The article presents results of investigation on the combustion of a mixture of pyrolysis oil from tires and regular fuel in the internal combustion reciprocating piston engine. The tested fuel consisted of: diesel fuel and pyrolysis oil at amount of 10% by volume. The tests were carried out on a single-cylinder naturally aspirated compression-ignition engine. The engine was equipped with a common rail fuel injection system and an electronic control unit that allowed changing injection timing. A comparative analysis of pressure-volume charts for the reference fuel, which was diese fuel, and for a mixture of diesel with 10% addition of pyrolysis oil was carried out. Injector characteristics for the reference fuel and the mixture were determined. Engine efficiency for both fuels was also determined. Unrepeatability of the engine work cycles for the diesel fuel and the tested mixture was calculated. Finally, exhaust toxic emission was analyzed. It was found that the pyrolysis oil can be used as valuable additive to regular diesel fuel at amount up to 10%, however, toxic exhaust gases emission was increased.
W artykule zaprezentowano badania dotyczące termicznej konwersji mułu węgla kamiennego przy użyciu spalin jako czynnika konwertującego. Ideą procesu jest recyrkulacja powstałego gazu palnego (syngazu) do komory spalania kotła, z którego pobierane były spaliny. Celem badań jest określenie przydatności mułów do pośredniego spalania w kotłach energetycznych oraz opracowanie zaleceń do prowadzenia procesu w skali przemysłowej.
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