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Classification method of hotspot grid pollution types

A classification method and grid technology, applied in the analysis of materials, particle suspension analysis, analysis of gas mixtures, etc., can solve problems such as inability to effectively trace the source, large manpower and material resources, and inability to guarantee the accuracy of satellite identification, and improve supervision efficiency. , saving manpower and improving the effect of inspection accuracy

Inactive Publication Date: 2019-07-12
BEIJING MUNICIPAL ENVIRONMENTAL MONITORING CENT
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Problems solved by technology

[0005] Classifying grid pollution types only through on-site law enforcement will consume a lot of manpower and material resources, but the accuracy cannot be guaranteed through satellite identification and other means, and effective traceability cannot be achieved. Therefore, an efficient and accurate hot spot grid pollution type is needed classification method

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  • Classification method of hotspot grid pollution types
  • Classification method of hotspot grid pollution types
  • Classification method of hotspot grid pollution types

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0025] The present invention proposes classification based on time-varying concentration characteristics based on differences in time curves of different pollution source concentrations. Such as figure 1 As shown, the classification method of hotspot grid pollution type that the present invention proposes comprises:

[0026] Obtain the historical concentration data of pollutants in each hotspot grid, and calculate the concentration characteristics of each hotspot grid over time;

[0027] Determine the pollution type of each hotspot grid according to on-site monitoring;

[0028] Establishing a mathematical model, and using the time-varying concentration characteristics and corresponding pollution types of each hotspot gr...

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Abstract

The invention discloses a classification method of hotspot grid pollution types. The method comprises the following steps: acquiring historic concentration data of pollutant of each hotspot grid, calculating concentration features of each hotspot grid varying with time; determining the pollution type of each hotspot grid according to on-site monitoring; building a mathematic model, training with the concentration features of each hotspot grid varying with time and corresponding pollution type; obtaining pollutant concentration data of each hotspot grid monitored in real time, calculating the concentration features varying with time, inputting the concentration features into the trained mathematic model, and obtaining the pollution type of the hotspot grid. The method provided by the invention can improve accuracy of pollution type classification, improve supervision efficiency and save labor force.

Description

technical field [0001] The invention belongs to the field of air pollution monitoring, and in particular relates to a method for classifying pollution types of hot spot grids. Background technique [0002] Air pollutants refer to those substances that are discharged into the atmosphere due to human activities or natural processes and have harmful effects on people and the environment, such as: particulate matter: refers to liquid and solid substances in the atmosphere, also known as dust, such as pm2.5, sulfur Oxides: the general term for sulfur oxides, including sulfur dioxide, sulfur trioxide, disulfur trioxide, sulfur monoxide, etc. Carbon oxides: mainly carbon monoxide. Nitrogen oxides: the general term for nitrogen oxides, including nitrous oxide, nitrogen monoxide, nitrogen dioxide, nitrogen trioxide, etc. Hydrocarbons: Compounds formed of carbon and hydrogen, such as methane, ethane and other hydrocarbon gases. Other harmful substances: such as heavy metals, fluori...

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Application Information

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IPC IPC(8): G01N15/06G01N33/00G06K9/62
CPCG01N15/06G01N33/0004G06F18/24G01N15/075Y02A50/20
Inventor 刘保献张大伟李云婷孙峰王欣王步英廖炳瑜董欣严京海
Owner BEIJING MUNICIPAL ENVIRONMENTAL MONITORING CENT
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