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![Page 1: Paper id 149](https://reader034.fdocuments.net/reader034/viewer/2022051210/549ec66bac795906768b483a/html5/thumbnails/1.jpg)
Energy recovery from used transformer oil for small
power generation
Presented by
Pritinika BeheraNational Institute of Technology, Rourkela,
Odisha-769008Presented in ICAER 2013, IIT Bombay, Mumbai
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Energy from waste
One method of producing alternative energyGives an option for recyclingReduces environmental pollution
Presented in ICAER 2013, IIT Bombay, Mumbai
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Transformer oil
Insulating oil Helps for cooling the transformer
Presented in ICAER 2013, IIT Bombay, Mumbai
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Original Transformer Oil
Transformer oil is highly refined electrical insulating oil.
Now a days transformer oil are made vegetable oil based
Presented in ICAER 2013, IIT Bombay, Mumbai
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Oil deteoriation
Contaminated and disposed Small quantity are used in lightening purpose
Presented in ICAER 2013, IIT Bombay, Mumbai
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Used transformer oil (UTO)
A solution to reuse the used transformer oil disposed from electrical power stations.
Used transformer oil is proposed as an alternative fuel in a compression ignition engine in this study.
Presented in ICAER 2013, IIT Bombay, Mumbai
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Chemical composition of the UTO and diesel
Description Diesel UTOC (%) 86.5 89.95H (%) 13.2 9.19N (%) 0.18 0.03S (%) 0.3 0.35
O by difference (%) 0 0.44
Presented in ICAER 2013, IIT Bombay, Mumbai
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Physical properties of UTO
Property Unit Diesel UTOKinematic viscosity cSt@ 270C 2.4 13
Flash point oC 76 150Fire point °C 56 172Pour point °C -16 -16.7
Density kg/m3 860 890Lower calorific value kJ/kg 44800 39270
Sulphur content % 0.05 0.020T10 °C 210 320T50 °C 230 340T90 °C 260 370
T100 °C 350 360
Presented in ICAER 2013, IIT Bombay, Mumbai
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Operating parameters
Most important parameters are
Injection pressure Injection timing Compression ratio
Presented in ICAER 2013, IIT Bombay, Mumbai
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Experimental set up
Smoke meter
Gas analyzer
Load cell
DAS
Engine
Alternator
Air box
Presented in ICAER 2013, IIT Bombay, Mumbai
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Result and Discussion
Combustion parametersPerformance parametersEmission parameters
To evaluate suitable operating parameters for Diesel engine in terms of different injection timings
Presented in ICAER 2013, IIT Bombay, Mumbai
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Variation of cylinder pressure consumption with crank angle
Fuel with advanced injection timing shows higher cylinder pressure
Presented in ICAER 2013, IIT Bombay, Mumbai
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Variation of ignition delay with load
The higher viscosity of UTO results in shorter ignition delay compared to diesel
Presented in ICAER 2013, IIT Bombay, Mumbai
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Variation of heat release rate with crank angle
Retarded injection timing exhibits lower rate of pressure rise due to reduced ignition delay
Presented in ICAER 2013, IIT Bombay, Mumbai
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Variation of combustion duration with load
Lower combustion duration is observed due to shorter ignition delay
Presented in ICAER 2013, IIT Bombay, Mumbai
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Variation of exhaust gas temperature with load
The exhaust gas temperature is lower for advanced injection timing due to the occurrence of combustion earlier.
Presented in ICAER 2013, IIT Bombay, Mumbai
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Variation of NO emission with load
Higher combustion temperature results in higher NO emission
Presented in ICAER 2013, IIT Bombay, Mumbai
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Variation of smoke density with load
The retarded timing of UTO shows higher values of smoke emission due to incomplete combustion and poor atomization
Presented in ICAER 2013, IIT Bombay, Mumbai
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Conclusion
Due to variation of injection timing
• Engine was able to run with 100% UTO when the injection timing was advanced and retarded.
• Based on the combustion, performance and emission the optimum injection timing is found to be at 20obTDC.
Presented in ICAER 2013, IIT Bombay, Mumbai
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References
1. Murugan, S., Ramaswamy, M.C., Nagarajan, G. (2008) Performance, emission and combustion studies of a DI diesel engine using distilled tyre pyrolysis oil diesel blends, Journal of Fuel Processing Technology, 89, pp. 152-159.
2. Murugan, S., Ramaswamy, M.C., Nagarajan, G. (2008) A comparative study on Performance, emission and combustion studies of a DI diesel engine using distilled tyre pyrolysis oil diesel blends, Journal of Fuel, 87, pp. 2111-2121.
3. Arpa, O., Yumrutas, R., Argunhan, Z. (2010) Experimental investigation of the effects of diesel-like fuel obtained from waste lubrication oil on engine performance and exhaust emission, Fuel Processing Technology, 91, pp. 1241–1249.
4. Tajima, H., Takasaki, K., Nakashima, M., Yanagi, J., Takaishi, T., Ishida, H., Osafune, S., Iwamoto, K. (2001) Combustion of used lubricating oil in a diesel engine, SAE paper no. 2001-01-1930.
5. Yu, C. W., Lim, T. H., Bari, S. (1999) A study on the use of waste cooking oil as fuel for diesel engines, 2nd International Seminar on Renewable Energy for Poverty Alleviation. Dhaka, pp. 396–399.
Presented in ICAER 2013, IIT Bombay, Mumbai
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Any Queries ?
Presented in ICAER 2013, IIT Bombay, Mumbai