Feed Later Heat

energy Feed nlater Heater T L H SH P P T HP B LP COND COOD LP P HPTWA P FWA P Winkede) S of water imp Reheater Consideration) conspiration of a reheater Design T RH Exp LIPTEXP VIA 2 (hu-M), (ho- Conp S we - Rate of spt Heat (provid Absorption you New in a Reheater tg2 Steam to LPT up high ws(44 - h3) tst2 QPH RH = wg cpg (tr- - (92) 4.40 (at ) mm 3020. = steam for HPi tgi (g2 1(wg) tstr Egi flue gase Mass 0857 he tst is sti / L p "is sto Ao nxxxdoxL Ws= in JAV = where [nx4 dit] Veterity at exit vs

12 steam is reheated to the original temperature by at 90 bav, 4800 IS supported O a Turbone. Steam expension being passed after through (theating a Reheater takes place at 12 to laav. a Cordensor The of preceive 0.07 bar FIVE the officiery if of flow the steam is 5 kgls Neglest in pressure turbine. and reheat cycle and the work output losses of assume isenstropic expension the . goba Consider the pump work also. I 3 T Heat supplied = G - hb) + h3-h2) - Wp 12 box 2 6 Reheater 46- = hst Pump work. Wp 0.07 bel 0.07 bas hs @ 0.07 bav ht 5 4. S 45 = 163.4 k5/kg he of water extering boilev. goba Estably increases the pressure from 0.07 bar x105 to pump Pump work = Volumex wab 5 (90-0.07) 1000 my x N/A 0.001007 ml kg x (90-0.09), = 1000 les I = 9.055

Designing an APH (An Pvc Healer) APH heat from Recuperative gases sincerely therefored air through Pryconnective - - have storage an type energy storage (account) the neat entage medium called maint surface (tube, plate typ - Mathre is alternatelycard exposed to not fluids { the gav? airto boller Heat brance in a APH by Recuperative type fing flue (g) gaves in that tar taz applier to (deposition) ta, (J2 FD airform ta, En atm QAPH mg cpy tg2 ( tgi - (g,) Wa Cpo Ctar (a)) F 4.Ao (At lm. rw I I I t what, I hiAi h Ai know hoto + V due to deposition mast) wig = n 4/4 X (vg), dit Ii Si - P (p= SPT ) Rg : characteristic Gas Constant Rg Tg); P= 1.03 bas Tgi = inlet gas temp, Vgi (inlet gas velocity) (12-14 mls) Noin D

(g, Fluegas t to L t12 tax AN Ab or L: If fouling is small (Negligible) I t xw + to hi Kw ho Q. A Boiler plant incorporates stear an at 40 economizer bar and and 300°C as (APH) and value 33,000 101kg feed burnt at is raised flow to cooled with a rate fuel of 500 Eg/h The temperature 125°C in the of econor miser water and the flue gases ave flue smaltiancority then enter 395 to 225°C air the from (APIt) where the temp of for the delivers air to An FD is raised at a by th 75°. of 1.02 bar across and the at a fan temp of APH of 16°c with a pressure The power rise input to the of for 78% is 180mm of water. mechanical efficiency 1.01 KJ/ 5KW naylecting and heat it has calculat losses a and taking pas tw Afthe goses. flow vade of air S P the mass Mass flow rate Ma = SAY , RT inspect (a) & for power VAPP b ma Sa per Temp of flu gases leaving the plant {225- APM. ma cig(m) macral 95) Temp chappool flue gain heat for Mass flow rate of steam (nerge balane in Powain c legh (XP) d Efficiexy of bother.