In recent days, the continuous high temperature has made many people unacceptable, and even many areas have broken temperature records of hundreds of years or decades. Air conditioning has become an indispensable “life-sustaining” equipment for everyone. However, Jinan, Shandong uses another method to allow everyone to quickly cool down without turning on the air conditioner, and achieve the most comfortable constant temperature effect of 26°C. According to Shandong local @Lightning News, Jinan has started the central cooling mode in the commercial CBD area since its trial operation last year, and has now covered nearly 210,000 square meters of users. The whole project adopts the same set of municipal pipe network, which is used for heating in winter and cooling in summer, and the north and south energy centers serve as backup cold sources for each other, and the cooling station and heat exchange station are in the same location. Through cold exchange, the cold source is delivered to the terminal device of each public building user. According to Cui Yue, chairman of Shandong Ruiguan, an energy investment group affiliated to Jinan Energy Group, water is used as a medium for both cooling and heating. He said: “The temperature of the water we send to the heat exchange station is about 90 degrees Celsius in winter, and it can be adjusted down or up according to the specific temperature. In summer, the chilled water of about 7 degrees Celsius is sent to the cold exchange station, and is replaced by the principle of cold exchange. 7-9 degrees Celsius .
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