The internal control system of the heating tube is based on the temperature sensor signal of the output port

The internal control system of the heating tube is based on the temperature sensor signal of the output port

Actively adjust the output power of the electric heating tube to make the medium temperature at the output port of the air heating tube uniform; when the heating element of the air heating tube is overheated, the independent overheating protection device of the heating element immediately blocks the heating power to prevent the air heating tube The over-temperature of the heating material causes coking, transformation and carbonization, and the heating element in the air electric heating tube burns out when it is severe, which effectively extends the service life of the electric heating tube. The explosion-proof heating tube is also a kind of high-quality long-life electric heating equipment that is popular in the world. The air heating pipe is used to raise, keep warm and heat the active liquid and gaseous medium. When the heating medium in the air electric heating tube passes through the heating chamber of the electric heater under the effect of pressure, the principle of fluid thermodynamics is used to uniformly remove the infinite heat generated by the electric heating element in the air electric heating tube, so that the air electric heating tube is heated by the medium The temperature reaches the user's technical requirements.

Variety and operation of electric heater

1. There are usually two types of electric air heaters: resistance wire heaters and ceramic electric heaters.
2. There are two types of resistance wire electric heaters: bare wire and tubular.
3. In practical projects, there are resistance wire electric heaters and ceramic electric heaters.
4. The electric air heater must be interlocked with the blower. Start sequence: blower—electric heater; shutdown sequence: air electric heater—(after 1 minute) blower. When the blower is not turned on, the electric air heater must not be turned on.
5. The electric air heater and the metal duct of the electric air heater should be well grounded.
6. The insulation materials of the air ducts within 0.8 meters before and after the air electric heater should be insulated non-incineration materials.

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