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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 PDF

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Publication number
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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China
Prior art keywords
heat
entrance
valves
outlet
pipeline
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Withdrawn
Application number
CN201710723089.8A
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Chinese (zh)
Inventor
余雷
李贵
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Nanjing Suoleyou Energy Saving Technology Co Ltd
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Nanjing Suoleyou Energy Saving Technology Co Ltd
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Priority to CN201710723089.8A priority Critical patent/CN107328003A/en
Publication of CN107328003A publication Critical patent/CN107328003A/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0046Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0007Air-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
    • F24F5/0017Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0046Air-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
    • F24F2005/0057Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0046Air-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
    • F24F2005/0064Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00Devices or apparatus used for air treatment
    • F24F2203/02System or Device comprising a heat pump as a subsystem, e.g. combined with humidification/dehumidification, heating, natural energy or with hybrid system
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/40Geothermal heat-pumps
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal 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

A kind of solar energy earth-source hot-pump system of classified utilization heat energy
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.
CN201710723089.8A 2017-08-22 2017-08-22 A kind of solar energy earth-source hot-pump system of classified utilization heat energy Withdrawn CN107328003A (en)

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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
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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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Application publication date: 20171107