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The numerical simulation about CRF furnace combustion process was carried out by software Fluent if straw as reburning fuel and Ybaoshan lignite as the main fuel. Through regulating the air-coal ratio, the distributions of temperature and constitutive were acquired, and the reductive characteristic of NOx over straw was realized. The results revealed that: the fuel in main combustion zone could be...
3-D structure model of Electrostatic Fabric Filter was established, by which the numerical simulation of airflow distribution in the junction was carried on. A 2-equation model was adopted to simulate the flow field, and the computation was based on the SIMPLE algorithm. The flow deflector in the junction of Electrostatic and Fabric Filter was designed to 4 different angles. The simulation results...
Against to the running conditions of fabric filters, the article analyzed the reason which made the air current distribution uneven and proposed the improvement of which modify the structure of inlet and add guide plate in the lower-case. It had been obtained the flow field, the streamline and granule path which were around improvement with the software of CFD. The conclusion may provide the reference...
Based on the 400t/h tangential boiler, the software of FLUENT was used to simulate the temperature field, the distribution of each species concentration field and NOx concentration distribution when co-firing coal and biomass (wheat straw, maize straw and wood dust) which was under the different ratios. The results of calculation and numerical simulation showed that the emission of CO2, SO2, NOx and...
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