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Coal flow meter development. Phase II. Laboratory evaluation

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With the increased application of new combustion and power generating techniques, the need has arisen for better means to accurately measure the coal flowing into a fluidized bed through small pipes. To be most useful, the flowmeter should provide real-time data on the coal flow rate, the moisture level in the coal and the heating value of the coal. The techniques of electron and nuclear magnetic resonance (ESR and NMR) offer the potential of meeting these criteria in a non-invasive manner. Phase I of the program measured the ESR and the hydrogen NMR characteristics of a wide variety of coals and related these signals to the calorific value, moisture level and coal composition. Under Phase II an experimental apparatus was assembled and evaluated in the laboratory to develop the detailed concept of the combined ESR-NMR flowmeter to be constructed in Phase III. The evaluation of the laboratory model indicates a good general utility of the concept for coal flow measurements. The program will continue in Phase III with the construction and testing under actual flow conditions of a 3/8 inch model.

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Last Updated September 29, 2016, 15:46 (LMT)
Created September 29, 2016, 15:46 (LMT)
Citation King, J.D.; Rollwitz, W.L. ---- Roy Long, Coal flow meter development. Phase II. Laboratory evaluation, 2016-09-29, https://edx.netl.doe.gov/dataset/coal-flow-meter-development-phase-ii-laboratory-evaluation
Netl Product yes
Poc Email Roy.long@netl.doe.gov
Point Of Contact Roy Long
Program Or Project KMD
Publication Date 1981-12-1