Title :
On-line particle size distribution analysis of pulverised coal
Author :
Hancke, Gerhard P. ; Malan, Ruan
Author_Institution :
Dept. of Electr. & Electron. Eng., Pretoria Univ., South Africa
Abstract :
The particle size distribution of the pulverised coal in a fossil fuel power station is an important and useful parameter for the efficient control of power generation. However, to put this parameter to its most effective use, it is necessary to measure it online. An investigation conducted into techniques used for the online measurement of particle size revealed a cost effective technique to achieve this goal. It shortly entails the measurement of the resonant vibrations evoked in a structure when pneumatically conveyed particles collide with it. By analysing the frequency spectra of these evoked vibrations, variations in the size distribution of the particles colliding with the structure can be observed. Test results of preliminary tests done on a pilot plant confirm the usefulness of this technique
Keywords :
coal; computerised instrumentation; particle size measurement; pulverised fuels; steam power stations; vibration measurement; cost effective technique; fossil fuel power station; frequency spectra; particle size distribution analysis; power generation control; pulverised coal; resonant vibrations measurement; test results; Costs; Fossil fuels; Frequency; Particle measurements; Power generation; Resonance; Size control; Size measurement; Testing; Vibration measurement;
Conference_Titel :
Industrial Electronics, 1996. ISIE '96., Proceedings of the IEEE International Symposium on
Conference_Location :
Warsaw
Print_ISBN :
0-7803-3334-9
DOI :
10.1109/ISIE.1996.551093
