What is it about?
The article describes the technological scheme and the principle of operation of a pyrolysis bioenergy plant (PBEP) with a recuperative heat exchanger, which simultaneously provides hot water, gaseous and liquid biofuels to the consumer. The results of mathematical modeling of heat exchange processes in the condenser of a pyrolysis plant are presented in order to identify optimal thermal parameters for cooling the biomass pyrolysis steam. A mathematical model of the heat balance of a “mixing-displacement” type condenser (along the length of the coil) of a pyrolysis plant has been developed for calculating, selecting and thermotechnical analysis of the working cycle of the condenser, which allows to obtain the values of optimal parameters of the temperature regime. The simulation results show that the considered variants of pipes with diameters of 15 mm and 20 mm fully meet the technological requirements of condenser cooling.
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Why is it important?
The article describes the technological scheme and the principle of operation of a pyrolysis bioenergy plant (PBEP) with a recuperative heat exchanger, which simultaneously provides hot water, gaseous and liquid biofuels to the consumer. The results of mathematical modeling of heat exchange processes in the condenser of a pyrolysis plant are presented in order to identify optimal thermal parameters for cooling the biomass pyrolysis steam. A mathematical model of the heat balance of a “mixing-displacement” type condenser (along the length of the coil) of a pyrolysis plant has been developed for calculating, selecting and thermotechnical analysis of the working cycle of the condenser, which allows to obtain the values of optimal parameters of the temperature regime. The simulation results show that the considered variants of pipes with diameters of 15 mm and 20 mm fully meet the technological requirements of condenser cooling.
Perspectives
The results of theoretical studies based on the method of mathematical modeling of heat exchange processes in a condenser in the cooling mode with different diameters of cooling pipes (Ø10, Ø15 and Ø20 mm) show that the cooling pipes of a condenser with a diameter d = 15 mm more efficiently provides the thermal mode of the installation. The water temperature at the outlet of the condenser with a pipe diameter d = 15 mm ranges from 25 to 82 0 S and depends on the cooling water flow rate (Fig. 4).
Sayyora Mamatkulova
Karshi Engineering Economic Institute
Read the Original
This page is a summary of: Thermal mode of the condenser of a pyrolysis bioenergy plant with recuperation of secondary thermal energy, E3S Web of Conferences, January 2023, EDP Sciences,
DOI: 10.1051/e3sconf/202341101021.
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