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    • 2. 发明授权
    • Process and apparatus for sulphuric acid production
    • 硫酸生产工艺和设备
    • US08951494B2
    • 2015-02-10
    • US13698560
    • 2011-05-13
    • Martin MøllerhøjMads LykkeMorten ThellefsenPeter Schoubye
    • Martin MøllerhøjMads LykkeMorten ThellefsenPeter Schoubye
    • C01B17/69C01B17/765
    • C01B17/765
    • A process for the conversion of sulphur dioxide contained in a feed gas to sulphur trioxide, comprising the steps of a) alternatingly providing a first feed gas containing a high concentration of sulphur dioxide and a second feed gas containing a low concentration of sulphur dioxide as a process gas, b) preheating the process gas by heat exchange with a heat exchange medium, c) reacting the process gas in the presence of a catalytically active material in a catalytic reaction zone, d) converting at least in part the sulphur dioxide of the process gas into sulphur trioxide contained in a product gas in the catalytic reaction zone, e) cooling the product gas by contact with a heat exchange medium, wherein a thermal buffer zone is provided in relation to one of said process steps, providing thermal energy produced during super-autothermal operation for heating the process gas during sub-autothermal operation.
    • 一种将进料气体中所含的二氧化硫转化为三氧化硫的方法,包括以下步骤:a)交替地提供含有高浓度二氧化硫的第一进料气体和含有低浓度二氧化硫的第二进料气体作为 工艺气体,b)通过与热交换介质进行热交换来预热工艺气体,c)在催化反应区中催化活性材料存在下使工艺气体反应,d)至少部分地将二氧化硫 将催化反应区中产物气体中所含的三氧化硫气体加工成三氧化硫,e)通过与热交换介质接触来冷却产物气体,其中相对于所述工艺步骤之一提供热缓冲区,提供产生的热能 在超自热操作期间,在亚热自动加热过程中加热工艺气体。
    • 6. 发明授权
    • Process for selective reduction of NOx in exhaust gas
    • 选择性还原废气中NOx的方法
    • US06074619A
    • 2000-06-13
    • US38956
    • 1998-03-12
    • Peter Schoubye
    • Peter Schoubye
    • B01D53/94B01J21/04B01J21/06B01J21/08B01J21/10B01J23/06B01J23/745B01J35/02F01N3/20F01N3/28C01B21/00
    • F01N3/2066B01D53/9431F01N3/2892F01N2610/02Y02T10/24
    • A process for selective catalytic reduction of NOx in exhaust gases at temperatures of 200-600.degree. C. A spray of droplets containing a reductant is injected into a duct through an atomizing nozzle and into an exhaust gas. The exhaust gas, loaded with the spray droplets, is passed through the spaces between the plates of a series of stacks of parallel plates. The plates of each stack in the series are positioned at an angle relative to the walls of the gas duct and any adjacent stack, forcing the exhaust gas to pass through the stacks in a zig-zag flow pattern. After passing through the last stack, the exhaust gas then passes through a layer of monolithic catalyst for selective reduction of NOx by NH.sub.3 with channels parallel to the walls of the duct. Substantially all the spray droplets impinge on the walls of the plates, and the diameter of the droplets are larger than the critical diameter at which they are caused to touch the walls each time the direction of gas-flow is deflected upon passing through the stacks.
    • 在200-600℃的温度下选择性催化还原废气中的NOx的方法。含有还原剂的液滴喷雾通过雾化喷嘴注入管道并进入废气。 装载有喷雾液滴的废气通过一系列平行板的板之间的空间。 串联中的每个堆叠的板相对于气体管道的壁和任何相邻的堆叠以一定角度定位,迫使排气以锯齿状流动模式通过堆叠。 在通过最后的堆叠之后,废气然后通过一层整体式催化剂,用于通过平行于管道壁的通道的NH 3选择性还原NOx。 基本上所有的喷雾液滴都撞击到板的壁上,并且液滴的直径大于每当通过堆叠时气体流动的方向偏转时使其与壁接触的临界直径。
    • 7. 发明授权
    • Method for furnishing glass tube with internal glass spiral
    • 玻璃管内装玻璃螺旋的方法
    • US5639288A
    • 1997-06-17
    • US575990
    • 1995-12-21
    • Peter Schoubye
    • Peter Schoubye
    • F28F1/40C03B23/04C03B23/207C03B23/057C03B23/13
    • F28F21/006C03B23/207F28F13/12
    • A method to provide a glass tube with an internal glass spiral being formed from a straight glass rod and fastened to the internal wall of the glass tube by merging the glass rod with the glass wall in the line of contact between the glass wall and the spiral wherein the glass rod is conducted into the glass tube through a guiding tube placed inside the glass tube at a velocity v.sub.1 relative to the guiding tube, the guiding tube being provided with a heating zone at its front end inside the glass tube, the glass rod being heated to its softening point in the heating zone before leaving the guiding tube through a mouth piece, at the same time the glass tube and/or the guiding tube being rotated at a frequency n, and the glass tube being moved at a velocity v.sub.2 relative to the guiding tube.
    • 一种提供具有内玻璃螺旋的玻璃管的方法,该玻璃管由直玻璃棒形成,并通过玻璃棒与玻璃壁之间的玻璃壁与螺旋线之间的接触接合而将其固定在玻璃管的内壁上 其中所述玻璃棒通过相对于所述导向管以相对于所述导向管的速度v1放置在所述玻璃管内的引导管引导到所述玻璃管中,所述引导管在其玻璃管内的前端设置有加热区,所述玻璃棒 在通过口件离开引导管之前加热到加热区的软化点,同时玻璃管和/或引导管以n频率旋转,玻璃管以速度v2移动 相对于引导管。
    • 10. 发明授权
    • Process for concentration of sulphuric acid
    • 硫酸浓缩方法
    • US6090364A
    • 2000-07-18
    • US976312
    • 1997-11-21
    • Peter Schoubye
    • Peter Schoubye
    • C01B17/88C01B17/69
    • C01B17/88
    • The present invention provides a process for concentrating sulphuric acids with concentrations of 90% to 98% H.sub.2 SO.sub.4 and temperatures of 160.degree. C. to 270.degree. C. into sulphuric acid with concentrations of 96% to 98.8% H.sub.2 SO.sub.4 by contacting the acid countercurrently in a packed tower with hot air or with hot process gas containing up to 6% SO.sub.3 and up to 30% H.sub.2 O and with inlet temperatures to the tower of 350.degree. C to 600.degree. C. The H.sub.2 O and H.sub.2 SO.sub.4 evaporated in the tower is contained in a stream of offgas from which the H.sub.2 SO.sub.4 thereafter is removed by controlled condensation The invention relates, in particular, to concentrating the product acid from wet gas sulphuric acid plants in which condensation of H.sub.2 SO.sub.4 takes place in the presence of excess H.sub.2 O in the process gas in air cooled, vertical glass tubes.
    • 本发明提供了一种将浓度为90%至98%的H 2 SO 4和160至270℃的硫酸浓缩成浓度为96%至98.8%的H 2 SO 4的硫酸的方法,其通过将酸逆向接触 填充塔用热空气或含有高达6%SO 3和高达30%H 2 O的热处理气体,并且塔的入口温度为350℃至600℃。在塔中蒸发的H 2 O和H 2 SO 4含有 通过控制的冷凝从其中除去H 2 SO 4的废气流本发明特别涉及浓缩来自湿气硫酸设备的产物酸,其中在空气中的过程气体中存在过量H 2 O时发生H 2 SO 4的冷凝 冷却,垂直玻璃管。