CN108019958A - A kind of Air-Water integral solar energy heat collector based on low-grade fever Manifold technology - Google Patents
A kind of Air-Water integral solar energy heat collector based on low-grade fever Manifold technology Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 208000030208 low-grade fever Diseases 0.000 title claims 8
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 238000009833 condensation Methods 0.000 claims abstract description 24
- 230000005494 condensation Effects 0.000 claims abstract description 24
- 239000011521 glass Substances 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000005496 tempering Methods 0.000 claims 1
- 238000001704 evaporation Methods 0.000 abstract description 11
- 230000008020 evaporation Effects 0.000 abstract description 11
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 239000011229 interlayer Substances 0.000 abstract description 7
- 230000010354 integration Effects 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 9
- 238000001816 cooling Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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Abstract
本发明提供的一种基于微热管技术的空气‑水一体化太阳能集热器，包括平板集热器、换热器和微热管阵列，平板集热器的上端与换热器的下端相连，微热管阵列贯穿于平板集热器和换热器内部；其中，平板集热器包括玻璃罩和保温板，玻璃罩设在保温板上部，与保温板形成密封夹层，微热管阵列的蒸发段位于密封夹层内；换热器包括换热风道和换热水管，微热管阵列的冷凝段位于换热风道内，换热水管贴附于微热管阵列的冷凝段表面。本发明充分利用太阳能，对空气和水同时进行加热，实现加热空气‑水一体化，减少能源浪费，使能源利用率更高。
An air-water integrated solar heat collector based on micro heat pipe technology provided by the present invention includes a flat plate heat collector, a heat exchanger and a micro heat pipe array, the upper end of the flat plate heat collector is connected with the lower end of the heat exchanger, and the micro The heat pipe array runs through the flat plate heat collector and heat exchanger; among them, the flat plate heat collector includes a glass cover and an insulation board, and the glass cover is arranged on the top of the insulation board to form a sealed interlayer with the heat preservation board. The evaporation section of the micro heat pipe array is located in the sealed In the interlayer; the heat exchanger includes a heat exchange air duct and a water exchange pipe, the condensation section of the micro heat pipe array is located in the heat exchange air duct, and the heat exchange pipe is attached to the surface of the condensation section of the micro heat pipe array. The invention makes full use of solar energy to heat air and water at the same time, realizes the integration of heating air and water, reduces energy waste, and makes energy utilization higher.
Description
技术领域technical field
本发明涉及一种太阳能集热器，特别涉及一种基于微热管技术的空气-水一体化太阳能集热器。The invention relates to a solar heat collector, in particular to an air-water integrated solar heat collector based on micro heat pipe technology.
背景技术Background technique
当今世界，常规能源日益紧缺，太阳能作为一种可再生、无污染的新能源逐渐受到重视。太阳能集热器是目前太阳能利用中最成熟、使用最广泛的一种。目前，采暖用太阳能集热器主要分为两种形式：真空管式太阳集热器和平板式太阳能集热器。虽然真空管式太阳集热器有防冻抗冻性较好、热损系数较小的优点，平板式太阳能集热器有热效率高的优点，但现有的太阳能集热器却存在诸多问题，比如，真空管式太阳能集热器的真空管存在易漏水、易损坏、不易修复等问题，平板式太阳能集热器存在集热效率低、水管易结垢、不易清理等问题。并且，现有的太阳能集热器只能单独用来加热水供生活使用或者单独加热空气为室内供暖。在为室内供暖的同时要想提供生活热水，通常需要使用其他辅助设备，且耗电量大，而且现有太阳能集热器加热水后，仍会有一部分热量没有得到充分利用，造成能量损失。In today's world, conventional energy is increasingly scarce, and solar energy, as a renewable and non-polluting new energy, is gradually being valued. Solar collectors are the most mature and widely used solar energy utilization. At present, solar collectors for heating are mainly divided into two forms: vacuum tube solar collectors and flat-plate solar collectors. Although the vacuum tube solar collector has the advantages of good antifreeze and frost resistance and small heat loss coefficient, and the flat plate solar collector has the advantages of high thermal efficiency, there are many problems in the existing solar collectors, such as, The vacuum tube of the evacuated tube solar collector has problems such as water leakage, damage, and repair, and the flat plate solar collector has problems such as low heat collection efficiency, easy scaling of water pipes, and difficulty in cleaning. And, existing solar heat collector can only be used for heating water alone for domestic use or heating air alone for indoor heating. In order to provide domestic hot water while heating the room, it usually requires the use of other auxiliary equipment, which consumes a lot of power, and after the existing solar collectors heat the water, some heat will still not be fully utilized, resulting in energy loss .
因此，需要一种利用太阳能、可同时加热空气和水、满足换热系数高、热转化率大、结构简单、便于安装清理维护的一体化太阳能集热器。Therefore, there is a need for an integrated solar collector that uses solar energy, can heat air and water at the same time, has high heat transfer coefficient, high heat conversion rate, simple structure, and is easy to install, clean and maintain.
发明内容Contents of the invention
本发明的目的是解决现阶段太阳能集热器存在的问题，提供的基于微热管技术的空气-水一体化太阳能集热器。The purpose of the present invention is to solve the existing problems of solar heat collectors at the present stage, and provide an air-water integrated solar heat collector based on micro heat pipe technology.
本发明提供的基于微热管技术的空气-水一体化太阳能集热器，包括平板集热器、换热器和微热管阵列，平板集热器的上端与换热器的下端相连，微热管阵列贯穿于平板集热器和换热器内部；其中，平板集热器包括玻璃罩和保温板，玻璃罩设在保温板上部，与保温板形成密封夹层，微热管阵列的蒸发段位于密封夹层内；换热器包括换热风道、换热水管和保温层，微热管阵列的冷凝段位于换热风道内，换热风道外表面设有保温层，换热水管位于换热风道的保温层内，换热水管贴附于微热管阵列的冷凝段表面；所述的换热风道一端为进风口，另一端为出风口；进风口处设有风机，出风口通过送风管道与室内出风口相连。The air-water integrated solar heat collector based on the micro heat pipe technology provided by the present invention comprises a flat heat collector, a heat exchanger and a micro heat pipe array, the upper end of the flat heat collector is connected with the lower end of the heat exchanger, and the micro heat pipe array It runs through the inside of the flat plate heat collector and heat exchanger; among them, the flat plate heat collector includes a glass cover and an insulation board, the glass cover is arranged on the top of the insulation board, and forms a sealed interlayer with the insulation board, and the evaporation section of the micro heat pipe array is located in the sealed interlayer The heat exchanger includes a heat exchange air duct, a water exchange pipe and an insulation layer, the condensation section of the micro heat pipe array is located in the heat exchange air duct, the outer surface of the heat exchange air duct is provided with an insulation layer, and the heat exchange pipe is located in the heat exchange air duct insulation layer Inside, the heat exchange pipe is attached to the surface of the condensation section of the micro heat pipe array; one end of the heat exchange air duct is an air inlet, and the other end is an air outlet; The vents are connected.
所述的换热风道内的微热管阵列的冷凝段表面设有散热翅片。Radiating fins are provided on the surface of the condensation section of the micro heat pipe array in the heat exchange air duct.
所述的散热翅片垂直设在微热管阵列的冷凝段表面。The heat dissipation fins are arranged vertically on the surface of the condensation section of the micro heat pipe array.
所述的平板集热器内的微热管阵列蒸发段的表面附有吸热涂层。A heat absorbing coating is attached to the surface of the evaporation section of the micro heat pipe array in the flat plate heat collector.
所述的平板集热器的玻璃罩为钢化透明玻璃罩。The glass cover of the flat plate heat collector is tempered transparent glass cover.
所述的换热风道一端为进风口，另一端为出风口；进风口处设有风机，出风口通过送风管道与室内出风口相连。One end of the heat exchange air duct is an air inlet, and the other end is an air outlet; the air inlet is provided with a fan, and the air outlet is connected to the indoor air outlet through an air supply pipe.
所述的换热水管一端为进水口，另一端为出水口；进水口通过水管与水源相连，出水口通过水管与室内用水设施相连。One end of the water exchange pipe is a water inlet, and the other end is a water outlet; the water inlet is connected to a water source through a water pipe, and the water outlet is connected to an indoor water facility through a water pipe.
所述风机使用太阳能电池进行供电。The fan is powered by solar cells.
微热管阵列为现有技术，因此具体结构不在此赘述。The micro heat pipe array is a prior art, so the specific structure will not be repeated here.
本发明的工作原理：Working principle of the present invention:
将本发明提供的基于微热管技术的空气-水一体化太阳能集热器倾斜安装在建筑物外，倾斜角度能够满足平板集热器的上表面充分接受光照即可，最好按照当地纬度±10度的倾角放置。The air-water integrated solar thermal collector based on the micro heat pipe technology provided by the present invention is obliquely installed outside the building. degrees of inclination.
太阳光透过平板集热器上表面的玻璃罩，照射在平板集热器内微热管阵列的蒸发段，蒸发段表面设有吸热涂层，充分吸收太阳能，将太阳能转化为热能，由微热管阵列内的工质蒸发流动将热量传递到微热管阵列上部的冷凝段；冷凝段位于换热器的换热风道内，换热风道进风口处的风机将空气吸入换热风道内，微热管阵列冷凝段放出热量，并通过冷凝段表面的散热翅片散热，热量与空气充分接触，将空气加热，经过加热的空气再由出风口输出，经送风管道送至室内，为室内供暖；同时，换热器内的换热水管中，冷水从进水口流入，冷凝段释放的热量传递给紧密贴附于冷凝段的换热水管，通过换热作用，将换热水管内的流动的冷水加热，再由出水口输出，送至室内用水或储水设备。Sunlight passes through the glass cover on the upper surface of the flat-plate collector and irradiates the evaporation section of the micro-heat pipe array in the flat-plate collector. The surface of the evaporation section is provided with a heat-absorbing coating to fully absorb solar energy and convert solar energy into heat energy. The evaporation flow of the working medium in the heat pipe array transfers heat to the condensation section on the upper part of the micro heat pipe array; The condensing section of the heat pipe array emits heat, and dissipates heat through the cooling fins on the surface of the condensing section. The heat is fully in contact with the air to heat the air. The heated air is output from the air outlet and sent to the room through the air supply pipe to heat the room; At the same time, in the water exchange pipe in the heat exchanger, cold water flows in from the water inlet, and the heat released by the condensation section is transferred to the water exchange pipe closely attached to the condensation section. Through heat exchange, the cold water flowing in the water exchange pipe Heated, then output from the water outlet, sent to indoor water or water storage equipment.
本发明的有益效果：Beneficial effects of the present invention:
1.本发明结构简单，设备的维护和维修方便，充分利用了微热管阵列技术换热系数高、热转化率大的特征，显著提高集热器的集热和换热效率。1. The present invention has simple structure, convenient maintenance and repair of equipment, fully utilizes the characteristics of high heat transfer coefficient and high heat conversion rate of the micro heat pipe array technology, and significantly improves the heat collection and heat transfer efficiency of the heat collector.
2.本发明克服了传统集热器冬季易结冻、集热效率不高的问题，可以在全国范围内特别是严寒地区广泛推广使用。2. The present invention overcomes the problems of the traditional heat collectors being easy to freeze in winter and low heat collection efficiency, and can be widely used nationwide, especially in severe cold regions.
3.本发明充分利用太阳能，对空气和水同时进行加热，实现加热空气-水一体化，减少能源浪费，使能源利用率更高。3. The present invention makes full use of solar energy to heat air and water at the same time, realizes the integration of heating air and water, reduces energy waste, and makes energy utilization higher.
4.本发明加热空气的换热风道与加热水的换热水管彼此可独立运行，既可以单独加热空气或水，也可以同时加热空气和水，既可以供暖，也可以提供热水，使日常生活更加便利。4. The heat exchange air channel for heating air and the water exchange pipe for heating water in the present invention can operate independently of each other, and can either heat air or water alone, or heat air and water at the same time, and can provide heating or hot water, so that Daily life is more convenient.
附图说明Description of drawings
图1为本发明侧视结构示意图。Figure 1 is a schematic side view of the structure of the present invention.
图2为本发明俯视结构示意图。Fig. 2 is a schematic top view of the structure of the present invention.
1、平板集热器 2、换热器 3、微热管阵列 4、玻璃罩1. Flat plate collector 2. Heat exchanger 3. Micro heat pipe array 4. Glass cover
5、保温板 6、换热风道 7、换热水管 8、散热翅片5. Insulation board 6. Heat exchange duct 7. Heat exchange pipe 8. Radiation fins
9、吸热涂层 10、进风口 11、出风口 12、风机9. Heat-absorbing coating 10. Air inlet 11. Air outlet 12. Fan
13、进水口 14、出水口 15、保温层。13. Water inlet 14. Water outlet 15. Insulation layer.
具体实施方式Detailed ways
请参阅图1-图2所示：Please refer to Figure 1-Figure 2:
本发明提供的基于微热管技术的空气-水一体化太阳能集热器，包括平板集热器1、换热器2和微热管阵列3，平板集热器1的上端与换热器2的下端相连，微热管阵列3贯穿于平板集热器1和换热器2内部；其中，平板集热器1包括玻璃罩4和保温板5，玻璃罩4设在保温板5上部，与保温板5形成密封夹层，微热管阵列3的蒸发段位于密封夹层内；换热器2包括换热风道6、换热水管7和保温层15，微热管阵列3的冷凝段位于换热风道6内，换热风道6外表面设有保温层15，换热水管7位于换热风道6的保温层15内，换热水管7贴附于微热管阵列3的冷凝段表面；所述的换热风道6一端为进风口10，另一端为出风口11；进风口10处设有风机12，出风口11通过送风管道与室内出风口相连。换热水管7采用导热率高的金属换热管。保温板5用于减少热量的散失，起到保温隔热的作用，同时起到支撑作用。换热风道6外表面的保温层15用于减少热量的散失，起到保温隔热的作用。风机12使用太阳能电池进行供电。The air-water integrated solar heat collector based on the micro heat pipe technology provided by the present invention includes a flat plate heat collector 1, a heat exchanger 2 and a micro heat pipe array 3, the upper end of the flat plate heat collector 1 and the lower end of the heat exchanger 2 Connected, the micro heat pipe array 3 runs through the flat plate heat collector 1 and the heat exchanger 2; wherein, the flat plate heat collector 1 includes a glass cover 4 and a thermal insulation board 5, and the glass cover 4 is arranged on the upper part of the thermal insulation board 5, and is connected with the thermal insulation board 5 A sealed interlayer is formed, and the evaporation section of the micro heat pipe array 3 is located in the sealed interlayer; the heat exchanger 2 includes a heat exchange air duct 6, a water exchange pipe 7 and an insulation layer 15, and the condensation section of the micro heat pipe array 3 is located in the heat exchange air duct 6 , the outer surface of the heat exchange air duct 6 is provided with an insulation layer 15, the heat exchange pipe 7 is located in the insulation layer 15 of the heat exchange air duct 6, and the heat exchange pipe 7 is attached to the surface of the condensation section of the micro heat pipe array 3; One end of the hot air duct 6 is an air inlet 10, and the other end is an air outlet 11; the air inlet 10 is provided with a blower fan 12, and the air outlet 11 is connected to the indoor air outlet through an air supply duct. The heat exchange pipe 7 adopts a metal heat exchange pipe with high thermal conductivity. The thermal insulation board 5 is used for reducing heat loss, plays the role of thermal insulation, and plays a supporting role at the same time. The thermal insulation layer 15 on the outer surface of the heat exchange air duct 6 is used to reduce heat loss and play a role of thermal insulation. The blower fan 12 is powered by solar cells.
所述的换热风道6内的微热管阵列3的冷凝段表面设有散热翅片8，散热翅片8采用导热率高的金属散热翅片。The surface of the condensation section of the micro heat pipe array 3 in the heat exchange air channel 6 is provided with cooling fins 8, and the cooling fins 8 are metal cooling fins with high thermal conductivity.
所述的散热翅片8垂直设在微热管阵列3的冷凝段表面，有利于冷凝段的热量充分散发，同时增大与空气的换热面积，提高对空气的换热效率。The heat dissipation fins 8 are vertically arranged on the surface of the condensation section of the micro heat pipe array 3, which is conducive to the full dissipation of heat in the condensation section, and at the same time increases the heat exchange area with the air to improve the heat exchange efficiency to the air.
所述的平板集热器1内的微热管阵列3蒸发段的表面附有吸热涂层9，增加太阳能的吸收效率。吸热涂层9可采用纳米复合吸热涂层。The surface of the evaporation section of the micro heat pipe array 3 in the flat plate heat collector 1 is attached with a heat absorbing coating 9 to increase the absorption efficiency of solar energy. The heat-absorbing coating 9 may adopt a nanocomposite heat-absorbing coating.
所述的平板集热器1中，玻璃罩4与保温板5形成密封夹层为真空。起到保温、防止散热的作用。In the flat plate heat collector 1, the glass cover 4 and the insulation board 5 form a sealed interlayer which is vacuum. Play the role of heat preservation and prevent heat dissipation.
所述的平板集热器1的玻璃罩4为钢化透明玻璃罩，起到保护作用的同时，保证透光率。The glass cover 4 of the flat plate heat collector 1 is a toughened transparent glass cover, which not only plays a protective role, but also ensures light transmittance.
所述的换热水管7一端为进水口13，另一端为出水口14；进水口13通过水管与水源相连，出水口14通过水管与室内用水设施相连。One end of the heat exchange pipe 7 is a water inlet 13, and the other end is a water outlet 14; the water inlet 13 is connected to a water source through a water pipe, and the water outlet 14 is connected to an indoor water facility through a water pipe.
所述的换热风道6外表面的保温层15厚度不少于60mm。The thickness of the insulation layer 15 on the outer surface of the heat exchange air duct 6 is not less than 60 mm.
本发明的工作原理：Working principle of the present invention:
将本发明提供的基于微热管技术的空气-水一体化太阳能集热器倾斜安装在建筑物外，倾斜角度能够满足平板集热器1的上表面充分接受光照即可，最好按照当地纬度±10度的倾角放置。The air-water integrated solar thermal collector based on the micro heat pipe technology provided by the present invention is obliquely installed outside the building. Placed at an inclination angle of 10 degrees.
太阳光透过平板集热器1上表面的玻璃罩4，照射在平板集热器1内微热管阵列3的蒸发段，蒸发段表面设有吸热涂层9，充分吸收太阳能，将太阳能转化为热能，由微热管阵列3内的工质蒸发流动将热量传递到微热管阵列3上部的冷凝段；冷凝段位于换热器2的换热风道6内，换热风道6的进风口10处的风机12将空气吸入换热风道6内，微热管阵列3的冷凝段放出热量，并通过冷凝段表面的散热翅片8散热，热量与空气充分接触，并将空气加热，经过加热的空气再由出风口11输出，经送风管道送至室内，为室内供暖；同时，换热器2内的换热水管7中，冷水从进水口13流入，冷凝段释放的热量传递给紧密贴附于冷凝段的换热水管7，通过换热作用，进而将换热水管7内流动的冷水加热，再由出水口14输出，送至室内用水或储水设备，为生产生活提供热水。Sunlight passes through the glass cover 4 on the upper surface of the flat-plate heat collector 1, and irradiates on the evaporation section of the micro-heat pipe array 3 in the flat-plate heat collector 1. The surface of the evaporation section is provided with a heat-absorbing coating 9, which fully absorbs solar energy and converts the solar energy For heat energy, the heat is transferred to the condensation section on the top of the micro heat pipe array 3 by the evaporation flow of the working medium in the micro heat pipe array 3; the condensation section is located in the heat exchange air channel 6 of the heat exchanger 2, and the air inlet of the heat exchange air channel The fan 12 at 10 sucks the air into the heat exchange air duct 6, the condensation section of the micro heat pipe array 3 releases heat, and dissipates heat through the cooling fins 8 on the surface of the condensation section, the heat fully contacts with the air, and heats the air. The air is output from the air outlet 11 and sent to the room through the air supply pipe to heat the room; at the same time, in the heat exchange pipe 7 in the heat exchanger 2, cold water flows in from the water inlet 13, and the heat released by the condensation section is transferred to the compact The water exchange pipe 7 attached to the condensation section heats the cold water flowing in the water exchange pipe 7 through heat exchange, and then outputs it through the water outlet 14, and sends it to indoor water or water storage equipment to provide hot water for production and life .
Claims (7)
- A kind of 1. Air-Water integral solar energy heat collector based on low-grade fever Manifold technology, it is characterised in that：Including flat heat collecting Device, heat exchanger and micro heat pipe array, the upper end of flat plate collector are connected with the lower end of heat exchanger, and micro heat pipe array is through tablet Inside heat collector and heat exchanger；Wherein, flat plate collector includes cloche and thermal insulation board, and glass is located at thermal insulation board top, with Thermal insulation board forms Sealed sandwich, and the evaporator section of micro heat pipe array is located in Sealed sandwich；Heat exchanger includes heat exchanging air duct, heat-exchanging water Pipe and insulating layer, the condensation segment of micro heat pipe array are located in heat exchanging air duct, and heat exchanging air duct outer surface is equipped with insulating layer, heat exchanging water pipe In the insulating layer of heat exchanging air duct, heat exchanging water pipe is attached at the condensation section surface of micro heat pipe array；The heat exchanging air duct one It is air outlet to hold as air inlet, the other end；Air inlet is equipped with wind turbine, and air outlet passes through air supply duct and indoor air outlet phase Even.
- 2. a kind of Air-Water integral solar energy heat collector based on low-grade fever Manifold technology according to claim 1, its feature It is：The condensation section surface of micro heat pipe array in the heat exchanging air duct is equipped with radiating fin.
- 3. a kind of Air-Water integral solar energy heat collector based on low-grade fever Manifold technology according to claim 2, its feature It is：The radiating fin is vertically located at the condensation section surface of micro heat pipe array.
- 4. a kind of Air-Water integral solar energy heat collector based on low-grade fever Manifold technology according to claim 1, its feature It is：Has heat absorbing coating in the surface of micro heat pipe array evaporator section in the flat plate collector.
- 5. a kind of Air-Water integral solar energy heat collector based on low-grade fever Manifold technology according to claim 1, its feature It is：In the flat plate collector, it is vacuum that cloche forms Sealed sandwich with thermal insulation board.
- 6. a kind of Air-Water integral solar energy heat collector based on low-grade fever Manifold technology according to claim 1, its feature It is：The cloche of the flat plate collector is tempering transparent glass cover.
- 7. a kind of Air-Water integral solar energy heat collector based on low-grade fever Manifold technology according to claim 1, its feature It is：Described heat exchanging water pipe one end is water inlet, and the other end is water outlet；Water inlet is connected by water pipe with water source, water outlet Mouth is connected by water pipe with indoor drainage facility.
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Application publication date: 20180511 |