Experimental Study on Transporting Concentration of Pulverized-Coal Using ECT

Jing Liu; Zheng Du; Shan Shan Chen; Meng Sun

doi:10.4028/www.scientific.net/AMR.779-780.1052

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 779-780Experimental Study on Transporting Concentration...

Experimental Study on Transporting Concentration of Pulverized-Coal Using ECT

Abstract:

Accurate measurement of the concentration of pulverized-coal in various pipes as a guidance to proper control plays a key role in assuring safe and economic operation of a pulverized coal-fired boiler during the combustion process. Experimental studies are carried out on the measurement of a lean mass flow in a pneumatic conveying pipeline using electrical capacitance tomography (ECT). A cyclone separator is employed in this system where the sensors are placed in order to compensate the inhomogeneity of the sensor sensitivity. The distribution of void fraction in radial direction, the average void fraction and the wavy characteristics are analyzed. The feasibility and reliability of the method are verified by the experimental results.

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Periodical:

Advanced Materials Research (Volumes 779-780)

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1052-1055

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.779-780.1052

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Online since:

September 2013

Authors:

Jing Liu, Zheng Du, Shan Shan Chen, Meng Sun

Keywords:

Electrical Capacitance Tomography (ECT), Mage Reconstruction Algorithm, Pulverized Coal Concentration

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