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Vertical one-way flow clean room new technology
**Vertical Unidirectional Flow Cleanroom: A Modern Approach to Air Quality Control**
A vertical unidirectional flow cleanroom is a specialized environment designed to maintain the highest level of cleanliness by ensuring a consistent and controlled airflow. This system typically features a full ceiling air supply with high-efficiency filters, while the return air is collected through a full floor grille. The result is a uniform downward airflow that effectively removes contaminants, providing excellent self-cleaning properties. This setup allows for flexible placement of process equipment and simplified personal purification systems.
However, this traditional configuration has some drawbacks. The use of a full floor grille can lead to aesthetic issues, as well as discomfort for users—especially women—due to instability and the risk of small items falling underneath. Additionally, the cost of such flooring is relatively high, often accounting for 30% to 50% of the total interior decoration expenses in a unidirectional flow cleanroom. These limitations have prompted the development of alternative designs.
An improved version of the vertical unidirectional flow cleanroom involves returning air from the sides of the ceiling rather than the floor. This configuration, known as a "quasi-unidirectional flow" system, maintains a favorable airflow pattern while reducing costs and improving usability. Most of the room, including the working area, remains within the main airflow stream, allowing for efficient particle removal with lower air volume requirements. This makes it a more practical and economical choice compared to conventional systems.
Studies have shown that the effectiveness of a cleanroom largely depends on airflow organization and filter efficiency. While unidirectional flow is considered the best option for achieving high cleanliness levels, it may not always be necessary for lower-grade environments. Vertical unidirectional flow is particularly suitable for industrial and biological cleanrooms where controlling both living and non-living particles is essential. However, the room width should generally be less than 6 meters to ensure optimal airflow distribution.
The side-return air system offers significant advantages over traditional configurations. It provides better airflow patterns, reduces construction costs, and enhances user comfort. As a result, it is widely used in various industries, including healthcare, pharmaceuticals, electronics, and precision manufacturing. With the growing demand for cleaner environments across different sectors, this system is expected to see even broader adoption in the future.
**Product Specifications: AAS-700AS Single Air Shower Chamber**
- **Model:** AAS-700AS
- **Filtration Efficiency:** ≥99.97%@≥0.5μm
- **Wind Shower Time:** 0–60 seconds (adjustable)
- **Nozzle Diameter:** Φ30mm
- **Spray Speed:** 15–20 m/s
- **Power Supply:** AC, single phase 220V/50Hz
- **Maximum Power Consumption:** 1000W
- **Weight:** ~300kg
- **High-Efficiency Filter:** 600×600×120×8
- **Box Material:** Polystyrene color steel composite panel
- **Pre-Filter:** 850×580×10t×8
This advanced air shower chamber is ideal for maintaining cleanroom standards and ensuring proper personnel decontamination before entering critical areas. Its efficient design and reliable performance make it a valuable asset in modern cleanroom applications.