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Atmosphere particles- carbon black aerosol quality and concentration monitor and monitoring method

A technology for atmospheric particulate matter and mass concentration, applied in particle suspension analysis, instrumentation, meteorology, etc., can solve the problems of complex operation, high monitoring cost, unfavorable real-time monitoring of carbon black aerosol, etc. high precision effect

Inactive Publication Date: 2008-02-13
合肥霍金光电科技有限公司
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Problems solved by technology

However, the operation of this method is complicated and the monitoring cost is high, which is not conducive to the continuous real-time monitoring of carbon black aerosol.

Method used

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  • Atmosphere particles- carbon black aerosol quality and concentration monitor and monitoring method
  • Atmosphere particles- carbon black aerosol quality and concentration monitor and monitoring method
  • Atmosphere particles- carbon black aerosol quality and concentration monitor and monitoring method

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Experimental program
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Embodiment Construction

[0041] Atmospheric particulate matter of the present invention---the carbon black aerosol mass concentration, mainly by LED light source array 11, gas monitoring room 4, reference photoelectric detector 13, measure photoelectric detector 14, paper-feeding transmission mechanism, three-way electromagnetic valve 8, mass flow rate A controller 7, an air pump 1, and a gas filter 6 are composed; in the above-mentioned gas monitoring chamber 4, the top is an LED light source array 11, and the bottom of the gas monitoring chamber 4 is a sealed transparent glass partition 12, and the light of the LED array 11 passes through Behind the glass partition 12, the energy distribution is uniform; there is only one air-permeable window on the glass partition 12; the bottom of the gas monitoring chamber is pressed on the uniformly transparent quartz filter paper belt, and the optical glass installed on the base is below the paper belt. Partition, under the partition is a reference photodetector...

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Abstract

The invention discloses an atmospheric particle black carbon aerosol quality concentration monitoring instrument, including an air monitoring room. The upper end of the air monitoring room is connected with a suspended absorption electromagnetic iron. The top of the air monitoring room is provided with a LED light source array. The air monitoring room is communicated with an air inlet. The bottompart of the air monitoring room is a glass plate, which is equipped with a breathable window. A quartz filter paper belt is arranged under the air monitoring room. Two reference and measurement photoelectric detectors are arranged under the quartz filter paper belt. One detector is used for reference and another detector is used for test. With an optical attenuation method adopted, the invention has the advantages of good real-time performance, high precision and low cost, improved automation degree, time and labor-saving performance and all-weather automatic continuous operation. The continuous and real-time on-line monitoring of the atmospheric particle black carbon aerosol is ensured.

Description

technical field [0001] The invention relates to the field of environmental protection monitoring, in particular to an instrument and method for conveniently and online monitoring the mass concentration of atmospheric particulate matter-carbon black aerosol. Background technique [0002] Carbon black aerosol has a very important impact on regional and even global climate and environmental changes. Its particle size is generally less than 2.5 microns, and it is more harmful to human health than PM10. Therefore, it has gradually become the detection object of meteorological departments and environmental protection organizations in various countries. At present, the international methods for detecting carbon-containing aerosols mainly include: [0003] A. Turbidity measurement method: This method uses a traditional "turbidity coefficient" sampler (CoefficientOf Haze tape sampler, referred to as COH) to collect aerosol at a certain point for a fixed period of time, and then measu...

Claims

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Application Information

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IPC IPC(8): G01N15/06G01N21/17G01W1/14G06F19/00
Inventor 李季章月法戚俊刘文清刘建国魏庆农
Owner 合肥霍金光电科技有限公司
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