A muffle furnace is a type of high-temperature oven used primarily in laboratory and industrial settings for processes requiring controlled heating at elevated temperatures. The name “muffle” refers to the insulated chamber within the furnace that separates the heating elements from the sample being processed.
Here’s how it works:
1. Chamber Design: The muffle furnace consists of a well-insulated chamber usually made of ceramic or refractory metal. This chamber, known as the muffle, provides a controlled environment for heating samples without direct contact with the heating elements.
2. Heating Elements: Heating elements, often made of materials like Kanthal or silicon carbide, surround the muffle chamber. These elements generate heat, which is then transferred to the muffle and the sample inside.
3. Temperature Control: Muffle furnaces typically have precise temperature control mechanisms, allowing users to set and maintain specific temperatures within the chamber. This control is crucial for various heat treatment processes such as annealing, sintering, ashing, and calcination.
4. Applications: Muffle furnaces find applications in a wide range of industries and research fields. They are commonly used in materials science, chemistry, metallurgy, geology, and environmental science for tasks like drying, sterilization, decomposition, and synthesis of materials.
5. Safety Features: Many muffle furnaces are equipped with safety features such as overtemperature protection and automatic shutdown mechanisms to prevent accidents and ensure safe operation.
FEATURES AND SPECIFICATIONS:
- Volume Capacity: Up to 300 Liter’s
- Temperature Range: Up to 1800°C
- Insulation: Glass Ceramic Fiber Board/ Ceramic fiber blanket/ Cumi-lag Bricks
- Chamber Design: Box type
- Heating Elements: Kanthal Heating elements/ Silicon Carbide Heating element/ Mosi2 Heating elements
- Oven Classification: Class 2 / Class 3
Instrumentation: Thyristor, Step Down Transformer, Programmable Temperature Controller, Temperature Recorder, PLC, SCADA, HMI”