CN102261709B - Energy-saving comfortable air-conditioning system and working method thereof - Google Patents
Energy-saving comfortable air-conditioning system and working method thereof Download PDFInfo
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- CN102261709B CN102261709B CN2011101609808A CN201110160980A CN102261709B CN 102261709 B CN102261709 B CN 102261709B CN 2011101609808 A CN2011101609808 A CN 2011101609808A CN 201110160980 A CN201110160980 A CN 201110160980A CN 102261709 B CN102261709 B CN 102261709B
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 238000009423 ventilation Methods 0.000 claims abstract description 24
- 239000002689 soil Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000005057 refrigeration Methods 0.000 claims abstract description 10
- 230000001172 regenerating effect Effects 0.000 claims description 21
- 230000008676 import Effects 0.000 claims description 13
- 230000005855 radiation Effects 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000002918 waste heat Substances 0.000 claims description 5
- 238000007791 dehumidification Methods 0.000 claims description 4
- 230000008929 regeneration Effects 0.000 claims description 3
- 238000011069 regeneration method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 238000006467 substitution reaction Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract 2
- 239000002826 coolant Substances 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 206010013082 Discomfort Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000030303 breathing problems Diseases 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- 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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The invention discloses an energy-saving comfortable air-conditioning system and a working method thereof, the energy-saving comfortable air-conditioning system comprises four parts, namely a soil cold and heat source part, a solar energy heat source part, a fresh air processing part and an air-conditioning terminal, when both a cooling load and a moisture load are small, cold water is directly provided for a capillary network on a wall surface, a ground source heat pump unit with heat recovery does not work, a fresh air heat recovery device is used for performing heat exchange between fresh air and exhaust air and then sending the fresh air into a displacement ventilation device; when the cooling load is large, the ground source heat pump unit with the heat recovery is in refrigeration operation state and used for providing cooling medium water for the capillary network on the wall surface; when a heat load is small, after being subjected to heat exchange through the fresh air heat recovery device, the fresh air passes through enters into a fresh air processor for being heated and is further sent to the displacement ventilation device; when the heat load is large, solar energy is firstly utilized and the indoor end of the unit is simultaneously used for providing a heating medium for the capillary network on the ground. By adopting the energy-saving comfortable air-conditioning system, the energy consumption of the air-conditioning system for processing the moisture load is reduced, and the fresh air processing system can reduce the emission of condensation heat to soil, thereby simultaneously improving an hot and humid indoor environment and air quality.
Description
Technical field
The invention belongs to field of renewable energy resource utilization, relate in particular to a kind of air-conditioning system that fully utilizes solar energy and soil accumulation of energy.
Background technology
Because energy crisis; the concept of building energy conservation is generally paid attention to; in China; the big air-conditioning and construction of some energy consumptions is for energy-conservation; the demand of indoor occupant to sufficient resh air requirement generally all ignored in the measure of adopting; the use of simultaneously a large amount of New Building Materials has aggravated the deterioration of indoor air quality, thereby causes the symptom of numerous discomforts of indoor occupant, and severe patient can bring out expendable breathing problem.
The central air conditioner system of existing building generally all adopts single refrigeration modes, and based on compression-type refrigeration, this absorption refrigeration unit is used not extensive owing to complex structure, thermal source require high shortcoming.The conventional air-conditioning system generally all adopts the mode of freeze drying to the processing of humidity load, not only cause the unit freezing temperature lower, the phenomenon that the coefficient of performance is not high, make the energy consumption of handling new wind rise simultaneously, if the terminal mode that adopts radiation cooling, its supply and return water temperature is on the low side, is easy to form the dewfall phenomenon on the radiant panel surface, directly influences indoor air quality.Sometimes in order to reduce the unit energy consumption, the method for selecting to reduce resh air requirement or not designing resh air requirement can cause that indoor air quality descends.
At present, be faced with problems such as energy supply anxiety and environmental pollution be serious, control production of energy and total quantity consumed, energy-saving and emission-reduction, improve the comprehensive utilization ratio of the energy, greatly developing regenerative resource such as solar energy, wind energy, geothermal energy etc. is the important trend of China's energy development.
Summary of the invention
The objective of the invention is to propose a kind of health, comfortable, the air-conditioning system that takes full advantage of regenerative resource, the invention also proposes the method for work of this air-conditioning system, by solar energy solution is regenerated, utilize the heat storage and cold accumulation ability of wettability power and the soil of concentrated solution, under the prerequisite that satisfies the wet comfortableness of heat and air quality, provide the chilled water of air-conditioning system higher temperature.
The technical scheme that air-conditioning system of the present invention adopts is: comprise soil Cooling and Heat Source part, solar source part, new wind processing section, air conditioning terminal four parts, the soil Cooling and Heat Source partly comprises ground heat exchanger and band recuperation of heat earth source heat pump unit, and solar source partly comprises solar thermal collector and hot water storage tank; Air conditioning terminal partly comprises placement ventilation device, wall capillary network and ground capillary network, and new wind processing section comprises solution heater, solution heat exchanger, solution cooler, solution moisture removing device, new wind processor and new wind-heat recover; The output of ground heat exchanger connects new wind processor through first water pump, first check valve; The output of first water pump connects the valve port a of second triple valve, and the valve port c connecting band recuperation of heat earth source heat pump unit of second triple valve, the valve port b of second triple valve connect import and the outlet of band recuperation of heat earth source heat pump unit of wall capillary network respectively; Serial connection the 4th check valve between valve port b and wall capillary network, the input of ground heat exchanger connect valve port f, band recuperation of heat earth source heat pump unit and the solution cooler of the 3rd triple valve respectively; The valve port d of the 3rd triple valve connects wall capillary network and ground capillary network respectively, a branch that links to each other with the 4th triple valve with new wind processor respectively in parallel before second water pump, second water pump connects the valve port e of the 3rd triple valve and the valve port n of the 4th triple valve respectively; The the 4th, the 5th check valve of connecting respectively before the import of wall capillary network, ground capillary network; Four, the 5th check valve connecting band recuperation of heat earth source heat pump unit output respectively; The output that the input of band recuperation of heat earth source heat pump unit recuperation of heat end directly connects hot water storage tank, recuperation of heat end connects hot water storage tank through the 3rd water pump, the 3rd check valve successively; Valve port m, output that the input of solar thermal collector connects the 4th triple valve link to each other with the valve port i of hot water storage tank, heat-exchanger pump, first triple valve successively, and the valve port k of first triple valve is connected solution heater respectively with the valve port L of the 4th triple valve; The valve port j of first triple valve is connected new wind processor respectively with the valve port n of the 4th triple valve; Solution heater connects regenerative device of solution and solution heat exchanger respectively, regenerative device of solution connects solution heat exchanger, new wind-heat recover and external environment respectively, the input of solution heat exchanger links to each other with the outlet of weak solution case, at port of export series connection weak solution valve and the weak solution pump of weak solution case, the entrance point of weak solution case connects solution moisture removing device; The output of solution heat exchanger connects solution cooler, concentrated solution case and solution moisture removing device successively; New wind processor connects solution cooler, solution moisture removing device and placement ventilation device respectively, solution moisture removing device connects concentrated solution case, weak solution case and new wind-heat recover respectively, new wind-heat recover linker substitution ventilation unit, the entrance point series connection concentrated solution valve of concentrated solution case, the outlet serial connection solution pump of concentrated solution case.
The method of work of above-mentioned air-conditioning system is: 1) refrigeration duty and humidity load are all hour, open valve port a and valve port b, the close port c of second triple valve, open valve port d and valve port f, the close port e of the 3rd triple valve, and open the 4th check valve, close the 5th check valve, open first water pump, close second water pump, ground heat exchanger directly provides cold water to the wall capillary network through first water pump and second triple valve, band recuperation of heat earth source heat pump unit is not worked, and new wind-heat recover carries out sending into placement ventilation device after the heat exchange of new wind and air draft; When 2) refrigeration duty is big, open valve port a and the valve port c of second triple valve, close port b opens valve port d and the valve port e of the 3rd triple valve, close port f, open the 4th check valve, close the 5th check valve, open first water pump and second water pump simultaneously, band recuperation of heat earth source heat pump unit is in the refrigerating operaton state, provide chilled water to the wall capillary network, new wind carries out hot wet process through new wind processing section, and solar energy provides the thermal source of solution dehumidification; 3) thermic load hour, new wind only is provided, open valve port i and the valve port j of first triple valve, close port k, open valve port m and the valve port n of the 4th triple valve, close port L opens heat-exchanger pump, and new wind carries out heat exchange through new wind-heat recover and enters later on to be heated in the new wind processor and send in the placement ventilation device; Second check valve is in closed condition; When 4) thermic load is big, preferentially utilize solar energy, the same step 3) of its method; Open valve port a and the valve port c of second triple valve simultaneously, close port b opens valve port d and the valve port e of the 3rd triple valve, and close port f opens first water pump and second water pump, by the indoor end of unit earthward capillary network heating agent is provided.
The invention has the beneficial effects as follows:
1, a kind of energy-conservation comfort air conditioning system system and the working method thereof of the present invention's proposition, sufficient resh air requirement can be provided, solve the problem of traditional air-conditioning system resh air requirement deficiency, realized that indoor thermal and humidity environment and air quality improve simultaneously, really reached healthy, comfortable air-conditioning standard.
2, this air-conditioning system is when cooling condition moves, consider indoor latent heat, new wind is handled the scope lower than design humidity, new wind load is handled separately, capillary network is only born indoor sensible heat load, its supply and return water temperature can be improved, avoid its surface sweating phenomenon to take place, reduce the energy consumption that air-conditioning system is handled humidity load simultaneously.
3, this air-conditioning system can be utilized the cold-storage ability of soil at the cooling condition initial operating stage, and underground cooling water is directly used in the capillary network cooling, need not open the earth source heat pump unit, saves the part energy.
4, this air-conditioning system is moved the intermediary and later stages at cooling condition, the processing of Application of Solar Energy in new wind can have been taken full advantage of regenerative resource, in the situation of solar radiation deficiency, the waste heat recovery of compressor high-temperature exhaust air to hot water storage tank, has been solved the unstability of solar energy.
5, this air-conditioning system is when cooling condition moves, and fresh air treatment system directly cools off with the cooling water of underground heat exchanger, has reduced the discharging to the soil condensation heat.
6, this air-conditioning system has adopted the preferential measure of solar energy utilization when heating condition moves, and can as much as possiblely utilize clean solar.
Description of drawings
Fig. 1 is the structural representation of air-conditioning system of the present invention;
Among the figure: 1. solar thermal collector; 2. hot water storage tank; 3. first triple valve; 4. solution heater; 5 regenerative device of solution; 6. solution heat exchanger; 7. solution cooler; 8. new wind processor; 9. concentrated solution case; 10. weak solution case; 11. solution moisture removing device; 12. new wind-heat recover; 13. placement ventilation device; 14. ground heat exchanger; 15. band recuperation of heat earth source heat pump unit; 16. second triple valve; 17. the 3rd triple valve; 18. first check valve; 19. concentrated solution pump; 20. weak solution pump; 21. wall capillary network; 21 '. the ground capillary network; 22. second check valve; 23. the 3rd check valve; 24. the 4th triple valve; 25. concentrated solution valve; 26. weak solution valve; 27. first water pump; 28. second water pump; 29. the 3rd water pump; 30. the 4th check valve; 31. the 5th check valve; 32. heat-exchanger pump.
The specific embodiment
Referring to Fig. 1, the present invention includes soil Cooling and Heat Source part, solar source part, new wind processing section, air conditioning terminal four parts.Wherein, the soil Cooling and Heat Source partly comprises ground heat exchanger 14, band recuperation of heat earth source heat pump unit 15, three water pumps 27,28,29, two triple valves 16,17, two check valves 18,23, temperature element T1.
Solar source partly comprises solar thermal collector 1, hot water storage tank 2, two triple valves 3,32, one temperature element T2 of 24, one heat-exchanger pumps.
New wind processing section comprises solution heater 4, regenerative device of solution 5, solution heat exchanger 6, solution cooler 7, concentrated solution case 9, weak solution case 10, solution moisture removing device 11, new wind processor 8, new wind-heat recover 12, two solution pumps 19,20, three check valves 22,25,26.
Air conditioning terminal partly comprises placement ventilation device 13, wall capillary network 21 and ground capillary network 21 ', two check valves 30,31.
The output of band recuperation of heat earth source heat pump unit 15 indoor ends is connected with the output of ground heat exchanger 14, the import of ground capillary network 21 ', the import of wall capillary network 21 respectively through pipeline.The output of ground heat exchanger 14 connects new wind processor 8 by first water pump 27, first check valve 18 successively through pipeline.The output of first water pump 27 connects the valve port a of second triple valve 16, the outlet that the outdoor end of the valve port c connecting band recuperation of heat earth source heat pump unit 15 of second triple valve 16, the valve port b of second triple valve 16 connect the import of wall capillary network 21 respectively and be with the indoor end of recuperation of heat earth source heat pump unit 15.Serial connection the 4th check valve 30 between the valve port b of second triple valve 16 and wall capillary network 21, serial connection temperature element T1 between first water pump 27 and second triple valve 16.The input of ground heat exchanger 14 is connected with the 3rd triple valve 17, band recuperation of heat earth source heat pump unit 15, solution cooler 7 respectively through pipeline.
The input of band recuperation of heat earth source heat pump unit 15 indoor ends connects the outlet of wall capillary network 21 and ground capillary network 21 ' successively by second water pump 28, the 3rd triple valve 17 through pipeline.The valve port d of the 3rd triple valve 17 connects wall capillary network 21 and ground capillary network 21 ', the valve port f of the 3rd triple valve 17 connects the input of ground heat exchanger 14, a branch that links to each other with the 4th triple valve 24 with new wind processor 8 respectively in parallel before second water pump 28, second water pump 28 connects the valve port e of the 3rd triple valve 17 and the valve port n of the 4th triple valve 24 respectively.
Series connection the 5th check valve 31 before the import of ground capillary network 21 ', series connection the 4th check valve 30 before the import of wall capillary network 21.The import of ground capillary network 21 ' is by second check valve, 22 pipelines that link to each other with new wind processor 8 in parallel.That is, the output of band recuperation of heat earth source heat pump unit 15 connects the import of wall capillary networks 21, connects the import of ground capillary networks 21 ' through the 5th check valve 31 through the 4th check valve 30 respectively.The output of the waste heat recovery end of band recuperation of heat earth source heat pump unit 15 links to each other with hot water storage tank 2 with the 3rd water pump 29, the 3rd check valve 23 successively through pipeline, and the input of the waste heat recovery end of band recuperation of heat earth source heat pump unit 15 is connected with hot water storage tank 2 through pipeline.
The input of hot water storage tank 2 directly connects the output of solar thermal collector 1 through pipeline, the output of hot water storage tank 2 links to each other with heat-exchanger pump 32, first triple valve 3 successively through pipeline, temperature element T2 is installed on the hot water storage tank 2, first triple valve 3 connects solution heater 4 and new wind processor 8 respectively by the road, the input of solar thermal collector 1 connects the 4th triple valve 24, the four triple valves 24 through pipeline and connects solution heater 4 and new wind processor 8 respectively by the road.Heat-exchanger pump 32 connects the valve port i of first triple valve 3, and solution heater 4 connects the valve port k of first triple valve 3 and the valve port L of the 4th triple valve 24 respectively.New wind processor 8 connects the valve port j of first triple valve 3 and the valve port n of the 4th triple valve 24 respectively, and the input of solar thermal collector 1 connects the valve port m of the 4th triple valve 24.
Solution heater 4 connects regenerative device of solution 5 and solution heat exchanger 6 respectively by solution conduit, regenerative device of solution 5 is connected with new wind-heat recover 12 and external environment respectively by airduct, the input of solution heat exchanger 6 links to each other with the taphole of regenerative device of solution 5 and the outlet of weak solution case 10 respectively through solution conduit, at port of export series connection weak solution valve 26 and the weak solution pump 20 of weak solution case 10.The output of solution heat exchanger 6 is connected with solution cooler 7 with solution heater 4 through solution conduit respectively.The input of solution cooler 7 links to each other with new wind processor 8 with solution heat exchanger 6 respectively, and the output of solution cooler 7 links to each other with ground heat exchanger 14 with concentrated solution case 9 respectively, at the entrance point series connection concentrated solution valve 25 of concentrated solution case 9.Solution moisture removing device 11 links to each other with weak solution case 10 with concentrated solution case 9 respectively by solution conduit, and at the outlet series connection solution pump 19 of concentrated solution case 9, solution moisture removing device 11 links to each other with new wind processor 8 with new wind-heat recover 12 respectively by airduct.The input of new wind-heat recover 12 links to each other with placement ventilation device 13 with environment respectively by airduct, and placement ventilation device 13 joins with new wind processor 8.The output of new wind-heat recover 12 links to each other with solution moisture removing device 11 with regenerative device of solution 5 respectively by airduct, and the airduct branch road of inlet parallel at solution moisture removing device 11 directly links to each other with new wind processor 8.
Air-conditioning system shown in Figure 1 adopts different working methods according to the difference in season and the difference of payload when work, specific as follows:
When the refrigerating operaton of early summer: refrigeration duty and humidity load are all less, the cold-storage of soil can be satisfied the demand, open valve port a and the valve port b of second triple valve 16, close port c, simultaneously, open valve port d and the valve port f of the 3rd triple valve 17, close port e, and open the 4th check valve 30, close the 5th check valve 31, open first water pump 27, close second water pump 28, ground heat exchanger 14 directly provides cold water to wall capillary network 21 through first water pump 27 and second triple valve 16, forms the chilled water circuit of wall radiation cooling, band recuperation of heat earth source heat pump unit 15 is not worked, and need not operation.New wind is handled the heat exchange that relies on new wind-heat recover 12 to carry out new wind and air draft, does not cool off in new wind processor 8 by new wind processor 8(then) send into placement ventilation device 13, other equipment of new wind processing section are not worked.
In summer, later stage is during refrigerating operaton: refrigeration duty increases gradually, the cold-storage of soil can not be satisfied the demand, this signal is reacted to second triple valve 16 and the 3rd triple valve 17 by temperature element T1, thereby change both states, namely open valve port a and the valve port c of second triple valve 16, close port b, open valve port d and the valve port e of the 3rd triple valve 17, close port f, open the 4th check valve 30, close the 5th check valve 31, open first water pump 27 and second water pump 28 simultaneously, band recuperation of heat earth source heat pump unit 15 is in the refrigerating operaton state, indoor end by unit provides chilled water to wall capillary network 21, form the chilled water circuit of wall radiation cooling, bear indoor sensible heat part, form the chilled(cooling) water return (CWR) by the outdoor end of ground heat exchanger 14 and unit.Solar radiation strengthens, and thermal-arrest plate heat flow density increases, and can satisfy the requirement of 5 pairs of thermals source of regenerative device of solution.At this moment, valve port i and the valve port k of first triple valve 3 are in opening, valve port j is in closed condition, valve port m and the valve port L of the 4th triple valve 24 are in opening, valve port n is in closed condition, open heat-exchanger pump 32, form the water loop of solution regenerated heat, solution dehumidification system brings into operation, new wind carries out the heat exchange of new wind and air draft through new wind-heat recover 12, carrying out humidity through solution moisture removing device 11 then handles, open first check valve 18, make cooling water in the ground heat exchanger 14 successively through first check valve 18, new wind processor 8 and solution cooler 7 form new air cooling water and solution chilled(cooling) water return (CWR), bear the load of the new wind sensible heat load of a part and the cooling of a part of solution, new wind is sent in the placement ventilation device 13 be cooled to wind pushing temperature in new wind processor 8 after.Open concentrated solution valve 25 and weak solution valve 26, concentrated solution pump 19 and 20 operations of weak solution pump, flow to weak solution case 10 through solution moisture removing device 11 later weak solutions, pass through weak solution valve 26 and weak solution pump 20 then, the concentrated solution that enters solution heat exchanger 6 and come out from regenerative device of solution 5 is carried out after the heat exchange, be heated through solution heater 4, enter regeneration in the regenerative device of solution 5 at last, steam is wherein taken away by indoor high temperature air draft.Concentrated solution after the regeneration enters further cooling in the solution cooler 7 through after the solution heat exchanger 6, enters in the concentrated solution case 9 through concentrated solution valve 25 again, enters 11 pairs of new wind of solution moisture removing device and carries out humidity and handle finally by crossing solution pump 19.When the temperature T 2 of hot water storage tank can not satisfy the demand of 5 pairs of thermals source of regenerative device of solution, the 3rd check valve 23 is opened, 29 operations of the 3rd water pump, make hot water storage tank 2 be communicated with band recuperation of heat earth source heat pump unit 15, form the supplemental heat source hot-water return with band recuperation of heat earth source heat pump unit 15, utilize the high-temperature exhaust air waste heat of the compressor of band recuperation of heat earth source heat pump unit 15 that hot water storage tank 2 is heated.For comprehensive with the latent heat load in room, for the design humidity that is less than the room in the new rheumatism degree of placement ventilation device 13, to satisfy the wet needs of indoor heat.
Latter stage is during heating operation in the fall: thermic load is less, new wind only is provided, valve port i and the valve port j of first triple valve 3 are in opening, k is in closed condition, valve port m and the valve port n of the 4th triple valve 24 are in opening, valve port L is in closed condition, heat-exchanger pump 32 is opened, form new wind and handle hot-water return, the solar source part provides the thermal source of handling new wind separately, and new wind carries out after the heat exchange through new wind-heat recover 12, enters in the new wind processor 8 to be heated, send in the placement ventilation device 13, solution dehumidification system does not move.Second check valve 22 is in closed condition, and soil Cooling and Heat Source equipment component is in shut down condition.
When winter heating moved: thermic load increased gradually, taked the preferential principle of utilizing of solar energy.Under the situation of solar radiation abundance, the thermal source that the solar source part is handled as new wind in the placement ventilation device, each unit status is identical during heating operation with latter stage in autumn in the solar source part, other loads are born by earth-source hot-pump system, soil Cooling and Heat Source equipment component is in the operation of heat pump state simultaneously, the valve port a of second triple valve 16 and valve port c open, valve port b closes, the valve port d of the 3rd triple valve 17 and valve port e open, valve port f closes, first water pump 27 and second water pump 28 are in running status, by the indoor end of band recuperation of heat earth source heat pump unit 15 earthward capillary network 21 ' heating agent is provided, form the hot-water return of ground radiation heating, bear indoor thermic load part in winter.If solar radiation can not provide the thermal source that new wind is handled in the placement ventilation device, then this part load is born by the earth source heat pump unit equally, second check valve 22 is opened, and forms new wind and handles hot-water return, and the indoor end of band recuperation of heat earth source heat pump unit 15 provides the heating agent of new wind processor 8 simultaneously.Valve port i and the valve port k of first triple valve 3 are in opening, and valve port j is in closed condition, and valve port m and the valve port L of the 4th triple valve 24 are in opening, and valve port n is in closed condition, and heat-exchanger pump 32 does not move.Control first triple valve 3 and the 4th triple valve 24 by the scope in winter of temperature element T2, and the state of second check valve 22.
Claims (6)
1. energy-saving comfortable air-conditioning system, comprise soil Cooling and Heat Source part, solar source part, new wind processing section, air conditioning terminal four parts, the soil Cooling and Heat Source partly comprises ground heat exchanger (14) and band recuperation of heat earth source heat pump unit (15), and solar source partly comprises solar thermal collector (1) and hot water storage tank (2); Air conditioning terminal partly comprises placement ventilation device (13), wall capillary network (21) and ground capillary network (21 '); New wind processing section comprises solution heater (4), solution heat exchanger (6), solution cooler (7), solution moisture removing device (11), new wind processor (8) and new wind-heat recover (12), it is characterized in that: the output of ground heat exchanger (14) connects new wind processor (8) through first water pump (27), first check valve (18); The output of first water pump (27) connects the valve port a of second triple valve (16), the valve port c connecting band recuperation of heat earth source heat pump unit (15) of second triple valve (16), the valve port b of second triple valve (16) connect import and band recuperation of heat earth source heat pump unit (15) outlet of wall capillary network (21) respectively; Serial connection the 4th check valve (30) between valve port b and wall capillary network (21), the input of ground heat exchanger (14) connect valve port f, band recuperation of heat earth source heat pump unit (15) and the solution cooler (7) of the 3rd triple valve (17) respectively; The valve port d of the 3rd triple valve (17) connects wall capillary network (21) and ground capillary network (21 ') respectively, connect new wind processor (8) and the 4th triple valve (24) in parallel before at second water pump (28), second water pump (28) connects the valve port e of the 3rd triple valve (17) and the valve port n of the 4th triple valve (24) respectively; Connection the 4th check valve (30) before the import of wall capillary network (21), series connection the 5th check valve (31) before the import of ground capillary network (21 '); Four, the 5th check valve (30,31) connecting band recuperation of heat earth source heat pump unit (15) output respectively; The recuperation of heat end input of band recuperation of heat earth source heat pump unit (15) directly connects hot water storage tank (2), and the output of recuperation of heat end connects hot water storage tank (2) through the 3rd water pump (29), the 3rd check valve (23) successively; Valve port m, output that the input of solar thermal collector (1) connects the 4th triple valve (24) link to each other with the valve port i of hot water storage tank (2), heat-exchanger pump (32), first triple valve (3) successively, and the valve port L of the valve port k of first triple valve (3) and the 4th triple valve (24) is connected solution heater (4) respectively; The valve port n of the valve port j of first triple valve (3) and the 4th triple valve (24) is connected new wind processor (8) respectively; Solution heater (4) connects regenerative device of solution (5) and solution heat exchanger (6) respectively, regenerative device of solution (5) connects solution heat exchanger (6), new wind-heat recover (12) and external environment respectively, the input of solution heat exchanger (6) links to each other with the taphole of regenerative device of solution (5) and the outlet of weak solution case (10) respectively through solution conduit, at port of export series connection weak solution valve (26) and the weak solution pump (20) of weak solution case (10), the entrance point of weak solution case (10) connects solution moisture removing device (11); The output of solution heat exchanger (6) connects solution cooler (7), concentrated solution case (9) and solution moisture removing device (11) successively; New wind processor (8) connects solution cooler (7), solution moisture removing device (11) and placement ventilation device (13) respectively, solution moisture removing device (11) connects concentrated solution case (9), weak solution case (10) and new wind-heat recover (12) respectively, new wind-heat recover (12) linker substitution ventilation unit (13), the entrance point series connection concentrated solution valve (25) of concentrated solution case (9), the outlet serial connection solution pump (19) of concentrated solution case (9).
2. the method for work of the described energy-saving comfortable air-conditioning system of claim 1: it is characterized in that:
1) refrigeration duty and humidity load are all hour, open valve port a and the valve port b of second triple valve (16), close port c, open valve port d and the valve port f of the 3rd triple valve (17), close port e, and open the 4th check valve (30), close the 5th check valve (31), open first water pump (27), close second water pump (28), ground heat exchanger (14) directly provides cold water to wall capillary network (21) through first water pump (27) and second triple valve (16), band recuperation of heat earth source heat pump unit (15) is not worked, and new wind-heat recover (12) carries out sending into placement ventilation device (13) after the heat exchange of new wind and air draft;
When 2) refrigeration duty is big, open valve port a and the valve port c of second triple valve (16), close port b, open valve port d and the valve port e of the 3rd triple valve (17), close port f, open the 4th check valve (30), close the 5th check valve (31), open first water pump (27) and second water pump (28) simultaneously, band recuperation of heat earth source heat pump unit (15) is in the refrigerating operaton state, provides chilled water to wall capillary network (21), and new wind processing section is in running status, new wind is carried out hot wet process, and solar energy provides the thermal source of solution dehumidification;
3) thermic load hour only provides new wind, opens valve port i and the valve port j of first triple valve (3), and close port k opens valve port m and the valve port n of the 4th triple valve (24), and close port L opens heat-exchanger pump (32); New wind carries out heat exchange through new wind-heat recover (12) and enters later on to be heated in the new wind processor (8) and send in the placement ventilation device (13); Second check valve (22) is in closed condition;
When 4) thermic load is big, preferentially utilize solar energy, the same step 3) of its method, open valve port a and the valve port c of second triple valve (16) simultaneously, close port b opens valve port d and the valve port e of the 3rd triple valve (17), close port f, open first water pump (27) and second water pump (28), by the band recuperation of heat earth source heat pump unit (15) indoor end earthward capillary network (21 ') heating agent is provided.
3. method of work according to claim 2: it is characterized in that: step 2), when solar radiation is strong, open valve port i and the valve port k of first triple valve (3) earlier, close port j, open valve port m and the valve port L of the 4th triple valve (24), close port n opens heat-exchanger pump (32), and new wind carries out carrying out humidity through solution moisture removing device (11) after the heat exchange of new wind and air draft to be handled through new wind-heat recover (12); Open first check valve (18) then, make the cooling water in the ground heat exchanger (14) form new air cooling water and solution chilled(cooling) water return (CWR) through first check valve (18), new wind processor (8) and solution cooler (7) successively, new wind is cooled in new wind processor (8) and sends in the placement ventilation device (13).
4. method of work according to claim 2: it is characterized in that: step 2), open concentrated solution valve (25) and weak solution valve (26), the concentrated solution that flows to the weak solution in the solution heat exchanger (6) and come out from regenerative device of solution (5) is carried out heat exchange, after being heated, solution heater (4) enters regeneration in the regenerative device of solution (5), behind solution heat exchanger (6), enter further cooling in the solution cooler (7), enter solution moisture removing device (11) newer wind is carried out the humidity processing.
5. method of work according to claim 2: it is characterized in that: step 2), when the temperature of hot water storage tank (2) can not satisfy regenerative device of solution (5) to the demand of thermal source, open the 3rd check valve (23), the 3rd water pump (29) operation, make hot water storage tank (2) be communicated with band recuperation of heat earth source heat pump unit (15), utilize the high-temperature exhaust air waste heat of the compressor of band recuperation of heat earth source heat pump unit (15) that hot water storage tank (2) is heated.
6. method of work according to claim 2: it is characterized in that: in the step 4), if solar radiation can not provide the thermal source that new wind is handled in the placement ventilation device (13), then open second check valve (22), band recuperation of heat earth source heat pump unit (15) provides the heating agent of new wind processor (8) simultaneously.
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| CN103574797B (en) * | 2012-07-25 | 2015-12-16 | 中国二十冶集团有限公司 | The hospital architecture control method of recuperation of heat energy composite energy system |
| CN103216895A (en) * | 2013-04-17 | 2013-07-24 | 华北科技学院 | Air source heat pump assisted solar comprehensive heating and air-conditioning system |
| CN104089350B (en) * | 2014-06-23 | 2016-08-17 | 上海怡好生态空调科技有限公司 | A kind of warm and humid independent control soil natural source capillary tube air conditioning system |
| CN106765966A (en) * | 2016-12-29 | 2017-05-31 | 北京海林节能科技股份有限公司 | The temprature control method and temperature controller of compatible air-conditioning and heating system |
| CN111207432A (en) * | 2020-01-29 | 2020-05-29 | 辽宁大学 | Fresh air system for supplying heat by using waste heat of industrial power cooling system and assisting underground heat source and control method |
| CN111735218A (en) * | 2020-07-27 | 2020-10-02 | 浙江陆特能源科技股份有限公司 | Combined system for ultralow-energy-consumption heating and refrigeration of coupled photo-thermal and geothermal heat collector |
| CN113465130B (en) * | 2021-07-09 | 2022-05-27 | 珠海格力电器股份有限公司 | Control method and device of air conditioner and computer readable storage medium |
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