Cylindrical filters in a tube sheet for cleaning high temperature gases
    4.
    发明授权
    Cylindrical filters in a tube sheet for cleaning high temperature gases 失效
    用于清洁高温气体的管板中的圆柱形过滤器

    公开(公告)号:US5284498A

    公开(公告)日:1994-02-08

    申请号:US974414

    申请日:1992-11-12

    摘要: A filter assembly for high temperature gases, such as from a circulating fluidized bed reactor, mounts monolithic ceramic filter elements within an upright vessel so that as the hot gas flows from the top toward the bottom of the vessel the gas passes through the elements with the clean gas discharged through a side wall of the vessel. The particle discharge is provided at the bottom of the vessel. Filter supporting elements within the vessel are cooled by cooling fluid, and pulse cleaning elements are associated with each of the filter elements. Flow directing elements within the vessel typically define a generally conical or pyramidal shaped flow directing surface. The flow directing elements may be refractory material bodies, or funnel shaped thin elements (e.g. of metal capable of withstanding high temperature), and may be mounted so that small amounts of movement are possible to accommodate thermal contraction or expansion.

    摘要翻译: 用于高温气体的过滤器组件,例如来自循环流化床反应器,将整体式陶瓷过滤器元件安装在直立容器内,使得当热气体从容器的顶部向底部流动时,气体通过该元件 通过容器侧壁排出的清洁气体。 颗粒放电设置在容器的底部。 容器内的过滤器支撑元件由冷却流体冷却,并且脉冲清洁元件与每个过滤器元件相关联。 容器内的导流元件通常限定一个大致圆锥形或锥形的流动导向表面。 导流元件可以是耐火材料体或漏斗形的薄元件(例如能耐受高温的金属),并且可以安装成使得少量的运动可以适应热收缩或膨胀。

    Distributor plate for fluidized bed reactor
    5.
    发明授权
    Distributor plate for fluidized bed reactor 失效
    流化床反应器分配板

    公开(公告)号:US4841884A

    公开(公告)日:1989-06-27

    申请号:US200683

    申请日:1988-05-26

    CPC分类号: F23C10/20 B01J8/44 Y10S239/19

    摘要: In a fluidized bed reactor, nozzles are provided for distributing fluidizing gas from a windbox into the reactor while preventing the backflow of solid particles through the nozzle into the windbox. The nozzle defines an upper part of high heat and wear resistant material adapted to contact the mass of particles. At least one opening is defined in each nozzle through which fluidizing gas passes between the upper part and the windbox, and a solid, though porous, material abuts or defines the opening for allowing the passage of gas while preventing passage of solid particles. The nozzle may comprise a stand pipe having a sintered metal portion disposed below the upper part. Other constructions provide the solid mass as a metal wire mesh acid proof filter, or as a porous ceramic material, or as a high temperature ceramic material. The solid mass may have pores with a pore size of between about 50-1,000 micormeters. The solid mass may be defined by a pair of concentric adjacent porous ceramic tubes with different effective gas permeabilities. A horizontal solid metal ring may have openings in it, with the ring supported above the windbox so that gas can flow through the openings, the porous solid material sandwiched between the upper part and the ring.

    摘要翻译: 在流化床反应器中,提供喷嘴以将来自风箱的流化气体分配到反应器中,同时防止固体颗粒通过喷嘴回流到风箱中。 喷嘴限定了适于接触颗粒物质的高耐热和耐磨材料的上部。 在每个喷嘴中限定了至少一个开口,流化气体通过该喷嘴在上部和风箱之间通过,并且固体,尽管多孔的材料邻接或限定了允许气体通过同时防止固体颗粒通过的开口。 喷嘴可以包括具有设置在上部下方的烧结金属部分的立管。 其他结构提供固体物质作为金属丝网防酸过滤器,或作为多孔陶瓷材料,或作为高温陶瓷材料。 固体物质可以具有孔径在约50-1000微米之间的孔。 固体质量可以由具有不同有效气体渗透性的一对同心相邻的多孔陶瓷管限定。 水平的实心金属环在其中可以具有开口,其中环被支撑在风箱上方,使得气体可以流过开口,多孔固体材料夹在上部和环之间。

    Method and apparatus for treating high pressure particulate material
    6.
    发明授权
    Method and apparatus for treating high pressure particulate material 失效
    用于处理高压颗粒材料的方法和装置

    公开(公告)号:US06994497B1

    公开(公告)日:2006-02-07

    申请号:US10018804

    申请日:2000-06-19

    IPC分类号: B65G53/36

    摘要: An apparatus for pneumatically conveying particulate material containing reaction products of a high pressure reactor from a supply vessel at a pressure of at least two bar to a receiving vessel at a considerably lower pressure. The apparatus includes a conveyor line attached to the supply vessel, a collecting vessel between the conveyor line and the receiving vessel, the collecting vessel including (i) a discharge conduit for the carrier gas, (ii) a device for controlling the discharge velocity of the carrier gas from the collecting vessel, and (iii) a device for controlling the pressure of the material collected in the collecting vessel, and a device for conveying the material directly from the collecting vessel to the receiving vessel essentially at the same pressure as is prevailing in the receiving vessel.

    摘要翻译: 一种用于在至少两个巴的压力下将含有高压反应器的反应产物的供给容器的颗粒材料气动输送到接收容器的装置,所述装置在相当低的压力下。 该装置包括连接到供应容器的输送线,在输送线和接收容器之间的收集容器,收集容器包括(i)用于载气的排放管,(ii)用于控制排出速度的装置 来自收集容器的载气,和(iii)用于控制收集在收集容器中的材料的压力的装置,以及用于将材料直接从收集容器输送到接收容器的装置, 在接收船上盛行。

    Method and apparatus for binding pollutants in flue gas
    7.
    发明授权
    Method and apparatus for binding pollutants in flue gas 有权
    烟气中污染物的结合方法和装置

    公开(公告)号:US06290921B1

    公开(公告)日:2001-09-18

    申请号:US09433068

    申请日:1999-11-03

    IPC分类号: B01D5350

    摘要: A method of binding pollutants, such as sulfur dioxide, hydrochloric acid and/or hydrofluoric acid, in flue gas in one or more combustion plants. The method includes the steps of (a) combusting fuel in a furnace of the one or more combustion plants, resulting in the production of flue gas containing pollutants, (b) introducing at least one of calcium oxide, limestone and dolomite, for forming calcium oxide, into the furnace for binding pollutants in the flue gas in the furnace, (c) causing flue gas to flow through a flue gas channel and a venturi contact reactor which are dimensioned so to provide a desired division of the moistened ash of step (e) into a portion entrained with the flue gas and another portion falling down into the retention tank provided in the flue gas channel, to a dust separator, which separates ash containing unreacted calcium oxide from the flue gas, (d) conducting a portion of the ash separated from the flue gas in step (c) to a moistening device, which mixes water amounting up to 50% of the weight of the ash into the ash, (e) conducting ash moistened in step (d) to the contact reactor, to mix the moistened ash into the flue gas, (f) causing a first portion of the ash mixed into the flue gas in step (e) to (g) causing a second portion of the ash mixed into the flue gas in step (e) to fall down into the retention tank, (h) hydrating at least a portion of the calcium oxide in the ash to form calcium hydroxide in the retention tank, (i) causing the ash to dry out during the hydrating step (h) and (j) recycling at least a portion of the ash from the retention tank to at least one of the one or more combustion plants.

    摘要翻译: 在一个或多个燃烧设备中的烟道气中结合污染物质如二氧化硫,盐酸和/或氢氟酸的方法。 该方法包括以下步骤:(a)在一个或多个燃烧设备的炉中燃烧燃料,导致产生含有污染物的烟道气,(b)引入至少一种氧化钙,石灰石和白云石,以形成钙 氧化物进入炉中,用于结合炉内烟气中的污染物,(c)使烟道气流过烟道气通道和文丘里接触反应器,其尺寸设计成提供阶梯( e)进入与烟道气夹带的部分和落入设置在烟道气通道中的保留槽中的另一部分到灰尘分离器,灰尘分离器将含有未反应的氧化钙的灰分与烟道气分离,(d)将一部分 在步骤(c)中将灰分从烟道气分离到一个润湿装置,该装置将灰分重量的至多50%的水混合到灰分中,(e)将在步骤(d)中润湿的灰分送入接触反应器 ,混合滋润 (f)在步骤(e)至(g)中将灰分的第一部分混入烟道气中,使步骤(e)中混入烟气中的灰分的第二部分下降 (h)使灰分中的至少一部分氧化钙水合,以在保留罐中形成氢氧化钙,(i)在水合步骤(h)和(j)期间使灰分变干, 将至少一部分灰从所述保留罐回收到所述一个或多个燃烧设备中的至少一个。

    Method and apparatus for purifying flue gases
    9.
    发明授权
    Method and apparatus for purifying flue gases 失效
    净化烟气的方法和设备

    公开(公告)号:US5238657A

    公开(公告)日:1993-08-24

    申请号:US862380

    申请日:1992-04-02

    申请人: Reijo Kuivalainen

    发明人: Reijo Kuivalainen

    IPC分类号: B01D53/50 B01D53/74

    CPC分类号: B01D53/74 B01D53/504

    摘要: Nozzles are provided for spraying a wetting medium into the gas flow in an activating reactor. The nozzle comprises a nozzle body having a plurality of nozzles The nozzle body is surrounded by a flexible and/or porous casing and a conduit introduces a gaseous medium into the casing. The gas can be introduced in either pulses or continuously. The gas introduced in pulses causes the casing to change its form and, where a perforated or porous casing is used, the continuous gas flow forms a protective gas film around the casing, thus removing the solid material accumulated on the casing.

    摘要翻译: 提供喷嘴以在活化反应器中将润湿介质喷入气流中。 喷嘴包括具有多个喷嘴的喷嘴主体。喷嘴主体被柔性和/或多孔壳体围绕,并且导管将气体介质引入壳体中。 气体可以以任一脉冲或连续的方式引入。 以脉冲引入的气体使得壳体改变其形状,并且在使用穿孔或多孔壳体的情况下,连续的气流在壳体周围形成保护性气体膜,从而去除了积聚在壳体上的固体材料。