Investment in the project The initial investment was 21,960 yuan.
Suitable for This system is suitable for medium and high-end residential real estate and villas in the price, economically developed while demanding environmental protection in large cities and coastal areas have a vast market.
Energy-saving benefits In 2004, a set of 122 m2 housing purchased by staff of Beijing Academy of Armored Force Engineering in Chang'an New City residential district chose one set of air-source heat pump floor heating equipment, Solan FRS-12D. The actual equipment investment was 21,960 yuan, System to increase investment 3660 yuan, air source heat pump floor heating system can be put into operation after the year 2460 kWh, according to the city electricity price 0.48 yuan / kWh calculation, can produce benefits 1180.8 yuan a year, 3.1 heating period can be reclaimed to increase investment. Annual reduction of 706.02 kg of carbon dioxide (in terms of carbon).
Investment recovery period The project investment recovery period is 3.1 heating period.
Case source Beijing Armed Forces Academy of Engineering staff housing monitoring unit Heilongjiang Province Energy Conservation Monitoring Center Case Study Overview The predecessor of the Armored Force Engineering Institute was established in 1953 the Military Academy of Armored Force Engineering Department. In 1961, based on the department, the Academy of Armored Force Engineering was set up in Xi'an. 1969 moved to Beijing. The college belongs to the General Armaments Department and is one of the key construction universities and colleges in the country under the key academic institutions and military academies of education throughout the country.
Chang'an New City is a large-scale life community in Beijing. It is located on the south bank of Chang'an Avenue. The east fitness and leisure plaza is adjacent to the West Fourth Ring Green Belt with a land area of ​​47.3 hectares and a total construction area of ​​about 1 million square meters. It is now the largest economic applicable area in western Beijing room. Armed forces Engineering College employees in the district purchase more than one set, a unified installation of air-source heat pump floor heating equipment. The case of one of the households as an example for analysis.
Air source heat pump floor heating system through the air source heat pump to extract heat from the air in winter with the floor near the floor heating tube heating radiant floor heating radiant heat to form a clean air source of heat, energy saving heating system.
Technical Principle Air source heat pump floor heating system consists of two parts:
1. Air source heat pump unit consists of outdoor unit and indoor unit composed of two parts, it is used as a heat source in winter to provide hot water to the floor heating. The design advantages are:
â‘ refrigeration system and water system were placed in the outdoors, indoor, to avoid the winter heating system freezing damage;
â‘¡ indoor system to send water as a hot and cold medium, safe and reliable, greatly reducing refrigerant leakage;
â‘¢ compressor in the outdoor, low noise.
2. Low-temperature radiant floor heating Radiant floor heating works on the principle of low-temperature hot water is heated through the laying of the floor layer of the pipeline and through the wall of the heat conduction around the concrete floor heating, low-temperature floor to radiation Way to heat transfer to the room, so as to achieve a comfortable heating effect. The radiation floor is generally composed of a heating pipe and a covering concrete layer. The grassroots floor is a reinforced concrete floor, a thermal insulation layer of high-efficient thermal insulation material is laid on the thermal insulation layer, an aluminum-plastic composite pipe is laid on the thermal insulation layer, For concrete floors and floors.
The main features of the technology is the use of air source heat pump technology can also run under low temperature environment, matching low temperature radiant floor heating technology, the system significantly improve the efficiency; the use of split structure and module design, with antifreeze, easy layout, low noise Advantages; the entire system implementation of intelligent control, sub-room control can be divided into periods of time as needed.
Monitoring situation A heating period in Beijing is calculated on the basis of 120 days. Through the data statistics and data analysis of two sets of houses with the same size and structure (122 m2 of building area) but different heating methods, the overall situation of the air source heat pump heating system Comprehensive evaluation of the project in energy saving, environmental protection, economy and other aspects of comparison, the results are as follows:
(1) The use of air source heat pump + floor radiant heating, electric heating film heating capacity of 2460 kWh;
(2) Through 8-day cumulative test, air-source heat pump + floor radiant heating is adopted. One heating period consumes 2055 kWh, and the electricity cost is calculated as 0.48 Yuan / kWh, with the cost of 986.4 Yuan. Comparison of the use of electric heating film heating, the same heating period consumption 4515 kWh, winter heating costs 2167.2 yuan. The former can save heating operation costs 1180.8 yuan a year;
(3) annual reduction of 706.02 kg of carbon dioxide (in terms of carbon);
(4) In addition to using environmentally friendly refrigerants, it is a clean and safe heating system because it takes heat from the air with electric energy and does not cause any air pollution in the living quarters.
Market potential and promotion prospects In economically developed areas, real estate development will be energy-saving, environmental protection, combined heating and cooling of the development of ecological housing. Air source heat pump heating system since its inception, after more than two years of practical application, completed the large-scale projects and the use of low-temperature environment test, the green, clean, energy-saving advantages have been reflected in the cold in northern cities in China will be newly built Residential heating system has a place.
At present, sample projects have been set up in such cities as Dalian, Anshan, Beijing, Tianjin, Jinan, Wuhan and Qingdao. Four of the six main venues of the Beijing 2008 Olympic Games are being used in Beijing, Tianjin, Qingdao and Qinhuangdao There is a very high market potential, Shenyang is located in Northeast relatively cold, yet to be further developed by the technology can be applied. Practice has proved that in cold areas as a new type of energy saving heating system, air source heat pump technology is feasible, with some promotion prospects.
Suitable for This system is suitable for medium and high-end residential real estate and villas in the price, economically developed while demanding environmental protection in large cities and coastal areas have a vast market.
Energy-saving benefits In 2004, a set of 122 m2 housing purchased by staff of Beijing Academy of Armored Force Engineering in Chang'an New City residential district chose one set of air-source heat pump floor heating equipment, Solan FRS-12D. The actual equipment investment was 21,960 yuan, System to increase investment 3660 yuan, air source heat pump floor heating system can be put into operation after the year 2460 kWh, according to the city electricity price 0.48 yuan / kWh calculation, can produce benefits 1180.8 yuan a year, 3.1 heating period can be reclaimed to increase investment. Annual reduction of 706.02 kg of carbon dioxide (in terms of carbon).
Investment recovery period The project investment recovery period is 3.1 heating period.
Case source Beijing Armed Forces Academy of Engineering staff housing monitoring unit Heilongjiang Province Energy Conservation Monitoring Center Case Study Overview The predecessor of the Armored Force Engineering Institute was established in 1953 the Military Academy of Armored Force Engineering Department. In 1961, based on the department, the Academy of Armored Force Engineering was set up in Xi'an. 1969 moved to Beijing. The college belongs to the General Armaments Department and is one of the key construction universities and colleges in the country under the key academic institutions and military academies of education throughout the country.
Chang'an New City is a large-scale life community in Beijing. It is located on the south bank of Chang'an Avenue. The east fitness and leisure plaza is adjacent to the West Fourth Ring Green Belt with a land area of ​​47.3 hectares and a total construction area of ​​about 1 million square meters. It is now the largest economic applicable area in western Beijing room. Armed forces Engineering College employees in the district purchase more than one set, a unified installation of air-source heat pump floor heating equipment. The case of one of the households as an example for analysis.
Air source heat pump floor heating system through the air source heat pump to extract heat from the air in winter with the floor near the floor heating tube heating radiant floor heating radiant heat to form a clean air source of heat, energy saving heating system.
Technical Principle Air source heat pump floor heating system consists of two parts:
1. Air source heat pump unit consists of outdoor unit and indoor unit composed of two parts, it is used as a heat source in winter to provide hot water to the floor heating. The design advantages are:
â‘ refrigeration system and water system were placed in the outdoors, indoor, to avoid the winter heating system freezing damage;
â‘¡ indoor system to send water as a hot and cold medium, safe and reliable, greatly reducing refrigerant leakage;
â‘¢ compressor in the outdoor, low noise.
2. Low-temperature radiant floor heating Radiant floor heating works on the principle of low-temperature hot water is heated through the laying of the floor layer of the pipeline and through the wall of the heat conduction around the concrete floor heating, low-temperature floor to radiation Way to heat transfer to the room, so as to achieve a comfortable heating effect. The radiation floor is generally composed of a heating pipe and a covering concrete layer. The grassroots floor is a reinforced concrete floor, a thermal insulation layer of high-efficient thermal insulation material is laid on the thermal insulation layer, an aluminum-plastic composite pipe is laid on the thermal insulation layer, For concrete floors and floors.
The main features of the technology is the use of air source heat pump technology can also run under low temperature environment, matching low temperature radiant floor heating technology, the system significantly improve the efficiency; the use of split structure and module design, with antifreeze, easy layout, low noise Advantages; the entire system implementation of intelligent control, sub-room control can be divided into periods of time as needed.
Monitoring situation A heating period in Beijing is calculated on the basis of 120 days. Through the data statistics and data analysis of two sets of houses with the same size and structure (122 m2 of building area) but different heating methods, the overall situation of the air source heat pump heating system Comprehensive evaluation of the project in energy saving, environmental protection, economy and other aspects of comparison, the results are as follows:
(1) The use of air source heat pump + floor radiant heating, electric heating film heating capacity of 2460 kWh;
(2) Through 8-day cumulative test, air-source heat pump + floor radiant heating is adopted. One heating period consumes 2055 kWh, and the electricity cost is calculated as 0.48 Yuan / kWh, with the cost of 986.4 Yuan. Comparison of the use of electric heating film heating, the same heating period consumption 4515 kWh, winter heating costs 2167.2 yuan. The former can save heating operation costs 1180.8 yuan a year;
(3) annual reduction of 706.02 kg of carbon dioxide (in terms of carbon);
(4) In addition to using environmentally friendly refrigerants, it is a clean and safe heating system because it takes heat from the air with electric energy and does not cause any air pollution in the living quarters.
Market potential and promotion prospects In economically developed areas, real estate development will be energy-saving, environmental protection, combined heating and cooling of the development of ecological housing. Air source heat pump heating system since its inception, after more than two years of practical application, completed the large-scale projects and the use of low-temperature environment test, the green, clean, energy-saving advantages have been reflected in the cold in northern cities in China will be newly built Residential heating system has a place.
At present, sample projects have been set up in such cities as Dalian, Anshan, Beijing, Tianjin, Jinan, Wuhan and Qingdao. Four of the six main venues of the Beijing 2008 Olympic Games are being used in Beijing, Tianjin, Qingdao and Qinhuangdao There is a very high market potential, Shenyang is located in Northeast relatively cold, yet to be further developed by the technology can be applied. Practice has proved that in cold areas as a new type of energy saving heating system, air source heat pump technology is feasible, with some promotion prospects.
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