The article presents the scheme and principle of operation of a combined fluidized bed unit with re-utilization of heat from exhaust gases of a diesel generator and indicates the requirements for the functioning and operation of these types of installations. It presents theoretical and experimental graphs of the required volumes of air replacement with diesel exhaust gases in nominal and fractional modes, fuel economy, transients of changes in the fluidized bed temperature from time to time when various disturbing effects are applied.

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