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VOCs on-line monitoring, sampling and pretreating system

A pretreatment and pretreatment device technology, applied in the field of VOCs, can solve the problems of high maintenance costs, short life of sampling devices, poor stability of VOCs monitors, etc., and achieve the effect of ensuring service life and accurate monitoring

Inactive Publication Date: 2017-05-31
UNIVERSTAR SCI & TECH SHENZHEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Problems and shortcomings of the existing technical solutions: the life of the sampling device is not long, the dehumidification and dust removal of the gas sample is not enough, resulting in poor stability of the VOCs monitor and high maintenance costs

Method used

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  • VOCs on-line monitoring, sampling and pretreating system

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Embodiment Construction

[0019] The present invention provides a VOCs online monitoring sampling and preprocessing system, which is applied to the technical field of VOCs. The VOCs online monitoring sampling and preprocessing system of the present invention includes: a sampling device connected to the sampling device and having a full-process equilibrium heating function Transmission device and pretreatment device for dust removal, drying, constant pressure and constant flow of sample gas. The sampling device is specially designed for special working conditions such as high temperature, high dust, high moisture, strong corrosion, special gas, etc. The probe is designed specifically to ensure the service life of the probe; the sample gas is subjected to three-stage filtration, drying and constant temperature and constant flow , The VOCs after this pretreatment enter the external VOCs monitoring equipment, not only can accurately monitor the VOCs, but also will not damage its internal components, and ensu...

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Abstract

The invention discloses a VOCs on-line monitoring, sampling and pretreating system, comprising a sampling device, a transmission device and a pretreating device, wherein the transmission device is connected with the sampling device and has a full-range equalized heat tracing function, and the pretreating device is used for performing dedusting, drying and constant pressure constant current on sample gas. The sampling device is specially designed for special working conditions such as high temperature, high dust, high moisture, strong corrosion and special gas, a probe is designed with pertinence for ensuring the service life of the probe; three-stage filtration, drying and constant temperature constant current are performed on the sample gas; VOCs after the pretreatment enters external equipment for monitoring VOCs, and VOCs can be accurately monitored and cannot damage the internal elements of the external equipment, thus ensuring the service life of the external equipment.

Description

Technical field [0001] The invention relates to the technical field of VOCs, in particular to a VOCs online monitoring sampling and pretreatment system. Background technique [0002] The purpose of atmospheric monitoring is to conduct regular or continuous monitoring of the main pollutants in the atmospheric environment, to provide a basis for studying the changing laws and development trends of atmospheric quality, and to carry out forecasting and forecasting of atmospheric pollution. With the progress of human civilization, more and more pollutants are released into the atmosphere. Among them, the most serious organic pollutants are VOCs (volatile organic compounds). Therefore, the monitoring of VOCs is an important task of atmospheric monitoring. [0003] VOCs have a wide range of sources, including industrial stationary sources, motor vehicle exhaust emission sources, and daily life sources. Industrial stationary sources are the main emission sources, which have the characteris...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/24G01N1/34G01N1/44G01N33/00
CPCG01N1/24G01N1/34G01N1/44G01N33/0016
Inventor 朱军华吕俊鹏张丽鲁志刚
Owner UNIVERSTAR SCI & TECH SHENZHEN
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