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<br /> <br />Placement in Plenum <br /> <br /> <br />Designing for Plenum Protection <br /> <br />A aingle AOP nazzIe wiI protect a lingle filter bank planum with <br />the following maximum dimensions: <br /> <br />. Faat (1.1 m) <br />. Feat (1.2 m) <br />. (1.8 m) FHt Long - <br />ZD Inctlel (51 em) Wide <br />Aaingla ADP nozmwill proIad aVr"'r bank planum wilh the <br />following dimenSionS: <br /> <br />Plenum ~ngIh <br /> <br />Plenum Width <br /> <br />FIlter Area <br /> <br />3 FHt (.9 m) <br />.. Feet (1.2 ml <br />3 Feat (.9 m) Lcmg - <br />.to InctIea (102 em) WIde <br /> <br />~~1hen::::===:'V'lIIIer <br /> <br />Plenum lAngIh 1D FHt (3.0 m) <br />Plenum WIdlh .. Feat (1.2 m) <br />FlWr Area 10 Feet (3.0 m) Long - <br />40 InchH (102 em) WicIa <br /> <br />PIerun LAngttI <br />Plenum Width <br /> <br />FIlter Area <br /> <br />NOTE: 40- (102 em) WIDE FILTER AREA IS MADE UP <br />OF TWO FILTERS WHICH 80TH HAVE AN EXPOSED <br />FILTER SURFACE OF 20- (51 an). ntts DOES NOT <br />INCWDE 'THE FLTER PRAllE. <br /> <br />-..-.~- <br /> <br />When no filters are presenl. the nozzle proteding the <br />plenum is UAd to discharge Katbaloye on the underSide at <br />the hood. 'n this cae. the hood may not exceed alenglh oC <br />61L (1.1 m) for 1he ADP nozzle and 10 ft. (3.0 m) tor the <br />plenum nozzle. The hood shall not exceed a widltl crt 6 fL (1.8 <br />m) for eilhar nozzle. <br /> <br />A lingle "'r bank planum with a length of 61l (1.8 m) or <br />... may be praI8C;1ed by one ADP nozzle. A 'V' fiIIIr bank <br />planum with . IlIngth of 3 ft. (.9 m) or lea may .. be <br />.,A~ by one ADP nozzle. A plenum with either a single <br />_bank or 'V liter bank and a length of lOll (3.0m)or... <br />may be proteclMt by one plenum nozzle. Either nozzle shall <br />bemcm.d at_and aflhe plenum. Langer~ maybe <br />IIimiIMy praIK1R wiIIl a aingie loOP nozzle being ...a tar <br />-=h3or61L (.9 or 1.8m) of plenum length (dependingonlhe <br />tp af ftbr a.nk) Md uch '0 Il (3.0 m) of pienum IangIh <br />for....... nozzles. <br /> <br />ADP and plenum nozzles mBY be used in IIfV cantina- <br />Iians (see FIgure , 9d). Multiples may be instaIed In pan at <br />the midpoint of 1he plenum with their dlscharg8s dncIed 11 <br />the ends of the plenum or installed . each end of 1he pIerUn <br />wiIh 1he disdwgM dnctIId . the midpoint. <br /> <br />ADP 8nd plenum rmzt.s must be cenIrdy IcaIId in lie <br />pIIIun (.... figtn 32d) wIIh IhBir diIcharge direcIed aIaIlg <br />1he Itrigth at the plenum. In no case. however. shill .. <br />horizolltal CWIler Ine of the nozzles be (ocated morw ttIM 15 <br />(38 em) incMa from the inside filler surface. <br /> <br />...,. -..... -- <br /> <br />~ 1....7~.IB <br />B ~"I'(1~.1 ~ <br />t> =-.. <br />~ ~ ~"1r(UJ ~ <br />t> ...c::I 12' (3J IlII <br /> n-p,'" r e>1 <br /> 13' <br /> <br />r <br /> <br />~ <br /> <br /> <br />4 tl'(UIII) <br /> <br />"""'.........-.\ .. <br /> <br />l'n.(u~"I~ <br />~ <t> I ,8'(lIIl) . E <br /> <br />~ <11III fI""'1L'....'.I.. ~ <br /> <br />EXMoA.ES OF TYPICAL NOZZLE P\.ACEMENl'S USED TO PROTECT PLENUMS OF VARIOUS LENGTHS , <br /> <br />;:~_\~ A::: ~~-7~;:_:- <br /> <br /> <br />~13I_1 NO~~WlTHINPLENUM ~ Mca_, <br />-~ ~ --...... <br />_La......~ _Il FIGURE 2Dd -v- ~L""" ...NIl <br /> <br />~ <br /> <br /><> <br /> <br />~ <br /> <br />J <br />