Flange electric heating tube (also called plug-in electric heater): U-shaped tubular electric heating element is used. According to the power configuration requirements and the design specifications of the heating medium, the U-shaped tubular electric heating element is assembled on the flange cover. During the heating process, the heating element conducts a large amount of heat dissipated during the operation to the heated medium to raise the temperature of the medium to the required process requirements.
When the temperature of the medium reaches the set value required by the process, the control system adjusts the output power of the electric heater according to the temperature sensor signal, and performs temperature control on the resistance load of the heating element. Make the temperature of the medium uniform to meet the requirements. When the temperature of the heating element is too high or too low, the interlocking protection device of the heating element will immediately cut off the heating power to prevent the heating element from burning and prolong the service life.
It is mainly used for heat preservation and heating of various storage tanks, containers and fuel tanks in petroleum, chemical, food, machinery and other industries. The connection method can be flange connection or thread sealing. Heating is carried out in open and closed solution tanks and circulation systems. Has the following advantages:
1. The surface power is large, so the air heats the surface load by 2 to 4 times.
2. Highly dense and compact. Because the whole is short and compact, it has good stability and does not require brackets for installation.
3. The flange electric heating pipe has a long service life, and has multiple protection systems (housing, waterproof joints, etc.), which is safe and reliable;
4. Small size and large heating power, which is 2 to 4 times the surface load of air heating;
5. The flange electric heating tube can heat various media in various occasions, such as water and oil, water vapor, metal solution, such as explosion-proof occasions.
