Case Analysis and Technical Support for Airflow Management Systems in Hospital Projects

Air Flow Management System

Introduction to the Air Flow Management System:

The Air Flow Management System is an integrated control device that regulates the pressure difference between adjacent spaces by controlling the exhaust and supply air ratio. It is primarily used in negative pressure wards, cleanrooms, gas laboratories, etc.

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Components of the Air Flow Management System:

Mainly consists of: micro differential pressure detectors, damper/fan status acquisition controllers, motorized dampers, exhaust/supply fans, air flow management host, etc.

Air Flow Management System Products:

Air Flow Management Host: Installed at nursing stations or manned locations, graphically displays pressure differences in negative pressure zones and the open/close status of motorized airtight valves; remotely controls the opening and closing of motorized airtight valves, and provides audible and visual alarms for pressure imbalance and fan failures.

Air Flow Controller: Installed in fan rooms or electrical distribution rooms, controls the opening and closing of dampers and the start/stop sequence of fans.

Airflow/Pressure Detector: Installed at the main fan duct to detect airflow and pressure.

Micro Differential Pressure Detector: Installed at easily observable points on the room entrance side, with an accuracy of ≤1Pa; features manual control functionality to operate motorized airtight valves.

Integrated Controller: Installed at dampers, automatically and continuously adjusts supply/exhaust airflow based on changes in pressure difference or airflow values; receives commands to open/close supply/exhaust dampers and feedback status information.

Motorized Differential Pressure Dynamic Regulating Valve (Airtight Type): Used in conjunction with the integrated controller, installed on the room's exhaust branch duct, dynamically adjusts exhaust airflow according to pressure changes, and shuts off for disinfection.

Motorized Airtight Valve: Used in conjunction with the integrated controller, installed on the room's supply and exhaust branch ducts, shuts off for disinfection.

Application of the Air Flow Management System:

The Air Flow Management System is an integrated pressure difference/airflow electromechanical system developed for public safety in medical buildings. It supports multiple operating modes, including combined normal and epidemic scenarios, to monitor and control pressure gradients and supply/exhaust airflow in various areas in real-time. Through pressure difference/airflow control, it achieves automated air direction control and refined management, preventing the spread of hazardous air, addressing cross-contamination between rooms, and stopping pathogens from spreading via airflow between departments, wards, or even zones. It assists hospitals in preventing nosocomial infections and helps create and maintain a healthy environment.