PM2.5 monitoring equipment

A monitoring equipment and equipment technology, applied in the preparation of test samples, instruments, analytical materials, etc., can solve problems such as inaccurate instrument detection, and achieve the effect of automatic system cleaning

Active Publication Date: 2012-09-19
BEIJING ANSAIBO TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to provide a PM2.5 monitoring equipment, which mainly solves the problem of inaccurate detection of existing instruments, especially the detection of VOC (VOLATILE ORGANIC COMPOUNDS) in the atmosphere

Method used

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Examples

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Embodiment Construction

[0036] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0037] The invention provides a PM2.5 monitoring device, figure 1 It is a schematic diagram of the equipment structure of Embodiment 1 of the present invention, such as figure 1As shown, a particle collection layer 101 is provided at the front end of the air intake of the device, followed by a plurality of first separation layers 102, a plurality of second separation layers 103, and an organic volatile detection layer 104, wherein the The particle collection layer 101 is used to collect multi-level particles in the atmosphere. In the embodiment of the present invention, the particle collection layer 101 is realized by a standard PM2.5 cutter, which can be filter paper or conventional inertial impact tablet;

[003...

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Abstract

The invention relates to PM2.5 monitoring equipment. The monitoring equipment comprises a particulate matter collection layer, a plurality of first separation layers, a plurality of second separation layers and a VOC (Volatile Organic Compounds) detection layer which are sequentially arranged, wherein the particulate matter collection layer is used for collecting multistage particulate matters in the atmosphere; the plurality of first separation layers are used for collecting particulate matters above PM2.5 according to different sizes; the plurality of second separation layers are used for collecting dust particles below PM2.5 according to different sizes and measuring the weight of the dust particles; and the VOC detection layer is used for detecting mass and volume parameters of VOC. By adopting the PM2.5 monitoring equipment provided by the invention, the VOC in the atmosphere can be accurately monitored without using a filter membrane, and system automatic washing can be realized.

Description

technical field [0001] The invention relates to the field of ambient air collection and monitoring, in particular to a PM2.5 monitoring device. Background technique [0002] PM2.5 refers to particulate matter with a diameter less than or equal to 2.5 microns in the atmosphere, also known as particulate matter that can enter the lungs. Although PM2.5 is only a small component of the earth's atmospheric composition, it has an important effect on air quality and visibility. Impact. Compared with coarser atmospheric particulate matter, PM2.5 has a small particle size, is rich in a large amount of toxic and harmful substances, has a long residence time in the atmosphere, and has a long transportation distance, so it has a greater impact on human health and the quality of the atmospheric environment. The main source of PM2.5 is the residues emitted by combustion during daily power generation, industrial production, and vehicle exhaust emissions, and most of them contain toxic sub...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/02G01N7/04G01N1/22G01N1/34
Inventor 詹姆斯・刘
Owner BEIJING ANSAIBO TECH
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