62 ARTICLE / MAKALE A( Droa nn ag led soof nf i l tCr aotmi opnapnryo di nuec .t )s daecrtoesr ms itnhee tfhiletetrrsu ew lhoeand itnhge otnurabinfielleirs isintoopmeeraatsi ounr e. the pressure drop v tS h e e e r l yf f - i c l h t l e e e r l a p s n f u li o n l w g in . ( T o e t h x h e t e e s r n e w d i s i s n y e g s t k f e i n ll m o e w s r l n a if r e e a s b e y pq k u u e i l p s e e p p e -c i d nl g e w a t i n h th e in g i p n ) r s e ft i s r ll u s e m u r r e e s n y t d s a r t t o e io p m n a s t co a r ore s s ma i re. aWs uhreen t ht hee ppr er essssuur er e ddrroopp arceraocshsetsh ea fci l teerrtsa i an s l et hvee l ,t utrhbei n seedl fr-acwl esa ni tisn g hardware automatically pulses air through the system to: Ocollep hctyesdi c aolnl ytshheoscukrftahceeesleomf tehnetsfitlloerlomoseedniaparticulate that h a s O momentarily ' backflush ' that particulate offthe media Hb eoswi deevserp, ri te smsuusr et adlrsoop bteh artenceoeg ndi ztoe dbteh acto nthsei dreer eadre woht heen r dfaecctiodri ns g if the fci lot enrdsi t inoeneodf ttoh eb emcehdai an,gwe dh.i cOh ncea nofdtehgersaed efaecvtoerrs t ii sm teh, ee ps ph yesciicaal l yl w h e n e ry i sxtphoes ecdo ntdoi tvi oan oi nf gthtee mmpeet ar al tpuar er t sa on df thheu mf i litdei trys . cl fo n! hdei trieo niss . rAu sntoi nt hg eorrfactor cmoaryrocsaiounseondainmnaegrelintoertsheoftuthrbeinfeill.er, those particles can break off and Ad esgar ardual et i,ofni l t, eorrs ifs !hhoeurl ed ibsef icl l eh ar n! i gn ee dr caonryr toi ms i oen! hoenr et hies cs li eg nainf ı csai dnet mo fetdhiea filler media. FINDING THE ECONOMIC CHANGE-OUT POINT s tR u y e r s b p t i e l n a e m c i s n b g l w a f d it i e l h le s h r o u er n l e d lo m r s e e t d n s re t s o v e f c n a fi u n lt e e b r f e s r .o q m B u u i t r t e e c d c o u o m c s e t p ly d a, r p e e o d s w p t e o e c r t i p a he l ll a y n c o ! o n o s tu la t o r p f g u e r t, e r i p t t u la ir s c b ii n n g e wm eo lrl ewcoor tsht st ht oe fi ni l lveer srtempel anct .e mi t es nhtotuhl da najl suos t bteh ereccoosgt sn i soef dt h e! h aetl etmh eernet sa. r e Ts i ht ee,s et h ec ocsot ss t i nocf l ul adbeo tuhret oc ocshtaonfg ter atnhsep of i lrtteartsi o, na nt od gceots tt hs ea sf ısl t oe cr si attoe dt hwe i t h dinistphoesaplowofetrhgeefnilteerrastiobneiningdursetpryla,cperdo.per filtration helps ensure that the tpur robdi nu ec i ni sg neovt e"no voenr we ot er nk ti nh g o' ft oa ppr eo rdcuecnet el ensesr gpyo. wl fe tr h, et h taut r bl oi ns es ci sa n b e a tshigonuifsıacnadnst loosfsdoolflarresvepenuredafoyr. the plan! - some times to the tune of oi nnl e ht opwr ems suucr he wd roorpk a( mt eu rabsi nu ree dn ei en dms mt o opfr owdautceer ) t oh apsu al l as ii rg ni ni ft ıoc at hnet et uf frebci tn e . ENERJi & KOJENERASYON DÜNYASI Diffusion lnterception lnertial lmpaction Particle Bounce .... S Sh lo e u d g d h in in g g & -- o • -�o •o DustCake Formation Sieving Gravity Pulse Cleanin 9,t:e • Electrostatics gHeotwt i negv et or , ti nhcer et uarsbei ns ei n, wphr ei cshs ur reed udcreo sp twh ei l l taul rsbai nree' ds uocuet pt uh te pdoewnesri t. y o f a i r Gp reenses ruar el l y dar cocpe, pat epdo wi nedru sptl ar yn ıg uciadne l ei nxepse rsi eu gn cg ee sat !l oh as ts fion r teuar bcihn e1 0o0u tmp umt o f pa obwaesre ol ofa sdo smyeswt ehme r (er ubnentiwn ge eant 1a%b o uatn d8 010.04 %h o. uBr as speedr oyne a! rh) i se xgpuei dr ei el ni ncee, si f tarnanisnlcarteemi netnotaal plorsesssoufreo udtrpoupt ooff 02.52 5m%m. , !hat pressure drop w o u l d yL ee at ' sr , ceoancthi n u2 e. 5 t hmeme xpar emsps luer.eFdorroap pwl aonuıl d! h raet soupl !eirna tteh se al ot s8s0 o0 f0 2h ohuorusr sp eorf o1 5pe0 rMatWingoouutptpuut,t e(8a0c0h02x.5 0m. 0m2 5in%c)reinmoennetayl eparer.sUsusrien gdraonp ewnigl l i nreeswuli!thi na300 a iM n r c W o r u e h n m d oe f U n l t o S a s $ l t 4 p p 0 r o e , w s th s e a u r r t 'e s o u d a t r p o $ u p 1 t 2 . p , O e 0 p 0 r e 0 y r e a p a t r o r ic . r e s lf - t c 1 a a g n M ( W u lo s s h e t o r t e f h vis o e u n f t o p u r u e m t ) u f p o la o r w t e o e a r c c i h o s m 2 w p .5 o a r r t m e h m tdheet ecromsi nt eo fapnoewceor nl oo ms si ct oc ht haen gteo-t oa ul tc opsoti notf ! fhi al l et rmraekpel ascseemnesnet ,f oarn dt h e i r a(Bpuptlicaalstaionno. te that a filler change-out decision should not ignore the ci nosst tasl l aatsi osno coi af tneedwwfiitl the rssh. oTrtl i e-tedrimr t i einreffi lftiecri es nacriee,s t ht healtl i gohcecru rt hweiitrhetfhficeiency. Wc hhaenng ef idl t ,e rsso ma ree enfef iwc i,etnhceyy i as r el o st ht eb el ecaasut seef foi cfi ef notu. l iEn vge. rOy pl iemr ea t oar sf i l lsehroi us l d tbheemprseeplavreesd.)for more frequent off-line washing until the filters reason' CONCLUSION Tb eh ce opmoitnegn tgi ar el faot er rr e! ht uarnn sefvreo rmbme foodr ee. r nA sp ot wh ee ri ngdeunsetrrayt imo no vpel asnftosr wi sa r d , ptor ooppet irmmaal ipnet er fnoarnmcaen ac en .d Sseul pepc ot i nr tg otfhteh er i gi nhst tfai l tl l ee rds af oi rr fti lhl eerj os ybs, taenmd i s a k e y kvnaol uwa bi nl ge wt uhreb ni n et omcahcahnign ee ! h, ei nmc r, ewaisl l eh teul pr bpi noeweefrfi cpileannct sy , parontdecptr ot h e i r ry duce healthy profıts. RD oi cnhaal rdds oPn. DCuonmnpaanndy iJnaem. , eMs i nAn. eBaepnosl ies n, Mairnen ee ns og itnae, eUrSs . wFiat hx :t h+e1 9 5 2 887 3843 e-mail: filterinfo@mail.donaldson.com Source: Cogeneration&On-Site Power 11/12 2003
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