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Heat supply method of efficient energy storage type solar heat pump operating around clock

A solar heat pump and energy storage technology, applied in the field of solar energy utilization, to achieve the effects of prolonging energy utilization time, small power consumption, and compact system

Inactive Publication Date: 2014-08-06
NANJING NORMAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the defects of the existing energy storage solar heat pump heating system, the present invention provides an all-weather, efficient and energy-saving solar heat pump heating method, the purpose of which is to rationally and effectively use the energy storage medium to realize the collection and peak shifting of solar energy Fill the valley, and use the oscillating heat pipe for efficient heat transfer, thereby improving the heating efficiency of the heat pump system and optimizing the overall performance of the energy storage solar heat pump hot water system

Method used

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  • Heat supply method of efficient energy storage type solar heat pump operating around clock
  • Heat supply method of efficient energy storage type solar heat pump operating around clock
  • Heat supply method of efficient energy storage type solar heat pump operating around clock

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Embodiment Construction

[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0028] The invention provides a high-efficiency energy-storage solar heat pump heating method that operates around the clock, and its composition is as follows: figure 1 As shown, it is composed of heat pipe working fluid cycle, heat pump refrigerant cycle and circulating water circuit, including energy storage type solar oscillating heat pipe collector 1, three-stream composite heat exchanger 2, thermal expansion valve 3, compressor 4, water-cooled condensing Device 5, water pump A6, water pump B7, water storage tank 8 and stop valve 9.

[0029] The energy storage type solar oscillating heat pipe heat collector 1 comprises a solar vacuum heat collecting pipe 19, an oscillating heat pipe 10, a brush 21 and a phase change material 20, and the evaporation section of the oscillating heat pipe 10 is arranged on the solar vacuum heat collecting pip...

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Abstract

The invention discloses a heat supply method of an efficient energy storage type solar heat pump operating around the clock. The heat supply method is used for providing domestic hot water or providing the domestic hot water for a heat radiator for heat supply in winter. Solar energy stored instantly or previously is transmitted to a composite heat exchanger through oscillating heat pipes by phase change energetic materials in a solar heat collector. In the operating process in summer, circulating water in the composite heat exchanger is directly heated to supply hot water. In the operating process in winter, heat is transmitted to an evaporator in the composite heat exchanger to improve evaporation temperature, and the heat pump is started to heat the hot water in a circulating mode. In the operating process in the transition season, the circulating water in the composite heat exchanger is directly heated by one part of the heat, the other part of the heat is transmitted to the evaporator in the composite heat exchanger, and a heat pump system is started to heat the hot water to the needed temperature. According to the method, the solar energy is used for supplying the hot water, or the evaporation temperature of the heat pump system is improved by utilizing the solar energy to supply the hot water, and therefore the heating efficiency of the heat pump system is improved, and the overall performance of the energy storage type solar heat pump heat water system is optimized.

Description

technical field [0001] The invention relates to a hot water supply method, in particular to a heat pump heat supply method combining heat collection by a solar heat collection tube, phase change heat storage of an energy storage material, and high-efficiency heat transfer of an oscillating heat pipe, belonging to the field of solar energy utilization. Background technique [0002] With the development of society, people's requirements for improving the quality of life are getting higher and higher, and the demand for heating and hot water supply is becoming stronger and stronger. The proportion of energy consumption in this area to the total energy consumption of buildings is increasing year by year. Utilizing renewable energy and taking the road of sustainable development is one of the effective ways to reduce building energy consumption. The white paper "China's Energy Policy (2012)" proposed to vigorously develop new energy and renewable energy, and pointed out that "incr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/32F24J2/34F24J2/05F25B27/00F24S10/40F24S10/95
CPCY02A30/272Y02B10/20Y02E10/44
Inventor 吴薇苏鹏飞王琴张文杰殷谦陈圣炜董江江罗倩妮
Owner NANJING NORMAL UNIVERSITY
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