What are the precautions for using the electric furnace in Zhengzhou Kejia Laboratory?
When using the electric furnace in Zhengzhou Kejia Laboratory, the following are some common precautions:
1. Installation and environment:
- Make sure that the electric furnace is installed in a stable, well-ventilated and dry place, away from flammable, explosive items and water sources.
- During installation, the wiring should be carried out correctly according to the instructions provided by the manufacturer, and the grounding should be ensured to be good.
2. Preheating and heating:
- After the first use or after a long period of non-use, proper preheating should be carried out to remove moisture and impurities in the furnace.
- Follow the prescribed heating procedure to avoid damage to the furnace body and heating elements due to excessive heating.
3. Sample placement:
- When placing the sample, use a suitable crucible or container, and ensure that it can withstand high temperatures and will not react with the atmosphere in the furnace.
- The sample should be placed evenly to avoid local overheating or overcooling.
4. Temperature control:
- When setting the temperature, do not exceed the rated temperature range of the electric furnace.
- Pay close attention to the temperature display to ensure that the actual temperature is consistent with the set temperature. If there is any abnormality, stop using it and check it in time.
5. Atmosphere control (if any):
- If the electric furnace has an atmosphere control function, correctly set and adjust parameters such as gas flow and pressure.
- When using gas, ensure that the gas purity meets the requirements, and pay attention to the safe use and discharge of gas.
6. Operation safety:
- Wear appropriate protective equipment, such as high-temperature gloves, goggles, etc.
- During the heating process, it is strictly forbidden to touch the furnace body and heating elements.
7. Shutdown and cooling:
- After the experiment, turn off the power according to the correct procedure and let the electric furnace cool naturally. Avoid forced air cooling or water cooling to avoid cracking the furnace body.
8. Regular maintenance:
- Regularly check the status of heating elements, thermocouples, wires and other components. If damaged, replace them in time.
- Clean up the debris and dust in the furnace and keep the furnace clean.
In short, when using the Zhengzhou Kejia laboratory electric furnace, be sure to strictly abide by the operating procedures and precautions to ensure experimental safety and the normal operation of the electric furnace.
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