CN103216900A - Solar phase-change heat-storage heat source tower heat pump system - Google Patents
Solar phase-change heat-storage heat source tower heat pump system Download PDFInfo
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- CN103216900A CN103216900A CN2013101744940A CN201310174494A CN103216900A CN 103216900 A CN103216900 A CN 103216900A CN 2013101744940 A CN2013101744940 A CN 2013101744940A CN 201310174494 A CN201310174494 A CN 201310174494A CN 103216900 A CN103216900 A CN 103216900A
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- 238000005338 heat storage Methods 0.000 title claims abstract description 24
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000002528 anti-freeze Effects 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000011232 storage material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
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- Steam Or Hot-Water Central Heating Systems (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
本发明公开了太阳能相变蓄热热源塔热泵系统（原理图见附图）。该系统主要包括改进型闭式热源塔1、溶液膨胀罐2、相变蓄热箱3、定压设备4、乙二醇循环泵5、太阳能热集板6、负荷泵7、热源塔水泵8、热源塔热泵机组9、空调末端10，它们之间用水管联通，安装阀门调节；相变蓄热箱与热源塔串联。系统开启时，太阳能集热器吸收太阳能，将热量储存在相变蓄热箱中；防冻溶液先进入热源塔，与空气进行间接热交换（必要时启动喷淋防霜系统），然后进入太阳能相变蓄热箱继续进行热交换，温度进一步提高，最后进入热泵机组制热。该系统可以解决型闭式热源塔热泵系统冬季机组COP值低的问题，降低机组运行能耗和运行费用，节能环保。
The invention discloses a solar energy phase change heat storage heat source tower heat pump system (see the attached drawing for the schematic diagram). The system mainly includes improved closed heat source tower 1, solution expansion tank 2, phase change heat storage tank 3, constant pressure equipment 4, ethylene glycol circulation pump 5, solar thermal collector plate 6, load pump 7, heat source tower water pump 8 1. The heat source tower heat pump unit 9 and the air conditioner terminal 10 are connected with water pipes and installed with valves for adjustment; the phase change heat storage tank is connected in series with the heat source tower. When the system is turned on, the solar collector absorbs solar energy and stores the heat in the phase change heat storage tank; the antifreeze solution first enters the heat source tower, conducts indirect heat exchange with the air (start the spray anti-frost system if necessary), and then enters the solar phase The variable heat storage tank continues to exchange heat, the temperature is further increased, and finally enters the heat pump unit for heating. The system can solve the problem of low COP value of the unit in winter in the closed heat source tower heat pump system, reduce the energy consumption and operating cost of the unit, and save energy and protect the environment.
Description
技术领域 technical field
本发明涉及太阳能相变蓄热辅助热源塔热泵系统冬季采暖技术。 The invention relates to a winter heating technology for a solar energy phase change heat storage auxiliary heat source tower heat pump system.
背景技术 Background technique
节约能源与资源综合利用是我国经济和社会发展的一项长远战略方针。对于空调系统来讲，寻求廉价的可再生冷热源是节能降耗的关键措施。热源塔是一种新型的热质交换设备，利用廉价的空气能，在热泵系统中一塔两用，夏季提供冷源，冬季提供热源，主要有三种典型结构（开式、普通型闭式及改进型闭式）。开式结构换热效率高，构造简单、造价低，但工质(夏季冷却水、冬季防冻溶液）飘失较大，且防冻溶液容易吸收空气中的水分逐渐稀释，使得冰点温度不稳定；普通型闭式结构采用低温宽带换热盘管，可有效抑制冬季结霜问题，减少工质的漂失，但换热效率低，热泵机组冬季的COP值也较低；改进型闭式结构夏季换热效率高，并且可有效抑制冬季结霜问题，但是仍然存在冬季换热效率低以及热泵机组的COP值低的问题。 Energy conservation and comprehensive utilization of resources is a long-term strategic policy for my country's economic and social development. For air-conditioning systems, seeking cheap renewable heat and cold sources is a key measure to save energy and reduce consumption. The heat source tower is a new type of heat and mass exchange equipment. It uses cheap air energy. In the heat pump system, one tower is used for two purposes. It provides cold source in summer and heat source in winter. There are three typical structures (open type, ordinary closed type and Improved closed). The open structure has high heat exchange efficiency, simple structure, and low cost, but the working medium (cooling water in summer and antifreeze solution in winter) drifts a lot, and the antifreeze solution easily absorbs moisture in the air and gradually dilutes, making the freezing point temperature unstable; Ordinary The closed structure adopts low-temperature broadband heat exchange coils, which can effectively suppress the problem of frosting in winter and reduce the drift of working fluid, but the heat exchange efficiency is low, and the COP value of the heat pump unit in winter is also low; the improved closed structure replaces heat pumps in summer The thermal efficiency is high, and the problem of frosting in winter can be effectively suppressed, but there are still problems of low heat exchange efficiency in winter and low COP value of the heat pump unit.
太阳能相变蓄热热源塔热泵系统太阳能相变蓄热热源塔热泵系统综合利用太阳能和空气能这两种廉价的可再生能源，主要旨在解决改进型闭式热源塔热泵系统冬季机组COP值低的问题。本系统的特点在于冬季利用相变蓄热箱储存的太阳能进一步加热从热源塔中流出的防冻溶液，从而提高热泵机组的蒸发温度，进而增加热泵机组冬季运行的COP值，降低机组冬季的运行能耗和运行费用。 Solar phase change thermal storage heat source tower heat pump system The solar phase change thermal storage heat source tower heat pump system comprehensively utilizes two cheap renewable energy sources, solar energy and air energy, and is mainly aimed at solving the problem of low COP value of units in winter in the improved closed heat source tower heat pump system The problem. The feature of this system is that in winter, the solar energy stored in the phase change heat storage tank is used to further heat the antifreeze solution flowing out of the heat source tower, thereby increasing the evaporation temperature of the heat pump unit, thereby increasing the COP value of the heat pump unit in winter operation, and reducing the operating energy of the unit in winter. consumption and operating costs.
发明内容 Contents of the invention
针对现有热源塔热泵系统技术存在的上述不足，本发明的目的在于冬季利用相变蓄热箱储存的太阳能进一步加热从改进型闭式热源塔流出的防冻溶液，从而提高热泵机组的蒸发温度，进而增加热泵机组冬季运行的COP值，降低运行能耗和运行费用。该技术适合于我国南方地区使用，替代空气源热泵，从而有效解决南方地区冬季使用空气源热泵结霜的问题。 In view of the above-mentioned deficiencies in the existing heat source tower heat pump system technology, the purpose of the present invention is to use the solar energy stored in the phase change heat storage tank to further heat the antifreeze solution flowing out of the improved closed heat source tower in winter, thereby increasing the evaporation temperature of the heat pump unit. In turn, the COP value of the heat pump unit in winter operation is increased, and the energy consumption and operating cost of the operation are reduced. This technology is suitable for use in southern my country and can replace air source heat pumps, thereby effectively solving the problem of frosting in southern regions in winter using air source heat pumps.
为此，本发明采取了如下技术方案：本系统主要由改进型闭式热源塔1、溶液膨胀罐2、相变蓄热箱3、定压设备4、乙二醇循环泵5、太阳能热集板6、负荷泵7、热源塔水泵8、热源塔热泵机组9、空调末端10组成。 For this reason, the present invention adopts the following technical scheme: the system is mainly composed of an improved closed heat source tower 1, a solution expansion tank 2, a phase change heat storage tank 3, a constant pressure device 4, an ethylene glycol circulation pump 5, a solar heat collector Board 6, load pump 7, heat source tower water pump 8, heat source tower heat pump unit 9, and air conditioner terminal 10.
附图说明 Description of drawings
附图1 太阳能相变蓄热热源塔热泵系统原理图。 Attached Figure 1 Schematic diagram of solar phase change heat storage heat source tower heat pump system.
具体实施方式 Detailed ways
下面结合附图1对本发明作进一步的详细说明。 The present invention will be described in further detail below in conjunction with accompanying drawing 1.
在供暖季，太阳能集热板吸收太阳能，加热乙二醇，乙二醇循环泵将加热后的乙二醇输入相变蓄热箱的水箱换热管，加热蓄热水箱，富余热量储存在相变蓄热材料中；夜晚或者阴雨天气的时候，太阳能集热板不能吸收太阳能，相变蓄热板可释放热量，加热蓄热水箱。 In the heating season, the solar collector plate absorbs solar energy to heat ethylene glycol, and the ethylene glycol circulation pump sends the heated ethylene glycol into the water tank heat exchange tube of the phase change heat storage tank to heat the water storage tank, and the excess heat is stored in Among the phase change heat storage materials; at night or in rainy weather, the solar collector plate cannot absorb solar energy, but the phase change heat storage plate can release heat to heat the heat storage tank.
附图1中的热源塔采用的是改进型闭式热源塔，热泵机组冬、夏季工况采用四通换向阀进行切换。夏季，打开阀门11、14，关闭阀门12、13、15，太阳能相变蓄热系统不运行；冷却水被均匀的喷淋到填料层表面，与空气直接接触，通过接触散热和蒸发散热与周围空气进行热质交换，再有风机带动塔内气流循环，提高冷却效果。冬季，打开阀门12、13、15，关闭阀门11、14，太阳能集热板吸收太阳能，加热相变蓄热箱；防冻溶液（乙二醇）先进入热源塔，在低温宽带换热盘管内循环，与空气进行间接式热质交换（必要时启动喷淋防霜系统），然后进入太阳能相变蓄热箱继续进行热交换，温度进一步提高，最后进入热源塔热泵机组制热。 The heat source tower in attached drawing 1 adopts an improved closed heat source tower, and the winter and summer operating conditions of the heat pump unit are switched by a four-way reversing valve. In summer, open the valves 11 and 14, close the valves 12, 13 and 15, and the solar phase change heat storage system does not operate; the cooling water is evenly sprayed onto the surface of the packing layer, directly contacts with the air, and communicates with the surroundings through contact heat dissipation and evaporation heat dissipation. The air performs heat and mass exchange, and the fan drives the air circulation in the tower to improve the cooling effect. In winter, open the valves 12, 13, 15 and close the valves 11, 14. The solar collector plate absorbs solar energy and heats the phase change heat storage tank; the antifreeze solution (ethylene glycol) first enters the heat source tower and circulates in the low temperature broadband heat exchange coil , conduct indirect heat and mass exchange with the air (if necessary, start the spray anti-frost system), then enter the solar phase change heat storage tank to continue the heat exchange, the temperature is further increased, and finally enter the heat source tower heat pump unit for heating.
相比现有技术，本发明具有如下优势： Compared with the prior art, the present invention has the following advantages:
（1）本发明冬季利用太阳能集热器吸收太阳能，将热量储存在相变蓄热箱中，然后加热来自热源塔的防冻溶液，进一步提高防冻溶液的温度，最后进入热源塔热泵机组，通过蒸发器与制冷剂进行热交换；这样就增加了机组冬季运行时的蒸发温度，从而提高热泵机组制热运行时的cop值，从而降低冬季热泵机组的运行能耗和运行费用。 (1) In winter, the present invention utilizes solar heat collectors to absorb solar energy, stores heat in a phase change heat storage tank, then heats the antifreeze solution from the heat source tower to further increase the temperature of the antifreeze solution, and finally enters the heat source tower heat pump unit, through evaporation In this way, the evaporation temperature of the unit during winter operation is increased, thereby increasing the COP value of the heat pump unit during heating operation, thereby reducing the energy consumption and operating cost of the heat pump unit in winter. the
（2）本发明综合利用了太阳能和空气能这两种清洁廉价的能源，可以一定程度的提高热源塔热泵机组冬季制热运行时的cop值，降低机组冬季的运行能耗，符合国家大力提倡的创新、环保和节能的要求。 (2) The present invention comprehensively utilizes solar energy and air energy, two clean and cheap energy sources, which can increase the COP value of the heat source tower heat pump unit during heating operation in winter to a certain extent, and reduce the operating energy consumption of the unit in winter, which is in line with the country’s vigorously advocated Innovation, environmental protection and energy saving requirements.
（3）本发明采用相变蓄热材料进行蓄热，相变材料热密度大、蓄热器结构紧凑、体积小、热效率高、吸热放热温度恒定、易与运行系统匹配、易于控制，为用户节省空间且更方便用户使用； (3) The present invention adopts phase-change heat storage materials for heat storage. The phase-change materials have high heat density, compact structure, small volume, high thermal efficiency, constant heat absorption and heat release temperature, easy to match with the operating system, and easy to control. Save space for users and make it more convenient for users to use;
（4）本发明尤其适合于我国南方地区使用，替代空气源热泵，从而有效解决该地区冬季使用空气源热泵结霜的问题。 (4) The present invention is especially suitable for use in southern my country, replacing air source heat pumps, thereby effectively solving the frosting problem of air source heat pumps used in winter in this area.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644612A (en) * | 2013-12-10 | 2014-03-19 | 重庆大学 | Heat source tower heat pump air-conditioning system capable of using cool storage device to assist heating |
| CN103673396A (en) * | 2013-12-20 | 2014-03-26 | 湖南创化低碳环保科技有限公司 | Heat exchange system |
| CN104501469A (en) * | 2014-12-10 | 2015-04-08 | 哈尔滨工业大学 | Flowing phase change and energy storage falling film evaporative heat exchange device |
| CN104864736A (en) * | 2015-05-21 | 2015-08-26 | 天津大学 | Solar-assisted real-time regeneration system for anti-freezing solution of open heat-source tower |
| CN109974437A (en) * | 2019-03-22 | 2019-07-05 | 广东创陆制冷科技有限公司 | A kind of phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201476400U (en) * | 2009-05-25 | 2010-05-19 | 候春来 | Heating and cooling system of solar heat pump |
| CN102679624A (en) * | 2012-06-08 | 2012-09-19 | 湖南大学 | Solar energy and heat source tower heat pump combined triple supply air-conditioning system |
-
2013
- 2013-05-13 CN CN2013101744940A patent/CN103216900A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201476400U (en) * | 2009-05-25 | 2010-05-19 | 候春来 | Heating and cooling system of solar heat pump |
| CN102679624A (en) * | 2012-06-08 | 2012-09-19 | 湖南大学 | Solar energy and heat source tower heat pump combined triple supply air-conditioning system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644612A (en) * | 2013-12-10 | 2014-03-19 | 重庆大学 | Heat source tower heat pump air-conditioning system capable of using cool storage device to assist heating |
| CN103673396A (en) * | 2013-12-20 | 2014-03-26 | 湖南创化低碳环保科技有限公司 | Heat exchange system |
| CN103673396B (en) * | 2013-12-20 | 2015-11-18 | 湖南创化低碳环保科技有限公司 | Heat-exchange system |
| CN104501469A (en) * | 2014-12-10 | 2015-04-08 | 哈尔滨工业大学 | Flowing phase change and energy storage falling film evaporative heat exchange device |
| CN104864736A (en) * | 2015-05-21 | 2015-08-26 | 天津大学 | Solar-assisted real-time regeneration system for anti-freezing solution of open heat-source tower |
| CN109974437A (en) * | 2019-03-22 | 2019-07-05 | 广东创陆制冷科技有限公司 | A kind of phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System |
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Application publication date: 20130724 |