Electric water heaters are often seen in our lives and are often used. The indispensable component of the electric water heater is the tubular heater, and the heating element of the electric water heater is commonly used in two types, as follows:
1, ceramic tubular heater, water and electricity are completely isolated, this heating element is anti-dry.
2, metal heating element, that is, water-immersed, this kind of tubular heater can not dry, 10 seconds to burn the heating element.
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The tubular electric heating element is composed of a metal tube, a spiral resistance wire, and a crystalline magnesium oxide powder having good thermal conductivity and good insulation. Products that can heat the system
The electric heating tube is made of high-quality domestic thick-walled seamless stainless steel tube, imported high-temperature magnesia powder and sealing material from the United States, so that the electric heating tube can withstand temperature up to 900 °C, and the electric heating tube will not be damaged after dry dehydration; The black mesh belt furnace is subjected to a high temperature nitriding treatment process at 1060 ° C, which improves the high temperature resistance and corrosion resistance of the electric heating tube and ensures the service life.
The heating pipe is made up of a heating wire in a seamless metal pipe (carbon steel pipe, titanium pipe, stainless steel pipe, copper pipe), and the gap portion is filled with a magnesium oxide powder having good thermal conductivity and insulation, and then processed into a shrink tube. Various shapes required by the user. The utility model has the advantages of simple structure, high thermal efficiency, good mechanical strength and good adaptability to harsh environments. It can be used for the heating of various liquids and acid-base salts, as well as for the melting of metals with low melting point (lead, zinc, tin, babbitt)