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32 Daniel Dragomir-Stanciu and Marian Stancu Fig. 3 – The gas generator and the cyclone. Fig. 4 – The reactor.
Bul. Inst. Polit. Iaşi, t. LVIII (LXII), f. 4, 2012 33 4. Conclusions 1. The pressure and temperature values indicate a good functioning of gas generator. 2. Flame shape and color indicate a high calorific value of the gas. 3. The presence of the tar require better filtration and gas cleaning. 4. Experiments will continue, and will accurately determine the gas flow, gas composition and calorific value. 5. The next phase of testing will be using of the gas as combustible for a piston engine and engine power measurement. REFERENCES Mathieu P., Dubuisson R., Performance Analysis of a Biomass Gasifier. Energy, Conversion and Management, 43, 8, 1291-1299 (2002). Mukunda H.S., Shrinivasa D.U., Open Top Wood Gasifiers. Renewable Energy, Sources for Fuels and Electricity. Island Press, 1993, pp. 699-728. Rajvanshi A.K., Biomass Gasification. In Alternative Energy in Agriculture. Vol. II, Ch. 4, Ed. D. Yogi Goswami, CRC Press, 1986, pp. 83-102. Reed T.B., Das A., Handbook of Biomass Downdraft Gasifier Engine Systems. SERI/SP 271-3022, Solar Research Institute, Golden CO, 1988. Schmidt D., Martin K., Biomass Gasifier Power System Feasibility; Final Report for Buil<strong>din</strong>g Materials Hol<strong>din</strong>g Corporation; EERC Publication 2005-EERC-10-02; Energy & Environmental Research Center, Grand Forks, ND, 2005. Wandera P.R., Altafinib C.R., Barretob R., Assessment of a Small Sawdust Gasification Unit. Biomass and Bioenergy, 27, 467-476 (2004). PROIECTAREA ŞI TESTAREA UNUI GAZEIFICATOR CU CIRCULAŢIE DESCENDENTĂ, CU PUTEREA 50 kW (Rezumat) Lucrarea prezintă proiectarea, realizarea şi testarea unui gazeificator cu puterea de 50 kW pentru o instalatie de microcogenerare. Gazeificatorul este cu circulaţie descendentă, biomasa utilizată fiind lemnul. Au fost efectuate calculele pentru dimensionarea gazeificatorului şi s-a stabilit soluţia constructivă. Pentru preîncălzirea aerului s-a adoptat o soluţie nouă, aerul fiind trimis spre zona de combustie prin canale semicirculare sudate pe corpul reactorului. Primele încercări şi teste au indicat o bună funcţionare a gazeificatorului. Experimentele vor continua, urmând să fie găsite soluţii pentru o reducere mai pronunţată a gudronului, iar în continuare se vor efectua teste pentru combustia gazului într-un motor cu piston.
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