CN109506289A - The enhanced earth source heat pump joint energy supplying system of solar energy-and its operation method - Google Patents
The enhanced earth source heat pump joint energy supplying system of solar energy-and its operation method Download PDFInfo
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- CN109506289A CN109506289A CN201811374031.8A CN201811374031A CN109506289A CN 109506289 A CN109506289 A CN 109506289A CN 201811374031 A CN201811374031 A CN 201811374031A CN 109506289 A CN109506289 A CN 109506289A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 116
- 238000004378 air conditioning Methods 0.000 claims abstract description 37
- 239000002689 soil Substances 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 230000009189 diving Effects 0.000 claims abstract description 14
- 238000005338 heat storage Methods 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 7
- 230000018109 developmental process Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/04—Other domestic- or space-heating systems using heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- 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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention relates to a kind of enhanced earth source heat pumps of solar energy-to combine energy supplying system, comprising: interior air-conditioning system, plate heat exchanger A, air-conditioning side water circulating pump, heat pump unit, plate heat exchanger B, underground pipe side water circulating pump, ground heat exchanger gang of wells, pumped well, inverted well, recharge force (forcing) pump, variable-frequency diving pump, hot water storage tank, thermal-arrest water circulating pump, the heat pump unit air-conditioning side heating cycle circuit that heat collector and several solenoid valves are constituted, heat pump unit air-conditioning side cooling supply circulation loop, heat pump unit underground pipe side heating cycle circuit, constitute heat pump unit underground pipe side cooling supply circulation loop, solar energy side heating cycle circuit, solar energy heat-storage circulation loop, solar energy heating circulation loop.Operation method of the present invention include heating mode, spring for the hot water-use model of living, cooling mode, autumn for hot water-use model of living.The hot unbalance of soil is effectively relieved in the present invention, improves the operational efficiency of system.
Description
Technical field
The invention belongs to the confessions of soil source heat pump system and solar energy heat pump system combined heat, cooling supply and the hot water of life
To technical field, especially a kind of enhanced earth source heat pump of solar energy-combines energy supplying system and its operation method.
Background technique
Energy shortages is the serious problem that the world today faces, and the major part of China's energy-consuming is with stone
Fossil energy based on oil, coal and natural gas, seriously constrains the sustainable development in China, therefore, reduces fossil energy
Consumption rationally utilizes renewable energy, improves energy consumption structure, is the key that the sustainable development for realizing the energy.
Important composition part of the shallow layer geothermal energy as geothermal energy resources, has distribution wide, and reserves are big, and regeneration rapidly, is stablized
Property it is strong the features such as, be current geothermal exploitation and the important direction of propulsion that utilizes.In addition, solar energy is both non-renewable energy and can
The renewable sources of energy.It is resourceful, not only can freely use, but also without transport, to environment without any pollution, but its existing dispersion
Property, unstability and the problems such as low efficiency be when being current solar energy development and utilizing, the critical issue that avoid and solve.
Soil source heat pump is one of the major technique using shallow layer geothermal energy, has energy-efficient, continual and steady, reliability
The advantages that high, but with the expansion of soil source heat pump application scale, Soil Thermal unbalance becomes increasingly conspicuous.The present invention is by the sun
Energy heat collector, underground pipe explore a kind of efficient, energy-efficient enhanced ground source heat of solar energy-in conjunction with shallow-layer water resource abundant
Pump joint energy supplying system and operational mode.Solar energy is realized using solar energy ancillary equipment based on thin solum source heat pump
Step heat exchange；Pumping-filling well is set, under the call of response country " adopt and fill balance ", that has opened up shallow-layer water resource utilizes field,
The discharge of carbon dioxide Yu other pollutants is effectively reduced, in favor of the sustainable development of building energy conservation.The present invention is promoting comprehensively
Into the comprehensive utilization of geothermal energy and solar energy, make up solar energy unstability, it is intermittent simultaneously, Soil Thermal is effectively relieved
Unbalance problem.Through retrieving the Chinese patent literature having disclosed, the related patents file of the direction there is no.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of enhanced earth source heat pump joints of solar energy-
Energy supplying system and operation method, based on soil source heat pump system, solar energy system is as auxiliary thermal source, by the way that pumping-filling is arranged
Well makes underground water force seepage flow, the hot unbalance of soil is effectively relieved, improves the operational efficiency of system.
The present invention solves its technical problem and is achieved through the following technical solutions:
A kind of enhanced earth source heat pump of solar energy-combines energy supplying system, and system includes indoor air-conditioning system (1), board-like
Heat exchanger A (2), air-conditioning side water circulating pump (3), heat pump unit (4), plate heat exchanger B (5), the first solenoid valve (6), the second electricity
Magnet valve (7), third solenoid valve (8), the 4th solenoid valve (9), the 5th solenoid valve (10), the 6th solenoid valve (11), underground pipe side are followed
Ring water pump (12), ground heat exchanger gang of wells (13), pumped well (14), inverted well (15), recharge force (forcing) pump (16), frequency conversion diving
Pump (17), hot water storage tank (18), thermal-arrest water circulating pump (19), heat collector (20), the 14th solenoid valve (21), the 15th solenoid valve
(22), temperature sensor (23), the 7th solenoid valve (24), the 8th solenoid valve (25), the 9th solenoid valve (26), the tenth solenoid valve
(27), the 11st solenoid valve (28), the 12nd solenoid valve (29), the 13rd solenoid valve (30)；The indoor air-conditioning system (1) according to
Secondary and the 8th solenoid valve (25), plate heat exchanger A (2), the 9th solenoid valve (26), heat pump unit (4), air-conditioning side water circulating pump
(3) it is mutually connected back to indoor air-conditioning system (1) and constitutes heat pump unit air-conditioning side heating cycle circuit；The indoor air-conditioning system
(1) indoor air-conditioning system (1) is mutually successively connected back to the tenth solenoid valve (27), heat pump unit (4), air-conditioning side water circulating pump (3)
Constitute heat pump unit air-conditioning side cooling supply circulation loop；The ground heat exchanger (13) successively with underground pipe side water circulating pump
(12), the 12nd solenoid valve (29), plate heat exchanger B (5), the 11st solenoid valve (28), heat pump unit (4) are mutually connected back to buried
Heat exchange of heat pipe gang of wells (13) constitutes heat pump unit underground pipe side heating cycle circuit；The ground heat exchanger (13) successively with
Underground pipe side water circulating pump (12), the 13rd solenoid valve (30), heat pump unit (4) are mutually connected back to ground heat exchanger gang of wells (13)
Constitute heat pump unit underground pipe side cooling supply circulation loop；The hot water storage tank (18) successively with third solenoid valve (8), first electricity
Magnet valve (6), plate heat exchanger A (2), plate heat exchanger B (5), the 5th solenoid valve (10), the 4th solenoid valve (9) are mutually connected back to storage
Boiler (18) constitutes solar energy side heating cycle circuit；The hot water storage tank (18) successively with third solenoid valve (8), second
Solenoid valve (7), ground heat exchanger gang of wells (13), underground pipe side water circulating pump (12), the 6th solenoid valve (11), the 4th solenoid valve
(9) hot water storage tank (18) are mutually connected back to and constitute solar energy heat-storage circulation loop；The hot water storage tank (18) is successively followed with thermal-arrest
Ring water pump (19), heat collector (20) are mutually connected back to hot water storage tank (18) and constitute solar energy heating circulation loop；The pumped well
(14) composition that is successively connected with variable-frequency diving pump (17), the 7th solenoid valve (24), recharge force (forcing) pump (16), inverted well (15) pumping-
Inverted well circulation loop；For cold water by the 14th solenoid valve (21) into hot water storage tank (18), life heat passes through the 15th electricity with water
Magnet valve (22) is flowed out from hot water storage tank (18)；In ground heat exchanger gang of wells (13) surrounding soil, temperature sensor (23) are set.
A kind of operation method of the enhanced earth source heat pump joint energy supplying system of solar energy-, operation method includes following step
It is rapid:
1) heating mode: In The Initial Period Of Heating closes pumping-inverted well, opens the first solenoid valve (6), third solenoid valve (8), the 4th
Solenoid valve (9), the 5th solenoid valve (10), the 14th solenoid valve (21), the 15th solenoid valve (22), the 8th solenoid valve (25),
Nine solenoid valves (26), the 11st solenoid valve (28) and the 12nd solenoid valve (29) close second solenoid valve (7), the 6th solenoid valve
(11), the 7th solenoid valve (24), the tenth solenoid valve (27), the 13rd solenoid valve (30), single uses soil source heat pump system
Heating, hot water a part that solar energy heat pump system provides are sequentially connected plate heat exchanger A (2) and plate by hot water storage tank (18)
Formula heat exchanger B (5) carries out step heat exchange, and a part is used for hot water for life by the 15th solenoid valve (22).When system is run
For a period of time, when temperature sensor (23) monitors that the soil moisture of ground heat exchanger gang of wells (13) is less than 2 DEG C of initial temperature,
The 7th solenoid valve (24) is opened, pumping-inverted well is opened, under the action of variable-frequency diving pump (17) and recharge force (forcing) pump (16), is made
Salt water layer carries out forced convertion, prevents " cold dome product "；Heat the 7th solenoid valve (24) of latter stage closing, stops pumping-inverted well fortune
Row；
2) spring is for hot water-use model of living: the intermittent phase in spring opens the 14th solenoid valve (21) and the 15th solenoid valve
(22), the first solenoid valve (6), second solenoid valve (7), third solenoid valve (8), the 4th solenoid valve (9), the 5th solenoid valve are closed
(10), the 6th solenoid valve (11), the 7th solenoid valve (24), the 8th solenoid valve (25), the 9th solenoid valve (26), the tenth solenoid valve
(27), the 11st solenoid valve (28), the 12nd solenoid valve (29), the 13rd solenoid valve (30) close pumping-inverted well and soil source
Heat pump system, solar energy heat pump system only provide life heat water；
3) cooling mode: refrigeration Primary closure pumping-inverted well closes the first solenoid valve (6), second solenoid valve (7), third
Solenoid valve (8), the 4th solenoid valve (9), the 5th solenoid valve (10), the 6th solenoid valve (11), the 7th solenoid valve (24), the 8th electromagnetism
Valve (25), the 9th solenoid valve (26), the 11st solenoid valve (28), the 12nd solenoid valve (29), open the 14th solenoid valve (21),
15th solenoid valve (22), the tenth solenoid valve (27) and the 13rd solenoid valve (30), single uses soil source heat pump system system
Cold, solar energy heat pump system only provides life heat water；After system runs a period of time, temperature sensor (23) is monitored
When the soil moisture of ground heat exchanger gang of wells (13) is greater than 2 DEG C of initial temperature, the 7th solenoid valve (24) is opened, is opened and is taken out-return
Well is filled, under the action of variable-frequency diving pump (17) and recharge force (forcing) pump (16), so that salt water layer is carried out forced convertion, prevents " thermal reactor
Product ".Freeze the 7th solenoid valve (24) of latter stage closing, stops the operation of pumping-inverted well.
4) autumn is for hot water-use model of living: the intermittent phase in autumn closes the first solenoid valve (6), the 4th solenoid valve (9), the 5th
Solenoid valve (10), the 6th solenoid valve (11), the 7th solenoid valve (24), the 8th solenoid valve (25), the 9th solenoid valve (26), the tenth electricity
Magnet valve (27), the 11st solenoid valve (28), the 12nd solenoid valve (29), the 13rd solenoid valve (30) open second solenoid valve
(7), third solenoid valve (8), the 14th solenoid valve (21) and the 15th solenoid valve (22), the hot water that solar energy heat pump system provides
A part enters ground heat exchanger gang of wells (13) accumulation of heat through hot water storage tank (18), and a part is mentioned by the 15th solenoid valve (22)
For heat water of living；When temperature sensor (23) monitors that the soil moisture of ground heat exchanger gang of wells (13) is initial greater than soil
At 1 DEG C of temperature, the 4th solenoid valve (9) and the 6th solenoid valve (11) are opened, the water of ground heat exchanger gang of wells (13) is through underground pipe
Side water circulating pump (12) enters hot water storage tank (18) and forms solar energy heat-storage circulation loop.
The advantages and benefits of the present invention are:
1, the enhanced earth source heat pump joint energy supplying system of solar energy-of the invention and operation method, are a kind of composite systems
Including buried pipe heat exchange system, forced convertion system, indoor air-conditioning system, heat pump unit, solar thermal collection system, solar energy storage
Hot systems realize cooling in summer, the supply of heat supply in winter and domestic hot-water by the different methods of operation.The present invention passes through increase
Pumping-inverted well causes the forced convertion of salt water layer, while improving system heat exchange efficiency, avoid cold district " it is cold,
Hot stack " phenomenon, furthermore solar energy carries out step heat exchange, improves the utilization rate of solar energy, promote soil as auxiliary thermal source
Popularization and application of the earth source heat pump system in cold district.
2, the enhanced earth source heat pump joint energy supplying system of solar energy-of the invention and its operation method, make full use of China
Solar energy, shallow layer geothermal energy and the phreatic water of cold district improve while solving Soil Thermal unbalance and are
The operational efficiency of system has pushed the comprehensive utilization of new energy.
3, the enhanced earth source heat pump joint energy supplying system of solar energy-of the invention and its operation method, in solar energy-soil
On the basis of the compound heat pump in source, pumping-inverted well is set, so that underground water is forced seepage flow, enhances soil diabatic process, improve
The operational efficiency of buried pipe heat exchange system.
4, solar energy-of the invention enhanced earth source heat pump joint energy supplying system and its operation method, using solar energy as
Auxiliary thermal source carries out step heat exchange using the hot water that solar energy provides, realizes the abundant of solar energy by increasing plate heat exchanger
It utilizes, improves the economic benefit and environmental benefit of system.
5, the enhanced earth source heat pump joint energy supplying system of solar energy-of the invention and its operation method, by changing system
Connection type and operational mode, take full advantage of renewable low-grade energy, realize annual heat supply, cooling supply and life heat
Water effectively improves the utilization rate of the energy, reduces energy consumption, and system is made to have preferable economic benefit.
Detailed description of the invention
Fig. 1 is the schematic diagram of the enhanced earth source heat pump joint energy supplying system of solar energy-proposed by the present invention.
In figure: 1- indoor air-conditioning system, 2- plate heat exchanger A, 3- air-conditioning side water circulating pump, 4- heat pump unit, 5- are board-like
The first solenoid valve of heat exchanger B, 6-, 7- second solenoid valve, 8- third solenoid valve, the 4th solenoid valve of 9-, the 5th solenoid valve of 10-, 11-
6th solenoid valve, 12- underground pipe side water circulating pump, 13- ground heat exchanger gang of wells, 14- pumped well, 15- inverted well, 16- are returned
Fill force (forcing) pump, 17- variable-frequency diving pump, 18- hot water storage tank, 19- thermal-arrest water circulating pump, 20- heat collector, the 14th solenoid valve of 21-,
The 15th solenoid valve of 22-, 23- temperature sensor, the 7th solenoid valve of 24-, the 8th solenoid valve of 25-, the 9th solenoid valve of 26-, 27-
Ten solenoid valves, the 11st solenoid valve of 28-, the 12nd solenoid valve of 29-, the 13rd solenoid valve of 30-.
Specific embodiment
Below by specific embodiment, the invention will be further described, and it is not limit that following embodiment, which is descriptive,
Qualitatively, this does not limit the scope of protection of the present invention.
A kind of enhanced earth source heat pump of solar energy-combines energy supplying system, and system includes indoor air-conditioning system (1), board-like
Heat exchanger A (2), air-conditioning side water circulating pump (3), heat pump unit (4), plate heat exchanger B (5), the first solenoid valve (6), the second electricity
Magnet valve (7), third solenoid valve (8), the 4th solenoid valve (9), the 5th solenoid valve (10), the 6th solenoid valve (11), underground pipe side are followed
Ring water pump (12), ground heat exchanger gang of wells (13), pumped well (14), inverted well (15), recharge force (forcing) pump (16), frequency conversion diving
Pump (17), hot water storage tank (18), thermal-arrest water circulating pump (19), heat collector (20), the 14th solenoid valve (21), the 15th solenoid valve
(22), temperature sensor (23), the 7th solenoid valve (24), the 8th solenoid valve (25), the 9th solenoid valve (26), the tenth solenoid valve
(27), the 11st solenoid valve (28), the 12nd solenoid valve (29), the 13rd solenoid valve (30)；The indoor air-conditioning system (1) according to
Secondary and the 8th solenoid valve (25), plate heat exchanger A (2), the 9th solenoid valve (26), heat pump unit (4), air-conditioning side water circulating pump
(3) it is mutually connected back to indoor air-conditioning system (1) and constitutes heat pump unit air-conditioning side heating cycle circuit；The indoor air-conditioning system
(1) indoor air-conditioning system (1) is mutually successively connected back to the tenth solenoid valve (27), heat pump unit (4), air-conditioning side water circulating pump (3)
Constitute heat pump unit air-conditioning side cooling supply circulation loop；The ground heat exchanger (13) successively with underground pipe side water circulating pump
(12), the 12nd solenoid valve (29), plate heat exchanger B (5), the 11st solenoid valve (28), heat pump unit (4) are mutually connected back to buried
Heat exchange of heat pipe gang of wells (13) constitutes heat pump unit underground pipe side heating cycle circuit；The ground heat exchanger (13) successively with
Underground pipe side water circulating pump (12), the 13rd solenoid valve (30), heat pump unit (4) are mutually connected back to ground heat exchanger gang of wells (13)
Constitute heat pump unit underground pipe side cooling supply circulation loop；The hot water storage tank (18) successively with third solenoid valve (8), first electricity
Magnet valve (6), plate heat exchanger A (2), plate heat exchanger B (5), the 5th solenoid valve (10), the 4th solenoid valve (9) are mutually connected back to storage
Boiler (18) constitutes solar energy side heating cycle circuit；The hot water storage tank (18) successively with third solenoid valve (8), second
Solenoid valve (7), ground heat exchanger gang of wells (13), underground pipe side water circulating pump (12), the 6th solenoid valve (11), the 4th solenoid valve
(9) hot water storage tank (18) are mutually connected back to and constitute solar energy heat-storage circulation loop；The hot water storage tank (18) is successively followed with thermal-arrest
Ring water pump (19), heat collector (20) are mutually connected back to hot water storage tank (18) and constitute solar energy heating circulation loop；The pumped well
(14) composition that is successively connected with variable-frequency diving pump (17), the 7th solenoid valve (24), recharge force (forcing) pump (16), inverted well (15) pumping-
Inverted well circulation loop；For cold water by the 14th solenoid valve (21) into hot water storage tank (18), life heat passes through the 15th electricity with water
Magnet valve (22) is flowed out from hot water storage tank (18)；In ground heat exchanger gang of wells (13) surrounding soil, temperature sensor (23) are set.
A kind of operation method of the enhanced earth source heat pump joint energy supplying system of solar energy-described in claim 1, operation side
Method includes the following steps:
1) heating mode: In The Initial Period Of Heating closes pumping-inverted well, opens the first solenoid valve (6), third solenoid valve (8), the 4th
Solenoid valve (9), the 5th solenoid valve (10), the 14th solenoid valve (21), the 15th solenoid valve (22), the 8th solenoid valve (25),
Nine solenoid valves (26), the 11st solenoid valve (28) and the 12nd solenoid valve (29) close second solenoid valve (7), the 6th solenoid valve
(11), the 7th solenoid valve (24), the tenth solenoid valve (27), the 13rd solenoid valve (30), single uses soil source heat pump system
Heating, hot water a part that solar energy heat pump system provides are sequentially connected plate heat exchanger A (2) and plate by hot water storage tank (18)
Formula heat exchanger B (5) carries out step heat exchange, and a part is used for hot water for life by the 15th solenoid valve (22).When system is run
For a period of time, when temperature sensor (23) monitors that the soil moisture of ground heat exchanger gang of wells (13) is less than 2 DEG C of initial temperature,
The 7th solenoid valve (24) is opened, pumping-inverted well is opened, under the action of variable-frequency diving pump (17) and recharge force (forcing) pump (16), is made
Salt water layer carries out forced convertion, prevents " cold dome product "；Heat the 7th solenoid valve (24) of latter stage closing, stops pumping-inverted well fortune
Row；
2) spring is for hot water-use model of living: the intermittent phase in spring opens the 14th solenoid valve (21) and the 15th solenoid valve
(22), the first solenoid valve (6), second solenoid valve (7), third solenoid valve (8), the 4th solenoid valve (9), the 5th solenoid valve are closed
(10), the 6th solenoid valve (11), the 7th solenoid valve (24), the 8th solenoid valve (25), the 9th solenoid valve (26), the tenth solenoid valve
(27), the 11st solenoid valve (28), the 12nd solenoid valve (29), the 13rd solenoid valve (30) close pumping-inverted well and soil source
Heat pump system, solar energy heat pump system only provide life heat water；
3) cooling mode: refrigeration Primary closure pumping-inverted well closes the first solenoid valve (6), second solenoid valve (7), third
Solenoid valve (8), the 4th solenoid valve (9), the 5th solenoid valve (10), the 6th solenoid valve (11), the 7th solenoid valve (24), the 8th electromagnetism
Valve (25), the 9th solenoid valve (26), the 11st solenoid valve (28), the 12nd solenoid valve (29), open the 14th solenoid valve (21),
15th solenoid valve (22), the tenth solenoid valve (27) and the 13rd solenoid valve (30), single uses soil source heat pump system system
Cold, solar energy heat pump system only provides life heat water；After system runs a period of time, temperature sensor (23) is monitored
When the soil moisture of ground heat exchanger gang of wells (13) is greater than 2 DEG C of initial temperature, the 7th solenoid valve (24) is opened, is opened and is taken out-return
Well is filled, under the action of variable-frequency diving pump (17) and recharge force (forcing) pump (16), so that salt water layer is carried out forced convertion, prevents " thermal reactor
Product ".Freeze the 7th solenoid valve (24) of latter stage closing, stops the operation of pumping-inverted well.
4) autumn is for hot water-use model of living: the intermittent phase in autumn closes the first solenoid valve (6), the 4th solenoid valve (9), the 5th
Solenoid valve (10), the 6th solenoid valve (11), the 7th solenoid valve (24), the 8th solenoid valve (25), the 9th solenoid valve (26), the tenth electricity
Magnet valve (27), the 11st solenoid valve (28), the 12nd solenoid valve (29), the 13rd solenoid valve (30) open second solenoid valve
(7), third solenoid valve (8), the 14th solenoid valve (21) and the 15th solenoid valve (22), the hot water that solar energy heat pump system provides
A part enters ground heat exchanger gang of wells (13) accumulation of heat through hot water storage tank (18), and a part is mentioned by the 15th solenoid valve (22)
For heat water of living；When temperature sensor (23) monitors that the soil moisture of ground heat exchanger gang of wells (13) is initial greater than soil
At 1 DEG C of temperature, the 4th solenoid valve (9) and the 6th solenoid valve (11) are opened, the water of ground heat exchanger gang of wells (13) is through underground pipe
Side water circulating pump (12) enters hot water storage tank (18) and forms solar energy heat-storage circulation loop.
The characteristics of the present invention is based on shallow layer geothermal energy and sun energy storage capacities greatly, distribution is wide, easy exploitation, it is hot in thin solum source
On the basis of pump and solar heat pump, propose that a kind of enhanced earth source heat pump of solar energy-combines energy supplying system and operational mode,
Solar thermal collector, underground pipe change the connection type of system in conjunction with shallow-layer water resource abundant, realize the different fortune of system
Row mode.
Although disclosing the embodiment of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be managed
Solution: do not departing from the present invention and spirit and scope of the appended claims in, various substitutions, changes and modifications be all it is possible,
Therefore, the scope of the present invention is not limited to the embodiment and attached drawing disclosure of that.
Claims (2)
1. a kind of enhanced earth source heat pump of solar energy-combines energy supplying system, it is characterised in that: the system includes indoor air-conditioning system
(1), plate heat exchanger A (2), air-conditioning side water circulating pump (3), heat pump unit (4), plate heat exchanger B (5), the first solenoid valve
(6), second solenoid valve (7), third solenoid valve (8), the 4th solenoid valve (9), the 5th solenoid valve (10), the 6th solenoid valve (11),
Underground pipe side water circulating pump (12), ground heat exchanger gang of wells (13), pumped well (14), inverted well (15), recharge force (forcing) pump
(16), variable-frequency diving pump (17), hot water storage tank (18), thermal-arrest water circulating pump (19), heat collector (20), the 14th solenoid valve
(21), the 15th solenoid valve (22), temperature sensor (23), the 7th solenoid valve (24), the 8th solenoid valve (25), the 9th solenoid valve
(26), the tenth solenoid valve (27), the 11st solenoid valve (28), the 12nd solenoid valve (29), the 13rd solenoid valve (30)；The room
Interior air-conditioning system (1) successively with the 8th solenoid valve (25), plate heat exchanger A (2), the 9th solenoid valve (26), heat pump unit (4),
Air-conditioning side water circulating pump (3) is mutually connected back to indoor air-conditioning system (1) and constitutes heat pump unit air-conditioning side heating cycle circuit；Described
Indoor air-conditioning system (1) is successively mutually connected back to interior with the tenth solenoid valve (27), heat pump unit (4), air-conditioning side water circulating pump (3)
Air-conditioning system (1) constitutes heat pump unit air-conditioning side cooling supply circulation loop；The ground heat exchanger (13) successively with underground pipe
Side water circulating pump (12), the 12nd solenoid valve (29), plate heat exchanger B (5), the 11st solenoid valve (28), heat pump unit (4) phase
It is connected back to ground heat exchanger gang of wells (13) and constitutes heat pump unit underground pipe side heating cycle circuit；The ground heat exchanger
(13) underground pipe heat exchange is successively mutually connected back to underground pipe side water circulating pump (12), the 13rd solenoid valve (30), heat pump unit (4)
Device gang of wells (13) constitutes heat pump unit underground pipe side cooling supply circulation loop；The hot water storage tank (18) successively with third solenoid valve
(8), the first solenoid valve (6), plate heat exchanger A (2), plate heat exchanger B (5), the 5th solenoid valve (10), the 4th solenoid valve (9)
It is mutually connected back to hot water storage tank (18) and constitutes solar energy side heating cycle circuit；The hot water storage tank (18) successively with third electromagnetism
Valve (8), second solenoid valve (7), ground heat exchanger gang of wells (13), underground pipe side water circulating pump (12), the 6th solenoid valve (11),
4th solenoid valve (9) is mutually connected back to hot water storage tank (18) and constitutes solar energy heat-storage circulation loop；The hot water storage tank (18) according to
It is secondary to be mutually connected back to hot water storage tank (18) composition solar energy heating circulation loop with thermal-arrest water circulating pump (19), heat collector (20)；Institute
The pumped well (14) stated successively with variable-frequency diving pump (17), the 7th solenoid valve (24), recharge force (forcing) pump (16), inverted well (15) phase
Even constitute pumping-inverted well circulation loop；By the 14th solenoid valve (21) into hot water storage tank (18), life heat is passed through cold water with water
15th solenoid valve (22) is flowed out from hot water storage tank (18)；In ground heat exchanger gang of wells (13) surrounding soil, temperature sensing is set
Device (23).
2. a kind of operation method of the enhanced earth source heat pump joint energy supplying system of solar energy-described in claim 1, feature exist
In: the operation method includes the following steps:
1) heating mode: In The Initial Period Of Heating closes pumping-inverted well, opens the first solenoid valve (6), third solenoid valve (8), the 4th electromagnetism
Valve (9), the 5th solenoid valve (10), the 14th solenoid valve (21), the 15th solenoid valve (22), the 8th solenoid valve (25), the 9th electricity
Magnet valve (26), the 11st solenoid valve (28) and the 12nd solenoid valve (29), close second solenoid valve (7), the 6th solenoid valve (11),
7th solenoid valve (24), the tenth solenoid valve (27), the 13rd solenoid valve (30), single is heated using soil source heat pump system,
Hot water a part that solar energy heat pump system provides is sequentially connected plate heat exchanger A (2) by hot water storage tank (18) and board-like changes
Hot device B (5) carries out step heat exchange, and a part is used for hot water for life by the 15th solenoid valve (22).When system runs one section
Time opens when temperature sensor (23) monitors that the soil moisture of ground heat exchanger gang of wells (13) is less than 2 DEG C of initial temperature
7th solenoid valve (24) opens pumping-inverted well, under the action of variable-frequency diving pump (17) and recharge force (forcing) pump (16), makes salt water
Layer carries out forced convertion, prevents " cold dome product "；Heat the 7th solenoid valve (24) of latter stage closing, stops the operation of pumping-inverted well；
2) spring is for hot water-use model of living: the intermittent phase in spring opens the 14th solenoid valve (21) and the 15th solenoid valve (22),
Close the first solenoid valve (6), second solenoid valve (7), third solenoid valve (8), the 4th solenoid valve (9), the 5th solenoid valve (10),
Six solenoid valves (11), the 7th solenoid valve (24), the 8th solenoid valve (25), the 9th solenoid valve (26), the tenth solenoid valve (27), the tenth
One solenoid valve (28), the 12nd solenoid valve (29), the 13rd solenoid valve (30) close pumping-inverted well and soil source heat pump system,
Solar energy heat pump system only provides life heat water；
3) cooling mode: refrigeration Primary closure pumping-inverted well closes the first solenoid valve (6), second solenoid valve (7), third electromagnetism
Valve (8), the 4th solenoid valve (9), the 5th solenoid valve (10), the 6th solenoid valve (11), the 7th solenoid valve (24), the 8th solenoid valve
(25), the 9th solenoid valve (26), the 11st solenoid valve (28), the 12nd solenoid valve (29), open the 14th solenoid valve (21), the
15 solenoid valves (22), the tenth solenoid valve (27) and the 13rd solenoid valve (30), single is freezed using soil source heat pump system,
Solar energy heat pump system only provides life heat water；After system runs a period of time, temperature sensor (23) monitors ground
When the soil moisture of buried tube heat exchanger gang of wells (13) is greater than 2 DEG C of initial temperature, the 7th solenoid valve (24) is opened, opens pumping-recharge
Well makes salt water layer carry out forced convertion, prevents " thermal reactor under the action of variable-frequency diving pump (17) and recharge force (forcing) pump (16)
Product ".Freeze the 7th solenoid valve (24) of latter stage closing, stops the operation of pumping-inverted well.
4) autumn is for hot water-use model of living: the intermittent phase in autumn closes the first solenoid valve (6), the 4th solenoid valve (9), the 5th electromagnetism
Valve (10), the 6th solenoid valve (11), the 7th solenoid valve (24), the 8th solenoid valve (25), the 9th solenoid valve (26), the tenth solenoid valve
(27), the 11st solenoid valve (28), the 12nd solenoid valve (29), the 13rd solenoid valve (30) open second solenoid valve (7), the
Three solenoid valves (8), the 14th solenoid valve (21) and the 15th solenoid valve (22), hot water a part that solar energy heat pump system provides
Enter ground heat exchanger gang of wells (13) accumulation of heat through hot water storage tank (18), a part provides life by the 15th solenoid valve (22)
Heat water；When temperature sensor (23) monitors that the soil moisture of ground heat exchanger gang of wells (13) is greater than soil initial temperature 1
DEG C when, open the 4th solenoid valve (9) and the 6th solenoid valve (11), the water of ground heat exchanger gang of wells (13) and recycled through underground pipe side
Water pump (12) enters hot water storage tank (18) and forms solar energy heat-storage circulation loop.
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| CN110454867A (en) * | 2019-08-23 | 2019-11-15 | 中国科学院广州能源研究所 | A kind of energy storage type geothermal heating system dissolving intermittent energy source |
| CN111854230A (en) * | 2020-08-24 | 2020-10-30 | 河北省科学院能源研究所 | Split type composite ground source heat pump heating and cooling system |
| CN114001465A (en) * | 2021-11-03 | 2022-02-01 | 常州大学 | Solar crude oil heating composite system and method for adjusting soil temperature field balance |
| CN115059958A (en) * | 2022-06-21 | 2022-09-16 | 西安热工研究院有限公司 | Step heating cleaning and heating system with complementation of geoelectricity and sewage |
| CN116294294A (en) * | 2023-03-06 | 2023-06-23 | 中国科学院武汉岩土力学研究所 | Combined energy supply system for coupling geothermal energy and solar energy in deep and shallow layers |
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| CN114001465A (en) * | 2021-11-03 | 2022-02-01 | 常州大学 | Solar crude oil heating composite system and method for adjusting soil temperature field balance |
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| CN115059958A (en) * | 2022-06-21 | 2022-09-16 | 西安热工研究院有限公司 | Step heating cleaning and heating system with complementation of geoelectricity and sewage |
| CN116294294A (en) * | 2023-03-06 | 2023-06-23 | 中国科学院武汉岩土力学研究所 | Combined energy supply system for coupling geothermal energy and solar energy in deep and shallow layers |
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