Year 2018, Volume 24, Issue 3, Pages 329 - 339 2018-09-05

A Prototype Downdraft Gasifier Design with Mechanical Stirrer for Rice Straw Gasification and Comparative Performance Evaluation for Two Different Airflow Paths

İbrahim Savaş Dalmış [1] , Birol Kayişoğlu [2] , Serkan Tuğ [3] , Türkan Aktaş [4] , Mehmet Recai Durgut [5] , Figen Daşçı Durgut [6]

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In this research, a prototype downdraft throatless gasifier was designed with a mechanical stirrer. The gasifier was designed for gasification of rice straw pellets. The diameter of the reactor was 350 mm and a nominal value for the heat power of biomass input was 70 kW. Rice straws which were collected from Thrace Region of Turkey gasified for determination of the designed gasifier performance in Namik Kemal University Biosystem Engineering Laboratories. The effects of airflow path and stirring process on the gasification efficiency during the gasification process were investigated. Temperatures and airflow rates observed and adjusted by controlling the air flow rate in the automation system constantly. Pellets were gasified using two different airflow paths with the same equivalence ratio of 0.2 and these were compared. Air inlet from the top showed better results than air inlet from tuyeres. For the air inlet from the top, the higher heating value of producer gas was determined as 5.047 MJ Nm-3 and cold gas efficiency was calculated as 65.4%. H2/CO ratio was found as 1.385 which was higher than the air inlet from tuyeres. 

Biomass gasification; Rice straw; Stirrer; Throatless; Downdraft; Gasifier design
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Primary Language en
Subjects Engineering
Journal Section Makaleler
Authors

Author: İbrahim Savaş Dalmış (Primary Author)
Institution: Namik Kemal University, Çorlu Faculty of Engineering, Department of Mechanical Engineering, 59860, Çorlu, Tekirdağ, TURKEY
Country: Turkey


Author: Birol Kayişoğlu
Institution: Namik Kemal University, Faculty of Agriculture, Department of Biosystem Engineering, 59030, Tekirdağ, TURKEY
Country: Turkey


Author: Serkan Tuğ
Institution: Namik Kemal University, Vocational School Technical Sciences, 59030, Tekirdağ, TURKEY
Country: Turkey


Author: Türkan Aktaş
Institution: Namik Kemal University, Faculty of Agriculture, Department of Biosystem Engineering, 59030, Tekirdağ, TURKEY
Country: Turkey


Author: Mehmet Recai Durgut
Institution: Namik Kemal University, Faculty of Agriculture, Department of Biosystem Engineering, 59030, Tekirdağ, TURKEY
Country: Turkey


Author: Figen Daşçı Durgut
Institution: Namik Kemal University, Faculty of Agriculture, Department of Biosystem Engineering, 59030, Tekirdağ, TURKEY
Country: Turkey


Dates

Publication Date: September 5, 2018

Bibtex @research article { ankutbd456649, journal = {Journal of Agricultural Sciences}, issn = {}, eissn = {2148-9297}, address = {Ankara University}, year = {2018}, volume = {24}, pages = {329 - 339}, doi = {10.15832/ankutbd.456649}, title = {A Prototype Downdraft Gasifier Design with Mechanical Stirrer for Rice Straw Gasification and Comparative Performance Evaluation for Two Different Airflow Paths}, key = {cite}, author = {Dalmış, İbrahim Savaş and Kayişoğlu, Birol and Tuğ, Serkan and Aktaş, Türkan and Durgut, Mehmet Recai and Daşçı Durgut, Figen} }
APA Dalmış, İ , Kayişoğlu, B , Tuğ, S , Aktaş, T , Durgut, M , Daşçı Durgut, F . (2018). A Prototype Downdraft Gasifier Design with Mechanical Stirrer for Rice Straw Gasification and Comparative Performance Evaluation for Two Different Airflow Paths. Journal of Agricultural Sciences, 24 (3), 329-339. DOI: 10.15832/ankutbd.456649
MLA Dalmış, İ , Kayişoğlu, B , Tuğ, S , Aktaş, T , Durgut, M , Daşçı Durgut, F . "A Prototype Downdraft Gasifier Design with Mechanical Stirrer for Rice Straw Gasification and Comparative Performance Evaluation for Two Different Airflow Paths". Journal of Agricultural Sciences 24 (2018): 329-339 <http://dergipark.org.tr/ankutbd/issue/38772/456649>
Chicago Dalmış, İ , Kayişoğlu, B , Tuğ, S , Aktaş, T , Durgut, M , Daşçı Durgut, F . "A Prototype Downdraft Gasifier Design with Mechanical Stirrer for Rice Straw Gasification and Comparative Performance Evaluation for Two Different Airflow Paths". Journal of Agricultural Sciences 24 (2018): 329-339
RIS TY - JOUR T1 - A Prototype Downdraft Gasifier Design with Mechanical Stirrer for Rice Straw Gasification and Comparative Performance Evaluation for Two Different Airflow Paths AU - İbrahim Savaş Dalmış , Birol Kayişoğlu , Serkan Tuğ , Türkan Aktaş , Mehmet Recai Durgut , Figen Daşçı Durgut Y1 - 2018 PY - 2018 N1 - doi: 10.15832/ankutbd.456649 DO - 10.15832/ankutbd.456649 T2 - Journal of Agricultural Sciences JF - Journal JO - JOR SP - 329 EP - 339 VL - 24 IS - 3 SN - -2148-9297 M3 - doi: 10.15832/ankutbd.456649 UR - https://doi.org/10.15832/ankutbd.456649 Y2 - 2017 ER -
EndNote %0 Journal of Agricultural Sciences A Prototype Downdraft Gasifier Design with Mechanical Stirrer for Rice Straw Gasification and Comparative Performance Evaluation for Two Different Airflow Paths %A İbrahim Savaş Dalmış , Birol Kayişoğlu , Serkan Tuğ , Türkan Aktaş , Mehmet Recai Durgut , Figen Daşçı Durgut %T A Prototype Downdraft Gasifier Design with Mechanical Stirrer for Rice Straw Gasification and Comparative Performance Evaluation for Two Different Airflow Paths %D 2018 %J Journal of Agricultural Sciences %P -2148-9297 %V 24 %N 3 %R doi: 10.15832/ankutbd.456649 %U 10.15832/ankutbd.456649
ISNAD Dalmış, İbrahim Savaş , Kayişoğlu, Birol , Tuğ, Serkan , Aktaş, Türkan , Durgut, Mehmet Recai , Daşçı Durgut, Figen . "A Prototype Downdraft Gasifier Design with Mechanical Stirrer for Rice Straw Gasification and Comparative Performance Evaluation for Two Different Airflow Paths". Journal of Agricultural Sciences 24 / 3 (September 2018): 329-339. https://doi.org/10.15832/ankutbd.456649
AMA Dalmış İ , Kayişoğlu B , Tuğ S , Aktaş T , Durgut M , Daşçı Durgut F . A Prototype Downdraft Gasifier Design with Mechanical Stirrer for Rice Straw Gasification and Comparative Performance Evaluation for Two Different Airflow Paths. Journal of Agricultural Sciences. 2018; 24(3): 329-339.
Vancouver Dalmış İ , Kayişoğlu B , Tuğ S , Aktaş T , Durgut M , Daşçı Durgut F . A Prototype Downdraft Gasifier Design with Mechanical Stirrer for Rice Straw Gasification and Comparative Performance Evaluation for Two Different Airflow Paths. Journal of Agricultural Sciences. 2018; 24(3): 339-329.