Tubular electric heater components use matters needing attention
Tubular electric heater is made of metal pipe, spiral resistance wire, and electrical grade magnesium oxide powder with good thermal conductivity and good insulation. It causes terminals and other components. It is widely used for heating liquids, air, etc. Common water heaters, ovens, coffee makers Wait.
The use of tubular electric heater components is as follows:
1. The electric heating pipe should be fixed and fixed. The effective heating area must be completely immersed in liquid or solid metal. When scale or carbon is found on the surface of the pipe, it should be removed and reused in a timely manner so as not to affect the heat dissipation and shorten the service life.
2. When heating fusible metal or solid-state nitrate, alkali, bitumen, paraffin, etc., the voltage should be reduced first. After the medium is melted, it can rise to the rated voltage.
3, heating the air when the tubular electric heater elements should cross evenly arranged, so that the components have a good cooling conditions, so that the air can be fully heated.
4. The wiring part should be placed outside the insulation layer to avoid contact with corrosive, explosive medium and moisture; the lead wire should be able to withstand the temperature and heating load of the wiring part for a long time, and the wiring screw should be avoided when it is fastened.
5, tubular electric heater components should be stored in a dry place, if due to long-term placement of insulation resistance is less than 1MΩ, can be dried in an oven at about 200 °C, or reduce the voltage power heating, until the restoration of insulation resistance.
The use of tubular electric heater components is as follows:
1. The electric heating pipe should be fixed and fixed. The effective heating area must be completely immersed in liquid or solid metal. When scale or carbon is found on the surface of the pipe, it should be removed and reused in a timely manner so as not to affect the heat dissipation and shorten the service life.
2. When heating fusible metal or solid-state nitrate, alkali, bitumen, paraffin, etc., the voltage should be reduced first. After the medium is melted, it can rise to the rated voltage.
3, heating the air when the tubular electric heater elements should cross evenly arranged, so that the components have a good cooling conditions, so that the air can be fully heated.
4. The wiring part should be placed outside the insulation layer to avoid contact with corrosive, explosive medium and moisture; the lead wire should be able to withstand the temperature and heating load of the wiring part for a long time, and the wiring screw should be avoided when it is fastened.
5, tubular electric heater components should be stored in a dry place, if due to long-term placement of insulation resistance is less than 1MΩ, can be dried in an oven at about 200 °C, or reduce the voltage power heating, until the restoration of insulation resistance.
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