CN103225836A - Seasonal-storage solar heating and combining refrigerating system and application method thereof - Google Patents
Seasonal-storage solar heating and combining refrigerating system and application method thereof Download PDFInfo
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- CN103225836A CN103225836A CN2013101890487A CN201310189048A CN103225836A CN 103225836 A CN103225836 A CN 103225836A CN 2013101890487 A CN2013101890487 A CN 2013101890487A CN 201310189048 A CN201310189048 A CN 201310189048A CN 103225836 A CN103225836 A CN 103225836A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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Abstract
The invention discloses a seasonal-storage heating and combining refrigerating system and an application method thereof. The seasonal-storage heating and combining refrigerating system comprises a solar thermal collector, an underground thermal stratification pool, a water source heat pump unit, a plate-type heat exchanger, an air conditioning terminal fan coil and a cooling tower, wherein the solar thermal collector, the underground thermal stratification pool, the water source heat pump unit, the plate-type heat exchanger, the air conditioning terminal fan coil and the cooling tower are connected together through pipelines, valves and circulating pumps. The seasonal-storage heating and combining refrigerating system provided by the invention has the advantages that the heat storage efficiency is high, the heat exchange property is good, and the operation and maintenance are simple; solar energy can replace traditional fossil fuel to provide a hot source for room heating, and thus the seasonal-storage heating and combining refrigerating system plays a positive role in environmental protection; and as solar energy is used in any season, the solar energy use ratio is improved to the maximum and can be up to more than 70%, and the purposes of energy conservation and emission reduction are fulfilled.
Description
Technical field
The invention belongs to energy technology field, be specifically related to a kind of solar cross-season heat-storage-water source heat pump combining operational system and using method thereof.
Background technology
The going from bad to worse of energy crisis and environment in the global range, problems such as building energy consumption that brings based on the urban district heating system of fossil fuel and environmental pollution have enjoyed people to pay close attention to.At present, energy for building consumes the energy in the whole world 1/3 approximately.In energy for building, also to a large amount of pollutant of airborne release, as TSP, SO2, NOx etc.According to relevant department's measuring and calculating, the CO2 of energy for building discharging almost accounts for 1/3 of global total release, and quantity is very surprising.Therefore, development of new environmental protection regenerative resource and the efficiency of energy utilization that improves heating system become and solve the critical path that heating and energy saving reduces discharging problem.
At northern extremely frigid zones, winter temperature is low, and the sunshine-duration is short, and only 5-6 hour, effectively the solar radiation amount was few, is difficult to satisfy the heat supply needs; And in general high temperature and little rainfall in summer, the sunshine-duration is longer, surpasses 12 hours, and solar energy is abundant, and can not effectively be used in winter heating with solar energy this season.
Solar energy is a kind of widely distributed, free of contamination clean energy resource, and the development of its heat utilization technology is the most ripe.Solar energy still is a kind of seasonal variety and the intermittent energy that changes, and satisfies the heating demand of building as utilizing hot efficiently switch technology and cross-season heat-storage technology, will improve heating system solar energy utilization ratio and economy largely.Therefore, feasible heating technology of solar cross-season heat-storage efficiently of development and equipment are significant applying of building field for the development and the solar energy of solar heating technology.
Summary of the invention
In order to overcome the above-mentioned technical problem that the prior art field exists, the objective of the invention is to, a kind of solar cross season accumulation of energy heating joint refrigeration system and using method thereof are provided, the heat storage efficiency height, heat exchange property is good, operation maintenance is simple.
Solar cross season accumulation of energy heating joint refrigeration system provided by the invention and using method thereof, described solar cross season accumulation of energy heating joint refrigeration system, it comprises solar thermal collector, underground heat storage layering pond, water source heat pump units, plate type heat exchanger, air conditioning terminal fan coil and cooling tower, and described solar thermal collector, underground heat storage layering pond, water source heat pump units, plate type heat exchanger, air conditioning terminal fan coil and cooling tower link together by pipeline, valve body, circulating pump; Described solar thermal collector, underground heat storage layering pond, water source heat pump units, plate type heat exchanger, air conditioning terminal fan coil connect and compose heat-storage heating system by pipeline, valve body, circulating pump; Described cooling tower, water source heat pump units, air conditioning terminal fan coil connect and compose refrigeration system by pipeline, valve body, circulating pump; Inside, described underground heat storage layering pond is provided with deflector, and deflector is divided into high-temperature region and low-temperature space with underground heat storage layering pond.
The using method of solar cross season accumulation of energy heating joint refrigeration system is as follows:
One, heating: underground heat storage layering pond operation, solar thermal collector is to underground heat storage layering pond delivering hot water, during high-temperature region, underground heat storage layering pond water temperature 〉=90 ℃, the heat source side circulating pump, use the side circulating pump, the motor-driven valve VIII, the motor-driven valve V, the motor-driven valve II, the motor-driven valve I is opened, hot water is by the high-temperature region in underground heat storage layering pond, through the motor-driven valve II, the heat source side circulating pump, the heat source side of motor-driven valve V and plate type heat exchanger is carried out heat exchange, heat exchange is after the motor-driven valve I is carried back the low-temperature space in underground heat storage layering pond, heat by solar thermal collector again, the backwater of air conditioning terminal fan coil extracts through using the side circulating pump, use side to plate type heat exchanger is carried, hot water effluent's temperature of the use side of plate type heat exchanger is received from dynamic control signal by the motor-driven valve V, the use side leaving water temperature of accurate control plate type heat exchanger 〉=45 ℃, 45 ℃ of hot water enter the air conditioning terminal fan coil after carrying out heat exchange, to the room distribute heat, reach the heating requirement; When high-temperature region, underground accumulation of heat layering pond water temperature≤40 ℃, water source heat pump units, the heat source side circulating pump, use the side circulating pump, the motor-driven valve VI, the motor-driven valve VII, the motor-driven valve IV, the motor-driven valve III, the motor-driven valve II, the motor-driven valve I is opened, other motor-driven valves cut out, hot water is by the high-temperature region in underground heat storage layering pond, through the motor-driven valve II, the heat source side circulating pump, the motor-driven valve III enters the source pump evaporimeter, after the evaporimeter heat release again through the motor-driven valve IV, the motor-driven valve I is carried back the low-temperature space in underground heat storage layering pond, heat by solar thermal collector again, the backwater of air conditioning terminal fan coil extracts through using the side circulating pump, entering the source pump condenser through the motor-driven valve VI absorbs heat, heat absorption back hot water enters the air conditioning terminal fan coil through the motor-driven valve VII, to the room distribute heat, reach the heating requirement;
Two, refrigeration: open water source heat pump units, the air conditioning terminal fan coil, cooling tower, the heat source side circulating pump, use the side circulating pump, motor-driven valve X III, motor-driven valve X IV, the motor-driven valve XII, the motor-driven valve XI, the motor-driven valve IX, the motor-driven valve X, other motor-driven valves cut out, cooling water is through the motor-driven valve IX, the heat source side circulating pump, the motor-driven valve XI enters the source pump condenser, after condenser heat absorption again through the motor-driven valve XII, the motor-driven valve X is delivered to cooling tower and cools off, after the cooling again through the motor-driven valve IX, the heat source side circulating pump, the motor-driven valve XI enters the source pump condenser and finishes a condensation process; The backwater of air conditioning terminal fan coil extracts through using the side circulating pump, enters the source pump evaporimeter through motor-driven valve X III and carries out heat release, and cold water enters the air conditioning terminal fan coil through motor-driven valve X IV after the heat release, distributes cold to the room, reaches the refrigeration requirement;
Three, antifreeze circulation: the solar heat water-circulating pump is opened, and the water of underground heat storage layering pond low-temperature space flows underground heat storage layering pond through solar heat water-circulating pump, solar thermal collector, back, finishes an antifreeze circulation;
Four, non-heating season accumulation of heat circulation: the solar heat water-circulating pump is opened, and the water of underground heat storage layering pond low-temperature space is through the solar heat water-circulating pump, and hot water produces inflow high-temperature region, underground heat storage layering pond, back by solar thermal collector and finishes an accumulation of heat circulation.
Solar cross season accumulation of energy heating joint refrigeration system provided by the invention and using method thereof, its beneficial effect be, the heat storage efficiency height, heat exchange property is good, operation maintenance is simple; Substituting traditional fossil fuel with solar energy is that room heating provides thermal source, and environmental protection is had positive role; Use by solar cross-season, can improve solar energy utilization ratio to greatest extent, utilization rate can reach more than 70%, energy-saving and emission-reduction.
Description of drawings
Fig. 1 is the overall structure schematic diagram of one embodiment of the invention;
Fig. 2 is a heat-storage heating system operation schematic diagram;
Fig. 3 is a refrigeration system operation schematic diagram.
Mark among the figure:
1. solar thermal collector; 2. solar heat water-circulating pump; 3. underground heat storage layering pond; 4. water source heat pump units; 5. air conditioning terminal fan coil; 6. cooling tower; 7. plate type heat exchanger; 8. heat source side circulating pump; 9. use the side circulating pump; 10. motor-driven valve X III; 11. motor-driven valve VI; 12. motor-driven valve X IV; 13. motor-driven valve VII; 14. motor-driven valve VIII; 15. motor-driven valve V; 16. motor-driven valve XII; 17. motor-driven valve IV; 18. motor-driven valve XI; 19. motor-driven valve III; 20. motor-driven valve IX; 21. motor-driven valve II; 22. motor-driven valve X; 23. motor-driven valve I; 24. pipeline; 25. low-temperature space; 26. high-temperature region; 27. deflector.
The specific embodiment
With reference to the accompanying drawings, in conjunction with an embodiment, solar cross provided by the invention season accumulation of energy heating joint refrigeration system and using method thereof are described in detail.
Embodiment
With reference to Fig. 1-Fig. 3, the solar cross season accumulation of energy heating joint refrigeration system and the using method thereof of present embodiment, described solar cross season accumulation of energy heating joint refrigeration system, it comprises solar thermal collector 1, underground heat storage layering pond 3, water source heat pump units 4, plate type heat exchanger 7, air conditioning terminal fan coil 5 and cooling tower 6, and described solar thermal collector 1, underground heat storage layering pond 3, water source heat pump units 4, plate type heat exchanger 7, air conditioning terminal fan coil 5 and cooling tower 6 link together by pipeline 24, valve body, circulating pump; Described solar thermal collector 1, underground heat storage layering pond 3, water source heat pump units 4, plate type heat exchanger 7, air conditioning terminal fan coil 5 connect and compose heat-storage heating system by pipeline, valve body, circulating pump; Described cooling tower 6, water source heat pump units 4, air conditioning terminal fan coil 5 connect and compose refrigeration system by pipeline, valve body, circulating pump; Inside, described underground heat storage layering pond is provided with deflector 27, and deflector is divided into high-temperature region 26 and low-temperature space 25 with underground heat storage layering pond.
One, heating: underground heat storage layering pond 3 operations, solar thermal collector 1 is to underground heat storage layering pond 3 delivering hot waters, when underground heat storage layering pond 3 high-temperature region water temperatures reach 90 ℃, heat source side circulating pump 8, use side circulating pump 9, motor-driven valve VIII 14, motor-driven valve V 15, motor-driven valve II 21, motor-driven valve I 23 is opened, hot water is by the high-temperature region in underground heat storage layering pond, through motor-driven valve II 21, heat source side circulating pump 8, the heat source side of motor-driven valve V 15 and plate type heat exchanger 7 is carried out heat exchange, heat exchange is after motor-driven valve I 23 is carried back the low-temperature space in underground heat storage layering pond, heat by solar thermal collector 1 again, the backwater of air conditioning terminal fan coil 5 extracts through using side circulating pump 9, use side to plate type heat exchanger 7 is carried, hot water effluent's temperature of the use side of plate type heat exchanger 7 is received from dynamic control signal by motor-driven valve V 15, accurately the use side leaving water temperature of control plate type heat exchanger is not less than 45 ℃, 45 ℃ of hot water enter air conditioning terminal fan coil 5 after carrying out heat exchange, to the room distribute heat, reach the heating requirement; When high-temperature region, underground accumulation of heat layering pond water temperature is 40 ℃, water source heat pump units 4, heat source side circulating pump 8, use side circulating pump 9, motor-driven valve VI 11, motor-driven valve VII 13, motor-driven valve IV 17, motor-driven valve III 19, motor-driven valve II 21, motor-driven valve I 23 is opened, other motor-driven valves cut out, hot water is by the high-temperature region in underground heat storage layering pond, through motor-driven valve II 21, heat source side circulating pump 8, the motor-driven valve III enters the source pump evaporimeter, after the evaporimeter heat release again through the motor-driven valve IV, motor-driven valve I 23 is carried back the low-temperature space in underground heat storage layering pond, heat by solar thermal collector 1 again, the backwater of air conditioning terminal fan coil 5 extracts through using side circulating pump 8, entering the source pump condenser through motor-driven valve VI 11 absorbs heat, heat absorption back hot water enters air conditioning terminal fan coil 5 through motor-driven valve VII 13, to the room distribute heat, reach the heating requirement;
Two, refrigeration: open water source heat pump units 4, air conditioning terminal fan coil 5, cooling tower 6, heat source side circulating pump 8, use side circulating pump 9, motor-driven valve X III 10, motor-driven valve X IV 12, motor-driven valve XII 16, motor-driven valve XI 18, motor-driven valve IX 20, motor-driven valve X 22, other motor-driven valves cut out, cooling water is through motor-driven valve IX 20, heat source side circulating pump 8, motor-driven valve XI 18 enters the source pump condenser, after condenser heat absorption again through motor-driven valve XII 16, motor-driven valve X 22 is delivered to cooling tower and cools off, after the cooling again through motor-driven valve IX 20, heat source side circulating pump 8, motor-driven valve XI 18 enters the source pump condenser and finishes a condensation process; The backwater of air conditioning terminal fan coil extracts through using the side circulating pump, enters the source pump evaporimeter through motor-driven valve X III 10 and carries out heat release, and cold water enters air conditioning terminal fan coil 5 through motor-driven valve X IV 12 after the heat release, distributes cold to the room, reaches the refrigeration requirement;
Three, antifreeze circulation: solar heat water-circulating pump 2 is opened, and the water of underground heat storage layering pond low-temperature space flows underground heat storage layering pond through solar heat water-circulating pump, solar thermal collector, back, finishes an antifreeze circulation;
Four, non-heating season accumulation of heat circulation: solar heat water-circulating pump 2 is opened, and the water of underground heat storage layering pond low-temperature space is through the solar heat water-circulating pump, and hot water produces inflow high-temperature region, underground heat storage layering pond, back by solar thermal collector and finishes an accumulation of heat circulation.
Claims (4)
1. solar cross season accumulation of energy heating joint refrigeration system, it is characterized in that: it comprises solar thermal collector, underground heat storage layering pond, water source heat pump units, plate type heat exchanger, air conditioning terminal fan coil and cooling tower, and described solar thermal collector, underground heat storage layering pond, water source heat pump units, plate type heat exchanger, air conditioning terminal fan coil and cooling tower link together by pipeline, valve body, circulating pump.
2. solar cross season accumulation of energy heating joint refrigeration according to claim 1 system, it is characterized in that: described solar thermal collector, underground heat storage layering pond, water source heat pump units, plate type heat exchanger, air conditioning terminal fan coil connect and compose heat-storage heating system by pipeline, valve body, circulating pump; Described cooling tower, water source heat pump units, air conditioning terminal fan coil connect and compose refrigeration system by pipeline, valve body, circulating pump.
3. solar cross season accumulation of energy heating joint refrigeration according to claim 1 system, it is characterized in that: inside, described underground heat storage layering pond is provided with deflector, and deflector is divided into high-temperature region and low-temperature space with underground heat storage layering pond.
4. the using method of a solar cross season accumulation of energy heating joint refrigeration system, it is characterized in that: one, heating: underground heat storage layering pond operation, solar thermal collector is to underground heat storage layering pond delivering hot water, during high-temperature region, underground heat storage layering pond water temperature 〉=90 ℃, the heat source side circulating pump, use the side circulating pump, the motor-driven valve VIII, the motor-driven valve V, the motor-driven valve II, the motor-driven valve I is opened, hot water is by the high-temperature region in underground heat storage layering pond, through the motor-driven valve II, the heat source side circulating pump, the heat source side of motor-driven valve V and plate type heat exchanger is carried out heat exchange, heat exchange is after the motor-driven valve I is carried back the low-temperature space in underground heat storage layering pond, heat by solar thermal collector again, the backwater of air conditioning terminal fan coil extracts through using the side circulating pump, use side to plate type heat exchanger is carried, hot water effluent's temperature of the use side of plate type heat exchanger is received from dynamic control signal by the motor-driven valve V, the use side leaving water temperature of accurate control plate type heat exchanger 〉=45 ℃, 45 ℃ of hot water enter the air conditioning terminal fan coil after carrying out heat exchange, to the room distribute heat, reach the heating requirement; When high-temperature region, underground accumulation of heat layering pond water temperature≤40 ℃, water source heat pump units, the heat source side circulating pump, use the side circulating pump, the motor-driven valve VI, the motor-driven valve VII, the motor-driven valve IV, the motor-driven valve III, the motor-driven valve II, the motor-driven valve I is opened, other motor-driven valves cut out, hot water is by the high-temperature region in underground heat storage layering pond, through the motor-driven valve II, the heat source side circulating pump, the motor-driven valve III enters the source pump evaporimeter, after the evaporimeter heat release again through the motor-driven valve IV, the motor-driven valve I is carried back the low-temperature space in underground heat storage layering pond, heat by solar thermal collector again, the backwater of air conditioning terminal fan coil extracts through using the side circulating pump, entering the source pump condenser through the motor-driven valve VI absorbs heat, heat absorption back hot water enters the air conditioning terminal fan coil through the motor-driven valve VII, to the room distribute heat, reach the heating requirement;
Two, refrigeration: open water source heat pump units, the air conditioning terminal fan coil, cooling tower, the heat source side circulating pump, use the side circulating pump, motor-driven valve X III, motor-driven valve X IV, the motor-driven valve XII, the motor-driven valve XI, the motor-driven valve IX, the motor-driven valve X, other motor-driven valves cut out, cooling water is through the motor-driven valve IX, the heat source side circulating pump, the motor-driven valve XI enters the source pump condenser, after condenser heat absorption again through the motor-driven valve XII, the motor-driven valve X is delivered to cooling tower and cools off, after the cooling again through the motor-driven valve IX, the heat source side circulating pump, the motor-driven valve XI enters the source pump condenser and finishes a condensation process; The backwater of air conditioning terminal fan coil extracts through using the side circulating pump, enters the source pump evaporimeter through motor-driven valve X III and carries out heat release, and cold water enters the air conditioning terminal fan coil through motor-driven valve X IV after the heat release, distributes cold to the room, reaches the refrigeration requirement;
Three, antifreeze circulation: the solar heat water-circulating pump is opened, and the water of underground heat storage layering pond low-temperature space flows underground heat storage layering pond through solar heat water-circulating pump, solar thermal collector, back, finishes an antifreeze circulation;
Four, non-heating season accumulation of heat circulation: the solar heat water-circulating pump is opened, and the water of underground heat storage layering pond low-temperature space is through the solar heat water-circulating pump, and hot water produces inflow high-temperature region, underground heat storage layering pond, back by solar thermal collector and finishes an accumulation of heat circulation.
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Cited By (2)
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| CN104567092A (en) * | 2014-10-22 | 2015-04-29 | 南京溧马新能源科技有限公司 | Control method of cross-seasonal energy storage type cold supply and heat supply device |
| CN109539374A (en) * | 2018-12-21 | 2019-03-29 | 北京中安金圣科技有限公司 | Solar energy-heat pump couples heating system and operation method |
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