Classified sampling device for air particulate matter for environmental monitoring

Abstract

The invention provides an air particulate matter grading sampling device for environment monitoring. The device comprises a bottom plate, a fixed plate and a sampling pipe, wherein a cylindrical exhaust base is fixedly soldered on the plane of the top of the bottom plate; a cuboid electronic control case is fixedly arranged on the side edge of the front end of the bottom plate; a half-cylindricalfixed shell is fixedly upward soldered at the half-circular part of the front end of the top of the exhaust base; the left end of the fixed shell is in rotating connection with a movable shell which is buckled with the fixed shell through a hinge; and the side edge of the right end of the movable shell and the side edge of the right end of the fixed shell are fixedly connected together through connecting lugs with fixing bolts. According to the air particulate matter grading sampling device, air particulate matters are collected in a grading manner by virtue of the sampler due to matching of the structures, and samples are directly collected outside the sampler to facilitate quick collection and treatment, so that the air particulate matters can be directly collected from the sampler, andcomplex operation for detaching the device and taking out samples can be avoided.

Description

technical field [0001] The present invention relates to the technical field of environmental measurement equipment, and more specifically relates to an air particle classification sampling device for environmental monitoring. Background technique [0002] Atmospheric particulate matter is not only an important pollutant that endangers human health and affects regional environmental quality, but also plays an important role in global climate change, and these effects and hazards are mainly related to the concentration, chemical composition and particle size distribution of particulate matter. The analysis of the chemical composition of atmospheric particulate matter is not only an important means and way to study atmospheric chemistry, but also related to government decision-making and planning. In the development of atmospheric particulate matter research methods, single particle analysis technology can accurately determine the size, shape, mixing state and chemical composit...

AI Technical Summary

Problems solved by technology

[0006] To sum up, the present invention provides an air particle classification sampling device for environmental monitoring. Through the improvement of structure and function, it is easy to cause large measurement errors during the sampling process of the collector, and during the collection process Among them, it is difficult to carry out particle-level subdivision, which makes it difficult to quickly measure the air particle density and increases the difficulty of detection.

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