Beijing Olympic Games, known for its green environmental protection, has one of the most advanced green hi-tech building materials in its stadium construction. Water source heat pump air conditioning is one of them. A lot of people who have been to the Water Cube are surprised, the venue fresh air, 24 hours constant temperature and humidity, but do not see the traditional air-conditioned trails. This comfortable effect is precisely from the use of water source heat pump air conditioning. Not only that, this technology is also super energy saving, electricity consumption is only 40% of ordinary air conditioning. Many cities such as Beijing, Tianjin, Shenyang and Nanjing have started to promote the use of water source heat pump technology in residential quarters, hotels and hospitals. In Suqian, Sihong Fenjin Ting Hospital has used this technology. This high-tech environmental protection technology is about to be used in residential quarters in Suqian. Investment and development by Jiangsu Jingke (Group) Company Suqian Lean Real Estate Development Co., Ltd. will be the first water source heat pump technology in the city to be adopted by Pengrun Garden · Green Shijia Upscale Residential District (located in the north of Huancheng Road, Jing Branch) Every household in the district will implement summer cooling, heating in winter and hot water supply in 24 hours so that tenants can enjoy the treatment of star-rated hotels at home without leaving home. Water source heat pump technology has been popular in developed countries in Europe and America for several years. Through continuous improvement and perfection, its performance is very good. In recent years, the northern cities of our country have also started to introduce and popularize them. Now they have spread to the cities south of the Yangtze River. The working principle of this technology is: in winter, the heat in the ground to "take" out to increase the temperature, the supply of indoor heating; Summer, the indoor heat removed, released to the ground energy to go. The energy flow of the heat pump unit uses the energy (such as electric energy) consumed by the heat pump unit to discharge all the heat absorbed (ie, electric energy + absorbed heat energy) to the high-temperature heat source. The role of its energy consumption is to make the refrigerant Freon compressed to high temperature and pressure conditions, so as to achieve the absorption of heat energy in low-temperature heat source role. The approximate approach is 5-15 meters away from the buildings that need to be heated or cooled. The filling intervals are 30 to 40 meters. One of them is a lifting well and one or more of them are recharge wells. First, The groundwater at 16 ℃ is put forward from the lifting wells and sent to the heat pump unit. After the heat is extracted by the step-down evaporation of the refrigerant, the groundwater temperature is reduced to 2~5 ° C after being extracted and returned to the ground via the recharge well (pressurized) Because of the water level difference between the water supply wells and the backwater wells, the water seepage from the water return wells to the suction well side absorbs the geothermal water during the seepage process, so that the water temperature is restored to 10-16 ° C. The water absorbing the geothermal water is once again heated and cooled down, This underground heat continues to be extracted, thus ensuring the heat pump heat supply. Heat pump refrigerant will absorb the heat released to the indoor heat transfer to the circulating water, so that the heating water temperature rising to the required temperature (50 ℃ above), so as to ensure the supply of heat in the room, to achieve the purpose of winter heating. In summer, the heat pump uses water as the heating medium to send back the excess heat inside the room (store the heat, which has been prepared in winter) to reduce the indoor temperature and ensure the coolness of the living space. Water source heat pump system is through the groundwater circulation, refrigeration system circulation and indoor circulation water cycle --- three separate cycle system completed. Heat pump unit is a three-function integration, that is, winter heating, summer cooling, perennial supply of hot water. Water source heat pump consumes 1kW of energy, users can get more than 4kW of heat or cold, cooling, heating coefficient of up to 4.0-4.4, 40% higher than the average air conditioner. In other words, if a household with ordinary air-conditioning cooling power consumption of 200 yuan a month, and the use of heat pump technology requires only 120 yuan electricity; if the heat with a heating plant in winter to pay 500 yuan a month for heating costs, and the use of heat pump Technology only needs about 125 yuan. And all residents in the district no longer need to install air conditioning, the year can keep the indoor temperature between 20-26 ℃. As the system has a fresh air device and access, indoor air humidity can be maintained at 30% -70%, so that the indoor air fresh, to meet the respiratory comfort needs, to maintain the natural moisture of the skin. The system uses the remaining energy of the pump group to provide users with 24-hour hot water supply, the cost is slightly higher than the cost of ordinary tap water. In addition, Lean companies will be given to each household with solar water heaters, the two used in conjunction to maximize the use of hot water throughout the year the cost of households greatly reduced. Let the district residents enjoy the benefits of green high-tech, live in tomorrow's life. The use of water (ground source) heat pump technology does not require every household to install ordinary air-conditioning, reduce noise and reduce greenhouse gas emissions so that the building facade neat and beautiful. Winter does not require boiler heating, reducing boiler coal pollution of the air, reducing the cost of household use. As the technology is introduced from Europe and the United States, the host part is imported from abroad, one-time investment costs are too high, temporarily unsuitable for general promotion in residential areas. Taking into account the life of the system, the host supporting two sets of one-time configuration of the system, that is a set of use and another set of backup, host, pipeline and ancillary facilities are configured without major overhaul with 20 years. In order to facilitate the property management, are used smart card management model, that is, after the first to buy a card to use. We have to create Suqian business card "ecological Suqian, investment paradise", we must continue to introduce new energy and new technologies so that Suqian sky bluer, water is more green, the air is more fresh. Let the majority of Suqian people and foreign investors live in Suqian more healthy and more enjoyable. It is reported that the upcoming construction of Hubin Sino-German resort project will also use water source heat pump technology, I believe the near future, this new energy-saving and environmental protection technology will be more fully used in Suqian.
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