CN111750412A - Ultra-large flexible photovoltaic photothermal-water tank hot water drying system and working method - Google Patents

Ultra-large flexible photovoltaic photothermal-water tank hot water drying system and working method Download PDF

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CN111750412A
CN111750412A CN202010748992.1A CN202010748992A CN111750412A CN 111750412 A CN111750412 A CN 111750412A CN 202010748992 A CN202010748992 A CN 202010748992A CN 111750412 A CN111750412 A CN 111750412A
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water tank
hot water
heat
heat storage
air duct
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袁艳平
周锦志
季文慧
余南阳
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Southwest Jiaotong University
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00—Other domestic- or space-heating systems
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/26—Heating arrangements, e.g. gas heating equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40—Thermal components
    • H02S40/42—Cooling means
    • H02S40/425—Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40—Thermal components
    • H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
    • Y02B40/18—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers using renewables, e.g. solar cooking stoves, furnaces or solar heating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/60—Thermal-PV hybrids

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Textile Engineering (AREA)
  • Photovoltaic Devices (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention provides an ultra-large flexible photovoltaic photo-thermal-water tank hot water drying system and a working method thereof. The system breaks through the traditional separation structure mode of the solar photovoltaic photo-thermal module and the heat storage water tank, and the photovoltaic cell and the heat absorption plate are directly combined with the wall surface of the heat storage water tank to form the flexible photovoltaic photo-thermal-water tank module. In non-heating seasons, the flexible photovoltaic photothermal layer can generate electricity and heat domestic hot water through wall surface heat transfer, so that hot water and electric energy are provided for the multi-storey building; in the heating season, the modules generate electricity, and push air to pass through the surface of the flexible photovoltaic photo-thermal layer and be heated by the aid of the fans, so that hot air can be provided for the drying room to dry clothes.

Description

超大型柔性光伏光热-水箱热水干燥系统及工作方法Ultra-large flexible photovoltaic photothermal-water tank hot water drying system and working method

技术领域technical field

本发明属于太阳能光伏光热综合利用技术领域，具体涉及大型光伏光热系统与建筑结合的应用。The invention belongs to the technical field of comprehensive utilization of solar photovoltaic light and heat, and particularly relates to the application of combining a large-scale photovoltaic light and heat system with a building.

背景技术Background technique

太阳能光伏光热一体化技术系统可实现供电供热水双重功能。当前光伏光热系统多采用光伏光热模块与水箱分离结构，因模块有高空掉落的危险，大部分系统置放于建筑屋顶，但屋顶有限的面积只能保证少数的用户系统的安装使用。因此，发展结构合理，适用于社区多用户的光伏光热系统迫在眉睫。The solar photovoltaic photothermal integrated technology system can realize the dual functions of power supply and hot water supply. At present, photovoltaic photovoltaic systems mostly use photovoltaic photovoltaic modules and water tanks. Because the modules are in danger of falling from high altitudes, most systems are placed on the roof of the building, but the limited area of the roof can only ensure the installation and use of a few user systems. Therefore, it is imminent to develop a photovoltaic solar thermal system with a reasonable structure and suitable for multiple users in the community.

发明内容SUMMARY OF THE INVENTION

针对现有光伏光热系统部件分离、功能局限、高层应用易掉落等问题，本发明提出了一种超大型柔性光伏光热-水箱热水干燥系统。该系统采用大型储热水箱作为光伏光热模块基板，避免部件掉落，采用多用户集中供热水和干燥，解决了多系统安装空间限制的不足。Aiming at the problems of separation of components of the existing photovoltaic photothermal system, functional limitations, and easy falling of high-rise applications, the present invention proposes an ultra-large flexible photovoltaic photothermal-water tank hot water drying system. The system uses a large hot water storage tank as the photovoltaic photovoltaic module substrate to avoid parts falling, and adopts multi-user centralized hot water supply and drying, which solves the shortage of multi-system installation space limitations.

为实现上述发明目的，本发明技术方案如下：In order to realize the above-mentioned purpose of the invention, the technical scheme of the present invention is as follows:

一种超大型柔性光伏光热-水箱热水干燥系统，包括圆柱状的储热水箱5、储热水箱5外壁面设有光伏光热层2，光伏光热层2包括柔性电池片3和吸热板4，储热水箱5外壁面黏合吸热板4的背光面，吸热板4将吸收的热量通过储热水箱5的壁面加热内部冷水；吸热板4的吸光面固定柔性电池片3，光伏光热层2用于吸收和转换太阳能为系统提供电能和热能；远离储热水箱5的外表面设有半圆柱状的透明板0，透明板0与光伏光热层2之间设有空气层1，空气层1用于隔热或作为空气通道；透明板0的下部和上部分别设有风道入口9和风道出口10，风道入口9处设置风扇8，风道出口10通过管路与干燥房12相连，风道入口9处设有风道入口挡板7，风道出口10处设有风道出口挡板11，储热水箱5底部设有储热水箱热水出口13，储热水箱热水出口13经管路和水泵14连接至建筑楼层17的用户端15，为建筑楼层17供热水；储热水箱5顶部设有储热水箱冷水进口16，用于及时补充储热水箱5补充消耗掉的热水。An ultra-large flexible photovoltaic photothermal-water tank hot water drying system includes a cylindrical hot water storage tank 5, a photovoltaic photothermal layer 2 on the outer wall of the hot water storage tank 5, and the photovoltaic photothermal layer 2 includes flexible cells 3. and the heat absorbing plate 4, the outer wall surface of the hot water storage tank 5 is bonded to the backlight surface of the heat absorbing plate 4, and the heat absorbing plate 4 heats the internal cold water through the wall surface of the hot water storage tank 5; the light absorbing surface of the heat absorbing plate 4 is fixed The flexible cell 3 and the photovoltaic photothermal layer 2 are used to absorb and convert solar energy to provide electrical energy and thermal energy for the system; the outer surface far from the hot water storage tank 5 is provided with a semi-cylindrical transparent plate 0, the transparent plate 0 and the photovoltaic photothermal layer 2 There is an air layer 1 between, and the air layer 1 is used for heat insulation or as an air channel; the lower and upper parts of the transparent plate 0 are respectively provided with an air duct inlet 9 and an air duct outlet 10, and a fan 8 is provided at the air duct inlet 9, and the air duct The outlet 10 is connected to the drying room 12 through a pipeline, the air duct inlet 9 is provided with an air duct inlet baffle 7, the air duct outlet 10 is provided with an air duct outlet baffle 11, and the bottom of the hot water storage tank 5 is provided with hot water storage The hot water outlet 13 of the tank, the hot water outlet 13 of the hot water storage tank is connected to the user terminal 15 of the building floor 17 through the pipeline and the water pump 14 to supply hot water for the building floor 17; the top of the hot water storage tank 5 is provided with a cold water storage tank The inlet 16 is used to replenish the consumed hot water in the hot water storage tank 5 in time.

作为优选方式，透明板0为亚克力板。As a preferred way, the transparent plate 0 is an acrylic plate.

作为优选方式，柔性电池片3和吸热板4的吸光面以热熔胶层压方式结合在一起。As a preferred way, the flexible battery sheet 3 and the light-absorbing surface of the heat-absorbing plate 4 are bonded together by hot-melt adhesive lamination.

作为优选方式，储热水箱5的底部为保温层6。As a preferred manner, the bottom of the hot water storage tank 5 is an insulating layer 6 .

作为优选方式，透明板0与储热水箱5同心设置。As a preferred way, the transparent plate 0 is arranged concentrically with the hot water storage tank 5 .

作为优选方式，吸热板4为与储热水箱5同心设置的半圆柱状。As a preferred embodiment, the heat absorption plate 4 is a semi-cylindrical shape arranged concentrically with the hot water storage tank 5 .

作为优选方式，储热水箱热水出口13经管路连接至多个并联的用户端14。As a preferred way, the hot water outlet 13 of the hot water storage tank is connected to a plurality of parallel user terminals 14 through pipelines.

作为优选方式，柔性电池片3通过电线连接至电网。As a preferred way, the flexible battery sheet 3 is connected to the grid through wires.

为实现上述发明目的，本发明还提供一种所述的超大型柔性光伏光热-水箱热水干燥系统的工作方法，其为：在非采暖季，风道入口挡板7、风道出口挡板11和风扇8关闭，光照穿过透明板0照射在光伏光热层2上，一部分光照被柔性电池片3吸收转化为电能并输送至电网；另一部分被光伏光热层2转化为热能并通过储热水箱5壁面进入水箱，储热水箱5内的水以自然对流换热形式对壁面进行冷却吸热，水温不断上升；当水达到使用要求温度后，储热水箱5通过储热水箱热水出口13和用户端15为建筑楼层提供热水，而储热水箱冷水进口16及时补充冷水填满储热水箱5；In order to achieve the above purpose of the invention, the present invention also provides a working method of the super-large flexible photovoltaic photothermal-water tank hot water drying system. The plate 11 and the fan 8 are turned off, and the light passes through the transparent plate 0 and irradiates on the photovoltaic photothermal layer 2. Part of the light is absorbed by the flexible cell 3 and converted into electrical energy and sent to the power grid; Entering the water tank through the wall of the hot water storage tank 5, the water in the hot water storage tank 5 cools and absorbs heat on the wall in the form of natural convection heat exchange, and the water temperature continues to rise; when the water reaches the required temperature, the hot water storage tank 5 passes through the storage The hot water outlet 13 of the hot water tank and the user terminal 15 provide hot water for the building floor, and the cold water inlet 16 of the hot water storage tank replenishes the cold water to fill the hot water storage tank 5 in time;

在采暖季，风道入口挡板7、风道出口挡板11和风扇8开启，储热水箱5内的水放空，柔性电池片3在发电并网的同时室外冷空气在风扇8的推动下进入空气层1，冷空气在空气层1中由下到上以强制对流换热形式冷却光伏光热层2，降低柔性电池片3的工作温度并同时获得高温气体，热空气由风道出口10进入干燥房12并对干燥房12内部的衣物进行干燥。In the heating season, the air duct inlet baffle 7, the air duct outlet baffle 11 and the fan 8 are opened, the water in the hot water storage tank 5 is emptied, and the flexible cell 3 is generating electricity and connecting to the grid while the outdoor cold air is pushed by the fan 8 Enter the air layer 1 from the bottom, and the cold air cools the photovoltaic photothermal layer 2 in the form of forced convection heat exchange from bottom to top in the air layer 1, reduces the working temperature of the flexible cell 3 and obtains high-temperature gas at the same time, and the hot air exits from the air duct 10 enters the drying room 12 and dries the clothes inside the drying room 12 .

传统光伏光热模块吸热面积多在2平方米内，为了与建筑结合需悬挂在外墙面上，此结构具有单位成本高、热电输出与用户需求不匹配、易高空掉落等缺点。本发明系统突破了传统光伏光热系统面积小、单用户使用的局限，提出了超大型光伏光热系统，此系统吸热面积可达上百平米，可实现集中供热供电，节约成本，同时避免了小型系统部件高空掉落及安装面积局限等缺点。The heat absorption area of traditional photovoltaic modules is mostly within 2 square meters. In order to combine with the building, it needs to be hung on the outer wall. This structure has disadvantages such as high unit cost, mismatch of thermoelectric output and user needs, and easy falling from high altitudes. The system of the invention breaks through the limitations of the traditional photovoltaic photovoltaic system with small area and single-user use, and proposes an ultra-large photovoltaic photovoltaic system. The heat absorption area of this system can reach hundreds of square meters, which can realize central heating and power supply, save costs, and at the same time It avoids the disadvantages of small system components falling from high altitude and limited installation area.

本系统突破了传统太阳能光伏光热层2与储热水箱5分离结构方式，将光伏光热层2与储热水箱5壁面相黏合，扩大了二者之间换热面积，缩短了二者之间的传热路径。This system breaks through the separation structure of the traditional solar photovoltaic photothermal layer 2 and the hot water storage tank 5, and bonds the photovoltaic photothermal layer 2 and the wall surface of the hot water storage tank 5, thereby expanding the heat exchange area between the two and shortening the two heat transfer paths between them.

本系统利用自身规模特点可实现并网发电、集中供热水和干燥衣物，方便与社区结合。The system can realize grid-connected power generation, central hot water supply and drying clothes by using its own scale characteristics, which is convenient to integrate with the community.

本发明系统的技术构思如下：The technical conception of the system of the present invention is as follows:

系统采用超大型圆柱形水箱作为光伏光热模块基板，以光伏光热层与储热水箱直接黏合方式，缩短二者之间的传热路径，扩大传热面积。在非采暖季，系统可实现集中并网发电和供热水功能，在采暖季，系统可实现发电、集中干燥功能。The system uses an ultra-large cylindrical water tank as the photovoltaic photovoltaic module substrate, and the photovoltaic photovoltaic layer and the hot water storage tank are directly bonded to shorten the heat transfer path between the two and expand the heat transfer area. In the non-heating season, the system can realize centralized grid-connected power generation and hot water supply functions. In the heating season, the system can realize the functions of power generation and centralized drying.

采用光伏光热与储热水箱耦合形成光伏光热水箱模块，此模块可为建筑提供热水、电能。模块运行时，光伏光热层可将热量通过储热水箱壁面直接传入水箱内，完成制热水功能。Photovoltaic photothermal and hot water storage tank are coupled to form a photovoltaic photothermal hot water tank module, which can provide hot water and electricity for buildings. When the module is running, the photovoltaic photothermal layer can directly transfer heat into the water tank through the wall of the hot water storage tank to complete the function of making hot water.

相比现有技术，本发明的有益效果如下：Compared with the prior art, the beneficial effects of the present invention are as follows:

1、系统提出超大型光伏光热系统，可实现整栋建筑的集中并网发电、供热水及干燥等多功能。1. The system proposes a super-large photovoltaic photothermal system, which can realize the centralized grid-connected power generation, hot water supply and drying of the entire building.

2、本发明突破了传统光伏光热层与储热水箱分离结构方式，将光伏光热层与水箱壁面直接融合，扩大了二者换热面积、缩短了二者之间的传热路径、提高了系统光电光热效率。2. The present invention breaks through the traditional method of separating the photovoltaic photothermal layer and the hot water storage tank, and directly integrates the photovoltaic photothermal layer and the wall surface of the water tank, thereby expanding the heat exchange area and shortening the heat transfer path between the two. The photoelectric photothermal efficiency of the system is improved.

附图说明Description of drawings

图1为本发明实施例提供的一种超大型柔性光伏光热-水箱热水干燥系统的结构示意图；1 is a schematic structural diagram of a super-large flexible photovoltaic photothermal-water tank hot water drying system provided by an embodiment of the present invention;

图2为本发明实施例提供的一种超大型柔性光伏光热-水箱热水干燥系统的非采暖季运行图；2 is a non-heating season operation diagram of a super-large flexible photovoltaic photothermal-water tank hot water drying system provided by an embodiment of the present invention;

图3为本发明实施例提供的一种超大型柔性光伏光热-水箱热水干燥系统的采暖季运行图；Fig. 3 is a heating season operation diagram of a super-large flexible photovoltaic photothermal-water tank hot water drying system provided by an embodiment of the present invention;

图中，0为透明板，1为空气层，2为光伏光热层，3为柔性电池片，4为吸热板，5为储热水箱，6为保温层，7为风道入口挡板，8为风扇，9为风道入口，10为风道出口，11为风道出口挡板，12为干燥房，13为储热水箱热水出口，14为水泵，15为用户端，16为储热水箱冷水进口，17为建筑楼层。In the figure, 0 is a transparent plate, 1 is an air layer, 2 is a photovoltaic photothermal layer, 3 is a flexible cell, 4 is a heat absorbing plate, 5 is a hot water storage tank, 6 is a thermal insulation layer, and 7 is an air duct inlet barrier board, 8 is the fan, 9 is the air duct inlet, 10 is the air duct outlet, 11 is the air duct outlet baffle, 12 is the drying room, 13 is the hot water outlet of the hot water storage tank, 14 is the water pump, and 15 is the user end, 16 is the cold water inlet of the hot water storage tank, and 17 is the building floor.

具体实施方式Detailed ways

一种超大型柔性光伏光热-水箱热水干燥系统，包括圆柱状的储热水箱5、储热水箱5外壁面设有光伏光热层2，光伏光热层2包括柔性电池片3和吸热板4，储热水箱5外壁面黏合吸热板4的背光面，吸热板4将吸收的热量通过储热水箱5的壁面加热内部冷水；柔性电池片3和吸热板4的吸光面以热熔胶层压方式结合在一起，光伏光热层2用于吸收和转换太阳能为系统提供电能和热能；远离储热水箱5的外表面设有半圆柱状的透明板0，透明板0与储热水箱5同心设置。透明板0为亚克力板。透明板0与光伏光热层2之间设有空气层1，空气层1用于隔热或作为空气通道；透明板0的下部和上部分别设有风道入口9和风道出口10，风道入口9处设置风扇8，风道出口10通过管路与干燥房12相连，风道入口9处设有风道入口挡板7，风道出口10处设有风道出口挡板11，储热水箱5底部设有储热水箱热水出口13，储热水箱热水出口13经管路和水泵14连接至建筑楼层17的用户端15，为建筑楼层17供热水；储热水箱5顶部设有储热水箱冷水进口16，用于及时补充储热水箱5补充消耗掉的热水。储热水箱5的底部为保温层6。储热水箱热水出口13经管路连接至多个并联的用户端15。柔性电池片3通过电线连接至电网。An ultra-large flexible photovoltaic photothermal-water tank hot water drying system includes a cylindrical hot water storage tank 5, a photovoltaic photothermal layer 2 on the outer wall of the hot water storage tank 5, and the photovoltaic photothermal layer 2 includes flexible cells 3. and the heat absorbing plate 4, the outer wall surface of the hot water storage tank 5 is bonded to the backlight surface of the heat absorbing plate 4, and the heat absorbing plate 4 heats the internal cold water through the wall surface of the hot water storage tank 5; the flexible battery sheet 3 and the heat absorbing plate The light-absorbing surfaces of 4 are combined together by hot melt adhesive lamination, and the photovoltaic photothermal layer 2 is used to absorb and convert solar energy to provide electrical energy and thermal energy for the system; the outer surface away from the hot water storage tank 5 is provided with a semi-cylindrical transparent plate 0 , the transparent plate 0 and the hot water storage tank 5 are arranged concentrically. Transparent plate 0 is an acrylic plate. An air layer 1 is arranged between the transparent plate 0 and the photovoltaic photothermal layer 2, and the air layer 1 is used for heat insulation or as an air passage; A fan 8 is installed at the inlet 9, the air duct outlet 10 is connected to the drying room 12 through a pipeline, an air duct inlet baffle 7 is arranged at the air duct inlet 9, and an air duct outlet baffle 11 is arranged at the air duct outlet 10 to store heat. The bottom of the water tank 5 is provided with a hot water outlet 13 of the hot water storage tank, and the hot water outlet 13 of the hot water storage tank is connected to the user terminal 15 of the building floor 17 through a pipeline and a water pump 14 to supply hot water for the building floor 17; The top of 5 is provided with a cold water inlet 16 of the hot water storage tank, which is used to replenish the consumed hot water in the hot water storage tank 5 in time. The bottom of the hot water storage tank 5 is an insulating layer 6 . The hot water outlet 13 of the hot water storage tank is connected to a plurality of parallel user terminals 15 through pipelines. The flexible battery sheet 3 is connected to the grid by wires.

本实施例还提供一种所述的超大型柔性光伏光热-水箱热水干燥系统的工作方法，其为：如图2所示，在非采暖季，风道入口挡板7、风道出口挡板11和风扇8关闭，光照穿过透明板0照射在光伏光热层2上，一部分光照被柔性电池片3吸收转化为电能并输送至电网；另一部分被光伏光热层2转化为热能并通过储热水箱5壁面进入水箱，储热水箱5内的水以自然对流换热形式对壁面进行冷却吸热，水温不断上升；当水达到使用要求温度后，储热水箱5通过储热水箱热水出口13和用户端15为建筑楼层提供热水，而储热水箱冷水进口16及时补充冷水填满储热水箱5；This embodiment also provides a working method of the super-large flexible photovoltaic photothermal-water tank hot water drying system, which is as follows: as shown in FIG. The baffle 11 and the fan 8 are closed, the light passes through the transparent plate 0 and irradiates on the photovoltaic photothermal layer 2, a part of the light is absorbed by the flexible cell 3 and converted into electrical energy and sent to the power grid; the other part is converted into thermal energy by the photovoltaic photothermal layer 2 And enter the water tank through the wall of the hot water storage tank 5, the water in the hot water storage tank 5 cools and absorbs heat on the wall surface in the form of natural convection heat exchange, and the water temperature continues to rise; when the water reaches the required temperature, the hot water storage tank 5 passes through. The hot water outlet 13 of the hot water storage tank and the user terminal 15 provide hot water for the building floor, and the cold water inlet 16 of the hot water storage tank replenishes the cold water to fill the hot water storage tank 5 in time;

如图3所示，在采暖季，风道入口挡板7、风道出口挡板11和风扇8开启，储热水箱5内的水放空，柔性电池片3在发电并网的同时室外冷空气在风扇8的推动下进入空气层1，冷空气在空气层1中由下到上以强制对流换热形式冷却光伏光热层2，降低柔性电池片3的工作温度并同时获得高温气体，热空气由风道出口10进入干燥房12并对干燥房12内部的衣物进行干燥。As shown in FIG. 3 , in the heating season, the air duct inlet baffle 7, the air duct outlet baffle 11 and the fan 8 are opened, the water in the hot water storage tank 5 is emptied, and the flexible battery 3 is cooled outside while generating electricity and connecting to the grid. The air enters the air layer 1 driven by the fan 8, and the cold air cools the photovoltaic photothermal layer 2 in the form of forced convection heat exchange from bottom to top in the air layer 1, reduces the working temperature of the flexible cell 3 and obtains high-temperature gas at the same time, The hot air enters the drying room 12 from the air duct outlet 10 and dries the clothes inside the drying room 12 .

以上结合附图对本发明的实施例进行了详细阐述，但是本发明并不局限于上述的具体实施方式，上述具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本发明的启示下，不脱离本发明宗旨和权利要求所保护范围的情况下还可以做出很多变形，这些均属于本发明的保护。The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific embodiments. The above-mentioned specific embodiments are only illustrative rather than restrictive. Under the inspiration of the present invention, many modifications can be made without departing from the spirit of the present invention and the protection scope of the claims, which all belong to the protection of the present invention.

Claims (9)

1. The utility model provides a flexible photovoltaic light and heat-water tank hot water drying system of ultra-large-scale which characterized in that: the solar photovoltaic and photothermal solar water heater comprises a cylindrical heat storage water tank (5), wherein a photovoltaic photothermal layer (2) is arranged on the outer wall surface of the heat storage water tank (5), the photovoltaic and photothermal layer (2) comprises a flexible battery piece (3) and a heat absorbing plate (4), the backlight surface of the heat absorbing plate (4) is bonded on the outer wall surface of the heat storage water tank (5), and the heat absorbing plate (4) heats absorbed heat to internal cold water through the wall surface of the heat storage water tank (5); a flexible battery piece (3) is fixed on a light absorption surface of the heat absorption plate (4), and the photovoltaic photothermal layer (2) is used for absorbing and converting solar energy to provide electric energy and heat energy for a system; a semi-cylindrical transparent plate (0) is arranged on the outer surface far away from the heat storage water tank (5), an air layer (1) is arranged between the transparent plate (0) and the photovoltaic photo-thermal layer (2), and the air layer (1) is used for heat insulation or serves as an air channel; an air duct inlet (9) and an air duct outlet (10) are respectively arranged at the lower part and the upper part of the transparent plate (0), a fan (8) is arranged at the air duct inlet (9), the air duct outlet (10) is connected with a drying room (12) through a pipeline, an air duct inlet baffle (7) is arranged at the air duct inlet (9), an air duct outlet baffle (11) is arranged at the air duct outlet (10), a hot water outlet (13) of a heat storage water tank is arranged at the bottom of the heat storage water tank (5), and the hot water outlet (13) of the heat storage water tank is connected to a user end (15) of a building floor (17) through a pipeline and a water pump (14) to supply; the top of the heat storage water tank (5) is provided with a cold water inlet (16) of the heat storage water tank, and the cold water inlet is used for supplementing consumed hot water to the heat storage water tank (5) in time.
2. The ultra-large flexible photovoltaic photo-thermal-water tank hot water drying system of claim 1, characterized in that: the transparent plate (0) is an acrylic plate.
3. The ultra-large flexible photovoltaic photo-thermal-water tank hot water drying system of claim 1, characterized in that: the flexible battery piece (3) and the light absorption surface of the heat absorption plate (4) are combined together in a hot melt adhesive laminating mode.
4. The ultra-large flexible photovoltaic photo-thermal-water tank hot water drying system of claim 1, characterized in that: the bottom of the heat storage water tank (5) is provided with a heat preservation layer (6).
5. The ultra-large flexible photovoltaic photo-thermal-water tank hot water drying system of claim 1, characterized in that: the transparent plate (0) and the heat storage water tank (5) are arranged concentrically.
6. The ultra-large flexible photovoltaic photo-thermal-water tank hot water drying system of claim 1, characterized in that: the heat absorbing plate (4) is in a semi-cylindrical shape concentrically arranged with the heat storage water tank (5).
7. The ultra-large flexible photovoltaic photo-thermal-water tank hot water drying system of claim 1, characterized in that: the hot water outlet (13) of the hot water storage tank is connected to a plurality of user terminals (15) which are connected in parallel through pipelines.
8. The ultra-large flexible photovoltaic photo-thermal-water tank hot water drying system of claim 1, characterized in that: the flexible battery piece (3) is connected to the power grid through a wire.
9. The method of operating an ultra-large flexible photovoltaic photo-thermal-tank hot water drying system of any one of claims 1 to 8, characterized in that: in non-heating seasons, the air duct inlet baffle (7), the air duct outlet baffle (11) and the fan (8) are closed, illumination passes through the transparent plate (0) and irradiates on the photovoltaic photo-thermal layer (2), and part of illumination is absorbed by the flexible battery piece (3) and converted into electric energy and is transmitted to a power grid; the other part of the water is converted into heat energy by the photovoltaic photo-thermal layer (2) and enters the water tank through the wall surface of the heat storage water tank (5), the water in the heat storage water tank (5) cools and absorbs heat to the wall surface in a natural convection heat exchange mode, and the water temperature rises continuously; when the water reaches the use requirement temperature, the heat storage water tank (5) provides hot water for the building floor through a hot water outlet (13) of the heat storage water tank and a user terminal (15), and a cold water inlet (16) of the heat storage water tank supplies cold water in time to fill the heat storage water tank (5);
in the heating season, an air duct inlet baffle (7), an air duct outlet baffle (11) and a fan (8) are opened, water in a heat storage water tank (5) is emptied, the flexible battery pieces (3) are used for generating and grid-connected, outdoor cold air enters an air layer (1) under the pushing of the fan (8), the cold air cools a photovoltaic solar heat layer (2) in the air layer (1) from bottom to top in a forced convection heat exchange mode, the working temperature of the flexible battery pieces (3) is reduced, high-temperature gas is obtained at the same time, and hot air enters a drying room (12) from an air duct outlet (10) and dries clothes in the drying room (12).
CN202010748992.1A 2020-07-30 2020-07-30 Ultra-large flexible photovoltaic photothermal-water tank hot water drying system and working method Pending CN111750412A (en)

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Application publication date: 20201009