KR970021014A - Purification method and purified slag composition of crushed slag for glass production - Google Patents

Purification method and purified slag composition of crushed slag for glass production Download PDF

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Publication number
KR970021014A
KR970021014A KR1019950037260A KR19950037260A KR970021014A KR 970021014 A KR970021014 A KR 970021014A KR 1019950037260 A KR1019950037260 A KR 1019950037260A KR 19950037260 A KR19950037260 A KR 19950037260A KR 970021014 A KR970021014 A KR 970021014A
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South Korea
Prior art keywords
slag
weight
crushed
composition
content
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KR1019950037260A
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Korean (ko)
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KR0154312B1 (en
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변종오
양승원
천재광
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석강봉
주식회사 금 강
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Priority to KR1019950037260A priority Critical patent/KR0154312B1/en
Publication of KR970021014A publication Critical patent/KR970021014A/en
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Publication of KR0154312B1 publication Critical patent/KR0154312B1/en

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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
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Glass Compositions (AREA)

Abstract

본 발명은 본 발명은 제철소의 제선 공정에서 발생하는 수쇄슬래그를 유리 원료로 사용하기에 적합한 입도와 조성으로 정제하는 방법 및 정제된 슬래그 조성물에 관한 것으로, 수쇄슬래그를 야적 숙성화, 균질화시킨 다음, 분쇄 및 분급한 후 자력선 및 건식비중 선광에 의하여 정제시키며, 정제된 슬래그는 SiO232-36중량%, Al2O3가 12-14중량%, Fe203가 0.15-0.25중량%, CaO가 39.0-43.0중량%, MgO가 6.5-7.5중량%, Na2O가 0.39-0.41중량%, K2O가 0.39-0.41중량%, S03가 1.6-1.8중량%이고, 평균 입경이 0.2-0.3mm, 중광물 함량이 10ppm 이하인 것을 특징으로 한다.The present invention relates to a method for refining hydrolyzed slag generated in a steelmaking process of an ironworks to a particle size and composition suitable for use as a glass raw material, and to a purified slag composition. After grinding and classification, the mixture was refined by magnetic flux and dry specific gravity beneficiation, and the purified slag was 32-36 wt% SiO 2 , 12-14 wt% Al 2 O 3 , 0.15-0.25 wt% Fe 2 0 3 , CaO Is 39.0-43.0 wt%, MgO is 6.5-7.5 wt%, Na 2 O is 0.39-0.41 wt%, K 2 O is 0.39-0.41 wt%, S0 3 is 1.6-1.8 wt%, and the average particle diameter is 0.2- 0.3mm, the content of heavy minerals is characterized in that less than 10ppm.

Description

유리제조용 수쇄슬래그의 정제방법 및 정제슬래그 조성물Purification method and purified slag composition of crushed slag for glass production

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (6)

수쇄슬래그를 야적 숙성화하여 탈환시키고, 균질화시킨 다음, 분쇄 및 분급한 후 자력선에 의해 탈철시키고, 건식비중 선광에 의하여 중광물 함량을 줄임으로써 정재시키는 것을 특징으로 하는 수쇄슬래그의 정제방법.A method for purifying crushed slag, characterized in that the crushed slag is fertilized by fermentation, homogenized, pulverized and classified, and then removed by magnetic force, and refined by reducing the heavy mineral content by dry specific beneficiation. 제1항에 있어서, 수쇄슬래그는 제철소의 재선공정에서 발생되는 슬래그를 고압의 물로 급냉시킨 비정질이 95 퍼센트 이상인 것을 특징으로 하는 수쇄슬래그의 정제방법.The method for purifying crushed slag according to claim 1, wherein the crushed slag has an amorphous state of quenching the slag generated in the re-repairing process of the steel mill with high-pressure water of 95% or more. 제1항에 있어서 야적 숙성화 기간은 3개월 이상인 것을 특징으로 하는 수쇄슬래그의 정제방법.The method of claim 1, wherein the fermentation aging period is 3 months or more. 제1항에 있어서, 건식비중 선광에 의해 중광물 함량을 줄이는 과정은 풍속 1.0-2.Om/sec, 진동수 500-550rpm, 진폭 3-4mm, 전후각도 4-5°의 조건에서 행해짐을 특징으로 하는 쇄슬래그의 정제방법.The method of claim 1, wherein the process of reducing the heavy mineral content by dry specific beneficiation is performed under conditions of a wind speed of 1.0-2.Om/sec, a frequency of 500-550rpm, an amplitude of 3-4mm, and an angle of 4-5 °. Purification method of chain slag. 유리제조용 원료로 사용하는 슬래그 조성물에 있어서, SiO232-36중량%, Al2O3가 12-14중량%, Fe203가 0.15-0.25중량%, CaO가 39.0-43.0중량%, MgO가 6.5-7.5중량%, Na2O가 0.39-0.41중량%, K2O가 0.39-0.41중량%, S03가 1.6-1.8중량%로 이루어짐을 특징으로 하는 유리제조용 정제 슬래그 조성물.In the slag composition used for producing a glass material, SiO 2 32-36% by weight, Al 2 O 3 is 12-14% by weight, is 0.15-0.25% by weight of Fe 2 0 3, CaO is 39.0-43.0% by weight of MgO It is 6.5-7.5% by weight, 0.39-0.41% by weight Na 2 O, 0.39-0.41% by weight K 2 O, 1.6-1.8% by weight S0 3 The tablet slag composition for glass manufacturing. 제5항에 있어서, 정제 슬래그는 평균 입경이 0.2-0.3mm, S03함량이 1.6-1.8중량%, 철분 함량이 0.25중량% 이하, 중광물 함량이 10ppm 이하인 것을 특징으로 하는 유리제조용 정제 슬래그 조성물.According to claim 5, Tablet slag has an average particle diameter of 0.2-0.3mm, S0 3 content of 1.6-1.8% by weight, iron content of 0.25% by weight or less, heavy mineral content of the tablet slag composition for producing less than 10ppm. . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950037260A 1995-10-26 1995-10-26 Refined process for slag KR0154312B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950037260A KR0154312B1 (en) 1995-10-26 1995-10-26 Refined process for slag

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Application Number Priority Date Filing Date Title
KR1019950037260A KR0154312B1 (en) 1995-10-26 1995-10-26 Refined process for slag

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KR970021014A true KR970021014A (en) 1997-05-28
KR0154312B1 KR0154312B1 (en) 1998-11-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101138061B1 (en) * 2008-12-29 2012-04-23 주식회사 포스코 A cement compound material using pretreated slag and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101138061B1 (en) * 2008-12-29 2012-04-23 주식회사 포스코 A cement compound material using pretreated slag and manufacturing method thereof

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KR0154312B1 (en) 1998-11-16

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