What is the difference between a muffle furnace and a chamber furnace?
Release time：2024-11-13
Chamber furnaces and muffle furnaces are two common heating equipments that differ significantly in many aspects.
一、Structure and appearance
Chamber furnace: The furnace body is a rectangular box with heating elements and temperature control equipment inside. The exterior is often treated with high-temperature and corrosion-resistant paint, the console is equipped with an intelligent PID digital display controller, and the furnace door is thickened and reinforced to prevent deformation. The furnace lining is made of high-quality insulation cotton with good insulation effect, and the furnace shell is made of high-quality steel plate folded and welded.
Muffle furnace: usually composed of furnace body, heating elements, electronic control system and flue gas exhaust system, the furnace body is rectangular. The furnace door is uniquely designed with a safety switch. When the furnace door is opened during operation, the heating power supply will be automatically disconnected to ensure safety. The furnace chamber is made of corrosion-resistant and lightweight material, with a long service life and good sealing effect to reduce heat loss.
二、Temperature range and application
Chamber furnace: The temperature range is relatively low, usually suitable for low and medium temperature heating. The temperature range can be divided into below 1200 degrees, 1400 degrees, 1600 degrees, 1700 degrees, 1800 degrees, etc., with resistance wire, silicon carbon rod, silicon molybdenum rod as heating elements. It is widely used in laboratories, industrial fields, heating, drying, annealing and other processes, as well as ceramics, metallurgy, glass and other production.
Muffle furnace: usually suitable for high temperature heating, which can reach several thousand degrees Celsius. It is specially used for melting test, heat treatment, annealing, quenching and other tests in industrial and mining enterprises, as well as other heating equipment requiring high temperature.
三、Control and safety performance
Chamber furnace: equipped with intelligent PID digital display controller, good stability, high precision, with overload protection and short circuit protection functions. The furnace temperature real-time detection function makes it easy to observe the furnace temperature at any time.
Muffle furnace: It contains a microcomputer PID controller, which is easy to operate and has safe, reliable and accurate temperature control. It is equipped with multiple safety protection measures such as overvoltage, overcurrent and overheating to ensure the safe use of the electric furnace.
四、Other Features
Chamber furnace: There are various forms. In addition to the usual heating in air, there are also atmosphere-permeable and sealed vacuum furnaces. The furnace temperature must not exceed the maximum furnace temperature, and it should not be operated above the rated temperature for a long time.
Muffle furnace: The surface temperature of the furnace is not higher than 5℃ from room temperature, saving electricity costs. Gas protection, exhaust gas and other functions can be customized according to needs, and it has a wide range of uses. The whole machine has an integrated design, a large-screen LCD display, and multiple sets of data are displayed on one screen, which is beautiful and simple to operate.
Keyword： What is the difference between a muffle furnace and a chamber furnace?
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