KR930021567A - 벽돌 원료로서의 전기 아크로 분진 - Google Patents

벽돌 원료로서의 전기 아크로 분진 Download PDF

Info

Publication number
KR930021567A
KR930021567A KR1019930005990A KR930005990A KR930021567A KR 930021567 A KR930021567 A KR 930021567A KR 1019930005990 A KR1019930005990 A KR 1019930005990A KR 930005990 A KR930005990 A KR 930005990A KR 930021567 A KR930021567 A KR 930021567A
Authority
KR
South Korea
Prior art keywords
dust
electric arc
brick
arc furnace
weight
Prior art date
Application number
KR1019930005990A
Other languages
English (en)
Other versions
KR100223719B1 (ko
Inventor
더블유. 프레임 스코트
Original Assignee
더블유. 프레임 스코트
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 더블유. 프레임 스코트 filed Critical 더블유. 프레임 스코트
Publication of KR930021567A publication Critical patent/KR930021567A/ko
Application granted granted Critical
Publication of KR100223719B1 publication Critical patent/KR100223719B1/ko

Links

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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • 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
    • C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
    • C04B18/08—Flue dust, i.e. fly ash
    • 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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1325—Hazardous waste other than combustion residues
    • C04B33/1327—Hazardous waste other than combustion residues containing heavy metals
    • 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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/138—Waste materials; Refuse; Residues from metallurgical processes, e.g. slag, furnace dust, galvanic waste
    • 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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/14—Colouring matters
    • 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
    • C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
    • C04B35/62209—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse using woody material, remaining in the ceramic products
    • 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
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/6265—Thermal treatment of powders or mixtures thereof other than sintering involving reduction or oxidation
    • 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
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/62675—Thermal treatment of powders or mixtures thereof other than sintering characterised by the treatment temperature
    • 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
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62685—Treating the starting powders individually or as mixtures characterised by the order of addition of constituents or additives
    • 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
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
    • 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
    • C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
    • 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
    • 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
    • C04B2235/3284—Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates or oxide forming salts thereof
    • 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
    • C04B2235/3296—Lead oxides, plumbates or oxide forming salts thereof, e.g. silver plumbate
    • 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
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422—Carbon
    • 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
    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/444—Halide containing anions, e.g. bromide, iodate, chlorite
    • 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
    • C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
    • 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
    • C04B2235/74—Physical characteristics
    • C04B2235/77—Density
    • 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
    • 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
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

벽돌 제조 공정에는 전기 아크로 분진을 소성한 다음 이 분진을 벽돌 원료와 혼합하고 이어서 이 혼합물을 벽돌로 성형하고 굽는 단계가 포함된다. EAF 분진을 미리 소성시키면 미리 소성시키지 않은 분진 자체를 통합시킨 벽돌과 비교할때 분진의 체적 밀도가 상당히 증가하고 훨씬 높은 압축강도를 갖는 벽돌을 제공하게 된다. 소성 공정시 생성된 휘발성의 재응축 중금속을 수집하고 정제한다. 소성 공정시 휘발성 중금속을 분리 및 수집한 결과 벽돌을 굽는 과정에서 실질적으로 중금속이 휘발되지 않는다.

Description

벽돌 원료로서의 전기 아크로 분진
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 벽돌 제조를 위한 본 발명의 구체예에 따른 공정을 나타내는 플로우 다이아그램.
제2도는 소정시 EAF분진 시료의 온도에 따른 중량% 변화를 나타내는 그래프.

Claims (25)

  1. 전기 아크로 분진을 약 1040℃이상의 온도까지 가열하여 분진의 체적 밀도를 실질적으로 증가시키고 소정전기 아크로 분진을 형성시키는 전기 아크로 분진의 소정 단계와 상기 소성분진을 벽돌원료와 혼합하여 상기 소성분진이 약 60중량%까지 존재하는 혼합물을 형성하는 혼합단계 및 이 혼합물을 벽돌로 성형하고 이 성형 벽돌을 약 900-1370℃의 온도에서 굽는 단계로 이루어진 제철공정에서 작은 조각을 용해시키기 위해 적용되는 전기 아크로에서 생성된 전기 아크로 분진이 함유된 벽돌을 제조하는 방법.
  2. 제1항에 있어서, 상기 혼합물에는 소성 분진이 약 20-60중량% 함유됨을 특징으로 하는 방법.
  3. 제1항에 있어서, 상기 전기 아크로 분진은 1260℃ 까지의 온도에서 소성됨을 특징으로 하는 방법.
  4. 제1항에 있어서, 상기 전기 아크로 분진은 약 1120℃ 이상의 온도에서 소성됨을 특징으로 하는 방법.
  5. 제1항에 있어서, 상기 전기 아크로 분진은 약 1175-1205℃의 온도에서 소성됨을 특징으로 하는 방법.
  6. 제1항에 있어서, 상기 분진을 소성시키기 전에 적어도 하나의 환원제를 상기 전기아크로 분진의 전체 중량을 기준으로 하여 약 20중량%까지 상기 전기 아크로 분진에 첨가하는 부가적인 단계를 포함시키는 것을 특징으로 하는 방법.
  7. 제6항에 있어서, 환원제는 석탄과 코크, 톱밥, 폐유 및 작은 조각의 전선 절연체로 이루어진 군중에서 선택되는 적어도 하나임을 특징으로 하는 방법.
  8. 제6항에 있어서, 환원제는 상기 분진을 소성하기 전에 석탄을 전기 아크로 분진을 기준으로 하여 약 1중량%로 첨가됨을 특징으로 하는 방법.
  9. 제1항에 있어서, 상기 분진을 소성하기 전에 적어도 하나의 할로겐을 상기 전기 아크로 분진의 전체 중량을 기준으로 하여 약 6중량%까지 상기 전기 아크로 분진에 첨가시키는 부가적인 단계가 포함됨을 특징으로 하는 방법.
  10. 제9항에 있어서, 할로겐은 염소임을 특징으로 하는 방법.
  11. 제9항에 있어서, 할로겐은 전기 아크로 분진의 양을 기준으로 하여 약 2중량%의 염소인 것을 특징으로 하는 방법.
  12. 제1항에 있어서, 소성된 전기 아크로 분진의 체적 밀도는 적어도 129.3 1b/ft3임을 특징으로 하는 방법.
  13. 제1항에 있어서, 소성된 전기 아크로 분진의 체적 밀도는 적어도 139.5 1b/ft3임을 특징으로 하는 방법.
  14. 제1항에 있어서, 상기 소성 전기 아크로 분진의 체적 밀도는 소성전의 분진의 체적 밀도보다 적어도 4배 더 큼을 특징으로 하는 방법.
  15. 제1항에 있어서, 벽돌은 약 980-1100℃의 온도에서 소성시키는 것을 특징으로 하는 방법.
  16. 제1항에 있어서, 분진은 적어도 0.5시간 소성시키는 것을 특징으로 하는 방법.
  17. 제1항에 있어서, 블럭은 적어도 8시간 동안 소성시키는 것을 특징으로 하는 방법.
  18. 제1항에 있어서, 실질적으로 어떠한 가스 제거 단계가 없는 부가적인 가열 요건을 위해 가열된 가스를 재순환시키는 단계가 더욱 포함되어 가열단계시 분진을 가열하는 기체가 분진과 접촉되지 않는 것을 특징으로 하는 방법.
  19. 전기 아크로 분진을 약 1040℃ 이상의 온도에서 미리 소성시키고 체적 밀도가 적어도 약 129.3 1b/ft3인 것을 특징으로 하는 벽돌 원료 40-80중량%와 전기 아크로 분진 20-60중량%로 이루어진 벽돌.
  20. 제19항에 있어서, 상기 전기 아크로 분진은 소성전의 분진의 체적 밀도보다 적어도 4배 이상인 체적 밀도를 가짐을 특징으로 하는 벽돌.
  21. 제19항에 있어서, 적어도 하나의 할로겐이 미량으로 더욱 포함됨을 특징으로 하는 벽돌.
  22. 제19항에 있어서, 적어도 1500psi의 압축강도를 가짐을 특징으로 하는 벽돌.
  23. 제19항에 있어서, 약 0.2mg/L 이하의 용해율을 가짐을 특징으로 하는 벽돌.
  24. 제23항에 있어서, 적어도 1500psi의 압축강도를 가짐을 특징으로 하는 벽돌.
  25. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930005990A 1992-04-10 1993-04-09 벽돌 원료로서의 전기 아크로 분진 KR100223719B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7/866,364 1992-04-10
US07/866,364 1992-04-10
US07/866,364 US5278111A (en) 1992-04-10 1992-04-10 Electric arc furnace dust as raw material for brick

Publications (2)

Publication Number Publication Date
KR930021567A true KR930021567A (ko) 1993-11-22
KR100223719B1 KR100223719B1 (ko) 1999-10-15

Family

ID=25347450

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930005990A KR100223719B1 (ko) 1992-04-10 1993-04-09 벽돌 원료로서의 전기 아크로 분진

Country Status (8)

Country Link
US (1) US5278111A (ko)
JP (1) JP3405758B2 (ko)
KR (1) KR100223719B1 (ko)
BR (1) BR9301502A (ko)
CA (1) CA2093615C (ko)
DE (1) DE4311545B4 (ko)
FR (1) FR2689881B1 (ko)
GB (1) GB2265897B (ko)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2137090A1 (en) * 1994-12-01 1996-06-02 Jay Aota Eaf dust treatment
FR2737503B1 (fr) * 1995-08-04 1997-10-10 Wheelabrator Allevard Procede de preparation de pigments mineraux, pigments mineraux ainsi obtenus, et installation pour la mise en oeuvre d'un tel procede
DE19629099A1 (de) * 1996-06-25 1998-01-02 Anton Grehl Verfahren zur Herstellung eines keramischen Formkörpers
KR970026982A (ko) * 1996-07-26 1997-06-24 김회수 적벽돌 및 그 제조방법
US5779949A (en) * 1996-08-14 1998-07-14 Indiana University Foundation Conversion of lead-contaminated soil into ceramic products
JP3504818B2 (ja) 1997-02-28 2004-03-08 矢崎総業株式会社 データ通信方法、及びこの方法を用いたデータ通信システム
JP3220049B2 (ja) 1997-05-27 2001-10-22 矢崎総業株式会社 通信方法、及び通信システム
US5853474A (en) * 1997-06-02 1998-12-29 Conversion Systems, Inc. Use of stabilized EAFD as a raw material in the production of a portland cement clinker
KR19990007639A (ko) * 1998-10-15 1999-01-25 이기강 고상폐기물을 원료로 하는 세라믹 조성물 및 이의 제조방법
US6682586B2 (en) 2001-10-09 2004-01-27 Heritage Environmental Services, Llc. Assemblies and methods for processing zinc-bearing materials
US20030110992A1 (en) 2001-12-13 2003-06-19 Pavlik Robert S. Alumina refractories and methods of treatment
JP2005239473A (ja) * 2004-02-25 2005-09-08 Koyo Seiko Co Ltd 窯業製品用の呈色剤及びこれを用いた発色粘土
US7648933B2 (en) * 2006-01-13 2010-01-19 Dynamic Abrasives Llc Composition comprising spinel crystals, glass, and calcium iron silicate
US9278888B1 (en) 2012-11-01 2016-03-08 Saudi Basic Industries Corporation Use of non-chloride cement accelerator and electric arc furnace dust in cement
RU2655323C1 (ru) * 2017-05-29 2018-05-25 федеральное государственное автономное образовательное учреждение высшего образования "Самарский национальный исследовательский университет имени академика С.П. Королёва" Керамическая композиция для изготовления легковесного кирпича
CN113621797A (zh) * 2021-08-18 2021-11-09 江西金洋金属股份有限公司 一种脱硫铅膏砖及其制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2400037A1 (de) * 1974-01-02 1975-07-10 Andreas Haessler Verfahren zur herstellung von leichtziegeln
DE2611213C3 (de) * 1976-03-17 1979-11-08 Steag Ag, 4300 Essen Verfahren und Anlage zur Herstellung von Ziegeln, insbesondere von Klinkern aus einer Mischung, in die ein aus insbesondere Steinkohlenkraftwerken stammender Flugstaub eingesetzt wird
US4047884A (en) * 1976-04-05 1977-09-13 Allis-Chalmers Corporation Means and method for processing cement raw materials containing fuel of high volatile content
US4130439A (en) * 1977-02-24 1978-12-19 Gashenko Stanislav I Method of preparing batch for manufacture of clay brick
JPS53127511A (en) * 1977-04-14 1978-11-07 Daido Steel Co Ltd Process for making colored ceramics
SU753828A1 (ru) * 1978-07-24 1980-08-07 Государственный Всесоюзный Научно- Исследовательский Институт Строительных Материалов И Конструкций Им. П.П. Будникова Керамическа масса
JPS582264A (ja) * 1981-06-27 1983-01-07 東京鉄鋼株式会社 製鋼ダストの処理方法
DE3414399A1 (de) * 1984-04-17 1985-10-24 Georg Dr.phil.nat. Dipl.-Chem. 4620 Castrop-Rauxel Fritsch Verfahren zur entsorgung metallurgischer industrien von eisenhaltigen, staub- oder schlammfoermigen abgaengen, z.b. von filterstaeuben
NL8403501A (nl) * 1984-11-15 1986-06-02 Pelt & Hooykaas Werkwijze voor het omzetten in onschadelijke vorm van bij chemische of fysische werkwijzen vrijkomende deeltjes door mengen met een gesmolten silicaathoudend materiaal alsmede gevormd materiaal.
DD244547A1 (de) * 1985-12-20 1987-04-08 Florin Stahl Walzwerk Keramisches material
DE3713482A1 (de) * 1987-04-22 1988-11-10 Kurt Kretschmann Verfahren zur umweltschonenden entsorgung von schwermetallhaltigen rueckstaenden aus muellverbrennungsanlagen oder dergleichen
DE3716484A1 (de) * 1987-05-16 1988-11-24 Georg Dipl Chem Dr Phi Fritsch Verfahren zur herstellung eines lagerfaehigen, insbesondere eines deponiefaehigen erzeugnisses aus einem eisenhaltigen, feinkoernigen abgang enthaltend freies sechswertiges chrom, beispielsweise filterstaub der elektrostahlherstellung
ZA883753B (en) * 1987-06-18 1989-03-29 Bethlehem Steel Corp Process for chemical stabilization of heavy metal bearing dusts and sludge,such as eaf dust
IT1236816B (it) * 1989-11-22 1993-04-02 Contento Trade Sas Di C M P Procedimento per il recupero di rifiuti industriali.

Also Published As

Publication number Publication date
DE4311545B4 (de) 2004-12-09
CA2093615C (en) 2004-07-06
KR100223719B1 (ko) 1999-10-15
GB9307115D0 (en) 1993-05-26
GB2265897B (en) 1996-01-10
FR2689881B1 (fr) 1996-06-07
BR9301502A (pt) 1993-10-13
US5278111A (en) 1994-01-11
DE4311545A1 (de) 1993-10-14
FR2689881A1 (fr) 1993-10-15
JPH0648817A (ja) 1994-02-22
GB2265897A (en) 1993-10-13
JP3405758B2 (ja) 2003-05-12
CA2093615A1 (en) 1993-10-11

Similar Documents

Publication Publication Date Title
KR930021567A (ko) 벽돌 원료로서의 전기 아크로 분진
KR101717738B1 (ko) 저품위 동 슬러지로부터 조동 제조방법
SU664556A3 (ru) Шихта и способ дл изготовлени погружного стакана или стопора
US1479107A (en) Refractory composition
US2079066A (en) Process for the manufacture of chromium ore containing bricks
JP4427715B2 (ja) 耐火材及び耐火炉
BR0208171B1 (pt) método para produzir aglomerados auto-redutores para uso na produção de ferro e aparelho para produzir aglomerados auto-redutores tendo um ligante de cimento para uso na produção de ferro.
ES518069A0 (es) Procedimiento para fabricar ladrillos cocidos refractarios para barrido con gas, para la introduccion de gases o vaporesen masas metalicas de fusion.
US3210205A (en) Refractory bonded with pitch
JP2005089267A5 (ko)
KR100310050B1 (ko) 내화성 및 내식성 카본 벽돌의 제조방법
SU1479441A1 (ru) Огнеупорна масса дл изготовлени периклазоуглеродистых огнеупоров
SU1219660A1 (ru) Топливовосстановитель дл фьюминговани металлсодержащего сырь
KR920005409B1 (ko) 핏치류와 고로수쇄슬래그를 이용한 탄소/세라믹 복합재료 제조방법
RU2082688C1 (ru) Способ получения легкого заполнителя для бетона
JPH0469116B2 (ko)
JPH0765087B2 (ja) 高炉出銑孔の閉塞方法
SU1673568A1 (ru) Шихта дл изготовлени корундовых огнеупоров
AT111083B (de) Verfahren zur Herstellung hochfeuerfester Magnesitmassen.
SU1236281A1 (ru) Футеровка подины отражательной печи
US1166171A (en) Process for smelting metallic ores.
KR870002037A (ko) 용광로용 노상 보수재의 제조방법
US2617736A (en) Process for production of refractory siliceous material and products thereof or therewith obtained
SU885219A1 (ru) Шихта дл изготовлени огнеупоров
Scott Refractory materials for furnace linings

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20040709

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee