KR102482872B1 - 초기강도가 향상된 고로슬래그 시멘트 조성물 - Google Patents
초기강도가 향상된 고로슬래그 시멘트 조성물 Download PDFInfo
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- KR102482872B1 KR102482872B1 KR1020200107998A KR20200107998A KR102482872B1 KR 102482872 B1 KR102482872 B1 KR 102482872B1 KR 1020200107998 A KR1020200107998 A KR 1020200107998A KR 20200107998 A KR20200107998 A KR 20200107998A KR 102482872 B1 KR102482872 B1 KR 102482872B1
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- blast furnace
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- cement
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- 239000002893 slag Substances 0.000 title claims abstract description 60
- 239000004568 cement Substances 0.000 title claims abstract description 55
- 239000003795 chemical substances by application Substances 0.000 title description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims abstract description 40
- 239000000843 powder Substances 0.000 claims abstract description 36
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 35
- 230000023556 desulfurization Effects 0.000 claims abstract description 35
- 239000000203 mixture Substances 0.000 claims abstract description 24
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims abstract description 20
- 235000017557 sodium bicarbonate Nutrition 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 16
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 28
- 239000003513 alkali Substances 0.000 claims description 15
- 239000010440 gypsum Substances 0.000 claims description 15
- 229910052602 gypsum Inorganic materials 0.000 claims description 15
- 239000000292 calcium oxide Substances 0.000 claims description 14
- 235000012255 calcium oxide Nutrition 0.000 claims description 14
- 239000000571 coke Substances 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 11
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 8
- 239000000920 calcium hydroxide Substances 0.000 claims description 7
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 7
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 7
- 239000003245 coal Substances 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 239000011593 sulfur Substances 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 239000010882 bottom ash Substances 0.000 claims description 4
- 239000010881 fly ash Substances 0.000 claims description 4
- 239000010459 dolomite Substances 0.000 claims description 3
- 229910000514 dolomite Inorganic materials 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 239000004449 solid propellant Substances 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 abstract description 6
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 20
- 238000000034 method Methods 0.000 description 13
- 229910052925 anhydrite Inorganic materials 0.000 description 12
- 239000011398 Portland cement Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 235000019738 Limestone Nutrition 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000006028 limestone Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 238000006703 hydration reaction Methods 0.000 description 5
- 239000002085 irritant Substances 0.000 description 5
- 231100000021 irritant Toxicity 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 230000036571 hydration Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 150000007514 bases Chemical class 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 229910001653 ettringite Inorganic materials 0.000 description 2
- 239000005431 greenhouse gas Substances 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- -1 Calcium Sulfur Aluminate Chemical class 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- BLBVLMPUSLFQNF-UHFFFAOYSA-N S.P(O)(O)(O)=O Chemical compound S.P(O)(O)(O)=O BLBVLMPUSLFQNF-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- AZTGOPSQAGBNFT-UHFFFAOYSA-L calcium;sodium;sulfate Chemical compound [Na+].[Ca+2].[O-]S([O-])(=O)=O AZTGOPSQAGBNFT-UHFFFAOYSA-L 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000010344 co-firing Methods 0.000 description 1
- 239000010849 combustible waste Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 239000011396 hydraulic cement Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000000021 stimulant Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical group S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 230000002087 whitening effect Effects 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
- C04B7/00—Hydraulic cements
- C04B7/14—Cements containing slag
- C04B7/147—Metallurgical slag
- C04B7/153—Mixtures thereof with other inorganic cementitious materials or other activators
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/14—Cements containing slag
- C04B7/147—Metallurgical slag
- C04B7/153—Mixtures thereof with other inorganic cementitious materials or other activators
- C04B7/17—Mixtures thereof with other inorganic cementitious materials or other activators with calcium oxide containing activators
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/28—Cements from oil shales, residues or waste other than slag from combustion residues, e.g. ashes or slags from waste incineration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
본 발명에 의한 고로슬래그 시멘트 조성물은 1종 시멘트 100중량부에 대하여 고로슬래그 미분말 30∼300중량부, 중탄산나트륨 탈황 분진 2.5∼60중량부를 포함하는 것을 특징으로 한다.
Description
구분 | 조성성분(중량%) | 분말도 (cm2/g) |
|||||||
SiO2 | Al2O3 | CaO | Fe2O3 | MgO | Na2O | SO3 | LOI | ||
1종 시멘트 | 20.88 | 5.39 | 64.73 | 2.38 | 1.51 | 0.27 | 1.65 | 2.04 | 3,320 |
고로슬래그 미분말 | 34.76 | 14.50 | 41.71 | 0.48 | 6.87 | 0.14 | 0.13 | 0.23 | 4,420 |
천연 무수석고 | 1.34 | 0.12 | 40.97 | 0.04 | - | 0.06 | 54.93 | 0.81 | 4,310 |
중탄산나트륨 탈황 분진 |
0.12 | 0.03 | 4.87 | 0.04 | 0.12 | 43.31 | 44.67 | 6.81 | 5,270 |
페트로 코크스 탈황석고 | 1.91 | 0.91 | 63.9 | 0.61 | 3.86 | 0.03 | 25.6 | 3.15 | 3,150 |
석탄 연소 순환 유동층 보일러 바텀애시 | 14.34 | 4.98 | 35.89 | 7.62 | 5.91 | 0.12 | 29.68 | 1.22 | 2,830 |
공업용 소석회 | - | 0.19 | 65.88 | 0.12 | 1.03 | - | 1.13 | 31.51 | 5,400 |
구 분 | 1종 포틀랜드 시멘트 |
고로수쇄 슬래그 미분말 |
천연 무수석고 |
중탄산 나트륨 탈황 분진 |
페트로 코크스 탈황석고 |
석탄 연소 순환 유동층 보일러 바텀애시 |
공업용 소석회 |
비교예 1 | 100 | ||||||
비교예 2 | 50 | 47 | 3 | ||||
실시예 1 | 48 | 47 | 5 | ||||
실시예 2 | 48 | 47 | 3 | 2 | |||
실시예 3 | 48 | 47 | 3 | 2 | |||
실시예 4 | 48 | 47 | 3 | 2 |
구 분 | 재령별 압축강도(MPa) | ||
3일 | 7일 | 28일 | |
비교예 1 | 23.56 | 37.92 | 56.34 |
비교예 2 | 18.21 | 28.34 | 58.23 |
실시예 1 | 23.89 | 34.63 | 56.34 |
실시예 2 | 23.84 | 37.81 | 63.42 |
실시예 3 | 23.52 | 36.14 | 61.28 |
실시예 4 | 21.26 | 31.55 | 56.89 |
Claims (3)
고로슬래그 미분말 30∼300중량부와
중탄산나트륨 탈황분진 2.5∼60중량부를 포함하되,
상기 중탄산나트륨 탈황분진이 알카리(Na2O) 함량 43.31중량% 및 황성분(SO3) 함량이 44.67중량%의 조성성분을 포함한 것을 특징으로 하는 고로슬래그 시멘트 조성물.
상기 1종 시멘트 100중량부에 대하여,
CaO 함량이 15∼65중량%이고, SO3함량이 5∼35중량% 이상인 연소 잔재물 2.5∼60중량부를 더 포함하되,
상기 연소 잔재물이 페트로 코크스 탈황석고 또는
유동층 보일러에서 석탄, 고형연료 및 유기성 슬러지로 이루어진 군에서 선택된 단독 또는 그들의 혼합형태가 소각 및 연소된 플라이애시 또는 바텀애시 형태의 잔재물인 것을 특징으로 하는 고로슬래그 시멘트 조성물.
상기 1종 시멘트 100중량부에 대하여,
알칼리 자극제를 1.0∼20 중량부를 더 포함하며,
상기 알칼리 자극제는 생석회, 경소백운석 및 소석회 중에 선택된 어느 하나 또는 둘 이상의 혼합물인 것을 특징으로 하는 고로슬래그 시멘트 조성물.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102780210B1 (ko) | 2024-07-11 | 2025-03-12 | 현대제철 주식회사 | 중조탈황분진을 포함한 다성분계 혼합 시멘트 및 이를 이용한 콘크리트 제품 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100968073B1 (ko) * | 2008-06-30 | 2010-07-08 | 한국세라믹기술원 | 슬래그 시멘트 조성물 |
KR101312088B1 (ko) | 2011-08-24 | 2013-09-25 | 쌍용양회공업(주) | 초기 강도가 향상된 슬래그 시멘트 제조방법 |
KR101333084B1 (ko) | 2011-12-02 | 2013-11-28 | (주)네비엔 | 고로슬래그와 csa계 시멘트를 포함하는 조강시멘트 조성물 및 이를 포함하는 콘크리트 |
KR101303195B1 (ko) | 2012-01-27 | 2013-09-03 | 주식회사 인트켐 | 고로슬래그 시멘트의 물성개선용 알칼리 자극제, 그 자극제를 이용한 고로슬래그 시멘트 및 그 제조방법 |
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