CN205919555U - Solar energy earth source heat pump coupling energy supply system with two ground pipe laying crowd - Google Patents
Solar energy earth source heat pump coupling energy supply system with two ground pipe laying crowd Download PDFInfo
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- CN205919555U CN205919555U CN201620918625.0U CN201620918625U CN205919555U CN 205919555 U CN205919555 U CN 205919555U CN 201620918625 U CN201620918625 U CN 201620918625U CN 205919555 U CN205919555 U CN 205919555U
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- 230000008878 coupling Effects 0.000 title claims abstract description 20
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- 239000008236 heating water Substances 0.000 claims description 11
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- 238000001816 cooling Methods 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 8
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- 238000006243 chemical reaction Methods 0.000 description 1
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Classifications
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/272—Solar heating or cooling
-
- 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
- Y02B10/20—Solar thermal
-
- 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
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to a solar energy earth source heat pump coupling energy supply system with two ground pipe laying crowd, this energy supply system of its characterized in that include solar collector, heat storage tank, source heat pump set, no. 1 ground pipe laying crowd, no. 2 ground pipe laying crowds, building end equipment, collection hot recycle water pump, store up hot recycle water pump, source side circulation water pump, no. 1 heat -retaining control valve, no. 2 heat -retaining control valves, no. 1 ground source side control valve, no. 2 ground sources side control valves, no. 1 nest of tubes flow control valve, no. 2 nest of tubes flow control valve, no. 1 nest of tubes calorimeter and no. 2 nest of tubes calorimeters, solar collector in order and heat storage tank, collection through the tube coupling between the hot recycle water pump, thermal -arrest circulation promptly, hot water that solar energy collection produced, heat storage tank's hot water effluents the end and in order and no. 1 heat -retaining control valve, store up through the tube coupling between hot recycle water pump, no. 1 ground pipe laying crowd, no. 2 heat -retaining control valves, heat storage tank's the backward flow end, constitutes the heat -retaining circulation.
Description
Technical field
This utility model belongs to building heat supplying, cooling and supplying hot water technical field, and specially one kind is with double buried nest of tubes
Solar energy-ground source heat pump coupling energy supplying system.
Background technology
With the raising of people's living standard, people require more and more higher for the comfortableness of building.That thus brings builds
Build energy supply problem increasingly serious.China's primary energy consumption accounts for global 20%, is roughly equal to 36.2 hundred million tons of mark coals, unit gdp
Energy consumption is still high.At present, the building energy consumption of China accounts for the 27% of whole society's total energy consumption, the wherein energy consumption of heating and cooling
Account for the 60% of whole building energy consumption, therefore, the heating air conditioning energy consumption reducing building is the emphasis of building energy conservation.
Solar energy earth-source hot-pump system carries out heat supply and cooling using solar energy and shallow layer geothermal energy to building, for energy-conservation
Reduction of discharging has significant advantage.Nowadays earth source heat pump has been obtained for widely applying, but yet suffers from some in its operation and ask
Topic, the most prominent is exactly the geothermal equilibrium problem in the uneven area of cooling and heating load.Heat is taken to be more than summer heat release amount when winter
When, add solar energy system by share loads or directly to underground heat accumulation by way of so that ground temperature is gone up.
Common solar energy earth-source hot-pump system form is usually single buried nest of tubes or hot water storage tank as unit
The thermal source of vaporizer, system longtime running easily causes ground temperature rise or reduction, affects operational energy efficiency, so a set of underground pipe
Group and machine set system are difficult to meet comprehensive energy supply demand simultaneously.Also two independent underground pipe flock matings are had to close two source pump
Dual system heat supply mode (zl201110146044.1) is although solve heat supply imbalance problem, but this system utilizes two machines
Group heat supply respectively, large-sized unit operating load in the winter time is more larger than rated load deviation, and unit efficiency is affected, and invests
Larger.This utility model joins together two buried nest of tubes as the thermal source of unit, to eliminate in the ground source of earth source heat pump
Solar energy assisted ground source source pump, can improve system operation efficiency, and being more applicable in the little building of load variations should
With.
Utility model content
For the deficiency of existing solar energy earth-source hot-pump system, the technical problem that this utility model intends to solve is to provide one
Solar energy-ground source heat pump coupling energy supplying system kind with double buried nest of tubes, cooling that this system can be used for building, heat supply, confession
Hot water；This utility model is better than regular solar assisted ground source heat pump, and this system is connected with two buried nest of tubes
It is used as the thermal source of a source pump, solar energy heat-storage can be made full use of, neatly adjust geothermal equilibrium, enable summer confession
The cold Effec-tive Function with Winter heat supply；In addition, the control parts that this system increases, can be according to actual heating load and the soil moisture
Adjust the flow of two buried nest of tubes, thus adjusting the distribution taking heat it is also possible to realize the conversion between different heat supply modes.
Solar energy, in the use for the hot season, can adopt two schemes, and that is, solar water directly feeds part building in the non-confession hot season
End (immediate system, i.e. embodiment 2) or the mode of heating source pump backwater (indirect system, i.e. embodiment 1), realize too
The non-confession hot season cross-season heat-storing of sun energy and the direct heating for the hot season.
This utility model solves described energy supplying system technical problem and employed technical scheme comprise that, provides a kind of band double underground pipe
The solar energy-ground source heat pump coupling energy supplying system of group is it is characterised in that this energy supplying system includes solar thermal collector, accumulation of heat water
Case, earth source heat pump unit, No. 1 buried nest of tubes, No. 2 buried nest of tubes, building end equipment, thermal-arrest water circulating pump, heat accumulation recirculated waters
Pump, source water circulating pump, No. 1 heat accumulation control valve, No. 2 heat accumulation control valves, No. 1 ground source control valve, No. 2 ground sources control
Valve, No. 1 nest of tubes flow control valve, No. 2 nest of tubes flow control valves, No. 1 nest of tubes calorimeter and No. 2 nest of tubes calorimeters；
Described solar thermal collector is sequentially connected by pipeline between hot water storage tank, thermal-arrest water circulating pump, and that is, thermal-arrest follows
Ring, collects the hot water that solar energy produces；The hot water of hot water storage tank go out to flow end sequentially with No. 1 heat accumulation control valve, heat accumulation water circulating pump,
No. 1 buried nest of tubes, No. 2 heat accumulation control valves, connected by pipeline between the backflow end of hot water storage tank, constitute heat accumulation circulation；
The ground source of described earth source heat pump unit go out to flow end respectively simultaneously with No. 1 nest of tubes flow control valve and No. 2 nest of tubes streams
Adjustable valve is connected；No. 1 nest of tubes flow control valve by pipeline sequentially with No. 1 ground source control valve, No. 1 buried nest of tubes, No. 2 ground source
Side control valve and No. 1 nest of tubes calorimeter connect, and are connected to ground source backwater main；No. 2 nest of tubes flow control valves are suitable by pipeline
Secondary be connected with No. 2 buried nest of tubes and No. 2 nest of tubes calorimeters, be connected to ground source backwater main；Ground source backwater main connects
Become a mandarin to hold with the ground source of earth source heat pump unit after ground source water circulating pump and be connected, constitute source pump ground source and loop back
Road；
Described building end equipment simultaneously respectively with the end side of earth source heat pump unit and the hot water outflow end of hot water storage tank
Connect, be building end equipment heat supply by earth source heat pump unit and hot water storage tank.
Compared with prior art, the beneficial effects of the utility model are:
(1) this utility model adopts double buried nest of tubes as the thermal source of earth source heat pump unit, solar cross-season heat accumulation
Technology and ground source heat pump technology are coupled, and solve solar cross-season heat accumulation and earth-source hot-pump system in single buried nest of tubes
Contradiction between operation, achieve the thermal balance question of ground buried pipe of ground source heat pump group's soil again it is ensured that this system can for a long time,
Stablize, efficiently run.
(2) single fighter heat supply, reduces system initial cost.Compared with applicant formerly patent zl201110146044.1, this
Utility model adopts a tableland source source pump heat supply, decreases the initial cost of system.
(3) optimal control, makes full use of solar energy.This utility model is according to being arranged on earth source heat pump unit source and end
The calorimeter of side, judges actual load and ground temperature situation, using autocontrol valve and flow control valve change powered mode and
Control piper assignment of traffic, preferentially uses solar-heating under conditions of ensureing buried nest of tubes soil balance, makes full use of too
Sun energy, reduces source pump and runs power consumption.
(4) increase source pump supplying thermal condition duty ratio, improve system operation efficiency.With applicant's formerly patent
Zl201110146044.1 compares, and earth source heat pump unit of the present utility model bears the thermic load of whole building, increases unit
Operating load ratio, maximum thermic load of running increases to the 100% of thermic load by the 67% of thermic load before, substantially reduces heat pump
The operating condition of unit " low load with strong power ", can improve the operational energy efficiency of unit and system, significantly reduce system operation cost.
This utility model is for applicant's improvement that formerly patent zl201110146044.1 is carried out, in original patent,
Employ two buried nest of tubes, correspond to two earth source heat pump units, big unit is responsible for whole cooling and the major part built
Heat supply, little unit and solar energy system coupling be responsible for another part heat supply, it doesn't matter for two nest of tubes, separate,
In actual motion uses, it is found by the applicant that this system is in the state of having the extremely low duty ratio of one section of long period, by little
Earth source heat pump unit and solar energy come for whole building heat supply, it is possible to reduce the energy consumption of run duration, and longer for not existing
During the extremely low duty ratio condition of period, system energy efficiency originally is relatively low, and cost of investment is high, and the function of little earth source heat pump unit is complete
Entirely can be substituted by big unit.And the application eliminates the little earth source heat pump unit originally coupling with solar energy, large-sized unit exists
Refrigeration is still responsible for the cooling of whole building season using original big buried nest of tubes, but is supplying the hot season, two nest of tubes even
Pick up, simultaneously as the thermal source of earth source heat pump unit, be whole building heat supply.During the non-confession hot season, solar thermal collection system handle
The solar energy collected is stored in little buried nest of tubes, and when for the hot season, solar energy is no longer stored into underground, but when heat
It is directly building heat supplying that coolant-temperature gage meets when requiring.From the point of view of the analog result to two systems, the application energy supplying system ratio
Formerly patent is significantly improved on runnability, and each can save operation power consumption 10% about for the hot season, save meanwhile
One little source pump, reduces the initial cost of energy supplying system, these initial costs of saving account for calculator room equipment gross investment
15%-20%.
Brief description
Fig. 1 is the composition of the solar energy-ground source heat pump coupling energy supplying system embodiment 1 of the double buried nest of tubes of this utility model band
Schematic diagram.
Fig. 2 is the composition of the solar energy-ground source heat pump coupling energy supplying system embodiment 2 of the double buried nest of tubes of this utility model band
Schematic diagram.
In figure, 1- solar thermal collector, 2- hot water storage tank, 3- earth source heat pump unit (or unit), No. 41-1 buried nest of tubes,
No. 42-2 buried nest of tubes, 5- building end equipment, No. 51-1 building end, No. 52-2 building end, 61- thermal-arrest water circulating pump,
62- heat accumulation water circulating pump, 63- ground source water circulating pump, 64- end side water circulating pump, 65- solar-heating water circulating pump,
711-1 heat accumulation control valve, 712-2 heat accumulation control valve, 721-1 solar-heating control valve, 722-2 solar-heating
Control valve, No. 731-1 ground source control valve, No. 732-2 ground source control valve, 741-1 end side control valve, 742-2 end
Side control valve, 743-3 end side control valve, 75- pressure-control valve, 81-1 nest of tubes flow control valve, 82-2 nest of tubes
Flow control valve, 83- end flow control valve, 91-1 nest of tubes calorimeter, 92-2 nest of tubes calorimeter, 93- machine group end heat
Scale, 94- solar-heating calorimeter, 10- domestic hot-water's heat exchange coil, 11- solar-heating heat exchange coil.
Specific embodiment
It is described in further detail this utility model with reference to embodiment and accompanying drawing, but do not weigh in this, as to the application
The restriction of the claimed scope of profit.
The double buried nest of tubes of this utility model band solar energy-ground source heat pump coupling energy supplying system (abbreviation energy supplying system, referring to
Fig. 1-2) include solar thermal collector 1, hot water storage tank 2, earth source heat pump unit 3 (abbreviation unit), No. 1 buried 41, No. 2 ground of nest of tubes
Pipe laying group 42, building end equipment 5, thermal-arrest water circulating pump 61, heat accumulation water circulating pump 62,63, No. 1 heat accumulation of source water circulating pump
711, No. 2 heat accumulation control valves of control valve, 731, No. 2 ground 732, No. 1 nest of tubes flows of source control valve of 712, No. 1 ground source control valve
Regulating valve 82, No. 1 nest of tubes calorimeter 91 of 81, No. 2 nest of tubes flow control valves and No. 2 nest of tubes calorimeters 92；
Described solar thermal collector 1 is sequentially connected by pipeline between hot water storage tank 2, thermal-arrest water circulating pump 61, that is, collect
Thermal cycle, collects the hot water that solar energy produces；The hot water of hot water storage tank 2 go out to flow end sequentially with No. 1 heat accumulation control valve 711, heat accumulation
Connected by pipeline between water circulating pump 62,1 41, No. 2 heat accumulation control valves 712 of buried nest of tubes, the backflow end of hot water storage tank 2,
Constitute heat accumulation circulation；
The ground source of described earth source heat pump unit 3 go out to flow end respectively simultaneously with No. 1 nest of tubes flow control valve 81 and No. 2 nest of tubes
Flow control valve 82 is connected；No. 1 nest of tubes flow control valve 81 by pipeline sequentially with No. 1 ground 731, No. 1 underground pipe of source control valve
41, No. 2 ground source control valves 732 of group and No. 1 nest of tubes calorimeter 91 connect, and are connected to ground source backwater main；No. 2 nest of tubes streams
Adjustable valve 82 is sequentially connected with No. 2 buried nest of tubes 42 and No. 2 nest of tubes calorimeters 92 by pipeline, is connected to ground source backwater and does
Pipe；Ground source backwater main becomes a mandarin to hold with the ground source of earth source heat pump unit 3 after connecting ground source water circulating pump 63 and is connected, and constitutes
Source pump ground source closed circuit；
Described building end equipment 5 is flowed out with the end side of earth source heat pump unit 3 and the hot water of hot water storage tank 2 simultaneously respectively
End connects, and is building end equipment 5 heat supply by earth source heat pump unit 3 and hot water storage tank 2.
Of the present utility model be further characterized by being disposed with solar-heating heat exchange coil 11 in described hot water storage tank 2,
The end that becomes a mandarin of solar-heating heat exchange coil 11 is connected to the backwater main of earth source heat pump unit 3, solar-heating heat exchange coil
It is sequentially hot with 65, No. 1 solar-heating control valve 721 of solar-heating water circulating pump, solar-heating that 11 hot water goes out to flow end
Scale 94 is connected by pipeline, is connected to afterwards on the end side backwater main of earth source heat pump unit 3；With solar-heating heat exchange
Two of the end side backwater main of hot water outflow end connection of become a mandarin end and solar-heating heat exchange coil 11 of coil pipe 11 connect
It is disposed with end flow control valve 83 between mouthful；The described earth source heat pump unit 3 end side port of export is sequentially warm with machine group end
Scale 93, building end equipment 5, machine group end flow control valve 83, end side water circulating pump 64 and unit 3 end side arrival end
Pipeline is connected.
Of the present utility model be further characterized by described building end equipment 5 be divided into No. 1 building end 51 and No. 2 building
End 52, the hot water of described hot water storage tank 2 is gone out to flow end and is sequentially controlled with 65, No. 1 solar-heating of solar-heating water circulating pump
721, No. 1 building end 51,2 solar-heating control valve 722 of valve, pressure-control valve 75, hot water storage tank 2 backflow end pipe road phase
Connect, constitute solar energy direct heating closed circuit (or solar-heating circulation)；The unit end side port of export sequentially with unit
93, No. 2 building end 52 water mains of end calorimeter, 741, No. 1 building end 51,2 end side of No. 1 end side control valve
Control valve 742, No. 2 building end 52 backwater mains, No. 3 end side control valves 743, end side water circulating pump 64, source pump
The end side end pipe road that becomes a mandarin is connected, and constitutes source pump heating cycle (or earth source heat pump heating cycle), and then realizes passing through
Unit 3 and the purpose that hot water storage tank 2 is building end equipment 5 heat supply.
Of the present utility model be further characterized by there also is provided domestic hot-water's heat exchange coil 10 in described hot water storage tank 2,
It is connected in building by pipeline.
Operation principle of the present utility model and process are: in the non-confession hot season, the hot water of hot water storage tank circulates handle by heat accumulation
Heat storage is in the soil of No. 1 buried nest of tubes.Supplying the hot season, hot water storage tank hot water reaches during temperature requirement can be directly to building
Build heat supply, when hot water storage tank hot water temperature does not reach heating demand, building load is all provided by earth source heat pump unit 3.Store
The hot water that boiler hot water can be produced from earth source heat pump unit be supplied respectively to different building end equipments it is also possible to by accumulation of heat
Tank hot water heats the solar energy that the mode of source pump backwater is collected using winter.When heating by the way of backwater, unit
Backwater, fully or partially through the coil pipe in hot water storage tank and hot water storage tank hot water heat exchange, returns to hot water storage tank and participates in returning of heat exchange
Discharge is controlled by the end flow control valve 83 being arranged on machine group end backwater main.
It is corresponding with No. 1 buried nest of tubes 41 respectively that earth source heat pump unit ground source described in this utility model energy supplying system goes out to flow end
No. 1 nest of tubes flow control valve 81 and the corresponding No. 2 nest of tubes flow control valves 82 of No. 2 buried nest of tubes 42 connect, by flow
Adjust and control the allocation proportion taking heat.The regulation of flow control valve is according to calorimeter 91 He installed on two nest of tubes return pipes
Depending on the return water temperature of 92 collections, the flow indication that Flow-rate adjustment result can be gathered by calorimeter.
The effect of control valve described in this utility model energy supplying system is, the operational mode of management regulation system；Described regulation
The effect of valve is to adjust the flow of each branch road of ground heat exchanger；The effect of described pressure-control valve is directly to supply in solar energy
Control pressure of return water, it is to avoid the recirculated water of building end is to the recharge of hot water storage tank during thermal cycle.
Energy supplying system heating demand described in the utility model is combined by solar energy and earth source heat pump and is undertaken, earth source heat pump unit
Evaporimeter thermal source is combined by No. 1 buried nest of tubes and No. 2 buried nest of tubes and is undertaken, and can achieve multiple heat supply modes.Solar thermal collector 1
In the heat for hot season output preferentially to building heat supplying, the heat that the non-confession hot season produces passes through to send into ground after hot water storage tank 2 is kept in
Lower No. 1 buried nest of tubes 41 realizes the heat accumulation to soil, and the same year preferentially takes heat by unit 3 from No. 1 buried nest of tubes 41 for the hot season, fully
Using solar energy institute quantity of heat storage.Described energy supplying system is to be designed with meeting the whole cooling and heating load demands of building for standard, protects
Card 2 buried nest of tubes cooling season heat exhaust be equal to and take heat for the hot season on the premise of, unnecessary thermic load is stored up by No. 1 buried nest of tubes
Heat and undertaking for hot season solar energy.There also is provided domestic hot-water's heat exchange coil in hot water storage tank, be connected to by pipeline and build
In building, for annual domestic water, so the area of solar thermal collector 1 can suitably increase, solar thermal collector 1 area design
According to the local solar radiation intensity of building and building load design, to meet the part heat load of building and the need of domestic hot-water
Will.
In this utility model, unit 3 Main Function is the cold heat load undertaking whole building building, and the selection of unit 3 is with the summer
Season refrigeration duty alternatively foundation, verify winter thermic load simultaneously, determine No. 1 according to actual heating load and the soil moisture further
Buried nest of tubes 41 and the heating load accounting of No. 2 buried nest of tubes 42.The process of implementing is: during for the hot season, 1, No. 2 buried nest of tubes
41st, 42 take heat from soil, soil, as the low-temperature heat source of unit, passes through to build end via providing high-temperature-hot-water after unit 3
Device 5 is room heat supply, to meet the heat supply needs of building.According to No. 1 nest of tubes calorimeter 91 and No. 2 nest of tubes calorimeters 92, can
To judge leaving water temperature and the soil moisture situation of No. 1 buried nest of tubes 41 and No. 2 buried nest of tubes 42, and then adjust No. 1 nest of tubes stream
Adjustable valve 81 and No. 2 nest of tubes flow control valves 82 are to adjust unit 3 taking from No. 1 buried nest of tubes 41 and No. 2 buried nest of tubes 42
Hot allocation proportion, realizes as much as possible using solar energy and ensure the geothermal equilibrium of No. 2 buried nest of tubes.Wherein No. 1 underground pipe
Group is only involved in heat supply, and there is solar energy heat-storage in the non-confession hot season, without considering its geothermal equilibrium problem, can be according to No. 1 buried nest of tubes
No. 1 buried nest of tubes of ground temperature Monitoring and Controlling take heat.No. 2 buried nest of tubes participate in heat extraction and the winter of summer earth source heat pump unit
Earth source heat pump unit take heat, need to ensure heat extraction and take hot balance, No. 1 buried nest of tubes is a little nest of tubes, and its effect is
The regulation of soil thermal storage and the cross-season heat-storing of solar energy, No. 2 buried nest of tubes are the supervisor groups of this energy supplying system, than No. 1 nest of tubes
Much bigger.
Embodiment 1
Solar energy-ground source heat pump coupling energy supplying system (referring to Fig. 1) of the double buried nest of tubes of the present embodiment band includes solar energy
Heat collector 1, hot water storage tank 2, earth source heat pump unit 3,1 41, No. 2 buried nest of tubes 42 of buried nest of tubes, building end equipment 5, collection
Thermal cycle water pump 61, heat accumulation water circulating pump 62, source water circulating pump 63, end side water circulating pump 64, solar-heating circulation
711, No. 2 heat accumulation control valves of 65, No. 1 heat accumulation control valve of water pump, 721, No. 2 solar-heatings of 712, No. 1 solar-heating control valve
Control valve 731, No. 2 ground source control valve 81, No. 2 nest of tubes streams of 732, No. 1 nest of tubes flow control valve of 722, No. 1 ground source control valve
Adjustable valve 82, end flow control valve 91, No. 2 nest of tubes calorimeters 92 of 83, No. 1 nest of tubes calorimeter, machine group end calorimeter 93,
Solar-heating calorimeter 94, domestic hot-water's heat exchange coil 10, solar-heating heat exchange coil 11；
Described solar thermal collector 1 is sequentially connected by pipeline between hot water storage tank 2, thermal-arrest water circulating pump 61, that is, collect
Thermal cycle, collects the hot water that solar energy produces；The hot water of hot water storage tank 2 go out to flow end sequentially with No. 1 heat accumulation control valve 711, heat accumulation
Connected by pipeline between water circulating pump 62,1 41, No. 2 heat accumulation control valves 712 of buried nest of tubes, the backflow end of hot water storage tank 2,
Constitute heat accumulation circulation；
The ground source of described earth source heat pump unit 3 go out to flow end respectively simultaneously with No. 1 nest of tubes flow control valve 81 and No. 2 nest of tubes
Flow control valve 82 is connected；No. 1 nest of tubes flow control valve 81 by pipeline sequentially with No. 1 ground 731, No. 1 underground pipe of source control valve
41, No. 2 ground source control valves 732 of group and No. 1 nest of tubes calorimeter 91 connect, and are connected to ground source backwater main；No. 2 nest of tubes streams
Adjustable valve 82 is sequentially connected with No. 2 buried nest of tubes 42 and No. 2 nest of tubes calorimeters 92 by pipeline, is connected to ground source backwater and does
Pipe；Ground source backwater main becomes a mandarin to hold with the ground source of earth source heat pump unit 3 after connecting ground source water circulating pump 63 and is connected, and constitutes
Source pump ground source closed circuit；
Described building end equipment 5 simultaneously respectively with the end side of earth source heat pump unit 3 and be arranged in hot water storage tank 2 too
Sun can Heat supply and heat exchange coil pipe 11 connect, and is building end equipment 5 heat supply by earth source heat pump unit 3 and hot water storage tank 2.
It is disposed with solar-heating heat exchange coil 11, the becoming a mandarin of solar-heating heat exchange coil 11 in described hot water storage tank 2
End is connected to the backwater main of earth source heat pump unit 3, the hot water of solar-heating heat exchange coil 11 go out to flow end sequentially with solar energy
Heating cycle water pump 65, No. 1 solar-heating control valve 721, solar-heating calorimeter 94 are connected by pipeline, are connected to afterwards
On the end side backwater main of earth source heat pump unit 3；In become a mandarin end and solar-heating with solar-heating heat exchange coil 11
It is disposed with end flow control valve between two interfaces of end side backwater main that the hot water outflow end of heat exchange coil 11 connects
83；The described earth source heat pump unit 3 end side port of export is sequentially last with machine group end calorimeter 93, building end equipment 5, unit
End flow control valve 83, end side water circulating pump 64 are connected with unit 3 end side arrival end pipeline.
In described hot water storage tank 2 in addition to arrangement solar-heating heat exchange coil 11, there also is provided domestic hot-water's heat exchange disk
Pipe 10, can heat the tap water hot water supply annual to meet building.
No. 1 described in the present embodiment energy supplying system buried nest of tubes 41, except the cross-season heat-storing body as solar energy, also exists
For the hot season as unit 3 thermal source.Multigroup underground pipe of No. 1 buried nest of tubes 41 is connected in parallel and is connected in series, hot water during heat accumulation
The underground pipe group first passing through inside, gradually to flows outside, takes flow direction during heat contrary；No. 2 described buried nest of tubes 42 various places
It is connected in parallel between pipe laying, is used for heat extraction for cold season, meets unit 3 and use, be used for taking heat for the hot season, with No. 1 buried nest of tubes 41
Meet unit 3 to use simultaneously.The system according to for heat exhaust from cold season to No. 2 buried nest of tubes 42 with for the hot season to No. 2 underground pipes
Group 42 takes the equal principle design of heat, and unnecessary thermic load is undertaken by No. 1 buried 41 quantity of heat storage of nest of tubes and solar-heating.
The solar energy-ground source heat pump coupling energy supplying system carrying out practically control strategy of the double buried nest of tubes of the present embodiment band is:
For the buried nest of tubes of cold season 1 41 and earth source heat pump unit 3 and No. 2 buried nest of tubes 42 connection by ground source control valve 731 and 732
Disconnect, two underground pipe groups are separate, and No. 2 nest of tubes flow control valves 82 are opened as maximum.Solar-heating control valve 721 He
722 closings, disconnect the connection of solar-heating circulation line and ground source end closed circuit, end flow control valve 83 is opened
Open as maximum.No. 2 buried 42, No. 2 nest of tubes flow control valves 82 of nest of tubes, unit 3, source water circulating pump 63, end side circulation
Water pump 64, building end equipment 5, end flow control valve 83 and connecting line composition supply SAPMAC method, undertake building all cold negative
Lotus, No. 2 buried nest of tubes 42 are as the low-temperature receiver of earth source heat pump unit 3.
In non-confession hot season, hot water storage tank 2,62, No. 1 buried nest of tubes 41 of heat accumulation water circulating pump and heat accumulation control valve 721 and
722 and connecting line composition heat accumulation circulation, No. 1 buried nest of tubes 41 is used for storing solar energy.
Supplying the hot season, heating load is combined by solar energy and earth source heat pump and is undertaken, the vaporizer heat of earth source heat pump unit 3
Source is combined by No. 1 buried nest of tubes 41 and No. 2 buried nest of tubes 42 and is undertaken；Participate in building when solar water meets heating demand
In heat supplying process.
Mutual end side intercommunication being realized by the open and close of the mechanisms such as end-of-pipe control valve, water pump, source pump for the hot season
Connection, can realize three kinds of heat supply modes according to the difference undertaking thermic load: solar-heating undertakes whole thermic loads, unit undertakes
All thermic load, solar association earth source heat pump undertake whole thermic loads.When thermic load is little, and solar radiation is more, such as supply
Hot initial stage and latter stage, when solar-heating undertakes whole thermic load, earth source heat pump unit 3 and ground source water circulating pump 63 stop fortune
OK, end side water circulating pump 64 promotes end side backwater through 2 liters of hot water storage tank together with solar-heating water circulating pump 65
Being then sent through after temperature building end equipment 5 is building heat supplying, and No. 1 and No. 2 solar-heating control valves 721 and 722 are opened；Work as accumulation of heat
When water tank temperature is unsatisfactory for heating demand, source pump undertakes whole thermic loads: 65, No. 1 sun of solar-heating water circulating pump
Energy heat supply control valve 721 and solar-heating control valve 722 are closed, and end side water circulating pump 64 is opened, end side Flow-rate adjustment
Valve 83 reaches maximum；When thermic load is big, and when hot water storage tank temperature also reaches temperature requirement, solar association earth source heat pump undertakes
All thermic loads, solar-heating circulation and earth source heat pump heating cycle loop are fully open: end side water circulating pump 64, the sun
Can open heating cycle water pump 65, No. 1 and No. 2 solar-heating control valves 721 and 722 are opened, by adjusting end flow tune
The flow to adjust solar-heating closed circuit for the aperture of section valve 83.
Achieve the intercommunication of ground source for the hot season by the keying of the mechanisms such as ground source control valve, water pump, flow control valve
Interconnection.During source pump heat supply, No. 1 buried nest of tubes 41 and No. 2 buried nest of tubes 42 can be simultaneously as the warm of source pump vaporizer
Source, two buried nest of tubes are all connected to the ground source main of source pump, by Flow-rate adjustment valve regulation flow during water outlet, during backwater
Connect source pump ground source after mixing the water supply of buried nest of tubes of two groups of different temperatures to become a mandarin end, thus realizing adjusting No. 1 and 2
The heat distribution of number buried nest of tubes.By controlling No. 1 nest of tubes flow control valve and No. 2 nest of tubes flow control valves, it is possible to achieve No. 2
Buried nest of tubes earth source heat pump unit heat supply and double buried nest of tubes earth source heat pump unit heat supply both of which.No. 2 buried nest of tubes ground source
During source pump heat supply mode: unit 3 is opened, close No. 1 ground source control valve 731 and No. 2 ground source control valves 732, standard-sized sheet 2
Number nest of tubes flow control valve, opens ground source water circulating pump 63；During double buried nest of tubes earth source heat pump unit heat supply mode: unit 3
Open, open No. 1 ground source control valve 731 and No. 2 ground source control valves 732, open ground source water circulating pump 63, adjust No. 1
Nest of tubes flow control valve and No. 2 nest of tubes Flow-rate adjustment valve openings take heat accounting to adjust two nest of tubes.
Embodiment 2
Solar energy-ground source heat pump coupling energy supplying system (referring to Fig. 2) of the double buried nest of tubes of the present embodiment band includes solar energy
Heat collector 1, hot water storage tank 2,42, No. 1 building end 51,2 of the buried nest of tubes of the buried nest of tubes of earth source heat pump unit 3,1 41,2
Building end equipment 52, thermal-arrest water circulating pump 61, heat accumulation water circulating pump 62, source water circulating pump 63, end side water circulating pump
64th, 712, No. 1 solar-heating control valve of 711, No. 2 heat accumulation control valves of 65, No. 1 heat accumulation control valve of solar-heating water circulating pump
721st, No. 2 solar-heating control valves 731, No. 2 ground 732, No. 1 end side controls of source control valve of 722, No. 1 ground source control valve
Valve processed 742, No. 3 end side control valves 743 of 741, No. 2 end side control valves, 75, No. 1 nest of tubes flow control valve of pressure-control valve
81st, No. 2 nest of tubes flow control valves 91, No. 2 nest of tubes calorimeters 92 of 82, No. 1 nest of tubes calorimeter, machine group end calorimeter 93, the sun
Can heat supply calorimeter 94, domestic hot-water's heat exchange coil 10；
The setting of the buried nest of tubes of the present embodiment is identical with embodiment 1, and difference is earth source heat pump unit 3 and stores
Boiler 2 is that building end equipment heat-supplying mode is different, and the concrete annexation building end equipment in the present embodiment is: described
Building end equipment 5 is divided into No. 1 building end 51 and No. 2 building ends 52, the hot water of described hot water storage tank 2 go out to flow end sequentially with
65, No. 1 solar-heating control valve 721 of solar-heating water circulating pump, solar-heating calorimeter 94,1 building end 51,
No. 2 solar-heating control valves 722, pressure-control valve 75, hot water storage tank 2 backflow end pipe roads are connected, and constitute solar energy direct
Heating cycle loop；The unit end side port of export sequentially with machine group end calorimeter 93,2 building end 52 water mains, No. 1
741, No. 1 building end 51,2 end side control valve of end side control valve 742, No. 2 building end 52 backwater mains, No. 3 ends
Side control valve 743, end side water circulating pump 64, the source pump end side end pipe road that becomes a mandarin is connected, and constitutes source pump and supplies
Thermal cycle, and then realize by unit 3 and hot water storage tank 2 being the purpose building end equipment 5 heat supply.
In the present embodiment, because hot water storage tank is open tank, when water tank location is relatively low, pressure in building end water route
More much higher than tank pressure, in the backwater end of hot water storage tank, pressure-control valve 75 must be installed, it is to avoid building end is to accumulation of heat water
The water that case causes fills problem；
The present embodiment carries out cross-season heat-storing in non-confession hot season, solar water, and the thermal energy storage that solar energy is produced is in 1
In soil in number buried nest of tubes；Supplying the hot season, when solar heat coolant-temperature gage meets building heat supplying requirement, in hot water storage tank
Hot water is delivered directly to part building end equipment, bears part building load, supplies when solar heat coolant-temperature gage is unsatisfactory for building
During heat request, the thermic load of whole building is individually born by earth source heat pump unit, and the thermal source of earth source heat pump unit comes from No. 1 ground
Pipe laying group and No. 2 buried nest of tubes；Supplying cold season, to No. 2 buried nest of tubes heat extractions, provide to whole building needs earth source heat pump unit
Cold.
The present embodiment is can to realize end side by the keying of the mechanisms such as control valve, water pump, source pump for the hot season mutual
Logical interconnection, can realize three kinds of heat supply modes according to the difference undertaking thermic load: solar-heating undertakes whole thermic loads, unit
Undertake whole thermic loads, solar association earth source heat pump undertakes whole thermic loads.When thermic load is little, and solar radiation is more,
As preliminary heating period and latter stage, when solar-heating undertakes whole thermic load, No. 1 and No. 2 solar-heating control valves 721 and 722
Open, 1 and No. 2 end side control valve 741 and 742 is opened, and No. 3 end side control valves 743 are closed, earth source heat pump unit 3 and ground
Source water circulating pump 63 is out of service, and solar-heating water circulating pump 65 promotes hot water storage tank delivery to No. 1 building end
51 and No. 2 building ends 52 are building heat supplying；When hot water storage tank temperature is unsatisfactory for heating demand, source pump undertakes whole heat
Load: No. 1 and No. 2 solar-heating control valves 721 and 722 closings, No. 1, No. 2 and No. 3 end side control valves 741,742 and
743 open, and solar-heating water circulating pump 65 stops, and end side water circulating pump 64 starts；When thermic load is big, and hot water storage tank temperature
When degree also reaches temperature requirement, solar association earth source heat pump undertakes whole thermic loads, solar-heating circulation and earth source heat pump
Heating cycle loop is fully open: end side water circulating pump 64, solar-heating water circulating pump 65 start, No. 1 and No. 2 solar energys
Heat supply control valve 721 and 722 is opened, and No. 1 and No. 2 end side control valves 741 and 742 are closed, No. 3 end side control valves 743 dozens
Open, solar-heating circulation and earth source heat pump circulation are respectively No. 1 building end 51 and end 52 heat supply of No. 2 buildings.
Embodiment 1 and embodiment 2 be respectively solar energy directly for building heat supplying when two kinds of different schemes taking, embodiment
2 is that solar water is directly inputted in the portion distal end device of building, and building end equipment needs to carry out multidomain treat-ment.And
Without rezoning, solar water passes through solar energy with the backwater of heat supply in hot water storage tank 2 to the building end equipment of embodiment 1
Heat supply and heat exchange coil pipe 11 carries out heat exchange, and the backwater of source pump is heated, and then decreases the power consumption of source pump.
Embodiment 1 overcomes in embodiment 2 and connects and pressure controlled difficulty between building end and open tank, reduces Stress control
The use of valve, simultaneously without to building end equipment subregion, it is possible to reduce control valve and because the end that subregion causes supplies back
The use of water lines is it is only necessary to an end flow control valve just can be realized.For embodiment 2 embodiment 1 relatively, to the sun
The utilization rate of energy is more higher, but pump consumption is also high.
This utility model is not addressed part and is applied to prior art.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not
It is confined to this.All without departing from technical solutions of the utility model content, according to this utility model to made for any of the above embodiments any
Modification, equivalent and improvement, belong within protection domain of the present utility model.
Claims (4)
1. a kind of solar energy-ground source heat pump coupling energy supplying system of the buried nest of tubes of band pair is it is characterised in that this energy supplying system includes
Solar thermal collector, hot water storage tank, earth source heat pump unit, No. 1 buried nest of tubes, No. 2 buried nest of tubes, building end equipment, thermal-arrests
Water circulating pump, heat accumulation water circulating pump, source water circulating pump, No. 1 heat accumulation control valve, No. 2 heat accumulation control valves, No. 1 ground source controls
Valve processed, No. 2 ground source control valves, No. 1 nest of tubes flow control valve, No. 2 nest of tubes flow control valves, No. 1 nest of tubes calorimeter and No. 2 pipes
Group's calorimeter；
Described solar thermal collector is sequentially connected by pipeline between hot water storage tank, thermal-arrest water circulating pump, that is, collect thermal cycle, receives
The hot water that collection solar energy produces；The hot water of hot water storage tank go out to flow end sequentially with No. 1 heat accumulation control valve, heat accumulation water circulating pump, No. 1 ground
Pipe laying group, No. 2 heat accumulation control valves, connected by pipeline between the backflow end of hot water storage tank, constitute heat accumulation circulation；
The ground source of described earth source heat pump unit is gone out to flow end and is adjusted with No. 1 nest of tubes flow control valve and No. 2 nest of tubes flows respectively simultaneously
Section valve is connected；No. 1 nest of tubes flow control valve by pipeline sequentially with No. 1 ground source control valve, No. 1 buried nest of tubes, No. 2 ground source controls
Valve processed and No. 1 nest of tubes calorimeter connect, and are connected to ground source backwater main；No. 2 nest of tubes flow control valves are by pipeline sequentially with 2
Number buried nest of tubes and No. 2 nest of tubes calorimeters are connected, and are connected to ground source backwater main；Ground source backwater main connects ground source
Become a mandarin with the ground source of earth source heat pump unit after water circulating pump to hold and be connected, constitute source pump ground source closed circuit；
Described building end equipment is connected with the end side of earth source heat pump unit and the hot water outflow end of hot water storage tank simultaneously respectively,
It is building end equipment heat supply by earth source heat pump unit and hot water storage tank.
2. the double buried nest of tubes of band according to claim 1 solar energy-ground source heat pump coupling energy supplying system it is characterised in that
It is disposed with solar-heating heat exchange coil, the end that becomes a mandarin of solar-heating heat exchange coil is connected to ground source heat in described hot water storage tank
The backwater main of pump assembly, solar-heating heat exchange coil go out to flow end sequentially with solar-heating water circulating pump, No. 1 solar energy
Heat supply control valve, solar-heating calorimeter are connected by pipeline, are connected to the end side backwater main of earth source heat pump unit afterwards
On；In the end side that is connected of hot water outflow end with become a mandarin end and the solar-heating heat exchange coil of solar-heating heat exchange coil
It is disposed with end flow control valve between two interfaces of backwater main；The described earth source heat pump unit end side port of export sequentially with
Machine group end calorimeter, building end equipment, machine group end flow control valve, end side water circulating pump and machine group end side entrance
End pipe road is connected.
3. the double buried nest of tubes of band according to claim 1 solar energy-ground source heat pump coupling energy supplying system it is characterised in that
Described building end equipment is divided into No. 1 building end and No. 2 building ends, the hot water of described hot water storage tank go out to flow end sequentially with too
Sun can heating cycle water pump, No. 1 solar-heating control valve, No. 1 building end, No. 2 solar-heating control valves, hot water storage tanks
Backflow end pipe road is connected, and constitutes solar energy direct heating closed circuit；The unit end side port of export is sequentially warm with machine group end
Scale, No. 2 building end water mains, No. 1 end side control valve, No. 1 building end, No. 2 end side control valves, No. 2 buildings
End backwater main, No. 3 end side control valves, end side water circulating pump, the source pump end side end pipe road that becomes a mandarin is connected, structure
Become source pump heating cycle, be building end equipment heat supply by unit and hot water storage tank.
4. the solar energy-ground source heat pump coupling energy supplying system according to the double buried nest of tubes of the arbitrary described band of claim 1-3, it is special
Levy and be in described hot water storage tank there also is provided domestic hot-water's heat exchange coil, be connected in building by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620918625.0U CN205919555U (en) | 2016-08-20 | 2016-08-20 | Solar energy earth source heat pump coupling energy supply system with two ground pipe laying crowd |
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| CN201620918625.0U CN205919555U (en) | 2016-08-20 | 2016-08-20 | Solar energy earth source heat pump coupling energy supply system with two ground pipe laying crowd |
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| CN201620918625.0U Expired - Fee Related CN205919555U (en) | 2016-08-20 | 2016-08-20 | Solar energy earth source heat pump coupling energy supply system with two ground pipe laying crowd |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196714A (en) * | 2016-08-20 | 2016-12-07 | 河北工业大学 | Solar energy earth source heat pump with double buried nest of tubes couples energy supplying system |
| CN107228436A (en) * | 2017-06-13 | 2017-10-03 | 武汉科技大学 | A kind of air-conditioning system cold with ground based on solar energy |
-
2016
- 2016-08-20 CN CN201620918625.0U patent/CN205919555U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196714A (en) * | 2016-08-20 | 2016-12-07 | 河北工业大学 | Solar energy earth source heat pump with double buried nest of tubes couples energy supplying system |
| CN107228436A (en) * | 2017-06-13 | 2017-10-03 | 武汉科技大学 | A kind of air-conditioning system cold with ground based on solar energy |
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