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Double Person Air Shower: An Effective Tool for Controlling Contamination in Cleanrooms

  • 2023-12-05
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Cleanrooms are crucial in maintaining a sterile environment for various industries, such as pharmaceuticals, electronics, and medical devices. However, despite meticulous cleaning protocols, contamination can still occur due to the presence of particles on personnel and equipment entering the cleanroom. To mitigate this risk, cleanrooms employ several measures to control contamination, including the use of double person air showers.

Double Person Air Shower: An Effective Tool for Controlling Contamination in Cleanrooms

What is a Double Person Air Shower?

A double person air shower is an enclosed chamber that utilizes high-velocity HEPA-filtered air jets to remove particles from personnel and equipment entering the cleanroom. The air shower is designed to blow air onto individuals from all directions to effectively remove any loose particles that may have adhered to clothing, hair, or exposed skin.


How Does It Work?

The air shower works by creating a high-velocity, low-pressure air stream that effectively blows off particles from personnel and equipment before they enter the cleanroom. As individuals enter the air shower, the door automatically closes, and the air shower initiates a pre-programmed cycle that lasts for several seconds. During this cycle, HEPA-filtered air jets blow onto the individual from all directions, removing particles from their clothing and exposed skin. The removed particles are then filtered through the HEPA filters and disposed of, ensuring that the air in the cleanroom remains sterile.


Benefits of a Double Person Air Shower

Reduces the risk of contamination: A double person air shower significantly reduces the risk of contamination by removing particles from personnel and equipment before they enter the cleanroom.

Improves cleanroom efficiency: The use of a double person air shower can improve the efficiency of cleanrooms by reducing the need for constant cleaning and maintenance of equipment.

Saves time and money: By preventing contamination, a double person air shower saves time and money by reducing the need for rework and product recalls due to contamination.

Easy to install: Double person air showers are relatively easy to install and can be customized to fit the specific needs of a cleanroom.


Double Person Air Shower Design

The design of a double person air shower is crucial in ensuring its effectiveness in removing particles from personnel and equipment. Some of the design considerations include:

Air velocity: The air shower should have a high air velocity to effectively remove particles from personnel and equipment.

HEPA filters: The air shower should utilize high-efficiency particulate air (HEPA) filters to ensure that removed particles do not re-enter the cleanroom.

Door design: The door design should ensure that individuals are completely enclosed within the air shower during the cycle to prevent particles from entering the cleanroom.

Material selection: The air shower should be constructed of non-shedding materials to prevent particle contamination.


Maintenance and Cleaning

To ensure that the double person air shower remains effective in removing particles, regular maintenance and cleaning are required. The air shower should be inspected regularly for any damage or malfunction, and the HEPA filters should be replaced according to the manufacturer's recommendations. The air shower should also be cleaned regularly to remove any particles that may have accumulated within the chamber.


FAQs

How long does a cycle in a double person air shower last?

A typical cycle lasts for several seconds, depending on the design of the air shower.


How often should the HEPA filters be replaced?

The HEPA filters should be replaced according to the manufacturer's recommendations, typically every 6-12 months.


Can a double person air shower be customized to fit specific cleanroom needs?

Yes, double person air showers can be customized to fit specific cleanroom needs in terms of size, materials, and design.


Can a double person air shower be used in other industries aside from pharmaceuticals and electronics?

Yes, double person air showers can be used in other industries that require a sterile environment, such as food and beverage, biotechnology, and aerospace.


Are double person air showers expensive?

The cost of a double person air shower varies depending on the size, design, and customization required. However, the cost is justified by the significant reduction in the risk of contamination and the savings in time and money.


Conclusion

A double person air shower is an effective tool for controlling contamination in cleanrooms. By removing particles from personnel and equipment before they enter the cleanroom, a double person air shower significantly reduces the risk of contamination, improves cleanroom efficiency, and saves time and money. Proper design, installation, and maintenance are crucial in ensuring the effectiveness of a double person air shower in controlling contamination in cleanrooms.

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