KR100349167B1 - 내수화성이 우수한 돌로마이트 내화재료의 제조방법 - Google Patents
내수화성이 우수한 돌로마이트 내화재료의 제조방법 Download PDFInfo
- Publication number
- KR100349167B1 KR100349167B1 KR1019970060759A KR19970060759A KR100349167B1 KR 100349167 B1 KR100349167 B1 KR 100349167B1 KR 1019970060759 A KR1019970060759 A KR 1019970060759A KR 19970060759 A KR19970060759 A KR 19970060759A KR 100349167 B1 KR100349167 B1 KR 100349167B1
- Authority
- KR
- South Korea
- Prior art keywords
- dolomite
- slurry
- hydration
- refractory material
- clinker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000514 dolomite Inorganic materials 0.000 title claims abstract description 36
- 239000010459 dolomite Substances 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000011819 refractory material Substances 0.000 title claims description 20
- 238000006703 hydration reaction Methods 0.000 title abstract description 9
- 239000002002 slurry Substances 0.000 claims abstract description 23
- 229910007567 Zn-Ni Inorganic materials 0.000 claims abstract description 7
- 229910007614 Zn—Ni Inorganic materials 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000010304 firing Methods 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 230000036571 hydration Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000001354 calcination Methods 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 16
- 230000003628 erosive effect Effects 0.000 description 11
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 8
- 239000000292 calcium oxide Substances 0.000 description 8
- 235000012255 calcium oxide Nutrition 0.000 description 8
- 239000000395 magnesium oxide Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000002699 waste material Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 150000002506 iron compounds Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910018605 Ni—Zn Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- -1 by weight percent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012261 overproduction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 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
- C04B35/66—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
- 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
- C04B35/06—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 oxide mixtures derived from dolomite
-
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
- C04B2235/3274—Ferrites
-
- 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
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Description
발 명 예 | 비 교 예 | |||||
1 | 2 | 3 | 1 | 2 | 3 | |
페라이트제조시 발생하는 슬러리 첨가량 (외삽, 중량%) | 5 | 10 | 15 | 4 | 20 | 0 |
기공율(%) | 3.2 | 1.23 | 0.12 | 5.9 | 0.01 | 16.2 |
밀도(g/㎤) | 3.28 | 3.34 | 3.40 | 3.20 | 3.43 | 3.18 |
침식지수 | 0.40 | 0.45 | 0.60 | 1.04 | 1.42 | 1.00 |
수화에 의한 중량 증가율(%) | 0.01 | 0 | 0 | 1.20 | 0 | 2.84 |
침적에 의한 내수화성(%) | 양호 | 양호 | 양호 | 균열발생 | 양호 | 분화 |
돌로마이트 내화재료 | 마그네시아 | 알루미나 시멘트 | 초미분 실리카 | 시편의 상태 | ||
슬러리 함유량 | 첨가량 | |||||
발명예 a | 5 | 50 | 45 | 2 | 3 | 양호 |
발명예 b | 10 | 50 | 45 | 2 | 3 | 양호 |
발명예 c | 15 | 50 | 45 | 2 | 3 | 양호 |
비교예 | 0 | 50 | 45 | 2 | 3 | 균열발생 |
Claims (1)
- 돌로마이트 내화재료를 제조하는 방법에 있어서,중량%로, Fe2O3:65%이상과 0∠Mn-Zn-Ni성분≤40%를 포함하여 이루어진 페라이트 슬러리를 돌로마이트 클링커에, 상기 돌로마이트 클링커중의 CaO함량 대비 5-15중량%의 함량으로 첨가하여 혼합한 후, 성형 및 소성하는 것을 특징으로 하는 내수화성이 우수한 돌로마이트 내화재료의 제조방법
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970060759A KR100349167B1 (ko) | 1997-11-18 | 1997-11-18 | 내수화성이 우수한 돌로마이트 내화재료의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970060759A KR100349167B1 (ko) | 1997-11-18 | 1997-11-18 | 내수화성이 우수한 돌로마이트 내화재료의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990040399A KR19990040399A (ko) | 1999-06-05 |
KR100349167B1 true KR100349167B1 (ko) | 2002-10-18 |
Family
ID=37488957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970060759A Expired - Fee Related KR100349167B1 (ko) | 1997-11-18 | 1997-11-18 | 내수화성이 우수한 돌로마이트 내화재료의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100349167B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101402774B1 (ko) | 2012-12-21 | 2014-06-02 | (주)포스코켐텍 | 소화된 내화물을 이용한 내화물 원료의 제조방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4394454A (en) * | 1981-05-09 | 1983-07-19 | Dolomitwerke Gmbh | Method for making sintered dolomite with a low porosity and a good hydration stability |
JPH04139057A (ja) * | 1990-09-28 | 1992-05-13 | Kawasaki Refract Co Ltd | 耐摩耗性耐火物 |
JPH05186275A (ja) * | 1992-01-13 | 1993-07-27 | Kurosaki Refract Co Ltd | 塩基性不定形耐火物 |
-
1997
- 1997-11-18 KR KR1019970060759A patent/KR100349167B1/ko not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4394454A (en) * | 1981-05-09 | 1983-07-19 | Dolomitwerke Gmbh | Method for making sintered dolomite with a low porosity and a good hydration stability |
JPH04139057A (ja) * | 1990-09-28 | 1992-05-13 | Kawasaki Refract Co Ltd | 耐摩耗性耐火物 |
JPH05186275A (ja) * | 1992-01-13 | 1993-07-27 | Kurosaki Refract Co Ltd | 塩基性不定形耐火物 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101402774B1 (ko) | 2012-12-21 | 2014-06-02 | (주)포스코켐텍 | 소화된 내화물을 이용한 내화물 원료의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR19990040399A (ko) | 1999-06-05 |
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