Two-channel automatic particulate monitoring device

An automatic monitoring, dual-channel technology, applied in measurement devices, particle suspension analysis, suspension and porous material analysis, etc., can solve the problems of inconvenient use, large occupied area, and large maintenance, and achieve convenient maintenance and flexible use. , the effect of long operating cycle

Inactive Publication Date: 2015-05-27
中山欧麦克仪器设备有限公司
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  • Abstract
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Problems solved by technology

[0005] At present, most automatic monitoring instruments on the market are single-channel particle monitors, which can only measure one parameter of PM10 or PM2.5. Two instruments are required to measure two parameters, which occupy a large area, cost high, and require a lot of maintenance. inconvenient
Although there are related dual-channel particulate matter automatic detecti

Method used

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  • Two-channel automatic particulate monitoring device

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Embodiment Construction

[0031] Please refer to figure 1 As shown, it shows the specific structure of a preferred embodiment of the present invention, a dual-channel particulate matter automatic monitoring device, including a dual-channel particulate matter adopting module 10 and a dual-channel atmospheric particle matter detection module 20 .

[0032] Wherein, the dual-channel particle adopting module 10 includes a sampling air pump 11, an air flow proportional regulating valve 12, and a dual-channel particulate matter sampler 13, and the gas enters the dual-channel particulate matter sampler 13 through the air flow proportional regulating valve 12 under the action of the sampling air pump 11, The dual-channel particulate matter sampler 13 includes a housing in which two sampling control units 14 are arranged, and each sampling control unit 14 includes an air flow channel, and air inlets are respectively opened on the housing along the two ends of the air flow channel. 15 and an air outlet 16, the ai...

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Abstract

The invention discloses a two-channel automatic particulate monitoring device. The two-channel automatic particulate monitoring device comprises a two-channel particulate using module and a two-channel atmospheric particulate detection module. The two-channel particulate using module comprises a sampling gas pump, a gas-flow-ratio adjusting valve and a two-channel particulate sampler. Gas enters the two-channel particulate sampler via the gas-flow-ratio adjusting valve under the action of the sampling gas pump. The two-channel atmospheric particulate detection module comprises two detection channels, a filter paper tape, a filter paper tape supporting structure and a detection platform, wherein each detection channel comprises a sample gas path, a detector and a radioactive source. The monitoring device has a simple structure, realizes rapid and accurate sampling, effectively improves the sampling quality of an atmospheric particulate sampling system and can simultaneously measure the concentrations of particulates with two different particle sizes, i.e., PM10 and PM2.5, in the atmospheric environment.

Description

technical field [0001] The invention relates to the technical field of detection equipment, in particular to a dual-channel particle automatic monitoring device. Background technique [0002] The atmospheric environment has a vital impact on people's life and health, so the monitoring of particulate matter in the atmospheric environment is also particularly important. For a period of time, PM10 inhalable particulate matter has been the focus of monitoring the atmospheric environment, while PM2.5 fine particulate matter is mainly collected for scientific research, so currently routinely used fine particle samplers are all small flow. However, with the deepening of scientific research, people have a better understanding of the physical and chemical properties of fine particles, and found that these particles with an aerodynamic diameter of less than 2.5 μm have a greater impact on the human respiratory system. Because the fine particles suspended in the air often adsorb some ...

Claims

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Application Information

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IPC IPC(8): G01N15/06
Inventor 石冰鑫李景云
Owner 中山欧麦克仪器设备有限公司
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