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Heat tracing tank based high-precision FTIR (Fourier transform infrared spectroscopy) online measurement system for flue gas

A measurement system, high-precision technology, applied in the direction of measurement devices, material analysis through optical means, instruments, etc., can solve the problems of simultaneous detection of multiple gases, achieve accurate and reliable measurement results, stable gas path, and prevent measurement errors Effect

Inactive Publication Date: 2015-11-18
安徽蓝盾光电子股份有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem of the present invention is: to overcome the inability to simultaneously detect multiple gases in the prior art, and to provide a high-precision FTIR online measurement system for flue gas based on a heat tracing pool, which can measure the flue gas in various flue environments SO 2 , NO x Such as conventional flue gas and NH 3 , HCL, HF and other polluting gases to achieve high-precision online measurement

Method used

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  • Heat tracing tank based high-precision FTIR (Fourier transform infrared spectroscopy) online measurement system for flue gas
  • Heat tracing tank based high-precision FTIR (Fourier transform infrared spectroscopy) online measurement system for flue gas

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Embodiment Construction

[0013] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0014] Embodiment of the present invention: a high-precision FTIR online measurement system for flue gas based on a heat tracing pool. The sampling probe 1 is fixed at the detection point on the flue, and the flue gas in the flue is extracted by the sampling pump 8, and the dust is filtered through the sampling probe) , the filtered high-temperature flue gas sample gas enters the heat-tracing pool 3 through the heat-tracing pipe 2, and the gas path at the outlet end of the heat-tracing pool 3 is connected to the gas path inlet of the condenser 10, and the high-temperature flue gas is condensed by the condenser 10 The moisture in the gas sample gas is separated and discharged through the peristaltic pump 9 to protect the sampling pump 8 connected ...

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Abstract

The invention discloses a heat tracing tank based high-precision FTIR (Fourier transform infrared spectroscopy) online measurement system for flue gas. The system is characterized by comprising a sample probe, a heat tracing pipe, a heat tracing tank, a detector, a Fourier transform infrared spectrometer, a PC (personal computer), a rotor flow meter, a sampling pump, a peristaltic pump, a condenser, a pressure regulating filter, a first electromagnetic valve and the second electromagnetic valve, wherein an acquisition card is inserted into the PC. The system has the benefit as follows: the heat tracing tank and the FTIR technology are combined and applied to a multicomponent gas measurement system for flue gas.

Description

technical field [0001] The invention relates to the field of gas impurity detection, in particular to a high-precision FTIR online measurement system for flue gas based on a heat tracing pool. Background technique [0002] With the rapid development of our country's national economy, the environmental pollution caused by the atmospheric discharge of fixed pollution sources has become a very prominent problem. Due to the complex composition of flue gas emissions and the harsh environment of industrial sites, such as high temperature, it brings great difficulties to the monitoring and detection of flue gas emissions, especially the problem of accurate and high-precision measurement of gaseous pollutants. At present, in the on-line monitoring technology of gaseous pollutant concentration used in industrial pollution sources and production, the Fourier transform infrared transform analysis method not only has fast real-time measurement performance, but also can basically measure...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/3504
Inventor 钱江张帅张旭辉徐合林施奇兵吴玉笛
Owner 安徽蓝盾光电子股份有限公司
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