CN110160180A - A kind of compound energy air-treatment unit - Google Patents
A kind of compound energy air-treatment unit Download PDFInfo
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- CN110160180A CN110160180A CN201910438066.1A CN201910438066A CN110160180A CN 110160180 A CN110160180 A CN 110160180A CN 201910438066 A CN201910438066 A CN 201910438066A CN 110160180 A CN110160180 A CN 110160180A
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- heat exchanger
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- exchanger
- refrigerating medium
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 33
- 239000002131 composite material Substances 0.000 claims abstract description 56
- 238000004378 air conditioning Methods 0.000 claims abstract description 30
- 239000003507 refrigerant Substances 0.000 claims description 57
- 238000003303 reheating Methods 0.000 abstract description 20
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 28
- 230000008676 import Effects 0.000 description 22
- 238000001816 cooling Methods 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 11
- 239000002689 soil Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000007791 dehumidification Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
-
- 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
- F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- 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]
- Y02B30/54—Free-cooling systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The present invention relates to air-conditioning technical fields, provide a kind of compound energy air-treatment unit, including air-conditioning box ontology, further include the ground-coupled heat exchanger that air-conditioning box body exterior is arranged in, compressor, circulating pump and composite heat-exchanger；Gas passage, including air inlet and outlet and return air inlet are formed in air-conditioning box ontology；First Heat Exchanger, the second heat exchanger, third heat exchanger and the first blower are disposed with according to the direction of air flowing in gas passage；One end of circulating pump is connected with ground-coupled heat exchanger, and the other end is connected in the First Heat Exchanger and composite heat-exchanger of parallel connectivity；One end of compressor is connected with the second heat exchanger, and the other end is connected in the third heat exchanger and composite heat-exchanger of parallel connectivity.Compound energy air-treatment unit provided in an embodiment of the present invention can reduce the energy consumption during conventional air conditioning system air-treatment unit reheating, and make full use of natural energy resources to reduce energy consumption, the annual equal efficient operation of realization device according to energy grad.
Description
Technical field
The present invention relates to air-conditioning technical fields, more particularly to a kind of compound energy air-treatment unit.
Background technique
Combined air processing group be using hot water or cold water or steam as medium, complete to the filtering of air, heating, cooling,
The treatment processes such as humidification, dehumidification, air mixing, realize the integral type unit controlled air themperature, humidity and cleanliness.Due to
With it is compact-sized, vdiverse in function, can advantages such as flexible spelling, convenient to install and maintain according to demand, combined air processing
Group is widely used in the cleaning technologies air-conditionings such as electronic instrument, precision machinery manufacture, hospital, pharmacy workshop, be also applied for market,
The comfort air conditioning system of the commercialization such as restaurant, cinema and civilian large and medium-sized public buildings.
But there is also many deficiencies at present for combined air processing group, influence the efficiency of system.Such as: (1) again
Thermal process increases energy consumption.The air handling process of traditional primary retirn air, when cooling condition, generally require to the sky after cool-down dehumidification
Gas carries out reheating, particularly with China's Yangtze river basin, humidity load is larger and when sensible heat load is smaller, then heat is big, waste
The energy.And interior can be made colder if without reheating, influence thermal comfort.(2) using single source (such as air, soil source) heat
When pump assembly handles air in air-conditioning box, it is difficult to annual efficient operation.When for example, by using single net for air-source heat pump units,
Winter/summer, the efficiency of heat pump unit was lower since outside air temperature is more low/high.For another example single ground source heat pump is used
When, when longtime running, tends to lead to the problem of Soil Thermal unbalanced.(3) heat transfer link is more, and entire thermal resistance is big.Traditional air conditioner
Case handles air using the hot water or cold water that heat pump unit provides, and hot and cold amount is through two refrigerant-water, water-air heat transfer links, energy
Measuring grade significantly reduces.
Summary of the invention
(1) technical problems to be solved
The embodiment of the present invention provides a kind of compound energy air-treatment unit, to solve air processing machine in the prior art
Energy consumption is high for thermal process again for group, it is difficult to annual efficient operation, the more technical problem of heat transfer link.
(2) technical solution
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of compound energy air-treatment units, including
Air-conditioning box ontology further includes the ground-coupled heat exchanger that air-conditioning box body exterior is arranged in, compressor, circulating pump and composite heat-exchange
Device；The intrinsic hollow chamber of air-conditioning box forms gas passage, and one end of gas passage is air inlet, and the other end is air outlet；
First Heat Exchanger, the second heat exchanger, third heat exchanger and the are disposed with according to the direction of air flowing in gas passage
One blower；One end of circulating pump is connected by pipeline with ground-coupled heat exchanger, and the other end passes through pipeline and First Heat Exchanger and compound
Heat exchanger is connected, and forms the first refrigerating medium loop；One end of compressor is connected by pipeline with the second heat exchanger, and the other end passes through
Pipeline is connected with third heat exchanger and composite heat-exchanger, forms the first refrigerant circuit.
Wherein, the first refrigerating medium loop includes the first refrigerating medium circulation branch road and the second refrigerating medium circulation branch road；First carries
Refrigerant cycle branch routes First Heat Exchanger, ground-coupled heat exchanger and circulating pump and composition is connected in series；Second refrigerating medium circulation branch road by
The first medium Tandem of ground-coupled heat exchanger, circulating pump and composite heat-exchanger connects and composes.
Wherein, the first refrigerant circuit includes the first refrigerant circulation branch and second refrigerant circulation branch road；First system
Refrigerant cycle branch routes the second heat exchanger, the second medium channel of composite heat-exchanger and compressor and composition is connected in series；Second system
Refrigerant cycle branch routes the second heat exchanger, third heat exchanger and compressor and composition is connected in series.
It further include being arranged in air-conditioning the present invention also provides a kind of compound energy air-treatment unit, including air-conditioning box ontology
Ground-coupled heat exchanger, compressor, circulating pump and the composite heat-exchanger of case body exterior；The intrinsic hollow chamber of air-conditioning box is formed
One end of gas passage, gas passage is air inlet, and the other end is air outlet；In gas passage according to the direction of air flowing according to
It is secondary to be provided with First Heat Exchanger, the second heat exchanger, third heat exchanger and the first blower；One end of circulating pump passes through pipeline and ground
Source heat exchanger is connected, and the other end is connected by pipeline with First Heat Exchanger, composite heat-exchanger and third heat exchanger, forms second
Refrigerating medium loop；Compressor is connected by pipeline with the second heat exchanger and composite heat-exchanger, and second refrigerant circuit is formed.
Wherein, the second refrigerating medium loop includes third refrigerating medium circulation branch road, the 4th refrigerating medium circulation branch road and the 5th load
Refrigerant cycle branch；Third refrigerating medium circulation branch road is made of the series connection of First Heat Exchanger, ground-coupled heat exchanger and circulating pump；The
Four refrigerating medium circulation branch roads are by ground-coupled heat exchanger, circulating pump, the first medium channel of composite heat-exchanger and third heat exchanger string
Connection connects and composes；5th refrigerating medium circulation branch road is gone here and there by the first medium channel of ground-coupled heat exchanger, circulating pump and composite heat-exchanger
Connection connects and composes.
Wherein, second refrigerant circuit is connected by the second heat exchanger, the second medium channel of composite heat-exchanger and compressor
It connects and composes.
Wherein, which further includes the humidifier being arranged in gas passage.
Wherein, which further includes the filter being arranged in gas passage close to air inlet.
Wherein, which further includes return air inlet；Return air inlet is connected with gas passage, is located at the
Between one heat exchanger and the second heat exchanger.
Wherein, which further includes the second blower being arranged on composite heat-exchanger.
(3) beneficial effect
Compound energy air-treatment unit provided in an embodiment of the present invention, by the third heat exchanger that is connected with compressor into
Row air reheating, is directly utilized condensation waste heat, greatly reduces required consumption in the air handling process of traditional primary retirn air
Additional thermal energy consumption again.In addition, also achieving " free reheating " using refrigerating medium recovering condensing heat, and reheating mistake can be reduced
Energy consumption in journey；The advantage of soil source and air source heat pump is combined, and is exchanged heat using composite heat-exchanger, composite system obtains
Simplification has been arrived, the annual efficient process air of device is realized in the case where not increasing individual heat exchanger；Compared to tradition
Air-conditioning box handles air using the hot water or cold water that heat pump provides, this direct-expansion type system reduces the energy loss of heat transfer link.
Detailed description of the invention
Fig. 1 is the overall structure diagram of one embodiment of compound energy air-treatment unit provided by the invention；
Fig. 2 is the overall structure diagram of another embodiment of compound energy air-treatment unit provided by the invention；
In figure, 1- air-conditioning box ontology；2- air inlet；3- First Heat Exchanger；The second heat exchanger of 4-；5- third heat exchanger；6-
First blower；7- air outlet；8- composite heat-exchanger；9- first medium channel；10- second medium channel；11- circulating pump；12-
Source heat exchanger；13- humidifier；The second blower of 14-；The first valve of 15-；The second valve of 16-；The first expansion valve of 17-；18- second
Expansion valve；19- third expansion valve；20- compressor；21- four-way valve；22- return air inlet；23- filter；24- third valve；25-
4th valve.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance
For illustrating the present invention, but it is not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
As shown in Figure 1, the embodiment of the invention provides a kind of compound energy air-treatment unit, including air-conditioning box ontology 1,
It further include ground-coupled heat exchanger 12, compressor 20, circulating pump 11 and the composite heat-exchanger 8 being arranged in outside air-conditioning box ontology 1；It is empty
The hollow chamber in case ontology 1 is adjusted to form gas passage, one end of gas passage is air inlet 2, and the other end is air outlet 7；Gas
First Heat Exchanger 3, the second heat exchanger 4, third heat exchanger 5 and the are disposed with according to the direction that air flows in body channel
One blower 6；One end of circulating pump 11 is connected by pipeline with ground-coupled heat exchanger 12, and the other end passes through pipeline and First Heat Exchanger 3
And composite heat-exchanger 8 is connected, and forms the first refrigerating medium loop；One end of compressor 20 is connected by pipeline with the second heat exchanger 4,
The other end is connected by pipeline with third heat exchanger 5 and composite heat-exchanger 8, and the first refrigerant circuit is formed.
Specifically, for example, during the broiling summer, when device runs cooling condition, air enters gas passage from air inlet 2
It exchanges heat later with the refrigerating medium in First Heat Exchanger 3, temperature reduces, and realizes pre-cooling function；As outdoor air is mixed with return air
And continue flow forward, at the second heat exchanger 4 and refrigerant heat exchanger, at this point, the refrigerant entered in the second heat exchanger 4 can
It is handled with carrying out reducing temperature and humidity again to air, at this time the refrigerant suction heat in the second heat exchanger 4, in the work of compressor 20
Under, the refrigerant after heat absorption is delivered to third heat exchanger 5, for carrying out reheating to the air after reducing temperature and humidity, after reheating
Air be sent into interior through air outlet 7；For the refrigerant flowed out from third heat exchanger 5, by flowing back into second after heat release
For carrying out reducing temperature and humidity processing to air in heat exchanger 4, move in circles；The refrigerant flowed out from compressor 20 can also flow into
In the second medium channel 10 of composite heat-exchanger 8, and by from ground-coupled heat exchanger 12 refrigerating medium or outdoor air it is cooling, so
It flow in the second heat exchanger 4, for carrying out reducing temperature and humidity processing to air in air-conditioning box, is moved in circles again afterwards.If outdoor heat exchange
Medium is refrigerating medium, then it turns again to cycle heat exchange in ground-coupled heat exchanger 12 under the conveying of circulating pump 11；If outdoor heat exchange
Medium is air, then its under the driving of the second blower 14 with refrigerant heat exchanger.
Compound energy air-treatment unit provided in an embodiment of the present invention passes through the third heat exchanger being connected with compressor 20
5 carry out air reheating, take full advantage of condensation waste heat, disappear needed for greatly reducing in the air handling process of traditional primary retirn air
The additional thermal energy consumption again of consumption；Soil source and air source heat pump system are combined, and is exchanged heat using composite heat-exchanger 8, it is compound
System is simplified, and can flexibly switch two kinds of heat pump operation modes in the case where not increasing individual heat exchanger；Compared to
Traditional air conditioner case handles air using the refrigerating medium that heat pump unit provides, this direct-expansion type system reduces the energy damage of heat transfer link
Consumption.
Further, the first refrigerating medium loop includes the first refrigerating medium circulation branch road and the second refrigerating medium circulation branch road；The
One refrigerating medium circulation branch road is made of the series connection of First Heat Exchanger 3, ground-coupled heat exchanger 12 and circulating pump 11；Second refrigerating medium follows
The first medium channel 9 that ring branch routes ground-coupled heat exchanger 12, circulating pump 11 and composite heat-exchanger 8, which is connected in series, to be constituted.
Specifically, for example, the pipeline that the outlet with circulating pump 11 is connected can be divided into two branch pipes, one of branch pipe
The second valve 16 of upper arrangement, and the other end of the branch pipe is connected with the import of First Heat Exchanger 3；Is arranged on another branch pipe
One valve 15, and the other end of the branch pipe is connected with the one end in first medium channel 9.So set, warp in ground-coupled heat exchanger 12
The refrigerating medium that circulating pump 11 exports is segmented into two strands, one is delivered to First Heat Exchanger 3, is used for fresh air pretreatment；Another stock
It is delivered to composite heat-exchanger 8, is used for and refrigerant heat exchanger.Wherein it is possible to pass through the first valve 15 of control or the second valve 16
Be turned on or off to control the operational mode of the compound energy air-treatment unit.
Further, the first refrigerant circuit includes the first refrigerant circulation branch and second refrigerant circulation branch road；The
One refrigerant circulation branch routes the second heat exchanger 4, the second medium channel 10 of composite heat-exchanger 8 and compressor 20 and structure is connected in series
At；Second refrigerant circulation branch road is made of the series connection of the second heat exchanger 4, third heat exchanger 5 and compressor 20.
Specifically, for example, a four-way valve 21 can be arranged on the pipeline that the outlet with compressor 20 is connected, by this four
One end of 21 lowermost end of port valve is denoted as first end, then according to clockwise direction, the respectively second end of four-way valve 21, third end
And the 4th end；Wherein, the second end of four-way valve 21 is connected by pipeline with the outlet of the second heat exchanger 4；The of four-way valve 21
Three ends are connected by pipeline with the import of compressor 20；Wherein, the pipeline that the 4th end with four-way valve 21 is connected is divided into two
Branch pipe, one of branch pipe are connected with the import of third heat exchanger 5, one end phase of another branch pipe and second medium channel 10
Even；The other end in second medium channel 10 then passes through pipeline and is connected with the import of the second heat exchanger 4；The outlet of third heat exchanger 5
It can be converged by the pipeline between the import of pipeline and second medium channel 10 and the second heat exchanger 4.Herein, it needs to illustrate
, compressor 20, the inlet and outlet of the second heat exchanger 4 and third heat exchanger 5 and nisi, here for can understand
The connection relationship illustrated between each section and distinguished, in fact, according to the flow direction of refrigerant or refrigerating medium, import
It can be outlet, exporting corresponding is exactly import.It is swollen that first can be arranged on the pipeline being connected with the import of the second heat exchanger 4
The second expansion valve 18 is arranged on the bye-pass being connected with the other end in second medium channel 10, exchanges heat with third for swollen valve 17
Third expansion valve 19 is set on the connected bye-pass of device 5；Wherein, the first expansion valve 17, the second expansion valve 18 and third expansion valve
19 can be that electric expansion valve, heating power expansion valve, capillary, restricting orifice, expanding machine etc. are any can to generate throttle effect
Device.
As shown in Fig. 2, the present invention also provides a kind of compound energy air-treatment unit, including air-conditioning box ontology 1, further include
Ground-coupled heat exchanger 12, compressor 20, circulating pump 11 and composite heat-exchanger 8 outside air-conditioning box ontology 1 are set；Air-conditioning box sheet
Hollow chamber in body 1 forms gas passage, and one end of gas passage is air inlet 2, and the other end is air outlet 7；Gas passage
The interior direction according to air flowing is disposed with First Heat Exchanger 3, the second heat exchanger 4, third heat exchanger 5 and the first blower
6；One end of circulating pump 11 is connected by pipeline with ground-coupled heat exchanger 12, and the other end passes through pipeline and First Heat Exchanger 3, compound changes
Hot device 8 and third heat exchanger 5 are connected, and form the second refrigerating medium loop；Compressor 20 is by pipeline and the second heat exchanger 4 and again
It closes heat exchanger 8 to be connected, forms second refrigerant circuit.
Specifically, for example, during the broiling summer, when device runs cooling condition, air enters gas passage from air inlet 2
It is contacted later with First Heat Exchanger 3, First Heat Exchanger 3 cools down to the air for flowing through it, i.e. precooling treatment；With outdoor empty
Gas mixes with return air and continues flow forward, touches the second heat exchanger 4, at this point, the refrigerant in the second heat exchanger 4 can be right
Air carries out reducing temperature and humidity again and handles, at this time the refrigerant suction heat in the second heat exchanger 4, and in the effect of compressor 20
Under, the refrigerant after heat absorption is delivered in second medium channel 10, heat exchange is carried out in composite heat-exchanger 8；Wherein, exist
Refrigerant in composite heat-exchanger 8 can by from ground-coupled heat exchanger 12 refrigerating medium or outdoor air it is cooling, system after cooling
Cryogen is flow to again in the second heat exchanger 4, for carrying out reducing temperature and humidity processing to air, is moved in circles；It is logical for first medium
It for refrigerating medium in road 9, is increased with temperature after the refrigerant heat exchanger in second medium channel 10, therefore, if outdoor heat exchange is situated between
Matter is refrigerating medium, the other end in first medium channel 9 can be connected with third heat exchanger 5, utilize the refrigerating medium pair after heating
Air after reducing temperature and humidity carries out reheating, and refrigerating medium returns cycle heat exchange in ground-coupled heat exchanger 12 later；If outdoor heat exchange is situated between
Matter is air, then its under the driving of the second blower 14 with refrigerant heat exchanger.
Compound energy air-treatment unit provided in an embodiment of the present invention, by by ground-coupled heat exchanger 12 and third heat exchanger
5 are connected, and using refrigerating medium recovering condensing heat, also achieve " free reheating ", can reduce the energy consumption during reheating；It combines
Soil source and air source heat pump system, and exchanged heat using composite heat-exchanger 8, composite system is simplified, and is not being increased
Two kinds of heat pump operation modes can flexibly be switched in the case where individual heat exchanger；It is mentioned compared to traditional air conditioner case using heat pump unit
The refrigerating medium of confession handles air, this direct-expansion type system reduces the energy loss of heat transfer link.
Further, the second refrigerating medium loop includes third refrigerating medium circulation branch road, the 4th refrigerating medium circulation branch road and
Five refrigerating medium circulation branch roads；Third refrigerating medium circulation branch road is connected by First Heat Exchanger 3, ground-coupled heat exchanger 12 and circulating pump 11 to be connected
Connect composition；4th refrigerating medium circulation branch road by the first medium channel 9 of ground-coupled heat exchanger 12, circulating pump 11, composite heat-exchanger 8 with
And third heat exchanger 5 is connected in series and constitutes；5th refrigerating medium circulation branch road is by ground-coupled heat exchanger 12, circulating pump 11 and composite heat-exchange
The first medium Tandem of device 8 connects and composes.
Specifically, for example, the pipeline that the outlet with circulating pump 11 is connected can be divided into two branch pipes, one of branch pipe
The second valve 16 of upper arrangement, and the other end of the branch pipe is connected with the import of First Heat Exchanger 3；Is arranged on another branch pipe
One valve 15, and the other end of the branch pipe is connected with the one end in first medium channel 9.So set, warp in ground-coupled heat exchanger 12
The refrigerating medium that circulating pump 11 exports is segmented into two strands, one is delivered to First Heat Exchanger 3, is used for fresh air pretreatment；Another stock
It is delivered to composite heat-exchanger 8, is used for and refrigerant heat exchanger.Wherein it is possible to pass through the first valve 15 of control or the second valve 16
Be turned on or off to control the operational mode of the compound energy air-treatment unit.Also, for from first medium channel 9
The refrigerating medium of middle outflow can be enabled its flow into third heat exchanger 5 by the way that branch pipe is arranged, and be returned in ground-coupled heat exchanger 12 later.
Third valve is set on the pipeline between the import of third heat exchanger 5 for example, can export in the refrigerating medium in first medium channel 9
The 4th valve 25 is arranged on the pipeline between two nodes that third heat exchanger 5 is connected to main pipe for door 24；Wherein, the 4th
When the closure of valve 25, third valve 24 are opened, the refrigerating medium flowed out in first medium channel 9 returns to after flowing through third heat exchanger 5
In ground-coupled heat exchanger 12.When practical operation, it can according to need the unlatching of control third valve 24 and the 4th valve 25 or close
It closes, to adjust the operational mode of the compound energy air-treatment unit.
Further, second refrigerant circuit is by the second heat exchanger 4, the second medium channel 10 of composite heat-exchanger 8 and pressure
Contracting machine 20, which is connected in series, to be constituted.
Specifically, for example, the 4th end of four-way valve 21 can be connected with the one end in second medium channel 10 by pipeline,
The other end in second medium channel 10 is connected with the import of the second heat exchanger 4 by pipeline, by the outlet of the second heat exchanger 4 with
The import of compressor 20 is connected by pipeline.
Further, which further includes the humidifier being arranged in air-conditioning box gas passage
13.Specifically, for example, humidifier 13 can be the equipment that water jet either spraying steam equipment etc. can be realized humidification function.
It can according to need and open humidifier 13, the air for being sent into room is humidified.
Further, which further includes the mistake being arranged in gas passage close to air inlet 2
Filter 23.Specifically, for example, filter 23 can be any kind of purification device.Filter 23 can be set to air inlet
Between mouthfuls 2 and First Heat Exchanger 3, purification is filtered to the air flowed into from air inlet 2, later again with First Heat Exchanger 3 into
Row heat exchange.
Further, which further includes return air inlet 22；Return air inlet 22 is connected with gas passage
It is logical, between First Heat Exchanger 3 and the second heat exchanger 4.Specifically, for example, indoor return air can by return air inlet 22 into
Enter into gas passage, the air entered with air inlet 2 mixes, and exchanges heat using the second heat exchanger 4 and/or third heat exchanger 5
After enter interior；So set, being conducive to energy saving.
Further, which further includes the second blower 14 being arranged on composite heat-exchanger 8.
The setting of second blower 14 can play the effect of forced convertion, be conducive at composite heat-exchanger 8 realize air, refrigerant,
Refrigerating medium high efficient heat exchanging two-by-two.
Next the compound energy air-treatment unit is combined to be illustrated its several operating mode:
Mode one, for cold season mid-term: pre-cooling+water chiller refrigeration+reheating
As shown in Figure 1, circulating pump 11, the first valve 15, the second valve 16, compressor 20, the first expansion valve 17, second are swollen
Swollen valve 18, third expansion valve 19, the first blower 6 are opened, and the second blower 14, humidifier 13 are closed.Refrigerating medium is through circulating pump 11
Outlet manifold: flowing through the first valve 15 all the way, heating of absorbing heat in first medium channel 9；All the way through the second valve 16 first
It heats up in heat exchanger 3 with air heat-exchange.Refrigerating medium after confluence returns to circulating pump 11 after 12 heat release of ground-coupled heat exchanger cooling
Import.Refrigerant shunts after four-way valve 21 from the outlet of compressor 20: entering third heat exchanger 5 all the way and is used for air
Reheating passes through third expansion valve 19；It exchanges heat, then flows into the second medium channel 10 of composite heat-exchanger 8 and refrigerating medium all the way
Through the second expansion valve 18.By the first expansion valve 17 throttle effect occurs for the refrigerant after confluence, enters back into the suction of the second heat exchanger 4
Atmospheric heat is received, four-way valve 21 is flowed through later and returns to 20 import of compressor.Fresh air enters gas passage through air inlet 2, through filtering
It exchanges heat at First Heat Exchanger 3 with refrigerating medium after device 23, after realizing pre-cooling, mixes, mix with the return air entered at return air inlet 22
Air afterwards is at the second heat exchanger 4 and refrigerant heat exchanger, after cool-down dehumidification, realizes reheating by third heat exchanger 5, enters back into
First blower 6 enters air hose from air outlet 7 and eventually enters into room.
It is as shown in Figure 2: circulating pump 11, the first valve 15, the second valve 16, compressor 20, the first expansion valve 17, the first wind
Machine 6, third valve 24, the 4th valve 25 are opened, and the second blower 14, humidifier 13 are closed.Refrigerating medium goes out through circulating pump 11
Mouth shunts: flowing through the first valve 15 all the way, heating of absorbing heat in first medium channel 9, part refrigerating medium is by first medium later
The 4th valve 25 is flowed through on the left of channel 9, and third heat exchanger 5 is partially flowed through by third valve 24 and air heat-exchange cools down；It is another
The second valve of road 16 heats up in First Heat Exchanger 3 with air heat-exchange.Refrigerating medium after confluence is put by ground-coupled heat exchanger 12
After heat drop temperature, the import of circulating pump 11 is returned to.Refrigerant enters composite heat-exchanger 8 from the outlet of compressor 20 after four-way valve 21
Second medium channel 10 and refrigerating medium exchange heat, later by the first expansion valve 17 occur throttle effect, enter back into the second heat exchange
Device 4 absorbs atmospheric heat, flows through the import that four-way valve 21 returns to compressor 20 later.Fresh air enters gas passage through air inlet 2,
It exchanges heat at First Heat Exchanger 3 with refrigerating medium after filter 23, after realizing pre-cooling function, with the return air entered at return air inlet 22
Mixing, mixed air is at the second heat exchanger 4 and refrigerant heat exchanger, after cool-down dehumidification, by third heat exchanger 5 and refrigerating
Reheating is completed in agent heat exchange, enters back into the first blower 6, is entered air hose from air outlet 7 and is eventually entered into room.
Mode two, for hot season mid-term: preheating+water source heat pump units heating
Circulating pump 11, the first valve 15, the second valve 16, compressor 20, the first expansion valve 17, second are swollen as shown in Figure 1:
Swollen valve 18, the first blower 6, humidifier 13 are opened, and the second blower 14, third expansion valve 19 are closed.Refrigerating medium is through circulating pump 11
Outlet manifold: flow through the first valve 15 all the way, in first medium channel 9 heat release cool down；All the way through the second valve 16
Cool down in one heat exchanger 3 with air heat-exchange.Refrigerating medium after confluence returns to circulating pump after the heat absorption heating of ground-coupled heat exchanger 12
11 import.Refrigerant is expanded into 4 heat release of the second heat exchanger using first from the outlet of compressor 20 through four-way valve 21
It after valve 17, throttles at the second expansion valve 18, behind the second medium channel 10 of composite heat-exchanger 8 and refrigerating medium heat exchange, returns
To the import of compressor 20.Fresh air enters gas passage through air inlet 2, after filter 23 at First Heat Exchanger 3 and refrigerating
Agent exchanges heat, and after realizing preheating, mixes with the return air entered at return air inlet 22, and mixed air is at the second heat exchanger 4 and makes
Cryogen heat exchange heating, the air after heating enter back into the first blower 6 after the humidification of humidifier 13, enter air hose from air outlet 7
And eventually enter into room.
As shown in Figure 2: third valve 24 is opened, and the 4th valve 25 is closed, other are identical as Fig. 1, and details are not described herein.
Mode three, for cold season early period and latter stage: air-cooled unit refrigeration
As shown in Figure 1 or 2, compressor 20, the first expansion valve 17, the second expansion valve 18, the first blower 6, third expansion
Valve 19, the second blower 14 are opened, and circulating pump 11, the first valve 15, the second valve 16, humidifier 13 are closed.Refrigerant is from pressure
The outlet of contracting machine 20 shunts after four-way valve 21: entering third heat exchanger 5 all the way and is used for air reheating, it is swollen to pass through third
Swollen valve 19；It exchanges heat all the way into the second medium channel 10 of composite heat-exchanger 8 and outdoor air, passes through the second expansion valve 18.
By the first expansion valve 17 throttle effect occurs for the refrigerant after confluence, enters back into the second heat exchanger 4 and absorbs atmospheric heat, later
Flow through the import that four-way valve 21 returns to compressor 20.Fresh air through air inlet 2 enter gas passage, after filter 23 with return air inlet
The return air mixing entered at 22, air warp of the mixed air at the second heat exchanger 4 and refrigerant heat exchanger, after dehumidifying and cooling
It crosses third heat exchanger 5 and realizes reheating, enter back into the first blower 6, enter air hose from air outlet 7 and eventually enter into room.
Mode four, for early period in hot season and latter stage: air-cooled unit heating
As shown in Figure 1 or 2, compressor 20, the first expansion valve 17, the second expansion valve 18, the first blower 6, the second blower
14 open, and circulating pump 11, the first valve 15, the second valve 16, humidifier 13, third expansion valve 19 are closed.Refrigerant is from pressure
The outlet of contracting machine 20 is through four-way valve 21, into 4 heat release of the second heat exchanger, after the first expansion valve 17, in the second expansion valve
It throttles at 18, flows through four-way valve 21 behind the second medium channel 10 of composite heat-exchanger 8 and outdoor air heat exchange and return to compression
The import of machine 20.Fresh air enters gas passage through air inlet 2, mixes after filter 23 with the return air entered at return air inlet 22,
Mixed air heats up at the second heat exchanger 4 with refrigerant heat exchanger, and the air after heating is through the first blower 6, from air outlet 7
Into air hose and eventually enter into room.
Cold heat is mended in mode five, ground source
As shown in Figure 1 or 2, it when conditioning in Transition Season etc. does not need to handle fresh air with refrigerant circulation, can use in air
Cold heat amount be soil mend cold heat.At this point, circulating pump 11, the first valve 15, the second blower 14 are opened, compressor 20, second
Valve 16, the first blower 6, humidifier 13 are closed, and system is run under " source mend cold heat " mode.Refrigerating medium is by recycling at this time
The outlet of pump 11 is by the first valve 15, enters ground into first medium channel 9 and air heat-exchange, then by first medium channel 9
With soil heat exchange in source heat exchanger 12, after balanced soil cold heat amount, the import of circulating pump 11 is returned to.
Mode six, the temperature adjustment of ground source
It as shown in Figure 1 or 2, can also be just with ground source when conditioning in Transition Season etc. does not need to handle fresh air with refrigerant circulation
Cold and hot amount carries out simple temperature adjustment processing to air.At this point, circulating pump 11, the second valve 16, the first blower 6 are opened, compressor
20, the first valve 15, the second blower 14 are closed, and system is run under " source temperature adjustment " mode.Refrigerating medium is gone out by circulating pump 11
Mouthful entering First Heat Exchanger 3 by the second valve 16 with air heat-exchange enters back into ground-coupled heat exchanger 12, and soil heat exchange, later
Return to the import of circulating pump 11.Fresh air exchanges heat at First Heat Exchanger 3 with refrigerating medium after filter 23, mixed with return air later
It closes, is flowed out under the driving of the first blower 6 by air outlet 7.
As can be seen from the above embodiments, compound energy air-treatment unit provided by the invention has following beneficial to effect
Fruit:
1, compared to the summer air handling process of traditional primary retirn air, the additional thermal energy again of consumption needed for greatly reducing
Consumption is used for reheating as the direct-expansion type condenser in refrigerant circulation using third heat exchanger, or uses the conduct of third heat exchanger
The reheater of recycling unit condensation heat in refrigerating medium circulation, realizes " free reheating ".The system is larger and cold in humidity load
Load lesser regional (such as China Yangtze river basin) has good application prospect.
2, natural energy resources are made full use of in the links of air-treatment, reduces air-treatment energy consumption.Solves conventional base
The unbalanced problem of soil heat is easily led in the air processing machine group longtime running of earth source heat pump unit, in the Yangtze river basin
Area, annual refrigeration duty are noticeably greater than thermic load, and Soil Thermal energy imbalance will considerably reduce；Also it solves conventional based on air-source
With Summer and winter operational efficiency, not high, winter easily goes out the air-treatment unit of heat pump unit in high humility and cold district operation
The problem of existing outdoor heat exchanger frost.Meanwhile being exchanged heat using composite heat-exchanger, composite system is simplified,
The annual equal efficient operation of the device is realized in the case where not increasing individual heat exchanger.
3, air is handled using the hot water or cold water that heat pump unit provides compared to traditional air conditioner case, this direct-expansion type system is reduced
The energy loss of heat transfer link.
To sum up, the present invention is coupled the air-source+energy of the ground source as Fresh air handing by composite heat-exchanger, while using one
It drags two multi-connected machine directly to utilize condensation heat, realizes the way for making full use of natural energy resources to carry out air-treatment.Avoid biography
Problem existing for the air-treatment unit united based on single source heat pump, and according to the difference of energy grad, each link is closed
The natural energy resources of thermophilic degree handle air, realize the annual equal efficient operation of the device.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of compound energy air-treatment unit, including air-conditioning box ontology, which is characterized in that further include being arranged in the air-conditioning
Ground-coupled heat exchanger, compressor, circulating pump and the composite heat-exchanger of case body exterior；
The intrinsic hollow chamber of air-conditioning box forms gas passage, and one end of the gas passage is air inlet, the other end
For air outlet；
First Heat Exchanger, the second heat exchanger, third is disposed with according to the direction of air flowing in the gas passage to exchange heat
Device and the first blower；
One end of the circulating pump is connected by pipeline with the ground-coupled heat exchanger, and the other end passes through pipeline and first heat exchange
Device and the composite heat-exchanger are connected, and form the first refrigerating medium loop；
One end of the compressor is connected by pipeline with second heat exchanger, and the other end is exchanged heat by pipeline and the third
Device and the composite heat-exchanger are connected, and form the first refrigerant circuit.
2. compound energy air-treatment unit according to claim 1, which is characterized in that the first refrigerating medium loop packet
Include the first refrigerating medium circulation branch road and the second refrigerating medium circulation branch road；
The first refrigerating medium circulation branch road is connected in series by the First Heat Exchanger, the ground-coupled heat exchanger and the circulating pump
It constitutes；
The second refrigerating medium circulation branch road is situated between by the first of the ground-coupled heat exchanger, the circulating pump and the composite heat-exchanger
Matter Tandem connects and composes.
3. compound energy air-treatment unit according to claim 1, which is characterized in that the first refrigerant circuit packet
Include the first refrigerant circulation branch and second refrigerant circulation branch road；
The first refrigerant circulation branch routes second heat exchanger, the second medium channel of the composite heat-exchanger and described
Compressor, which is connected in series, to be constituted；
The second refrigerant circulation branch road is connected in series by second heat exchanger, the third heat exchanger and the compressor
It constitutes.
4. a kind of compound energy air-treatment unit, including air-conditioning box ontology, which is characterized in that further include being arranged in the air-conditioning
Ground-coupled heat exchanger, compressor, circulating pump and the composite heat-exchanger of case body exterior；
The intrinsic hollow chamber of air-conditioning box forms gas passage, and one end of the gas passage is air inlet, the other end
For air outlet；
First Heat Exchanger, the second heat exchanger, third is disposed with according to the direction of air flowing in the gas passage to exchange heat
Device and the first blower；
One end of the circulating pump is connected by pipeline with the ground-coupled heat exchanger, and the other end passes through pipeline and first heat exchange
Device, the composite heat-exchanger and the third heat exchanger are connected, and form the second refrigerating medium loop；
The compressor is connected by pipeline with second heat exchanger and the composite heat-exchanger, is formed second refrigerant and is returned
Road.
5. compound energy air-treatment unit according to claim 4, which is characterized in that the second refrigerating medium loop packet
Include third refrigerating medium circulation branch road, the 4th refrigerating medium circulation branch road and the 5th refrigerating medium circulation branch road；
The third refrigerating medium circulation branch road is connected in series by the First Heat Exchanger, the ground-coupled heat exchanger and the circulating pump
It constitutes；
The 4th refrigerating medium circulation branch road by the ground-coupled heat exchanger, the circulating pump, the composite heat-exchanger first be situated between
Matter channel and the third heat exchanger, which are connected in series, to be constituted；
The 5th refrigerating medium circulation branch road is situated between by the first of the ground-coupled heat exchanger, the circulating pump and the composite heat-exchanger
Matter Tandem connects and composes.
6. compound energy air-treatment unit according to claim 4, which is characterized in that the second refrigerant circuit by
Second heat exchanger, the second medium channel of the composite heat-exchanger and the compressor, which are connected in series, to be constituted.
7. compound energy air-treatment unit according to claim 1 or 4, which is characterized in that further include being arranged described
Humidifier in gas passage.
8. compound energy air-treatment unit according to claim 1 or 4, which is characterized in that further include being arranged described
Close to the filter of the air inlet in gas passage.
9. compound energy air-treatment unit according to claim 1 or 4, which is characterized in that further include return air inlet；
The return air inlet is connected with the gas passage, between the First Heat Exchanger and second heat exchanger.
10. compound energy air-treatment unit according to claim 1 or 4, which is characterized in that further include being arranged described
The second blower on composite heat-exchanger.
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| CN110749018A (en) * | 2019-09-12 | 2020-02-04 | 湖南工程学院 | Single-machine two-stage compression middle air exhaust heat recovery fresh air processing device |
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