Analysis of ceramic band heater characteristics and failure reasons
Analysis of ceramic band heater characteristics and failure reasons
1. ceramic band heater has fast heat transfer, uniform heat generation and stable work.
2. The ceramic band heater does not leak the temperature and can save electricity. The cover is not hot when touched by hand, and it is safe to work.
3. The power of the ceramic band heater is high, and the power of the ceramic strip threading method is 0.5 ~ 1.5 times higher than that of the ordinary.
4. The ceramic band heater adopts European and American high temperature resistant heating wire, which has the characteristics of fast heat dissipation, uniform heat generation and high temperature stability. It can be used at 600-800 ℃ for a long time.
5. The product life of ceramic heating ring is long, because the raw materials are slow to age at high temperature, so the product life is long.
6, ceramic heating ring in line with the national GB technical requirements. Power deviation + 5% ∽-10%.
7, ceramic band heater electrical strength: after the voltage 1500v / 50Hz sinusoidal AC voltage test, no breakdown after 1MIN.
The main reason for this abnormal overheating damage is due to incorrect wiring of the electrical installation. Different from the requirements of conventional electrical equipment and component circuit connectors (contacts), in addition to the requirements of correct and reliable wiring and low contact resistance, the electrical connectors of electrical heating components also require certain heat dissipation characteristics and high resistance to oxidation and corrosion. . The causes of oxidative rust phenomenon In addition to all the severe corrosive gases and liquids (such as constant temperature water bath and salt bath) in the working place of electric heating elements, high temperature oxidative rust is the common direct cause of damage to the joints of electric heating elements. Measures can be taken from the following aspects to reduce the working temperature at the electrical connector of the heating element and improve the working reliability of the heating element connector.
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