The present invention relates to an apparatus for spraying a liquid composition intended for the treatment of areas and surfaces of premises and the equipment which is contained therein.The apparatus integrates a spray nozzle comprising : - a secondary jet connected to means for supplying liquid and including means for effecting a first fractional distillation of said liquid and an expansion chamber - a principal jet connected to means for generating a gaseous flow, including means for effecting a second fractional distillation of said liquid and an outlet orifice to the atmosphere and - means for connecting said secondary jet to said principal jet, connecting the expansion chamber and the means for effecting the second fractional distillation of said liquid.The spray nozzle may further comprise an ultrasonic resonator and a resonance chamber connected to the outlet orifice.Is also claimed a method of spraying into the atmosphere, wherein a first fractional distillation of said liquid is effected by suction through a conduit which has a first Venturi, a second fractional distillation is effected by suction through means for connection of the expansion chamber to a second Venturi supplied by a gazeous flow under pressure, and possibly a third fractional distillation is effected by ultrasonic resonance.本發明係關於一種用於噴出使用於房舍的區域及表面的處理之液體組成物之裝置以及裝於其中之配備。該裝置整合噴霧嘴,其包含:次噴口,其連接至用於供應該液體的機構,且包括用於實施該液體的第一分餾之機構及膨脹室;主噴口,其連接至用於產生氣態流之機構,其包括用於產生該液體的第二分餾之機構及對大氣之出口孔口;及,用於連接該次噴口至該主噴口之機構,其連接膨脹室及用於產生該液體的第二分餾之機構。噴霧嘴可另包含超音波共振器及連接至出口孔口之共振室。本案亦請求一種使液體霧化噴入大氣的方法,其中該液體的第一分餾係經由具有第一文氏管的導管而藉由吸入所產生的,第二分餾係經由連接膨脹室至由在壓力下的氣態流所供應的第二文氏管之機構而藉由吸入所產生,且可能地,第三分餾係藉由超音波共振所產生的。1‧‧‧第一分餾之機構2‧‧‧膨脹室3‧‧‧第二分餾之機構4‧‧‧出口孔口5‧‧‧連接機構6‧‧‧第一文氏管7‧‧‧第二文氏管8‧‧‧錐形部件9‧‧‧校準圓柱部10‧‧‧錐形部件11‧‧‧圓柱部12‧‧‧連接導管21‧‧‧超音波共振器22‧‧‧共振室24‧‧‧導管25‧‧‧壁26‧‧‧外壁27‧‧‧軸承101‧‧‧主噴口102‧‧‧次噴口203‧‧‧導管204‧‧‧導管303‧‧‧導管
