Inlet parameter optimization of double circuit cooling coil

In order to reduce the loss of heat and moisture compensation in the process of condensation and dehumidification of conventional constant temperature and humidity air conditioning system, the double circuit cooling coil can be used to adjust the inlet water parameters (flow rate and water temperature). Optimizes the inlet water parameters of the cooling coil, and studies the energy saving potential of the constant temperature and humidity air conditioning system with this device. Obtains the objective function of the system energy consumption by establishing an energy consumption model of the component, and obtains the hourly control parameters of the objective function by using the particle swarm optimization (PSO) algorithm. The results show that the optimal control can reduce the loss of heat and moisture compensation by adjusting the inlet parameters of the cooling coil, compared with the conventional control (constant flow rate at 1 kg/s, constant water temperature at 10 ℃), the energy saving effect is significant in high temperature and low humidity condition, with over 60% of the energy saving ratio.