With the rapid
depletion of high-yield copper mineral resources and the accumulation
of secondary copper resources, the recycling of secondary copper is
gaining popularity in the copper industry. A copper anode furnace,
often used in copper recycling, usually relies on methane combustion
to melt copper scraps. In this work, a computational fluid dynamics
(CFD) model of pure oxy-methane combustion is established to investigate
the combustion characteristics of the CH
4
/O
2
combustor in the copper anode furnace. The model is
validated by comparing the simulation results with experimental measurements.
The effects on flame length and temperature distribution are investigated
under various fuel velocities, oxidizer velocities, and oxidizer temperatures.
The results indicate that flame length and temperature distribution
increase as the fuel velocity and oxidizer temperature increase, and
decrease with the increase in oxidizer velocity. The flame length
and temperature distribution always show an increasing trend with
the increasing equivalence ratio. Based on the recycling capacity
of the copper anode furnace, this validated CFD model can be used
to optimize the operation parameters for controlling flame length
and temperature distribution.
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