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Automation of 10 KW Biomass Gasifier and its effectiveness on saw dust briquettes with binder cow dung

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Author(s): K.Sivakumar | N. Krishna Mohan | B. Sivaraman

Journal: International Journal of Engineering and Advanced Technology
ISSN 2249-8958

Volume: 1;
Issue: 5;
Start page: 107;
Date: 2012;
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Keywords: Programmable Logic Controller | Combustion. | Manual mode | Auto mode | gasifier efficiency | gas composition | Product gas

ABSTRACT
India is very rich in biomass. It has a potential of 19,500 MW (3,500 MW from bagasse based cogeneration and 16,000 MW from surplus biomass). Currently, India has 537 MW commissioned and 536 MW under construction.(GENI). On the other hand rural biomass gasification projects for power generation are facing lot of practical difficulties on operational effectiveness of gasification due to shortage of man power and knowledge worker for the operation of gasifier. Preparation of briquettes and starting and stopping of gasifier is a difficult task in many rural areas. So many rural power projects are failed to take momentum on implementation. This paper is focus on experimental investigation on effectiveness of automation of rural 10 KW biomass gasifier and its effectiveness. PLC based SCADA system was introduced in the programme controlled gasification of bio mass gasifier was experimentally tested. The results reveal that it improved gasification efficiency and less dependent of human man power. This experiment was tested with saw dust briquette with cow dung as binder having 75:25 ratio at 800* C. This ratio is selected because of higher gas composition than any other ratio’s. it is investigated in manual mode operation and Automation mode operation for its effectiveness in a 10 KW down draft gasifier The experimental result reveals that, the gasification effectiveness is high due to complete combustion and its efficiency is improved around 10%. Automation leads to complete combustion and it helps to improve the reduction process of gasification. it increases in the production of Methane and CH4 in producer gas.. Quality of product gas produced is comparatively better in automation of gasifier.
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