KR0159863B1 - Dust briquette of recycling iron dust - Google Patents
Dust briquette of recycling iron dust Download PDFInfo
- Publication number
- KR0159863B1 KR0159863B1 KR1019950015260A KR19950015260A KR0159863B1 KR 0159863 B1 KR0159863 B1 KR 0159863B1 KR 1019950015260 A KR1019950015260 A KR 1019950015260A KR 19950015260 A KR19950015260 A KR 19950015260A KR 0159863 B1 KR0159863 B1 KR 0159863B1
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- Prior art keywords
- dust
- weight
- parts
- briquette
- molten iron
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
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- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
제철 더스트 80-90 중량부, 바람직하기로는 85 중량부, 당밀 2-10 중량부, 바람직하기로는 5 중량부, 시멘트 2-10 중량부, 바람직하기로는 5 중량부를 혼합하여 성형하는 제철 더스트 단광에 관한 것이며, 제철소의 전로 냉각재 및 용선원료로 재활용할 수 있다.80-90 parts by weight of steel dust, preferably 85 parts by weight, molasses 2-10 parts by weight, preferably 5 parts by weight, 2-10 parts by weight of cement, preferably 5 parts by weight of the mixed steel dust briquettes It can be recycled as converter coolant and molten iron of steel mill.
Description
본 발명은 제철소 더스트 재생 및 이용에 관한 것으로, 특히 제철소 자원 재활용 더스트 단광(Briguette)에 관한 것이다.BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to steel mill dust reclamation and use, and more particularly, to steel mill resource recycling dust briquettes.
본 발명은 제철소에서 발생되는 더스트(Dust), 슬러지 및 스레그 등을 미세 분말화하여 고형화(Briguetting)해서 얻어지는 제철 더스트(분진)단광에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to steelmaking dust (dust) briquettes obtained by finely powdering and solidifying dust, sludge, and slag generated in steel mills.
종래, 제철소 내의 큐플러로, 용선로, 전로 등에서 발생하는 분진 더스트, 슬러지 및 스레그는 폐기물로서 막대한 비용을 들여 폐기처리 하여야 하였으며, 여러가지 문제가 발생하였다.Conventionally, dust dust, sludge, and slag generated in a cupola furnace, a molten iron furnace, a converter, etc. in a steel mill had to be disposed of at a huge cost as waste, and various problems occurred.
본 발명은 이러한 문제점을 감안하여 폐기물 더스트 등을 재활용하여 제철원료 및 냉각재로 사용하는 것을 목적으로 한다.In view of these problems, an object of the present invention is to recycle waste dust or the like and to use it as a steelmaking raw material and a coolant.
즉, 제철소 내의 전로 공정중 용선에서 고철 등을 용선원료를 전로에 투입한 후 산소제트공기를 분사하면서 부원료 백운석, 생석회, 형성 등을 투입 취련을 하면 화점에서 산소의 공급에 의해 용탕의 교반과 탈탄 반응이 진행된다.In other words, when molten iron is injected into molten iron from the molten iron during the converter process in the steel mill, the molten iron is injected into the converter, and the injection of dolomite, quicklime, and formation of subsidiary materials is carried out while spraying oxygen jet air. The reaction proceeds.
이때 로내 온도를 조절하기 위해 냉각재로 철광석 류를 투입한 후 소정의 성분 및 온도로 조정된 용강을 출탕한다.At this time, the iron ore flows into the coolant to control the furnace temperature, and then taps the molten steel adjusted to a predetermined component and temperature.
이때 상기 공정중 냉각재로 사용되는 철광석 및 소결광 대시 제철소에서 발생되는 분진 더스트(Dust) 슬러지 및 슬레그(Slag)를 이용하려면 미세분말을 고형화 시켜야만 전로내에 투입이 가능하다.In this case, in order to use dust dust sludge and slag generated in iron ore and sintered ore dash steelworks used as coolant during the process, the fine powder may be solidified to be introduced into the converter.
이러한 점에 착안하여 더스트 등을 제철 용선원료 및 냉각재로 사용하려는 것이다.With this in mind, it is intended to use dust as a raw material for molten iron and a coolant.
본 발명에서는 제철소 더스트 80~90 중량부, 바람직하기는 85 중량부, 소석회 2-10 중량부, 바람직하기로는 5 중량부, 당밀 2-10 중량부, 바람직하기로는 5 중량부, 시멘트 2-10 중량부, 바람직하기로는 5 중량부를 혼합하여 성형높이 27-80m/m 및 지름 27-80m/m 의 원기둥형상 등으로 고형화하여 얻는 더스트 단광괴를 제공한다.In the present invention, 80 to 90 parts by weight of the steel mill dust, preferably 85 parts by weight, slaked lime 2-10 parts by weight, preferably 5 parts by weight, molasses 2-10 parts by weight, preferably 5 parts by weight, cement 2-10 A dust short mass obtained by solidifying a weight part, preferably 5 parts by weight, into a cylindrical shape with a molding height of 27-80 m / m and a diameter of 27-80 m / m or the like is provided.
[실시예]EXAMPLE
제철 용선 더스트를 건집진기 및 습집진기로 수집하여 건ㆍ습 더스트를 7일간 저장 숙성하여 수분 약 20% 정도로 하고 투입호퍼를 이용 운반하며 건조기로 수분 2% 이내로 건조한다.Collect molten iron dust with dry dust collector and wet dust collector, store and dry the dry and wet dust for 7 days, about 20% moisture, transport it with an input hopper, and dry it within 2% moisture with a dryer.
믹서를 이용하여 더스트 85 중량%, 당밀 5 중량%, 소회석 5 중량%, 시멘트 5 중량%의 비율로 배합한다. 성형기를 이용하여 길이 27-80m/m, 지름 27-80m/m 정도로 프레스 성형하여 괴로 고형화 한다.Using a mixer, the mixture is blended in the proportion of 85% by weight of dust, 5% by weight of molasses, 5% by weight of small lime, and 5% by weight of cement. It is press-molded by 27-80m / m in length and 27-80m / m in diameter using a molding machine to solidify the ingot.
고형화된 더스트 단광은 1일 정도 저장하여 건조시킨다.Solidified dust briquettes are stored for about 1 day and dried.
제조된 더스트 단광의 화학적 분석 특성 및 물리적 성질은 다음 표와 같다.Chemical analysis and physical properties of the produced dust briquettes are shown in the following table.
앞에서와 같이 제조된 더스트 단광 제품을 제강 전로 냉각재 등으로 사용한다.The dust briquette product manufactured as above is used as a steelmaking converter coolant.
상기와 같이 본 발명에 의하면 제철소 집진기로 수집되는 분진 더스트를 더스트 단광으로 성형하여 철광석 대신 유용하게 사용할 수 있으며 제철과정에서 필수적으로 발생되는 산업폐기물로서 매립하던 것을 재사용하므로서 환경오염 방지는 물론 제철산업의 원가절감으로 경쟁력 향상 및 자원재활용으로 이용성이 높은 유용한 발명인 것이다.As described above, according to the present invention, dust dust collected by a steel mill dust collector may be formed into dust briquettes, and may be usefully used instead of iron ore, and as an industrial waste generated during the steelmaking process, the landfill is reused to prevent environmental pollution as well as to prevent environmental pollution. It is a useful invention with high usability to improve competitiveness and recycle resources with cost reduction.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019950015260A KR0159863B1 (en) | 1995-06-09 | 1995-06-09 | Dust briquette of recycling iron dust |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950015260A KR0159863B1 (en) | 1995-06-09 | 1995-06-09 | Dust briquette of recycling iron dust |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970001570A KR970001570A (en) | 1997-01-24 |
KR0159863B1 true KR0159863B1 (en) | 1999-01-15 |
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KR1019950015260A KR0159863B1 (en) | 1995-06-09 | 1995-06-09 | Dust briquette of recycling iron dust |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020073804A (en) * | 2001-03-16 | 2002-09-28 | 허진 | Recycling method of dust from steel refining furnace |
KR101368407B1 (en) * | 2011-12-29 | 2014-03-03 | (주)네비엔 | Composition of pellet and pellet using steel dust |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100718581B1 (en) * | 2006-01-25 | 2007-05-15 | 주식회사 제철세라믹 | Substituting for pig iron and manufacturing method thereof |
-
1995
- 1995-06-09 KR KR1019950015260A patent/KR0159863B1/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020073804A (en) * | 2001-03-16 | 2002-09-28 | 허진 | Recycling method of dust from steel refining furnace |
KR101368407B1 (en) * | 2011-12-29 | 2014-03-03 | (주)네비엔 | Composition of pellet and pellet using steel dust |
Also Published As
Publication number | Publication date |
---|---|
KR970001570A (en) | 1997-01-24 |
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