Process operation rules and precautions of box-type resistance furnace or muffle furnace
Box-type Resistance Furnace Or Muffle Furnace Pre-Operation Checks:
- Review the “Shift Handover Record” before starting.
- Ensure wearing appropriate protective gear and understanding of “safe operating procedures.”
- Inspect the lubrication of the furnace door mechanism and the condition of furnace components like lining, resistance wire, and thermocouple lead rod.
- Check the instrument functionality and the condition of the furnace bottom components.
Box-type Resistance Furnace Or Muffle Furnace Operational Steps:
- Clean the furnace and remove any scale.
- Follow “process specifications” for newly repaired furnaces and oven operations.
- Ensure the oven door is closed during heat preservation and electric heating.
- After operations, cut off the power and release the furnace as per specifications.
Box-type Resistance Furnace Or Muffle Furnace Continuous Work and Equipment Maintenance:
- Accurately fill in the “Shift Handover Record” and ensure clear face-to-face handovers.
- Regularly maintain equipment according to “Equipment Maintenance Regulations.”
Box-type Resistance Furnace Or Muffle Furnace Precautions for Operation:
- For initial or post-inactivity use, gradually increase the temperature for oven drying.
- Do not exceed the maximum operating temperature of 950°C and ensure the furnace’s cleanliness.
- Frequently observe the actual furnace temperature to preempt instrument failure accidents.
