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Air particulate matter monitoring system

An air particulate matter and monitoring system technology, which is used in particle suspension analysis, measurement device, suspension and porous material analysis, etc. problems, to achieve the effect of low cost, multiple functions, and improved efficiency and accuracy

Inactive Publication Date: 2015-10-21
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the current air particle monitoring system is costly and cumbersome, and is not suitable for popularization. Moreover, the detection efficiency is limited, and it cannot meet the application of a high-precision particle monitoring system.

Method used

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  • Air particulate matter monitoring system

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Embodiment Construction

[0019] The present invention will be described in detail below with reference to the accompanying drawings. It should be understood, however, that the accompanying drawings are provided only for a better understanding of the present invention, and they should not be construed to limit the present invention.

[0020] like figure 1 As shown, the present invention provides an air particulate matter monitoring system, which includes a sampling air inlet 1, an inverted funnel-shaped mouth 4, a filter paper 5, a particle collection box 6, a sampling pump 10, a pH collection box 14, a condenser 16, a flow meter 17 and the suction pump 18, the sampling air inlet 1 is in the shape of a positive funnel, the sampling air inlet 1 communicates with the inverted funnel-shaped port 4 through the trachea, and the inverted funnel-shaped port 4 communicates with the particle collection box 6, and the The particle collection box 6 is connected to the sampling pump 10, the sampling pump 10 is co...

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Abstract

The invention provides an air particulate matter monitoring system. The system comprises a sampling air inlet, an inverted funnel-shaped opening, filter paper, a particle acquisition box, a sampling pump, a pH value acquisition box, a condenser, a flow meter and a getter pump, wherein the upper surface of the filter paper is arranged under the inverted funnel-shaped opening, the portion, under the inverted funnel-shaped opening, of the filter paper is in the shape of an arc, and the arc is concave towards the inverted funnel-shaped opening. By the adoption of the system, more particles in the air can be adsorbed onto the filter paper, the particle adsorbing efficiency and precision of the filter paper are improved, it is guaranteed that particles can be collected at the optimum temperature by analyzing the precision of particulate matter on the filter paper and arranging a heating thermostat and a heat insulating layer, and the influence of temperature on particles in the air is reduced; after particle measurement is conducted, a spraying device is adopted for testing the pH value of the air through spraying so that people can learn the pH value of the atmosphere in time.

Description

technical field [0001] The invention relates to the technical field of air quality monitoring, more particularly to an air particulate matter monitoring system, and belongs to the technical field of gas quality detection. Background technique [0002] In 2012, my country issued the "Ambient Air Quality Standards" (GB3095-2012), which included PM2.5 in the air quality evaluation system for the first time. Studies have shown that the environmental effects and health effects of particulate matter are closely related to the mass concentration of particulate matter, but the same quality, different sizes . Particulate matter with different chemical compositions has significantly different environmental and health effects. Online monitoring of the physical and chemical properties of atmospheric particles is not only directly conducive to the implementation of the new standard, but also to fully grasp the pollution characteristics of fine particles with high precision, reveal the caus...

Claims

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Application Information

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IPC IPC(8): G01N15/06
Inventor 刘志坚杨凯
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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