CN106610068A - Solar air conditioner and phase change energy storage all-in-one system and working method thereof - Google Patents
Solar air conditioner and phase change energy storage all-in-one system and working method thereof Download PDFInfo
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- CN106610068A CN106610068A CN201611107025.7A CN201611107025A CN106610068A CN 106610068 A CN106610068 A CN 106610068A CN 201611107025 A CN201611107025 A CN 201611107025A CN 106610068 A CN106610068 A CN 106610068A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0014—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using absorption or desorption
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
- F24F5/0021—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using phase change material [PCM] for storage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Life Sciences & Earth Sciences (AREA)
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- Atmospheric Sciences (AREA)
- Fuzzy Systems (AREA)
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Abstract
The invention discloses a solar air conditioner and phase change energy storage all-in-one system. By integration of a solar air conditioner and a back-up system (a heat pump chiller/heater) and control over connection between the solar air conditioner and the back-up system, seamless switching between solar energy and electric energy is realized, and the solar air conditioner and phase change energy storage all-in-one system has two operation modes: a summer refrigeration mode and a winter heating mode; in an operation process of the system, the solar energy is used first; when the solar energy is not enough to supply stable and continuous energy, the heat pump chiller/heater serving as the back-up system can fill the blank; therefore, the starting frequency and the operation time of the back-up system are effectively reduced, and the whole system operates in a more energy-saving way; and furthermore, a phase change heat accumulation water tank can realize automatic heat accumulation and release functions of a phase change material so as to effectively prevent overheat of a first circulating pipe. By the combination of a phase change energy storage technology and a solar air conditioner technology, the solar air conditioner and phase change energy storage all-in-one system provided by the invention is an innovation for development of the air conditioner technology and can promote large-area popularization of a solar air conditioner system.
Description
Technical field
The present invention relates to solar airconditioning and technical field of phase change energy storage, specifically a kind of solar airconditioning and phase-change accumulation energy
Integral system and its method of work.
Background technology
Solar energy absorption type air conditioning system is, using solar energy as main energy sources, for heat energy drive type refrigeration machine it to be provided
Hot water required for raw device, the system so as to reach the purpose of refrigeration.In the case of need not freezing in the winter time, Jing solar energys add
The hot water of heat directly can heat for user or provide domestic hot-water, realize the integration of solar cold and hot air-conditioning and water heater.Though
So solar airconditioning technology has the outstanding advantages of energy-conserving and environment-protective, however, at present sun air conditioning system also exists in extension process
Problems with：
(1) stable operation of solar airconditioning generally needs to configure heat storage can and cold storage tank, the storage medium for adopting at present
For water.But, using not enough below water tank generally existing：One is the bulky of water tank；Two is the tank body of water tank
Security set problem, such as water inlet side are commonly installed High Temperature High Pressure heat storage can, there is certain risk；Three is to prevent water temperature rapid
Decline, it is very high to the thermal requirements of the tank body of water tank.
(2) solar energy resources has undulatory property, affects the seriality of solar airconditioning operation.Solar radiation is very high
When, the volume of heat storage can is limited by, system can not fully store unnecessary solar energy resources；Increase suddenly when there is user's load
Or when continuous overcast and rainy, relying solely on solar energy system can not ensure customer demand, now need frequent starting aid system,
Increase energy resource consumption.
(3) refrigerating efficiency of solar airconditioning depends on hot water input temp.Hot water temperature is higher for input, unit refrigeration effect
Fruit is better.Currently, water tank common problem is：One is that water temperature occurs lamination, it is impossible to maintained into unit
Equilibrium temperature, causes refrigerator operation unstable；Two is the temperature change that water belongs to sensible heat storage, its energy storage capacity and energy storage and energy release
Scope is directly proportional.Energy storage temperature is lower, and its energy storage capacity is lower.When water temperature is incorporated into coolant-temperature gage less than refrigeration machine minimum, this temperature
Hot water under degree can not be utilized, and cause substantial amounts of amount of residual heat and energy waste.
As fully visible, there is certain technical bottleneck in current solar air-conditioner system.To solve this problem, the present invention
Propose a kind of solar airconditioning with phase-change accumulation energy integral system and its method of work.
The content of the invention
The technical problem to be solved is：For the deficiencies in the prior art, there is provided a kind of solar airconditioning and phase
Become energy storage integrated system and its method of work, by integrated and control solar airconditioning and back-up system (heat pump cold and warm machine)
Connection, realizes the seamless switching of solar energy and electric energy, in system operation, preferentially using solar energy, and works as solar energy not
When being enough to provide stable, the lasting energy, this deficiency can be made up as the heat pump cold and warm machine of back-up system, effectively reduce standby
While with system start-up frequency and run time, whole system operation more energy-conservation.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for：A kind of solar airconditioning and phase-change accumulation energy one
Change system, including solar energy heating unit, phase transition thermal storage water tank, cooling unit, buffer tank and fan coil, the described sun
Energy heat collection unit is connected by first circulation pipeline with described heat storage water tank, and heat accumulation disk is provided with described heat storage water tank
Pipe, described heat storage water tank is connected by second circulation pipeline with described phase transition thermal storage water tank, described phase transition thermal storage water tank
Internal memory contains phase-change material, and described cooling unit includes cooling tower and BrLi chiller, and described cooling tower is by the
Three circulation lines are connected with described BrLi chiller, described circulation lines of heat storage water tank Jing the 4th and described bromination
Lithium refrigeration unit is connected, and the described circulation lines of heat storage water tank Jing the 5th are connected with described buffer tank, and the described 4th follows
There is common pall, the common pall is connected on described heat storage water tank, institute between endless tube road and the 5th described circulation line
The circulation lines of BrLi chiller Jing the 6th stated are connected with described buffer tank, and described buffer tank is followed by the 7th
Endless tube road is connected with described fan coil, and the first circulation pump P1 of frequency conversion is provided with described first circulation pipeline, described
The 4th circulation line on be provided with second circulation pump P2, P2 is located on the 5th described circulation line simultaneously, the described the 6th
The 3rd circulating pump P3 is provided with circulation line, the 4th circulating pump P4 is provided with the 7th described circulation line, described
The 5th circulating pump P5 is provided with three circulation lines, the 6th circulating pump P6 is provided with described second circulation pipeline, it is described
First circulation pipeline, second circulation pipeline, the 3rd circulation line, the 4th circulation line, the 5th circulation line, the 6th circulation line
With if dry temperature sensor and some valves are respectively arranged with the 7th circulation line, during cooling in summer, solar energy heating unit
Hot water is provided to BrLi chiller, BrLi chiller to buffer tank provides chilled water, and buffer tank is to fan unit
Pipe provides chilled water needed for refrigeration；During winter heating, solar energy heating unit to buffer tank provides hot water, and buffer tank is aweather
Machine coil pipe provides hot water needed for heating.
Preferably, also including heat pump cold and warm machine, described buffer tank is by the 8th circulation line and described heat pump
Air conditioner is connected, if being provided with the 7th circulating pump, dry temperature sensor and some valves on the 8th described circulation line.
Preferably, the fusing point of described phase-change material is 75～95 DEG C.
Preferably, be provided with electric T-shaped valve S1 and air-cooled radiator on described first circulation pipeline, it is described too
Electric T-shaped valve S1 described in positive energy heat collection unit Jing is connected respectively with described heat storage water tank and described air-cooled radiator.
Preferably, described solar energy heating unit includes the first solar thermal collector group and second parallel with one another too
It is positive can heat collector group, temperature sensor T1 is installed on the outlet pipeline of described the first solar thermal collector group, described the
Temperature sensor T2 is installed, the water outlet of described the first solar thermal collector group on the outlet pipeline of two solar thermal collector groups
Pipeline and the meet of the outlet pipeline of the second described solar thermal collector group are provided with temperature sensor T3, and described first
The outlet pipeline of solar thermal collector group converge with the outlet pipeline of the second described solar thermal collector group after Jing electric three passes
Valve S1 is communicated respectively with described heat storage water tank and described air-cooled radiator, and stream is provided between S1 and described heat storage water tank
First expansion drum, the first air relief valve J1 and ball valve are installed between quantity sensor F1 and ball valve V1, P1 and described heat storage water tank
Gate valve V20 is installed, the outlet pipeline and described of described air-cooled radiator between V2, S1 and described air-cooled radiator
One circulation line is connected, and on the outlet pipeline of described air-cooled radiator gate valve V19, P1 and the first described solar energy are provided with
Temperature sensor T6 and temperature sensing are installed between the oral siphon road of heat collector group and the second described solar thermal collector group
Device T7, is provided with temperature sensor T4 and T5 on described heat storage water tank, the water inlet of described phase transition thermal storage water tank is installed
The water outlet for having ball valve V17, described phase transition thermal storage water tank is provided with ball valve V18, installs on described phase transition thermal storage water tank
There are temperature sensor T18 and T19, described heat storage water tank is installed successively on the supply channel of described BrLi chiller
There is P2 and ball valve V3, described BrLi chiller is sequentially installed with temperature biography on the water return pipeline of described heat storage water tank
One end of the close described BrLi chiller of sensor T9 and ball valve V4, V3 and V4 is connected respectively with electric T-shaped valve S2,
S2 is connected with described BrLi chiller simultaneously, on described the 4th circulation line and the common pall of the 5th circulation line
P2, the second expansion drum, the second air relief valve J2 and flow transducer F2 are installed, on the 5th described circulation line ball valve is provided with
V7, ball valve V8 and the 3rd air relief valve J3, on the 6th described circulation line temperature sensor T11, temperature sensor are provided with
T10, ball valve V5 and ball valve V6, T10 and T11 are provided with temperature on described BrLi chiller, described buffer tank
Degree sensor T14 and T15, on the 3rd described circulation line temperature sensor T12, temperature sensor T13, ball valve are provided with
V11 and ball valve V12, T12 and T13 are provided with temperature on described BrLi chiller, the 7th described circulation line
Sensor T16, temperature sensor T17, flow transducer F3, ball valve V9 and ball valve V10, are arranged on the 8th described circulation line
There are ball valve V13, ball valve V15 and ball valve V14, ball valve V16.
Above-mentioned solar airconditioning and the method for work of phase-change accumulation energy integral system, comprise the following steps：
During cooling in summer：
V1, V2, V3, V4, V5, V6, V9～V20 is opened, and V7, V8 are closed；
When T1 or T2 >=85 DEG C, P1 is opened, solar energy heating cell operation, and system enters collection thermal cycling profile；P1 is opened
And after running 10 minutes, if 85 DEG C of T1 and T2 ＜, P1 stop, or, P1 is opened and run in 10 minutes, T1 and T2 ＜ 80
DEG C, then P1 stops, and collection thermal cycling profile stops；
As 90 DEG C of T4 ＞ and T4-T18 >=4 DEG C, then P6 is opened, and phase transition thermal storage water tank starts accumulation of heat；When T4≤88 DEG C or
During 2 DEG C of T4-T18 ＜, then P6 stops, and phase transition thermal storage water tank stops accumulation of heat；When T4≤75 DEG C and T18-T4 >=6 DEG C, then P6 is opened
Open, phase transition thermal storage water tank starts heat release；As 80 DEG C or T18-T4 ＜ 2 DEG C of T4 ＞, then P6 stops, and phase transition thermal storage water tank stops putting
Heat；
When T4 >=95 DEG C or T3 >=110 DEG C, S1 is switched to air-cooled radiator path, while air-cooled radiator is opened, is
System opens high temperature protection pattern；As 93 DEG C or T3 ＜ 105 DEG C of T4 ＜, S1 is switched to first circulation pipeline, while wind-cooling heat dissipating
Device is closed, and high temperature protection pattern stops；
When T4 >=80 DEG C, P2 starts, and during generator temperature >=63 DEG C of BrLi chiller, lithium bromide refrigerator
Group is opened, and P3, P5 and P4 are opened, and cooling unit and fan coil work, and solar energy heating unit is carried to BrLi chiller
Supplying hot water, BrLi chiller to buffer tank provides chilled water, and buffer tank to fan coil provides freezing needed for refrigeration
Water, system opens kind of refrigeration cycle pattern；As 70 DEG C of T4 ＜, or, 18 DEG C of T15 ＞ and when fan coil starts, cooling unit stops
Only work, heat pump cold and warm machine starts, P7 is opened, heat pump cold and warm machine is to fan coil cooling, fan coil refrigeration；When T15≤15
DEG C or fan coil when stopping, P7 stops, and heat pump cold and warm machine quits work；
During winter heating：
V1, V2, V7, V8, V9, V10, V13～V20 is opened, and V3, V4, V5, V6, V11, V12 are closed；
When T1 or T2 >=50 DEG C, P1 is opened, solar energy heating cell operation, and system enters collection thermal cycling profile；P1 is opened
And after running 10 minutes, if 50 DEG C of T1 and T2 ＜, P1 stop, or, P1 is opened and run in 10 minutes, T1 and T2 ＜ 45
DEG C, then P1 stops, and collection thermal cycling profile stops；
As 60 DEG C of T4 ＞ and T4-T18 >=4 DEG C, then P6 is opened, and phase transition thermal storage water tank starts accumulation of heat；When T4≤58 DEG C or
During 2 DEG C of T4-T18 ＜, then P6 stops, and phase transition thermal storage water tank stops accumulation of heat；When T4≤55 DEG C and T18-T4 >=4 DEG C, then P6 is opened
Open, phase transition thermal storage water tank starts heat release；As 58 DEG C or T18-T4 ＜ 2 DEG C of T4 ＞, then P6 stops, and phase transition thermal storage water tank stops putting
Heat；
As 62 DEG C or T3 ＞ 90 DEG C of T4 ＞, S1 is switched to air-cooled radiator path, while air-cooled radiator is opened, system
Open high temperature protection pattern；When T4≤60 DEG C or T3≤88 DEG C, S1 is switched to first circulation pipeline, while air-cooled radiator is closed
Close, high temperature protection pattern stops；
As 2 DEG C of T7 ＜, P1 is opened, and S1 is switched to air-cooled radiator path, and air-cooled radiator is closed, and system enters antifreeze
Circulation pattern；When T7 >=6 DEG C, P1 stops, and S1 is switched to first circulation pipeline, and antifreeze circulation pattern stops；
As 55 DEG C of T15 ＜ and T4-T15 >=2 DEG C, P2, P4 and fan coil start, and system enters recuperated cycle pattern,
Solar energy heating unit to buffer tank provides hot water, and buffer tank to fan coil provides hot water needed for heating, and system is opened
Heating pattern；As 45 DEG C of T15 ＜ and fan coil startup, heat pump cold and warm machine starts, and P7 is opened, and heat pump cold and warm machine is to fan unit
Pipe heats, fan-coil heating；When T15 >=50 DEG C or fan coil stop, P7 stops, and heat pump cold and warm machine quits work.
Preferably, when the first expansion drum measures the hydraulic pressure ＜ 1.5MPa of first circulation pipeline, tap water Jing first subtracts
Pressure valve J1 is to first circulation pipeline moisturizing；When the first expansion drum measures the hydraulic pressure >=2.0MPa of first circulation pipeline, first subtracts
Pressure valve J1 is closed；When the second expansion drum measures the hydraulic pressure ＜ 1.5MPa of the 4th circulation line or the 5th circulation line, tap water
Jing the second air relief valve J2 are to the 4th circulation line or the 5th circulation line moisturizing；When the second expansion drum measure the 4th circulation line or
During hydraulic pressure >=the 2.0MPa of the 5th circulation line, the second air relief valve J2 is closed.
Preferably, as 5 DEG C or T3 ＞ 110 DEG C of T1-T2 ＞, first circulation pipeline is reported to the police；When cooling in summer cyclic module
Under formula, during 95 DEG C of T4 ＞, heat storage water tank is reported to the police；When under winter recuperated cycle pattern, during 62 DEG C of T4 ＞, heat storage water tank is reported to the police.
Compared with prior art, it is an advantage of the current invention that：1st, the present invention is provided solar airconditioning and phase-change accumulation energy one
Body system, by phase change energy storage technology in combination with solar airconditioning technology, being that air-conditioning technical is developmental once innovates, it will
Promote the spread of solar air-conditioner system.2nd, relative to traditional sensible heat energy-accumulating medium (such as water, saline etc.), phase transformation
Energy storage material has the little outstanding advantages of energy storage density height, temperature change.Phase change energy storage technology is applied to solar energy by the present invention
The accumulation of heat end and cold-storage end of air conditioning system, it is the characteristics of solar energy intermittent, unstability can be solved, daytime (or fine day) is more
Remaining solar energy is stored, and at night (or overcast and rainy) releases energy, and realizes the seriality of Solar use；Meanwhile, in phase
In synthermal excursion, the energy storage density of phase-change material is 5～12 times of water, therefore, solar airconditioning of the present invention and phase transformation
Energy storage integrated system, in the case of equal stored energy capacitance, can be greatly lowered the volume of existing water tank, save and use
Family space；And phase-changing energy storage material keeping temperature in thermal energy storage process is constant, or vary less, at accumulation of heat end phase transformation is adopted
Energy storage technology, can stablize the temperature of refrigeration machine import hot water, significantly improve the operational efficiency of system, and at cold-storage end phase transformation is adopted
Energy storage technology, can stablize chilled water temperature, improve the comfortableness that user uses.3rd, solar airconditioning of the present invention and phase-change accumulation energy
Integral system, possesses two kinds of operational modes：Cooling in summer pattern and winter heating pattern, it passes through integrated and control solar energy
Air-conditioning and the connection of back-up system (heat pump cold and warm machine), realize the seamless switching of solar energy and electric energy, in system operation,
Solar energy is preferentially utilized, and when solar energy is not enough to provide stable, the lasting energy, as the heat pump cold and warm machine of back-up system
This can be made up not enough, while back-up system initiation culture and run time is effectively reduced, whole system operation more supernumerary segment
Energy.Additionally, by phase transition thermal storage water tank, the auto accumulation heat and heat release function of phase-change material are capable of achieving, so as to effectively prevent first
Circulation line is overheated.
Description of the drawings
Fig. 1 is the structural representation of solar airconditioning and phase-change accumulation energy integral system in embodiment.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
The solar airconditioning of embodiment and phase-change accumulation energy integral system, as shown in figure 1, including solar energy heating unit 1,
Phase transition thermal storage water tank 2, cooling unit, buffer tank 4, fan coil 5 and heat pump cold and warm machine 6, solar energy heating unit 1 is by the
One circulation line 81 is connected with heat storage water tank 7, and heat accumulation coil pipe 71 is provided with heat storage water tank 7, and heat storage water tank 7 passes through second circulation
Pipeline 82 is connected with phase transition thermal storage water tank 2, and the internal memory of phase transition thermal storage water tank 2 contains phase-change material, and cooling unit includes cooling tower 32
With BrLi chiller 31, cooling tower 32 is connected by the 3rd circulation line 83 with BrLi chiller 31, heat storage water tank 7
The circulation lines 84 of Jing the 4th are connected with BrLi chiller 31, the circulation lines 85 of 7 Jing of heat storage water tank the 5th and the phase of buffer tank 4
Even, there is common pall, the common pall is connected on heat storage water tank 7 between the 4th circulation line 84 and the 5th circulation line 85,
The circulation lines 86 of 31 Jing of BrLi chiller the 6th are connected with buffer tank 4, buffer tank 4 by the 7th circulation line 87 with
Fan coil 5 is connected, and the first circulation pump P1 of frequency conversion is provided with first circulation pipeline 81, is provided with the 4th circulation line 84
Second circulation pump P2, P2 are located on the 5th circulation line 85 simultaneously, and the 3rd circulating pump P3 is provided with the 6th circulation line 86, the
The 4th circulating pump P4 is provided with seven circulation lines 87, the 5th circulating pump P5, second circulation are provided with the 3rd circulation line 83
The 6th circulating pump P6, first circulation pipeline 81, second circulation pipeline 82, the 3rd circulation line the 83, the 4th are provided with pipeline 82
Some temperature are respectively arranged with circulation line 84, the 5th circulation line 85, the 6th circulation line 86 and the 7th circulation line 87
Sensor and some valves, buffer tank 4 is connected by the 8th circulation line 88 with heat pump cold and warm machine 6, the 8th circulation line 88
If on be provided with the 7th circulating pump, dry temperature sensor and some valves；During cooling in summer, solar energy heating unit 1 is to bromination
Lithium refrigeration unit 31 provides hot water, and BrLi chiller 31 to buffer tank 4 provides chilled water, and buffer tank 4 is to fan unit
Pipe 5 provides chilled water needed for refrigeration；During winter heating, solar energy heating unit 1 to buffer tank 4 provides hot water, buffer tank 4
Hot water needed for heating is provided to fan coil 5.
In embodiments above, the fusing point of phase-change material is 75～95 DEG C, and selectable phase-change material is as follows：
| Title | Fusing point/DEG C | Enthalpy/(KJ/kg) |
| Trimethylolethane | 81-82 (freezing ranges:75-73) | 155 |
| Arachic acid | 76.5 | 227 |
| Mg(NO3)2·6H2O | 89.9 | 167 |
| Acetamide | 82 |
In embodiments above, electric T-shaped valve S1 and air-cooled radiator 9, the sun are provided with first circulation pipeline 81
The energy Jing electric T-shaped valves S1 of heat collection unit 1 is connected respectively with heat storage water tank 7 and air-cooled radiator 9.
In embodiments above, solar energy heating unit 1 includes the He of the first solar thermal collector group 11 parallel with one another
Second solar thermal collector group 12, is provided with temperature sensor T1 on the outlet pipeline of the first solar thermal collector group 11, and second
Temperature sensor T2, the outlet pipeline of the first solar thermal collector group 11 are installed on the outlet pipeline of solar thermal collector group 12
Temperature sensor T3, the first solar thermal collector group are installed with the meet of the outlet pipeline of the second solar thermal collector group 12
The outlet pipeline of 11 outlet pipeline and the second solar thermal collector group 12 converge after Jing electric T-shaped valves S1 respectively with water storage
Case 7 and air-cooled radiator 9 are communicated, and flow transducer F1 and ball valve V1, P1 and heat storage water tank are provided between S1 and heat storage water tank 7
It is provided between 7 between first expansion drum 13, the first air relief valve J1 and ball valve V2, S1 and air-cooled radiator 9 and gate valve is installed
V20, the outlet pipeline of air-cooled radiator 9 is connected with first circulation pipeline 81, and on the outlet pipeline of air-cooled radiator 9 lock is provided with
Temperature is installed between the oral siphon road of valve V19, P1 and the first solar thermal collector group 11 and the second solar thermal collector group 12
Sensor T6 and temperature sensor T7, be provided with temperature sensor T4 and T5 on heat storage water tank 7, phase transition thermal storage water tank 2 enters water
Ball valve V17 is installed at mouthful, the water outlet of phase transition thermal storage water tank 2 is provided with ball valve V18, is provided with phase transition thermal storage water tank 2
Temperature sensor T18 and T19, heat storage water tank 7 is sequentially installed with P2 and ball valve on the supply channel of BrLi chiller 31
V3, BrLi chiller 31 be sequentially installed with the water return pipeline of heat storage water tank 7 temperature sensor T9 and ball valve V4, V3 and
One end of the close BrLi chiller 31 of V4 is connected respectively with electric T-shaped valve S2, S2 simultaneously with BrLi chiller 31
It is connected, P2, the second expansion drum 41, second is installed on the common pall of the 4th circulation line 84 and the 5th circulation line 85 and is reduced pressure
Valve J2 and flow transducer F2, is provided with ball valve V7, ball valve V8 and the 3rd air relief valve J3, the 6th circulation on the 5th circulation line 85
Temperature sensor T11, temperature sensor T10, ball valve V5 and ball valve V6, T10 and T11 are provided with pipeline 86 near lithium bromide system
Cold group 31, is provided with temperature sensor T14 and T15 on buffer tank 4, on the 3rd circulation line 83 temperature sensor is provided with
T12, temperature sensor T13, ball valve V11 and ball valve V12, T12 and T13 are near BrLi chiller 31, the 7th circulation line
Temperature sensor T16, temperature sensor T17, flow transducer F3, ball valve V9 and ball valve V10, the 8th circulation pipe are provided with 87
Ball valve V13, ball valve V15 and ball valve V14, ball valve V16 are provided with road 88.
The method of work of above-mentioned solar airconditioning and phase-change accumulation energy integral system,
During cooling in summer：
V1, V2, V3, V4, V5, V6, V9～V20 is opened, and V7, V8 are closed；
When T1 or T2 >=85 DEG C, P1 is opened, and solar energy heating unit 1 works, and system enters collection thermal cycling profile；P1 is opened
And after running 10 minutes, if 85 DEG C of T1 and T2 ＜, P1 stop, or, P1 is opened and run in 10 minutes, T1 and T2 ＜ 80
DEG C, then P1 stops, and collection thermal cycling profile stops；
As 90 DEG C of T4 ＞ and T4-T18 >=4 DEG C, then P6 is opened, and phase transition thermal storage water tank 2 starts accumulation of heat；When T4≤88 DEG C or
During 2 DEG C of T4-T18 ＜, then P6 stops, and phase transition thermal storage water tank 2 stops accumulation of heat；When T4≤75 DEG C and T18-T4 >=6 DEG C, then P6 is opened
Open, phase transition thermal storage water tank 2 starts heat release；As 80 DEG C or T18-T4 ＜ 2 DEG C of T4 ＞, then P6 stops, and phase transition thermal storage water tank 2 stops
Heat release；
When T4 >=95 DEG C or T3 >=110 DEG C, S1 is switched to the path of air-cooled radiator 9, while air-cooled radiator 9 is opened,
System opens high temperature protection pattern；As 93 DEG C or T3 ＜ 105 DEG C of T4 ＜, S1 is switched to first circulation pipeline 81, while air-cooled
Radiator 9 is closed, and high temperature protection pattern stops；
When T4 >=80 DEG C, P2 starts, and during bromine cooling machine generator temperature >=63 DEG C of BrLi chiller 31, bromination
Lithium refrigeration unit 31 is opened, and P3, P5 and P4 are opened, and cooling unit and fan coil 5 work, and solar energy heating unit 1 is to bromination
Lithium refrigeration unit 31 provides hot water, and BrLi chiller 31 to buffer tank 4 provides chilled water, and buffer tank 4 is to fan unit
Pipe 5 provides chilled water needed for refrigeration, and system opens kind of refrigeration cycle pattern；As 70 DEG C of T4 ＜, or, 18 DEG C of T15 ＞ and fan unit
Pipe 5 start when, cooling unit quits work, and heat pump cold and warm machine 6 starts, P7 open, heat pump cold and warm machine 6 to the cooling of fan coil 5,
Fan coil 5 freezes；When T15≤15 DEG C or fan coil 5 stop, P7 stops, and heat pump cold and warm machine 6 quits work；
During winter heating：
V1, V2, V7, V8, V9, V10, V13～V20 is opened, and V3, V4, V5, V6, V11, V12 are closed；
When T1 or T2 >=50 DEG C, P1 is opened, and solar energy heating unit 1 works, and system enters collection thermal cycling profile；P1 is opened
And after running 10 minutes, if 50 DEG C of T1 and T2 ＜, P1 stop, or, P1 is opened and run in 10 minutes, T1 and T2 ＜ 45
DEG C, then P1 stops, and collection thermal cycling profile stops；
As 60 DEG C of T4 ＞ and T4-T18 >=4 DEG C, then P6 is opened, and phase transition thermal storage water tank 2 starts accumulation of heat；When T4≤58 DEG C or
During 2 DEG C of T4-T18 ＜, then P6 stops, and phase transition thermal storage water tank 2 stops accumulation of heat；When T4≤55 DEG C and T18-T4 >=4 DEG C, then P6 is opened
Open, phase transition thermal storage water tank 2 starts heat release；As 58 DEG C or T18-T4 ＜ 2 DEG C of T4 ＞, then P6 stops, and phase transition thermal storage water tank 2 stops
Heat release；
As 62 DEG C or T3 ＞ 90 DEG C of T4 ＞, S1 is switched to the path of air-cooled radiator 9, while air-cooled radiator 9 is opened, is
System opens high temperature protection pattern；When T4≤60 DEG C or T3≤88 DEG C, S1 is switched to first circulation pipeline 81, while wind-cooling heat dissipating
Device 9 is closed, and high temperature protection pattern stops；
As 2 DEG C of T7 ＜, P1 is opened, and S1 is switched to the path of air-cooled radiator 9, and air-cooled radiator 9 is closed, and system enters anti-
Freeze circulation pattern；When T7 >=6 DEG C, P1 stops, and S1 is switched to first circulation pipeline 81, and antifreeze circulation pattern stops；
As 55 DEG C of T15 ＜ and T4-T15 >=2 DEG C, P2, P4 and fan coil 5 start, and system enters recuperated cycle pattern,
Solar energy heating unit 1 to buffer tank 4 provides hot water, and buffer tank 4 to fan coil 5 provides hot water needed for heating, system
Open heating pattern；As 45 DEG C of T15 ＜ and the startup of fan coil 5, heat pump cold and warm machine 6 starts, and P7 is opened, heat pump cold and warm machine 6
Heat to fan coil 5, the heating of fan coil 5；When T15 >=50 DEG C or fan coil 5 stop, P7 stops, heat pump cold and warm machine 6
Quit work.
In above-mentioned solar airconditioning and the phase-change accumulation energy integral system course of work, follow when the first expansion drum 13 measures first
During the hydraulic pressure ＜ 1.5MPa on endless tube road 81, tap water Jing the first air relief valve J1 are to the moisturizing of first circulation pipeline 81；When the first expansion
When tank 13 measures the hydraulic pressure >=2.0MPa of first circulation pipeline 81, the first air relief valve J1 is closed；When the second expansion drum 41 measures
During the hydraulic pressure ＜ 1.5MPa of four circulation lines 84 or the 5th circulation line 85, tap water Jing the second air relief valve J2 are to the 4th circulation pipe
Road 84 or the moisturizing of the 5th circulation line 85；When the second expansion drum 41 measures the water of the 4th circulation line 84 or the 5th circulation line 85
During pressure >=2.0MPa, the second air relief valve J2 is closed.As 5 DEG C or T3 ＞ 110 DEG C of T1-T2 ＞, first circulation pipeline 81 is reported to the police；When
Under cooling in summer circulation pattern, during 95 DEG C of T4 ＞, heat storage water tank 7 is reported to the police；When under winter recuperated cycle pattern, during 62 DEG C of T4 ＞,
Heat storage water tank 7 is reported to the police.
Claims (8)
1. a kind of solar airconditioning and phase-change accumulation energy integral system, it is characterised in that：Store including solar energy heating unit, phase transformation
Boiler, cooling unit, buffer tank and fan coil, described solar energy heating unit by first circulation pipeline with it is described
Heat storage water tank be connected, heat accumulation coil pipe is installed in described heat storage water tank, described heat storage water tank passes through second circulation pipeline
It is connected with described phase transition thermal storage water tank, described phase transition thermal storage water tank internal memory contains phase-change material, described cooling unit bag
Cooling tower and BrLi chiller are included, described cooling tower is by the 3rd circulation line and described BrLi chiller phase
Even, the described circulation lines of heat storage water tank Jing the 4th are connected with described BrLi chiller, described heat storage water tank Jing the
Five circulation lines are connected with described buffer tank, have between described the 4th circulation line and the 5th described circulation line
Common pall, the common pall is connected on described heat storage water tank, described circulation lines of BrLi chiller Jing the 6th with
Described buffer tank is connected, and described buffer tank is connected by the 7th circulation line with described fan coil, described
The first circulation pump P1 of frequency conversion is provided with first circulation pipeline, on the 4th described circulation line second circulation pump is provided with
P2, P2 are located on the 5th described circulation line simultaneously, and on the 6th described circulation line the 3rd circulating pump P3 is provided with, described
The 7th circulation line on be provided with the 4th circulating pump P4, be provided with the 5th circulating pump P5 on the 3rd described circulation line, institute
The 6th circulating pump P6, described first circulation pipeline, second circulation pipeline, the 3rd circulation are provided with the second circulation pipeline stated
Some temperature are respectively arranged with pipeline, the 4th circulation line, the 5th circulation line, the 6th circulation line and the 7th circulation line
Sensor and some valves, during cooling in summer, solar energy heating unit to BrLi chiller provides hot water, lithium bromide refrigerating
Unit to buffer tank provides chilled water, and buffer tank to fan coil provides chilled water needed for refrigeration；During winter heating, the sun
Energy heat collection unit to buffer tank provides hot water, and buffer tank to fan coil provides hot water needed for heating.
2. a kind of solar airconditioning according to claim 1 and phase-change accumulation energy integral system, it is characterised in that：Also include
Heat pump cold and warm machine, described buffer tank is connected by the 8th circulation line with described heat pump cold and warm machine, and the described 8th follows
If being provided with the 7th circulating pump, dry temperature sensor and some valves on endless tube road.
3. a kind of solar airconditioning according to claim 1 and phase-change accumulation energy integral system, it is characterised in that：Described
The fusing point of phase-change material is 75～95 DEG C.
4. a kind of solar airconditioning according to claim 2 and phase-change accumulation energy integral system, it is characterised in that：Described
It is provided with electric T-shaped valve S1 and air-cooled radiator on first circulation pipeline, it is electronic described in described solar energy heating unit Jing
Three-way valve S1 is connected respectively with described heat storage water tank and described air-cooled radiator.
5. a kind of solar airconditioning according to claim 4 and phase-change accumulation energy integral system, it is characterised in that：Described
Solar energy heating unit include the first solar thermal collector group and the second solar thermal collector group parallel with one another, described first
Temperature sensor T1 is installed, the outlet pipe of described the second solar thermal collector group on the outlet pipeline of solar thermal collector group
Temperature sensor T2 is installed, the outlet pipeline and the second described solar energy collection of described the first solar thermal collector group on road
The meet of the outlet pipeline of hot device group is provided with temperature sensor T3, the outlet pipeline of described the first solar thermal collector group
After converging with the outlet pipeline of the second described solar thermal collector group Jing electric T-shaped valves S1 respectively with described heat storage water tank
Communicate with described air-cooled radiator, be provided between S1 and described heat storage water tank flow transducer F1 and ball valve V1, P1 with
First expansion drum, the first air relief valve J1 and ball valve V2, S1 and described air-cooled radiator are installed between described heat storage water tank
Between gate valve V20 is installed, the outlet pipeline of described air-cooled radiator is connected with described first circulation pipeline, described wind
Gate valve V19 is installed, P1 is with described the first solar thermal collector group and described second too on the outlet pipeline of cold heat sink
It is positive temperature sensor T6 and temperature sensor T7 to be installed between the oral siphon road of heat collector group, pacify on described heat storage water tank
Equipped with temperature sensor T4 and T5, the water inlet of described phase transition thermal storage water tank is provided with ball valve V17, described phase-transition heat-storage
The water outlet of water tank is provided with ball valve V18, and temperature sensor T18 and T19 are provided with described phase transition thermal storage water tank, described
Heat storage water tank be sequentially installed with P2 and ball valve V3, described lithium bromide on the supply channel of described BrLi chiller
Refrigeration unit is sequentially installed with leaning on for temperature sensor T9 and ball valve V4, V3 and V4 on the water return pipeline of described heat storage water tank
One end of near described BrLi chiller is connected respectively with electric T-shaped valve S2, S2 and meanwhile with described lithium bromide refrigerator
Group is connected, and P2, the second expansion drum is provided with described the 4th circulation line and the common pall of the 5th circulation line, second is subtracted
Pressure valve J2 and flow transducer F2, are provided with ball valve V7, ball valve V8 and the 3rd air relief valve J3, institute on the 5th described circulation line
Temperature sensor T11, temperature sensor T10, ball valve V5 and ball valve V6, T10 and T11 are provided with the 6th circulation line stated to lean on
Near described BrLi chiller, is provided with temperature sensor T14 and T15 on described buffer tank, the described 3rd follows
Temperature sensor T12, temperature sensor T13, ball valve V11 and ball valve V12, T12 and T13 are provided with endless tube road near described
BrLi chiller, on the 7th described circulation line temperature sensor T16, temperature sensor T17, flow sensing are provided with
Device F3, ball valve V9 and ball valve V10, on the 8th described circulation line ball valve V13, ball valve V15 and ball valve V14, ball valve are provided with
V16。
6. the method for work of a kind of solar airconditioning described in claim 5 and phase-change accumulation energy integral system, it is characterised in that：
Comprise the following steps：
During cooling in summer：
V1, V2, V3, V4, V5, V6, V9～V20 is opened, and V7, V8 are closed；
When T1 or T2 >=85 DEG C, P1 is opened, solar energy heating cell operation, and system enters collection thermal cycling profile；P1 is opened and transported
After row 10 minutes, if 85 DEG C of T1 and T2 ＜, P1 stop, or, P1 is opened and run in 10 minutes, 80 DEG C of T1 and T2 ＜, then
P1 stops, and collection thermal cycling profile stops；
As 90 DEG C of T4 ＞ and T4-T18 >=4 DEG C, then P6 is opened, and phase transition thermal storage water tank starts accumulation of heat；As T4≤88 DEG C or T4-
During 2 DEG C of T18 ＜, then P6 stops, and phase transition thermal storage water tank stops accumulation of heat；When T4≤75 DEG C and T18-T4 >=6 DEG C, then P6 is opened,
Phase transition thermal storage water tank starts heat release；As 80 DEG C or T18-T4 ＜ 2 DEG C of T4 ＞, then P6 stops, and phase transition thermal storage water tank stops heat release；
When T4 >=95 DEG C or T3 >=110 DEG C, S1 is switched to air-cooled radiator path, while air-cooled radiator is opened, system is opened
Open high temperature protection pattern；As 93 DEG C or T3 ＜ 105 DEG C of T4 ＜, S1 is switched to first circulation pipeline, while air-cooled radiator is closed
Close, high temperature protection pattern stops；
When T4 >=80 DEG C, P2 starts, and during generator temperature >=63 DEG C of BrLi chiller, BrLi chiller is opened
Open, P3, P5 and P4 are opened, cooling unit and fan coil work, and solar energy heating unit to BrLi chiller provides heat
Water, BrLi chiller to buffer tank provides chilled water, and buffer tank to fan coil provides chilled water needed for refrigeration, is
System opens kind of refrigeration cycle pattern；As 70 DEG C of T4 ＜, or, 18 DEG C of T15 ＞ and when fan coil starts, cooling unit stops work
Make, heat pump cold and warm machine starts, P7 is opened, heat pump cold and warm machine is to fan coil cooling, fan coil refrigeration；When T15≤15 DEG C or
When fan coil stops, P7 stops, and heat pump cold and warm machine quits work；
During winter heating：
V1, V2, V7, V8, V9, V10, V13～V20 is opened, and V3, V4, V5, V6, V11, V12 are closed；
When T1 or T2 >=50 DEG C, P1 is opened, solar energy heating cell operation, and system enters collection thermal cycling profile；P1 is opened and transported
After row 10 minutes, if 50 DEG C of T1 and T2 ＜, P1 stop, or, P1 is opened and run in 10 minutes, 45 DEG C of T1 and T2 ＜, then
P1 stops, and collection thermal cycling profile stops；
As 60 DEG C of T4 ＞ and T4-T18 >=4 DEG C, then P6 is opened, and phase transition thermal storage water tank starts accumulation of heat；As T4≤58 DEG C or T4-
During 2 DEG C of T18 ＜, then P6 stops, and phase transition thermal storage water tank stops accumulation of heat；When T4≤55 DEG C and T18-T4 >=4 DEG C, then P6 is opened,
Phase transition thermal storage water tank starts heat release；As 58 DEG C or T18-T4 ＜ 2 DEG C of T4 ＞, then P6 stops, and phase transition thermal storage water tank stops heat release；
As 62 DEG C or T3 ＞ 90 DEG C of T4 ＞, S1 is switched to air-cooled radiator path, while air-cooled radiator is opened, system is opened
High temperature protection pattern；When T4≤60 DEG C or T3≤88 DEG C, S1 is switched to first circulation pipeline, while air-cooled radiator is closed,
High temperature protection pattern stops；
As 2 DEG C of T7 ＜, P1 is opened, and S1 is switched to air-cooled radiator path, and air-cooled radiator is closed, and system enters antifreeze circulation
Pattern；When T7 >=6 DEG C, P1 stops, and S1 is switched to first circulation pipeline, and antifreeze circulation pattern stops；
As 55 DEG C of T15 ＜ and T4-T15 >=2 DEG C, P2, P4 and fan coil start, and system enters recuperated cycle pattern, the sun
Energy heat collection unit to buffer tank provides hot water, and buffer tank to fan coil provides hot water needed for heating, and system opens heating
Pattern；As 45 DEG C of T15 ＜ and fan coil startup, heat pump cold and warm machine starts, and P7 is opened, and heat pump cold and warm machine to fan coil is supplied
It is warm, fan-coil heating；When T15 >=50 DEG C or fan coil stop, P7 stops, and heat pump cold and warm machine quits work.
7. the method for work of a kind of solar airconditioning according to claim 6 and phase-change accumulation energy integral system, its feature
It is：When the first expansion drum measures the hydraulic pressure ＜ 1.5MPa of first circulation pipeline, tap water Jing the first air relief valve J1 are to first
Circulation line moisturizing；When the first expansion drum measures the hydraulic pressure >=2.0MPa of first circulation pipeline, the first air relief valve J1 is closed；When
When second expansion drum measures the hydraulic pressure ＜ 1.5MPa of the 4th circulation line or the 5th circulation line, tap water Jing the second air relief valve J2
To the 4th circulation line or the 5th circulation line moisturizing；When the second expansion drum measures the 4th circulation line or the 5th circulation line
During hydraulic pressure >=2.0MPa, the second air relief valve J2 is closed.
8. the method for work of a kind of solar airconditioning according to claim 6 and phase-change accumulation energy integral system, its feature
It is：As 5 DEG C or T3 ＞ 110 DEG C of T1-T2 ＞, first circulation pipeline is reported to the police；When under cooling in summer circulation pattern, 95 DEG C of T4 ＞
When, heat storage water tank is reported to the police；When under winter recuperated cycle pattern, during 62 DEG C of T4 ＞, heat storage water tank is reported to the police.
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| CN114623485A (en) * | 2022-03-17 | 2022-06-14 | 中航天建设工程集团有限公司 | Solar photovoltaic photo-thermal PVT and phase-change energy-storage coupling heat pump technology triple supply system |
| CN115773529A (en) * | 2022-12-05 | 2023-03-10 | 国网天津市电力公司 | Multi-energy complementary system and method for secondary heating of tail end of central heating system |
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