In June 2019, the National Development and Reform Commission and multiple departments jointly issued the "Green and High-efficiency Refrigeration Action Plan". By 2030, the cooling energy consumption of large public buildings has increased by 30% in this action. Among the various types of public buildings, hospital energy consumption is relatively high. Since the outbreak of the Covid-19 pandemic, the hospital cooling system has received a series of global concerns.
The latest research report shows that the cooling system of the health sector emits about 365 million tons of carbon dioxide equivalent greenhouse gases, which is equivalent to the emissions of 110 coal power plants in a year. If effective measures are not taken in time to improve energy efficiency or replace HFCs refrigerants and other measures that contribute to sustainable development, the carbon emissions of the cooling system of the health sector may double by 2040.
On August 19, the Rock Environment and Energy Institute (REEI), the Green Hospital Committee of China Association of Building Energy Efficiency, and the "HVAC" magazine jointly held the seminar on "Construction and Operation of Efficient Refrigeration Systems in Green Hospitals". It was an honor to have many guests from the Children's Hospital of Chongqing Medical University, the Snowball Energy, China Academy of Building Research (CABR), Chongqing Midea General Refrigeration on Equipment Co., Ltd to participate in the seminar. During the seminar, Green Hospital Energy Management, Refrigeration Station Operation & Maintenance, Efficient Machine Room Construction, and Air Conditioning System Solutions have been regarded as key topics in the ongoing discussion. The success of this seminar also depends on the guidance of the Chongqing Health Committee and the strong support of the Organizing Committee of China Refrigeration Expo, the Midea, and the Snowball Energy.
As one of the key organizers of the seminar, Lin Jiaqiao (the co-director of Rock Environment and Energy Institute), shared the research results of the current situation of refrigerant use in China with the theme of "The role and potential of health institutions in addressing climate change from the perspective of refrigerant substitution".
● The development of refrigerants;
● Current status of HFCs in refrigerating equipment used in domestic health institutions;
● Comparative analysis of domestic and foreign HFCs reduction plan;
● Cost reduction and benefit analysis of HFCs in health institutions.
In the context of hospital efficiency index, within the design and operation of the air conditioning room primary concept, Xing Su, associate professor at Tongji University who cooperated with REEI in Fudan University, Huashan hospital energy audit project, delivered the evaluation on the operating energy-efficiency of the hospital air conditioning system and put forward suggestions and renovation on the energy-saving operation.
● The composition and determination methods of the energy-efficiency evaluation index;
● The refined design of high-efficiency air conditioning station;
● Thinking about the operation strategy of efficient machine station;
● Thinking and prospect.
By the end of the meeting, participants visited the China Refrigeration Exhibition and the Midea general central air conditioning plant. The exhibition shows the latest energy-saving and emission-reduction technologies of various air conditioners, providing more insights for energy-saving renovation to medical systems. In the context of the current international tension, the Midea, as a leading company in the domestic cooling system industry in the application of energy-saving technology and how to develop towards a greener cooling system in the future is also worth looking forward to.
Translated by Lu Ye