Abstract

The low carbon renewable energy complementary cogeneration system has broad application prospects in the field of regional comprehensive energy utilization. The author proposes a trough solar assisted biomass cogeneration system that utilizes medium to low temperature trough solar energy to heat conduction oil and drive an absorption heat pump to preheat the water in the heating network, saving heating and steam extraction and increasing power output while maintaining a constant biomass fuel and heating volume. The EBSILON Professional software was used to model and simulate the case unit and integrated system, and based on this, thermodynamic characteristics such as system energy flow and energy loss were analyzed. The results show that under design conditions, a solar power generation capacity of 1.79 MWh can be generated, with a photoelectric efficiency of 20.07% and a photoelectric conversion efficiency of 21.61%. This can provide theoretical guidance for the research and practical application of solar energy and biomass energy in integrated cogeneration systems.

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