EXPLORE THE NEW TRENDS AND ADVANCED TECHNOLOGIES IN THE HEAT TREATMENT EQUIPMENT INDUSTRY
Ask for a free consultation Ask for technical supportBox furnace, also known as muffle furnace, is a universal heating equipment widely used in industries and departments such as electricity, coal, papermaking, petrochemicals, cement, agriculture and animal husbandry, pharmaceutical research, and teaching. Its heating element is the core component of a box furnace, used to convert electrical energy into thermal energy, thereby increasing the temperature inside the furnace. So what are the types of heating elements in box furnaces?
1. Resistance wire (maximum heating temperature 1200 ℃)
Features: Resistance wires such as nickel chromium alloy wires have the characteristics of relatively low cost and stable heating. It has a high surface load, good oxidation resistance, and the generated alumina film after oxidation has good chemical resistance and high electrical resistivity. At the same time, it has good sulfur resistance, high strength at high temperatures, no magnetism, and good corrosion resistance except for sulfur atmosphere.
Application: Resistance wire is one of the common heating elements in box furnaces, widely used in various situations that require stable heating.
2. Silicon carbide rod (maximum heating temperature 1400 ℃)
Features: Silicon carbide rods are made of silicon carbide in the form of rods or tubes, which are recrystallized crystals of silicon carbide. It has high hardness, small deformation, resistance to sudden cold and heat, and does not react with acidic objects. It is antioxidant and suitable for high temperature environments. Silicon carbide rods have fast heating, high temperature resistance, and good antioxidant performance, but new and old rods should not be mixed. Long term use will increase the resistance value, and new silicon carbide rods need to be replaced if necessary.
Application: Silicon carbide rods are commonly used in box type resistance furnaces below 1400 degrees Celsius and are important components for high-temperature heating.
3. Silicon molybdenum rod (maximum heating temperature 1700 ℃)
Features: Silicon molybdenum rod is a heating element that can work for a long time at high temperatures and can withstand high power density. It has good antioxidant and corrosion resistance, and can work stably in harsh environments.
Application: Silicon molybdenum rods are widely used in applications that require high-temperature heating, such as ceramics, metallurgy, electronics, glass, and other industries.
In summary, there are various types of heating elements in box furnaces, each with its own characteristics and application scenarios. When selecting heating elements, it is necessary to determine the most suitable type of element based on specific heating needs and working environment.Click to learn more box furnaces! Or click on online customer service to learn more about product information!
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