The invention discloses a filter screen. The filter screen comprises a frame; at least 6 layers of a net structure are fixedly arranged in the frame; from inside to outside, a metal wire net support layer, a porous fibre layer, an active carbon layer, a catalyst layer, a porous fibre layer, and a metal wire net support layer are overlapped on the net structure successively from inside to outside; the catalyst later is composed of a powdery catalyst comprising a carrier, an active component, and a catalyst promoter. PM2.5 particles, nitrogen oxides, and oxysulfides contents are reduced to extremely low levels when fog and haze air is delivered through the filter screen; air in vehicles is purified effectively; and respiratory system health of people indoor is protected.


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    Title :

    Filter screen


    Contributors:
    SHEN QIU (author)

    Publication date :

    2016-02-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B01D SEPARATION , Trennen / B01J Chemische oder physikalische Verfahren, z.B. Katalyse oder Kolloidchemie , CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht



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