The main purpose of using heating lamps inside the drum is to provide heat inside the drum for drying purposes.
The power of this heating lamp generally varies according to the size of the drum and the specific drying requirements. The power of the heating lamp in a small drum may be 500-1000 watts, a medium-sized drum may use a heating lamp of 1-3 kilowatts, and a large drum may require a higher power heating lamp, such as 3-6 kilowatts.
These heating lamps should take into account factors such as heat dissipation and light uniformity in the drum. They usually have good sealing to prevent damage during the rotation of the drum, and must be able to adapt to environmental conditions such as temperature, humidity and possible chemicals (such as ink volatiles) in the drum.
