Development of a hybrid pyrolysis device and justification of energy efficiency

In the presented article, the authors propose a technological scheme of a hybrid pyrolysis device, improved with an additional combustion chamber and heat exchanger-condenser, which allows thermal processing of biomass based on combining the supply of high-temperature water vapor generated by concentrated solar radiation energy in a parabolic-cylindrical solar concentrator with the steam shell of a tubular pyrolysis reactor. The hybrid pyrolysis device is intended to provide the temperature required for the pyrolysis process by water vapor generated using a parabolic-cylindrical solar concentrator of the PT-5760 brand, which, as a result, prevents the release of carbon gases into the atmosphere compared to its analogs. The h-s diagram of the water vapor of the hybrid pyrolysis device is depicted. An empirical equation was obtained to determine the useful work coefficient of the hybrid pyrolysis device, which was found to be 22%, taking into account the parameters of the water vapor at the inlet and outlet of the pyrolysis reactor.

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