Host: The Japan Society of Mechanical Engineers
Name : International Conference on Power Engineering-2021(ICOPE-2021)
Date : October 17, 2021 - October 21, 2021
In order to reduce environmental pollution, improve energy structure and realize rational development and utilization of energy, the distributed system including Brayton cycle, HRSG and lithium bromide absorption refrigeration is determined in this paper according to the energy consumption of gas, cold, heat and electricity in large integrated community. Then, the equipment selection and system optimization are carried out. Ebsilon, a power station simulation software, is used to build the system, and the transformation process of LNG cold energy utilization, waste heat boiler backpressure heating and natural gas secondary preheating are carried out. The results show that when the inlet temperature of natural gas is raised from -30℃ to 60℃, the power capacity of the whole unit increases by 0.362MW.When the air temperature decreases from 20℃ to 0℃, the overall power generation power of the CHD system increases by 1.2MW, the heating capacity per unit flue gas increases by 2.05kJ/kg, and the work capacity per unit flue gas increases by 30.01 kJ/kg, which improves the overall efficiency of the system.
