On-Line Monitoring System for Monitoring SO2 in Fumes（2） — Monitoring Subsystem for SO2 Flow Velocity and Flow Rate

Shi Long Wang; Li Na Wang; Yong Hui Cai; Hong Bo Wang

doi:10.4028/www.scientific.net/AMR.422.233

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 422On-Line Monitoring System for Monitoring SO2 in...

On-Line Monitoring System for Monitoring SO₂ in Fumes（2） — Monitoring Subsystem for SO₂ Flow Velocity and Flow Rate

Abstract:

A SO₂ on-line monitoring system (CEMS) has been developed by the author based on the principle of electrochemistry. This system consists of SO₂ mass concentration monitoring subsystem (the subsystem had been described in on-line system for monitoring SO₂ in fumes（1）) and SO₂ flow velocity and flow rate monitoring subsystem. In the paper, the working principle and procedure of SO₂ flow velocity and flow rate monitoring subsystem are described in detail. In the meantime, an advanced method for measuring average flow velocity of fumes by mean of “velocity field constant” is presented. A innovative device has been developed to detect velocity field constants automatically, which has resolved the technical difficulty in automated monitoring of fumes average velocity in the flue.

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Periodical:

Advanced Materials Research (Volume 422)

Pages:

233-237

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.422.233

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Online since:

December 2011

Authors:

Shi Long Wang, Li Na Wang, Yong Hui Cai, Hong Bo Wang

Keywords:

Average Flow Velocity, Dynamic Pressure, Mass Concentration, Online Monitoring, SO₂, Static Pressure, Velocity Field Constants

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References

[1] HJ/T76－2007: Technical Requirements and Detected Methods of Continuous Monitoring System to Discharge Fumes for Stationary Pollution Source. in Chinese.

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[2] Editorial Board of The Method Guide of Monitoring and Analysis for Air and Waste Gas: Chines Environmental Science Press (2006),p.577－583. in Chinese.

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[3] Li Xu: On-line Monitoring System for Monitoring SO2 in Fumes for Boilers, Changchun University of Technology (2003),p.6－21. in Chine.

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