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    • 2. 发明授权
    • M3O8 스크랩 분말의 첨가방법 및 소결공정에 의한혼합핵연료 펠렛의 특성제어기술
    • M3O8创建应用程序
    • KR100424331B1
    • 2004-03-24
    • KR1020010024699
    • 2001-05-07
    • 한국원자력연구원한국수력원자력 주식회사
    • 정창용김한수김시형이영우나상호
    • G21C3/02
    • Y02E30/40
    • PURPOSE: A method for adding M3O8 scrap powders and a method for controlling a characteristic of a mixed nuclear fuel pellet by a sintering process are provided to recycle scrap powders in a mixed nuclear fuel fabrication process by mixing M3O8 scrap powders with powders of raw materials. CONSTITUTION: M3O8 scrap powders of 5, 10, 12.5, 15, and 30 weight percents are mixed with powders of raw materials, respectively. The M3O8 scrap powders and the powders of raw materials are mixed by using a turbula mixer. A milling process for the mixture is performed. A lump of powders having a circular shape is formed by adding the M3O8 powders to the mixed powders. A sintering process for the lump of powders having the circular shape is performed under atmosphere of hydrogen 7 percent and nitrogen of 93 percent at temperature of 1650 to 1750 degrees centigrade.
    • 目的:通过混合M3O8废料粉末和原料粉末,在混合核燃料制造过程中提供通过烧结过程添加M3O8废料粉末的方法和控制混合核燃料丸粒特性的方法以回收废料粉末。 构成:分别将5,10,12.5,15和30重量百分比的M3O8碎屑粉末与原料粉末混合。 M3O8废料粉末和原料粉末通过使用涡轮混合器混合。 对混合物进行研磨处理。 通过将M3O8粉末添加到混合粉末中形成具有圆形形状的粉末团块。 在1650〜1750℃的温度下,在氢气7%,氮气93%的气氛下进行圆形粉末块的烧结。
    • 3. 发明公开
    • 지르코니아가 첨가된 중성자 흡수 소결체 및 이의 제조방법
    • ZIRCONIA添加中性吸收片及其制造方法
    • KR1020080019408A
    • 2008-03-04
    • KR1020060081708
    • 2006-08-28
    • 한국원자력연구원한국수력원자력 주식회사
    • 김한수정창용김시형이수철손동성김정석
    • G21F1/00C04B35/48
    • G21F1/06C04B35/48
    • A zirconia added neutron absorbing pellet and a fabrication method thereof are provided to improve performance as nuclear reactor control or combustible absorbing material by having high thermal conductivity to lower center temperature of the pellet in comparison with a conventional pallet. A fabrication method of a zirconia added neutron absorbing pallet includes the steps of: calculating a mixture ratio of Dy2O3 or Gd2O3 powder and zirconia powder according to concentration of a neutron absorbing element and mixing the powders in the corrected mixture ratio applied with a percentage of actual density of the pallet to theoretical density of a solid resolution with a corresponding composition; drying the mixed powders after wet-milling the mixed powders; converting the powders into a ball type after mixing the dried powders with a pore former; mixing the ball-type powders with the pore former or a lubricant; compacting the ball-type powders; and sintering the compacted powders.
    • 提供一种氧化锆添加的中子吸收粒料及其制造方法,以通过与传统的托盘相比具有高导热性以降低丸粒的中心温度来提高作为核反应堆控制或可燃性吸收材料的性能。 添加氧化锆的中子吸收托盘的制造方法包括以下步骤:根据中子吸收元素的浓度计算Dy 2 O 3或Gd 2 O 3粉末与氧化锆粉末的混合比例,并按照实际的百分比将混合粉末混合, 托盘的密度与具有相应组成的固体分辨率的理论密度; 在混合粉末湿磨后干燥混合粉末; 将粉末与成孔剂混合后,将粉末转化成球型; 将球型粉末与成孔剂或润滑剂混合; 压制球型粉末; 并烧结压实的粉末。
    • 6. 发明公开
    • M3O8 스크랩 분말의 첨가방법 및 소결공정에 의한혼합핵연료 펠렛의 특성제어기술
    • 添加M3O8刮刀粉的方法及其混合核燃料粒子特性的控制方法
    • KR1020020085280A
    • 2002-11-16
    • KR1020010024699
    • 2001-05-07
    • 한국원자력연구원한국수력원자력 주식회사
    • 정창용김한수김시형이영우나상호
    • G21C3/02
    • Y02E30/40
    • PURPOSE: A method for adding M3O8 scrap powders and a method for controlling a characteristic of a mixed nuclear fuel pellet by a sintering process are provided to recycle scrap powders in a mixed nuclear fuel fabrication process by mixing M3O8 scrap powders with powders of raw materials. CONSTITUTION: M3O8 scrap powders of 5, 10, 12.5, 15, and 30 weight percents are mixed with powders of raw materials, respectively. The M3O8 scrap powders and the powders of raw materials are mixed by using a turbula mixer. A milling process for the mixture is performed. A lump of powders having a circular shape is formed by adding the M3O8 powders to the mixed powders. A sintering process for the lump of powders having the circular shape is performed under atmosphere of hydrogen 7 percent and nitrogen of 93 percent at temperature of 1650 to 1750 degrees centigrade.
    • 目的:提供一种通过烧结工艺加入M3O8废粉的方法和控制混合核燃料颗粒特性的方法,通过将M3O8废粉与原料粉末混合来回收混合核燃料制造工艺中的废粉。 构成:分别将5,10,12.5,15和30重量%的M3O8废粉与原料粉末混合。 使用湍流混合器将M3O8废料粉末和原料粉末混合。 进行混合物的研磨过程。 通过将M3O8粉末加入到混合粉末中形成一块具有圆形形状的粉末。 具有圆形形状的粉末块的烧结方法是在氢气气氛7%,氮气93%,温度1650〜1750℃下进行。