CN101738001A - Composite energy system of solar energy, ground source heat pump and chilled water storage - Google Patents

Composite energy system of solar energy, ground source heat pump and chilled water storage Download PDF

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CN101738001A
CN101738001A CN200910201392A CN200910201392A CN101738001A CN 101738001 A CN101738001 A CN 101738001A CN 200910201392 A CN200910201392 A CN 200910201392A CN 200910201392 A CN200910201392 A CN 200910201392A CN 101738001 A CN101738001 A CN 101738001A
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cold
hot water
energy
storage tank
electric
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明岗
夏才初
吴喜平
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Tongji University
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Tongji University
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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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/40Geothermal heat-pumps
    • 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
    • Y02E10/10Geothermal energy
    • 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
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • 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
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

Abstract

A composite energy system of solar energy, ground source heat pump and chilled water storage comprises an air conditioner, a domestic hot water supply device, one or more device (hereinafter referred to as host) of a solar energy heat-collecting device, a heat storage water tank unit, a cold storage water tank unit and a ground source heat pump system, a ground heat exchanger, an auxiliary heating device, a circulating water pump, a first electric three-way valve, a second electric three-way valve, a first electric two-way valve and a second electric two-way valve, wherein the circulating water pump is communicated with the air conditioner, and the auxiliary heating device is communicated with the domestic hot water supply device. The invention fully utilizes renewable energy sources such as solar energy, geothermal energy and biomass energy to masterly combine the ground source heat pump air-conditioning system with the solar energy hot water system and the chilled water storage system and construct a comprehensive energy system combined by the domestic hot water system, the ground source heat pump, the chilled water storage air-conditioning system and the like; and the invention is completely combined with the entire building so as to greatest reduce the floor space and the investment and increase the energy efficiency and economic performance of the system.

Description

The energy composite energy system of a kind of solar energy, earth source heat pump and water cold-storage
Technical field
The invention belongs to energy field, relate to power generation system, especially reproducible energy resource system.
Background technology
Earth source heat pump utilizes underground or proximity water source temperature constant relatively, the characteristics that thermal capacity is higher, be discharged to the circulate heat of required discharging of air conditioner refrigerating underground in summer, the heat of required absorption of in the winter time air conditioner refrigerating being circulated takes out from soil or proximity water source again, reaches the purpose that improves cooling and warming efficient in summer in winter simultaneously.Current, domestic soil source earth source heat pump is with fastest developing speed, and the Largest Single Item engineering uses construction area to reach 130,000 square metres.Statistics shows that 2005, the application area of China's earth-source hot-pump system was about 3,000 ten thousand square metres, and this numeral is to rising to 8,000 ten thousand in 2007.The newly-increased application area of China's earth-source hot-pump system in 2008 is more than 3,000 ten thousand square metres, and the speed of development in China earth source heat pump market is beyond imagination.Earth source heat pump also runs into load unbalanced in development, takes up an area of problems such as big, and singly examine the solution of earth-source hot-pump system increase auxiliary heat dissipation itself and not only invest greatly, nor energy-conservation, therefore must explore better scheme.
Under market economic development, national economy structural adjustment, great changes have taken place in the electrical network power structure, air-conditioning, the refrigeration become the peak electricity consumption mainly to the picture, especially in summer, a large amount of uses of air-conditioning make it originally has been load surge peak period of undaform electric load, and the electric load difference between peak and low ebb increases day by day.The present supply of electric power situation of China exists three principal contradictions: 1) compare with world level, installed capacity is far above developed country, and level and electricity unit yearly load factor are far below the contradiction of developed country's level; 2) in the whole nation in the scope, the contradiction between high and equipment of generating set installed capacity and electrical network utilization rate are hanged down; 3) most of urban distribution network peak power are not enough, the contradiction that valley power is have more than is needed.Several developed countries average year rate of load condensate is 66.6%, and China is less than 57% (2004 is 56.7%) still at present, and gap is fairly obvious.Above-mentioned data declaration, China's fired power generating unit on average utilize hourage lower, and according to incompletely statistics, the whole nation nearly GW more than 20 installation only load peak load operation hundreds of hours, causes the generating resource very big idle.
The cold-storage technology is to utilize electrical network electricity price low-valley interval, with refrigeration machine cold is stored in advance, discharges the power consumption when subduing peak of power consumption when treating the electricity consumption peak, plays the effect to electric load " peak load shifting ".The cold-storage technology of current energy large-scale engineering applications mainly contains ice cold-storage and water cold-storage, the latent heat of phase change of ice cold-storage utilization ice comes cold-storage, therefore, cold-storage device is little, realizes big temperature difference cooling easily, but owing to need the temperature of refrigeration low, therefore " duplexing condition " refrigeration unit that not only needs ice making simultaneously and confession chilled water, and during ice making because lower evaporating temperature causes refrigerating efficiency to descend obviously, and power consumption increases, scolded often to be " not power saving saves money ".The water cold-storage is not iced the problem that the cold-storage refrigerating efficiency obviously descends, but because the sensible heat cold-storage has a narrow range of temperature, therefore needs bigger water storage pool.Although itself does not reduce energy consumption the cold-storage technology, can make energy consumption that in various degree increase is arranged on the contrary, but because it passes through balancing power network load, the average generating efficiency of power plant in the time of improving the electric load low ebb, reduce the conveyance loss on power network line when the electric power peak, therefore, has an important positive role to energy-conservation on the whole.
China is maximum in the world solar water heater producing country and country of consumption, and annual production is near 1,200 ten thousand square metres (calculating by collector area), and the accumulative total installation reached 6,000 ten thousand square metres in 2004.China is also opening up the export market of solar water heater simultaneously.In in the past 6 years, the annual average rate of increase of Chinese solar water heater production has reached 28%, 2004 gross annual output value near 2,000,000,000 dollars.As a comparison, 15 countries of European Union in 2003 have only produced 1,400,000 square metres solar water heating system, and the accumulative total installation also has only 1,400 ten thousand square metres.Worldwide, the calendar year 2001 statistics that a research of International Energy Agency (IEA) provides shows, the erection space that the whole world amounts to solar thermal collector is 100,000,000 square metres, and the country that comes anteposition is China (3,200 ten thousand square metres), U.S.'s (2,340 ten thousand square metres), Japan's (1,210 ten thousand square metres) and Europe (1,120 ten thousand square metres).Compare with some country, as Austria, Greece and Israel, the relative market share of Chinese solar water heater (having heat collector area with every qianhu offices calculates) is still less.If the resident of China 1/4th uses solar water heater, the year two thousand twenty will bring 2.7 hundred million square metres market for whole industry, and this also is the target of Chinese Government.No matter be photovoltaic or solar water heater industry, main flow trend in the future is development solar integration Building technology.Building integration system attractive in appearance, from the urban environment angle, vast consumer and municipal administration all are ready to accept these technology.Along with the rising of energy prices and the increase of public demand, particularly in current building industry very prosperous period, the developer has begun to consider the installation solar water heater in design and construction period.Relevant technologies standard, government-invested projects such as construction standards and test and authentication center also move to maturity in this industry of help.Solar water heater launches competition comprehensively with conventional water heaters in the technology maturation area.Main problem is unstable in the Application of Solar Energy, and is very big with factors vary such as night on daytime, day fine rainy, winters in summer, and the energy that needs other form as a supplement.
Yet there are no the method that adopts this patent: energy resource system and building integral are fully merged, utilization and building diaphragm wall and pile foundation pipe laying etc. be the pipe laying heat exchanger structurally, utilize " paddy " to carry out cold-storage in the period that does not need air-conditioning, and underground heat exhaust in the daytime in time is converted into hot water supply system's heat, both " cold and hot two " all was used, improve energy utilization efficiency, alleviated ground temperature accumulation raise the ground origin system decrease in efficiency brought and the problem that enlarges day by day of electrical peak load and night electricity low ebb load difference in the daytime again; Simultaneously, cold-storage water tank and fire cistern are share, make the water cold-storage take up an area of bigger shortcoming and obtained remedying.Whole energy system not only takes up an area of few, and makes full use of regenerative resources such as solar energy, geothermal energy, biomass energy, and hot water supply system and air-conditioning system is compound, and system effectiveness improves greatly.
Summary of the invention
The present invention seeks to design a kind of renewable energy system with high energy efficiency, it with the combination of technology such as solar energy optical-thermal, water cold-storage and geothermal heat pump air-conditioner and building, combine together, comprehensive utilization new forms of energy (as solar energy, biomass energy and geothermal energy etc.), realize freeze summer winter heating, four seasons hot-water supply, the efficiency of building is improved greatly, have the significant social economic and environmental benefit.
For reaching above purpose, solution of the present invention is:
The energy composite energy system of a kind of solar energy, earth source heat pump and water cold-storage, comprise the solar energy heat collector that abbreviates main frame as, hot water storage tank unit, cold-storage tank unit, earth-source hot-pump system wherein one or more; Buried pipe in pipe, assisted heating device, water circulating pump, first electric T-shaped valve, second electric T-shaped valve, first two-way electronic valve, second two-way electronic valve, be communicated with air-conditioning by water circulating pump, be communicated with domestic hot-water supply equipment by assisted heating device; First electric T-shaped valve, three ends connect hot water storage tank unit, earth-source hot-pump system and buried pipe in pipe respectively, second electric T-shaped valve, three ends are ground connection source heat pump system, water circulating pump and second two-way electronic valve respectively, the first two-way electronic valve two ends connect hot water storage tank unit and second electric T-shaped valve and second two-way electronic valve respectively, and the second two-way electronic valve two ends connect cold-storage tank unit and second electric T-shaped valve and first two-way electronic valve respectively; The hot water storage tank unit joins with assisted heating device, solar energy heat collector, first electric T-shaped valve and first two-way electronic valve respectively.
Further, described buried pipe in pipe adopts the heat exchanger of pipe laying structurally that combines with building diaphragm wall and pile foundation pipe laying.
It is fuel that described assisted heating device adopts the gaseous mixture of natural gas and biogas.
Described cold-storage water tank adopts the form of share with the structural fire protection pond.
The application of described energy composite energy system: at night in summer, the host computer using valley power stores cold in the cold-storage water tank, and heat radiation side preferentially stores heat in hot water storage tank simultaneously, and unnecessary heat or cold are arranged in underground by buried pipe in pipe; Air-conditioning peak period on daytime, the preferential cold that discharges cold-storage, not enough air conditioner load is supplied by earth source heat pump main frame refrigeration, simultaneously the solar thermal collector accumulation of heat, further improve the hot water temperature in the hot water storage tank, the hot water of temperature stabilization is provided by assisted heating device at last.
At night in winter, the host computer using valley power stores heat in hot water storage tank, and cold junction side cold is arranged in underground by buried pipe in pipe simultaneously; Air-conditioning peak period on daytime, the preferential heat that discharges hot water storage tank, not enough air conditioner load is heated by the earth source heat pump main frame to be supplied, simultaneously the solar thermal collector accumulation of heat, further improve the hot water temperature in the hot water storage tank, the hot water of temperature stabilization is provided by assisted heating device at last.
Owing to adopted technique scheme, the present invention has the following advantages:
1. geothermal heat pump air-conditioning system, solar water heating system are combined with chilled water storage system, constituted the energy resource system of the synthesization that hot water supply system, geothermal heat pump air-conditioning system etc. combine.This system utilizes regenerative resource characteristics separately such as solar energy, underground heat to have complementary advantages, daytime refrigeration, night, cold-storage and the mode that heats water solved better not only that geothermal heat pump air-conditioning system is hot and cold load unbalancedly to cause the ground temperature accumulation to be risen, thereby the problem that system effectiveness is progressively descended, so efficient can improve greatly;
2. cold-storage or accumulation of heat under the low ebb electricity price in night, the air-conditioning peak hours in next day discharges, and not only saves the electricity charge, alleviates electrical peak load greatly, can both play a positive role to the rationalization of whole network load and the raising of efficient;
3. avoided because the variation of little ecology in local mummification of the soil that the water translocation that produces under long-time action of thermal difference produces and the soil;
4. use and build the method for pipe laying heat exchanger structurally such as diaphragm wall and pile foundation, overcome traditional perpendicularly buried pipe and horizontal shallow-layer pipe laying preferably and taken up an area of big shortcoming, the principle that meets land consolidation use in the Chinese new countryside construction is easier to apply in the vast rural area of China.
5. utilize the cold-storage water tank to combine, reduced occupation of land demand and construction cost greatly with fire cistern.
6. this patent energy adopts the gaseous mixture of natural gas and biogas, it can make full use of important renewable energy, avoided again equipment job insecurity that the biogas production instability brings and with the problem of the compatibility of existing batch device, be easy to apply in the ecological cities and towns of Chinese countryside.
7. because the raising of efficiency of energy utilization has reduced the discharging of CO2 greatly.
Description of drawings
Fig. 1 is the composite reproducible energy resource system structure chart of solar energy, earth source heat pump and water cold-storage;
Fig. 2 is that the composite reproducible energy resource system of solar energy, earth source heat pump and water cold-storage is specifically implemented figure.
The specific embodiment
The present invention makes full use of regenerative resources such as solar energy, geothermal energy, biomass energy, with geothermal heat pump air-conditioning system, solar water heating system and chilled water storage system is ingenious combines, constituted the energy resource system of the synthesization that hot water supply system, earth source heat pump and water chilling air conditioning system etc. combine.Fully merge with building integral simultaneously, reduced most possibly to take up an area of and investment, the efficiency of system and economy are greatly improved.
The present invention is further illustrated below in conjunction with the accompanying drawing illustrated embodiment.
As shown in Figure 1, this renewable energy system comprise assisted heating device 1, hot water storage tank unit 2, earth-source hot-pump system 3, cold-storage tank unit 4, solar energy heat collector 5, first electric T-shaped valve 7 and second electric T-shaped valve 8 of pipe laying heat exchange unit 6, control automatically, the water circulating pump 9 and first two-way electronic valve 10 and second two-way electronic valve 11.Wherein, hot water storage tank unit 2 comprises hot water storage tank 21, two-way electronic valve 22 equipment such as grade.Earth-source hot-pump system 3 comprises earth source heat pump 31, water pump 32,35, two-way electronic valve 33 equipment such as grade.Cold-storage tank unit 4 comprises cold-storage water tank 41, two-way electronic valve 42 equipment such as grade.Solar energy heat collector 5 comprises equipment such as solar thermal collector 51 and water pump 52.Ground pipe laying heat exchange unit 6 comprises the ground pipe laying heat exchange 61 that combines with diaphragm wall and pile foundation, water collector 63, water knockout drum 62 equipment such as grade, wherein, when branch's loop more after a little while, water collector 63, water knockout drum 62 also can according to circumstances replace with common pipeline.
Night in summer, air-conditioning was stopped transport the period, as shown in Figure 1, second electric T-shaped valve 8 is selected source heat pump system 3 and cold-storage tank unit 4 communicatively, first two-way electronic valve 10 is closed, second two-way electronic valve 11 is opened, earth-source hot-pump system 3 utilizes valley power that the cold that makes is stored in cold-storage tank unit 4, simultaneously, first electric T-shaped valve 7 is selected source heat pump system 3 and hot water storage tank unit 4 communicatively, the heat radiation side of earth-source hot-pump system 3 stores heat in hot water storage tank unit 2 through electronic first triple valve 7, after hot water storage tank unit 2 heats hold foot, first electric T-shaped valve 7 is selected source heat pump system 3 and ground pipe laying heat exchange unit 6 communicatively, and unnecessary heat is arranged in underground through first electric T-shaped valve 7 and buried tube heat exchange unit 6.Simultaneously, in the hot water storage tank unit 2 supply water the hot water of temperature stabilization be provided for fuel assisted heating device 1 by the gaseous mixture that utilizes natural gas or natural gas and biogas in another road.Specific implementation figure as shown in Figure 2, two-way electronic valve 33,42,11 conductings, two-way electronic valve 22,10 close, the F-D end conducting of first electric T-shaped valve 7, the conducting of the A-B of second electric T-shaped valve 8 end, water circulating pump 32 drive the current earth source heat pump 31 of flowing through and obtain colds and cold is stored in the cold-storage water tank 41; Simultaneously, water circulating pump 35 drives current the radiating end of earth source heat pump 31 is implemented cooling, current after being heated enter in the hot water storage tank 21 through the F-D of first electric T-shaped valve 7 end and store, when water temperature is heated to assigned temperature in the hot water storage tank 21, first electric T-shaped valve 7 is converted to the conducting of E-D end, current enter buried pipe in pipe 61 through water knockout drum 62 and unnecessary heat are entered underground, and current return water circulating pump 35 after water collector 63 compiles afterwards.
Air conditioner refrigerating peak period on daytime, as shown in Figure 1, first two-way electronic valve 10 is closed, second two-way electronic valve 11 is opened, second electric T-shaped valve 8 selects to be communicated with air-conditioned room and cold-storage tank unit 4, water circulating pump 9 drives current and preferentially discharges the cold that cold-storage tank unit 4 stores, when the cold of cold-storage tank unit 4 is not enough, second two-way electronic valve 11 becomes closes, second electric T-shaped valve 8 selects to be communicated with air-conditioned room and earth-source hot-pump system 3, air conditioner load switches to earth-source hot-pump system 3 and provides, solar energy heat collector 5 accumulation of heats simultaneously, further improve the hot water temperature of hot water storage tank unit 2, the hot water of temperature stabilization is provided for fuel assisted heating device 1 by the gaseous mixture that utilizes natural gas or natural gas and biogas at last.Specific implementation figure as shown in Figure 2, discharge the stage at cold-storage tank unit 4 colds, two-way electronic valve 42,11 conductings, two-way electronic valve 22,10 close, the A-C end conducting of second electric T-shaped valve 8, and water circulating pump 9 carries the cold water in the cold-storage water tank 41 that air conditioner refrigerating is provided, the air-conditioning backwater is got back to hot water storage tank through two-way electronic valve 42, water temperature rises to uniform temperature in cold-storage water tank 41, two-way electronic valve 42,22,10,11 close, the conducting of the B-C of second electric T-shaped valve 8 end, and water circulating pump 9 and 32 carries the current earth source heat pump 31 of flowing through to obtain colds air conditioner refrigerating is provided.
Air-conditioning heat supply period daytime in winter, as shown in Figure 1, first two-way electronic valve 10 is opened, and second two-way electronic valve 11 is closed, second electric T-shaped valve 8 selects to be communicated with the path of hot water storage tank unit 2 and air-conditioned room, and water circulating pump 9 is carried the hot water supply room air conditioner in the hot water storage tank unit 2; Water temperature drops to uniform temperature in hot water storage tank unit 2, first two-way electronic valve 10 becomes closes, second electric T-shaped valve 8 is selected the path of source heat pump system communicatively 3 and air-conditioned room, and water circulating pump 9 carries the current earth-source hot-pump system 3 of flowing through to obtain heats the air-conditioning heat supply is provided.Meanwhile, first electric T-shaped valve 7 path of selecting source heat pump system communicatively 3 and ground pipe laying heat exchange unit 6 provides heat as the cold junction of earth-source hot-pump system 3.(need to replenish the operation principle of domestic water supply this moment?) as shown in Figure 2 specific implementation figure, two-way electronic valve 42,11 close, two-way electronic valve 22,10 open, the A-C end conducting of second electric T-shaped valve 8, the hot water heating that water pump 9 is carried in the hot water storage tank 21, the air-conditioning backwater is got back to hot water storage tank 21 through two-way electronic valve 22, water temperature drops to uniform temperature in hot water storage tank 21, and two-way electronic valve 22,10 becomes closes, the conducting of the B-C of second electric T-shaped valve 8 end, water pump 9 and 32 carry the current earth source heat pump 31 of flowing through to obtain heats the air-conditioning heat supply is provided.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to the above content that discloses, and improvement of being made under the situation that does not break away from category of the present invention and modification all should be within protection scope of the present invention.

Claims (6)

1. the energy composite energy system of a solar energy, earth source heat pump and water cold-storage is characterized in that: comprise the solar energy heat collector that abbreviates main frame as, hot water storage tank unit, cold-storage tank unit, earth-source hot-pump system wherein one or more; Buried pipe in pipe, assisted heating device, water circulating pump, first electric T-shaped valve, second electric T-shaped valve, first two-way electronic valve, second two-way electronic valve, be communicated with air-conditioning by water circulating pump, be communicated with domestic hot-water supply equipment by assisted heating device; First electric T-shaped valve, three ends connect hot water storage tank unit, earth-source hot-pump system and buried pipe in pipe respectively, second electric T-shaped valve, three ends are ground connection source heat pump system, water circulating pump and second two-way electronic valve respectively, the first two-way electronic valve two ends connect hot water storage tank unit and second electric T-shaped valve and second two-way electronic valve respectively, and the second two-way electronic valve two ends connect cold-storage tank unit and second electric T-shaped valve and first two-way electronic valve respectively; The hot water storage tank unit joins with assisted heating device, solar energy heat collector, first electric T-shaped valve and first two-way electronic valve respectively.
2. energy composite energy system according to claim 1 is characterized in that: described buried pipe in pipe adopts the heat exchanger of pipe laying structurally that combines with building diaphragm wall and pile foundation pipe laying.
3. energy composite energy system according to claim 1 is characterized in that: it is fuel that described assisted heating device adopts the gaseous mixture of natural gas and biogas.
4. energy composite energy system according to claim 1 is characterized in that: described cold-storage water tank adopts the form of share with the structural fire protection pond.
5. the application of the energy composite energy system of the described solar energy of claim 1, earth source heat pump and water cold-storage, it is characterized in that: night in summer, the host computer using valley power stores cold in the cold-storage water tank, heat radiation side preferentially stores heat in hot water storage tank simultaneously, and unnecessary heat or cold are arranged in underground by buried pipe in pipe; Air-conditioning peak period on daytime, the preferential cold that discharges cold-storage, not enough air conditioner load is supplied by earth source heat pump main frame refrigeration, simultaneously the solar thermal collector accumulation of heat, further improve the hot water temperature in the hot water storage tank, the hot water of temperature stabilization is provided by assisted heating device at last.
6. the application of the energy composite energy system of the described solar energy of claim 1, earth source heat pump and water cold-storage, it is characterized in that: night in winter, the host computer using valley power stores heat in hot water storage tank, and cold junction side cold is arranged in underground by buried pipe in pipe simultaneously; Air-conditioning peak period on daytime, the preferential heat that discharges hot water storage tank, not enough air conditioner load is heated by the earth source heat pump main frame to be supplied, simultaneously the solar thermal collector accumulation of heat, further improve the hot water temperature in the hot water storage tank, the hot water of temperature stabilization is provided by assisted heating device at last.
CN200910201392A 2009-12-18 2009-12-18 Composite energy system of solar energy, ground source heat pump and chilled water storage Pending CN101738001A (en)

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CN104406255A (en) * 2014-11-28 2015-03-11 深圳达实智能股份有限公司 Chilled water storage based energy utilization system and method
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CN105571205A (en) * 2016-03-08 2016-05-11 山东星隆能源科技有限公司 Trigeneration system for flexible heat source
CN106091476A (en) * 2016-07-29 2016-11-09 北京华誉能源技术股份有限公司 Closed-loop ground source heat pump and the association system of electricity hot water storage tank
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CN108731300A (en) * 2017-04-24 2018-11-02 苏州唫道鼎保温科技有限公司 A kind of building comprehensive energy feed system
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CN107781934A (en) * 2017-11-08 2018-03-09 天津美意机电设备工程有限公司 Earth source heat pump operation management system and implementation method
CN107655130A (en) * 2017-11-22 2018-02-02 牛永辉 A kind of biomass energy central air conditioner system and its temperature control method
CN110762664A (en) * 2019-10-14 2020-02-07 珠海格力电器股份有限公司 Device and air conditioner based on PVT combination cross-season heat storage and dew point evaporative cooling
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