How to operate the controlled atmosphere sealed box type of a multi-purpose furnace?

2024-09-20 08:57:24

The controlled atmosphere sealed box type operation method of a multi-purpose furnace includes multiple steps to ensure safe and efficient operation of the equipment. The following is a detailed description of the operation process:
1. Equipment preparation
Before starting, ensure that the furnace body is clean and dry, and check whether the sealing ring is intact to prevent gas leakage. At the same time, confirm that the temperature probe and heating element in the furnace are functioning properly.
2. Atmosphere selection and connection
Select a suitable gas (such as nitrogen, hydrogen, etc.) according to the experimental requirements. Connect the gas bottle to the gas inlet of the furnace body to ensure that the connection is tight and there is no leakage. Use a gas flow meter to adjust the gas flow to ensure a stable atmosphere environment.
3. Set parameters
Enter the required heating temperature, heating rate and insulation time through the control panel of the furnace body. Ensure that the set parameters meet the material processing requirements to avoid excessively high or low temperatures.
4. Load the sample
When the furnace body is cooled, place the sample to be processed in the ceramic crucible or high-temperature resistant material in the furnace, and ensure that the sample is evenly placed to facilitate heat distribution.
5. Sealing and closing
After loading the sample, close the furnace door and ensure that it is well sealed. Check the sealing ring and locking device to prevent gas leakage during heating.
6. Starting the furnace
Press the start button and the furnace will start heating. During the heating process, monitor the temperature regularly to ensure that the temperature rises steadily according to the set curve. Pay attention to the data on the control panel to ensure that there are no abnormalities.
7. Atmosphere monitoring
During the heating process, continuously monitor the stability of the atmosphere in the furnace. If the gas flow is abnormal or the gas concentration does not meet the requirements, take immediate measures to adjust it.
8. Insulation and cooling
When the set temperature is reached and maintained for a certain period of time, turn off the heating function and enter the cooling stage. Maintain the atmosphere in the furnace until the temperature drops to a safe level.
9. Removing the sample
After the furnace temperature drops to a safe range, open the furnace door and carefully remove the sample using high-temperature resistant gloves. Avoid touching high-temperature parts to prevent burns.
10. Equipment cleaning and maintenance
After removing the sample, clean the residue in the furnace and regularly check the gas pipeline and equipment function to ensure long-term safe operation. Record the operation data and experimental results for subsequent analysis and improvement.
By following the above steps, the controlled atmosphere sealed box operation of the multi-purpose furnace can be ensured to be safe and effective, providing a good experimental environment for the heat treatment of materials.