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    • 2. 发明申请
    • Apparatus and Process for Preparing Silanes
    • 硅烷制备装置及方法
    • US20080095691A1
    • 2008-04-24
    • US11575226
    • 2005-07-21
    • Raymund SonnenscheinPeter AdlerTim PopkenJohn Kahsnitz
    • Raymund SonnenscheinPeter AdlerTim PopkenJohn Kahsnitz
    • B01D3/00B01J8/02C01B33/107
    • C01B33/107B01D3/009B01J8/025C01B33/1071C01B33/10773Y02P20/127Y10S203/06
    • The invention relates to an apparatus, for preparing silanes of the general formula HnSiCl4-n where n=1, 2, 3 and/or 4 by dismutation of at least one relatively highly chlorinated silane in the presence of a catalyst, which is based on at least one distillation column (1) having a column bottom (1.1) and a column top (1.2), at least one side reactor (2) with catalyst bed (3), at least one feed inlet (1.3), a product offtake (1.4) and at least one further product offtake (1.5 or 1.8), where the distillation column (1) is provided with at least one chimney tray (4) and at least one side reactor (2) is connected to the distillation column (1) via at least three pipes (5, 6, 7) in such a way that the connection point of the line (5) to the distillation column (1) for the discharge of the condensate from the chimney tray (4, 4.1) is at a higher level than the upper edge of the catalyst bed (3, 3.1 or 3.2), the line (6) for the discharge of the liquid phase from the side reactor (2) opens (6.1) into the distillation column (1) below the chimney tray (4) and this opening (6, 6.1) is at a lower level than the upper edge of the catalyst bed (3, 3.1 or 3.2) and the line (7) for the discharge of the gas phase from the associated side reactor (2) opens (7.1) into the distillation column (1) above the level (4.1) of the chimney tray (4). Furthermore, the present invention provides a process for preparing said silanes in the apparatus of the invention.
    • 本发明涉及一种用于制备通式为其中n = 1,2,3和/或4的硅烷的硅烷的装置,其中n = 1,2,3和/或4通过 在基于具有塔底(1.1)和塔顶(1.2)的至少一个蒸馏塔(1),至少一个具有催化剂的侧反应器(2)的催化剂存在下,至少一种相对高度氯化的硅烷 床(3),至少一个进料入口(1.3),产品出口(1.4)和至少一个另外的出料产品(1.5或1.8),其中蒸馏塔(1)设置有至少一个烟囱托盘(4) ),并且至少一个侧反应器(2)经由至少三个管(5,6,7)连接到蒸馏塔(1),使得管线(5)到蒸馏塔( 用于排出来自烟囱式塔盘(4,4.1)的冷凝物的排放比催化剂床(3,3.1或3.2)的上边缘高的水平,排出管线(6) 来自侧反应器(2)的液相的边界向烟囱盘(4)下方的蒸馏塔(1)打开(6.1),该开口(6,6.1)处于比催化剂的上边缘低的水平 床(3,3.1或3.2)和用于从相关联的反应器(2)排出气相的管线(7)打开(7.1)进入烟囱式塔板(4.1)上方的蒸馏塔(1) (4)。 此外,本发明提供了在本发明的装置中制备所述硅烷的方法。