| abstract |
The utility model discloses a controllable passageway aperture formula air purifier, including an intake pipe, with intake-tube connection's purge tube, including two piece at least purge tubes, wherein, filling the HEPT filter screen in an at least purge tube, an at least purge tube has set firmly active carbon, and all is equipped with the blast gate of control flow air volume size in an arbitrary purge tube. The utility model discloses a detection device detects the opening and shutting of cooperation blast gate, suitably controls pipeline flow to reach the purpose that the special item purified, realized the high efficiency and the pertinence of purification. |