CN105048960B - The energy composite energy of absorption heat pump based on photovoltaic back waste heat recovery utilizes device - Google Patents

The energy composite energy of absorption heat pump based on photovoltaic back waste heat recovery utilizes device Download PDF

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Publication number
CN105048960B
CN105048960B CN201510560773.XA CN201510560773A CN105048960B CN 105048960 B CN105048960 B CN 105048960B CN 201510560773 A CN201510560773 A CN 201510560773A CN 105048960 B CN105048960 B CN 105048960B
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China
Prior art keywords
photovoltaic
heat
energy
heat pump
liquid pump
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CN201510560773.XA
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Chinese (zh)
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CN105048960A (en
Inventor
白建波
罗朋
彭俊
李洋
石坤
陶卫东
王宏强
刘演华
曹飞
张臻
章国芳
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河海大学常州校区
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/20Adapting or protecting infrastructure or their operation in buildings, dwellings or related infrastructures
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/60Thermal-PV hybrids

Abstract

Device is utilized the invention discloses the energy composite energy of the absorption heat pump based on photovoltaic back waste heat recovery, including photovoltaic thermal coupling apparatus, heat pump circuit and water cooling labyrinth, the refrigerating circuit includes generator, absorber, the first liquid pump, first throttle valve and solution heat exchanger, and the water cooling labyrinth includes condenser, boiler, second throttle, cold water storage cistern, the second liquid pump and the 3rd choke valve.It is an object of the invention to not only reclaim the thermal source using photovoltaic battery panel, and the temperature of solar panel is significantly reduced, the generating conversion efficiency of solar energy is improved, so as to improve photovoltaic module comprehensive utilization ratio.

Description

The energy composite energy of absorption heat pump based on photovoltaic back waste heat recovery utilizes device

Technical field

Device is utilized the present invention relates to the energy composite energy of the absorption heat pump based on photovoltaic back waste heat recovery, belongs to the sun Can technical field of photovoltaic power generation.

Background technology

New energy is most to determine one of five big technical fields of power in 21st century development of world economy.China has The new and renewable sources of energy resource such as abundant solar energy, wind energy, biomass energy, geothermal energy and ocean energy, before exploitation Scape is wide.Solar energy is a kind of cleaning, efficiently and the never new energy of exhaustion.Newly, in practice, national governments are all by solar energy The utilization of resources as National Sustainable Development Strategies important content.And photovoltaic generation has safe and reliable, noiseless, without dirt Dye, restrict less, low fault rate, easy maintenance the advantages of, in the various and sparsely populated reality of the western length and breadth of land severe cold of China, landform Under the conditions of, there play the role of to be very unique.Solar energy has had now much to be applied, such as with solar cell for supplying power Satellite, solar cell aircraft, solar cell garden lamp, solar cell traffic lights.

The development of solar-photovoltaic technology, is mainly influenceed by solar cell photoelectric conversion efficiency.Solar panel Conversion efficiency according to the difference of manufacturer, there is also very big difference, typically between 10% ~ 20%.Photovoltaic is imitated Rate it is low, directly influence the development and utilization of solar energy.Solar panel in the presence of solar radiation when working, PV Plate temperature, the influence to solar panel is larger.Photovoltaic solar cell plate can be because temperature is too high and causes efficiency to reduce. For the photovoltaic panel of a standard, temperature often rises 1 degree Celsius, and efficiency will decline 0.5%.In summary, solar cell Plate presently, there are some shortcomings:The conversion efficiency of solar panel is low, and the expansion that govern heliotechnics is utilized;Solar energy PV plates, when long-time receives illumination effect, the temperature on surface is higher, restricts the conversion efficiency of solar panel;Individually Photovoltaic generation has photovoltaic generation high cost, shortage technology and blended;The defects such as the immature development of photovoltaic thermal technology.

The content of the invention

The energy composite energy for the absorption heat pump based on photovoltaic back waste heat recovery that the present invention is provided utilizes device, not only returns The high temperature heat source using photovoltaic battery panel has been received, and has significantly reduced the temperature of solar panel, the hair of solar energy is improved Photoelectric transformation efficiency, so as to improve photovoltaic module comprehensive utilization ratio.

The energy composite energy of absorption heat pump based on photovoltaic back waste heat recovery utilizes device, including photovoltaic thermal coupling dress Put, heat pump circuit and water cooling labyrinth, wherein,

The heat pump circuit includes generator, absorber, the first liquid pump, first throttle valve and heat exchanger, the absorption Device absorbs to be transported in generator from photovoltaic thermal coupling apparatus Low pressure steam by the first liquid pump through heat exchanger, the hair Absorbing liquid in raw device is transported in absorber through heat exchanger by first throttle valve;

The water cooling labyrinth includes condenser, boiler, second throttle, cold water storage cistern, the second liquid pump and the 3rd choke valve, The vapor that generator comes out in the heat pump circuit enters in condenser, the condenser, boiler, second throttle, cold Water tank and the second liquid pump are linked in sequence, and form loop, and the 3rd choke valve is arranged on condenser is connected with liquid pump one End, for connecting photovoltaic thermal coupling apparatus.

Preferably, the photovoltaic thermal coupling apparatus is partly embedded to conduit including solar panel, integrated plate for heat insulation, manifold type Net, heat-preservation cotton, inlet and outlet, the manifold type half are embedded to conduit network side and fitted with the solar panel, opposite side Fitted with the side of the integrated plate for heat insulation, the heat-preservation cotton is laid on the surface of integrated plate for heat insulation opposite side, the import and Outlet is separately positioned on the diagonal angle that manifold type half is embedded to conduit network.

Preferably, the refrigerant that the heat pump circuit is used is water, and absorbent is lithium bromide.

Preferably, the boiler is provided with hot water outlet, and the cold water storage cistern is provided with cold water inlet.

Preferably, the integrated plate for heat insulation is TDD integrated plate for heat insulation.

Preferably, the manifold type half, which is embedded to conduit network, includes thermal conductive metal plate and endothermic catheter, the endothermic catheter one In half embedment thermal conductive metal plate, a semi-convex thermal conductive metal plate is outer and forms linear contact lay with integrated plate for heat insulation.

The present invention provides a kind of based on the PV plate cooling devices for improving photovoltaic efficiency, significantly reduces solar energy The temperature of cell panel, improves the generating conversion efficiency of solar energy, so as to improve photovoltaic module comprehensive utilization ratio.

Brief description of the drawings

Fig. 1 is overall system architecture flow chart of the invention.

Fig. 2 is the structural representation of the photovoltaic thermal coupling apparatus of the present invention.

Fig. 3 is the sectional view of the photovoltaic thermal coupling apparatus of the present invention.

Embodiment

In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation Example only some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, this area is common The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to the application protection Scope.

The energy composite energy of absorption heat pump based on photovoltaic back waste heat recovery utilizes device, including photovoltaic thermal coupling dress Put, heat pump circuit and water cooling labyrinth, wherein,

The heat pump circuit includes generator, absorber, the first liquid pump, first throttle valve and heat exchanger, the absorption Device absorbs to be transported in generator from photovoltaic thermal coupling apparatus Low pressure steam by the first liquid pump through heat exchanger, the hair Absorbing liquid in raw device is transported in absorber through heat exchanger by first throttle valve;

The water cooling labyrinth includes condenser, boiler, second throttle, cold water storage cistern, the second liquid pump and the 3rd choke valve, The vapor that generator comes out in the heat pump circuit enters in condenser, the condenser, boiler, second throttle, cold Water tank and the second liquid pump are linked in sequence, and form loop, and the 3rd choke valve is arranged on condenser is connected with liquid pump one End, for connecting photovoltaic thermal coupling apparatus.

Preferably, the photovoltaic thermal coupling apparatus is partly embedded to conduit including solar panel, integrated plate for heat insulation, manifold type Net, heat-preservation cotton, inlet and outlet, the manifold type half are embedded to conduit network side and fitted with the solar panel, opposite side Fitted with the side of the integrated plate for heat insulation, the heat-preservation cotton is laid on the surface of integrated plate for heat insulation opposite side, the import and Outlet is separately positioned on the diagonal angle that manifold type half is embedded to conduit network.

Preferably, the refrigerant that the heat pump circuit is used is water, and absorbent is lithium bromide.

Preferably, the boiler is provided with hot water outlet, and the cold water storage cistern is provided with cold water inlet.

Preferably, the integrated plate for heat insulation is TDD integrated plate for heat insulation.

Preferably, the manifold type half, which is embedded to conduit network, includes thermal conductive metal plate and endothermic catheter, the endothermic catheter one In half embedment thermal conductive metal plate, a semi-convex thermal conductive metal plate is outer and forms linear contact lay with integrated plate for heat insulation.

The specific work process of the present invention is as follows:

In heat pump circuit, on the one hand using the lithium bromide absorption agent in absorber by photovoltaic thermal coupling apparatus exit Low pressure steam absorbs with a small amount of water, and is transported to by liquid pump through heat exchanger in generator, the heated water made in solution Steam is discharged with high-pressure gaseous, in feeding condenser;On the other hand, the lithium-bromide solution after generation is after cooling, throttling As having absorbent absorbing liquid, into absorber, the Low pressure steam from photovoltaic coupling device is absorbed, is simultaneously Prevent the absorbing liquid temperature too high and ensure being smoothed out for absorption process, the thermal source discharged in absorption process is situated between using cooling Matter(Air or water)Cooling.

In water cooling labyrinth, cooling water, through liquid pump, is imported in condenser in cold water storage cistern, is made from generator enters condenser Water vapor condensation be liquefied as highly pressurised liquid, after being throttled through choke valve in photovoltaic thermal coupling apparatus evaporation endothermic and reach cooling The effect of PV plates.Meanwhile, the heat absorption that cold water will discharge during condensation liquefaction, temperature rise is stored in boiler, one Part through hot water outlet for life needed for, a part when cold water storage cistern temperature it is too low, or freezing in the case of through choke valve import it is cold In water tank, cold water storage cistern temperature stabilization is maintained, so that system working stability, and is ensured, will not be because of in winter cold water storage cistern and conduit Temperature is too low and freezes, and influences normal work.

The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention. A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one The most wide scope caused.

Claims (4)

1. the energy composite energy of the absorption heat pump based on photovoltaic back waste heat recovery utilizes device, it is characterised in that:Including photovoltaic Thermal coupling apparatus, heat pump circuit and water cooling labyrinth, wherein,
The heat pump circuit includes generator, absorber, the first liquid pump, first throttle valve and heat exchanger, and the absorber is inhaled Receipts are transported in generator from photovoltaic thermal coupling apparatus Low pressure steam by the first liquid pump through heat exchanger, the generator In absorbing liquid be transported to through heat exchanger by first throttle valve in absorber;
The water cooling labyrinth includes condenser, boiler, second throttle, cold water storage cistern, the second liquid pump and the 3rd choke valve, described The vapor that generator comes out in heat pump circuit enters in condenser, the condenser, boiler, second throttle, cold water storage cistern It is linked in sequence with the second liquid pump, and forms loop, the 3rd choke valve is arranged on one end that condenser is connected with liquid pump, is used In connection photovoltaic thermal coupling apparatus;
The photovoltaic thermal coupling apparatus including solar panel, integrated plate for heat insulation, manifold type be partly embedded to conduit network, heat-preservation cotton, Inlet and outlet, the manifold type half is embedded to conduit network side and fitted with the solar panel, opposite side and the insulation The side laminating of integrated board, the heat-preservation cotton is laid on the surface of integrated plate for heat insulation opposite side, and the inlet and outlet is set respectively Put the diagonal angle that conduit network is embedded in manifold type half;
The manifold type half, which is embedded to conduit network, includes thermal conductive metal plate and endothermic catheter, the endothermic catheter half embedment heat conduction gold Belong in plate, a semi-convex thermal conductive metal plate is outer and forms linear contact lay with integrated plate for heat insulation.
2. the energy composite energy of the absorption heat pump according to claim 1 based on photovoltaic back waste heat recovery utilizes device, It is characterized in that:The refrigerant that the heat pump circuit is used is water, and absorbent is lithium bromide, by the low product thermal source of solar panel High product thermal source is converted to, heating water is stored in boiler.
3. the energy composite energy of the absorption heat pump according to claim 1 based on photovoltaic back waste heat recovery utilizes device, It is characterized in that:The boiler is provided with hot water outlet, and the cold water storage cistern is provided with cold water inlet.
4. the energy composite energy of the absorption heat pump according to claim 1 based on photovoltaic back waste heat recovery utilizes device, It is characterized in that:The integrated plate for heat insulation is TDD integrated plate for heat insulation.
CN201510560773.XA 2015-09-06 2015-09-06 The energy composite energy of absorption heat pump based on photovoltaic back waste heat recovery utilizes device CN105048960B (en)

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CN106371466B (en) * 2016-09-30 2019-03-15 河海大学常州校区 A kind of solar energy tracing method based on double-side cell array
CN106907680A (en) * 2017-04-05 2017-06-30 云南品森科技有限公司 A kind of method of solar energy lithium battery streetlamp photo-thermal auxiliary heating
CN108344187B (en) * 2017-12-22 2019-07-05 湖北工业大学 Optically focused based on absorption heat pump-light splitting type photovoltaic/photothermal integration system
CN109268142A (en) * 2018-08-31 2019-01-25 国家能源投资集团有限责任公司 Cogeneration cooling heating system

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CN2929596Y (en) * 2006-07-17 2007-08-01 祝建军 Absorptive heat pump system for recovering waste heat from power plant, printing and dyeing, oil field and pharmaceutical industries
CN202532585U (en) * 2012-02-20 2012-11-14 华电能源股份有限公司佳木斯热电厂 Central heating system for recovering exhaust condensation heat by adopting absorption type heat pump
CN103368463A (en) * 2013-07-24 2013-10-23 上海祯阳新能源科技有限公司 Solar photovoltaic and photothermal integrated cell module and charging device

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CN202532585U (en) * 2012-02-20 2012-11-14 华电能源股份有限公司佳木斯热电厂 Central heating system for recovering exhaust condensation heat by adopting absorption type heat pump
CN103368463A (en) * 2013-07-24 2013-10-23 上海祯阳新能源科技有限公司 Solar photovoltaic and photothermal integrated cell module and charging device

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