CN108469085A - A kind of earth source heat pump all fresh air air-conditioning system based on the storage of shallow-layer heat - Google Patents
A kind of earth source heat pump all fresh air air-conditioning system based on the storage of shallow-layer heat Download PDFInfo
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- CN108469085A CN108469085A CN201810242339.0A CN201810242339A CN108469085A CN 108469085 A CN108469085 A CN 108469085A CN 201810242339 A CN201810242339 A CN 201810242339A CN 108469085 A CN108469085 A CN 108469085A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F5/005—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using energy from the ground by air circulation, e.g. "Canadian well"
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
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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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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a kind of earth source heat pump all fresh air air-conditioning systems based on the storage of shallow-layer heat, including：Earth source heat pump unit, electric heating unit, heat transfer unit, for return water unit and all-fresh air processing and heat exchange unit；It can be supplemented for earth source heat pump unit by electric heating unit and heat is provided；The stratum infiltration that working medium in heat transfer unit can be stored up with heat in pipeline exchanges heat；Heat exchange can be carried out for the recirculated water in return water unit with the working medium in heat transfer conduit；All-fresh air processing and heat exchange unit include exhausting system and air-makeup system；The fresh air that air-makeup system fills into can carry out heat exchange with for the recirculated water in return water unit, and exhausting system can detach indoor old wind.The all fresh air air-conditioning system of the present invention, no return air, the fresh air that indoor cooling and heating load is all provided by all fresh air air-conditioning system undertake；Electric heating unit can utilize the paddy electricity at night to provide part of heat energy for earth source heat pump unit.
Description
Technical field
The invention belongs to Heating,Ventilating and Air Conditioning technical field, more particularly to a kind of earth source heat pump all-fresh air based on the storage of shallow-layer heat is empty
Adjusting system.
Background technology
As modern architecture seal is higher and higher and PM2.5 increasingly causes everybody concern, room air product
The importance of matter is gradually taken seriously, therefore fresh air system enters the visual field of people.Fresh air system market prospects are wide
It is wealthy, generally had an optimistic view of.Traditional draft type such as opens a window ventilation, and temperature difference, difference in height can be influenced by season and weather, room
Outer air is unclear new, can not blocking noise dust；The instantaneous exhaust air rate of ventilation fan ventilation is big, but can not continuously exclude pernicious gas,
The fresh air in room cannot be fed, service life is short and noise is big；Air-conditioning only carries out original room air to recycle cold and hot place
Reason, fresh air volume fill into deficiency, cannot exclude secondary pollution caused by pernicious gas and air hose.
With the development of industry, city incity building the more is built the more high, and the central air conditioner system in Tall Office Building makes people tight
Door and window is closed, the air of foul indoor can not be discharged outdoor by air-conditioning, the white collar in office building is caused often to may feel that air-conditioning
It is sometimes hot and sometimes cold, or have dizzy situation, the key of problem is that office building ventilation is difficult.High-rise office room, office building mostly use
Closed design, fire exit door all be close, atmosphere draught-free, muddy air easily become transmission " member
It is fierce ".Not only at home, also more notable in this external phenomenon.There is statistics to show, Britain has 1/10 busy in office building all day
People all successively suffered from " office building syndrome ", arch-criminal is exactly that the air quality of working environment is bad.
What the World Health Organization announced《World Health Report》In, room air pollution is clearly classified as threat human health
One of ten big factors.Environment specialist points out, after " coal smoke type " and " chemical fumes type " pollution, modern just entering with
" room air pollution " is the third generation pollution period of mark.According to the statistics of the World Health Organization, the people of the nearly half in the whole world is in room
In interior air pollution, 35.7% breathing problem, 22% chronic lung disease and 24.5% lung cancer are by room air pollution
It is caused.
This four big element of temperature, humidity, quality and impurity is the key that ensure indoor air quality, and solve above-mentioned ask
The key of topic, and fresh air system is to solve the key of problems.Fresh air system, also known as " house respiratory system ", it is a kind of novel
Room ventilation exhaust equipment, outdoor fresh air also can be introduced room by it while the air of foul indoor is discharged outdoor
It is interior.Fresh air system belongs to the open circulatory system, the fresh outdoor air by filtering is provided for interior within daily 24 hours,
Allow people that can also breathe fresh, clean, high-quality air indoors.
Fresh air system is a kind of pursuit lived to high-quality in modern society, is most effective air pollution solution party
Case.Fresh air system there are many other exhaust ways do not have the advantages of, bright spot, the attraction of building can be increased, high-rise apartment building,
The use of Office Building, hotel not only may replace the screen window of family, keep building more attractive, noble, prevent from building it is mouldy, also
Save cancel exhaust fan and its piping shaft, the parts fund such as the large area of windowpane is fixed, greatly reduce estate management at
This, increases the use function of building, and healthy, quiet, comfortable living space is brought for owner.The U.S., Japan, Britain
Equal developed countries, proportion has reached 2.7% to fresh air system industry in total output value at home.Europe fresh air system
It has been widely used more than 40 years.In many developed countries, such as：France, fresh air system have become the standard configuration facility system of building
System.It is all to enforce that, which there are corresponding rules and regulations, the installation of fresh air system in Japan, and the Japanese architecture after 2003 uses
It is 100% that the probability of fresh air system, which reaches,.
The Chinese of 21st century increasingly begin to focus on health, concern after the prevalence of the diseases such as SARS, first stream
Environmental protection, concern air quality are that " natural, health " theory comes true and incorporates indoor brand --- it is i.e. same indoors
The pure and fresh of the Nature is enjoyed, the combination of the two certainly will bring up the completely new platform of ideal concept of residence.Completely new office building removes
Except outfit central air conditioner system, it fresh air system generally can be also installed, can not only accomplish energy saving, it can also be ensured that air
Freshness.The fresh air system in novel writing building has done recuperation of heat processing, not only stops that the energy is lost in, but also play displaced air
Effect, the indoor air quality for being always maintained at high-quality can be made, the discomfort of human body is reduced, control the propagation of disease.
As population is continuously increased, city scope constantly expands, future, which will have more and more high-rises, to be occurred.
In order to ensure that the health of people indoors, fresh air system are essential, the foreground of fresh air system is also more and more wide.
The true value that can bring people using fast net fresh air system is exactly the basic raising of quality of life, and the thorough of life idea flies
Jump.Traditional fresh air system fresh air does not undertake cooling and heating load, needs to be used in combination with air-conditioning system, and there is an urgent need for a kind of novel complete
Undertake the wholly fresh air of cooling and heating load.
Invention content
The purpose of the present invention is to provide a kind of earth source heat pump all fresh air air-conditioning systems based on the storage of shallow-layer heat, in solution
It states.The present invention is all fresh air air-conditioning system, and no return air, indoor cooling and heating load is all by all-fresh air air-conditioning
The fresh air that system provides undertakes；Electric heating system can utilize the paddy electricity at night on the one hand to provide part heat for ground-source heat pump system
On the other hand source can provide heat for back-up sand stratum, ensure the stabilization of back-up sand Formation heat.
In order to reach object above, the present invention takes following technical scheme：
A kind of earth source heat pump all fresh air air-conditioning system based on the storage of shallow-layer heat, including：Earth source heat pump unit, electric heating unit
Member, heat transfer unit, for return water unit and all-fresh air processing and heat exchange unit；Earth source heat pump unit include underground pumped well,
Well, back-up sand layer and heat storage pipeline next time；Underground pumped well is connected in underground by back-up sand layer with underground back water well, underground water
Underground pumped well can be entered from underground back water well by back-up sand layer in a manner of seepage flow；The water inlet of heat storage pipeline is taken out with underground
Well is connected, and water outlet is connected with underground back water well, and heat stores up and is provided with draw water water pump and First Heat Exchanger on pipeline, and first
Is provided with water outlet mouthpiece on heat storage pipeline between heat exchanger and underground pumped well and enters water interface, water outlet mouthpiece with enter water interface
Between heat storage pipeline on be provided with the first control valve；Electric heating unit includes heating pipe and electric heater unit；Heating pipe
Water inlet be connected with the water outlet mouthpiece on heat storage pipeline, the water outlet of heating pipe is stored up with heat enters water interface phase on pipeline
Connection；Electric heater unit is provided on heating pipe, on the heating pipe between electric heater unit and the water inlet of heating pipe
It is provided with the second control valve, third control is provided on the heating pipe between electric heater unit and the water outlet of heating pipe
Valve, electric heater unit can heat the water in heating pipe；Heat transfer unit includes heat transfer conduit, the second heat exchanger
And compressor；Second heat exchanger and compressor are arranged in heat transfer conduit, and working medium is filled in heat transfer conduit, compress function
Enough driving working medium flows in heat transfer conduit；Heat transfer conduit is connected with First Heat Exchanger, the working medium in heat transfer conduit
Heat exchange can be carried out by First Heat Exchanger and the water in heat storage pipeline；Include for water return pipeline, recirculated water for return water unit
Pump and several air diffusers；Water circulating pump and several air diffusers are arranged on for water return pipeline, for being filled with cycle in water return pipeline
Water, water circulating pump can drive recirculated water to be flowed in for water return pipeline；It is connected with the second heat exchanger for water return pipeline, for returning
Recirculated water in waterpipe can carry out heat exchange by the working medium in the second heat exchanger and heat transfer conduit；Air diffuser disperses cloth
It is placed in building；All-fresh air processing and heat exchange unit include exhausting system and air-makeup system；Exhausting system can be by indoor sky
Gas is extracted into outdoor, and outdoor air can be pumped into indoor by air-makeup system.
Further, exhausting system includes air draft pipe；Air draft pipe is provided with several air intake vents and air outlet, inlet air
In in building, it is outer that air outlet is set to building, and induced draft fans are provided on air draft pipe for mouthful dispersed placement, by air draft pipe and
The foul atmosphere in building can be discharged for induced draft fans；Air-makeup system includes secondary air channel road, and secondary air channel road is provided with air intake vent
It is set to outside building with the air intake vent of several air outlets, secondary air channel road, the air outlet in secondary air channel road is connected with air diffuser respectively
It connects；Secondary air channel road, which is provided with, mends wind wind turbine, and can the air outside building air diffuser be inputted by mending wind wind turbine and secondary air channel road,
Fresh air can carry out heat exchange in air diffuser with for the recirculated water in water return pipeline, complete the fresh air energy of heat exchange
Enough entered in building by air diffuser, secondary air channel is additionally provided with air filtering purifier on road.
Further, it is additionally provided with anion humidification device on the secondary air channel road between air filtering purifier and air diffuser.
Further, further include total-heat exchanger；Secondary air channel road and air draft pipe are connected with total-heat exchanger respectively, mend
Old wind energy in fresh air and air draft pipe in wind pipeline enough carries out heat exchange in total-heat exchanger.
Further, include several water supply lines and several water return pipelines for water return pipeline；The water outlet of each water supply line
Mouth is connected with the water inlet of air diffuser, and the water inlet of each water supply line is connected with the second heat exchanger；Each return water
The water inlet of pipeline is connected with the water outlet of air diffuser, and the water outlet of each water return pipeline is connected with the second heat exchanger
It is logical.
Further, First Heat Exchanger is evaporator/condenser, and the second heat exchanger is condenser/evaporator, the first heat exchange
It is additionally provided with expansion valve and reversal valve in heat transfer conduit between device and the second heat exchanger.
Further, it is additionally provided with filter in heat transfer conduit.
Further, back-up sand layer is obliquely installed, and one end that back-up sand layer is connected with underground back water well is higher than back-up sand layer and ground
One end that lower pumped well is connected, infiltration can enter underground pumping from underground back water well across sand bed seepage flow is filled out under gravity
Well.
Further, it is both provided with heat conduction cement layer on the side wall of underground pumped well, underground back water well and back-up sand layer.
Further, heat is stored up pipeline, is examined for being both provided with temperature-detecting device and flow on water return pipeline and secondary air channel road
Survey device.
Compared with the prior art, the invention has the advantages that：
Since formation temperature is comparatively stablized, all fresh air air-conditioning system of the invention takes full advantage of the cold and hot of stratum
Amount, can reach energy-efficient effect：Winter, the return water after room heat supply enter underground back water well, and seepage flow enters back-up sand layer, seepage water
It can fully absorb heat in back-up sand layer；Summer, the return water after room heat absorption can be sufficiently exothermic in back-up sand stratum.Compared to tradition
Fresh air conditioner system, the fresh air of air-conditioning system of the invention undertakes indoor whole cooling and heating loads, and no return air is, it can be achieved that really
Completely new air system.In addition, the air-conditioning system of the present invention eliminates the deep-well well-digging expense of great number without beating deep-well.Auxiliary
Electric heating system can be stratum supplement certain heat, avoid temperature instability of the stratum due to continuous longtime running when
Condition, and electric heating system can be run in paddy electricity period, can further promote economy.
Further, it can be added in mending wind beneficial to anion by the way that anion humidification device is arranged, the fresh air of supplement can be made
It is healthier to human body, also human body sensory can be made more comfortable.
Further, by the way that total-heat exchanger is arranged, old wind and fresh air can be made to carry out heat exchange, further save the energy.
Further, each air diffuser is accessed for water return pipeline by the way of in parallel, it is ensured that in each air diffuser
The temperature of recirculated water is roughly the same, it is ensured that recirculated water and fresh air have preferable heat transfer effect in each radiator.
Further, filter can guarantee the cleannes of recirculated water in heat transfer conduit, prevent heat transfer conduit generator tube
Road blocks.
Further, back-up sand layer is obliquely installed to the seepage flow under the effect of gravity that is conducive to seep water and passes through back-up sand layer.
Further, underground back water well, underground pumped well and back-up sand layer by heat conduction cement can preferably with it is surrounding
Stratum carries out heat exchange；In addition, also can preferably reinforce the underground space by heat conduction cement layer.
Further, the temperature of water or working medium in pipeline can be measured by temperature-detecting device and flow detector in real time
And flow.
Description of the drawings
Fig. 1 is a kind of overall structure signal of earth source heat pump all fresh air air-conditioning system stored up based on shallow-layer heat of the present invention
Figure；
In Fig. 1：1. draw water water pump, 2. First Heat Exchangers, 3. temperature-detecting devices, 4. switching valves, 5. compressors, and 6. second
Heat exchanger, 7. expansion valves, 8. filters, 9. heaters, 10. power-supply systems, 11. water circulating pumps, 12. heat conduction cement layers, 13. fill out
Layer of sand, 14. air diffusers, 15, flow detector, 16 anion humidification devices, 17. induced draft fans, 18. total-heat exchangers, 19. is empty
Gas filtration purifier, 20. mend wind wind turbine.
Specific implementation mode
The present invention is described in further details in the following with reference to the drawings and specific embodiments.
With reference to figure 1, a kind of earth source heat pump all fresh air air-conditioning system based on the storage of shallow-layer heat of the invention, including：Ground source heat
Pump unit, electric heating unit, heat transfer unit, for return water unit and all-fresh air processing and heat exchange unit.
Earth source heat pump unit include underground pumped well, underground back water well, back-up sand layer 13 and heat storage pipeline, underground pumped well,
The heat conduction cement layer 12 for reinforcing underground space wall surface is both provided on the side wall of underground back water well and back-up sand layer 13；Back-up sand layer 13 inclines
Tiltedly setting, one end that back-up sand layer 13 is connected with underground back water well are higher than one end that back-up sand layer 13 is connected with underground pumped well,
Infiltration can enter underground pumped well from underground back water well across 13 seepage flow of back-up sand layer under gravity.Underground pumped well and ground
Well is connected in underground by back-up sand layer 13 next time, and underground water can pass through back-up sand layer in a manner of seepage flow from underground back water well
13 enter underground pumped well；The water inlet of heat storage pipeline is connected with underground pumped well, and water outlet is connected with underground back water well,
It is provided with draw water water pump 1 and First Heat Exchanger 2 on heat storage pipeline, the heat storage pipeline between First Heat Exchanger 2 and underground pumped well
On be provided with water outlet mouthpiece and enter water interface, water outlet mouthpiece and enter and be provided with the first control valve on heat storage pipeline between water interface
V1.The inlet and outlet of heat storage pipeline are both provided with temperature-detecting device 3 and flow detector 15, respectively thermometer
And flowmeter.
Electric heating unit includes heating pipe and electric heater unit；The water inlet of heating pipe and the water outlet on heat storage pipeline
Interface is connected, and the water outlet of heating pipe is connected with the water interface that enters on heat storage pipeline；Electricity is provided on heating pipe to add
The second control valve V2, electrical heating are provided on heating pipe between the water inlet of thermal, electric heater unit and heating pipe
Third control valve V3 is provided on heating pipe between device and the water outlet of heating pipe, electric heater unit can be to heating
Water in pipeline is heated；
Heat transfer unit includes heat transfer conduit, the second heat exchanger 6 and compressor 5, heat transfer conduit by switching valve 4 with
Compressor 5 is connected；Second heat exchanger 6 and compressor 5 are arranged in heat transfer conduit, and working medium is filled in heat transfer conduit,
Compressor 5 can drive working medium to be flowed in heat transfer conduit；Heat transfer conduit is connected with First Heat Exchanger 2, transfer pipes
Working medium in road can carry out heat exchange by First Heat Exchanger 2 and the water in heat storage pipeline；Expansion valve 7 and filter 8 are arranged
In heat transfer conduit.First Heat Exchanger 2 is condenser or evaporator, and corresponding second heat exchanger 6 is evaporator or condenser.
Include for water return pipeline, water circulating pump 11 and several air diffusers 14 for return water unit；Water circulating pump 11 and it is several dissipate
It flows device 14 to be arranged on for water return pipeline, for being filled with recirculated water in water return pipeline, water circulating pump 11 can drive recirculated water to exist
For being flowed in water return pipeline；It is connected with the second heat exchanger 6 for water return pipeline, can passes through for the recirculated water in water return pipeline
Two heat exchangers 6 carry out heat exchange with the working medium in heat transfer conduit；14 dispersed placement of air diffuser is in building；For water return pipeline packet
Include several water supply lines and several water return pipelines；The water outlet of each water supply line is connected with the water inlet of air diffuser 14,
The water inlet of each water supply line is connected with the second heat exchanger 6；The water inlet of each water return pipeline with air diffuser 14
Water outlet is connected, and the water outlet of each water return pipeline is connected with the second heat exchanger 6.For being provided with temperature on water return pipeline
Detection device 3 and flow detector 15.
All-fresh air processing and heat exchange unit include exhausting system and air-makeup system；Exhausting system includes air draft pipe；Exhausting
Pipeline is provided with several air intake vents and air outlet, and air intake vent dispersed placement is in building, and air outlet is set to outside building, exhausting
It is provided with induced draft fans 17 on pipeline, the foul atmosphere in building can be discharged by air draft pipe and induced draft fans 17；It mends
Wind system includes secondary air channel road and total-heat exchanger 18, and secondary air channel road is provided with air intake vent and several air outlets, secondary air channel road
Air intake vent be set to that building is outer, and the air outlet in secondary air channel road is connected with air diffuser 14 respectively；Secondary air channel road is provided with benefit wind
Air outside building can be inputted air diffuser 14 by wind turbine 20 by mending wind wind turbine 20 and secondary air channel road, and fresh air can be
Carry out heat exchange with for the recirculated water in water return pipeline in air diffuser 14, complete the fresh air of heat exchange by air diffuser 14 into
Enter in building, mends and be additionally provided with air filtering purifier 19 on the secondary air channel road between wind wind turbine 20 and air diffuser 14.Air mistake
It is additionally provided with anion humidification device 16 on secondary air channel road between filter clarifier 19 and air diffuser 14.Secondary air channel road and air draft pipe
It is connected respectively with total-heat exchanger 18, the old wind energy in the fresh air and air draft pipe in secondary air channel road is enough in total-heat exchanger 18
Interior carry out heat exchange.Temperature-detecting device 3 and flow detector 15 are provided on secondary air channel road.
The course of work of all fresh air air-conditioning system of the present invention is：
Shallow-layer in the present invention refers to that the bottom within 200 meters of ground surface, the water of underground back water well pass through seepage flow
Mode enter underground pumped well across back-up sand layer, in underground back water well, back-up sand layer and underground draw water well water with bottom protect
Heat exchange is held, by the way that heat conduction cement layer is arranged, above-mentioned heat exchange can be accelerated；By drawing water, water pump is extracted from the pumped well of underground
The water that underground percolation goes out, water enters First Heat Exchanger by heat storage pipeline and the working medium of circular flow in heat transfer conduit is changed
Heat, the water after exchanging heat store up pipeline by heat and are passed through underground back water well；Working medium in heat transfer conduit after heat exchange is in compressor
Driving is lower to carry out heat exchange into the second heat exchanger with for the recirculated water in water return pipeline, and the working medium for completing heat exchange again passes through heat
It transmits pipeline and is again introduced into First Heat Exchanger completion cycle；Recirculated water after heat exchange passes through the water supply line difference for water return pipeline
Heat exchange is completed into the fresh air in air diffuser, with air diffuser, the recirculated water after exchanging heat again passes through the return water for water return pipeline
Pipeline is again introduced into the second heat exchanger and completes cycle；Fresh air after heat exchange is entered by air diffuser in building.For a period of time, it builds
After interior air dirt, the old wind in building is extracted out by induced draft fans and air draft pipe, by mending wind wind turbine and secondary air channel
Outdoor air is sent into air diffuser by road, and outdoor air is purified during feeding by air filtering purifier, by bear from
Anion is added in sub- humidifier, and the outdoor air filled into completes heat exchange with old wind in total-heat exchanger.
The course of work of electric heating unit：
Electric heater unit includes heater 9 and power-supply system 10, and the earth source heat pump unit of electric heating unit in winter provides
Run when thermic load is insufficient and evening paddy electricity, carrying out practically process is as follows：It closes the first control valve V1, while opening the
Two control valve V2 and third control valve V3, at this time stratum filtration water can flow through heater 9, open power-supply system, pass through heating
Device 9 heats stratum infiltration.On the one hand heat can be provided for earth source heat pump unit, on the other hand can is stratum supplement heat
Amount, so as to the normal table longtime running on ground-source heat pump system daytime.
The operation principle of the present invention：
1) when winter, the groundwater abstraction from earth source heat pump pumped well, the heat source of the evaporator as ground-source heat pump system,
Underground water exchanges heat in First Heat Exchanger with the operation working medium of heat transfer unit, and the water after exchanging heat enters earth source heat pump system
The back water well of system, subsequent stratum return water under gravity in a manner of seepage flow by back-up sand layer, in back-up sand layer with stratum
Fully heat exchange finally flows into the pumped well of earth source heat pump, completes heat pump stratum and takes one of hot side to recycle.Wherein, back-up sand layer
Heat is supplemented by heat conduction cement by the energy of its surrounding formation.In the second heat exchanger side of heat transfer unit, heat passes
The operation working medium of unit is passed to, for return water heat release, the heating water after heating enters the air diffuser in room for return water unit, with warp
The new air heat-exchange after the processing such as purification, dedusting is crossed, the fresh air after then exchanging heat is sent into air-conditioned room.When summer, back-up sand stratum
As the release end of heat of ground-source heat pump system, the refrigeration duty needed for air-conditioned room is provided to the user.When season in spring and autumn, room does not need
Cooling and heating load is used only all-fresh air processing system and provides fresh air to room.
2) when winter, in system operation, system constantly takes heat, stratum to will appear the feelings of temperature unevenness to stratum
Condition, at this time using the paddy electricity at night, it is earth source heat pump unit and heat transfer unit supplement part heat to open electric heating system
Amount.
3) all-fresh air processing and heat-exchange system operation principle：Extract outdoor air after air filter dedusting with interior
The foul atmosphere of extraction exchanges heat in total-heat exchanger, and winter fresh air recycles part of waste heat or the recycling of summer fresh air of foul atmosphere
Air-conditioned room is discharged in the part waste cold of foul atmosphere, the foul atmosphere after heat exchange, and then fresh air enters the negative ion humidification in room
Device is added anion to new air and adjusts its humidity, and then meets user health demand.
Claims (10)
1. a kind of earth source heat pump all fresh air air-conditioning system based on the storage of shallow-layer heat, which is characterized in that including：Earth source heat pump unit,
Electric heating unit, heat transfer unit, for return water unit and all-fresh air processing and heat exchange unit；
Earth source heat pump unit includes underground pumped well, underground back water well, back-up sand layer (13) and heat storage pipeline；Underground pumped well and ground
Well is connected in underground by back-up sand layer (13) next time, and underground water can from underground, back water well passes through back-up sand in a manner of seepage flow
Layer (13) enters underground pumped well；The water inlet of heat storage pipeline is connected with underground pumped well, water outlet and underground back water well phase
Connection, heat stores up and is provided with the water pump that draws water (1) and First Heat Exchanger (2) on pipeline, between First Heat Exchanger (2) and underground pumped well
Heat storage pipeline on be provided with water outlet mouthpiece and enter water interface, water outlet mouthpiece and entering is provided on heat storage pipeline between water interface
First control valve；
Electric heating unit includes heating pipe and electric heater unit；The water inlet of heating pipe and the water outlet mouthpiece on heat storage pipeline
It is connected, the water outlet of heating pipe is connected with the water interface that enters on heat storage pipeline；Electrical heating dress is provided on heating pipe
Set, be provided with the second control valve on the heating pipe between electric heater unit and the water inlet of heating pipe, electric heater unit with
Third control valve is provided on heating pipe between the water outlet of heating pipe, electric heater unit can be in heating pipe
Water is heated；
Heat transfer unit includes heat transfer conduit, the second heat exchanger (6) and compressor (5)；Second heat exchanger (6) and compressor
(5) it is arranged in heat transfer conduit, working medium is filled in heat transfer conduit, compressor (5) can drives working medium in transfer pipes
It is flowed in road；Heat transfer conduit is connected with First Heat Exchanger (2), and the working medium in heat transfer conduit can pass through First Heat Exchanger
(2) heat exchange is carried out with the water in heat storage pipeline；
Include for water return pipeline, water circulating pump (11) and several air diffusers (14) for return water unit；Water circulating pump (11) and several
Air diffuser (14) is arranged on for water return pipeline, and for being filled with recirculated water in water return pipeline, water circulating pump (11), which can drive, to follow
Ring water flows in for water return pipeline；It is connected with the second heat exchanger (6) for water return pipeline, for the cycle water energy in water return pipeline
Heat exchange is enough carried out by the working medium in the second heat exchanger (6) and heat transfer conduit；Air diffuser (14) dispersed placement is in building；
All-fresh air processing and heat exchange unit include exhausting system and air-makeup system；Indoor air can be extracted into room by exhausting system
Outside, outdoor air can be pumped into indoor by air-makeup system.
2. a kind of earth source heat pump all fresh air air-conditioning system based on the storage of shallow-layer heat according to claim 1, which is characterized in that
Exhausting system includes air draft pipe；Air draft pipe is provided with several air intake vents and air outlet, and air intake vent dispersed placement is in building
Interior, air outlet is set to outside building, and induced draft fans (17) are provided on air draft pipe, pass through air draft pipe and induced draft fans (17)
Foul atmosphere in building can be discharged；Air-makeup system includes secondary air channel road, and secondary air channel road is provided with air intake vent and several
The air intake vent of air outlet, secondary air channel road is set to outside building, and the air outlet in secondary air channel road is connected with air diffuser (14) respectively；It mends
Wind pipeline, which is provided with, mends wind wind turbine (20), and can the air outside building diffusing be inputted by mending wind wind turbine (20) and secondary air channel road
Device (14), fresh air can carry out heat exchange with for the recirculated water in water return pipeline in air diffuser (14), complete heat exchange
Fresh air can by air diffuser (14) enter building in；Air filtering purifier (19) is provided on secondary air channel road.
3. a kind of earth source heat pump all fresh air air-conditioning system based on the storage of shallow-layer heat according to claim 2, which is characterized in that
Anion humidification device (16) is additionally provided on secondary air channel road between air filtering purifier (19) and air diffuser (14).
4. a kind of earth source heat pump all fresh air air-conditioning system based on the storage of shallow-layer heat according to claim 2, which is characterized in that
Further include total-heat exchanger (18)；Secondary air channel road and air draft pipe are connected with total-heat exchanger (18) respectively, in secondary air channel road
Fresh air and air draft pipe in old wind energy enough heat exchange is carried out in total-heat exchanger (18).
5. a kind of earth source heat pump all fresh air air-conditioning system based on the storage of shallow-layer heat according to claim 1, which is characterized in that
Include several water supply lines and several water return pipelines for water return pipeline；The water outlet of each water supply line with air diffuser (14)
Water inlet is connected, and the water inlet of each water supply line is connected with the second heat exchanger (6)；The water inlet of each water return pipeline
It is connected with the water outlet of air diffuser (14), the water outlet of each water return pipeline is connected with the second heat exchanger (6).
6. a kind of earth source heat pump all fresh air air-conditioning system based on the storage of shallow-layer heat according to claim 1, which is characterized in that
First Heat Exchanger is evaporator/condenser, and the second heat exchanger is condenser/evaporator, First Heat Exchanger and the second heat exchanger it
Between heat transfer conduit on be additionally provided with expansion valve (7) and reversal valve (4).
7. a kind of earth source heat pump all fresh air air-conditioning system based on the storage of shallow-layer heat according to claim 1, which is characterized in that
Filter (8) is additionally provided in heat transfer conduit.
8. a kind of earth source heat pump all fresh air air-conditioning system based on the storage of shallow-layer heat according to claim 1, which is characterized in that
Back-up sand layer (13) is obliquely installed, and one end that back-up sand layer (13) is connected with underground back water well is drawn water higher than back-up sand layer (13) with underground
One end that well is connected, infiltration can enter underground by back-up sand layer (13) seepage flow from underground back water well under gravity and draw water
Well.
9. a kind of earth source heat pump all fresh air air-conditioning system based on the storage of shallow-layer heat according to claim 1, which is characterized in that
Heat conduction cement layer (12) is both provided on the side wall of underground pumped well, underground back water well and back-up sand layer (13).
10. a kind of earth source heat pump all-fresh air air-conditioning system based on the storage of shallow-layer heat according to any one of claim 1 to 9
System, which is characterized in that heat storage pipeline is examined for being both provided with temperature-detecting device (3) and flow on water return pipeline and secondary air channel road
Survey device (15).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810242339.0A CN108469085A (en) | 2018-03-22 | 2018-03-22 | A kind of earth source heat pump all fresh air air-conditioning system based on the storage of shallow-layer heat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810242339.0A CN108469085A (en) | 2018-03-22 | 2018-03-22 | A kind of earth source heat pump all fresh air air-conditioning system based on the storage of shallow-layer heat |
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| CN108469085A true CN108469085A (en) | 2018-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022166056A1 (en) * | 2021-02-08 | 2022-08-11 | 苏州大学 | Radiation-type cooling and heating passive house |
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Application publication date: 20180831 |