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KR970074712A - Manufacture of low-temperature cement using industrial by-products - Google Patents

Manufacture of low-temperature cement using industrial by-products Download PDF

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Publication number
KR970074712A
KR970074712A KR1019960016637A KR19960016637A KR970074712A KR 970074712 A KR970074712 A KR 970074712A KR 1019960016637 A KR1019960016637 A KR 1019960016637A KR 19960016637 A KR19960016637 A KR 19960016637A KR 970074712 A KR970074712 A KR 970074712A
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KR
South Korea
Prior art keywords
lime
cement
low
temperature
clinker
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KR1019960016637A
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Korean (ko)
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KR0160085B1 (en
Inventor
박종옥
김무경
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장기중
요업기술원
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Priority to KR1019960016637A priority Critical patent/KR0160085B1/en
Publication of KR970074712A publication Critical patent/KR970074712A/en
Application granted granted Critical
Publication of KR0160085B1 publication Critical patent/KR0160085B1/en
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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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/14—Waste materials; Refuse from metallurgical processes
    • 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
    • C04B7/02—Portland cement
    • C04B7/04—Portland cement using raw materials containing gypsum, i.e. processes of the Mueller-Kuehne type
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

저열형 시멘트란 초기 수화반응이 포틀랜드시멘트보다 약간 늦고 장기강도가 포틀랜드시멘트와 비슷하여 대괴 콘크리트, 댐, 대 교량공사, 거대구조물의 기초공사 등에 사용되고 있는 시멘트이다. 일반적으로 저열형 시멘트는 고품위 석회석, 철광석, 점토, 규석등을 사용하여 1450°에서 시멘트 클링커를 만든 다음 이를 분쇄한 분말에 고로 슬래그를 별도로분쇄 하여 40∼60중량부 혼합하여 제조하는 시멘트이다. 이 시멘트의 구성광물은 규산삼석회, 규산이석회, 알루민산철사석회, 알루민산섬회 등이 포함되어 있으며 고로 슬래그 때문에 초기 수화반응이 늦고 초기강도가 낮으며 장기강도는 높게 된다. 이 시멘트는 고온에서 합성한 클링커의 분말을 사용하므로 많은 에너지 소모와 탄산가스의 배출량이 많고 또한 주원료인 고품위 석회석이 감소되어 가고 있는 문제점이 있다. 이러한 문제를 해결하기 위하여 본 발명은 산업부산물로서 한번 용융된 전로슬래그와 플라이애쉬 및 화학석고와저품위 석회석을 활용하여 일반포틀랜드 시멘트의 클링커 합성온도 보다 낮은 온도인1280°에서 클링커를 제조한 다음 이를 분쇄하여 저열형 시멘트를 만들었다. 이시멘트의 구성광물로는 규산이석회, 삼알루민산황사석회, 알루민산철사석회, 황석회를 함유하고 있도록 하였고, 삼알루민산황사석회와 황석회에 의해서 초기 수화 반응이 빠르므로 초기강도가 높고, 규산이석회의 장기강도 발현으로 포틀랜드 시멘트와 물리성능이 비슷한 시멘트를 제조한 것이다, 따라서 에너지의 소비를 줄이고 대기중의 탄산가스 배출량을 줄일 수 있으며 고품위 석회석의 감소에 의한 문제점을 해결할 수 있다.Low-temperature cement is a cement that is used for foundation concrete, dams, large-bridge construction, and large-scale foundation work because initial hydration reaction is slightly later than portland cement and long-term strength is similar to portland cement. In general, low-temperature cement is produced by mixing cement clinker at 1450 ° with high-grade limestone, iron ore, clay, and silica, and then pulverizing the blasted powder to blast the blast furnace slag and mixing 40-60 parts by weight. The constituent minerals of this cement include quartz ginseng lime, silicate lime, an aluminate wire lime, aluminic acid lime, etc. Because of blast furnace slag, initial hydration reaction is slow, initial strength is low, and long term strength is high. This cement uses a powder of clinker synthesized at high temperature, so there is a problem that a lot of energy consumption, carbon dioxide emission is large, and high-quality limestone as a main raw material is reduced. In order to solve such problems, the present invention utilizes converter slag, fly ash, chemical gypsum and low-grade limestone which are once melted as industrial by-products to produce clinker at a temperature lower than the clinker synthesis temperature of common portland cement at 1280 °, To produce low - temperature cement. As the constituent minerals of this cement, lime, lime lime lime, alumina wire lime, and lime lime were contained in lime, lime lime, and lime lime. , And siliceous lime produced a cement similar in physical performance to portland cement due to the long-term strength development, thus reducing energy consumption, reducing carbon dioxide emissions in the atmosphere, and solving problems caused by the reduction of high-grade limestone.

Description

산업 부산물을 이용한 저열형 시멘트 제조Manufacture of low-temperature cement using industrial by-products

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

Claims (3)

산업 부산물인 전로슬래그 21∼26중량부, 플라이 애쉬3∼14중량부, 화학석고 14∼24중량부와 저품위 석회석42∼58중량부를 사용하여서 저열형 시멘트를 제조하는 방법.A method for producing a low-temperature type cement by using 21 to 26 parts by weight of converter slag, 3 to 14 parts by weight of fly ash, 14 to 24 parts by weight of chemical plaster, and 42 to 58 parts by weight of low-grade limestone. 저열형 시멘트를 물리 성능을 변화시키기 위해서 제1항의 중량부를 조절하여 포틀랜드시멘트와 비슷한 물리성능을 갖는 시멘트를 제조하는 방법.A method for manufacturing a cement having physical properties similar to Portland cement by controlling the weight of the cement according to claim 1 in order to change the physical performance of the low-temperature cement. 제1항및 제2항의 플라이애쉬 대신에 레드머드를 일부교체시켜 같은 물리 성능을 가진 저열형 시멘트를 제조하는 방법.A method of manufacturing a low thermal cement having the same physical performance by partially replacing the red mud in place of the fly ash of claims 1 and 2. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960016637A 1996-05-17 1996-05-17 Low heat building cement composition Expired - Lifetime KR0160085B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960016637A KR0160085B1 (en) 1996-05-17 1996-05-17 Low heat building cement composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960016637A KR0160085B1 (en) 1996-05-17 1996-05-17 Low heat building cement composition

Publications (2)

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KR970074712A true KR970074712A (en) 1997-12-10
KR0160085B1 KR0160085B1 (en) 1998-11-16

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030008264A (en) * 2001-07-19 2003-01-25 대한시멘트 주식회사 Blast-furnace slag cement composition improved initial compression
KR100404337B1 (en) * 2000-12-20 2003-11-01 한일시멘트 (주) The method for manufacturing of active portland cement
KR100447739B1 (en) * 2001-12-11 2004-09-08 한국후라이애쉬시멘트공업(주) Concrete compositions using bottom ash and method of making
KR100509963B1 (en) * 2003-03-18 2005-08-24 한국후라이애쉬시멘트공업(주) Artificial Stone by Using of Bottom Ash and Method of making the Same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100379697B1 (en) * 2002-05-06 2003-04-08 Sang Gyun Oh Process for producing recycled cement
KR101111277B1 (en) * 2009-11-13 2012-03-13 한국지질자원연구원 Method for manufacturing portland cement using tailing of mineral dressing and portland cement manufactured with this
KR101991317B1 (en) * 2017-12-21 2019-06-20 한국해양대학교 산학협력단 cement clinker composition

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100404337B1 (en) * 2000-12-20 2003-11-01 한일시멘트 (주) The method for manufacturing of active portland cement
KR20030008264A (en) * 2001-07-19 2003-01-25 대한시멘트 주식회사 Blast-furnace slag cement composition improved initial compression
KR100447739B1 (en) * 2001-12-11 2004-09-08 한국후라이애쉬시멘트공업(주) Concrete compositions using bottom ash and method of making
KR100509963B1 (en) * 2003-03-18 2005-08-24 한국후라이애쉬시멘트공업(주) Artificial Stone by Using of Bottom Ash and Method of making the Same

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Publication number Publication date
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