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    • 1. 发明公开
    • GAS BLOWING NOZZLE
    • 燃气喷嘴
    • EP2592160A1
    • 2013-05-15
    • EP11803455.2
    • 2011-06-23
    • Shinagawa Refractories Co., Ltd.
    • IMAI Shinobu
    • C21C5/48C21C5/52C21C7/072
    • F27D99/00B22D1/002C21C5/34C21C5/48C21C7/072F27B3/20F27B3/205F27B3/22F27B3/225F27D1/12
    • This invention relates to a gas blowing nozzle for blowing a gas to a molten metal in a furnace, including a plurality of narrow metal pipes for gas introduction, a surge tank storing a gas before blowing, and a refractory protecting the narrow metal pipes and the surge tank, the gas blowing nozzle including: a first nozzle section including a plurality of first narrow metal pipes having open furnace-side tips exposed to an inside of the furnace and being in the state of capable of blowing a gas to the molten metal in the furnace, a first surge tank communicated with the first narrow metal pipes, and a first refractory protecting the first narrow metal pipes and the first surge tank; and a second nozzle section including a plurality of second narrow metal pipes, a second surge tank communicated with the second narrow metal pipes, and a second refractory protecting the second narrow metal pipes and the second surge tank, in which furnace-side tips of the second narrow metal pipes are embedded in the second refractory such that the furnace-side tips of the second narrow metal pipes are located in a given depth and the furnace-side tips are occluded, in which blowing of a gas from the first nozzle section is continuously conducted in the state of applying pressure of the gas to the second nozzle section, and when erosion of the second refractory reaches the furnace-side tips of the second narrow metal pipes embedded in the second refractory, occluded furnace-side tips of the second narrow metal pipes are opened, and blowing of a gas from the second narrow metal pipes is started.
    • 气体吹入喷嘴技术领域本发明涉及一种用于向炉内的熔融金属吹入气体的气体吹入喷嘴,该气体吹入喷嘴包括多个气体导入用细金属管,贮存吹入前的气体的缓冲罐以及用于保护狭窄的金属管和耐火物的耐火物 所述气体吹入喷嘴具备:第一喷嘴部,其具有露出于所述炉内的开放的炉侧前端且能够向所述熔融金属内吹入气体的状态的多个第一细金属管 所述炉,与所述第一窄金属管连通的第一缓冲罐以及保护所述第一窄金属管和所述第一缓冲罐的第一耐火材料; 所述第二喷嘴部具有多个第二细金属管,与所述第二细金属管连通的第二缓冲罐,以及保护所述第二细金属管和所述第二缓冲罐的第二耐火物,其中, 将第二窄金属管嵌入第二耐火材料中,使得第二窄金属管的炉侧尖端位于给定深度中并且炉侧尖端被封闭,其中来自第一喷嘴部分的气体的吹入是 在向第二喷嘴部施加气体压力的状态下连续进行,在第二耐火物的侵蚀到达埋入第二耐火物的第二金属细管的炉膛侧前端的情况下,第二阻塞物的封闭炉侧前端 打开窄金属管,开始从第二窄金属管吹出气体。
    • 5. 发明公开
    • SEIZURE REPAIRING MATERIAL
    • REPARATURMAIALFÜRAUSKLEIDUNGEN
    • EP0936203A1
    • 1999-08-18
    • EP98917673.0
    • 1998-04-24
    • SHINAGAWA REFRACTORIES CO., LTD.
    • TAKENAKA, HiroshiHORITA, ShuzoAKIZUKI, ToshihikoOSAKI, Yoshiaki
    • C04B35/66
    • C04B35/66C04B35/013C04B35/043F27D1/1642
    • The hot repair mix according to the present invention comprises bisphenol as an auxiliary fluidizing agent in an amount of 1 to 20 weight parts and a material to form carbon bond in hot working process in an amount of 5 to 40 weight parts to 100 weight parts of a refractory material. It has satisfactory properties such as spreading property, hardenability, adhesive property, property of the finished portion in hot working process, and this leads to improvement of durability of the baking material. Moreover, there is no change over time such as solidification, sedimentation separation, etc. in summer season, and it can be easily transported and stored. Because of easy handling and good workability of this material, baking operation can be accomplished within short time, and it is very useful as a hot repair mix for repairing various types of refinery furnaces, molten metal containers, etc. in hot working process.
    • 根据本发明的热修复混合物包含双酚作为1至20重量份的辅助流化剂,并且在热加工过程中形成碳键的材料的量为5至40重量份至100重量份 耐火材料。 具有良好的性能,如扩展性,淬透性,粘合性,热加工过程中成品部分的性能,这导致烘烤材料的耐久性得到改善。 而且夏季固化,沉降分离等时间也没有变化,可以方便运输和储存。 由于这种材料易于处理和良好的可加工性,烘烤操作可以在短时间内完成,并且作为在热加工过程中修复各种类型的炼油炉,熔融金属容器等的热修复混合物是非常有用的。
    • 6. 发明公开
    • NOZZLE FOR THE CONTINUOUS CASTING OF STEEL
    • DÜSEFÜRDAS STRANGGIESSEN VON STAHL
    • EP0885674A1
    • 1998-12-23
    • EP97912469.0
    • 1997-11-14
    • SHINAGAWA REFRACTORIES CO., LTD.
    • NOMURA, OsamuNAKAMURA, RyosukeLIN, Wei
    • B22D11/10
    • B22D41/54
    • The object of the present invention is to provide a nozzle for use in continuous casting of steel which simultaneously provides resistance to adhesion of Al 2 O 3 inclusions, damage resistance, and spalling resistance. The nozzle for use in continuous casting of steel according to the present invention is characterized in that the refractory material of at least the interior surface of the nozzle and/or the portions to come into contact with molten steel is composed of amorphous silica and alumina and has a chemical composition of 5 to 40 percent by weight of SiO 2 , 60 to 95 percent by weight of Al 2 O 3 , and 3 percent by weight or less of unavoidable impurities.
    • 本发明的目的是提供一种用于钢的连续铸造的喷嘴,其同时提供对Al 2 O 3夹杂物的粘附性,耐破坏性和耐剥落性。 根据本发明的用于连续铸钢的喷嘴的特征在于,至少喷嘴内表面的耐火材料和/或与钢水接触的部分由无定形二氧化硅和氧化铝组成, 的化学组成为SiO 2的5〜40重量%,Al 2 O 3为60〜95重量%,不可避免的杂质为3重量%以下。
    • 8. 发明公开
    • PACKING MATERIAL FOR REFRACTORY
    • 耐火材料包装材料
    • EP0759415A1
    • 1997-02-26
    • EP94908483.4
    • 1994-03-02
    • SHINAGAWA REFRACTORIES CO., LTD.
    • ICHIKAWA, KenjiASAMI, HajimeMARUYAMA, KazushiINOUE, Junichi
    • C04B35/66B22D11/10
    • B22D41/502C04B35/66Y10S266/905Y10T428/23Y10T428/232Y10T428/237Y10T428/238Y10T428/239
    • A packing material for refractory capable of reducing the deterioration of the working environment since there is generated no smoke and foul smell even if used for setting preheated submerged nozzles or long nozzles, allowing easy visual observation of the fitting operation, and maintaining the packing material deformation suppression performance.
      A packing material for a refractory of the present invention is characterized in that a part or the whole surface of a packing base material for a refractory formed from inorganic refractory powder, inorganic and/or organic fibrous raw material, and agents and/or various types of additives is covered with a metal foil. This packing material may be used together with an inorganic paint or ceramic fiber sheet, and when so used, the metal foil is to be applied to the outermost surface thereof. In addition, a metal foil having recessed and raised portions thereof may be used.
    • 本发明提供一种耐火材料用包装材料,即使用于设置预热浸渍喷嘴或长喷嘴,也能够容易地目视观察嵌合作业,并且能够维持包装材料的变形,所以不会产生烟和恶臭,能够降低作业环境的恶化 抑制性能。 本发明的耐火材料用填充材料的特征在于,由无机耐火材料粉末,无机和/或有机纤维原材料和试剂和/或各种类型形成的耐火材料用填充基材的一部分或全部表面 的添加剂用金属箔覆盖。 该包装材料可以与无机涂料或陶瓷纤维片一起使用,并且当使用时,金属箔将被施加到其最外表面。 另外,可以使用具有凹凸部的金属箔。