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Operational Study of Circulating Fluidized Bed Steam Generator

Journal: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) (Vol.7, No. 6)

Publication Date:

Authors : ;

Page : 543-550

Keywords : Circulating Fluidized Bed Combustion (CFBC); Pulverized Coal Fired Combustion; Clean Coal Technology; Proximate Analysis; Ultimate Analysis & Inertia;

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The paper aims at studying the operation of a lignite fired Circulating Fluidized bed Combustion steam generatorof 250 MW capacity located at NeyveliinTamilnadu in South India. Circulating fluidized bed combustion(CFBC) is a techno-economical alternative to conventional pulverized coal fired combustion. It is a clean coal technology and is environment friendly. From the proximate analysis,the lignite consisted of moisture (50%), sulphur (0.70%), ash (8.50%). From the ultimate analysis, the elemental composition were carbon (27.50%), hydrogen (2.20%), sulphur (0.70%) and oxygen (10.40%), nitrogen (0.20%) were found. The operational study was doneand the particle size was one of the main factor for the efficiency. Finer particles consume auxiliary power while coarser particles due to their inertia are difficult to entrain.

Last modified: 2018-01-13 20:35:47