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Ground source heat pump is a use of underground shallow geothermal resources (also known as energy, including groundwater, soil or surface water, etc.) can be both heating and cooling of energy efficient air-conditioning system. Ground-source heat pump by entering a small amount of high-grade energy (such as electricity), to achieve the transfer of high-temperature heat for the bit position. In winter, respectively, as a heat pump heat source and the summer air-conditioning cold source, that is, in winter, the heat to "take out" to increase the temperature, the supply of indoor heating; Summer, the indoor heat removed, release To the ground can go. Heat pump research in our country has decades of history, as early as the early 1950s, Tianjin University, some scholars began the heat pump research. However, due to the particularity of China's energy prices and other factors, heat pump application is more difficult to promote. In 1960s, our country developed the first heat pump window air conditioner and water-cooled heat pump air conditioner. By the end of the 1980s, as a large-scale Shanghai air-conditioner factory of a national professional manufacturer, there were only about 10,000 units of small heat pump air conditioners, accounting for 1 / 2-1 / 3 of the national output at that time. Since the 1990s, a large number of new technologies and equipment have been introduced and the people's living standards have been improved. Small heat pump air conditioners have been rapidly developed. They are mainly used in major markets south of the Yangtze River and urban residential buildings. Prospect of ground source heat pump applications, energy saving, environmental protection has become effective booster energy saving, environmental protection has become the focus of humankind, the experts predict that in the future any product development will be the general direction of environmental protection and energy saving. At present, the application prospect of ground source heat pump technology is good, and besides its own advantages such as stability and economy, energy saving and environmental protection are its rapid development booster. Ground source heat pump technology will ease China's energy shortage. According to statistics, China's total energy utilization rate is about 30%, which is only equivalent to the level of the developed countries in the 1950s. China's building energy consumption accounts for about 25% of total energy consumption, of which heating and heating energy consumption accounts for about half. Energy shortages led China's energy prices closer and closer to the level of developed countries. To meet the continuous annual growth of 8% -9% of the national economy under the condition that the annual growth rate of available energy is only 3% -5%, we must attach importance to the development and utilization of energy-saving technologies and energy-saving products, This large energy consumption has improved. China Academy of Building Research Lang said the four-dimensional air-conditioning, ground source heat pump technology because the heat pump is only used to transfer heat, rather than generate heat, 70% of the required heat from the ground, the summer cooling, used to heat the building The electricity that is consumed underground is also very small, which can greatly ease the energy pressure in our country. At the same time, ground source heat pump technology is an environmentally friendly technology. Analysis and investigation show that the application of ground source heat pump will reduce the destruction of the ozone layer and play an active role in reducing the greenhouse effect. It can be seen that applying this technology to China will ease the problem of urban air pollution. At present, our government is planning to change the coal-dominated energy structure in order to achieve a sustainable development strategy. Cities such as Beijing are considering the issue of substituting electricity for coal to solve urban pollution. Ground-source heat pumps, which sketch heats of 3 to 4 kilowatts for every kilowatt of electricity, will be highly competitive technologies. Since electricity is the only power source of ground-source heat pumps, there is no air pollution caused by fuel-dispersed combustion. At the same time as manufacturers sealed preparations, the use of the process does not leak, do not add to reduce the damage to stinky layer, with great environmental performance. Air conditioning enterprises to become experts in geothermal air conditioning, SEAT, Fulda impressive performance At present, ground source heat pump technology is developing rapidly in China, the prospects of geothermal air-conditioning market, air-conditioning enterprises in the fight for the domestic geothermal air-conditioning experts. Among many competitors, SEAT and Fulda have made a remarkable performance. As a leader in air-conditioning and refrigeration in France, Seat has a unique position in the international market. Refrigeration / heating products for home, service and industrial and other areas. Constant technological innovation and long-term industrial experience, CIAT to be able to base in the home, industry, construction, trade and other fields. With the advanced technology of the French head office, SEAT is ahead of other companies in China and has made remarkable achievements in both groundwater and water source heat pump technologies. According to the company's sales department in Beijing, with the various advantages of ground source heat pump technology to gradually show that at present, especially in the past year, the market advantage of ground source heat pump is more obvious, sales of water source heat pump and ground source heat pump has been reduced to 9 : 1, and continue to pull into. At present, SEAT is embarking on the "UFIDA" software project with a building area of ​​200,000 square meters. Head of Beijing SEAT confident forecast - this year, ground source heat pump will be greatly improved, the market outlook should not be underestimated. Fulda - made geothermal air conditioning leader, made a number of ground-temperature central air-conditioning a number of pioneering, with its Shandong geothermal heat engineering and technology research and development of strong R & D strength and national policy support, the central air-conditioning low temperature experts crown Dungeon. Currently, Fulda liquid flooding seawater heat pump has been the industry and the relevant technical appraisal departments recognized the key technology is the successful solution to the strong corrosive sea water, sea water directly into the unit, both to reduce heat loss and large The magnitude of reducing the cost, sweeping away the obstacles to large-scale popularization and application, filling the domestic blank of the technology, but also for our country's environmental protection has made tremendous contributions. Faced with the Challenges, Technical and Policy Supports as the Key to Address Ground-Source Heat Pumps have great market potential. However, like any new-born things, their development faces various difficulties. We must face up to these difficulties and actively seek solutions . In general, the current ground source heat pump system is facing the concept of development, technology, policies, funding and post-installation and maintenance of pressure, which will certainly affect the pace of its development. The key is to solve the technical and policy support, technology maturity will enhance the applicability of ground-source heat pump system, making it the first choice for energy power; and national policy support can greatly reduce the obstacles in the actual construction process. I believe through the efforts of a period of time, ground source heat pump system will certainly get a great development in our country.