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    Process of producing sulfuric acid
    1.
    发明授权
    Process of producing sulfuric acid 失效
    硫酸生产工艺

    公开(公告)号：US4333917A

    公开(公告)日：1982-06-08

    申请号：US119289

    申请日：1980-02-07

    申请人： Karl H. Dorr ,  Helmut Diekmann ,  Hugo Grimm ,  Ulrich Sander ,  Michael Tacke ,  Waldemar Weber

    发明人： Karl H. Dorr ,  Helmut Diekmann ,  Hugo Grimm ,  Ulrich Sander ,  Michael Tacke ,  Waldemar Weber

    IPC分类号： C01B17/56 ,  C01B17/74 ,  C01B17/76 ,  C01B17/765 ,  B01D3/00 ,  C01B17/48 ,  C01B17/98

    CPC分类号： C01B17/76 ,  C01B17/56 ,  C01B17/7655

    摘要： A process for the production of sulfuric acid from wet sulfur dioxide containing gases is disclosed. The sulfur dioxide containing gas is initially purified and cooled, then predried with dilute sulfuric acid, finally dried with concentrated sulfuric acid, converted to sulfur trioxide catalytically and, the sulfur trioxide is absorbed in sulfuric acid. Preliminary drying removes more water than needed to maintain the water balance in the following process steps. A portion of the dilute acid from the preliminary drying is concentrated prior to recycle to the preliminary drying step and another portion of the acid from the preliminary dryer is added to the sulfur trioxide absorber to adjust the water balance in the acid circulating between the final dryer and the sulfur trioxide absorber.

    摘要翻译： 公开了一种从含有二氧化硫的气体生产硫酸的方法。 含二氧化硫的气体最初被纯化和冷却，然后用稀硫酸预干燥，最后用浓硫酸干燥，催化转化成三氧化硫，三氧化硫被吸收在硫酸中。 初步干燥除了在以下工艺步骤中维持水分平衡所需的更多的水。 将预备干燥中的一部分稀酸在再循环到预干燥步骤之前进行浓缩，并将另一部分来自预干燥器的酸加入到三氧化硫吸收器中以调节在最终干燥器之间循环的酸中的水分平衡 和三氧化硫吸收剂。

    Catalytic reactor having annular catalyst tray means
    3.
    发明授权
    Catalytic reactor having annular catalyst tray means 失效
    具有环状催化剂托盘装置的催化反应器

    公开(公告)号：US3963423A

    公开(公告)日：1976-06-15

    申请号：US488137

    申请日：1974-07-12

    申请人： Karl Heinz Dorr ,  Waldemar Weber ,  Hugo Grimm ,  Gustav Rowedder

    发明人： Karl Heinz Dorr ,  Waldemar Weber ,  Hugo Grimm ,  Gustav Rowedder

    IPC分类号： C01B17/765 ,  B01J8/02 ,  B01J8/04 ,  C01B17/80 ,  C01B17/68

    CPC分类号： C01B17/803 ,  B01J8/0469 ,  B01J8/0473 ,  B01J8/0496 ,  B01J2208/00194 ,  B01J2208/021

    摘要： A catalytic reactor for converting sulfur dioxide to sulfur trioxide, suitable for high throughput rates of up to about 500,000 standard cubic meters per hour. The reactor includes a plurality of separate reaction chambers each containing catalyst trays connected in parallel in the gas flow path. The catalyst trays define gas spaces and alternate gas spaces are provided with inlets for supplying a partial stream of the sulfur dioxide containing gases which are divided in the gas spaces. The gas spaces adjacent to the gas spaces provided with inlets are provided with outlets for withdrawing partial streams of the gases which have passed through the catalyst trays.

    摘要翻译： 用于将二氧化硫转化为三氧化硫的催化反应器，适用于高达每小时约500,000标准立方米的高通量。 反应器包括多个单独的反应室，每个反应室包含在气体流路中并联连接的催化剂塔板。 催化剂托盘限定气体空间，交替的气体空间设置有用于供应分配在气体空间中的含二氧化硫气体的部分流的入口。 与设置有入口的气体空间相邻的气体空间设置有用于抽出已经通过催化剂塔盘的气体的部分气流的出口。

    Switchgear unit for switching high DC voltages
    4.
    发明授权
    Switchgear unit for switching high DC voltages 有权
    用于切换高直流电压的开关柜

    公开(公告)号：US08766760B2

    公开(公告)日：2014-07-01

    申请号：US13537918

    申请日：2012-06-29

    申请人： Waldemar Weber ,  Klaus Werner ,  Hubert Harrer ,  Wolfgang Schmidt

    发明人： Waldemar Weber ,  Klaus Werner ,  Hubert Harrer ,  Wolfgang Schmidt

    IPC分类号： H01H85/00 ,  H01H71/20 ,  H01H85/02

    CPC分类号： H01H9/32 ,  H01H37/761 ,  H01H71/122 ,  H01H83/10

    摘要： A switchgear unit switches high DC voltages, particularly for interrupting of direct current between a direct current source and an electrical device. The switchgear unit contains two connections which project from a housing and which are electrically conductively coupled by a conductor path, a contact system which is arranged between the first and second connections and an isolating apparatus that can be tripped by a thermal fuse. The thermal fuse contains a melting location which is arranged in the conductor path and which is connected first to the contact system and second via a moving conductor section to the first connection. The isolating apparatus is tripped and the connection between the conductor section and the contact system is broken at the melting location when an arc produced when the contact system is opened has caused the melting temperature of the melting location to be reached or exceeded.

    摘要翻译： 开关柜单元切换高直流电压，特别是用于中断直流电源和电气设备之间的直流电。 开关装置包含从外壳突出并且通过导体路径导电耦合的两个连接，设置在第一和第二连接之间的接触系统以及可被热熔断器跳闸的隔离装置。 热熔丝包含布置在导体路径中的熔化位置，其首先连接到接触系统，而第二通过移动导体部分连接到第一连接。 当接触系统打开时产生的电弧导致熔化位置的熔化温度达到或超过，隔离装置跳闸，并且导体部分和接触系统之间的连接在熔化位置断裂。