Method and apparatus for filtering hot syngas
    2.
    发明授权
    Method and apparatus for filtering hot syngas 有权
    用于过滤热合成气的方法和装置

    公开(公告)号:US6077490A

    公开(公告)日:2000-06-20

    申请号:US271741

    申请日:1999-03-18

    摘要: A method and apparatus for filtering oxidizable particles from hot synthesis gas or syngas uses a pair of candle filters each having an inlet side for receiving the hot unfiltered syngas to be filtered, and an outlet side for discharging hot filtered syngas. One housing contains both filters or a separate housing is provided for each filter. Each housing has an inlet for receiving hot unfiltered syngas and for supplying the hot unfiltered syngas to each of the filter inlet sides. Each housing also has an outlet for discharging hot filtered syngas from each of the filter outlet sides. Air is supplied to each housing for supplying combustion air alternately to each of the candle filters for burning oxidizable particles trapped on each respective filter to clean each filter while the other filter is filtering the hot unfiltered syngas. One or more switching valves are connected to the combustion air supplies for alternating the supply of combustion air between the candle filters.

    摘要翻译: 用于从热合成气或合成气中过滤可氧化颗粒的方法和设备使用一对蜡烛过滤器,每个蜡烛过滤器具有用于接收待过滤的热未经过滤的合成气的入口侧和用于排出热过滤的合成气的出口侧。 一个外壳包含两个过滤器,或为每个过滤器提供单独的外壳。 每个壳体具有用于接收热的未过滤的合成气的入口,并用于将热的未过滤的合成气供应到每个过滤器入口侧。 每个壳体还具有用于从每个过滤器出口侧排出热过滤的合成气的出口。 向每个壳体供应空气以将燃烧空气交替地供应到每个蜡烛过滤器,用于燃烧捕获在每个相应过滤器上的可氧化颗粒,以清洁每个过滤器,而另一个过滤器过滤热的未过滤的合成气。 一个或多个切换阀连接到燃烧空气供应源,用于交替在蜡烛过滤器之间供应燃烧空气。