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    • 2. 发明专利
    • VERTICAL TYPE HEAT EXCHANGER
    • JPS62106289A
    • 1987-05-16
    • JP24280885
    • 1985-10-31
    • MITSUBISHI HEAVY IND LTD
    • MAKIHARA KATSUMIHASHIMOTO RITSUOHOSHI YOUNOSUKEARIKAWA MASAOMAKINO YASUMASAKUBOTA OSAMUKUROKUI MASAYUKI
    • F28D7/16F28F9/02
    • PURPOSE:To reduce remarkably a temperature difference in the thickness of a bottom tube plate upon the initial supply of water and prevent the breakage, deformation, craking due to thermal fatigue or the like of the bottom tube plate by providing a filler layers, consisting of a multitude of solid matters, on the bottom tube plate in a shell. CONSTITUTION:A filler layer 10, filled with the multitude of solid mattes such as steel balls or the like for example, is provided on the surface of a bottom tube plate 3b in a shell 1. The inner side of the shell is heated previously by high-temperature heat medium, flowing through tubes, therefore, water supplied into a heat exchange deprives heat from the filler layer 10 and the bottom tube plate 3b and is evaporated while the filler layer 10 precludes generated steam from being released from the bottom tube plate 3b as well as water from being supplied onto the upper surface of the bottom tube plate 3b, and a steam layer is formed easily on the upper surface of the bottom tube plate 3b. The steam layer serves as a large heat resistance. Filler, such as the steel balls or the like, precludes contact between the water and the bottom tube plate 3b as well as cooling from the upper surface of the same plate 3b and, as a result, a temperature difference in the direction of the thickness of the bottom tube plate 3b can be reduced remarkably.
    • 10. 发明专利
    • Roughing mill for slab
    • 粗糙的铣刀
    • JPS6167509A
    • 1986-04-07
    • JP18818184
    • 1984-09-10
    • Kawasaki Steel CorpMitsubishi Heavy Ind Ltd
    • ARIKAWA MASAOTSUJIMOTO TETSUYAOOTA SUSUMUOBE MOTOHIROISOYAMA SHIGERUKUSABA TAKASHI
    • B21B1/02B21B1/38B21B13/02B21B27/02B21B27/05
    • B21B13/02B21B1/026B21B27/028B21B27/05B21B2269/12
    • PURPOSE:To perform efficiently the broadside rolling of a thick plate by only reciprocating a material to be rolled while increasing gradually the gap between a pair of upper and lower rolls every time the material passes through the rolls. CONSTITUTION:A titled device is constituted of upper and lower shafts 1, 3 consisting of shaft main bodies 1a, 3a supported at their both ends by bearing boxes 2a, b and sleeves 1b, 3b, a pressurized-body charging and discharging means for expanding and contracting the sleeves 1b, 3b by charging and discharging a pressurized fluid to communicate the fluid from the end faces of shaft main bodies 1a, 3a to the spaces 1c, 3c of oil pools through oil holes 1d, 3d in the main bodies 1a, 3a, sleeve rolls 14, 15, 16, 17 which move along the axial directions of shafts 1a, 3a, sliders 18, 19, 24, 25 for moving the sleeve rolls in the same directions, and slide bars for advancing the sliders independently and spirally in the same directions.
    • 目的:为了有效地进行厚板的纵向轧制,只要往复滚动一个材料,同时每次材料通过轧辊时逐渐增加一对上下辊之间的间隙。 构成:标题装置由上轴1和下轴3组成,轴1和轴3由轴主体1a,3a组成,轴主体1a,3a的两端由轴承箱2a,b和套筒1b,3b支撑;加压体充放电装置, 并通过对加压流体进行充填和排出来收缩套筒1b,3b,以使流体从主轴体1a,3a的端面通过主体1a中的油孔1d,3d连通到油池的空间1c,3c, 如图3a所示,套筒辊14,15,16,17沿着轴1a,3a,滑块18,19,24,25的轴向移动,用于沿相同的方向移动套筒辊,并且滑杆用于独立地推进滑块, 在相同的方向上螺旋状