This can be etched groove in the house in which is inserted a tubular heater, drilled holes into which is inserted cartridge heater or can be used an infrared heater placed nearby. Heating cables are very handy in this case because it can be adapted to any form. Tubular heaters embedded in the mold can be loaded up to about 9 W / cm 2 and have a maximum temperature of 650 ° C.
Liquids are the easiest heated by direct immersion heaters in them, where the utilization of energy close to 100%. Here are the best-looking pipe and cartridge heaters. If it is necessary to heat the shell and tube installation are usually administered heating cables, which are easily adaptable to the form of installation.
The gases are heated by the same principle as the liquid only, the rate of utilization of energy slightly lower. Stainless steel tubular heaters can be loaded up to 4.5 W / cm2 and have a maximum temperature of 650 ° C.
