Náhrada kolektivních filtrů ve stálých úkrytech

Abstract

This thesis focuses on the problematic of ventilation of permanent shelters, which are used for community concealment, especially air filtration unit and collective filters replacement. In the first part there is a brief information about evolution of community concealment in our environment and its current conception. This part also deals with description of permanent shelters and their equipment, mainly air filtration unit. The second part deals with exact characteristics of filter types used in air filtration units and with possibilities of collective filters replacement.