The U-shaped heating element is a highly efficient electric heating component, utilizing stainless steel or carbon steel metal tubes as the outer shell, with built-in electric heating alloy wires (such as nickel-chromium or iron-chromium alloys) and filled with magnesium oxide insulation material. Its core structure features a U-shaped design, ensuring safety and sealing through silicone sealing at both ends and threaded fastening processes.
Features
High heat dissipation efficiency: The U-shaped structure increases the heat dissipation area by 2.5 to 4 times compared to ordinary smooth tubes, with surface heat load increased by 2 to 3 times, enabling rapid heating and high thermal efficiency.
Compact size: Under the same power rating, the U-shaped heating element has a smaller volume, allowing for higher power capacity and saving equipment space.
Strong applicability: Supports flange or threaded end-face sealing connections, widely used for heating and insulation in storage tanks, containers, and circulation systems.
Application Scenarios
Industrial field: Used for material heating and insulation in petroleum, chemical, food, and machinery industries.
Civil applications: Commonly found in equipment requiring temperature control, such as food warmer tables and aquarium thermostats.
Precautions
Ensure the heating tube is fully immersed in liquid or metal solids to avoid dry firing.
Safety measures must be taken when heating flammable media such as nitrate salts.