Technical introduction

Air duct electric heater is mainly used to heating air in air duct. The specification is divided into three types, high temperature, middle temperature, low temperature. The familarity of these three types lies in that they adopt steel plates to support electrical heated tube in order to reduce vibration; overtemperature control device is installed in electrical connector; in addition, transport device is also installed between fan and heater in order to guarantee that the heater is started after fan. A differential pressure device is installed at rear and front part of heater in order to avoid malfunction of fan. Normally, the pressure of heated air in duct heater is not over 0,3 kg/cm2. If a higher pressure is needed, please choose circulating electric heater. In low-temperature heater, the temperature of air is normally not over 160 degree centigrade; the temperature of air is normally not over 260 degree centigrade in middle-temperature type. The temperature of air is normally not over 500 dgree centigrade in high-temperature type;
  According to the working temperature in air duct, there are three types, high temperature, middle temperature and low temperature; according to the air speed in air duct, there are three speed types, high speed, middle speed and low speed. Air duct electrical heater has been widely applied to aerospace, weapon, chemical industries and other scientific labs. It is especially suitable for automatically controlled temperature, large flow high temperature joint system and accessories tests. The application range of air electrical heater is very wide: it can be used to heating any kind of gas. Hot air produced is dry, non-electrical conductive and non-combustion. No risk of explosion; no pollution; safe and reliable; the temperature of heated space will rise quickly. 

Advantages

A. High thermal efficiency: ≥85℅
B. Better for environmental protection; no harm produced;
C. Temperature rises quickly; it only takes 20 minutes from heating, rising and normally running.
D. High automation level; air temperature can be adjusted freely in a certain range.
E. Stable hot air; the temperature control accuracy can be maintain at about 5 degree centigrade;
F. Safe and reliable; complete devices to guarantee safety;

Working principle

Technical parameters

Taeda air heating hot air furnace (electrical heater) can be applied to provide heat for drying and calcining process in food, medicine making, paper making, printing, textile, wood and food processing. Please contact us for specific thermal power and dimensions.