Numerical and experimental investigations for optimisation of plant capacity for bagasse fired furnace

Authors: Shanmukharadhya, K. S.; Ramachandran, K.

Source: Journal of the Energy Institute, Volume 82, Number 2, June 2009 , pp. 69-75(7)

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Abstract:

Modern stoker furnaces are designed to operate under various operating capacities depending upon the fuel and air feedrate. The rate of fuel burning is related to the air supply. The variations in the operating capacities will have a significant influence on the efficiency of combustion and hence distribution of temperature inside the furnace. The distribution of temperature and flame propagation in turn influence the efficiency of the boiler. This paper highlights the effect of plant operating capacities on the distribution of temperature at various zones of the furnace and also suggests the optimum condition required for the plant, based on numerical and experimental studies. Non-premixed combustion modelling is used for bagasse combustion and steady state calculations are performed. Experimental investigations are carried out by measuring the key parameters such as furnace temperature, moisture and calorific values of the fuel. Both experimental and computational analyses conducted reveal the same trend of results regarding the effect of plant operating capacities on temperature distribution.

Keywords: OPTIMISATION; BAGASSE; COMBUSTION; CAPACITY; FURNACE

Document Type: Research Article

DOI: http://dx.doi.org/10.1179/174602209X427051

Publication date: 2009-06-01

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