Method and system for on-line monitoring of atmospheric pollutants

A technology of air pollutants and pollutants, which is applied in the direction of measuring devices, suspension and porous material analysis, instruments, etc., can solve the problems of simultaneous monitoring of the concentration of pollutants, and achieve the effect of avoiding mutual equipment interference and reducing deviation

Inactive Publication Date: 2013-02-13
杭州富铭环境科技有限公司
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the present invention provides a method and system for on-line monitoring of air pollutants to overcome the inability to simultaneously monitor the concentration of air pollutants in the prior art due to the on-line monitoring of air pollutants, resulting in The problem of not being able to provide accurate monitoring data for the control of air pollution in a timely and rapid manner

Method used

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  • Method and system for on-line monitoring of atmospheric pollutants
  • Method and system for on-line monitoring of atmospheric pollutants

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Embodiment 1

[0052] A method for online monitoring of atmospheric pollutants disclosed in the first embodiment of the present invention, the flowchart of which is as follows figure 1 It mainly includes the following steps:

[0053] Step S11: Control the filter membrane conveyor to transmit the blank filter membrane to N pollutant detectors in turn, and each pollutant detector measures the reference concentration of the corresponding pollutant type on the blank filter membrane, and measures the The obtained reference concentration is sent to the upper computer;

[0054] In the process of performing step S11, a set of filter membrane conveyors are used to transport the filter membranes, and the transmission process is sequential and simple, which reduces the deviation of the detection results of N pollutants caused by the complexity of the transmission system during the sample transmission process. .

[0055] Step S12: controlling the filter membrane conveyor to transmit the blank filter m...

Embodiment 2

[0063] Based on the method for online monitoring of atmospheric pollutants disclosed in the first embodiment, and on this basis, the second embodiment of the present invention also discloses a method for online monitoring of atmospheric pollutants. When the online monitoring system for atmospheric pollutants When there are two pollutant detectors, namely the first pollutant detector and the second pollutant detector, the flow chart is as follows figure 2 It mainly includes the following steps:

[0064] Step S21: control the filter membrane conveyor to transmit the blank filter membrane to the first pollutant detector, measure the concentration of the first pollutant corresponding to the type of the first pollutant detector on the blank filter membrane, and measure the concentration of the first pollutant. The concentration of the first pollutant is transmitted to the upper computer as the reference concentration value of the first pollutant;

[0065] Step S22: controlling th...

Embodiment 3

[0082] The third embodiment of the present invention discloses a system for online monitoring of atmospheric pollutants, the structure of which is as follows image 3 As shown, it mainly includes: filter membrane conveyor A1, power unit A2, sampler A3, N pollutant detectors A4 and host computer A5.

[0083] The filter membrane conveyor A1 is connected to the filter membrane conveyor A1, and controls the filter membrane conveyor A1 to do the power device A2 of the transmission movement;

[0084] Connect with the filter membrane conveyor A1, and place the sample after sampling the atmosphere in the blank filter membrane to generate the sample filter membrane sampler A3;

[0085] Connect to the filter membrane conveyor A1, and detect the reference concentration of the corresponding pollutant type on the blank filter membrane transmitted by the filter membrane conveyor A1, and detect the sample filter transmitted by the filter membrane conveyor A1. N contaminant detectors A4 with...

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Abstract

The invention discloses a method and a system for on-line monitoring of atmospheric pollutants. A control filtering film conveying device sequentially conveys blank filtering films to N pollutant detectors which measure benchmark concentration of corresponding types of pollutants on the blank filtering films and transmit the measured benchmark concentration to an upper computer. The control filtering film conveying device conveys blank filtering films to a sampler, and atmosphere samples sampled by the sampler are arranged on the blank filtering films to obtain sample filtering films. The control filtering film conveying device sequentially conveys the sample filtering films to the N pollutant detectors which measure sample concentration of corresponding types of pollutants on the sample filtering films and transmit the measured sample concentration to the upper computer. The upper computer analyzes the benchmark concentration and the sample concentration of various types of the pollutants to obtain content values of various types of the pollutants in the atmosphere. By means of the method and the system for on-line monitoring of the atmospheric pollutants, accurate monitoring data can be timely and quickly provided for treatment of atmospheric pollution.

Description

technical field [0001] The invention relates to the field of environmental protection monitoring, and more particularly, to a method and system for online monitoring of atmospheric pollutants. Background technique [0002] With the development of my country's economy, the problem of environmental pollution has become more and more serious, especially the air quality problem has attracted more and more attention. At present, the pollutants existing in the atmosphere mainly include sulfur dioxide, nitrogen oxides, particulate matter and heavy metals. The existing method is to collect and monitor the pollutants in the atmosphere through the filter membrane, that is, to first detect the blank filter membrane and collect the pollutants. The weight of the filter membrane of the substance is used to indirectly measure the concentration of pollutants in the air. [0003] For example, the existing online monitoring system uses the above method to measure only a single parameter of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/06G01N33/00
Inventor 苏明谢建立刘征陈明蒋益民
Owner 杭州富铭环境科技有限公司
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