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Water source heat pump technology and the principle of introducing the concept of features - heat p by big tree
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Water source heat pump technology and the principle of introducing the concept of features - heat p by BIG TREE
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| Article Posted: 06/18/2010 |
| Article Views: 17 |
| Articles Written: 1033 - MORE ARTICLES FROM THIS AUTHOR |
| Word Count: 859 |
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Water source heat pump technology and the principle of introducing the concept of features - heat p |
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Business,Business News,Business Opportunities
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Channel Recommended: 2008 HVAC industry stock inventory
Abstract: This paper introduces the concept of water source heat pump technology and principle, and with the boiler and Air Source Heat Pump Are compared in the energy point of view, draw water source heat pump technology is the use of renewable energy, a technology. Subsequently, water source heat pump described in detail the characteristics and introduced domestic and foreign sources on the land application of the basic conditions of China's current prospects for development and application of water source heat pump, and finally, a special presentation on Tongfang water source heat pump technology characteristics and promote China's water source heat pump applications problems.
A water source heat pump technology, the concept and principle
Water source heat pump technology is the use of the earth's surface water sources such as shallow groundwater, rivers and lakes in the absorption of solar energy and geothermal energy and the formation of low temperature heat resources, and using heat pump principle, by a small amount of high energy input, to achieve low thermal high heat transfer of a technology.
Shallow water, such as the Earth's surface at 1000 meters depth of groundwater, surface of rivers and lakes and oceans absorb the sun's radiation into the Earth's very energy and water temperatures are generally very stable. Water source heat pump works is the building in the summer heat transferred to the water, because water temperature is low, so you can effectively take away the heat in winter, the energy extracted from water by the heat pump principle, as set out by air or water refrigerant sent to the building of elevated temperatures. Typically consume 1kW of energy source heat pump, the user can get more than 4kW of heat or cold.
Water source heat pump water use patterns based on different systems can be divided into closed and open system of two. Closed system refers to the water side as a closed loop heat pipe, the group generally horizontal or vertical pipe buried underground or in the lake water, soil or water through heat exchangers to achieve energy transfer. (Buried in the soil which is also called ground source heat pump system, buried in the sea water in the system, also known as water source heat pump). Open loop system is pumped from underground or surface after pumping through Heat exchanger Direct discharge systems.
And boiler (electricity, fuel) and air source heat pump Heating Systems, the water source heat pump with a clear advantage. Heating boiler can only be 90% ~ 98% of electricity or 70 ~ 90% of fuel energy converted to heat, for users, so Ground Source Heat Pump Electric boiler heating than two-thirds of the energy savings, boiler fuel savings of more than one-half or more of energy; as the heat source heat pump water more stable temperature throughout the year, usually 10 ~ 25 , the refrigeration, heating coefficient 3.5 ~ 4.4, with the traditional air-source heat pump, compared to about 40% higher than its operating costs for the general Central air conditioning 50 ~ 60%. Therefore, the last decade, especially in the last five years, the water source heat pump system in North America such as the United States, Canada, Central and Northern Europe such as Switzerland, Sweden and other countries have achieved rapid development, China's water source heat pump market is becoming more active, you can expected that the technology will become the 21st century, the most effective heating and cooling air conditioning technology.
In China the concept of the traditional air-conditioning system, because of the country's economic developments and policies, in a long time in the north generally Coal-fired boiler In winter heating problems, water-cooled unit in the South to solve the problem in summer cooling. After 80 years in the twentieth century, began to diversify the way chiller, this time, there lithium bromide units, air-cooled unit, unit capacity units from the original transition to large and small and medium-sized units, in 20 century, after the nineties, for heating the beginning of new ways to try and explore, especially with the sustainable development and public awareness of environmental protection, the world and China's energy use is changing the structure of all, from the original coal, oil, heating the transition to clean energy such as natural gas and electricity. The most serious air pollution in Beijing as one of the cities, its air pollution policies on the energy structure adjustment, mainly from coal to natural gas and electricity alternative energy sources. However, although alternative energy can be a partial solution to the problem of air pollution, but natural gas and oil belong to non-renewable energy, from the perspective of sustainable development, we must improve energy efficiency, or looking for renewable energy, and water source heat pump unit is ideal of a device. I am a professional editor from China Product, and my work is to promote a free online trade platform. http://www.himfr.com/ contain a great deal of information about electric shears , electric tile cutter welcome to visit!
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