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    • 3. 发明专利
    • Sampling probe, and exhaust gas-sampling device provided therewith
    • 采样探头及其提供的排气采样装置
    • JP2003344237A
    • 2003-12-03
    • JP2002158533
    • 2002-05-31
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • SUZUKI TAKUMIMASUDA TOMOTSUGUKANO SAKAEAOKI TAIDO
    • G01N1/22G01N1/28
    • PROBLEM TO BE SOLVED: To prevent a sampling tube from being plugged with a deposit such as clinker and a compound of low melting point, and to install an exhaust gas quick-cooling means of high-cooling performance.
      SOLUTION: This sampling tube 2 has the sampling tube 3 having a large- diametral tube part 3A, a small-diametral tube part 3B and a reducer tube part 3C, and for forming an inside diameter of the small-diametral tube part into an inside diameter for bringing a flow condition of sampling exhaust gas flowing in the small-diametral tube part into a turbulent flow, and has an exhaust gas quick-cooling cooler 6 provided with the small-diametral tube part and a cooling jacket 15 surrounding the peripheral of the small-diametral tube part. A large-diametral portion of the sampling tube is formed into double tube structure comprising the large-diametral tube part and an outer tube provided in an outside of the large-diametral tube part to cool the large-diametral tube part by cooling water. A backwash device is provided to supply compressed gas into the sampling tube, so as to blow back the deposit such as the clinker and the compound of low melting point in the sampling tube into an inside of a gas flue.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了防止采样管被诸如熟料和低熔点化合物的沉积物堵塞,并且安装高冷却性能的废气快速冷却装置。

      解决方案:该采样管2具有采样管3,该采样管3具有大直径管部分3A,小直径管部分3B和还原管部分3C,并且用于形成小直径管部分的内径 成为使在小直径管部中流动的排气的取样流动状态成为湍流的内径,并且具有设置有小直径管部的排气快速冷却用冷却器6和围绕 小直径管部分的周边。 采样管的大直径部分形成为双管结构,包括大直径管部分和设置在大直径管部分外侧的外管,以通过冷却水冷却大直径管部分。 提供反冲洗装置以将压缩气体供应到采样管中,以将采样管中的熟料和低熔点化合物的沉积物吹回到气体烟道的内部。 版权所有(C)2004,JPO

    • 4. 发明专利
    • WATER GATE DOOR
    • JPH08134880A
    • 1996-05-28
    • JP27501394
    • 1994-11-09
    • MITSUBISHI HEAVY IND LTD
    • IMAMURA KENJIKANO SAKAEMAEKAWA SHINOGUCHI KIKUOKOYAMA ATSUOSHIGENAGA NORIAKIKANEKO TORU
    • E02B7/30E02B7/54
    • PURPOSE: To prevent the jetting stream at the sealed part, by loosening the strength of the jetting water in an inflow pit in which the jetting water is conducted to a specified direction by a guide plate of jetting water. CONSTITUTION: A skin plate 11 is positioned to get in contact with a water-tight rubber 8 fixed to an effluent pipe 7 through a fitting plate 13 of the water-tight rubber. A preventive device 12 against jetting flow is composed of guide plates 12a for jetting stream fixed on a door body 3 with both elevation angle and depression angle to conduct the jetting water flowing between the door body 3 and the external wall of a dam body 9 into a box-shaped or a curved inflow pit 14. When the door body 3 of the water gate is operated, the reserved water in the inside of the water-tight rubber 8 is removed to release the pressed state and a clearance is brought about between the skin plate 11 as a part of the door body 3 and the water-tight rubber 8 and then the passing water flow is jetting out but it is conducted in the pit 14 along a direction by the preventive device against jetting flow 12, composed of the guide plates 12a for the jetting flow. The energy of jetting water is reduced by means of the curved shape and the water flows down to the bottom of door stops.
    • 5. 发明专利
    • Exhaust gas sampling system
    • JP2004061484A
    • 2004-02-26
    • JP2002302808
    • 2002-10-17
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • MASUDA TOMOTSUGUSUZUKI TAKUMITSUZUKI EIICHISE JUNICHIKANO SAKAEAOKI TAIDOMATSUI SHOICHI
    • G01N1/22
    • PROBLEM TO BE SOLVED: To provide an exhaust gas sampling system wherein sampling an exhaust gas for a long time or or the like process is conducted by surely preventing a sampling pipe from being clogged, peeling off deposits such as clinker, and a low-melting point compound, and blowing them backward to a flue. SOLUTION: The exhaust gas system comprises: a sampling probe 2 having a sample pipe 3 communicating with flue side ends of a first space 24A and a second space 24B into which a space 24 between an inner pipe 21 and an outer pipe 22 constituting a double pipe structure is partitioned by a partition plate 23; and a backwashing device 10 for blowing the deposits in the sampling pipe backward into the flue by compressed air. Peeling-off of the deposits can be effected by water spray, sand blast or mechanically by a rod-like member or a cleaning head, or a blast nozzle or an abrasive cleaning head may be turned within the sampling pipe. Piping of a sand blast line is constituted in a straight pipe structure, a part of the pipe having a reduced diameter is shaped as a tapered pipe having an inclination angle of not more than 30°C and is made of a material having a high hardness. The abrasive cleaning head can be turned by a small motor installed in a vicinity. COPYRIGHT: (C)2004,JPO
    • 6. 发明专利
    • High-temperature exhaust gas analyzer for combustion exhaust, and analyzing method therefor
    • 用于燃烧排放的高温排气分析仪及其分析方法
    • JP2003344244A
    • 2003-12-03
    • JP2002158541
    • 2002-05-31
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • MASUDA TOMOTSUGUSUZUKI TAKUMIKANO SAKAEAOKI TAIDO
    • G01N1/00B01D46/42F23G5/50G01N1/22G01N1/28
    • Y02E20/12
    • PROBLEM TO BE SOLVED: To accurately and continuously analyze a trace amount of substance in high-temperature combustion exhaust gas, without depositing the trace amount of substance in the high-temperature combustion exhaust gas in the inside of a sampling line.
      SOLUTION: The high-temperature combustion exhaust gas 10 is cooled to 2300°C in a gas quick-cooling tube 16. The cooled high-temperature combustion exhaust gas 10 passes through a dust collector 18 to remove an impurity such as dust contained in the high-temperature combustion exhaust gas 10 therein. A heater 28 heats the dust collector 18 and the sampling line, and is regulated to make a thermometer 20 indicate 150-300°C. The high-temperature combustion exhaust gas 10 is guided to an analyzer 24 passing through valves 103, 105, and an organic aromatic halide is analyzed quantitatively/qualitatively in the analyzer 24.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了在高温燃烧废气中精确连续分析痕量的物质,而不会在采样管内部的高温燃烧废气中沉积微量的物质。 解决方案:将高温燃烧废气10在气体快速冷却管16中冷却至2300℃。冷却后的高温燃烧废气10通过集尘器18除去灰尘等杂质 包含在其中的高温燃烧废气10中。 加热器28加热集尘器18和采样管线,并调节温度计20表示150-300℃。 高温燃烧废气10被引导到通过阀103,105的分析器24,并且在分析仪24中定量/定性分析有机芳香卤化物。版权所有(C)2004,JPO
    • 7. 发明专利
    • BAG FILTER
    • JPH10216440A
    • 1998-08-18
    • JP2507397
    • 1997-02-07
    • MITSUBISHI HEAVY IND LTD
    • WAKAI YUJIKANO SAKAECHIKAMATSU HIDEAKI
    • B01D46/02
    • PROBLEM TO BE SOLVED: To improve conventional flow diverters, to effectively stick a reaction assistant, and to improve reactivity with respect to a bag filter device for treating waste gas in garbage incineration or the like. SOLUTION: Waste gas and slaked lime enter a vessel 1 from a waste gas inlet 2 in the lower part thereof, and is dispersed by first, second and third stage diverters 13, 14, 15 and rises, and dust in the waste gas is collected by plural filter clothes 6 hung from the upper part of the vessel 1. When the waste gas passes through a slaked lime layer stuck on the surface of the filter clothes 6, it is reacted and treated with the slaked lime and flows out from a treated gas outlet 3. The flow diverters 13, 14, 15 each form an opening by right and left guide vanes and upper and lower dispersing plates 21, 25a, 25b, and in the upper part of the other dispersing plate, a flap 23 is projected at an angle of 20 deg.. And since only the guide vane of the first stage flow diverter 13 is cut in the lower part thereof, sticking of slaked lime on the surface of the filter cloths is improved and dust deposition in the hopper inlet part is also reduced.