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    • 7. 发明授权
    • Ceramic shell-and-tube type heat exchanger, and method for manufacturing
it
    • 陶瓷管壳型热交换器及其制造方法
    • US6006824A
    • 1999-12-28
    • US260550
    • 1999-03-02
    • Mitsuru HattoriKeiichiro WatanabeToshihiro Yoshida
    • Mitsuru HattoriKeiichiro WatanabeToshihiro Yoshida
    • C04B37/00F28F9/00
    • F28D7/16C04B37/003F28F21/04C04B2235/5244C04B2235/5427C04B2235/6581C04B2237/08C04B2237/083C04B2237/345F28F2225/04F28F2255/18F28F2265/30
    • A method for manufacturing a ceramic shell-and-tube type heat exchanger having a plurality of heat transfer tubes and tubular plates joined to both the end portions of these heat transfer tubes which has the steps of inserting the heat transfer tubes of sintered tubular ceramics into through-holes of the tubular plates of unsintered plate-like ceramics having a plurality of the through-holes, standing the heat transfer tubes vertically to a floor surface, and then firing them in a condition where the tubular plates are positioned at both the upper and lower end portions of the heat transfer tubes, thereby integrally joining the tubular plates to both the end portions of the plurality of heat transfer tubes by the utilization of a difference between firing shrinkage ratios of both the members, the method having the steps of interposing at least one tubular plate between the tubular plate positioned at the upper end portions and the tubular plate positioned at the lower end portions of the heat transfer tubes, and then firing them to integrally join them. The ceramic shell-and-tube type heat exchanger can be obtained in which the deformation of the heat transfer tubes can be remarkably inhibited and which is free from the deterioration of joining strength due to the deformation of the heat transfer tubes in the firing join step and the occurrence of gas leakage due to a joining failure.
    • 一种陶瓷管壳型热交换器的制造方法,其具有多个传热管和连接到这些传热管的两端的管状板,其具有将烧结管状陶瓷的传热管插入 具有多个通孔的未烧结板状陶瓷的管状板的通孔,将传热管垂直地放置在地板表面上,然后在管状板位于两者的上部 和传热管的下端部,从而通过利用两个部件的烧成收缩率之间的差异将管状板整体地接合到多个传热管的两个端部,该方法具有插入步骤 在位于上端部的管状板和位于t的下端部的管状板之间的至少一个管状板 他传热管,然后点燃它们以一体加入。 可以获得陶瓷壳管型热交换器,其中可以显着抑制传热管的变形,并且不会由于在烧结接合步骤中的传热管的变形而导致的接合强度的劣化 并且由于接合故障而发生气体泄漏。
    • 10. 发明授权
    • Method for manufacturing ceramics having fine holes
    • 具有细孔的陶瓷的制造方法
    • US6033619A
    • 2000-03-07
    • US984448
    • 1992-12-02
    • Mitsuru Hattori
    • Mitsuru Hattori
    • B28B1/00B28B3/00C04B38/00F01D5/18F01D5/28C04B35/64
    • F01D5/18B28B1/002F01D5/284F05D2300/21
    • A method for manufacturing ceramics with fine hole(s) includes the steps of: forming independently ceramic compacts, said ceramic compacts having their shapes corresponding to the divided parts of one integrated body having at least one fine hole along which the integrated body is divided; joining said compacts into an integrated form by cold isostatic pressing (CIP); and firing the integrated compact. Another method for manufacturing ceramics with fine hole(s) includes the steps of: forming independently ceramic compacts; grooving said compacts to make at least one desired partial hole in given places of each cross section by machining; joining said compacts into an integrated form by cold isostatic pressing (CIP); and firing the integrated compact. According to these methods, there can be obtained a sintered ceramic body with holes, each having a very small diameter and an unrestricted depth, or holes in a complex or curved shape.
    • 一种用于制造具有细孔的陶瓷的方法包括以下步骤:独立地形成陶瓷压块,所述陶瓷压块的形状对应于具有一体化体的至少一个细孔的一个整体的分割部分; 通过冷等静压(CIP)将所述压块结合成一体形式; 并发射集成的小型物品。 用于制造具有细孔的陶瓷的另一种方法包括以下步骤:独立地形成陶瓷压块; 在每个横截面的给定位置通过机加工切槽所述压块以形成至少一个所需的局部孔; 通过冷等静压(CIP)将所述压块结合成一体形式; 并发射集成的契约。 根据这些方法,可以获得具有孔的烧结陶瓷体,每个具有非常小的直径和无限制的深度,或者具有复杂或弯曲形状的孔。