CN106382767B - The underground heat utilization system in the poor region of groundwater run off - Google Patents
The underground heat utilization system in the poor region of groundwater run off Download PDFInfo
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- CN106382767B CN106382767B CN201610773114.9A CN201610773114A CN106382767B CN 106382767 B CN106382767 B CN 106382767B CN 201610773114 A CN201610773114 A CN 201610773114A CN 106382767 B CN106382767 B CN 106382767B
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- 239000003673 groundwater Substances 0.000 title claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 51
- 230000003750 conditioning effect Effects 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 6
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 27
- 239000002689 soil Substances 0.000 abstract description 13
- 238000005057 refrigeration Methods 0.000 abstract description 12
- 238000004378 air conditioning Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 45
- 239000003795 chemical substances by application Substances 0.000 description 17
- 239000003507 refrigerant Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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- General Engineering & Computer Science (AREA)
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Abstract
The present invention relates to energy heat supply and air-conditioning technical fields, more particularly to a kind of underground heat utilization system in the poor region of groundwater run off, comprising: heat pump system, outdoor ground source heat-exchange system, room conditioning end system and solar power system.When heat supply, the heat in soil is drawn by outdoor ground source heat-exchange system and room conditioning end system is transferred thermal energy to, to indoor heating after；When refrigeration, heat pump system acting draws indoor heat by room conditioning end system, and by the source heat-exchange system heat dissipation of outdoor ground, realizes the purpose of indoor refrigeration；Electric energy required for heat pump system does work directly is provided by solar power system.The technical solution provided through the invention can maximumlly utilize the geothermal energy, meet the poor region of groundwater run off to the steady demand of ground-source heat pump system heat supply and cooling supply.
Description
Technical field
The present invention relates to energy heat supply and air-conditioning technical fields, more particularly to a kind of underground heat in the poor region of groundwater run off
Utilization system.
Background technique
With the gradually intensification of people's environmental consciousness, a kind of urgent clean energy resource of being desirable with of people replaces coal-burning boiler
To meet people's lives needs.Geothermal heat pump air-conditioner as it is a kind of cleaning, energy-saving and environmental protection new technology be recognized quickly and
Receive.It is strong often to will appear some differences but because of the difference of different places environment and landforms, in the popularization and application of ground-source heat pump system
The place of people's will leads to system fluctuation of service.Especially in the insufficient place of some groundwater run offs, a small amount of recirculated water can not
Meet the radiating requirements under high load capacity cooling condition, traditional ground-source heat pump system is only able to satisfy the demand of Winter heat supply, and nothing
Method stablizes refrigeration, and the desired effect of ground-source heat pump system stable heating and refrigeration is not achieved.
Summary of the invention
For the defects in the prior art, the underground heat utilization system in the poor region of groundwater run off provided by the invention,
The geothermal energy can be maximumlly utilized, and using solar energy as supplement, meets the poor region of groundwater run off to earth source heat pump
The steady demand of system heat supply and cooling supply.
The underground heat utilization system in the poor region of groundwater run off provided by the invention, comprising: heat pump system, outdoor ground source
Heat-exchange system, room conditioning end system and solar power system；The heat pump system includes: compressor, evaporator, expansion
Valve, condenser, entrance four-way reversing valve and outlet four-way reversing valve, compressor, evaporator, expansion valve and condenser are sequentially connected
Forming circuit；Outdoor ground source heat-exchange system includes: heat exchanger and thermal cycle pump, and the outlet of heat exchanger and thermal cycle pump
Entrance pass through pipeline connect；The room conditioning end system includes: fan coil and blower circulating pump, and fan coil goes out
Mouth is connect with the entrance of blower circulating pump by pipeline；The entrance of evaporator is connect with two ports of entrance four-way reversing valve
Afterwards, it is connect respectively with the outlet of thermal cycle pump and the outlet of blower circulating pump；The entrance and entrance four-way reversing valve of condenser
The connection of another two port after, connect respectively with the outlet of thermal cycle pump and the outlet of blower circulating pump；The outlet of evaporator
After being connect with two ports of outlet four-way reversing valve, it is connect respectively with the entrance of heat exchanger entrance and fan coil；Condenser
Outlet with outlet four-way reversing valve another two port connect after, respectively with the entrance of heat exchanger entrance and fan coil company
It connects；The solar power system includes: solar battery group, header box, battery and inverter, and solar battery group generates
Direct current be introduced into after header box converges battery storage, then by inverter by the DC inverter of battery at for institute
State the sinusoidal ac that heat pump unit directly uses.
The present invention absorbs the heat in soil by the outdoor ground source heat-exchange system for heat pump system energy supply, then leads to
It crosses and inputs a small amount of electric energy that the solar power system provides, realize low-temperature heat energy to high temperature bit transition.Water body is made respectively
For the heating agent of winter heat pump heating and the refrigerant of cooling in summer, by the room conditioning end system realize with it is indoor cold and hot
Exchange achievees the effect that indoor cool in summer and warm in winter；The switching of heat supply and cooling condition is commutated by the heat pump system entrance four-way
Valve is realized with the flow direction for exporting four-way reversing valve control loop water.
Under supplying thermal condition, the outdoor recirculated water in the heat-exchange system of outdoor ground source is by the heat exchanger in ground buried via hole interior suction
After taking soil heat, the heat pump system is pumped by the thermal cycle；The heat pump system passes through entrance four-way reversing valve
With the flow direction of outlet four-way reversing valve control loop water, outdoor recirculated water is set to be introduced into the evaporator heat release, by heat transfer
It returns to ground buried via hole to heating agent, after cooling to absorb heat again, forming chamber outer circulation.The heat pump system by the compressor work,
The heating agent for having absorbed heat in the evaporator is passed into the condenser, and completes heating agent and interior in the condenser
The heat exchange of indoor circulating water in air conditioning terminal system；After heating agent after heat transfer cooling is depressurized by the expansion valve, again
It flows into the evaporator to absorb heat again, forms heat pump heat supply circulation.The heat that indoor circulating water draws the condenser reaches confession
After warm temperature, the fan coil is transported to by the blower circulating pump, indoor heat release is completed, returns to condenser again after cooling
Secondary heat absorption forms indoor circulation.Room air absorbs fan coil bring heat, reaches heating effect.
Under cooling condition, the outdoor recirculated water in the heat-exchange system of outdoor ground source will in ground buried via hole by the heat exchanger
Heat is released to soil, after the condenser of the heat pump system is pumped by the thermal cycle, absorb the heat in refrigerant, and
Ground buried via hole is returned afterwards discharges heat, forming chamber outer circulation again.The heat pump system acting, will complete to put in the condenser
Heat coolant transmission give the evaporator, and in the evaporator in absorption chamber in air conditioning terminal system indoor circulating water heat
Amount；Refrigerant after heat absorption heating back flows back into condenser heat release again, forms heat pump refrigeration cycle.It is put through the evaporator
The indoor circulating water of heat drop temperature is transported to heat in the fan coil suction chamber by the blower circulating pump, then returns
Evaporator heat release again completes indoor circulation, realizes the purpose of room temperature lowering.
Meanwhile the Carnot cycle principle done work using heat pump system: Q2=Q1+W(Q2Energy, the Q utilized for user1For system
The geothermal energy of extraction, W are the electric energy that system uses), in water shortage, when cooling load is larger, it is necessary to increase the power of electric energy
Come improve heat pump system mechanical efficiency and water circulation speed, be just able to satisfy refrigeration demand.Wherein increased electric energy is by system
Solar power system provide.
Further, above-mentioned heat exchanger is cylinder, and the upper surface of heat exchanger is equipped with heat exchanger entrance and heat exchanger exit,
Heat exchanger entrance is connected with the spiral helicine influent stream road upper end being arranged inside heat exchanger, and heat exchanger exit and heat exchanger center are arranged
The upper end for going out runner be connected, influent stream road and the other end of the runner out position of close bottom end inside heat exchanger are connected.Pass through
Spiral helicine influent stream road increases the heat exchange area between outdoor recirculated water and soil, improves the heat exchange efficiency of unit circle water,
In the case where quantity of circulating water is less, guarantee the heat exchange amount of single cycle.
Further, above-mentioned heat exchanger material is copper alloy, and thermal coefficient is high, and the heat for increasing recirculated water in single cycle is handed over
The amount of changing.
Further, above-mentioned thermal cycle pump is screw pump；Screw pump electricity-driven heat pump, can extract more heats.
Further, the exit of above-mentioned condenser is provided with flow control valve, is recycled by the flow control valve regulation
Water flow realizes adjusting heat pump system to the purpose of single cycle water working application time, achievees the effect that control room temperature.
Further, above-mentioned flow control valve is temperature control valve, and the temperature sensor setting of the flow control valve exists
On condenser.Temperature sensing liquid volume in temperature sensor is with the corresponding expansion or shrinkage of temperature change in condenser.It is cold
When temperature is higher than setting value in condenser, temperature sensing liquid expansion pushes the spool of above-mentioned flow control valve to turn valve down downwards, reduces
The flow of recirculated water reduces the temperature of refrigerant or heating agent to increase condensation time；When temperature is lower than setting value in condenser, sense
Geothermal liquid is shunk, and reset spring pushes the spool of above-mentioned flow control valve to tune up valve, increases the flow of recirculated water, cold to reduce
The solidifying time, improve the temperature of refrigerant or heating agent；By the temperature control to refrigerant and heating agent, the automatic control of room temperature is realized
System.
Further, above-mentioned solar power system further includes a controller, the controller and above-mentioned temperature sensor
It is connected, needs to automatically control the power of solar battery group by system, improve the service life of solar battery group.
Further, above-mentioned outdoor ground source heat-exchange system further includes a cooling tower, and the cooling tower and above-mentioned heat exchanger are logical
Piping is in parallel.In unit cooling condition, if detecting, the soil moisture in ground hot hole is excessively high, auxiliary by above-mentioned cooling tower
Cooling is helped, the standard of coolant water temperature is reached.
Further, above-mentioned cooling tower is provided with cooling tower valve in the connecting pipe of outlet four-way reversing valve one end
Door, above-mentioned heat exchanger are provided with heat exchanger valve in the connecting pipe of outlet four-way reversing valve one end；Pass through above-mentioned cooling
The combination of tower valve and heat exchanger valve, selectable control cooling tower and heat exchanger while, opens or single unlatching, makes up
The deficiency of recirculated water radiating efficiency when water is smaller meets with the radiating requirements under cooling load, realizes that summer stablizes refrigeration.
Further, it is provided with equilibrated valve between the outlet of above-mentioned thermal cycle pump and the entrance of heat exchanger, to
The circulating water pressure of balance cylinder's external circulating system, the damage of thermal cycle pump or power caused by avoiding because of pressure unevenness are unstable.
Using above technical scheme, the present invention is realized in the poor region of groundwater run off, using geothermal system to indoor steady
Determine the purpose of heat supply and cooling supply.
Detailed description of the invention
Fig. 1 is principle schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of present invention heat exchanger；
Fig. 3 is the structural schematic diagram of solar power system of the present invention；
Fig. 4 is supplying thermal condition principle schematic diagram of the present invention；
Fig. 5 is cooling condition principle schematic diagram of the present invention；
Fig. 6 is the cooling condition principle schematic diagram of the invention containing cooling tower.
Appended drawing reference: 1- heat pump system；11- condenser；12- expansion valve；13- evaporator；14- compressor；15- entrance four
Logical reversal valve；151~154- entrance four-way reversing valve port；16- exports four-way reversing valve；161~164- exports four-way commutation
Valve port；17- flow control valve；18- temperature sensor；The room the 2- source Wai Di heat-exchange system；21- heat exchanger；211- heat exchanger enters
Mouthful；212- heat exchanger exit；213- influent stream road；214- goes out runner；22- thermal cycle pump；23- equilibrated valve；24- is cooling
Tower；25- cooling tower valve；26- heat exchanger valve；3- room conditioning end system；31- fan coil；32- blower circulating pump；
4- solar power system；41- solar battery group；42- header box；43- battery；44- inverter；45- controller
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses, any changes and modifications in accordance with the scope of the present application, should still belong to patent covering scope of the invention
Within.
Embodiment 1: as shown in Figures 1 to 5, the underground heat in the poor region of groundwater run off provided by the invention comprehensively utilizes system
System, comprising: heat pump system 1, outdoor ground source heat-exchange system 2, room conditioning end system 3 and solar power system 4.Heat pump system
System 1 includes: condenser 11, expansion valve 12, evaporator 13, compressor 14, entrance four-way reversing valve 15 and outlet four-way reversing valve
16；Compressor 14, evaporator 13, expansion valve 12 pass sequentially through pipeline with condenser 11 and are connected, formed refrigerant or heating agent circulation
Circuit.
Outdoor ground source heat-exchange system 2 includes: heat exchanger 21 and thermal cycle pump 22；The heat exchanger 21 is Cu alloy material
Cylinder, excellent thermal conductivity, thereon end face be equipped with heat exchanger entrance 211 and heat exchanger exit 212, heat exchanger entrance 211 with
Spiral helicine 213 upper end of influent stream road being arranged inside heat exchanger 21 is connected, heat exchanger exit 212 and the setting of 21 center of heat exchanger
The upper end of runner 214 is connected out, and influent stream road 213 and the out other end of runner 214 are in 21 inside of heat exchanger close to the position of bottom end
It is connected to form access, increases the heat exchange area between outdoor recirculated water and soil, in the case where quantity of circulating water is less, is guaranteed
The heat exchange amount of single cycle；Thermal cycle pump 22 is electricity-driven screw pump, and heat extraction is higher；Heat exchanger exit 212
It is connect with the entrance of thermal cycle pump 22 by pipeline.
Room conditioning end system 3 includes: fan coil 31 and blower circulating pump 32, the outlet of fan coil 31 and blower
The entrance of circulating pump 32 is connected by pipeline.The entrance of evaporator 13 and the port 151 of entrance four-way reversing valve 15 and port 153
After connection, it is connect respectively with the outlet of thermal cycle pump 22 and the outlet of blower circulating pump 32；The entrance and entrance of condenser 11
After the port 152 of four-way reversing valve 15 and port 154 connect, respectively with the outlet of thermal cycle pump 22 and blower circulating pump 32
Outlet connection；The outlet of evaporator 13 and the port 162 for exporting four-way reversing valve 16 and after port 164 connect, respectively with heat exchange
Device entrance 211 is connected with the entrance of fan coil 31；The port 161 and end of the outlet of condenser 11 and outlet four-way reversing valve 16
After 163 connection of mouth, it is connect respectively with the entrance of heat exchanger entrance 211 and fan coil 31；Pass through 15 He of entrance four-way reversing valve
The flow direction for exporting 16 control loop water of four-way reversing valve, forms different outdoor circulation loop and indoor circulation circuit, thus real
The switching of existing heat supply and cooling condition.
Outdoor ground source heat-exchange system 2 absorbs the heat in soil for the energy supply of heat pump system 1, and the acting of heat pump system 1 follows card
Promise circulation theory, i.e. Q2=Q1+W(Q2Energy, the Q utilized for user1It is the electricity that system uses for the geothermal energy of system extraction, W
Can), low-temperature heat energy may be implemented to high temperature bit transition in a small amount of electric energy provided by input solar power system 4.The sun
Energy electricity generation system 4 includes solar battery group 41, header box 42, battery 43, inverter 44 and controller 46；Solar battery
The direct current that group 41 generates is introduced into battery 43 after the confluence of header box 42 and stores, then passes through inverter 44 for the straight of battery
Galvanic electricity be reverse into can the sinusoidal ac that directly uses of heat pump system 1, and the generated output of the solar power system 4 is by controlling
Device 45 processed automatically adjusts, and adjusts basis source in the temperature information of temperature sensor 18 on condenser 11.Water body is respectively as the winter
Season heat pump heating heating agent and cooling in summer refrigerant, by room conditioning end system 3 realize with it is indoor it is cold and hot exchange, reach
To indoor effect cool in summer and warm in winter.
Meanwhile the exit of condenser 11 is provided with flow control valve 17, and the flow control valve 17 is temperature control valve,
Its temperature sensor 18 is arranged on condenser 11.The control action of temperature sensor 18 be proportion adjustment, in temperature sensing liquid
Body volume is with the uniform expansion or shrinkage of temperature change in condenser 11.When temperature is higher than setting value in condenser 11, sense
Geothermal liquid expansion, pushes the spool of flow control valve 17 to turn valve down downwards, the flow of recirculated water is reduced, when increasing condensation
Between, reduce the temperature of refrigerant or heating agent；When temperature is lower than setting value in condenser 11, temperature sensing liquid is shunk, and reset spring pushes
The spool of flow control valve 17 tunes up valve, increases the flow of recirculated water, to reduce condensation time, improves the temperature of refrigerant or heating agent
Degree；Circulating water flow, working application time of the control heat pump system 1 to single cycle water, realization pair are adjusted by flow control valve 17
The control of the temperature of refrigerant and heating agent achievees the purpose that automatically control indoor temperature.
As shown in figure 4, the outdoor recirculated water in outdoor ground source heat-exchange system 2 is by heat exchanger 21 on ground when system heat supply
After drawing soil heat in buried via hole, it is sent into heat pump system 1 by thermal cycle pump 22.At this point, the of entrance four-way reversing valve 15
Single port 151 and the 4th port 154 are opened, and second port 152 and third port 153 are closed；Export the of four-way reversing valve 16
Two-port netwerk 162 and third port 163 are opened, and first port 161 and the 4th port 164 are closed；Outdoor recirculated water is set to be introduced into steaming
13 heat release of device is sent out, heating agent is transferred heat to, ground buried via hole is returned after cooling and is absorbed heat again, forming chamber outer circulation.Heat pump system 1 is logical
Overcompression machine 14 does work, and the heating agent that heat has been absorbed in evaporator 13 is passed to condenser 11, and complete in condenser 11
At the heat exchange of the indoor circulating water in heating agent and room conditioning end system 3；Heating agent after heat transfer cooling passes through expansion valve 12
It after decompression, back flows back into evaporator 13 and absorbs heat again, form heat pump heat supply circulation.The heat of indoor circulating water absorption condenser 11
After reaching heating temperature, indoor fan coil 31 is transported to by blower circulating pump 32, indoor heat release is completed, is returned after cooling
Condenser 11 absorbs heat again, forms indoor circulation.Room air absorbs 31 bring heat of fan coil, reaches heating effect.
As shown in figure 5, the first port 151 of entrance four-way reversing valve 15 and the 4th port 154 are closed when cooling system,
Second port 152 and third port 153 are opened；The second port 162 and third port 163 for exporting four-way reversing valve 16 are closed,
First port 161 and the 4th port 164 are opened；Outdoor recirculated water in outdoor ground source heat-exchange system 2 is by heat exchanger 21 on ground
Soil is rejected heat in buried via hole, after by thermal cycle pump 22 be sent into heat pump systems 1 condenser 11 absorb refrigerant in heat
Amount then returns to ground buried via hole and discharges heat, forming chamber outer circulation again.Heat pump system 1 does work, and will complete to put in condenser 11
Heat coolant transmission to evaporator 13, and in evaporator 13 absorb indoor circulating water heat, heat absorption heating after refrigerant weight
It is new to flow into the heat release again of condenser 11, form heat pump refrigeration cycle.The indoor circulating water to cool down through 13 heat release of evaporator, passes through wind
Machine circulating pump 32 is transported to heat in 31 suction chamber of fan coil, then the heat release again of Returning evaporimeter 13, completes indoor circulation,
Realize the purpose of room temperature lowering.
Embodiment 2: as shown in fig. 6, component included by the present embodiment, the pass between the structure of each component and each component
It is same as Example 1, the difference is that further including cooling tower 24, cooling tower valve 25, heat exchanger valve 26 and pressure balance
Valve 23.
Cooling tower 24 is in parallel by pipeline with heat exchanger 21, and cooling tower 24 is close to the company of outlet 16 one end of four-way reversing valve
Cooling tower valve 25 is set on adapter tube road, and heat exchange is arranged in heat exchanger 21 in the connecting pipe of outlet 16 one end of four-way reversing valve
Device valve 26, by the combination of cooling tower valve 25 and heat exchanger valve 26, selectable control cooling tower 24 and heat exchanger 21
While open or single unlatching.Equilibrated valve 23 is set between the outlet and heat exchanger entrance 211 of thermal cycle pump 22,
The circulating water pressure of balance cylinder's external circulating system 2,22 damage of thermal cycle pump or power caused by avoiding because of pressure unevenness are unstable.
When system heat supply, the work of cooling tower 24 is not needed.At this point, the closure of cooling tower valve 25 isolates cooling tower 24, together
The hot device valve 26 of Shi Kaiqi guarantees the unimpeded of outdoor circulation, realizes heating cycle same as Example 1.
When cooling system, system circulation state is identical as the refrigeration cycle of embodiment.Load when heat pump system 1 freezes increases
Greatly, but because quantity of circulating water is less, the heat-sinking capability of system is limited, the temperature that may result in local soil in ground hot hole is excessively high,
Refrigeration can not be stablized.When detecting that the soil moisture in ground hot hole is excessively high, opens cooling tower valve 25 and open cooling tower 24, lead to
24 auxiliary temperature-reducing of supercooling tower, make up water it is smaller when recirculated water radiating efficiency deficiency, meet biggish under cooling load
Radiating requirements realize that summer stablizes the purpose of refrigeration.
The underground heat utilization system in the poor region of groundwater run off provided by the invention, in water shortage area, using ground source heat
The mode that pump technology is combined with solar energy generation technology, and pass through the soil heat exchanger of high heat exchange efficiency, it is maximized to utilize
The geothermal energy increases the acting of electric energy in cooling in summer, and the power of overall improved system guarantees that stable refrigeration is negative
Lotus meets the poor region of groundwater run off to the steady demand of ground-source heat pump system heat supply and cooling supply.
Claims (8)
1. a kind of underground heat utilization system in the poor region of groundwater run off characterized by comprising heat pump system, outdoor ground
Source heat-exchange system, room conditioning end system and solar power system；
The heat pump system includes: compressor, evaporator, expansion valve, condenser, entrance four-way reversing valve and outlet four-way commutation
Valve, compressor, evaporator, expansion valve and condenser are sequentially connected forming circuit；
Outdoor ground source heat-exchange system includes: heat exchanger and thermal cycle pump, and the outlet of heat exchanger enters with what thermal cycle pumped
Mouth passes through pipeline and connects；
The room conditioning end system includes: fan coil and blower circulating pump, outlet and the blower circulating pump of fan coil
Entrance pass through pipeline connect；
The outlet pumped respectively with thermal cycle after the entrance of evaporator is connect with two ports of entrance four-way reversing valve and blower
The outlet of circulating pump connects；After the entrance of condenser is connect with the another two port of entrance four-way reversing valve, followed respectively with underground heat
The outlet of ring pump is connected with the outlet of blower circulating pump；The outlet of evaporator is connect with two ports of outlet four-way reversing valve
Afterwards, it is connect respectively with the entrance of heat exchanger entrance and fan coil；The another two of the outlet of condenser and outlet four-way reversing valve
After the connection of port, it is connect respectively with the entrance of heat exchanger entrance and fan coil；
The solar power system includes: solar battery group, header box, battery and inverter, and solar battery group produces
Raw direct current is introduced into battery storage after header box converges, then passes through inverter for the DC inverter of battery into confession
The sinusoidal ac that the heat pump unit directly uses；
The exit of the condenser is provided with flow control valve, and the flow control valve is temperature control valve, the temperature control
The temperature sensor of valve processed is arranged on condenser, and the temperature sensing liquid volume in temperature sensor becomes with the temperature in condenser
Change uniform expansion or shrinkage, when temperature is higher than setting value in condenser, temperature sensing liquid expansion pushes the spool of flow control valve
Turn valve down downwards, when temperature is lower than setting value in condenser, temperature sensing liquid is shunk, and reset spring pushes flow control valve
Spool tunes up valve.
2. the underground heat utilization system in the poor region of groundwater run off according to claim 1, which is characterized in that described to change
Hot device is cylinder, and the upper surface of heat exchanger is equipped with heat exchanger entrance and heat exchanger exit, inside heat exchanger entrance and heat exchanger
The spiral helicine influent stream road upper end being arranged is connected, and heat exchanger exit is connected with the upper end for going out runner that heat exchanger center is arranged, into
Runner is connected with position of the other end of runner out inside heat exchanger close to bottom end.
3. the underground heat utilization system in the poor region of groundwater run off according to claim 2, which is characterized in that described to change
Hot equipment matter is copper alloy.
4. the underground heat utilization system in the poor region of groundwater run off according to claim 1, which is characterized in that describedly
Hot recycle pump is screw pump.
5. the underground heat utilization system in the poor region of groundwater run off according to claim 1, which is characterized in that it is described too
Positive energy electricity generation system further includes a controller, and the controller is connected with the temperature sensor, controls solar battery group
Power.
6. the underground heat utilization system in the poor region of groundwater run off according to claim 1, which is characterized in that the room
Nonlocal source heat-exchange system further includes a cooling tower, and the cooling tower is in parallel by pipeline with the heat exchanger.
7. the underground heat utilization system in the poor region of groundwater run off according to claim 6, which is characterized in that described cold
But tower is provided with cooling tower valve in the connecting pipe of outlet four-way reversing valve one end, and the heat exchanger is close to outlet four-way
Heat exchanger valve is provided in the connecting pipe of reversal valve one end.
8. the underground heat utilization system in the poor region of groundwater run off according to claim 1, which is characterized in that describedly
Equilibrated valve is provided between the outlet of hot recycle pump and the entrance of heat exchanger.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610773114.9A CN106382767B (en) | 2016-08-30 | 2016-08-30 | The underground heat utilization system in the poor region of groundwater run off |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610773114.9A CN106382767B (en) | 2016-08-30 | 2016-08-30 | The underground heat utilization system in the poor region of groundwater run off |
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| Publication Number | Publication Date |
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| CN106382767A CN106382767A (en) | 2017-02-08 |
| CN106382767B true CN106382767B (en) | 2019-03-19 |
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| CN108302677A (en) * | 2018-02-06 | 2018-07-20 | 刘二丽 | Air-conditioning system based on underground energy conversion |
| CN113865147A (en) * | 2021-09-16 | 2021-12-31 | 国网浙江省电力有限公司湖州供电公司 | Automatic temperature control system and method for ground source heat pump |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008537A (en) * | 2007-01-11 | 2007-08-01 | 清华大学 | Integrated air-conditioning system of solar-assisted soil source CO2 trans-critical heat pump |
| CN201344675Y (en) * | 2008-12-05 | 2009-11-11 | 曾智勇 | Wind-solar complementary ground-source heat pump air-conditioner unit |
| CN202221187U (en) * | 2011-09-01 | 2012-05-16 | 中国轻工业武汉设计工程有限责任公司 | Automatic switching device for waterway of ground source heat pump unit in winter and summer |
| CN102494378A (en) * | 2011-12-06 | 2012-06-13 | 安徽日源环保能源科技有限公司 | Architectural energy-saving system utilizing multiple renewable energy sources |
| CN202675737U (en) * | 2012-07-13 | 2013-01-16 | 北京中标新亚机电工程有限公司 | Heating and cooling system |
| CN203385118U (en) * | 2013-07-12 | 2014-01-08 | 重庆京天能源投资股份有限公司 | Temperature adjustment system driven by green energy resource |
| CN104061717A (en) * | 2014-06-28 | 2014-09-24 | 新疆太阳能科技开发公司 | Seasonal thermal storage solar low-temperature thermal electricity generation composite ground-source heat pump system |
| CN204154030U (en) * | 2014-10-14 | 2015-02-11 | 新乡职业技术学院 | A kind of energy-conserving and environment-protective with device of solar generating source heat pump system domestically |
| CN104748441A (en) * | 2015-04-07 | 2015-07-01 | 青岛理工大学 | Subway waste heat recovery system using thin-shell heat exchanger |
| CN104879953A (en) * | 2015-05-27 | 2015-09-02 | 长春圣火科技发展有限公司 | Light energy, wind energy and geothermal energy comprehensive utilization device |
| CN105042941A (en) * | 2015-08-04 | 2015-11-11 | 上海电力学院 | Compound system of photovoltaic solar heat pump |
-
2016
- 2016-08-30 CN CN201610773114.9A patent/CN106382767B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008537A (en) * | 2007-01-11 | 2007-08-01 | 清华大学 | Integrated air-conditioning system of solar-assisted soil source CO2 trans-critical heat pump |
| CN201344675Y (en) * | 2008-12-05 | 2009-11-11 | 曾智勇 | Wind-solar complementary ground-source heat pump air-conditioner unit |
| CN202221187U (en) * | 2011-09-01 | 2012-05-16 | 中国轻工业武汉设计工程有限责任公司 | Automatic switching device for waterway of ground source heat pump unit in winter and summer |
| CN102494378A (en) * | 2011-12-06 | 2012-06-13 | 安徽日源环保能源科技有限公司 | Architectural energy-saving system utilizing multiple renewable energy sources |
| CN202675737U (en) * | 2012-07-13 | 2013-01-16 | 北京中标新亚机电工程有限公司 | Heating and cooling system |
| CN203385118U (en) * | 2013-07-12 | 2014-01-08 | 重庆京天能源投资股份有限公司 | Temperature adjustment system driven by green energy resource |
| CN104061717A (en) * | 2014-06-28 | 2014-09-24 | 新疆太阳能科技开发公司 | Seasonal thermal storage solar low-temperature thermal electricity generation composite ground-source heat pump system |
| CN204154030U (en) * | 2014-10-14 | 2015-02-11 | 新乡职业技术学院 | A kind of energy-conserving and environment-protective with device of solar generating source heat pump system domestically |
| CN104748441A (en) * | 2015-04-07 | 2015-07-01 | 青岛理工大学 | Subway waste heat recovery system using thin-shell heat exchanger |
| CN104879953A (en) * | 2015-05-27 | 2015-09-02 | 长春圣火科技发展有限公司 | Light energy, wind energy and geothermal energy comprehensive utilization device |
| CN105042941A (en) * | 2015-08-04 | 2015-11-11 | 上海电力学院 | Compound system of photovoltaic solar heat pump |
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