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    • 75. 发明授权
    • Method for selective removal of hydrogen sulphide and CO2 from crude gas
    • 从粗气体中选择性除去硫化氢和二氧化碳的方法
    • US07604684B2
    • 2009-10-20
    • US10550251
    • 2004-03-24
    • Johannes Menzel
    • Johannes Menzel
    • B01D53/14
    • C10L3/102B01D53/1406B01D53/1425B01D53/1462C01B3/52C01B2203/0415C01B2203/0485C10L3/10Y02P20/152
    • With the help of a method of selective removal of hydrogen sulphides, organic sulphur components and CO2 from crude gases, by using a first and second absorption stage (41 or 49) for separating almost pure CO2, a solution has to be found, with which, among other things, hydrogen sulphides and organic sulphur compounds can be removed in as selective a manner as possible.This is achieved as follows: the absorption agent coming out of the first absorption stage (41) and enriched with hydrogen sulphide and CO2 a.o., is pre-heated to an increased pressure with the hot-regenerated solution (12) coming from the desorption stage (50) in a heat exchanger (44), and then at the selected higher pressure de-stressed in a high pressure flash container (47), whereby the gas flow released at the increased pressure is cooled in a condenser (48) and then guided to the second absorption stage (49), in which the sulphur components are completely removed with the help of a part-flow of the regenerated absorption agent (15, 16, 17) coming from the desorption stage (50), whereby the absorption agent is guided back (26/27) from the second absorption stage (49) into the desorption stage (50).
    • 借助于通过使用第一和第二吸收级(41或49)分离几乎纯的二氧化碳来选择性地除去硫化氢,有机硫组分和二氧化碳的方法,必须找到一种溶液 除其他外,硫化氢和有机硫化合物可以以尽可能选择的方式去除。 这实现如下:从第一吸收阶段(41)出来并且富含硫化氢和CO 2 ao的吸收剂被预热到增加的压力,热再生溶液(12)来自解吸阶段 (50)在热交换器(44)中,然后在所选择的较高压力下在高压闪蒸容器(47)中被去应力,由此在增压下释放的气流在冷凝器(48)中冷却,然后 引导到第二吸收阶段(49),其中通过来自解吸阶段(50)的再生吸收剂(15,16,17)的部分流动完全除去硫成分,由此吸收 试剂从第二吸收阶段(49)引导回(26/27)至解吸阶段(50)。
    • 77. 发明申请
    • Process for Enhancement of the Selectivity of Physically Acting Solvents Used for the Absorption of Gas Components from Industrial Gases
    • 用于从工业气体吸收气体成分的物理作用溶剂的选择性的增强方法
    • US20080314801A1
    • 2008-12-25
    • US11883522
    • 2006-01-12
    • Johannes Menzel
    • Johannes Menzel
    • C10G5/00
    • C10K1/16C10J3/82
    • The invention relates to a method for recovering absorbed hydrocarbon components while absorbing acid gases from technical gases, as for example a natural gas, by means of physically active absorption agents, wherein the inventive method consists in increasing the pressure of a loaded absorption agent extracted from an adsorption device, in adding said loaded absorption agent to the top of a rectification column which consist of a lower feeding stove and of one or several lateral stoves operating at a pressure slightly greater than the absorption column pressure, in adjusting an equilibrium is said rectification column in such a way that the acid gas concentration in the absorbent agent increases in the direction away from the bottom of the column and the hydrocarbon concentration decreases in said direction, in extracting a heated hydrocarbon-poor and acid gas component-rich absorption agent from the bottom of the column and in transferring said agent to an acid gas desorption device, in extracting a hydrocarbon-poor and acid gas component-rich recycling gas from the top of the rectification column, in cooling said recycling gas in a recycling gas cooler to a temperature of a service gas directed in the absorption device and in transferring said recycling gas directly to the absorption device or in mixing it with the service gas.
    • 本发明涉及一种通过物理活性吸收剂从工业气体(例如天然气)中吸收酸性气体而回收吸收的烃成分的方法,其中本发明的方法包括提高从 在调节平衡时,将所述负载的吸收剂添加到精馏塔的顶部,其中所述精馏塔由下供料炉和在稍高于吸收塔压力的压力下操作的一个或几个侧面炉中加入, 柱,使得吸收剂中的酸性气体浓度沿远离塔底的方向增加,并且烃浓度在所述方向上降低,在将加热的贫烃和富含酸性气体成分的吸收剂从 在塔的底部并将所述试剂转移到酸性气体解吸装置中, 在从精馏塔的顶部提取不含贫烃和酸性气体成分的再循环气体的同时,将回收气体冷却器中的再循环气体冷却至指向吸收装置的工作气体的温度,并且将所述再循环气体 直接与吸收装置或将其与服务气体混合。
    • 79. 发明申请
    • Protective shield for a free-cutting tool
    • 防切割工具
    • US20070022614A1
    • 2007-02-01
    • US11487381
    • 2006-07-17
    • Helmut ZimmermannRoland SchierlingJohannes MenzelKai-Ulrich Machens
    • Helmut ZimmermannRoland SchierlingJohannes MenzelKai-Ulrich Machens
    • B26B29/02
    • A01D34/828A01D34/4167A01D34/90
    • A protective shield (2) is provided for a free-cutting tool (1). The free-cutting tool has a cutterhead (4) rotatable about a rotational axis (3) and carries a cutting filament (5). For a rotating cutterhead (4), the cutting filament (5) rotates in a rotational direction (10), aligns itself approximately radially to the rotational axis (3) and defines a cutting circle (6) having a constructively pregiven nominal radius (R). The cutting radius (6) is at least partially covered by the protective shield (2). A cut-to-length knife (7) having a cutting edge (8) for cutting the cutting filament (5) to length is mounted on the protective shield (2) in the peripheral region thereof. The cut-to-length knife (7) is mounted on the protective shield (2) to be moveable back and forth between a cutting position (11) and a rest position (12). The cutting edge (8) lies in the plane of the cutting circle (6) in the cutting position (11) and has the nominal radius (R) to the rotational axis (3) and, in the rest position (12), the cutting edge (8) lies outside of the cutting circle (6).
    • 为自由切削工具(1)提供防护罩(2)。 自由切割工具具有可围绕旋转轴线(3)旋转并且承载切割细丝(5)的刀架(4)。 对于旋转的刀架(4),切割细丝(5)沿旋转方向(10)旋转,其自身大致径向对齐于旋转轴线(3)并且限定具有建设性预制的标称半径(R )。 切割半径(6)至少部分地被保护罩(2)覆盖。 具有用于将切割细丝(5)切割成长度的切割刃(8)的切割刀(7)安装在其周边区域中的防护罩(2)上。 切割刀(7)安装在防护罩(2)上,以在切割位置(11)和静止位置(12)之间来回移动。 切割刃(8)位于切割位置(11)中的切割圆(6)的平面中,并且具有到旋转轴线(3)的标称半径(R),并且在静止位置(12)中 切割刃(8)位于切割圆(6)的外侧。