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The role of laminar flow transfer window
The role of laminar flow transfer windowA laminar flow transfer window is a device used to transfer items in clean rooms and other sterile environments. Its main function is to ensure that no contaminants are introduced into the items during the transfer process and to maintain a high degree of cleanliness in the environment. The following are the main functions and features of the laminar flow transfer window:1. Maintain cleanliness High-efficiency filtration: A Laminar flow transfer window is usually equipped with a high-efficiency air filter (HEPA or ULPA), which can capture particles larger than 0.3 microns to ensure that the air entering the transfer window is highly clean. Laminar flow design: The laminar flow design is adopted to ensure that the air flows evenly inside the transfer window, reduce eddy currents and dead corners, and prevent the accumulation of pollutants. 2. Prevent cross-contamination Positive pressure environment: Through positive pressure design, ensure that the air pressure inside the transfer window is higher than the outside to prevent external pollutants from entering. Bidirectional transfer: A Laminar flow transfer window is usually designed for bidirectional transfer, that is, it can transfer items from a clean area to a non-clean area, and it can also transfer items from a non-clean area to a clean area, ensuring the sterile state during the bidirectional transfer process. 3. Convenience of operation Sealed door: Equipped with a sealed door and airtight lock to ensure the sealing of the transfer window and prevent external pollutants from entering. Glove interface: Some laminar flow transfer windows are equipped with glove interfaces, and operators can perform aseptic operations through gloves to ensure the convenience and safety of operation. Visualization window: Equipped with a large-size visualization window, the operator can observe the situation inside the transfer window. 4. Disinfection and sterilization function Online disinfection: Some laminar flow transfer windows are equipped with online disinfection systems, such as hydrogen peroxide (H₂O₂) fumigation, ultraviolet (UV) irradiation, etc., which can effectively disinfect and sterilize the inside of the transfer window. Periodic disinfection: Periodic disinfection procedures can be set to ensure continuous sterility inside the transfer window. Manual disinfection: Provides manual disinfection function, and operators can perform manual disinfection as needed. 5. Environmental monitoring Particle counter: Some laminar flow transfer windows are equipped with particle counters to monitor the particle concentration inside the transfer window in real-time to ensure air cleanliness. Temperature and humidity sensor: Equipped with temperature and humidity sensor, real-time monitoring of the temperature and humidity inside the transfer window to ensure that the environmental conditions meet the requirements. 6. Safety Negative pressure design: Some transfer windows adopt a negative pressure design to ensure that the air inside will not leak to the outside and prevent the spread of pollution. Emergency pressure relief: Equipped with an emergency pressure relief device, when the internal pressure of the transfer window is too high, it can quickly relieve pressure to ensure the safety of the operator. Anti-static design: Adopt an anti-static design to reduce the impact of static electricity on objects and operations. 7. Strong adaptability Modular design: Adopt modular design, which can be flexibly configured and expanded according to different application requirements. Multiple sizes: Provide transfer windows of various sizes, suitable for different laboratories and production environments. In short, the laminar flow transfer window ensures the sterility of objects during the transfer process through the design of an efficient purification system, airtight design, disinfection and sterilization functions, environmental monitoring, and other aspects, and is widely used in fields with extremely high requirements for a sterile environment. |
