energy analysis of 32mw coal fired thermal power

12
Energy analysis of 32MW Coal fired thermal power plant Muhammad Usman Ikhtiar 14-MS-FT-TF-01 1

Upload: muhammad-usman

Post on 15-Sep-2015

18 views

Category:

Documents


2 download

DESCRIPTION

In this project, an energy analysis of a 32 MW coal-fired power plant is studied. The energy formulations are developed for the system. The world energy needs rely heavily on fossil fuels for electricity generation. The majority of the world’s power generation is met by fossil fuels, particularly coal and natural gas. Despite the growth of renewable energy installations like wind and solar power, the heavy dependence on fossil fuels is expected to continue for decades. Despite the depletion of fossil fuel reserves and environmental concerns such as climate change, the growth in oil demand is expected to be 47.5% between 2003 and 2030, 91.6% for natural gas and 94.7% for coal. Even though cleaner renewable sources of energy are being rapidly developed, their relative cost and current state of technology have not advanced to a stage where they can significantly reduce our dependence on fossil fuels. Therefore, given the continued reliance on fossil fuels for some time, it is important that fossil fuel plants reduce their environmental impact by operating more efficiently.

TRANSCRIPT

Energy analysis of 32MW Coal fired thermal power plant

Energy analysis of 32MW Coal fired thermal power plant

Muhammad Usman Ikhtiar14-MS-FT-TF-01

11Energy balance of different Components

6Analysis of coalContents UnitsMoisture25 %Ash0.88 %Hydrogen4.06 %Nitrogen1.1 %Sulphur0.075 %Oxygen7.935 %Carbon60.95 %GCV21981.75 KJ/Kg3

Process parametersiEnthalpy Kj/KgPressure KpaEntropy KJ/KgKTemperature CMass flow rate Kg/s0313.695.065.763401344088006.73752036.392343284006.74751536.3932399187.3257.828.114234.8180.781956.128.115247.911300.8185930.346248.111100.818659.0530.347405.410101.26896.630.348586.23621.73914036.409596.912,0101.72714036.4010856.912,3102.31420036.4011317923736.948371.83.7912698.423501.9911654.27132845501.27.037195.11.51142618116.67.308104.11.9315293.1900.9549701.934

ContinuediEnthalpy Kj/KgPressure KpaEntropy KJ/KgKTemperature CMass flow rate Kg/s2127571027.5581400.01222677907.4131000.012328633627.2212000.3324590.33621.7371400.07252898501.27.1482200.3127943.623732.5182200.47302715116.67.3931200.2331313.695.065.763402352.9832325.495.065.851.642352.985Comparison of heat losses (kW) in major components of the power plant

Fig 2 : Authors Energy losses calculations as compared to current study calculations

7Results

Fig 3: Energy efficiency vs. generator output (load).Fig 4: Generator output vs. inlet steam flow to the turbine

8Results

Fig 6: Comparison of energy in and energy out (reference article) Fig 5: Efficiency vs. cycle steam temperature.9Calculations of the Fuel requirement and the plant efficiency 10

ConclusionA first law analysis of a thermal power plant has been performed in this studyThe power plants energy efficiency is determined to be 30.12% for the gross generator output by the author, but my calculation was restricted to 27 %.The maximum energy destruction is found to occur in the Air cooled Condenser up to 31 % approx.

11Questions???

12