CN103225836B - Solar cross season accumulation of energy heating combined refrigeration system and using method thereof - Google Patents
Solar cross season accumulation of energy heating combined refrigeration system and using method thereof Download PDFInfo
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- CN103225836B CN103225836B CN201310189048.7A CN201310189048A CN103225836B CN 103225836 B CN103225836 B CN 103225836B CN 201310189048 A CN201310189048 A CN 201310189048A CN 103225836 B CN103225836 B CN 103225836B
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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 kind of solar cross season accumulation of energy heating combined refrigeration system and using method thereof, described solar cross season accumulation of energy heating combined 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 are linked together by pipeline, valve body, circulating pump; Heat storage efficiency is high, heat exchange property good, operation maintenance is simple; Substitute conventional fossil fuel with solar energy and provide thermal source for room heating, to environmental protection, there is positive role; Used 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
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 global range, the problems such as the building energy consumption that the urban district heating system based on fossil fuel brings and environmental pollution, have enjoyed people to pay close attention to.At present, energy for building about consumes the energy in the whole world 1/3.While energy for building, also to the pollutant that airborne release is a large amount of, as TSP, SO2, NOx etc.According to relevant department's measuring and calculating, the CO2 of energy for building discharge almost accounts for 1/3 of global total release, and quantity is very surprising.Therefore, development of new environmental protection regenerative resource the efficiency of energy utilization improving heating system become and solve the critical path that heating and energy saving reduces discharging problem.
In cold area in north, winter temperature is low, and the sunshine-duration is short, only 5-6 hour, and effective solar radiation amount is few, is difficult to meet heat supply needs; And in general high temperature and little rainfall in summer, the sunshine-duration is longer, more than 12 hours, solar energy enrich, and this season can not effectively by Solar use in winter heating.
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.The energy that solar energy or a kind of seasonal variety change with intermittence, as the heating demand utilizing efficient hot-cast socket technology and cross-season heat-storage technology to meet building, will improve heating system solar energy utilization ratio and economy largely.Therefore, develop feasible efficient solar cross-season heat-storage heating technology and equipment for the development of solar heating technology and solar energy significant applying of building field.
Summary of the invention
In order to overcome the above-mentioned technical problem that prior art field exists, the object of the invention is to, provide a kind of solar cross season accumulation of energy heating combined refrigeration system and using method thereof, heat storage efficiency is high, heat exchange property good, operation maintenance is simple.
Solar cross season provided by the invention accumulation of energy heating combined refrigeration system and using method thereof, described solar cross season accumulation of energy heating combined 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, 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 pass through pipeline, valve body, circulating pump links together, inside, described underground heat storage layering pond is provided with deflector, underground heat storage layering pond is divided into high-temperature region and low-temperature space by deflector, solar thermal collector hot water outlet is connected with high-temperature region, underground heat storage layering pond by pipeline, solar thermal collector cooling water inlet passes through pipeline, solar heat water-circulating pump connects underground heat storage layering pond low-temperature space, form accumulation of heat peripheral passage, described underground heat storage layering pond connects into closed circuit by pipeline, valve body, circulating pump and plate type heat exchanger, and plate type heat exchanger connects into closed circuit by pipeline, valve body, circulating pump and air conditioning terminal fan coil, described underground heat storage layering pond connects into closed circuit by pipeline, valve body, circulating pump and water source heat pump units, and described water source heat pump units connects into closed circuit by pipeline, valve body, circulating pump and air conditioning terminal fan coil, described cooling tower connects into closed circuit by pipeline, valve body, circulating pump and water source heat pump units, described water source heat pump units connects into closed circuit by pipeline, valve body, circulating pump and air conditioning terminal fan coil, these two closed circuit composition kind of refrigeration cycle paths, 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, and wherein high-temperature region, underground heat storage layering pond, motor-driven valve II, heat source side circulating pump, motor-driven valve V, plate type heat exchanger, motor-driven valve I, underground heat storage layering pond low-temperature space are in turn connected into closed circuit, high-temperature region, described underground heat storage layering pond, motor-driven valve II, heat source side circulating pump, motor-driven valve III, water source heat pump units evaporimeter, motor-driven valve IV, motor-driven valve I, underground heat storage layering pond low-temperature space are in turn connected into closed circuit, and described water source heat pump units leaving condenser water mouth, motor-driven valve VII, air conditioning terminal fan coil, use side circulating pump, motor-driven valve VI, water source heat pump units condenser water inlet connect into closed circuit, described cooling tower, water source heat pump units, air conditioning terminal fan coil passes through pipeline, valve body, circulating pump connects and composes refrigeration system, cooling tower delivery port, motor-driven valve Ⅸ, heat source side circulating pump, motor-driven valve Ⅺ, water source heat pump units condenser, motor-driven valve Ⅻ, motor-driven valve Ⅹ, cooling tower water inlet is in turn connected into closed circuit, described water source heat pump units evaporimeter delivery port, motor-driven valve Ⅹ IV, air conditioning terminal fan unit, use side circulating pump, motor-driven valve Ⅹ III, water source heat pump units evaporimeter water inlet is in turn connected into closed circuit, these two closed circuit composition kind of refrigeration cycle paths.
The using method of solar cross season accumulation of energy heating combined refrigeration system is as follows:
One, heating: underground heat storage layering pond is run, solar thermal collector is to underground heat storage layering pond conveying hot water, during water temperature >=90 DEG C, high-temperature region, underground heat storage layering pond, heat source side circulating pump, use side circulating pump, motor-driven valve VIII, motor-driven valve V, motor-driven valve II, motor-driven valve I is opened, hot water is by the high-temperature region in underground heat storage layering pond, through motor-driven valve II, heat source side circulating pump, the heat source side of motor-driven valve V and plate type heat exchanger carries out heat exchange, be transmitted back to the low-temperature space in underground heat storage layering pond through motor-driven valve I after heat exchange, heated by solar thermal collector again, the backwater of air conditioning terminal fan coil extracts by using side circulating pump, carry through the use side of motor-driven valve VIII to plate type heat exchanger, hot water effluent's temperature of the use side of plate type heat exchanger is received from dynamic control signal by motor-driven valve V, leaving water temperature >=45 DEG C, use side of accurate control plate type heat exchanger, after carrying out heat exchange, 45 DEG C of hot water enter air conditioning terminal fan coil, to room distribute heat, reach heating requirement, when water temperature≤40 DEG C, high-temperature region, underground heat storage layering pond, water source heat pump units, heat source side circulating pump, use side circulating pump, motor-driven valve VI, motor-driven valve VII, motor-driven valve IV, motor-driven valve III, motor-driven valve II, 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 motor-driven valve II, heat source side circulating pump, motor-driven valve III enters source pump evaporimeter, again through motor-driven valve IV after evaporimeter heat release, motor-driven valve I is transmitted back to the low-temperature space in underground heat storage layering pond, heated by solar thermal collector again, the backwater of air conditioning terminal fan coil extracts through using side circulating pump, enter source pump condenser through motor-driven valve VI to absorb heat, after heat absorption, hot water enters air conditioning terminal fan coil through motor-driven valve VII, to room distribute heat, reach heating requirement,
Two, refrigeration: open water source heat pump units, air conditioning terminal fan coil, cooling tower, heat source side circulating pump, use side circulating pump, motor-driven valve Ⅹ III, motor-driven valve Ⅹ IV, motor-driven valve Ⅻ, motor-driven valve Ⅺ, motor-driven valve Ⅸ, motor-driven valve Ⅹ, other motor-driven valves cut out, cooling water is through motor-driven valve Ⅸ, heat source side circulating pump, motor-driven valve Ⅺ enters source pump condenser, again through motor-driven valve Ⅻ after condenser heat absorption, motor-driven valve Ⅹ is delivered to cooling tower and cools, again through motor-driven valve Ⅸ after cooling, heat source side circulating pump, motor-driven valve Ⅺ enters source pump condenser and completes a condensation process, the backwater of air conditioning terminal fan coil extracts through using side circulating pump, and enter source pump evaporimeter through motor-driven valve Ⅹ III and carry out heat release, after heat release, cold water enters air conditioning terminal fan coil through motor-driven valve Ⅹ IV, distributes cold to room, reaches refrigeration requirement,
Three, antifreeze circulation: solar heat water-circulating pump is opened, the water of underground heat storage layering pond low-temperature space through solar heat water-circulating pump, solar thermal collector, after flow underground heat storage layering pond, complete an antifreeze circulation;
Four, non-heating season accumulation of heat circulation: solar heat water-circulating pump is opened, the water of underground heat storage layering pond low-temperature space is through solar heat water-circulating pump, and hot water completes an accumulation of heat by inflow high-temperature region, underground heat storage layering pond after solar thermal collector generation and circulates.
Solar cross season provided by the invention accumulation of energy heating combined refrigeration system and using method thereof, its beneficial effect is, heat storage efficiency is high, heat exchange property good, operation maintenance is simple; Substitute conventional fossil fuel with solar energy and provide thermal source for room heating, to environmental protection, there is positive role; Used 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.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of one embodiment of the invention;
Fig. 2 is that heat-storage heating system runs schematic diagram;
Fig. 3 is that refrigeration system runs schematic diagram.
Mark in 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 side circulating pump; 10. motor-driven valve Ⅹ III; 11. motor-driven valves VI; 12. motor-driven valves Ⅹ IV; 13. motor-driven valves VII; 14. motor-driven valves VIII; 15. motor-driven valves V; 16. motor-driven valves Ⅻ; 17. motor-driven valves IV; 18. motor-driven valves Ⅺ; 19. motor-driven valves III; 20. motor-driven valves Ⅸ; 21. motor-driven valves II; 22. motor-driven valves Ⅹ; 23. motor-driven valves I; 24. pipelines; 25. low-temperature spaces; 26. high-temperature regions; 27. deflectors.
Detailed description of the invention
With reference to the accompanying drawings, in conjunction with an embodiment, to solar cross season provided by the invention accumulation of energy heating combined refrigeration system and using method be described in detail.
Embodiment
With reference to Fig. 1-Fig. 3, the solar cross season accumulation of energy heating combined refrigeration system and using method thereof of the present embodiment, described solar cross season accumulation of energy heating combined 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 are linked 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 underground heat storage layering pond is divided into high-temperature region 26 and low-temperature space 25 by deflector.
One, heating: underground heat storage layering pond 3 is run, solar thermal collector 1 carries hot water to underground heat storage layering pond 3, when high-temperature region, underground heat storage layering pond 3 water temperature reaches 90 DEG C, 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 carries out heat exchange, be transmitted back to the low-temperature space in underground heat storage layering pond through motor-driven valve I 23 after heat exchange, heated by solar thermal collector 1 again, the backwater of air conditioning terminal fan coil 5 extracts by using side circulating pump 9, carry through the use side of motor-driven valve VIII 14 to plate type heat exchanger 7, 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, the use side leaving water temperature of accurate control plate type heat exchanger is not less than 45 DEG C, after carrying out heat exchange, 45 DEG C of hot water enter air conditioning terminal fan coil 5, to room distribute heat, reach heating requirement, when high-temperature region, underground heat storage layering pond water temperature is 40 DEG C, 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, motor-driven valve III enters source pump evaporimeter, again through motor-driven valve IV after evaporimeter heat release, motor-driven valve I 23 is transmitted back to the low-temperature space in underground heat storage layering pond, heated by solar thermal collector 1 again, the backwater of air conditioning terminal fan coil 5 extracts through using side circulating pump 8, enter source pump condenser through motor-driven valve VI 11 to absorb heat, after heat absorption, hot water enters air conditioning terminal fan coil 5 through motor-driven valve VII 13, to room distribute heat, reach 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 source pump condenser, again through motor-driven valve Ⅻ 16 after condenser heat absorption, motor-driven valve Ⅹ 22 is delivered to cooling tower and cools, again through motor-driven valve Ⅸ 20 after cooling, heat source side circulating pump 8, motor-driven valve Ⅺ 18 enters source pump condenser and completes a condensation process, the backwater of air conditioning terminal fan coil extracts through using side circulating pump, and enter source pump evaporimeter through motor-driven valve Ⅹ III 10 and carry out heat release, after heat release, cold water enters air conditioning terminal fan coil 5 through motor-driven valve Ⅹ IV 12, distributes cold to room, reaches refrigeration requirement,
Three, antifreeze circulation: solar heat water-circulating pump 2 is opened, the water of underground heat storage layering pond low-temperature space through solar heat water-circulating pump, solar thermal collector, after flow underground heat storage layering pond, complete an antifreeze circulation;
Four, non-heating season accumulation of heat circulation: solar heat water-circulating pump 2 is opened, the water of underground heat storage layering pond low-temperature space is through solar heat water-circulating pump, and hot water flows into high-temperature region, underground heat storage layering pond and completes an accumulation of heat circulation after being produced by solar thermal collector.
Claims (3)
1. a solar cross season accumulation of energy heating combined 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, 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 pass through pipeline, valve body, circulating pump links together, inside, described underground heat storage layering pond is provided with deflector, underground heat storage layering pond is divided into high-temperature region and low-temperature space by deflector, solar thermal collector hot water outlet is connected with high-temperature region, underground heat storage layering pond by pipeline, solar thermal collector cooling water inlet passes through pipeline, solar heat water-circulating pump connects underground heat storage layering pond low-temperature space, form accumulation of heat peripheral passage, described underground heat storage layering pond connects into closed circuit by pipeline, valve body, circulating pump and plate type heat exchanger, and plate type heat exchanger connects into closed circuit by pipeline, valve body, circulating pump and air conditioning terminal fan coil, described underground heat storage layering pond connects into closed circuit by pipeline, valve body, circulating pump and water source heat pump units, and described water source heat pump units connects into closed circuit by pipeline, valve body, circulating pump and air conditioning terminal fan coil, described cooling tower connects into closed circuit by pipeline, valve body, circulating pump and water source heat pump units, described water source heat pump units connects into closed circuit by pipeline, valve body, circulating pump and air conditioning terminal fan coil, these two closed circuit composition kind of refrigeration cycle paths.
2. solar cross season accumulation of energy heating combined refrigeration system according to claim 1, 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, wherein high-temperature region, underground heat storage layering pond, motor-driven valve II, heat source side circulating pump, motor-driven valve V, plate type heat exchanger, motor-driven valve I, underground heat storage layering pond low-temperature space are in turn connected into closed circuit, high-temperature region, described underground heat storage layering pond, motor-driven valve II, heat source side circulating pump, motor-driven valve III, water source heat pump units evaporimeter, motor-driven valve IV, motor-driven valve I, underground heat storage layering pond low-temperature space are in turn connected into closed circuit, and described water source heat pump units leaving condenser water mouth, motor-driven valve VII, air conditioning terminal fan coil, use side circulating pump, motor-driven valve VI, water source heat pump units condenser water inlet connect into closed circuit, described cooling tower, water source heat pump units, air conditioning terminal fan coil passes through pipeline, valve body, circulating pump connects and composes refrigeration system, cooling tower delivery port, motor-driven valve Ⅸ, heat source side circulating pump, motor-driven valve Ⅺ, water source heat pump units condenser, motor-driven valve Ⅻ, motor-driven valve Ⅹ, cooling tower water inlet is in turn connected into closed circuit, described water source heat pump units evaporimeter delivery port, motor-driven valve Ⅹ IV, air conditioning terminal fan unit, use side circulating pump, motor-driven valve Ⅹ III, water source heat pump units evaporimeter water inlet is in turn connected into closed circuit, these two closed circuit composition kind of refrigeration cycle paths.
3. the using method of a solar cross season accumulation of energy heating combined refrigeration system, it is characterized in that: one, heating: underground heat storage layering pond is run, solar thermal collector is to underground heat storage layering pond conveying hot water, during water temperature >=90 DEG C, high-temperature region, underground heat storage layering pond, heat source side circulating pump, use side circulating pump, motor-driven valve VIII, motor-driven valve V, motor-driven valve II, motor-driven valve I is opened, hot water is by the high-temperature region in underground heat storage layering pond, through motor-driven valve II, heat source side circulating pump, the heat source side of motor-driven valve V and plate type heat exchanger carries out heat exchange, be transmitted back to the low-temperature space in underground heat storage layering pond through motor-driven valve I after heat exchange, heated by solar thermal collector again, the backwater of air conditioning terminal fan coil extracts by using side circulating pump, carry through the use side of motor-driven valve VIII to plate type heat exchanger, hot water effluent's temperature of the use side of plate type heat exchanger is received from dynamic control signal by motor-driven valve V, leaving water temperature >=45 DEG C, use side of accurate control plate type heat exchanger, after carrying out heat exchange, 45 DEG C of hot water enter air conditioning terminal fan coil, to room distribute heat, reach heating requirement, when water temperature≤40 DEG C, high-temperature region, underground heat storage layering pond, water source heat pump units, heat source side circulating pump, use side circulating pump, motor-driven valve VI, motor-driven valve VII, motor-driven valve IV, motor-driven valve III, motor-driven valve II, 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 motor-driven valve II, heat source side circulating pump, motor-driven valve III enters source pump evaporimeter, again through motor-driven valve IV after evaporimeter heat release, motor-driven valve I is transmitted back to the low-temperature space in underground heat storage layering pond, heated by solar thermal collector again, the backwater of air conditioning terminal fan coil extracts through using side circulating pump, enter source pump condenser through motor-driven valve VI to absorb heat, after heat absorption, hot water enters air conditioning terminal fan coil through motor-driven valve VII, to room distribute heat, reach heating requirement,
Two, refrigeration: open water source heat pump units, air conditioning terminal fan coil, cooling tower, heat source side circulating pump, use side circulating pump, motor-driven valve Ⅹ III, motor-driven valve Ⅹ IV, motor-driven valve Ⅻ, motor-driven valve Ⅺ, motor-driven valve Ⅸ, motor-driven valve Ⅹ, other motor-driven valves cut out, cooling water is through motor-driven valve Ⅸ, heat source side circulating pump, motor-driven valve Ⅺ enters source pump condenser, again through motor-driven valve Ⅻ after condenser heat absorption, motor-driven valve Ⅹ is delivered to cooling tower and cools, again through motor-driven valve Ⅸ after cooling, heat source side circulating pump, motor-driven valve Ⅺ enters source pump condenser and completes a condensation process, the backwater of air conditioning terminal fan coil extracts through using side circulating pump, and enter source pump evaporimeter through motor-driven valve Ⅹ III and carry out heat release, after heat release, cold water enters air conditioning terminal fan coil through motor-driven valve Ⅹ IV, distributes cold to room, reaches refrigeration requirement,
Three, antifreeze circulation: solar heat water-circulating pump is opened, the water of underground heat storage layering pond low-temperature space through solar heat water-circulating pump, solar thermal collector, after flow underground heat storage layering pond, complete an antifreeze circulation;
Four, non-heating season accumulation of heat circulation: solar heat water-circulating pump is opened, the water of underground heat storage layering pond low-temperature space is through solar heat water-circulating pump, and hot water completes an accumulation of heat by inflow high-temperature region, underground heat storage layering pond after solar thermal collector generation and circulates.
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| CN104567092B (en) * | 2014-10-22 | 2017-08-25 | 南京溧马新能源科技有限公司 | A kind of across season energy storage type cooling and heating installation and control method |
| CN109539374B (en) * | 2018-12-21 | 2023-10-03 | 北京中安金圣科技有限公司 | Solar energy-heat pump coupling heat supply system and operation method |
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