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An on-site detection device for the emission of air pollutants from civil solid fuel combustion

A technology for air pollutants and solid fuels, which is used in measuring devices, sampling devices, and absorption and weighing by means of substances, to achieve the effect of simplifying the system and compacting the structure.

Active Publication Date: 2020-06-16
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The present invention aims at the defects and deficiencies of the above-mentioned existing air pollutant emission detection system for civil solid fuel combustion, and provides an on-site detection device and detection method for civil solid fuel combustion air pollutant emission

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  • An on-site detection device for the emission of air pollutants from civil solid fuel combustion
  • An on-site detection device for the emission of air pollutants from civil solid fuel combustion
  • An on-site detection device for the emission of air pollutants from civil solid fuel combustion

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Embodiment Construction

[0070] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments described below are intended to facilitate the understanding of the present invention and do not have any limiting effect on it.

[0071] The on-site detection device for air pollutants emitted by the combustion of civil solid fuels of the present invention includes a flue gas intake part, a dilution air part, a dilution mixing part, and a sampling part.

[0072] Such as figure 1 As shown, the flue gas intake part is composed of an impingement particle separator 101, a heating sampling tube 102 and a flow meter I103. Among them, the impingement particle separator 101 adopts a self-designed impingement structure. Its inlet end extends into the flue, and the inlet end is equipped with a sampling nozzle to sample the airflow. The airflow is smooth, which can reduce the loss of particulates and is used to remove smoke....

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Abstract

The invention discloses a civil solid fuel combustion atmospheric pollutant emission field detection device which is characterized by comprising a flue gas inlet part, a dilution air part, a dilutionmixing part and a sampling part. The civil solid fuel combustion atmospheric pollutant emission field detection device can measure the emission concentration of civil solid fuel combustion particles and gases such as CO2, CO, SO2 and NOx, and can accurately determine an emission factor thereof. In addition, the civil solid fuel combustion atmospheric pollutant emission field detection device has the advantages of compact structure, simplified system and the like, and is suitable for field application.

Description

Technical field [0001] The invention belongs to the technical field of environmental monitoring, and relates to an on-site detection device for civil solid fuel combustion air pollutant emission. Background technique [0002] The combustion of civil solid fuels is an important source of air pollution in my country. It is estimated that the SO emissions from the civil sector in 2017 2 , NO x , CO and PM 2.5 They account for 23%, 3.6%, 42%, and 39% of their total emissions, but their emissions have greater uncertainty. In addition to the greater uncertainty of activity levels, the uncertainty of emission factors is also quite Large, and sampling is an important factor affecting the uncertainty of emission factors. Emission factors refer to the amount of pollutants discharged by a unit activity, which is an important parameter for establishing an air pollutant emission inventory; an emission inventory refers to the emission sources of various pollutants within a certain range, which...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/06G01N5/04G01N5/02G01N33/00G01N1/24
CPCG01N1/2208G01N5/02G01N5/04G01N15/0618G01N33/0016G01N33/0021G01N33/0031G01N2015/0675Y02A50/20
Inventor 李兴华谢岩杨凯强阮兵
Owner BEIHANG UNIV
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