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    • 3. 发明授权
    • 제강 부산물을 이용한 직접환원철 단광 제조용 결합재 및 그 제조방법
    • 使用钢铁副产品及其制造方法制造直接还原铁矿石的粘合剂
    • KR101444071B1
    • 2014-09-30
    • KR1020140066665
    • 2014-06-02
    • 주식회사 삼표산업주식회사 네비엔
    • 정용천성민권성원박영동김창율
    • C04B18/14C04B18/08C04B18/00
    • Y02W30/92Y02W30/94C22B1/242Y02W30/542Y02W30/90
    • The present invention relates to a configuration and a manufacturing method for a binding material for producing a direct reduction iron briquet. The present invention recycles industrial byproducts as a resource and increases the value of the resource by providing a binding material for producing a direct reduction iron briquet, which applies a by-product generated from a steel manufacturing process, especially, a calcareous slag generated in a molten metal pretreatment step and a calcium aluminate slag generated from a second refining step as a component. The present invention provides the binding material for producing the direct reduction iron briquet, which is a mixed powder obtained by mixing and pulverizing 10 to 30 wt% of the calcareous slag generated in the molten metal pretreatment step during the steel manufacture process and 70 to 90 wt% of the calcium aluminate slag generated from the second refining step, and having a fineness of at least 3,500 cm^2/g.
    • 本发明涉及一种用于制造直接还原铁块的粘合材料的构造和制造方法。 本发明作为资源回收工业副产物,并且通过提供用于生产直接还原铁块的粘结材料来提高资源的价值,该直接还原铁块用于生产钢铁制造过程中产生的副产物,特别是在 熔融金属预处理步骤和由第二精制步骤产生的铝酸钙炉渣作为组分。 本发明提供了用于制造直接还原铁块的粘合材料,其是通过在钢制造过程中将在熔融金属预处理步骤中产生的10〜30重量%的钙渣进行混合粉碎而得到的混合粉末,70〜90 由第二精炼步骤产生的铝酸钙炉渣的重量百分数,并且具有至少3,500cm 2 / g的细度。
    • 4. 发明授权
    • 철질 물질 제조 방법
    • 一种制造铁材料的方法
    • KR101386171B1
    • 2014-04-17
    • KR1020140013614
    • 2014-02-06
    • 주식회사 삼표산업(주)네비엔
    • 박영동국만호하동호오정호이창호이강규정용김정빈
    • C22B7/00
    • The present invention includes a method of preparing an iron material, which includes the steps of: (a) selecting slags having a specific diameter or less among slags generated after a desulfurization process in the steel making process has been finished; (b) particle-classifying the selected slags based on a first reference diameter; (c) performing magnetic classification with respect to slags having more than the first reference diameter among the slags subject to the particle classification, collecting iron materials, and crushing slags which are not attached to a magnet; (d) selecting iron materials by collecting slags having the first reference diameter or less among the slags subject to particle-classification in step (b) and the slags crushed in step (c) and performing magnetic classification and wind-power classification; (e) drying the selected iron materials; (f) crushing and crushing the iron materials collected in step (c) and iron materials dried in step (e); and (g) performing particle-classification for the crushed iron materials based on the second reference diameter and collecting the iron materials having more than the second reference diameter. [Reference numerals] (AA) Introduce a source material.; (BB,EE,OO,QQ) Particle classification; (CC) Diameter of 500 nm or less; (DD,NN) Diameter of more than 200nm; (FF) Magnetic force classification; (GG) Non-attach to magnet; (HH) Attach to magnet; (II) Crushing (to 200 mm or less); (JJ,PP) 200 mm or less; (KK) Magnetic/wind-power classification; (LL) Drying; (MM) Crushing; (RR) 200 mm or less; (SS) Refining (crushing and magnetic classification); (TT) Oxidation film treatment; (UU) Product (diameter of 20-500 mm); (VV) Product (diameter of 2-20 mm)
    • 本发明包括一种制备铁材料的方法,其包括以下步骤:(a)选择在炼钢过程中脱硫后产生的炉渣中具有特定直径或更小的炉渣已经完成; (b)基于第一参考直径对所选择的炉渣进行颗粒分级; (c)相对于经过粒子分级的炉渣中的第一参考直径的炉渣进行磁分级,收集铁材料和未附着在磁体上的粉碎炉渣; (d)通过在步骤(b)中进行粒子分级的炉渣和在步骤(c)中压碎的炉渣中收集具有第一参考直径或更小的炉渣并进行磁分类和风力分级来选择铁物质; (e)干燥选定的铁材料; (f)对步骤(c)中收集的铁材料和在步骤(e)中干燥的铁材料进行破碎和粉碎; 和(g)基于第二参考直径对粉碎的铁材料进行颗粒分级,并收集具有大于第二参考直径的铁材料。 (附图标记)(AA)引入源材料; (BB,EE,OO,QQ)粒子分类; (CC)直径500nm以下; (DD,NN)直径200nm以上; (FF)磁力分类; (GG)不附磁铁; (HH)安装在磁铁上; (二)破碎(200mm以下) (JJ,PP)200mm以下; (KK)磁/风功分类; (LL)干燥; (MM)粉碎; (RR)200 mm以下; (SS)精炼(粉碎和磁分类); (TT)氧化膜处理; (UU)产品(直径20-500毫米); (VV)产品(直径2-20 mm)