Atmospheric pollution gas detection system

Abstract

The invention discloses an atmospheric pollution gas detection system, and relates to the technical field of environment detection, the atmospheric pollution gas detection system comprises a gas collection shell, each of the left and right sides of the gas collection shell is embedded with a gas inlet pipe and an exhaust pipe, the right end of the gas inlet pipe is detachably connected with a sealing cover, and the exhaust pipe extends into the inner cavity of the gas collection shell. A negative pressure pump is arranged at the left end of the exhaust pipe, a constant potential electrolysis sensor is arranged at the center of an inner cavity of the gas collection shell, a flow guide frame is arranged in the position, close to the right side, of the inner cavity of the gas collection shell, the flow guide frame is located on the left side of the exhaust pipe, and the flow guide frame comprises an arc-shaped fixing frame and a particle collecting frame. The sampling workload is reduced, meanwhile, the atmosphere sampling capacity is increased, adhesion of particulate matter and dust in the gas collecting shell is effectively reduced, the particulate matter and the dust can enter the collecting box in an oscillating mode, and the situation that external pollutants enter the gas collecting shell to affect the constant potential electrolysis sensor is effectively avoided.

Description

technical field [0001] The invention relates to the technical field of environmental detection, in particular to an air pollution gas detection system. Background technique [0002] Atmospheric pollution is a phenomenon in which certain substances enter the atmosphere due to human activities or natural processes, present a sufficient concentration and reach sufficient time, and thus endanger the comfort, health and welfare of the human body or the environment. Air pollutants are caused by human sources. Or natural sources enter the atmosphere (input), participate in the circulation process of the atmosphere, and after a certain residence time, are removed from the atmosphere through chemical reactions, biological activities and physical deposition in the atmosphere (output). If the output rate is less than the input rate, it will be relatively concentrated in the atmosphere, resulting in an increase in the concentration of a certain substance in the atmosphere. When the con...

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Problems solved by technology

[0006] The invention provides an air pollution gas detection system, one of which is to have the function of convenient sampling, and solve the problem that the traditional air pollution gas detection system is usually used by the staff with a small amount of sampling, a large amount of labor, and low accuracy. Another purpose is to solve the traditional air pollution gas detection system. In the process of gas detection and discharge, it is not convenient to deal with the particles and dust mixed in the gas, so that it will produce residual problems, so as to achieve Facilitate the effect of later detection and cleaning work

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