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    Process for thermally treating solids with high-oxygen gases, especially for pyrometallurgical applications
    3.
    发明授权
    Process for thermally treating solids with high-oxygen gases, especially for pyrometallurgical applications 失效
    用高氧气体对固体进行热处理的工艺，特别是用于火法冶金应用

    公开(公告)号：US4144051A

    公开(公告)日：1979-03-13

    申请号：US823856

    申请日：1977-08-11

    申请人： Martin Rahn ,  Lothar Reh ,  Bernd Thone ,  Karel Vydra

    发明人： Martin Rahn ,  Lothar Reh ,  Bernd Thone ,  Karel Vydra

    IPC分类号： C22B1/02 ,  C22B1/10 ,  C22B5/14 ,  F27B15/00 ,  C21B1/02

    CPC分类号： C22B1/10 ,  C22B5/14

    摘要： A process for thermally treating fine-grained solids with high-oxygen gases at temperatures at which the solids can form molten and gaseous reaction products comprises carrying out the thermal treatment in a cyclone chamber and thereafter conducting the gases from the cyclone chamber into a horizontal or vertical cooling chamber. The process can be used for the roasting of sulfide ores, ore concentrates and other metallurgical intermediate products. The outlet of the cyclone chamber through which the gases are removed lies approximately along the axis and cooling is carried out in the cooling chamber such that the molten droplets contained in the gas stream entering the latter are cooled in free flight below their solidification point in the gas, i.e., do not contact the walls of the cooling chamber until they are solidified at least along their surfaces.

    摘要翻译： 在固体可以形成熔融和气态反应产物的温度下用高氧气热处理细粒固体的方法包括在旋风室中进行热处理，然后将来自旋风室的气体导入水平或 垂直冷却室。 该工艺可用于焙烧硫化矿石，精矿和其他冶金中间体产品。 除去气体的旋风室的出口大致沿着轴线，并且在冷却室中进行冷却，使得包含在进入其中的气流中的熔融液体在自由飞行中冷却，使其低于其凝固点的温度 气体，即不要与冷却室的壁接触，直到它们至少沿其表面固化。

    Process of treating residues obtained by purification of exhaust gas
    4.
    发明授权
    Process of treating residues obtained by purification of exhaust gas 失效
    通过净化气体处理残留物的处理过程

    公开(公告)号：US5092929A

    公开(公告)日：1992-03-03

    申请号：US394607

    申请日：1989-08-16

    申请人： Harald Sauer ,  Bernd Thone

    发明人： Harald Sauer ,  Bernd Thone

    IPC分类号： F23J15/00 ,  B01D53/62 ,  B09B3/00

    CPC分类号： B01D53/62 ,  Y02C10/04 ,  Y02E20/326 ,  Y10S106/01

    摘要： For a treatment of the residues which become available as dry dust in the purification of exhaust gas and contain, inter alia, 5 to 12% by weight CaO and have a conductance in excess of 6000 .mu.S/cm, a process is proposed in which the residues are fluidized with purified exhaust gas in a circulating fluidized bed system consisting of a fluidized bed reactor, separator and recycling line and the CaO contained in the residues is reacted with the CO.sub.2 contained in the exhaust gases to form CaCO.sub.3.

    摘要翻译： 对于在废气净化中作为干粉尘获得的残留物的处理，尤其包含5至12重量％的CaO，并且具有超过6000μS/ cm的电导率，提出了一种方法，其中 在由流化床反应器，分离器和再循环管线组成的循环流化床系统中，残余物被净化废气流化，残余物中所含的CaO与废气中所含的CO 2反应形成CaCO 3。

    Process and apparatus for removing dust, sulfur compounds and nitrogen oxides from combustion exhaust gases
    5.
    发明授权
    Process and apparatus for removing dust, sulfur compounds and nitrogen oxides from combustion exhaust gases 失效
    从燃烧排气中去除灰尘，硫化物和氮氧化物的方法和装置

    公开(公告)号：US5219543A

    公开(公告)日：1993-06-15

    申请号：US803185

    申请日：1991-12-05

    申请人： Werner Weisweiler ,  Erhard Herrmann ,  Wolfgang Fennemann ,  Harald Sauer ,  Bernd Thone

    发明人： Werner Weisweiler ,  Erhard Herrmann ,  Wolfgang Fennemann ,  Harald Sauer ,  Bernd Thone

    IPC分类号： B01D53/60

    CPC分类号： B01D53/60

    摘要： The process of removing dust, sulfur compounds and nitrogen oxides from combustion exhaust gases, comprising mixing a combustion exhaust gas with ammonia; feeding Ca(OH).sub.2 and FeSO.sub.4 to a fluidized bed reactor containing mixed solids including fly ash, iron sulfates and calcium compounds, especially Ca(OH).sub.2, CaCO.sub.3, CaO, CaSO.sub.4 and CaSO.sub.3 ; supplying an ammonia-containing exhaust gas mixture to the fluidized bed reactor as a fluidizing gas; operating the fluidized bed reactor at a temperature between 300.degree. and 450.degree. C. to form a reacted exhaust gas; supplying the reacted exhaust gas to a multistage electrostatic precipitator having a first stage and additional stages; recycling solids collected in the first stage to the fluidized bed reactor; and recycling one portion of additional solids collected in the additional stages to the fluidized bed reactor and discharging another portion of the additional solids.

    摘要翻译： 从燃烧废气中除去灰尘，硫化合物和氮氧化物的过程，包括将燃烧废气与氨混合; 将Ca（OH）2和FeSO 4加入到包含飞灰，硫酸铁和钙化合物，特别是Ca（OH）2，CaCO 3，CaO，CaSO 4和CaSO 3的混合固体的流化床反应器中; 将作为流化气体的含氨废气混合物供给流化床反应器; 在300-450℃的温度下操作流化床反应器以形成反应废气; 将反应的废气供应到具有第一级和附加级的多级静电除尘器; 将在第一阶段收集的固体回收到流化床反应器; 并将在附加阶段收集的一部分附加固体回收到流化床反应器中并排出另外部分的附加固体。

    Process for removing pollutants from combustion exhaust gases
    6.
    发明授权
    Process for removing pollutants from combustion exhaust gases 失效
    从燃烧废气中去除污染物的工艺

    公开(公告)号：US5382418A

    公开(公告)日：1995-01-17

    申请号：US25355

    申请日：1993-03-01

    申请人： Bernd Thone ,  Gerhard Schmidt ,  Erhard Herrmann

    发明人： Bernd Thone ,  Gerhard Schmidt ,  Erhard Herrmann

    IPC分类号： B01D53/34 ,  B01D53/12 ,  B01D53/50 ,  B01D53/56 ,  B01D53/74 ,  B01D53/86 ,  B01D53/94 ,  B01J8/24 ,  C01B21/20

    CPC分类号： B01D53/74 ,  B01D53/12 ,  B01D53/508 ,  B01D53/56 ,  F23J2215/10 ,  F23J2215/20 ,  F23J2219/60

    摘要： At least one absorbent is added to the exhaust gas, which is passed at temperatures in the range from about 40.degree. to 500.degree. through a fluidized bed reactor and through dedusting means. Part of the solids separated in the dedusting means is recycled to the fluidized bed reactor. At least part of the recycled solids is blown with an entraining gas upwardly through a tube into the lower portion of the reactor. At least part of the combustion exhaust gas is fed to the reactor as a rising stream from a space which surrounds the tube. Air or combustion exhaust gas may be used, e.g., as an entraining gas.

    摘要翻译： 将至少一种吸收剂加入到排气中，废气通过流化床反应器并通过除尘装置在约40℃至500℃的温度范围内通入。 在除尘装置中分离的固体的一部分被再循环到流化床反应器中。 将至少部分回收的固体用引导气体向上吹入管中进入反应器的下部。 燃烧废气的至少一部分作为来自围绕管的空间的上升流被供给到反应器。 可以使用空气或燃烧废气，例如作为夹带气体。

    Process for catalytically reducing nitrogen oxides in combustion exhaust gases
    7.
    发明授权
    Process for catalytically reducing nitrogen oxides in combustion exhaust gases 失效
    催化还原燃烧废气中氮氧化物的方法

    公开(公告)号：US5370850A

    公开(公告)日：1994-12-06

    申请号：US135299

    申请日：1993-10-12

    申请人： Bernd Thone ,  Gerhard Schmidt

    发明人： Bernd Thone ,  Gerhard Schmidt

    IPC分类号： B01D53/86 ,  B01J27/053 ,  B01J8/00 ,  C01B21/00

    CPC分类号： B01D53/8628 ,  B01J27/053

    摘要： A combustion exhaust gas which is to be dedusted and denitrated is mixed with NH.sub.3 and at temperatures in the range of about 250.degree. to 600.degree. C. is passed through a fluidized bed. The fluidized bed contains a denitrating catalyst, which contains FeSO.sub.4. The combustion exhaust gas serves as a fluidizing gas in the fluidized bed. Fresh denitrating catalyst is supplied to the fluidized beg and comprises at least 90% by weight FeSO.sub.4, which contains water of crystallization and has particle size in the range from 1 to 150 micrometers. The treated exhaust gas is dedusted in an electrostatic precipitator.

    摘要翻译： 将要除尘和脱硝的燃烧废气与NH 3混合，并且在约250℃至600℃的温度范围内通过流化床。 流化床含有含有FeSO 4的脱硝催化剂。 燃烧废气用作流化床中的流化气体。 将新鲜的脱硝催化剂供应到流化乞料中，并包含至少90重量％的FeSO 4，其含有结晶水并且具有在1至150微米范围内的粒度。 经处理的废气在静电除尘器中除尘。