CN107328003A - A kind of solar energy earth-source hot-pump system of classified utilization heat energy - Google Patents
A kind of solar energy earth-source hot-pump system of classified utilization heat energy Download PDFInfo
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- CN107328003A CN107328003A CN201710723089.8A CN201710723089A CN107328003A CN 107328003 A CN107328003 A CN 107328003A CN 201710723089 A CN201710723089 A CN 201710723089A CN 107328003 A CN107328003 A CN 107328003A
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- 238000005338 heat storage Methods 0.000 claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000010521 absorption reaction Methods 0.000 claims abstract description 30
- 238000005057 refrigeration Methods 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000003507 refrigerant Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 6
- 230000010354 integration Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 3
- 206010028813 Nausea Diseases 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008693 nausea Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Classifications
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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
- 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
-
- 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
- F24F2005/0057—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 receiving heat-exchange fluid from a closed circuit in the ground
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/02—System or Device comprising a heat pump as a subsystem, e.g. combined with humidification/dehumidification, heating, natural energy or with hybrid system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
-
- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a kind of solar energy earth-source hot-pump system of classified utilization heat energy, including low-temperature solar energy heat collecting field, high temperature solar energy heat-collection field, low temperature heat storage can, middle temperature heat storage can, high-temperature heat-storage tank, earth source heat pump unit, ground heat exchanger system, absorption refrigeration unit;Low-temperature solar energy heat collecting field, high temperature solar energy heat-collection field collection solar energy and classification are stored into low temperature heat storage can, middle temperature heat storage can, high-temperature heat-storage tank, earth source heat pump unit and absorption refrigeration unit exchanged heat with heat storage cans at different levels and be user heated, freezed, supplying hot water, system architecture is simple, cost is low, it is reliable and stable, controllability is strong, with higher heat integration rate and energy efficiency.
Description
Technical field
The present invention relates to a kind of solar energy earth-source hot-pump system, particularly a kind of solar energy ground source heat of classified utilization heat energy
Pumping system, belongs to technical field of solar utilization technique.
Background technology
Solar energy is as one kind cleaning, free of contamination regenerative resource, and its development and utilization is considered as world energy sources strategy
Important component.Solar water heater is successfully commercialized, and how more effectively to be utilized solar energy, is become various countries
Scientist endeavours the content of research.
Heat pump is as a kind of environmentally-friendly and energy-saving air conditioner technology, and the selection of its Cooling and Heat Source is most important.By domestic and foreign scholars
The single source heat pump compared with measurement research proves solar energy earth-source hot-pump system of experiment for many years, with more advantages, the sun
Can have with the combination of geothermal energy good complementary.The addition of solar energy can make up thermal load demands it is big when ground source heat
The defect that heat pump heating amount is not enough, efficiency is low, the addition of geothermal energy can overcome solar heat pump to be influenceed serious shortcoming by weather,
Make operation more stable;Solar heat pump is in weather condition good season(Summer)Heating load is larger, but calorific requirement is smaller, weather
The season of situation difference(Winter)Heating load is smaller, but calorific requirement is larger, and earth source heat pump is stablized throughout the year due to the soil moisture, its
Supply and demand heat rule is just the opposite.For earth source heat pump, due to the addition of solar energy, it is possible to achieve intermittent duty, make soil temperature
Degree is obtaining a certain degree of recovery in the daytime, so as to improve the COP of soil source heat pump;For solar heat pump, due to geothermal energy
Addition cause system still be able at overcast and rainy and night under suitable low-temperature heat source temperature run, while can also save or subtract
The capacity of small hot water storage tank or the size of auxiliary thermal source.
But current solar energy earth source heat pump limits its development because of some shortcomings:1st, two kinds of solar energy and earth source heat pump are new
Energy resource system is not effectively combined, it is impossible to give full play to respective advantage, relative to common earth-source hot-pump system energy-saving benefit
It is unobvious;2nd, solar heat is not classified storage and utilized, the thermal efficiency and available energy of Solar Energy Heat Utilization System
Utilization rate is relatively low;3rd, solar energy system is using the Nausea drying collection hot mode of single heat collector list water tank, and the loss of water tank high temperature storage is greatly;4、
Solar energy only provides energy in Heating by Ground Source Heat Pump, and solar energy does not make full use of;5th, the thermal balance question of earth source heat pump does not have
Effective solution.
The content of the invention
It is an object of the invention to overcome the defect of above-mentioned existing associated solar earth source heat pump to divide there is provided one kind
Level utilize and storage solar energy, can united heat refrigerating and heat-supplying water, efficient energy-saving low cost solar energy earth source heat pump.
In order to solve the above technical problems, the technical scheme that this patent is provided is:
Using a kind of solar energy earth-source hot-pump system of classified utilization heat energy, including low-temperature solar energy heat collecting field, the high temperature sun
Can heat collecting field, low temperature heat storage can, middle temperature heat storage can, high-temperature heat-storage tank, earth source heat pump unit, ground heat exchanger system, absorption
Formula refrigeration unit;The outlet of low-temperature solar energy heat collecting field connects the entrance of high temperature solar energy heat-collection field, high temperature by pipeline
The outlet a-road-through piping of solar energy heat-collection field connects the entrance of 1# valves, and a-road-through piping connects the entrance of 2# valves,
The outlet a-road-through piping of 1# valves connects the entrance of 3# valves, and a-road-through piping connects the entrance of 4# valves, 2# valves
Outlet by pipeline connection high-temperature heat-storage tank entrance, the outlet of 4# valves and the outlet of high-temperature heat-storage tank pass through pipeline respectively
The entrance of middle temperature heat storage can is connected, the outlet a-road-through piping of 3# valves connects the entrance of 5# valves, and a-road-through piping connects
The entrance of 6# valves is connect, the outlet of 6# valves and the outlet of middle temperature heat storage can connect entering for low temperature heat storage can by pipeline respectively
Mouthful, the outlet of low temperature heat storage can connects the entrance of 7# valves by pipeline, and the outlet of 5# valves and the outlet of 7# valves lead to respectively
Piping connects the entrance of 1# pumps, and the outlet of 1# pumps connects the entrance of low-temperature solar energy heat collecting field by pipeline;Earth source heat pump machine
The ground source outlet of group connects the entrance of 2# pumps by pipeline, and the outlet of 2# pumps connects ground heat exchanger system by pipeline
Entrance, the outlet a-road-through piping of ground heat exchanger system connects the entrance of 8# valves, a-road-through piping connection 9# valves
The entrance of door, the outlet of 8# valves connects the heat exchanger entrance of low temperature heat storage can, the outlet of 9# valves and low temperature storage by pipeline
The heat exchanger exit of hot tank connects the ground source entrance of earth source heat pump unit by pipeline respectively;The user side of earth source heat pump unit
The entrance that 3# pumps are connected by pipeline is exported, the outlet a-road-through piping of 3# pumps connects the entrance of 10# valves, passes through pipe all the way
Road connects the entrance of 11# valves, and the outlet of 10# valves connects the heat exchanger entrance of middle temperature heat storage can, 11# valves by pipeline
Outlet and the heat exchanger exit of middle temperature heat storage can the entrance of user end is connected by pipeline respectively, the outlet of user end leads to
Piping connects the user side inlet of earth source heat pump unit;The heating agent water out of absorption refrigeration unit connects 4# pumps by pipeline
Entrance, the outlet of 4# pumps is by the heat exchanger entrance of pipeline connection high temperature water pot, and the heat exchanger exit of high temperature water pot passes through pipe
Road connects the heating agent water inlet of absorption refrigeration unit;The refrigerant water out of absorption refrigeration unit connects 5# pumps by pipeline
Entrance, the outlet of 5# pumps connects the entrance of user end by pipeline, and the outlet of user end connects absorption system by pipeline
The refrigerant water inlet of cold group.
As a modification of the present invention, described high temperature solar energy heat-collection field uses the solar energy heating of optically focused class
Device.
As a modification of the present invention, described absorption refrigeration unit uses single-effect lithium bromide absorption refrigerating machine
Group.
As a modification of the present invention, described valve uses motor-driven valve.
Relative to prior art, heretofore described system has the advantage that:
1)Solar heating refrigeration and Heating by Ground Source Heat Pump two kinds of new energy resources systems of refrigeration are effectively combined, can be mutual
Mutually supplement, the purpose of cost efficiency energy-efficient to reach;
2)Using big temperature difference thermal-arrest and recuperated cycle, there is advantages below compared to the Nausea drying collection hot mode of single heat collector list water tank:
Consider using high temperature, in gentle low-temperature heat collection device different optimum working temperature sections, it is contemplated that the economy of low-temperature heat collection device
Property;The average heat-collecting temperature of heat collector is reduced, the collecting efficiency of solar thermal collector is improved;Reduce the heat of single water tank high temperature storage
Loss;
3)Solar heat is classified storage and utilized, requires to carry out classified utilization according to the different temperatures of different application practice,
The thermal efficiency and energy efficiency of Solar Energy Heat Utilization System can be improved;
4), can be by switch valve, by the sun of collection according to the conditions of demand of heats at different levels and solar energy irradiation situation
It can be stored in certain one-level heat storage can or certain two-stage heat storage can, to realize maximization that solar energy is utilized, reduce energy storage heat
Loss;
5)The system solar energy both source heat pump heat supply refrigerating and heat-supplying water function can carry out additional heat and cold over the ground, not only subtract
The consumption of few energy, it is ensured that the reliability and stability of heating and refrigerating system, additionally can by solar heating or
The cooling and heating load of earth source heat pump is adjusted in refrigeration, to solve the thermal balance question of earth source heat pump;
6)The system design structure is simple, and cost is low, reliable and stable, and energy-saving benefit is notable, with preferable replicability.
Brief description of the drawings
Fig. 1 is the schematic diagram of the solar energy earth-source hot-pump system of classified utilization heat energy.
Wherein:1 it is low-temperature solar energy heat collecting field, 2 be high temperature solar energy heat-collection field, 3 be low temperature heat storage can, 4 is middle temperature
Heat storage can, 5 be high-temperature heat-storage tank, 6 be earth source heat pump unit, 7 be ground heat exchanger system, 8 be absorption refrigeration unit, 9
It is 1# valves, 10 be 2# valves, 11 be 3# valves, 12 be 4# valves, 13 be 5# valves, 14 be 6# valves, 15 is 7# valves, 16
It is 8# valves, 17 be 9# valves, 18 be 10# valves, 19 be 11# valves, 20 be 1# pumps, 21 be 2# pumps, 22 be 3# pumps, 23 is 4#
Pump, 24 be 5# pumps, 25 be the heat exchanger entrance of low temperature heat storage can, 26 be the heat exchanger exit of low temperature heat storage can, 27 be the storage of middle temperature
The heat exchanger entrance of hot tank, 28 be the heat exchanger exit of middle temperature heat storage can, 29 be the heat exchanger entrance of high-temperature heat-storage tank, 30 be high
The heat exchanger exit of warm heat storage can, 31 be the ground source entrance of earth source heat pump unit, 32 be that the ground source of earth source heat pump unit goes out
Mouthful, 33 be the user side inlet of earth source heat pump unit, 34 be user's side outlet of earth source heat pump unit, 35 be Absorption Refrigerator
Group heating agent water inlet, 36 be the heating agent water out of absorption refrigeration unit, 37 be absorption refrigeration unit refrigerant water inlet,
38 it is the refrigerant water out of absorption refrigeration unit, 39 is user end.
Embodiment
Embodiment 1
Referring to Fig. 1, using a kind of solar energy earth-source hot-pump system of classified utilization heat energy, it is characterised in that described classified utilization
The solar energy earth-source hot-pump system of heat energy includes low-temperature solar energy heat collecting field 1, high temperature solar energy heat-collection field 2, low temperature heat storage can
3rd, middle temperature heat storage can 4, high-temperature heat-storage tank 5, earth source heat pump unit 6, ground heat exchanger system 7, absorption refrigeration unit 8;It is low
The outlet of temperature solar heat collecting 1 connects the entrance of high temperature solar energy heat-collection field 2, high temperature solar energy heat-collection field by pipeline
The entrance of 2 outlet a-road-through piping connection 1# valves 9, the entrance of a-road-through piping connection 2# valves 10,1# valves 9
The entrance of a-road-through piping connection 3# valves 11 is exported, a-road-through piping connects the entrance of 4# valves 12,2# valves 10
The entrance that high-temperature heat-storage tank 5 is connected by pipeline is exported, the outlet of 4# valves 12 and the outlet of high-temperature heat-storage tank 5 pass through pipe respectively
Road connects the entrance of middle temperature heat storage can 4, and the entrance of the outlet a-road-through piping connection 5# valves 13 of 3# valves 11 passes through all the way
The entrance of pipeline connection 6# valves 14, the outlet of 6# valves 14 and the outlet of middle temperature heat storage can 4 connect low temperature by pipeline respectively
The entrance of heat storage can 3, the outlet of low temperature heat storage can 3 connects the entrance of 7# valves 15, the outlet of 5# valves 13 and 7# by pipeline
The outlet of valve 15 connects the entrance of 1# pumps 20 by pipeline respectively, and the outlet of 1# pumps 20 connects low-temperature solar energy collection by pipeline
The entrance of thermal field 1;The ground source outlet 32 of earth source heat pump unit connects the entrance of 2# pumps 21 by pipeline, and the outlet of 2# pumps 21 leads to
Piping connects the entrance of ground heat exchanger system 7, the outlet a-road-through piping connection 8# valves of ground heat exchanger system 7
The entrance of door 16, the entrance of a-road-through piping connection 9# valves 17, the outlet of 8# valves 16 connects low temperature heat accumulation by pipeline
The heat exchanger entrance 25 of tank, the outlet of 9# valves 17 and the heat exchanger exit 26 of low temperature heat storage can connect ground source by pipeline respectively
The ground source entrance 31 of source pump;User's side outlet 34 of earth source heat pump unit connects the entrance of 3# pumps 22,3# by pipeline
The entrance of the outlet a-road-through piping connection 10# valves 18 of pump 22, the entrance of a-road-through piping connection 11# valves 19,
The outlet of 10# valves 18 connects the heat exchanger entrance 27 of middle temperature heat storage can, the outlet of 11# valves 19 and middle temperature heat accumulation by pipeline
The heat exchanger exit 28 of tank connects the entrance of user end 39 by pipeline respectively, and the outlet of user end 39 is connected by pipeline
The user side inlet 33 of earth source heat pump unit;The heating agent water out 36 of absorption refrigeration unit connects entering for 4# pumps 23 by pipeline
Mouthful, the outlet of 4# pumps 23 connects the heat exchanger entrance 29 of high temperature water pot by pipeline, and the heat exchanger exit 30 of high temperature water pot passes through
Pipeline connects the heating agent water inlet 35 of absorption refrigeration unit;The refrigerant water out 38 of absorption refrigeration unit is connected by pipeline
The entrance of 5# pumps 24, the outlet of 5# pumps 24 connects the entrance of user end 39 by pipeline, and the outlet of user end 39 passes through pipe
Road connects the refrigerant water inlet 37 of absorption refrigeration unit.
Embodiment 2
Referring to Fig. 1, as a modification of the present invention, a kind of solar energy earth-source hot-pump system of described classified utilization heat energy,
It is characterized in that solar thermal collector of the described low-temperature solar energy heat collecting field 1 using non-concentrating class, the described high temperature sun
Energy heat collecting field 2 uses the solar thermal collector of optically focused class.
Embodiment 3
Referring to Fig. 1, as a modification of the present invention, a kind of solar energy earth-source hot-pump system of described classified utilization heat energy,
It is characterized in that described absorption refrigeration unit 8 uses single-effect lithium bromide absorption refrigerating machine group.
Embodiment 4
Referring to Fig. 1, as a modification of the present invention, a kind of solar energy earth-source hot-pump system of described classified utilization heat energy,
It is characterized in that described valve uses motor-driven valve.
Operation principle and process:
Referring to Fig. 1, solar energy circulatory mediator is heated to 30 ~ 60 DEG C by low-temperature solar energy heat collecting field 1, is passing through high temperature too
Positive energy heat collecting field 2 is heated to 60 ~ 90 DEG C, is then exchanged heat by high-temperature heat-storage tank 5, medium temperature is down to less than 60 DEG C, passed through again
Cross middle temperature heat storage can 4 to exchange heat, medium temperature is down to less than 45 DEG C, exchanged heat by low temperature heat storage can 3 again, and medium temperature is down to 30 DEG C
Hereinafter, it is then return to low-temperature solar energy heat collecting field 1 and carries out next round circulation.The heat accumulation temperature of high-temperature heat-storage tank 5 60 ~ 90 DEG C,
The heat accumulation temperature of middle temperature heat storage can 4 is at 45 ~ 60 DEG C, and the heat accumulation temperature of low temperature heat storage can 3 is at 30 ~ 45 DEG C, and such big temperature difference is followed
Ring compares the collection hot mode of single heat collector list water tank, has both considered the optimum working temperature section of different type heat collector, it is further contemplated that
The investment of system, stores and utilizes while solar heat is classified, with improve Solar Energy Heat Utilization System the thermal efficiency and
Energy efficiency.
, can be by switch valve, by collection too according to the conditions of demand of heats at different levels and solar energy irradiation situation
Sun can be stored in certain one-level heat storage can or certain two-stage heat storage can, to realize maximization that solar energy is utilized, reduce energy storage
Heat loss.
During heat supply running, the ground source circulatory mediator of earth source heat pump unit 6 after the heat exchange of ground heat exchanger system 7
Exchanged heat further to lift temperature by low temperature heat storage can 3, then flow back to earth source heat pump unit 6.The use of earth source heat pump unit 6
Family side circulatory mediator is exchanged heat further to lift temperature by middle temperature heat storage can 4, then is flowed to user and heated.
Supplying hot water is in use, the user side circulatory mediator of earth source heat pump unit 6 is exchanged heat by middle temperature heat storage can 4
One step lifts temperature, then flows to user hot water is heated.
When cooling is run, the user side circulatory mediator of earth source heat pump unit 6 carries out cooling to user.In addition absorption refrigeration
The heating agent of unit 8 carries absorption heat by high-temperature heat-storage tank 5, while produce refrigerant carries out supplement cooling to user.
The system solar energy both source heat pump heat supply refrigerating and heat-supplying water function can carry out additional heat and cold over the ground, not only
Reduce the consumption of energy, it is ensured that the reliability and stability of heating and refrigerating system, can additionally pass through solar heating
The regulation that season freezes, to solve the thermal balance question of earth source heat pump.
The present invention can also combine at least one in technical characteristic described in embodiment 2,3,4 with embodiment 1, form new
Embodiment.
It should be noted that above-described embodiment is only presently preferred embodiments of the present invention, not for limiting the present invention's
Protection domain, protection scope of the present invention is defined by claims.
Claims (4)
1. a kind of solar energy earth-source hot-pump system of classified utilization heat energy, it is characterised in that the sun of described classified utilization heat energy
Can earth-source hot-pump system include low-temperature solar energy heat collecting field, high temperature solar energy heat-collection field, low temperature heat storage can, middle temperature heat storage can,
High-temperature heat-storage tank, earth source heat pump unit, ground heat exchanger system, absorption refrigeration unit;Low-temperature solar energy heat collecting field goes out
Mouth connects the entrance of high temperature solar energy heat-collection field by pipeline, and the outlet a-road-through piping of high temperature solar energy heat-collection field connects
The entrance of 1# valves is connect, a-road-through piping connects the entrance of 2# valves, the outlet a-road-through piping connection 3# valves of 1# valves
The entrance of door, a-road-through piping connects the entrance of 4# valves, and the outlet of 2# valves connects entering for high-temperature heat-storage tank by pipeline
Mouthful, the outlet of 4# valves and the outlet of high-temperature heat-storage tank connect the entrance of middle temperature heat storage can by pipeline respectively, and 3# valves go out
Mouth a-road-through piping connects the entrance of 5# valves, and a-road-through piping connects the entrance of 6# valves, and the outlet of 6# valves is with
The outlet of warm heat storage can connects the entrance of low temperature heat storage can by pipeline respectively, and the outlet of low temperature heat storage can is connected by pipeline
The entrance of 7# valves, the outlet of 5# valves and the outlet of 7# valves connect the entrance of 1# pumps, the outlet of 1# pumps by pipeline respectively
The entrance of low-temperature solar energy heat collecting field is connected by pipeline;The ground source outlet of earth source heat pump unit connects 2# pumps by pipeline
Entrance, the outlet of 2# pumps connects the entrance of ground heat exchanger system by pipeline, and the outlet of ground heat exchanger system is all the way
The entrance of 8# valves is connected by pipeline, a-road-through piping connects the entrance of 9# valves, and the outlet of 8# valves is connected by pipeline
The heat exchanger entrance of low temperature heat storage can is connect, the outlet of 9# valves and the heat exchanger exit of low temperature heat storage can are connected by pipeline respectively
The ground source entrance of earth source heat pump unit;User's side outlet of earth source heat pump unit connects the entrance of 3# pumps, 3# pumps by pipeline
Outlet a-road-through piping connect the entrances of 10# valves, a-road-through piping connects the entrance of 11# valves, and 10# valves go out
Mouth connects the heat exchanger entrance of middle temperature heat storage can, the outlet of 11# valves and the heat exchanger exit point of middle temperature heat storage can by pipeline
The entrance of user end is not connected by pipeline, the user side that the outlet of user end connects earth source heat pump unit by pipeline enters
Mouthful;The heating agent water out of absorption refrigeration unit connects the entrance of 4# pumps by pipeline, and the outlet of 4# pumps connects high by pipeline
The heat exchanger entrance of warm water tank, the heat medium water that the heat exchanger exit of high temperature water pot connects absorption refrigeration unit by pipeline enters
Mouthful;The refrigerant water out of absorption refrigeration unit connects the entrance of 5# pumps by pipeline, and the outlet of 5# pumps is connected by pipeline to be used
The entrance of family end, the outlet of user end connects the refrigerant water inlet of absorption refrigeration unit by pipeline.
2. the solar energy earth-source hot-pump system of a kind of classified utilization heat energy according to claim 1, it is characterised in that described
Low-temperature solar energy heat collecting field use the solar thermal collector of non-concentrating class, described high temperature solar energy heat-collection field uses optically focused
The solar thermal collector of class.
3. the solar energy earth-source hot-pump system of a kind of classified utilization heat energy according to claim 1, it is characterised in that described
Absorption refrigeration unit use single-effect lithium bromide absorption refrigerating machine group.
4. the solar energy earth-source hot-pump system of a kind of classified utilization heat energy according to claim 1, it is characterised in that described
Valve use motor-driven valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710723089.8A CN107328003A (en) | 2017-08-22 | 2017-08-22 | A kind of solar energy earth-source hot-pump system of classified utilization heat energy |
Applications Claiming Priority (1)
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CN107906576A (en) * | 2017-11-13 | 2018-04-13 | 东南大学 | A kind of medium temperature solar-energy air-energy coupled system |
CN111140298A (en) * | 2020-01-07 | 2020-05-12 | 上海锅炉厂有限公司 | Distributed combined heat and power supply compressed air energy storage system |
CN111457512A (en) * | 2020-04-17 | 2020-07-28 | 西安联创分布式可再生能源研究院有限公司 | A mid-deep geothermal coupled energy storage multi-source heating and cooling process and system |
CN111998557A (en) * | 2020-09-24 | 2020-11-27 | 广州市香港科大霍英东研究院 | Solar energy air source intelligent heat pump system of subregion thermal-arrest |
CN113432176A (en) * | 2021-07-16 | 2021-09-24 | 中国建筑设计研究院有限公司 | Stepped heat storage device and hot water system |
CN116007038A (en) * | 2022-12-19 | 2023-04-25 | 大唐东北电力试验研究院有限公司 | A ground source heat pump heating system driven by solar energy coupled with molten salt heat storage |
WO2025001872A1 (en) * | 2023-06-29 | 2025-01-02 | 中国市政工程华北设计研究总院有限公司 | Multi-energy coupling cooling and heating system for building in long-term cooling region, and operation method |
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CN107906576A (en) * | 2017-11-13 | 2018-04-13 | 东南大学 | A kind of medium temperature solar-energy air-energy coupled system |
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CN111140298A (en) * | 2020-01-07 | 2020-05-12 | 上海锅炉厂有限公司 | Distributed combined heat and power supply compressed air energy storage system |
CN111140298B (en) * | 2020-01-07 | 2024-01-26 | 上海锅炉厂有限公司 | Distributed cogeneration compressed air energy storage system |
CN111457512A (en) * | 2020-04-17 | 2020-07-28 | 西安联创分布式可再生能源研究院有限公司 | A mid-deep geothermal coupled energy storage multi-source heating and cooling process and system |
CN111998557A (en) * | 2020-09-24 | 2020-11-27 | 广州市香港科大霍英东研究院 | Solar energy air source intelligent heat pump system of subregion thermal-arrest |
CN113432176A (en) * | 2021-07-16 | 2021-09-24 | 中国建筑设计研究院有限公司 | Stepped heat storage device and hot water system |
CN116007038A (en) * | 2022-12-19 | 2023-04-25 | 大唐东北电力试验研究院有限公司 | A ground source heat pump heating system driven by solar energy coupled with molten salt heat storage |
WO2025001872A1 (en) * | 2023-06-29 | 2025-01-02 | 中国市政工程华北设计研究总院有限公司 | Multi-energy coupling cooling and heating system for building in long-term cooling region, and operation method |
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