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    • 1. 发明授权
    • Apparatus for automatically measuring dust concentration in flue gas
    • 用于自动测量烟气中灰尘浓度的设备
    • US5571946A
    • 1996-11-05
    • US301851
    • 1994-09-07
    • Hideyuki KoshiHiroshi FunanokawaSatoshi DoiKunihiro KondoToshiyuki UmedaToshihiro TakahashiMegumi Kikkawa
    • Hideyuki KoshiHiroshi FunanokawaSatoshi DoiKunihiro KondoToshiyuki UmedaToshihiro TakahashiMegumi Kikkawa
    • G01N1/02G01N1/22G01N5/00G01N5/02G01N35/00G01N37/00
    • G01N5/02G01N1/2258G01N1/2205G01N2035/00217
    • An apparatus for automatically measuring dust concentration in flue gas includes (a) a sampling unit for sampling dust in flue gas; (b) a measuring unit for measuring a gas flow of the flue gas; and (c) a feeding and weighing unit for feeding and weighing a filter paper for filtering the sampled gas, the feeding and weighing unit including (i) a filter paper cassette for storing the filter paper, (ii) a filter paper stocker for storing a plurality of the filter paper cassettes, (iii) a cassette pusher unit for pushing a filter paper cassette out of the filter paper stocker, (iv) a filter paper ascending unit for raising the filter paper, (v) a filter paper drier for drying the filter paper, (vi) a filter paper transfer arm for transferring the filter paper between the filter paper cassette, the filter paper ascending unit and the filter paper drier, (vii) a vibration-free balance for balancing the filter paper, and (viii) a hot air generation unit. A controlling unit is provided for transmitting data among the dust sampling unit, the measuring unit, and the feeding and weighing unit and for controlling a sequence of operations thereof.
    • 一种用于自动测量烟气中灰尘浓度的设备包括:(a)采样单元,用于对烟气中的灰尘进行采样; (b)用于测量烟气气体流量的测量单元; (c)用于对用于过滤取样气体的滤纸进给和称重的进料和称重单元,所述进料和称重单元包括(i)用于储存滤纸的滤纸盒,(ii)用于储存的滤纸储盘器 多个滤纸盒,(iii)用于将滤纸盒从滤纸储存器推出的盒式推进器单元,(iv)用于升高滤纸的滤纸上升单元,(v)用于 干燥滤纸,(vi)用于在滤纸盒,滤纸上升单元和滤纸干燥器之间传送滤纸的滤纸传送臂,(vii)用于平衡滤纸的无振动平衡和 (viii)热风发生单元。 提供控制单元,用于在灰尘取样单元,测量单元和进给和称重单元之间传送数据,并用于控制其顺序。
    • 2. 发明授权
    • Method for sampling flue gas for analysis containing gas component having high susceptibility to adsorption
    • 用于分析含有对吸附敏感性高的气体组分进行分析的烟道气的方法
    • US07730796B2
    • 2010-06-08
    • US11547029
    • 2004-04-01
    • Hiroshi ShimadaShinya TamuraNaoyuki TokunagaMegumi Kikkawa
    • Hiroshi ShimadaShinya TamuraNaoyuki TokunagaMegumi Kikkawa
    • G01N1/10
    • G01N1/2214G01N1/2258Y10T436/255
    • An object of the invention is to realize high-accuracy analysis of a flue gas in terms of a trace amount of ammonia so as to control the level of ammonia gas to be added to a flue gas NOx removal apparatus. Since the ammonia gas to be determined is a highly absorbable, the gas component is considerably adsorbed on a surface of the flue gas sampling tube during sampling of flue gas. When a conventional sampling method including heating a gas sampling tube is employed, the amount of sampled gas is reduced through adsorption during gas sampling, failing to obtain concentration values at high accuracy. Thus, a high-accuracy gas sampling method replacing a conventional, heating-based method includes completely washing out, with an absorption liquid therefor serving as a washing liquid, a target ammonia gas deposited on the inner wall of a flue gas sampling tube (2), whereby the gas component is thoroughly collected. Through analysis of the thus-obtained washing liquid, high-accuracy analysis can be attained.
    • 本发明的目的是实现对痕量氨的烟气的高精度分析,以控制要添加到烟道气NOx去除装置中的氨气的水平。 由于要测定的氨气是高吸收性的,所以在取样烟气期间,气体成分被很大程度地吸附在烟道气采样管的表面上。 当采用包括加热气体采样管的常规采样方法时,采样气体的采样量通过气体取样时的吸附而降低,不能以高精度获得浓度值。 因此,代替常规的基于加热的方法的高精度气体取样方法包括用作为洗涤液的吸收液完全清洗沉积在烟道气采样管(2)的内壁上的目标氨气 ),由此气体组分被充分收集。 通过对这样得到的洗涤液的分析,可以得到高精度的分析。
    • 3. 发明申请
    • Method for sampling flue gas for analysis containing gas component having high susceptibility to adsorption
    • 用于分析含有对吸附敏感性高的气体组分进行分析的烟道气的方法
    • US20070193374A1
    • 2007-08-23
    • US11547029
    • 2004-04-01
    • Hiroshi ShimadaShinya TamuraNaoyuki TokunagaMegumi Kikkawa
    • Hiroshi ShimadaShinya TamuraNaoyuki TokunagaMegumi Kikkawa
    • G01N1/22G01N1/34
    • G01N1/2214G01N1/2258Y10T436/255
    • An object of the invention is to realize high-accuracy analysis of a flue gas in terms of a trace amount of ammonia so as to control the level of ammonia gas to be added to a flue gas NOx removal apparatus. Since the ammonia gas to be determined is a highly adsorbable, the gas component is considerably adsorbed on a surface of the flue gas sampling tube during sampling of flue gas. When a conventional sampling method including heating a gas sampling tube is employed, the amount of sampled gas is reduced through adsorption during gas sampling, failing to obtain concentration values at high accuracy. Thus, a high-accuracy gas sampling method replacing a conventional, heating-based method includes completely washing out, with an absorption liquid therefor serving as a washing liquid, a target ammonia gas deposited on the inner wall of a flue gas sampling tube (2), whereby the gas component is thoroughly collected. Through analysis of the thus-obtained washing liquid, high-accuracy analysis can be attained.
    • 本发明的目的是实现对痕量氨的烟气的高精度分析,以便控制待添加到烟道气中的氨气的水平 仪器。 由于要测定的氨气是高吸附性的,所以在取样烟气期间,气体成分被充分吸附在烟道气采样管的表面上。 当采用包括加热气体采样管的常规采样方法时,采样气体的采样量通过气体取样时的吸附而降低,不能以高精度获得浓度值。 因此,代替常规的基于加热的方法的高精度气体取样方法包括用作为洗涤液的吸收液完全清洗沉积在烟道气采样管(2)的内壁上的目标氨气 ),由此气体组分被充分收集。 通过对这样得到的洗涤液的分析,可以得到高精度的分析。