How To Clean The Filter inside A Fume Hood

When cleaning the filters inside the fume hood, the following steps should be followed to ensure safety and effectiveness:

First, preparatory work

Turn off the power: First, make sure the power of the fume hood is turned off and all connections are disconnected to prevent electric shock accidents during the cleaning process.

Personal protection: Wear appropriate personal protective equipment, such as gloves, goggles and masks, to ensure your own safety.

Prepare cleaning tools and materials: Prepare non-woven fabric, neutral detergent, spray bottles and other cleaning tools and materials. Avoid using acidic or alkaline cleaners to prevent damage to the filter.

Second, remove the filter

Open the fume hood door: Gently open the door of the fume hood to remove the filter.

Remove the filter: Carefully remove the filter according to the model of the fume hood and the installation method of the filter. Be careful not to apply excessive force to avoid damaging the filter or other components of the fume hood.

Third, clean the filter

Preliminary cleaning: If there is a large amount of dust or particles adhering to the filter, you can first use a vacuum cleaner or a clean brush for a preliminary cleaning.

Wipe with a damp cloth: Use a damp cloth or non-woven fabric dipped in neutral detergent to gently wipe the surface of the filter. Be careful to avoid liquid entering the interior of the filter or damaging the filter material.

Clean water rinse: If the filter can be disassembled and water cleaning is allowed, it can be rinsed in clean water. When flushing, avoid using high-pressure water guns or high-temperature water to prevent damage to the filter.

Drying: Place the cleaned filter in a well-ventilated area to dry naturally. Avoid using heat sources such as dryers or hair dryers to accelerate the drying process to prevent damage to the filter material.

Fourth, install the filter

Check the filter: Before installing the filter, carefully inspect whether it is dry and undamaged, and ensure that all components are installed correctly.

Return the filter: Put the filter back to its original position as per the manual or instructions of the fume hood. Make sure the filter is installed firmly without any looseness or tilting.

Close the door of the fume hood: Gently close the door of the fume hood and make sure it is locked or fixed.

Fifth, subsequent operations

Check the performance of the fume hood: Restart the fume hood and check if its performance is normal. Pay special attention to whether parameters such as wind speed and noise meet the requirements.

Record the cleaning time: Record the time for cleaning the filter to arrange the next cleaning plan.

Sixth, Precautions

Follow the manufacturer's advice: Different brands and models of fume hoods and their filters may have different cleaning methods and requirements. Therefore, during the cleaning process, it is essential to follow the manufacturer's suggestions and instructions.

Avoid using corrosive cleaners: Do not use acidic, alkaline or strongly corrosive cleaners to clean the filter to prevent damage to the filter material.

Regularly replace the filter: According to the usage of the fume hood and the manufacturer's recommendations, regularly replace the filter to ensure its filtering effect and service life.

By following the above steps, the filters inside the fume hood can be effectively cleaned to ensure its normal operation and extend its service life.