Heat exchanger
    1.
    发明专利

    公开(公告)号:JP5010635B2

    公开(公告)日:2012-08-29

    申请号:JP2009065610

    申请日:2009-03-18

    CPC分类号: F22B37/40 F22B1/18 F23M9/003

    摘要: In a heat exchanger that includes an expanded part of a duct (21), a heat-transfer tube bundle accommodating duct (22), and a plurality of heat-transfer tube bundles (11, 12, 13) provided in the heat-transfer tube bundle accommodating duct (22) in a flow direction of flue gas with a distance therebetween, a bare-tube-part upstream-side regulating plate (26) and a bare-tube-part downstream-side regulating plate (27) at an upstream side and a downstream side of a bare tube part (18) of each of the heat-transfer tube bundles (11, 12, 13) and a plurality of regulating plates (23, 24, 25) in an introducing unit arranged either in the expanded part of a duct (21) or in the heat-transfer tube bundle accommodating duct (22) on an upstream side to the heat-transfer tube bundle are provided. A drift at the bare tube part (18) of the heat-transfer tube bundles (11, 12, 13) can be significantly reduced.

    Apparatus and system for treating exhaust gas
    3.
    发明专利
    Apparatus and system for treating exhaust gas 有权
    用于处理排气的装置和系统

    公开(公告)号:JP2010036159A

    公开(公告)日:2010-02-18

    申请号:JP2008204708

    申请日:2008-08-07

    IPC分类号: B01D53/94 B01D53/86

    摘要: PROBLEM TO BE SOLVED: To provide an apparatus and system for treating exhaust gas in which oxidation efficiency of mercury present in exhaust gas is greatly improved by increasing the contact area of its denitrification catalyst and the exhaust gas fed into its denitrification device. SOLUTION: The apparatus 10 for treating exhaust gas, having a denitrification catalyst layer 13 that removes NOx from the exhaust gas 12 and oxidizes Hg by spraying HCl into the exhaust gas 12, comprises a spiral-flow generation member 30A which is disposed on the inlet 13a side of the denitrification catalyst layer 13, and constituted of: a spiral-flow generation member body formed by divided into sections each allotted to individual passages of the denitrification catalyst layer 13; and a plurality of spiral-flow generation wings attached to the divided inner walls for generating turbulence. Thus, the laminar flow of the exhaust gas 12 flowing in a smoke duct 19 is converted into a spiral flow in the denitrification catalyst layer 13, the contact time of the exhaust gas 12 and the denitrification catalyst is increased, and the efficiency of the oxidation of Hg in the exhaust gas 12 by the denitrification catalyst is enhanced. COPYRIGHT: (C)2010,JPO&INPIT

    摘要翻译: 要解决的问题:提供一种废气处理装置和系统,其中废气中存在的汞的氧化效率通过增加其脱氮催化剂和进入其脱氮装置的废气的接触面积而大大提高。 解决方案:用于处理废气的设备10具有脱硝催化剂层13,该脱氮催化剂层13从排气12中除去NOx并通过向排气12喷射HCl来氧化Hg,包括设置在螺旋流产生件30A中的螺旋流产生件30A 在脱氮催化剂层13的入口13a侧,由以下部分构成:螺旋流产生部件主体,分成各自分配给脱氮催化剂层13的各通路的部分; 以及附接到分开的内壁以产生湍流的多个螺旋流产生翼。 因此,在烟道19中流动的废气12的层流在脱氮催化剂层13中转化为螺旋流,排气12和脱氮催化剂的接触时间增加,氧化效率 的由脱氮催化剂排出的废气12中的Hg增强。 版权所有(C)2010,JPO&INPIT

    Heat exchanger
    6.
    发明专利
    Heat exchanger 有权
    热交换器

    公开(公告)号:JP2010216749A

    公开(公告)日:2010-09-30

    申请号:JP2009065610

    申请日:2009-03-18

    IPC分类号: F22B37/40 F22B1/18 F23J13/00

    CPC分类号: F22B37/40 F22B1/18 F23M9/003

    摘要: PROBLEM TO BE SOLVED: To solve a problem in a conventional heat exchanger that a sufficient straightening effect cannot be obtained since a straightening plate is disposed only near a bare tube in the heat exchanger. SOLUTION: This heat exchanger having a duct expanded section, a heat transfer tube bundle receiving duct, and heat transfer tube bundles disposed in several stages in the heat transfer tube bundle receiving duct at intervals in the flowing direction of an exhaust gas further has bare tube upstream-side straightening plates and bare tube wake-side straightening plates disposed at an upstream side and a wake side of the bare tubes of the heat transfer tube bundles, respectively, and introducing-section straightening plates in a plurality o stages disposed in the duct expanded section and/or the heat transfer tube bundle receiving duct at an upstream side with respect to the heat transfer tube bundle. Thus, drift in the bare tube of each heat transfer tube bundle can be significantly reduced. COPYRIGHT: (C)2010,JPO&INPIT

    摘要翻译: 要解决的问题为了解决传统热交换器中由于在热交换器中仅靠近裸管设置矫直板而不能获得足够的矫直效果的问题。 解决方案:该热交换器具有管道膨胀部分,传热管束接收管道和传热管束,其在传热管束接收管道中以排列的流动方向间隔地分几级设置 具有分别设置在传热管束的裸露管的上游侧和尾流侧的裸露管上游侧矫直板和裸露管尾侧矫正板,以及设置在多个级中的导入部矫直板 在导管膨胀部和/或传热管束接收管相对于传热管束的上游侧。 因此,可以显着地减少每个传热管束的裸管中的漂移。 版权所有(C)2010,JPO&INPIT