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    • 4. 发明申请
    • MOVING BED REACTOR
    • 移动床反应器
    • WO1987000768A1
    • 1987-02-12
    • PCT/EP1986000435
    • 1986-07-23
    • GROCHOWSKI, Horst
    • B01J08/12
    • B01D53/08B01D46/34B01D53/86B01D2253/102B01D2253/108B01D2253/116B01D2259/40081B01J8/12
    • Moving bed reactor in which a bulk material (10) migrates downward and a fluid flows upward, with an inflow floor (16) above the fluid feed tube (14) with, in particular, louvre-type cones/channels (17) with openings (18) for the extraction of the bulk material and a bulk material distribution flow (28) above the fluid outlet tube (15) with metering openings (29). Uniform fluid flow and extraction of the bulk material particles are made possible without interrupting the fluid flow, by the fact that bulk material extraction tubes/shafts (23) are applied to the cones/channels (17), and are routed through a fluid-tight floor (24) arranged under the fluid feed tube (14), defining an inflow box (25), and that, applied to the metering openings (29), are bulk material metering tubes/shafts (30) defining an outflow space (33), whose lower outlet openings, ending at the same distance above the inflow floor (16), define the discharge cone points (32) of the migrating layer (34), and the bulk material metering tubes/shafts (30) open, in the migrating direction of the bulk material (10), above the points/ridges of the roofs (22) of the inflow floor (16).
    • 7. 发明申请
    • ECONOMIC RECOVERY AND UTILIZATION OF BOILER FLUE GAS POLLUTANTS
    • 锅炉燃气污染物的经济恢复与利用
    • WO1989008498A1
    • 1989-09-21
    • PCT/US1989000926
    • 1989-03-07
    • JOHNSON, Arthur, F.SACKETT, Robert, L.
    • B01J08/12
    • B01D53/508B01D53/8631B01J8/12C01F11/464Y02P20/584
    • Method and apparatus for removing unwanted pollutants from flue gas are disclosed. A scrubbing device having a sequence of at least three vertical beds of particulate material (106, 108, 110) is disposed in a flue gas exhaust duct (20). A first bed comprises boiler ash or sand. Lime in the fly ash reacts with sulfuric acid and water in the flue gas to form gypsum, removing the fly ash in the flue gas. In the second bed, sulfuric acid is condensed and removed on a further bed of boiler ash. In the third bed, a catalyst, typically, an activated aluminous particulate with an alkali coating thereon, provided by the addition of ammonia to the flue gas contacts the gas being treated. The catalyst can then be regenerated. This scrubbing device is readily retrofittable into pre-existing power plants burning sulfur containing coal.
    • 公开了从废气中去除不需要的污染物的方法和装置。 具有至少三个颗粒材料垂直床序列(106,108,110)的擦洗装置设置在烟道气排放管道(20)中。 第一张床包括锅炉灰或沙子。 飞灰中的石灰与烟气中的硫酸和水反应形成石膏,除去烟道气中的飞灰。 在第二床中,将硫酸在另外的锅炉灰床上冷凝并除去。 在第三床中,通过向烟道气中加入氨提供的催化剂,通常为其上具有碱性涂层的活化的铝质颗粒与待处理的气体接触。 然后可以再生催化剂。 该洗涤装置易于改装成燃烧含硫煤的预先存在的发电厂。
    • 8. 发明申请
    • COUNTERCURRENT GAS-SOLID CONTACTING
    • 对流气固接触
    • WO1995013866A1
    • 1995-05-26
    • PCT/AU1994000706
    • 1994-11-16
    • COMALCO ALUMINIUM LIMITEDWELLWOOD, Grant, A.GROSZEK, Martin, A.LIDDY, Matthew, John
    • COMALCO ALUMINIUM LIMITED
    • B01J08/12
    • C25C3/22B01D53/08B01D53/261B01D2253/104B01D2257/2047B01D2257/80B01D2259/40081B01J8/28
    • An apparatus (50) for contacting a gas stream (62) with solid particulate material includes two contacting zones (58, 60). Sets of angled blades (54, 56) cause gas flowing through the contacting zones (58, 60) to have a swirling circumferential velocity. Solid particulate material is fed from hopper (70) via line (72) to the upper contacting zone (56), in which the swirling gas flow causes a turbulent band of particles (60) to form. Contact between the gas and the solid occurs in this band of particles. Overflow of particles from band (74) flows down conduits (76, 77) and into lower contacting zone (58). The swirling gas flow in contacting zone (58) causes a turbulent band of particles (78) to be established. The gas stream enters at conduit (62) and travels through the turbulent band of particles (78) in the lower contacting zone (58). The gas then passes through restriction (66), through the turbulent band of particles (74) in upper contacting zone (60) and then leaves the apparatus (50) via outlet (68). Solid is removed from the lower contacting zone (58) via conduits (82, 84). The apparatus allows for counter-current gas-solid contacting and is particularly suitable for use in gas scrubbing operations.
    • 用于使气流(62)与固体颗粒材料接触的装置(50)包括两个接触区(58,60)。 成角度的叶片(54,56)使气体流过接触区域(58,60)以具有旋转圆周速度。 固体颗粒材料从料斗(70)通过管线(72)进料到上接触区域(56),其中旋流气流引起形成湍流带的颗粒(60)。 气体和固体之间的接触发生在该带状颗粒中。 来自带(74)的颗粒的溢流从管道(76,77)流下并进入下接触区(58)。 在接触区域(58)中的旋转气体流动导致形成湍流带状颗粒(78)。 气流进入管道(62)并且穿过下接触区域(58)中的颗粒(78)的湍流带。 气体然后通过限制(66)通过上接触区(60)中的颗粒(74)的湍流带,然后通过出口(68)离开设备(50)。 固体通过导管(82,84)从下部接触区域(58)移除。 该装置允许逆流气 - 固接触,并且特别适用于气体洗涤操作。