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    • 9. 发明专利
    • Furnace wall protection material for steelmaking and method for manufacturing the same
    • 用于制钢的炉壁保护材料及其制造方法
    • JP2012158495A
    • 2012-08-23
    • JP2011019426
    • 2011-02-01
    • Nippon Material Kk日本マテリアル株式会社
    • IWAMI AKIRA
    • C04B35/043C21C5/44F27D1/00
    • PROBLEM TO BE SOLVED: To provide a protection material that undergoes no deterioration in its performance even when left to stand for a longer period of time, as conventional furnace wall protection materials for steelmaking essentially comprising soft-burned dolomite are pulverized and undergo deterioration in their performance as protection materials when left to stand in the atmosphere for about three months after manufacture.SOLUTION: The furnace wall protection material for steelmaking is obtained by grinding a mixture wherein the magnesium, calcium and iron contents are adjusted to 60-80%, 5-30% and 0.5-10%, respectively, calculated in terms of MgO, CaO and FeO, respectively, subsequently molding the mixture into briquettes and firing the same.
    • 要解决的问题:为了提供即使长时间放置也不会劣化其性能的保护材料,因为基本上包含软煅烧白云石的常规用于炼钢的炉壁保护材料被粉碎并经历 作为保护材料的性能下降,在制造后大约三个月内放置在大气中。 解决方案:用于炼钢的炉壁保护材料是通过研磨混合物得到的,其中镁,钙和铁含量分别调节为60-80%,5-30%和0.5-10%,按照 MgO,CaO和FeO,随后将混合物模制成团块并烧制。 版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Facilities for arranging firebrick for converter furnace
    • 用于安装转炉炉的火焰的设备
    • JP2012072463A
    • 2012-04-12
    • JP2010219297
    • 2010-09-29
    • Kyuchiku Ind Co Ltd九築工業株式会社
    • YAMAGUCHI HIROBUMISHIGA MOTOKIMIYAGAWA YOSHIKAZUNAGA KOJI
    • C21C5/44F27D1/16
    • PROBLEM TO BE SOLVED: To provide facilities for arranging firebricks for a converter furnace, which mechanically arrange firebricks that are conveyed inside a converter furnace in a predetermined position.SOLUTION: The facilities for arranging firebricks for a converter furnace, include: a rotating base 16 that is rotated on a bridge 15 supported by a fixed frame 14; a ring conveyer 17 for conveying the firebrick 12 in a circumferential direction; conveyer buckets 19 for the firebrick 12, which are suspended on endless chains 43, 44 at predetermined intervals; a transverse conveyer 21 disposed in a car 20 moved upward and downward inside the converter furnace 11, and receiving the firebrick 12 from the conveyer buckets 19; a delivery chute 23 prepared to the car 20 via a support frame 22, for delivering the firebrick 12 that is conveyed by the transverse conveyer 21 in a furnace wall 13 direction; a circumferential direction pushing device 18 equipped with a first air cylinder 64, for pushing the firebrick 12 delivered from the delivery chute 23 in a circumferential direction; and a radially pushing device 28 equipped with a second air cylinder 68, for moving the firebrick 12 radially outward.
    • 要解决的问题:提供用于设置用于转炉的耐火砖的设施,其将在转炉内输送的耐火砖机械地布置在预定位置。 解决方案:用于设置用于转炉炉的耐火砖的设施包括:在由固定框架14支撑的桥梁15上旋转的旋转底座16; 环形传送器17,用于沿圆周方向传送耐火砖12; 用于防火板12的输送桶19,其以预定间隔悬挂在环形链条43,44上; 设置在转炉11内上下移动的轿厢20中的横向输送机21,并且从输送桶19接收耐火砖12; 经由支撑框架22准备到轿厢20的输送槽23,用于将由横向输送器21输送的耐火砖12输送到炉壁13的方向; 装有第一气缸64的圆周方向推动装置18,用于沿圆周方向推动从输送槽23输送的耐火布板12; 以及配备有第二气缸68的径向推动装置28,用于径向向外移动耐火砖12。 版权所有(C)2012,JPO&INPIT