Heat pump air conditioning system HVAC technology trends

　　September 22, 2009, Chinese President Hu Jintao at the UN climate change summit opening ceremony, entitled "Climate change challenge together," an important speech, solemnly promised that China will further integrate climate change into economic and social development planning, and continue take strong measures: First, strengthen energy conservation, energy efficiency work; second, to develop renewable energy and nuclear energy; Third, greatly increased forest carbon sinks; Fourth, to develop a green economy, and actively develop a low carbon economy and the recycling economy, research and development and to promote climate-friendly technologies. Representative capillary heat pump HVAC system is the environmental technology development trend of energy saving, climate-friendly renewable energy technologies. 
　　What is capillary heat pump air conditioning system? 
　　PPR capillary network is an ideal high-heat exchanger, which is determined by its structural features and material characteristics of the decision. Capillary heat pump air conditioning system is the use of capillary as a front-end collection of energy or release energy collector end of casual cool radiator. Heat pump water source heat pump can be used as needed host, you can also use air source heat pump host. Capillary radiation heating in winter conditions, water temperature is 30 ℃ -35 ℃ only reach room temperature 20 ℃ ± 2 ℃; summer cooling capillary radiation conditions, supplemented with fresh air dehumidification system replacement, water temperature of just 18 ℃ that can reach room temperature 26 ℃ ± 2 ℃. In order to distinguish it from traditional condition of the air conditioning system, specially named capillary heat pump air conditioning system. 
　　The system consists of three separate systems: 
　　1, low-grade energy collection system: capillary network as a source of energy collector can be placed in the sea, rivers, lakes, industrial wastewater, domestic sewage in the effective extraction of energy, the traditional open system into a closed water circulation system, without regard to water quality impact. Energy collector soil capillary network embedded in the surface soils of the acquisition of energy, to solve the traditional technique by playing deep geological conditions and efficiency of low-impact problem. Thus, from the initial investment and operation will be significant savings on administrative costs. 
　　2, pump energy conversion system, the host: the host from the cold water source heat pump to extract energy radiation to the interior end of the capillary system cooling heating, energy efficiency when the summer run up to 1:10, when the winter heating run up to 1: 8, far higher than conventional air conditioning system. Where no water, and air-source heat pump can be used directly to extract energy from the air. Just as the winter water temperature 28 ℃, therefore air-source heat pumps air conditioning will greatly increase operational efficiency. 
　　3, indoor capillary energy release system: If only for heating, thin capillary network also can be a radiator, space, does not account for story, you can on the ground, wall and ceiling installation according to local conditions, thermal response time of 10 -30 minutes, very comfortable. Compared with floor heating, saving 50mm beans stone storage layer, reduce the building load, and the comprehensive cost of traditionally very warm. Capillary network with a small temperature difference can be dual-use radiant cooling, humidity, dew point, but in order to avoid high radiation cooling produces condensation, we must complete dehumidification system. Conventional capillary network of the new air temperature radiation + replacement program, low-power high comfort to the highest health and environmental protection requirements, known as the capillary network of ecological air conditioning system, cost and traditional central air conditioning + floor heating, but the new space and energy savings, achieved comfort is unmatched by conventional air conditioning technology. 
　　Advantages compared 
　　Capillary and conventional cooling and heat pump air conditioning system, heating system has the following advantages compared to: 
　　Advantage 1: Environmental pollution eliminating the boiler system, there is no combustion process, to avoid the smoke pollution and the environment more clean and beautiful, is really low carbon emissions, climate-friendly renewable energy technologies. 
Advantage 2: High energy, whether winter or summer, every 1KW input power can be obtained about the heat or cold 8KW energy, energy efficiency is much higher than other types of heating or cooling air conditioning system. 
　　Advantage 3: wide range of applications in addition to the energy extracted from the soil or groundwater, but also from industrial wastewater, sewage, water, lake water, sea water to extract energy, widely used in civil heating, air conditioning, industrial refrigeration companies, refrigeration, cooling , heating and other fields, thus saving a lot of heating, heating, cooling and energy. 
　　Advantage 4: stable security capillary heat pump system from the temperature relatively constant temperature water to extract energy, equivalent to the economic speed of vehicles traveling the highway, smooth, safe, and low failure rate. 
　　Advantage 5: operating cost savings is the biggest characteristic of this system, energy conservation, use of renewable energy. Whether winter or summer cooling and heating operating cost of traditional methods only 1/2-1/3. 
　　Advantage 6: Without any space thin capillary network in the ground, wall and ceiling installation according to local conditions, less space, does not account for story, thus, saving the building interior space. 
　　Advantage 7: create high-quality indoor environment of the capillary system without air supply device, so the room is not hair feel, no noise; uniform layout of the capillary system, reducing the interior space of the temperature gradient, the temperature of the room uniform, the body feel more comfortable. 
　　Capillary network applications: from Germany to China 
　　Capillary network of more than 20 years has been applied in Europe, Berlin TreptowerAllainz insurance companies, the Vienna Twin Tower, Berlin, Germany stolpchensee villa Brussels, Belgium, UCB Pharmaceuticals, Leverkusen, Germany, soccer stadium, Germany HANNOVER2000 Exhibition Pavilion, Berlin Zoo Penguin Museum and other projects using capillary network. 
　　Capillary network into China in 2005 has been also applied on many projects. Energy Demonstration House of Tsinghua University, Tsinghua University, Environmental Building, Beijing Science and Technology Commission office, Beijing Parkview Fangcaodi, Nanjing Feng Shang, Nanjing Landsea model for all projects, the Shenzhen headquarters office building real estate investment, Tianjin water-rich side, green energy building Shandong Rizhao Port Authority training center, Huaneng Power Station base in Tibet, of manganese Grand Hotel in Chongqing Water Source Heat Pump System Reconstruction Project Phase 2, etc. are applied capillary network. Capillary network not just for the air conditioning system at the end, it began to be used front-end, application forms flexible, capillary network design and installation of technology has matured. 2010, the new national "civil heating, ventilation and air conditioning design" will be enacted, designed for use with capillary network is an addendum to the main content. Construction on the capillary network of technical regulations and acceptance of Tongji University, led by the national standards are being developed, the National Eleventh Five-Year Plan contains a number of scientific and technological support issues related with capillary network. 
　　Previously, the application of capillary network has been advertised German technology, science and technology, and high-end real estate advertised projects advertised, capillary network of German companies manufacture technology monopoly for decades. Beijing Environmental Technology Co., Ltd. Price Fu and Beijing University of Chemical Linkage with the path to the capillary network localization, greatly reduced the use of cost, for this advanced technology widely used in China provided the conditions. Currently, localization of the capillary networks based the testing authority of the State Department, through the Ministry of Housing and Urban evaluation and promotion of scientific and technological achievements and is part of the urban construction management to include local priorities recommended energy-saving products catalog, the government investment used to guide the project.