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How to use and store electric heating tubes

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The electric heating tube is composed of metal tube, spiral resistance wire and crystalline magnesium powder. Electric heating tube products generally use high-quality imported stainless steel, imported high-temperature magnesium powder, high-quality heating wire and other materials, and other structural parts are made of stainless steel, with excellent overall performance, long service life and easy maintenance. Electric heating pipes are electrical components that convert electrical energy into thermal energy. Easy to use, easy to install, no pollution. Widely used in various electric heating occasions.

 

The precautions for the use and storage of the electric heating tube are described as follows:

 

1. The electric heating tube should be positioned and fixed, the effective heating area must be immersed in liquid or metal solid, and empty burning is strictly prohibited. If there is scale or carbon deposits on the surface of the tube body, it should be removed and reused in time, so as not to affect the heat dissipation and shorten the service life.

 

2. When heating fusible metals or solid nitrates, alkalis, asphalt, paraffin, etc., the working voltage of the electric heating tube should be reduced first, and the rated voltage can be increased after the medium is melted.

3. The magnesium powder at the outlet of the electric heating tube should prevent the infiltration of pollutants and moisture in the use site to prevent leakage accidents.

 

4. When heating the air, the elements should be evenly arranged in a cross, so that the elements have good heat dissipation conditions, so that the flowing air can be fully heated.

 

5. Safety measures should be considered when heating nitrate to prevent explosion accidents.

 

6. The wiring part of the electric heating tube should be placed outside the insulating layer to avoid contact with corrosive, explosive media and water; the lead wire should be able to withstand the temperature and thermal load of the wiring part for a long time. Avoid excessive force when tightening the terminal screws.

 

7. The electric heating tube should be stored in a dry place. If the insulation resistance is lower than 1mΩ due to long-term storage, it can be dried in an oven at about 200 , or heated to insulation under reduced pressure.

2022年5月28日 11:46
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