| Survey of Thermal Efficiency of Bulls Trench Kilns |
N. C. MAJUMDAR, F. U. AHMAD
AND KALYAN DAS
Pages : 79-88
DOI : 10.1080/0371750X.1968.10855635 |
| Abstract |
| Thermal characteristics of four Bulls trench kilns of d(fferent designs have
been studied. Factors responsible for wide variations in the quality of burning, fuel
consumption and other performance characteristics have been explained. Thermal
balance sheet for each kiln has been presented indicating the quantity of heat utilized in
completing different processes and the quantity lost through different sources. Theoretical
heat requirements for burning bricks have been calculated and thermal efficiencies
of the kilns, calculated on minimum heat requirements, have been compared. It is
concluded that the thermal efficiencies being more or less the same in all cases, none
of the designs studied, offers distinct advantage over others. Practical suggestions for
improving the thermal performance of such kilns have been given. |
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