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<br />Overview <br /> <br />of an Air Curtain <br /> <br />Operation <br /> <br />. <br /> <br />"'n <br />¡;¡ <br />c: <br />~ <br />N <br /> <br /> <br />NOZZLE ~ <br />AIR CURTAIN <br />~ <br />;::::.~ <br />, <br />~; <br /> <br />~.- <br /> <br />..... <br /> <br />PIT WALL, EITHER DIRT OR <br />PRE· MANUFACTURED <br /> <br />A PQwcr .(lurce, eiU,cr clcatdc mQtor or die'el p<,WeT unit, drivcl . fan which ill turn <br />Cfel tU In air curtajn by forcing air lllfO"gh . plenum IInd Mule. fhi. high' vdoĊ“ty .ir <br />travel. Imo,. du~ top (I{ the pit whie!1 . fire haa bcml .tatlcd. <br /> <br />The ... curt.in trap. .woke Ind 1m-Ill} particle!! and recircul.tu them to erthancc <br />colllh".tion md reduce .mokc. The very large volume of air ItCcckrat", combluU.on and <br />providea rot high pit temperaturea bclwccn 1800 deAncs P and 2200 delfee. F. <br /> <br /> <br />The pit provida .. ...fc combustion CIUIIDbcr whidL hdp. prev.:!L! hnt 10... <br /> <br />IMPERVIOUS I <br />LAYER <br /> <br />Figure 2 <br /> <br />Scope of Work- Reduction &. Site Management <br />May 200S <br />Page 11 of 14 <br />