Volatile organic compound (VOCs) online monitoring system

Abstract

The invention discloses a volatile organic compound (VOCs) online monitoring system and belongs to the field of monitoring of volatile organic compounds. The volatile organic compound (VOCs) online monitoring system mainly comprises a flue gas sampling probe, a heat tracing pipe, a pre-processing system, a gas carrier device, an electronic flow control system, a data analysis and processing system, an upper computer, a gas chromatographic analyzer and a hydrogen zero-stage air generator all-in-one machine; the flue gas sampling probe is connected with the pre-processing system and the gas chromatographic analyzer through the heat tracing pipe; the upper computer is connected with the gas chromatographic analyzer through signal control; the flue gas sampling probe, the gas carrier device and the hydrogen zero-stage air generator all-in-one machine are all connected with the gas chromatographic analyzer through the electronic flow control system. The gas chromatographic analyzer has double pre-processing effects, and an anti-blowing function is added on each set of switching valve; no memory effect of instrument analysis data is ensured, the repeatability is good, and the service life is long. The volatile organic compound online monitoring system disclosed by the invention is mainly used for monitoring of the volatile organic compounds.

Description

technical field [0001] The invention belongs to the field of monitoring of volatile organic compounds, and in particular relates to an online monitoring system of volatile organic compounds (VOCs). Background technique [0002] Volatile organic compounds (VOCs) are important precursors for the formation of secondary pollutants such as fine particulate matter (PM2.5) and ozone (O3), which in turn cause atmospheric environmental problems such as haze and photochemical smog. With the rapid development of my country's industrialization and urbanization and the continuous growth of energy consumption, the regional composite air pollution characterized by PM2.5 has become increasingly prominent, and the frequency of large-scale simultaneous occurrence of heavy air pollution in the region is increasing, which seriously restricts The sustainable development of social economy threatens the health of the people. In order to fundamentally solve pollution problems such as PM2.5 and O3, ...

AI Technical Summary

Problems solved by technology

However, at present, the foundation of VOCs pollution prevention and control in my country is relatively weak, and there are many problems such as unclear discharge base, unsound regulations and standards, lagging application of control technology, and insufficient environmental supervision.

At the same time, due to the complex sources of VOCs emissions, various forms of emissions, and a wide variety of substances, it is difficult to establish a VOCs pollution prevention and control system.

The existing VOCs online monitoring system has complex integration, large volume, low instrument function configuration, high cost, low production efficiency, and cannot separate special gas factors, and has a single function

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