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Numerical simulation of impact of Different Heating Furnaces on Heat Intensity of Furnace Tubes and NOX Production
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The physical field, furnace tube heat intensity and NO production of
different heating furnaces were studied through numerical simulation.
Firstly, by studying the heating furnaces of different shapes, namely
triangle furnace, square furnace and cylindrical furnace, it was found
that the heat intensity of the cylindrical furnace tubes was evenly
distributed, but the NOX emission at the outlet of the cylindrical one
was relatively higher than that of the square one. By studying the
cylindrical furnaces with different dip angles of 95°, 93°, 90°, 87° and
85°, it was found that the NOX emission at the outlet has been
effectively reduced with the decrease of the dip angle, but the heat
intensity of furnace tubes was more unevenly distributed, which led to
more serious tube coking.
Title: Numerical simulation of impact of Different Heating Furnaces on Heat Intensity of Furnace Tubes and NOX Production
Description:
The physical field, furnace tube heat intensity and NO production of
different heating furnaces were studied through numerical simulation.
Firstly, by studying the heating furnaces of different shapes, namely
triangle furnace, square furnace and cylindrical furnace, it was found
that the heat intensity of the cylindrical furnace tubes was evenly
distributed, but the NOX emission at the outlet of the cylindrical one
was relatively higher than that of the square one.
By studying the
cylindrical furnaces with different dip angles of 95°, 93°, 90°, 87° and
85°, it was found that the NOX emission at the outlet has been
effectively reduced with the decrease of the dip angle, but the heat
intensity of furnace tubes was more unevenly distributed, which led to
more serious tube coking.
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