Redundancy design principle of ventilation and air conditioning system in high-level biosafety laboratories

 Compares and analyses the redundancy design requirements of ventilation and air conditioning system for high-level biosafety laboratories in domestic and foreign standards. According to the existing high-level biosafety laboratories in China, analyses the specific implementation forms and existing problems of redundancy design of supply fan, exhaust fan and exhaust high efficiency filter, and proposes the suggestions on redundancy design principles.