르코니아, 산화마그네슘, 산화칼슘, 산화나트륨, 탄화규소, 탄소 중 적어도 1종이 5∼95중량%로 조성된 원료에 물, 알코올, 석유 중 적어도 1종의 용매를 혼합하는 단계,상기 혼합 조성물을 로 내부에 접하는 단열벽돌의 내부쪽에 도포하여 흑화피막층이 형성되게 하는 단계,상기 흑화피막층이 형성된 단열벽돌을 500∼1700℃에서 1∼7시간 소성하는 단계로 하여 흑화피막층의 흑도(흑색의 채도)가 0.85∼0.99가 되도록 함을 특징으로 하는 공업용 로(爐)에 내장되는 단열벽돌의 제조방법.
- 삭제
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006500624A JP2006517507A (ja) | 2003-01-13 | 2004-01-13 | 工業用炉に内装される断熱煉瓦、及びその製造方法 |
PCT/KR2004/000043 WO2004063652A2 (en) | 2003-01-13 | 2004-01-13 | Refractory brick with high emissivity coating for furnace and method for making the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030002058 | 2003-01-13 | ||
KR20030002058 | 2003-01-13 |
Publications (2)
Publication Number | Publication Date |
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KR20040064597A KR20040064597A (ko) | 2004-07-19 |
KR100558654B1 true KR100558654B1 (ko) | 2006-03-14 |
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KR1020030092921A KR100558654B1 (ko) | 2003-01-13 | 2003-12-18 | 공업용 로(爐)에 내장되는 단열벽돌 및 그 제조방법 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110981512A (zh) * | 2019-12-24 | 2020-04-10 | 洛阳嘉德节能科技有限公司 | 一种炉窑用纤维制品表面热反射抗侵蚀纳米涂料 |
CN113943502B (zh) * | 2021-11-03 | 2022-07-05 | 攀钢集团攀枝花钢铁研究院有限公司 | 利用冶金固废制备红外涂层涂料的方法 |
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