Characteristics And Concentration Of Volatile Particles In Spray Workshop

In order to solve the harm caused by the volatile particulate matter sprayed by workshops on workers and the economic losses caused by the company,in order to solve the detection of volatile particulates in the spray shop,the main components and explosive characteristics of the volatile particulates in the paint were analyzed through experiments.According to the physical characteristics of volatile particles,which are easily heated and condense,the sampler sampling principle,the principle of filter weight gain measurement,and the circuit intelligent control technology based on the single-chip C++software program,a spraying workshop was designed to volatilize.Particle concentration detection device.The device can not only detect the concentration of volatile particles,but also collect volatile particles.The device is practical and reliable,with high accuracy,and can well detect the concentration of volatile particles,providing a new means and a new approach for the detection of volatile particulate matter concentration in shipbuilding workshops.It also provides sample sources for the study of laboratory volatile particles.First,the main components of the volatile components in the paint were analyzed by thermo gravimetry-infrared spectroscopy,and the explosion characteristics of the paint particles were analyzed using a 20 L spherical explosion test.Secondly,taking the pump as the power source and the membrane weighing method as the measurement method,the volatile particle concentration detection device was designed according to the physical and chemical characteristics of the paint shop’s paint and the sampling principle.The device mainly includes five systems,such as sampling gas source transport,non-volatile particulate material collection,volatile particulate compensation,exhaust gas collection,and intelligent control.Starting from the whole concentration detection device,a cyclone-type particle separator cutter was designed according to the principle of particle cutter separation to achieve the separation and cutting of particulate matter;a dynamic heating device was designed according to the principle of temperature-controlled electric heating rod to accelerate the volatilization of volatiles in the paint and prevent Condensation;According to the sampling principle of the membrane,the transmission principle and the continuous sampling action requirements,an automatic membrane changing device was designed to achieve continuous sampling,and the static analysis was performed using the ANSYS software.The results showed that the device has high safety.And stability;According to the principle of condensation designed condensing system to increase the sampling effect of volatile particles;According to the characteristics of volatile particulate matter design tail gas treatment device,to provide raw materials for laboratory research.Then,according to the intelligent control circuit technology,an intelligent system based on single-chip microcomputer is designed to realize remote automatic control.Guided by safety technology and engineering theory,the feasibility of device design was verified theoretically from the perspective of mechanical and electrical control,and the R&D analysis device containing volatile particulate matter concentration was analyzed and theoretically demonstrated.A compensation algorithm for volatile particulates was proposed and theoretical proof was used.The feasibility of the algorithm;Finally,the components of 3D printing were assembled and debugged,and the orthogonal experiment and quantitative experiment were performed based on the weighing method of electronic balance.The compensation test analysis was fitted by a one-way quadratic function,and the device had a good detection effect.