Atmosphere Tube Furnace Operating procedures and usage precautions

I. Operating Steps

1. Preliminary Preparation
   - Ensure that the atmosphere tube furnace is operated in a safe and stable environment, with no flammable or explosive materials in the surrounding area.
   - Inspect the furnace body, power supply, gas pipelines, and other components to ensure they are intact and undamaged, and verify that all connections are securely tightened.
   - Prepare the required atmospheric gases and ensure that their purity meets the experimental requirements.

2. Power-on operation
   - Turn on the power switch of the atmosphere tube furnace and perform the preheating procedure according to the equipment manual.
   - During the preheating process, verify that the furnace temperature rises uniformly and that no abnormal conditions occur.

3. Vacuuming
   - Turn on the vacuum pump to evacuate the gas from the furnace until the desired vacuum level is reached (e.g., 0.1mPa ).
   - Close the vacuum valve to ensure stable vacuum within the furnace.

4. Inflation operation
   - Open the protective gas pressure-reducing valve and introduce the required atmosphere gas into the furnace.
   - Adjust the gas flow rate to an appropriate value to ensure a stable furnace atmosphere.

5. Heating and Constant Temperature
   - Set the furnace temperature according to the experimental requirements and begin heating.
   - During the heating process, closely monitor temperature changes inside the furnace to ensure no abnormalities occur.
   - Once the set temperature is reached, the system enters the constant-temperature phase, maintaining stable temperature.

6. Experimental Procedure
   - Conduct the experimental procedures under constant-temperature conditions, and be sure to record the experimental data.
   - Any adjustments to temperature or atmosphere should be made with caution to avoid adverse effects on the experiment.

7. Shut down operation
   - After the experiment is completed, close the protective gas pressure-reducing valve and stop inflating.
   - Turn off the furnace power switch and allow the furnace to cool naturally.
   - Do not touch the furnace body during the cooling process to avoid burns.

II. Precautions for Use

1. Safe Operation
   - Operators shall be familiar with the operating procedures and safety requirements for atmosphere tube furnaces and shall wear appropriate personal protective equipment.
   - During operation, closely monitor the equipment’s operating status and promptly shut down and inspect it if any abnormalities are detected.
   - It is prohibited to place flammable or explosive materials around the furnace body to ensure a safe operating environment.

2. Gas Management
   - Before use, inspect the gas piping for integrity and ensure there are no leaks.
   - During the inflation process, ensure that the gas purity meets the experimental requirements and avoid using substandard gases.
   - When replacing gases or performing other operations, ensure that the corresponding valves and switches are closed to prevent gas leaks.

3. Temperature control
   - When setting the temperature, it should be appropriately adjusted according to the experimental requirements to prevent excessively high or low temperatures from adversely affecting the experiment.
   - During the heating process, temperature changes should be closely monitored, and any abnormalities应及时 adjusted.
   - During the constant-temperature phase, the temperature should be maintained steadily to prevent excessive fluctuations that could compromise the experimental results.

4. Equipment Maintenance
   - Perform regular maintenance and servicing on the atmosphere tube furnace, inspecting the furnace body, power supply, gas piping, and other components to ensure they are functioning properly.
   - During operation, if any damage or malfunction is detected, promptly contact qualified personnel for repair.
   - When the equipment is not in use for an extended period, the power switch should be turned off and the power supply disconnected to ensure equipment safety.