Desuperheater Boiler Feed Water Requirement 6p1f5a

CALCULATIONS OF THE BOILER FEED WATER REQUIRED FOR DESUP

BOILER FEED WATER IN

SUPERHEATED STEAM IN

NO 1 2 3 4 5 6 7 8 9 10

PERTIC H1 H2 Lh M1 M2 Mw T1 T2 Tw

UNIT KJ/Kg C KJ/Kg KJ/Kg KJ/Kg Kg Kg Kg C C C

DESCRIPTION Specific Heat of desuperheating water Enthalpy of superheated steam Enthalpy of saturated steam Latent Heat of vaporisation of water at Tw Mass of superheated steam into the system Total Mass of saturated steam out of the system Mass of boiler feed water for desuperheater Temperature of Superheated Steam Temperature of saturated Steam Tempearture of Boiler Feed water for Desuperheating

Mw = [M1(H1-H2)]/[(T1-T2)+Lh+H2] M2 = M1+Mw Mass of boiler feed water for desuperheater cal. M1(H1-H2) *(T1-T2)+Lh+H2 Mw M2

WATER REQUIRED FOR DESUPERHEATERS

SATURATED STEAM OUT DESUPERHEATER

VALUE 4.24351 3133.2 2724.88 482.59 9000 9887.428773 887.4287734 360 140 115

TO BE FILLED

ANSWER TO BE FILLED

Note- Please give inputs in yellow blocks Unit 3674880 4141.0422 887.4287734 9887.428773

Kg Kg

_--- PAKAR KATRE