Abstract
Small Modular Lead-based Reactor (SMLR) has generated great interest in academic research all around the world due to its good safety characteristics and relatively high core outlet temperature. In this paper, a Combined Cooling Heating and Power (CCHP) system with usage of absorption heat pump, which couples with a SMLR, was proposed to fulfill the energy demands in remote areas. Thermodynamic analysis was implemented to improve the performance of the CCHP system based on SMLR. To meet the remote areas’ energy needs, the main parameters and mass flow rate of a 35 MWth SMLR design were analyzed. The SMLR CCHP with absorption heat pump system can provide electric power 12.5MWe, heating 9.5MWh, and cooling 2.54MWc. The total energy utilization efficiency of the system can be 69.12 %. This work can provide a reference in the design and optimization of the CCHP system to meet the energy demands in the remote areas.
Highlights
The Lead-based Fast Reactor is expected to firstly achieve the industrial demonstration and commercial application in all of the fourth-generation nuclear power systems
Compared to other nuclear power systems, the coolant in the Small Modular Lead-based Reactor (SMLR) is chemically inert, the system operates at atmospheric pressure
This paper designs Combined Cooling Heating and Power (CCHP) systems with absorption heat pump based on SMLR for remote areas
Summary
The Lead-based Fast Reactor is expected to firstly achieve the industrial demonstration and commercial application in all of the fourth-generation nuclear power systems. Compared to other nuclear power systems, the coolant in the Small Modular Lead-based Reactor (SMLR) is chemically inert, the system operates at atmospheric pressure. It has the characteristic of high security. As an energy-saving technology, absorption heat pump is widely used in low temperature waste heat utilization. This paper designs CCHP systems with absorption heat pump based on SMLR for remote areas. Thermodynamic calculations are performed to analyze the parameters for the second circuit and study the effect of drive steam, outlet temperature of the hot water on the efficiency of the absorption heat pump.
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