Design And Fabrication Of A Simplified Downdraft Gasifier System For Generating Woodgas In Emergency Using Charcoal And Sawdust As Test Fuels

ISRAEL CHIMAROKE NKEMAKOLAM | 106 pages (26210 words) | Projects / Dissertations

ABSTRACT

A Simplified downdraft gasifier system for generating wood gas in emergency using charcoal and Sawdust as test fuel" was designed and fabricated in order to provide a fast alternative source of waste to energy conversion technique. Gasification is a thermochemical process which converts solid biomass into a mixture of combustible gases. The project design was achieved by incorporating some characteristics of Imbert throat design to the reactor core of the cross-draft gasifier. The material used for this project was selected based on thermal conductivity and heat exchange rate. The frame of the gasifier was made of mild steel plate having dimensions (463mm length x 275mm width x 220mm diameter). The fabricated simplified downdraft gasifier comprised of the heating unit, biomass conversion unit and the gas control unit. The units made use of rankine cycle for heating process vapour compression cycle for gas cooling process and principle of heating coil or traditional heat source. The result of the analysis carried out showed the efficiency (n) and the coefficient of performance (C.O.P.)Rof the system to be 90.06% and 9.67 respectively. The temperature obtained from the combustion chamber and cold chamber is (800-25) °C and (775 —10) °C respectively. Charcoal and sawdust are used as a feed stock in the gasifier. Performance of the gasifier with feed stock is checked and their result tabulated. It was seen that charcoal is to be fixed and sawdust gradual increased at regular interval in weighted proportions of the feed mixture to generate producer gas having higher heating value of 4341 .2KJ/Kg.

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APA

ISRAEL, N (2021). Design And Fabrication Of A Simplified Downdraft Gasifier System For Generating Woodgas In Emergency Using Charcoal And Sawdust As Test Fuels. Repository.mouau.edu.ng: Retrieved Aug 11, 2022, from https://repository.mouau.edu.ng/work/view/design-and-fabrication-of-a-simplified-downdraft-gasifier-system-for-generating-woodgas-in-emergency-using-charcoal-and-sawdust-as-test-fuels-7-2

MLA 8th

NKEMAKOLAM, ISRAEL. "Design And Fabrication Of A Simplified Downdraft Gasifier System For Generating Woodgas In Emergency Using Charcoal And Sawdust As Test Fuels" Repository.mouau.edu.ng. Repository.mouau.edu.ng, 01 Dec. 2021, https://repository.mouau.edu.ng/work/view/design-and-fabrication-of-a-simplified-downdraft-gasifier-system-for-generating-woodgas-in-emergency-using-charcoal-and-sawdust-as-test-fuels-7-2. Accessed 11 Aug. 2022.

MLA7

NKEMAKOLAM, ISRAEL. "Design And Fabrication Of A Simplified Downdraft Gasifier System For Generating Woodgas In Emergency Using Charcoal And Sawdust As Test Fuels". Repository.mouau.edu.ng, Repository.mouau.edu.ng, 01 Dec. 2021. Web. 11 Aug. 2022. < https://repository.mouau.edu.ng/work/view/design-and-fabrication-of-a-simplified-downdraft-gasifier-system-for-generating-woodgas-in-emergency-using-charcoal-and-sawdust-as-test-fuels-7-2 >.

Chicago

NKEMAKOLAM, ISRAEL. "Design And Fabrication Of A Simplified Downdraft Gasifier System For Generating Woodgas In Emergency Using Charcoal And Sawdust As Test Fuels" Repository.mouau.edu.ng (2021). Accessed 11 Aug. 2022. https://repository.mouau.edu.ng/work/view/design-and-fabrication-of-a-simplified-downdraft-gasifier-system-for-generating-woodgas-in-emergency-using-charcoal-and-sawdust-as-test-fuels-7-2

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