Automatic particle monitor

Abstract

An automatic particle monitor belongs to the technical field of atmosphere monitoring equipment and is used for monitoring the concentration of particles in atmosphere. The technical scheme includes that the automatic particle monitor consists of a dust sample separating portion, a dust sample collecting portion, a paper tape conveying portion, a dust sample detecting portion and a constant-flow portion, a cutter component of the dust sample separating portion is in direct-insertion type hard connection with a sampling tube of the dust sample collecting portion, a pipeline adapter connected to the lower end of the sampling tube is hermetically connected with a shell, the dust sample detecting portion is embedded in the dust sample collecting portion, a glass fiber filter tape of the paper tape conveying portion penetrates between a direct-proportion counter of the dust sample detecting portion and a radioactive source, a plurality of sensors and an adjusting valve of the constant-flow portion are connected onto a pipeline at the rear of an air outlet tube of the dust sample collecting portion, and the adjusting valve is connected with an external pump. The automatic particle monitor has the advantages that the automatic particle monitor is simple in structure, long in operating cycle and convenient in maintenance, monitors data fast and accurately, realizes real-time transmission and control with a center control station, does not need reagent, is pollution-free, and the like.

Description

technical field [0001] The invention relates to an automatic monitoring device for atmospheric particulate matter, in particular to an online monitoring device capable of continuously collecting particulate matter in the atmospheric environment online and accurately measuring the concentration of the particulate matter, and belongs to the technical field of automatic monitoring equipment for ambient air. technical background [0002] Atmospheric particulate matter refers to the general term for solid or liquid particulate matter dispersed in the atmosphere, and its particle size ranges from about 0.1 to 100 microns. According to particle size, it can be divided into TSP (Total Suspended Particulate) with an aerodynamic diameter of less than or equal to 100 μm and inhalable particulate matter with an aerodynamic diameter of less than or equal to 10 μm 10 (Particles with Diameters of 10μm or less). Inhalable particulate matter can be divided into fine particle PM 2.5 (ae...

AI Technical Summary

Problems solved by technology

However, the instrument structure used in this method is complex, not convenient to use, and the failure rate of some instruments is high, which cannot meet the growing needs of environmental monitoring in the current industrial and agricultural production and people's lives.

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