KR100331462B1 - 고열응력 저항성용 마그네시아-카본질 벽돌 - Google Patents
고열응력 저항성용 마그네시아-카본질 벽돌 Download PDFInfo
- Publication number
- KR100331462B1 KR100331462B1 KR1019990065761A KR19990065761A KR100331462B1 KR 100331462 B1 KR100331462 B1 KR 100331462B1 KR 1019990065761 A KR1019990065761 A KR 1019990065761A KR 19990065761 A KR19990065761 A KR 19990065761A KR 100331462 B1 KR100331462 B1 KR 100331462B1
- Authority
- KR
- South Korea
- Prior art keywords
- weight
- magnesia
- zircon
- resistance
- sio
- Prior art date
Links
- 239000011449 brick Substances 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 title description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 18
- 230000008646 thermal stress Effects 0.000 claims abstract description 18
- 229910052845 zircon Inorganic materials 0.000 claims abstract description 18
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 15
- 229910014458 Ca-Si Inorganic materials 0.000 claims abstract description 14
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 14
- 239000000956 alloy Substances 0.000 claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 10
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 9
- 239000010439 graphite Substances 0.000 claims abstract description 9
- 229910003023 Mg-Al Inorganic materials 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000000654 additive Substances 0.000 claims abstract description 5
- 230000000996 additive effect Effects 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 4
- 239000011819 refractory material Substances 0.000 claims abstract description 4
- 239000011230 binding agent Substances 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 abstract description 15
- 238000007254 oxidation reaction Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 9
- 230000007423 decrease Effects 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract description 3
- 150000002989 phenols Chemical class 0.000 abstract description 3
- 230000035882 stress Effects 0.000 abstract description 3
- 230000003628 erosive effect Effects 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000004901 spalling Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 229910052839 forsterite Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 208000018459 dissociative disease Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000013003 hot bending Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- C04B35/05—Refractories by fusion casting
-
- 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
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/522—Graphite
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63472—Condensation polymers of aldehydes or ketones
- C04B35/63476—Phenol-formaldehyde condensation polymers
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/40—Metallic constituents or additives not added as binding phase
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Description
구 분 | 실시예 | 비교예 | |||||||
1 | 2 | 3 | 4 | 5 | 6 | A | B | ||
원료구성 | 마그네시아(5mm이상)인상흑연(100mesh) | 8015 | 8015 | 8020 | 8020 | 8020 | 8020 | 8015 | 8020 |
지르콘Ca-Si합금Al(200mesh이상)Mg-Al(100mesh이상) | 2-22 | -4-2 | 1-22 | 3-22 | 4122 | -32- | --22 | --22 | |
품질특성 | 부피비중겉보기 기공율(%)압축강도(kg/cm^2) | 2.922.4386 | 2.912.3384 | 2.892.4380 | 2.882.5360 | 2.862.6325 | 2.892.1374 | 2.932.1364 | 2.892.1355 |
곡강도(kg/cm^2)-1400℃ | 125 | 120 | 123 | 120 | 118 | 112 | 128 | 124 | |
산화감량(%) *1 | 9.5 | 10.1 | 13.1 | 10.4 | 9.7 | 13.5 | 10.8 | 13.2 | |
탄성율(GPa)-1400℃ *2 | 34.5 | 33.7 | 33.1 | 32.5 | 31.7 | 32.4 | 38.6 | 36.9 | |
내식성 침식지수 *3 | 99 | 101 | 90 | 93 | 97 | 98 | 105 | 100 | |
내스폴링성 박리회수 *4균열정도 | 12중 | 13중 | 13소 | 14소 | 14소 | 14소 | 8소 | 11소 |
Claims (1)
- 마그네시아 내화재 75~95중량% 및 흑연 5~25중량%로 이루어지는 원료 100중량%에 대하여, 지르콘(ZrO2·SiO2) 및 Ca-Si합금중 선택된 1종 이상으로 이루어지는 첨가물 1~5중량%와, 산화방지제로서 금속 Al, Mg-Al이 단독 또는 복합으로 1~6중량% 혼합된 배합물에 폐놀계 화합물 결합제 5중량%를 첨가하여 이루어지는 것을 특징으로 하는 고열응력 저항성용 마그네시아-카본질 벽돌.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990065761A KR100331462B1 (ko) | 1999-12-30 | 1999-12-30 | 고열응력 저항성용 마그네시아-카본질 벽돌 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019990065761A KR100331462B1 (ko) | 1999-12-30 | 1999-12-30 | 고열응력 저항성용 마그네시아-카본질 벽돌 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010065814A KR20010065814A (ko) | 2001-07-11 |
KR100331462B1 true KR100331462B1 (ko) | 2002-04-09 |
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KR1019990065761A KR100331462B1 (ko) | 1999-12-30 | 1999-12-30 | 고열응력 저항성용 마그네시아-카본질 벽돌 |
Country Status (1)
Country | Link |
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KR (1) | KR100331462B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100490984B1 (ko) * | 2000-11-22 | 2005-05-24 | 조선내화 주식회사 | 연속주조용 흑연질 내화물과 그에 도포되는 산화방지제 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR860001649A (ko) * | 1984-07-16 | 1986-03-20 | 사바 쇼오이찌 | 차량용 확성전화장치 |
JPS61232264A (ja) * | 1985-04-03 | 1986-10-16 | 新日本製鐵株式会社 | マグネシア・カ−ボンれんが |
US5369066A (en) * | 1991-09-18 | 1994-11-29 | Krosaki Corporation | Refractory material and product thereof containing low-silica electrofused magnesia clinker |
JPH08259311A (ja) * | 1995-03-28 | 1996-10-08 | Nippon Steel Corp | マグネシア−カーボン質耐火れんがの製造方法 |
JPH0959071A (ja) * | 1995-08-24 | 1997-03-04 | Kawasaki Steel Corp | 黒鉛含有不定形耐火物 |
-
1999
- 1999-12-30 KR KR1019990065761A patent/KR100331462B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR860001649A (ko) * | 1984-07-16 | 1986-03-20 | 사바 쇼오이찌 | 차량용 확성전화장치 |
JPS61232264A (ja) * | 1985-04-03 | 1986-10-16 | 新日本製鐵株式会社 | マグネシア・カ−ボンれんが |
US5369066A (en) * | 1991-09-18 | 1994-11-29 | Krosaki Corporation | Refractory material and product thereof containing low-silica electrofused magnesia clinker |
JPH08259311A (ja) * | 1995-03-28 | 1996-10-08 | Nippon Steel Corp | マグネシア−カーボン質耐火れんがの製造方法 |
JPH0959071A (ja) * | 1995-08-24 | 1997-03-04 | Kawasaki Steel Corp | 黒鉛含有不定形耐火物 |
Also Published As
Publication number | Publication date |
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KR20010065814A (ko) | 2001-07-11 |
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