Energy-saving transformation of air conditioning system in a hotel based on energy efficiency target
Tan Haiyang1,2,3, Qu Guolun1,2,3, Huang Dongna1,2,3, Jiang Shaohua1,2,3,Luo Zhaoheng4, Wu Bo4, Li Guo5
In view of the energy-saving transformation of a hotel based on the energy trusteeship requirements, the operation of the hotel air conditioning system before the transformation is analysed. By setting up a temporary energy efficiency monitoring system, the energy efficiency ratio of the refrigeration room system before the transformation is obtained. Combined with the requirement of return on investment, the target energy efficiency value of energy-saving transformation of the refrigeration room system is proposed, and the optimization design for the refrigeration room system is carried out based on this energy efficiency target. Through the prediction and analysis on the annual hourly energy efficiency ratio of the refrigeration room system, the prediction results are used to guide the system to commission, operate and maintain. After transformation, the annual operational energy efficiency ratio of the refrigeration room system reaches 5.8, and the energy saving rate exceeds 50%, which meets the transformation requirements.