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    • 1. 发明申请
    • EXHAUST GAS TREATMENT METHOD AND SYSTEM FOR CEMENT BURNING FACILITY
    • 用于水泥烧结设备的排气处理方法和系统
    • US20100083878A1
    • 2010-04-08
    • US12564643
    • 2009-09-22
    • Yoshiaki KOMATSUMichio IshizakiHirokazu ShimaHiroyuki Matsuda
    • Yoshiaki KOMATSUMichio IshizakiHirokazu ShimaHiroyuki Matsuda
    • C04B7/26B01D50/00B01D45/12
    • C04B7/364B01D45/12B01D46/02B01D50/002C04B7/24C04B7/4423Y02P40/126Y02P40/145Y02W10/40
    • An object of this invention is to provide an exhaust gas treatment method and system for a cement burning facility which allows the handling property of collected powder dust to be improved and which enables smooth removal of hydrogen chloride that may result from burning of organic sludge. When part of exhaust gas in a lowermost part of a preheater 3 or a kiln inlet part 2 of a cement kiln 1 is extracted to obtain extracted gas, a cement material is dispersed, and the disperse amount of the cement material is adjusted so as to maintain the temperature of the extracted gas between 950° C. and 1,150° C. The extracted gas is cooled to at most the melting point of a chlorine compound. Then, solid-gas separation device 12 adjusts a classification particle size to between 15 μm and 30 μm. Dust trap 13 collects and removes fine powder dust with a particle size equal to or smaller than the classification particle size. Thus, the amount of fine powder dust collected by the dust trap is maintained between 50 g/m3N and 150 g/m3N, with the concentration of chlorine in the collected fine powder dust set to between 5% and 20%.
    • 本发明的目的是提供一种用于水泥燃烧设备的废气处理方法和系统,其能够改善收集的粉尘的处理性能,并且能够平滑地除去可能由有机污泥燃烧产生的氯化氢。 当提取出水泥窑1的预热器3或窑入口部2的最下部的废气的一部分而得到抽出气体时,分散水泥材料,调整水泥材料的分散量,使得 将提取气体的温度保持在950℃和1150℃之间。将提取的气体冷却至至多氯化合物的熔点。 然后,固气分离装置12将分级粒径调整为15μm〜30μm。 除尘器13收集并除去粒度等于或小于分级粒度的细粉尘。 因此,由粉尘收集器收集的细粉尘的量保持在50g / m3N至150g / m3N之间,收集的细粉尘中的氯浓度设定在5%至20%之间。
    • 4. 发明申请
    • MANUFACTURING FACILITY FOR QUICKLIME, AND MANUFACTURING FACILITY AND MANUFACTURING PROCESS FOR SLAKED LIME
    • 快速制造设备,制造设备及制造流程
    • US20130236391A1
    • 2013-09-12
    • US13885701
    • 2011-11-21
    • Naohiro HiguchiHirokazu Shima
    • Naohiro HiguchiHirokazu Shima
    • C04B2/08C04B2/04
    • C04B2/08C04B2/04C04B2/10C04B2/106C04B2/12Y02P40/42
    • A manufacturing facility for quicklime is provided, which can manufacture highly active quicklime by a simple manufacturing facility, and which can also separate and recover, in a high concentration, CO2 gas generated at the time of manufacturing quicklime. The manufacturing facility for quicklime is configured by including: a regenerative calciner 11 which has a supply port 11a for supplying granular limestone C into the regenerative calciner 11, heating means capable of maintaining the temperature of the atmosphere in the regenerative calciner 11 at a temperature not less than the calcination temperature of the limestone, an exhaust pipe 15 connected to an upper part of the regenerative calciner 11 so as to discharge combustion exhaust gas of the heating means and CO2 gas generated by the calcination of limestone, and a discharge port 14 for taking out quicklime produced by the calcination; and a heat medium 16 which has a particle diameter larger than the particle diameter of the limestone and which is filled in the regenerative calciner 11.
    • 提供生石灰的制造设备,其可以通过简单的制造设备制造高活性生石灰,并且还可以在生产生石灰时产生的高浓度CO 2气体中分离和回收。 生石灰的制造设备包括:再生煅烧炉11,其具有用于将颗粒状石灰石C供应到再生煅烧器11中的供给口11a,能够将再生式煅烧炉11中的气氛的温度保持在不是温度的加热装置 小于煅烧温度的石灰石,与再生煅烧炉11的上部连接的排气管15,以排出加热装置的燃烧废气和煅烧石灰石产生的二氧化碳气体;以及排出口14, 取出煅烧产生的生石灰; 以及热介质16,该热介质16的粒径大于石灰石的粒径,填充在再生煅烧器11中。
    • 5. 发明申请
    • CEMENT PLANT
    • 水泥厂
    • US20140120486A1
    • 2014-05-01
    • US14127332
    • 2012-01-19
    • Daisuke SakaniwaJunzhu WangHirokazu Shima
    • Daisuke SakaniwaJunzhu WangHirokazu Shima
    • C04B7/60C04B7/43
    • C04B7/60C04B7/432F27B7/20F27D17/008
    • There is provided a cement plant including a chlorine bypass apparatus capable of efficiently reducing the chlorine concentration in a cement kiln due to exhaust gas extraction by a small amount, by preventing calciner exhaust gas low in chlorine concentration from contamination and extracting a part of kiln exhaust gas high in chlorine concentration. In the invention, a baffle wall 20 which protrudes, on a lower face 16a of an exhaust duct 16 of a calciner connected to the pipe inclination part 14 of an exhaust gas pipe 9 rising from a kiln inlet part 2 of a cement kiln 1, toward a pipe inclination part 14 side at an inclination angle a within a range of 20 to 60° relative to the horizontal plane, and a spacing between a lower end edge 20a of the baffle wall and an opposite wall plane 14a of the pipe inclination part is configured such that an average flow rate of the exhaust gas between the both falls within a range of 15 to 35 m/s.
    • 提供了一种水泥装置,其包括氯旁路装置,其能够通过防止低浓度的氯浓度的煅烧废气被污染并提取一部分窑尾部,从而有效地降低由于废气抽出少量而导致的水泥窑中的氯浓度 气体氯浓度高。 在本发明中,在与水泥窑1的窑入口部2上升的废气管9的管倾斜部14连接的煅烧炉的排气管16的下表面16a上突出的挡板20, 以相对于水平面为20°〜60°的倾斜角度α的管倾斜部14侧朝向管倾斜部14侧,并且在挡板壁的下端缘20a与管倾斜部的相对壁面14a之间的间隔 被配置为使得两者之间的排气的平均流量在15至35m / s的范围内。
    • 8. 发明申请
    • CHLORINE BYPASS DEVICE
    • US20140366499A1
    • 2014-12-18
    • US14371133
    • 2012-04-02
    • Daisuke SakaniwaJunzhu WangHirokazu Shima
    • Daisuke SakaniwaJunzhu WangHirokazu Shima
    • F27D17/00
    • F27D17/008B01D45/12B01D53/68B01D2257/2025C04B7/60F27B7/20F27B15/003F27D7/02F27D17/001F27D2017/009
    • The present invention provides a chlorine bypass device which can cool exhaust gas quickly by mixing extracted exhaust gas with cooling air at high efficiency, thereby produce fine chloride dust, and increase dust recovery efficiency. In the present invention, a cooling pipe 21 adapted to cause cooling air to flow into an extraction pipe 20 adapted to extract part of exhaust gas from an exhaust gas pipe is formed by an annular revolving portion 22 and an introducing portion 23, the revolving portion 22 includes an inner pipe 24 and outer pipe 25 configured to be cylindrical in shape and adapted to surround an outer wall of the extraction pipe via a gap, the introducing portion 23 is defined by a reduced-diameter pipe 28 joined at a first end to the outer pipe of the revolving portion 22 and joined at a second end to the outer wall of the extraction pipe 20, the second end being reduced in diameter compared to the first end, a cooling air duct 27 from the blower is connected to the revolving portion 22 so as to introduce the cooling air in a circumferential direction of the revolving portion 22, and a flow inlet 29 adapted to cause the cooling air from the introducing portion 23 to flow into the extraction pipe is formed over an entire circumference of the outer wall of the extraction pipe 20.
    • 本发明提供一种氯旁路装置,其能够通过将提取的废气与冷却空气以高效率混合而快速地冷却废气,从而产生细小的氯化物粉尘,并且提高灰尘回收效率。 在本发明中,通过环状回转部22和导入部23,使冷却用空气流入排气管排出气体的抽出管20的冷却管21,该旋转部 22包括内管24和外管25,该内管24和外管25被构造成圆柱形并且经由间隙包围抽吸管的外壁,引入部分23由在第一端连接的直径减小的管28限定 旋转部分22的外管并且在第二端处连接到抽吸管20的外壁,第二端与第一端相比直径减小,来自鼓风机的冷却风道27连接到旋转 部分22,以便在旋转部分22的圆周方向上引入冷却空气,并且适于使来自引导部分23的冷却空气流入抽吸管的流入口29是 在提取管20的外壁的整个圆周上。
    • 9. 发明申请
    • METHOD FOR CONTROLLING NOX CONCENTRATION IN EXHAUST GAS IN COMBUSTION FACILITY USING PULVERIZED COAL
    • 使用粉碎煤控制燃烧装置中排放气体中NO x浓度的方法
    • US20130298809A1
    • 2013-11-14
    • US13980993
    • 2012-01-16
    • Yoshinori TakayamaHirokazu Shima
    • Yoshinori TakayamaHirokazu Shima
    • F23C1/00
    • C04B2/108C04B7/364C04B7/4407F23B1/00F23C1/00F23J2215/10F23J2219/20F23K1/00F23K2201/501F23N1/002F23N5/003F23N2021/10
    • An object of the invention is to provide a method for controlling an NOx concentration in an exhaust gas in a combustion facility that uses a pulverized coal, which can easily control the NOx concentration in the exhaust gas to be discharged from a fuel facility that uses the pulverized coal as the fuel to or below a regulation value according to the Air Pollution Control Law and the like, and can also reduce an amount of a denitrifying agent or the like to be used, which is necessary for the control, by controlling the NOx concentration on the basis of the properties of the pulverized coal beforehand. The invention further includes: measuring a reaction velocity of each of chars corresponding to a plurality of types of pulverized coals beforehand; determining a relationship between the NOx concentration in the exhaust gas and the reaction velocity in advance; blending the plurality of the types of the pulverized coals so that the reaction velocity of the char becomes such a value as to correspond to a target NOx concentration or below, on the basis of the relationship; and supplying the blended pulverized coal to the combustion facility as the fuel of the combustion facility.
    • 本发明的目的是提供一种用于控制使用粉煤的燃烧设备中的废气中的NOx浓度的方法,该粉煤可以容易地控制排气中的NOx浓度从使用 作为燃料的粉煤按照“空气污染防治法”等规定值以下,也可以通过控制NOx来减少所需要的使用的脱氮剂等的量 预先根据粉煤的性质进行浓缩。 本发明还包括:预先测定与多种粉煤相对应的每种炭的反应速度; 预先确定废气中的NOx浓度与反应速度之间的关系; 混合多种类型的粉煤,使得炭的反应速度基于该关系变为与目标NOx浓度相应的值; 并将混合的粉煤作为燃烧设备的燃料供应到燃烧设备。