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we will find all losses

% heat loss in dry flue gas = (m(dfg)× Cp(fg)×( T(fg ) T(a)))/(G C.V)× 100

L1

% Heat loss due to evaporation of water due to H2 in fuel (%) =(9×H2×{ 2443.456+ Cp(s) (T(fg) -T(a)})/(G C.V.)× 100

L2

% Heat loss due to moisture in fuel= (m(w)×{ 2443.456+Cps (T(fg)- T(a) })/(G C.V.)× 100

L3

% Heat loss due to moisture in air = (AAS ×humidity factor×Cps (T(fg) -T(a)})/(G C.V.)

L4

% Heat loss due to Partial combustion of C to Co = 0 (complete combustion)

L5

% Heat loss due to radiation and convection = for power station boiler is 3%

Heat input

44007.92 KJ/KG

Heat to Dry flue gas

3855.093 kj/kg

Heat loss due to radiation and conviction

L1

1320.23 kj/kg

8.76%

L6=3%

Loss due to moisture in fuel

L3

7.92 KJ/KG

L3

Heat Loss due to H2 in fuel

Loss due to moisture in air

0.018%

3511.832 kj/kg

L2

L4=0.547%

7.98%

240.72 KJ /Kg

(1) Direct Method

by British standards

for boiler no.4

where

  • m(s) Mass of steam generated
  • m(f) mass of fuel consumed
  • h(s) enthalpy of steam produced
  • h(f.w) enthalpy of feed water
  • L.C.V low calorific value of the fuel

Boiler efficiency = η= (24040.4 ( 3207.5 – 567.8 ) )/(2671.659×41565.62)×100

η=57.14 %

And the same for the rest of the boilers

Introduction

In this project we will do thermal analysis for the power house of Aden refinery. We are going to cover the major components for the station and their performance and showing diagrams and some pictures of the components.

layout diagram of the power plant

This presentation will be as follows

(2) indirect method

by british standards

boiler efficiency

to do this method we first need to determine the composition of the fuel( heavy fuel in this case with s= 0.937

G.C.V = 18920 btu/lb = 44007.92 kJ/kg

N.C.V = 17870 btu/lb = 41565.62 kJ/kg

  • Performance calculations of boiler.
  • Performance calculations of steam turbine .
  • Performance calculations of THE CONDENSER .
  • Heat balance of major components like (superheater, air preheater etc).
  • thermal analysis for the distillation plant

Performance Calculation of Aden Refinery Power Plant

location of the project

this project is located in the refinery of Aden in little Aden

Power house

prepaired by : Amr Ali Ghaleb

Mohammed Ahmed ali

supervised By dr. Ma'an garada

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