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    • 7. 发明授权
    • 고비중 콘크리트 조성물 및 이로부터 제조된 소파블록
    • 高密度混凝土组合物及其断裂波浪块
    • KR101417620B1
    • 2014-08-08
    • KR1020130037645
    • 2013-04-05
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 조봉석이훈하최광희
    • C04B18/14C04B14/02C04B5/00A01K61/00
    • Y02A40/81Y02W30/94C04B18/141C04B20/026C04B28/14C04B2111/00017E02B3/06E02B3/129
    • The present invention provides a high-density concrete composition including a binding material that contains granulated blast furnace slag, desulfurized slag, and plaster; and an aggregate that contains rapidly-chilled electric furnace slag and electric furnace oxidizing slag, wherein 500 to 750 parts by weight of the aggregate is contained with respect to 100 parts by weight of the binding material. Also provided is a breaking-wave block that is manufactured by using the high-density concrete composition. By using the high-density concrete composition of the present invention is used, cement consumption is decreased thereby preventing environmental pollution attributable to carbon dioxide generated during cement production and to an alkali element flowing out of cement; and also, slag aggregate, which is a steel byproduct, is recycled to improve economic efficiency. Moreover, the breaking-wave block with an improved breaking-wave performance is manufactured by using the high-density concrete composition, and thus human and material damage due to natural disasters such as typhoons can be minimized.
    • 本发明提供一种高密度混凝土组合物,其包含含有造粒高炉矿渣,脱硫炉渣和石膏的粘结材料; 以及含有快速冷却的电炉渣和电炉氧化炉渣的骨料,相对于100重量份的粘合材料,含有500〜750重量份的骨料。 还提供了通过使用高密度混凝土组合物制造的断裂块。 通过使用本发明的高密度混凝土组合物,水泥消耗量减少,从而防止水泥生产过程中产生的二氧化碳和流出水泥的碱元素引起的环境污染; 并且作为钢副产物的渣骨料被再循环以提高经济效率。 此外,通过使用高密度混凝土组合物制造具有改善的断裂性能的断裂块,因此可以最小化由于诸如台风的自然灾害引起的人为和材料损坏。
    • 8. 发明公开
    • 철강슬래그를 이용한 성토재
    • 使用钢铁和钢丝绳的填充材料
    • KR1020140082100A
    • 2014-07-02
    • KR1020120151479
    • 2012-12-21
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 이훈하조봉석
    • E02D17/18C04B18/06C04B14/36
    • Y02W30/92E02D17/18C04B14/365C04B18/061C04B18/067
    • Provided is a fill material including air cooled slag as coarse aggregates, granulated slag as fine aggregates, and at least one kind selected from desulfurization slag, dephosphorization slag, and plaster as activation material. The fill material of the present invention uses by-products from an ironmaking process, thereby being more eco-friendly compared to conventional fill material. Since the fill material of the present invention does not use steelmaking slag which requires long term aging, only few time and space limitations exist. Also, the fill material of the present invention uses granulated slag having hydraulicity as fine aggregates to enhance the bonding strength between coarse aggregates and fine aggregates, thus improving the compressive strength of the fill material, to fill the space between aggregates with activation materials such as the desulfurization slag, the dephosphorization slag, and plaster, and to react with SiO2 to form hydrates of CaO-SiO2-H2O and CaO-Al2O3-CaSO4-H2O, thereby being able to reach high compressive strength in a short time after filling.
    • 提供一种填充材料,其包括作为粗骨料的空气冷却炉渣,作为细骨料的粒状炉渣,以及选自脱硫渣,脱磷渣和石膏作为活化材料的至少一种。 本发明的填充材料使用来自炼铁工艺的副产物,因此与常规填充材料相比更环保。 由于本发明的填充材料不使用需要长期老化的炼钢渣,所以只存在很少的时间和空间限制。 此外,本发明的填充材料使用具有水硬性的细粒料作为细骨料的造粒渣,以增强粗骨料与细骨料之间的粘合强度,从而提高填充材料的抗压强度,以填充聚集体之间的空间, 脱硫渣,脱磷渣和石膏,与SiO2反应形成CaO-SiO2-H2O和CaO-Al2O3-CaSO4-H2O的水合物,从而在填充后能够在短时间内达到高抗压强度。
    • 9. 发明授权
    • 습식 급랭 제강 슬러지로부터 제강 슬래그 미분말을 회수하는 방법 및 제강 슬래그 분말을 사용하는 시멘트 결합재 제조 방법
    • 从快速水冷轧钢渣回收钢渣渣粉的方法及其水泥胶的制造方法
    • KR101372596B1
    • 2014-03-12
    • KR1020120112619
    • 2012-10-10
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 이훈하조봉석
    • C04B18/14C04B5/00
    • Y02W30/94C04B5/06B03C1/00C04B18/141
    • The present invention relates to a method for collecting pulverized wet steel slag powder by concentrating active ingredients from wet rapidly cooled steel sludge generated in a process of treating steel slag by performing wet rapid cooling on molten steel slag, the method comprising: a drying step of obtaining wet rapidly cooled steel sludge powder by removing moisture by drying wet rapidly cooled steel sludge generated in a process of treating cooling water used for the wet rapid cooling of molten converter slag in an integrated steel mill; a first magnetic separation step of removing magnetic materials by performing magnetic separation on the dried wet rapidly cooled steel sludge powder; a pulverizing step of pulverizing the wet rapidly cooled steel sludge powder from which the magnetic materials are removed; and a second magnetic separation step of collecting pulverized steel slag powder by further removing magnetic materials by performing magnetic separation on the pulverized wet rapidly cooled steel sludge powder; wherein the pulverized steel slag powder obtained thereby can be used as a cement admixture. [Reference numerals] (AA) Wet rapidly cooled steel sludge; (BB) Drying; (CC) Magnetic separation (First); (DD,HH) Magnetic material; (EE,II) Non-magnetic material; (FF) Pulverizing; (GG) Magnetic separation (Second); (JJ) Classifying; (KK) High density powder; (LL) Low density powder
    • 本发明涉及通过在钢水渣上进行湿快速冷却处理钢渣处理过程中产生的湿快速冷却钢渣中的活性成分浓缩而收集粉碎的湿钢渣粉末的方法,该方法包括: 通过干燥湿法快速冷却的钢污泥,通过在一体化钢铁厂对熔融转炉渣湿法快速冷却的冷却水处理过程中产生的湿法快速冷却钢泥来除湿, 通过在干燥的湿快速冷却的钢污泥粉末上进行磁分离来除去磁性材料的第一磁选分离步骤; 粉碎从其除去磁性材料的湿快速冷却的钢污泥粉末的粉碎步骤; 以及第二磁选分离步骤,通过在粉碎的湿快速冷却的钢污泥粉末上进行磁分离来进一步除去磁性材料来收集粉碎的钢渣粉末; 其中由此获得的粉碎钢渣粉末可用作水泥混合物。 (附图标记)(AA)湿快速冷却钢渣; (BB)干燥; (CC)磁选(第一); (DD,HH)磁性材料; (EE,II)非磁性材料; (FF)粉碎; (GG)磁选(二); (JJ)分类; (KK)高密度粉末; (LL)低密度粉末