Precautions for Using Electric Heaters - Yangzhou Darui

Precautions for Using Electric Heaters - Yangzhou Darui

Darui Electric recommends for you

The electric heating tube should be properly positioned and fixed. The effective heating area must be fully immersed in liquid or solid metal, and dry burning is strictly prohibited. If scale or carbon deposits are found on the surface of the tube, they should be cleaned promptly before reuse to avoid affecting heat dissipation and shortening the service life. 

3. When heating fusible metals or solid nitrates, alkalis, asphalt, paraffin, etc., the operating voltage should be reduced first, and only after the medium melts can the voltage be raised to the rated voltage.

4. When heating air, the elements should be arranged crosswise and evenly to ensure good heat dissipation conditions, allowing the flowing air to be fully heated. 

5. When heating nitrates, safety measures should be considered to prevent explosion accidents. 

6. The wiring part should be placed outside the insulation layer to avoid contact with corrosive, explosive media, and moisture; the lead wires should be able to withstand the temperature of the wiring part and the heating load for a long time. When tightening the wiring screws, avoid excessive force. 

7. The elements should be stored in a dry place. If the insulation resistance drops below 1MΩ due to long-term storage, they can be dried in an oven at about 200°C, or heated by applying a reduced voltage until the insulation resistance is restored.

8. The magnesium oxide powder at the outlet end of the electric heating tube should be protected from pollutants and moisture infiltration at the place of use to prevent leakage accidents.

The above is the relevant content introduced by cast aluminum heater for everyone, hoping it will be helpful to you.

Flange electric heating tube introduces the precautions for using electric heaters

1. The elements are allowed to work under the following conditions: 

A. The relative humidity of the air used by the electric heater should not exceed 95%, and there should be no explosive or corrosive gases.

B. The working voltage should not exceed 1.1 times the rated value, and the shell should be effectively grounded. 

C. Insulation resistance ≥1MΩ, dielectric strength: 2KV/1min.

Note: The above information and technical parameters are compiled and released by Yangzhou Darui Electric Co., Ltd.