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    • 2. 发明公开
    • Method and apparatus for measuring mercury contained in gaseous medium
    • 对包含在气态介质中汞的连续测量的方法和装置
    • EP1489412A1
    • 2004-12-22
    • EP04252111.2
    • 2004-04-08
    • Central Research Institute of Electric Power IndustryNippon Instruments Corporation
    • Makino, HisaoShirai, Hiromi
    • G01N33/00B01D53/86B01D15/08
    • B01D53/8665G01N33/0045
    • To provide a method of and an apparatus for continuously measuring elemental mercury and bivalent mercury both contained in a gaseous medium fractionally with a simplified structure, the concentration of a total mercury (Metallic Mercury + Bivalent Mercury) and the concentration of elemental mercury contained in gases are measured continuously and fractionally. In the practice of this mercury measuring method, a first column 1, filled with a first fixed catalyst, and a second column 11, filled with a second fixed catalyst, are fluid connected in parallel relation to each other. The gases G are introduced into those first and second columns 1 and 11. In the first column 1, the first fixed catalyst collects and removes the bivalent mercury, but passes only the elemental mercury in the gases through the first column. In the second column 11, the second fixed catalyst reduces the bivalent mercury into elemental mercury and passes through the second column 11 the elemental mercury in the gases containing the elemental mercury into which the bivalent mercury has been reduced. The concentration of the elemental mercury in the gases, from which the bivalent mercury has been removed after passage thereof through the first column 1 and, also, the concentration of the elemental mercury in the gases into which the bivalent mercury has been reduced after passage thereof through the second column 11 are measured as the concentration of the elemental mercury contained in sampled gases and as the concentration of the total mercury in the sampled gases, respectively by utilization of first and second mercury measuring instruments.
    • 为了提供和设备的方法用于连续地测量元素汞和二价汞都包含在具有简化的结构分馏气态介质中,包含在气体完全汞(金属汞+二价汞)的浓度和元素汞的浓度 连续和分级测定。 在这种汞测量方法中,第一塔1,填充有第一固定催化剂,和第二列11,填充有第二固定催化剂的实践中,是流体连接以平行关系海誓山盟。 的气体G引入这些第一和第二列1和11在第一列1中,第一固定催化剂收集和移除二价汞,而是通过第一列中的气体中仅通过单质汞。 在第二列11,第二固定催化剂降低了二价汞成元素汞和穿过第二塔11含元素汞成二价汞已经减少的气体中的元素汞。 的气体中的元素汞,从该二价汞通道之后通过第一柱1和它们的被除去的浓度,因此,在气体中的元素汞的浓度到其中的二价汞已被通道及其后减压 通过第二柱11测量值:载采样气体中和作为总汞的采样气体中,分别由第一和第二汞测量仪器的利用率浓度元素汞的浓度。
    • 7. 发明申请
    • Apparatus for measuring mercury contained in gaseous medium
    • 用于测量气态介质中所含汞的装置
    • US20060137433A1
    • 2006-06-29
    • US11305259
    • 2005-12-19
    • Koji Tanida
    • Koji Tanida
    • G01N33/00
    • G01N31/005G01N33/0013G01N33/0045
    • To provide a highly reliable apparatus for measuring mercury contained in the gaseous medium, in which the outlet port 3b of the reducing tube and the gas-liquid separator, both susceptible to deposition of stain, can be automatically cleaned to avoid reduction of the sensitivity of the measuring instrument, the apparatus for measuring mercury contained in the gaseous medium includes a reducing tube 3 for reducing divalent mercury contained in a gaseous medium to zerovalent mercury, a gas-liquid separator 4 for removing a liquid component (drain) from the gaseous medium that has passed through the reducing tube 3, a measuring instrument 6 for measuring the quantity of the mercury contained in the gaseous medium delivered from the gas-liquid separator 4, and a cleaning system 10 for running a cleaning liquid from an outlet port of the reducing tube 3 past the gas-liquid separator 4 to emerge outwardly of the gas-liquid separator 4.
    • 为了提供用于测量包含在气体介质中的汞的高度可靠的装置,其中可以自动清洁可能被污染沉积的还原管和气液分离器的出口3b,以避免降低灵敏度 测量仪器中包含的汞的测量装置包括用于将气态介质中所含的二价汞降低至零价汞的还原管3,用于从气体中去除液体组分(排出)的气液分离器4 已经通过还原管3的介质,用于测量从气液分离器4输送的气态介质中所含的汞的量的测量仪器6,以及用于将清洗液从出口 还原管3经过气 - 液分离器4从气 - 液分离器4的外部露出。
    • 8. 发明授权
    • Apparatus for measuring mecury contained in gaseous medium
    • 用于测量包含在气体介质中的碎屑的装置
    • US07367225B2
    • 2008-05-06
    • US11305259
    • 2005-12-19
    • Koji Tanida
    • Koji Tanida
    • G01N33/00
    • G01N31/005G01N33/0013G01N33/0045
    • To provide a highly reliable apparatus for measuring mercury contained in the gaseous medium, in which the outlet port 3b of the reducing tube and the gas-liquid separator, both susceptible to deposition of stain, can be automatically cleaned to avoid reduction of the sensitivity of the measuring instrument, the apparatus for measuring mercury contained in the gaseous medium includes a reducing tube 3 for reducing divalent mercury contained in a gaseous medium to zerovalent mercury, a gas-liquid separator 4 for removing a liquid component (drain) from the gaseous medium that has passed through the reducing tube 3, a measuring instrument 6 for measuring the quantity of the mercury contained in the gaseous medium delivered from the gas-liquid separator 4, and a cleaning system 10 for running a cleaning liquid from an outlet port of the reducing tube 3 past the gas-liquid separator 4 to emerge outwardly of the gas-liquid separator 4.
    • 为了提供用于测量包含在气体介质中的汞的高度可靠的装置,其中可以自动清洁可能被污染沉积的还原管和气液分离器的出口3b,以避免降低灵敏度 测量仪器中包含的汞的测量装置包括用于将气态介质中所含的二价汞降低至零价汞的还原管3,用于从气体中去除液体组分(排出)的气液分离器4 已经通过还原管3的介质,用于测量从气液分离器4输送的气态介质中所含的汞的量的测量仪器6,以及用于将清洗液从出口 还原管3经过气 - 液分离器4从气 - 液分离器4的外部露出。
    • 10. 发明授权
    • Method and apparatus for continuous fractional analysis of metallic mercury and water-soluble mercury in a gas
    • 气体中金属汞和水溶性汞的连续分数分析方法和装置
    • US07144736B2
    • 2006-12-05
    • US10363807
    • 2001-06-25
    • Naoki NodaShigeo ItoKoji MarumotoKoji TanidaMunehiro Hoshino
    • Naoki NodaShigeo ItoKoji MarumotoKoji TanidaMunehiro Hoshino
    • G01N33/20G01N21/33G01N21/01G01N1/22
    • G01N33/0045G01N1/2214G01N1/2247G01N2001/2217G01N2001/227G01N2001/4066Y10T436/25375Y10T436/255Y10T436/25875
    • A method and an apparatus which continuously separate and measure mercury in an exhaust gas in accordance with each chemical conformation and display a measurement result in real time. According to the method and the apparatus, water-soluble mercury in a gas is absorbed into an absorption solution (7), the gas and the absorption solution (7) are then separated from each other, the water-soluble mercury in the absorption solution (7) is reduced to be converted into gaseous metal mercury and led to an analyzer (20), and metal mercury in the gas which is not absorbed into the absorption solution (7) is led to an analyzer (22) in the form of gas. As a result, the water-soluble mercury and the non-water-soluble mercury contained in the gas can be captured and measured/analyzed in respective measurement systems in accordance with each chemical conformation. In addition, a concentration of the metal mercury and that of the water-soluble mercury in the gas can be continuously monitored in real time. In this analysis, it is preferable to use the absorption solution (7) to absorb an acid gas which is an inhibitive component to mercury measurement, together with the water-soluble mercury.
    • 根据每个化学构型连续分离和测量废气中的汞并且实时显示测量结果的方法和装置。 根据该方法和装置,气体中的水溶性汞被吸收到吸收溶液(7)中,然后将气体和吸收溶液(7)相互分离,吸收溶液中的水溶性汞 (7)被还原成为气态金属汞并导致分析器(20),并且不吸收到吸收溶液(7)中的气体中的金属汞被引导到分析器(22)的形式 加油站。 结果,气体中所含的水溶性汞和非水溶性汞可以根据每种化学构型在相应的测量系统中被捕获和测量/分析。 此外,可以实时地连续监测金属汞和气体中的水溶性汞的浓度。 在该分析中,优选使用吸收溶液(7)与水溶性汞一起吸收作为汞测定的抑制成分的酸性气体。