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    • 40. 发明专利
    • System for measuring floating substance in fine particle shape for ship, and exhaust gas dilution equipment
    • 用于船舶精细颗粒形状测量浮选物质的系统和废气稀释设备
    • JP2003083949A
    • 2003-03-19
    • JP2001273332
    • 2001-09-10
    • National Maritime Research Institute独立行政法人 海上技術安全研究所
    • OHASHI ATSUTO
    • G01N23/12G01N1/22G01N15/06G01N33/00
    • Y02A50/244
    • PROBLEM TO BE SOLVED: To provide a measurement system of a floating substance in a fine particle shape for ships that can measure the floating substance in a fine particle shape in an exhaust gas easily even on a ship that oscillates conforming to the regulation of the International Standardization Organization.
      SOLUTION: The system comprises a dilution air supply apparatus 3 having a dry cleaning apparatus 31 and an amount-of-supply adjustment valve 32, exhaust gas dilution equipment 4 for mixing clean air that is transmitted from the dilution air supply apparatus 3 and the exhaust gas in an engine, a carbon gas-measuring instrument 10 for measuring a carbon dioxide gas contained in the exhaust gas in the engine or a diluted exhaust gas that is transmitted from the exhaust gas dilution equipment 4 via a switching cock 8 and a pretreating apparatus 9, and a beta ray absorption type floating fine particle-like substance measuring instrument 5 for measuring floating substances in a fine particle shape in the diluted exhaust gas that is transmitted from the exhaust gas dilution equipment 4. A dilution coefficient is obtained from the carbon dioxide gas measurement value of the exhaust gas of the engine and the diluted exhaust gas by the carbon dioxide gas-measuring instrument 10, and the amount of transmission of clean air in the dilution air supply apparatus 3 is adjusted so that the dilution coefficient becomes an appropriate one.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:为了能够容易地即使在符合国际规则的船舶上能够容易地测量废气中的微细形状的浮游物质的船舶,提供细微粒状浮游物质的测量系统 标准化组织。 解决方案:该系统包括具有干洗设备31和供给量调节阀32的稀释空气供应设备3,用于混合从稀释空气供应设备3传输的清洁空气和排气的排气稀释设备4 发动机中的气体,用于测量发动机中排气中所含的二氧化碳气体的碳测量装置10或经由切换旋塞8和预处理装置从废气稀释装置4传递的稀释废气 9,以及用于测量从废气稀释装置4传递的稀释废气中的微细颗粒形状的漂浮物质的β射线吸收型浮游微粒状物质测量装置5.从碳获得稀释系数 二氧化碳气体测定装置10的发动机废气和稀释废气的二氧化碳气体测定值, 调节稀释空气供给装置3中的清洁空气的透过,使稀释系数成为适当的稀释系数。