Safety system with suction devices for extracting air contg. material harmful to health from a room

摘要

The system has storage devices associated with the suction equipment for holding at least part of the harmful material. Isolation devices connected before the storage devices in the suction direction prevent at least part of the extracted air from entering the storage devices and/or allow at least part of the air collected to be removed without the harmful material. A reservoir has outlet devices for emptying air without harmful material. The outlet devices are connected to or contain filters, time switches, temp. monitoring devices and/or devices for determining the harmful material contents.