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公开(公告)号：US4013455A
公开(公告)日：1977-03-22
申请号：US550016
申请日：1975-02-14
申请人： Ulrich Kleeberg , Jurgen Leimkuhler
发明人： Ulrich Kleeberg , Jurgen Leimkuhler
CPC分类号： B01D50/00 , B01D53/34 , Y10S261/09
摘要： A nonferrous metal is heated so as to produce a hot gas that is passed through an evaporative-cooler and, without saturation of the gas, is introduced into a dry-process filter where particulate material is removed. Thereafter this gas is fed to a scrubbing tower whose scrubbing liquid removes gaseous, liquid, and any remaining particulate material from the gas and exits from the tower as a scrubbing liquor. This liquor is clarified and the decantate is recirculated for use as the scrubbing liquid while the sludge is neutralized and sent back to the evaporative cooler. The neutralized sludge is flash evaporated in the evaporative cooler so as to form crystals that are removed from the system either in this cooler or at the dry filter downstream therefrom. A particle filter may be provided between the neutralizer and the evaporative cooler to remove any hard particulate material from the neutralized sludge.
摘要翻译： 加热有色金属，以产生通过蒸发冷却器的热气体，并且不将气体饱和引入干法过滤器中，其中除去颗粒物质。 此后，将该气体送入洗涤塔，其洗涤液从气体中除去气体，液体和任何剩余的颗粒物质，并作为洗涤液从塔中排出。 澄清这种液体，并且将滗析物再循环用作洗涤液体，同时污泥被中和并送回蒸发冷却器。 将中和的污泥在蒸发冷却器中快速蒸发，以形成在该冷却器中或在其下游的干燥过滤器中从系统中除去的晶体。 可以在中和器和蒸发冷却器之间提供颗粒过滤器以从中和的污泥中除去任何硬颗粒材料。
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公开(公告)号：US4533522A
公开(公告)日：1985-08-06
申请号：US539614
申请日：1983-10-06
申请人： Jurgen Leimkuhler
发明人： Jurgen Leimkuhler
CPC分类号： B01D53/501
摘要： A rotary heat exchanger surmounts a scrubbing tower provided with two scrubbing columns through which the flue gas of fossil fuel combustion is passed in succession so that the rotary heat storage mass of the regenerative heat exchanger is heated by the incoming flue gas and the flue gas cooled in the scrubbing columns is reheated by the rotary heat storage mass as it leaves the tower.
摘要翻译： 旋转式热交换器包括设有两个洗涤塔的洗涤塔，化石燃料燃烧的烟气通过该洗涤塔连续通过，使再生热交换器的旋转储热体被进入的烟道气加热并将烟道气冷却 当洗涤塔离开塔时，由旋转储热体重新加热。
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公开(公告)号：US4064212A
公开(公告)日：1977-12-20
申请号：US593670
申请日：1975-07-07
CPC分类号： C04B18/062 , B01D53/34 , Y02W30/92
摘要： Waste gas from a coal-fired power plant is scrubbed with a lime-water mixture to form a sludge whose water content is reduced and which is mixed with a binder such as water glass. This mixture is then pelletized to produce hard water-stable material suitable for use as an aggregate or filler. The waste gas may be stripped of its fly ash and this ash added to the sludge to thicken it.
摘要翻译： 来自燃煤发电厂的废气用石灰水混合物洗涤，形成含水量减少并与粘结剂如水玻璃混合的污泥。 然后将该混合物造粒以制备适合用作骨料或填料的硬水稳定材料。 废气可能被其粉煤灰除去，并将灰分加入到污泥中以使其变稠。
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公开(公告)号：US4050871A
公开(公告)日：1977-09-27
申请号：US687391
申请日：1976-05-17
CPC分类号： B01D53/34 , C04B18/062 , Y02W30/92 , Y10S425/009 , Y10S425/201
摘要： Waste gas from a coal-fired power plant is scrubbed with a lime-water mixture to form a sludge whose water content is reduced and which is mixed with a binder such as water glass. This mixture is then pelletized to produce hard water-stable material suitable for use as an aggregate or filler. The waste gas may be stripped of its fly ash and this ash added to the sludge to thicken it.
摘要翻译： 来自燃煤发电厂的废气用石灰水混合物洗涤，形成含水量减少并与粘结剂如水玻璃混合的污泥。 然后将该混合物造粒以制备适合用作骨料或填料的硬水稳定材料。 废气可能被其粉煤灰除去，并将灰分加入到污泥中以使其变稠。
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公开(公告)号：US4019444A
公开(公告)日：1977-04-26
申请号：US550013
申请日：1975-02-14
IPC分类号： B01D50/00 , B01D47/06 , B01D51/00 , B01D51/10 , B01D53/34 , F23G5/50 , F23J15/00 , F23J15/04 , F23B1/00
CPC分类号： F23G5/50 , B01D47/06 , B01D53/34 , F23J15/00 , F23G2207/102 , Y10S261/09 , Y10S423/18
摘要： An incinerator gas is first passed through an evaporative cooler operating above the dew point of the gas and then the gas is passed through an electrostatic precipitator or cyclone which strips dry particles from the gas. Thereafter the gas passes through a scrubber operating with a scrubbing liquid so as to produce a solution that is fed to a clarifier. The decantate from the clarifier is recirculated as the scrubbing liquid whereas the sludge is neutralized and fed back into the evaporative cooler. Flash evaporation of this neutralized sludge in the cooler causes salt to crystalize so that these crystals can be stripped out at the downstream dry filter. A valve body at the outlet side of the scrubber is positioned in accordance with gas pressure inside the incinerator so as to maintain back pressure within the system substantially uniform.
摘要翻译： 首先将焚烧炉气体通过在气体露点以上运行的蒸发冷却器，然后使气体通过静电除尘器或旋风分离器，其从气体中分离干燥颗粒。 此后，气体通过用洗涤液操作的洗涤器，以产生供给澄清池的溶液。 来自澄清器的倾析物作为洗涤液再循环，而污泥被中和并反馈回蒸发冷却器。 冷却器中的这种中和的污泥的闪蒸使得盐结晶，从而可以在下游的干式过滤器上将这些晶体去除。 洗涤器出口侧的阀体根据焚烧炉内的气体压力定位，以保持系统内的背压基本均匀。
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