公开(公告)号：US5770161A

公开(公告)日：1998-06-23

申请号：US564409

申请日：1995-11-29

申请人： Eiji Ochi ,  Toru Takashina ,  Takao Sodeshita

发明人： Eiji Ochi ,  Toru Takashina ,  Takao Sodeshita

IPC分类号： B01D53/34 ,  B01D53/50 ,  B01D53/77 ,  B01D47/00 ,  G05D7/00

CPC分类号： B01D53/501 ,  B01D53/346 ,  B01D53/504

摘要： A flue gas treating system including a gas-gas heater and/or a dust collector, and a wet flue gas desulfurization apparatus, characterized in that the flue gas treating system is equipped with addition means for adding an alkaline agent to an absorbent slurry, a pH detector for detecting the pH of the slurry, gas-gas heater operational state detection means, dust collector operational state detection means, and alkaline agent addition control means for controlling the amount of alkaline agent added in response to signals from the pH detector, the gas-gas heater operational state detection means and the dust collector operational state detection means, so that the pH and calcium compound concentration of the absorbent slurry can be controlled.

摘要翻译： 一种烟气处理系统，包括气体 - 气体加热器和/或集尘器，以及湿式烟道气脱硫装置，其特征在于，所述烟道气处理系统配备有用于向吸收剂浆料中添加碱性试剂的添加装置， 用于检测浆料的pH的pH检测器，气体 - 气体加热器操作状态检测装置，集尘器操作状态检测装置和用于响应于来自pH检测器的信号而控制添加的碱性试剂的量的碱性试剂添加控制装置， 气体加热器操作状态检测装置和集尘器操作状态检测装置，从而可以控制吸收剂浆料的pH和钙化合物浓度。

公开(公告)号：US5665129A

公开(公告)日：1997-09-09

申请号：US523826

申请日：1995-09-06

申请人： Kiyoshi Okazoe ,  Toyoshi Nakagawa ,  Toru Takashina

发明人： Kiyoshi Okazoe ,  Toyoshi Nakagawa ,  Toru Takashina

IPC分类号： B01D53/34 ,  B01D53/50 ,  B01D53/77 ,  C01F5/40 ,  C01F11/46 ,  B01D47/14

CPC分类号： B01D53/504 ,  C01F11/464 ,  C01F5/40

摘要： A wet flue-gas desulfurization system which effectively reduces the mist concentration in the treated gas at its outlet. The system includes an absorption column, formed with a tank at the bottom which is supplied with an absorbent slurry and a circulating pump for forcing the slurry upwardly from the tank into the flue gas inlet at the top of the column for contact with flue gas. Sulfur dioxide, for example, is removed from the flue gas, being introduced in the flue gas inlet, by absorption with the absorbent slurry. The treated gas, free of sulfur dioxide, is discharged through a gas-outlet duct formed to rise integrally from the top of an end part of the tank. For reducing the mist concentration a mist eliminator is provided and is held upright, as a vertical partition, across the riser of the duct, with the lower end of the eliminator being extended partly into the bath of the absorbent slurry inside the tank.

摘要翻译： 一种湿式烟气脱硫系统，可有效降低出口处理气体中的雾浓度。 该系统包括吸收塔，底部形成有供给吸收剂浆料的罐，以及循环泵，用于将浆料从罐向上推入塔顶部的烟道气入口以与烟气接触。 例如，二氧化硫通过吸收剂浆料的吸收被从烟道气中除去，被引入烟道气入口。 处理过的无二氧化硫的气体通过形成为从罐的端部顶部整体上升的气体出口导管排出。 为了减少雾浓度，提供雾气消除器，并且作为垂直分隔件直立地延伸穿过管道的立管，消除器的下端部分地延伸到罐内的吸收剂浆液的浴中。

公开(公告)号：US5616290A

公开(公告)日：1997-04-01

申请号：US650710

申请日：1996-05-20

申请人： Makiichi Ishihara ,  Takakazu Sunada ,  Shigeo Hasegawa ,  Naohiko Ukawa ,  Toru Takashina ,  Yukio Kita ,  Kouichiro Iwashita ,  Kousuke Yamashita ,  Junji Ozaki ,  Kaname Kaneshige

发明人： Makiichi Ishihara ,  Takakazu Sunada ,  Shigeo Hasegawa ,  Naohiko Ukawa ,  Toru Takashina ,  Yukio Kita ,  Kouichiro Iwashita ,  Kousuke Yamashita ,  Junji Ozaki ,  Kaname Kaneshige

IPC分类号： B01D53/18 ,  B01D53/50 ,  B01J10/00 ,  B01J19/26 ,  B05B15/06 ,  B05B1/00

CPC分类号： B01J19/0066 ,  B01D53/185 ,  B01D53/504 ,  B01J10/002 ,  B01J19/26 ,  B05B15/069 ,  Y10S261/39 ,  Y10S261/75

摘要： A gas-liquid contacting apparatus in which spray nozzles for spraying slurry solution upward are arranged in a tower body through which gas passes, wherein a liquid inlet portion of the spray nozzle is of a bell shape having a radius of curvature of 0.2 times or more of the diameter of a liquid discharge port of the spray nozzle, and a ceramic nozzle support structure comprises: (A) a ceramic nozzle having a ridge portion on the outer peripheral surface of a nozzle body; (B) a tightening flange including a flange body having an aperture larger than the outside shape of the nozzle body and a central cylindrical portion extending substantially concentrically with the nozzle body from lower surface of the flange body, the tightening flange having through holes in the wall of central cylindrical portion thereof; (C) a support nozzle consisting of a cylindrical body having an inside diameter larger than the central cylindrical portion of tightening flange and connected to the tightening flange by bolting via the flange body at the upper portion of the cylindrical body; and (D) an elastomeric resin filled in a space between the nozzle and the support nozzle so that the outside and inside of the central cylindrical portion of tightening flange are integrated via the through holes.

公开(公告)号：US5433936A

公开(公告)日：1995-07-18

申请号：US29430

申请日：1993-03-09

申请人： Naohiko Ukawa ,  Toru Takashina ,  Tsumoru Nakamura ,  Shinichiro Kotake

发明人： Naohiko Ukawa ,  Toru Takashina ,  Tsumoru Nakamura ,  Shinichiro Kotake

IPC分类号： B01D53/34 ,  B01D53/50 ,  B01D53/77 ,  B01D61/44

CPC分类号： B01D61/44 ,  B01D53/502

摘要： A flue gas desulfurization process which comprises the steps of absorbing and separating sulfur oxides from a combustion waste gas using a Ca compound and, as an absorption auxiliary agent, an organic acid which has carboxyl groups at opposite ends of a straight-chain hydrocarbon containing from 1 to 4 carbon atoms in a flue gas desulfurization apparatus, separating the waste water discharged from the desulfurization apparatus in an electrodialyzer which comprises an alternate array of univalent selective anion-exchange membranes and cation-exchange membranes into two solutions: a concentrated solution in which metallic and chlorine ions are concentrated and a dilute solution in which the metallic and chlorine ions are diluted and the organic acid is left behind, and then recycling the dilute solution as an absorbent to the flue gas desulfurization apparatus.

摘要翻译： 一种烟道气脱硫方法，包括以下步骤：使用Ca化合物吸收和分离来自燃烧废气的硫氧化物，并且作为吸收助剂，在含有 在烟道气脱硫装置中具有1至4个碳原子，将包含一价选择性阴离子交换膜和阳离子交换膜的交替排列的电渗析器中的脱硫装置排出的废水分离成两种溶液：浓缩溶液，其中 浓缩金属和氯离子，稀释金属离子和氯离子稀释后的有机酸，然后将作为吸收剂的稀释溶液再循环至烟道气脱硫装置。