CN102997495A - Tri-generation system of ground-source heat pump and control method thereof - Google Patents

Tri-generation system of ground-source heat pump and control method thereof Download PDF

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Publication number
CN102997495A
CN102997495A CN2012105418683A CN201210541868A CN102997495A CN 102997495 A CN102997495 A CN 102997495A CN 2012105418683 A CN2012105418683 A CN 2012105418683A CN 201210541868 A CN201210541868 A CN 201210541868A CN 102997495 A CN102997495 A CN 102997495A
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heat
water
air
control valve
source heat
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蒋海洋
张明军
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ANHUI RIYUAN ENVIRONMENTAL PROTECTION ENERGY TECHNOLOGY Co Ltd
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ANHUI RIYUAN ENVIRONMENTAL PROTECTION ENERGY TECHNOLOGY Co Ltd
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Priority to CN2012105418683A priority Critical patent/CN102997495A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency

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Abstract

The invention discloses a tri-generation system of a ground-source heat pump and a control method thereof. The tri-generation system of the ground-source heat pump comprises an air conditioner tail end, a ground-source heat exchange system, a heat recycling type water source heat pump unit, an air conditioner water source heat pump set, an outdoor swimming pool, a pipeline for connecting the devices, eight control valves and five linkage valves which are arranged on the pipeline. The tri-generation system of the ground-source heat pump has a simple structure, can open and close the corresponding control valves and linkage valves according to different seasons to realize the relevant functional application, so that the tri-generation system can recycle waste heat to prepare domestic hot water while refrigerating in summer, can supply heat to prepare domestic hot water in winter, and can prepare the domestic hot water in spring and autumn for greatly saving installed capacity of the equipment and radiating without the aid of a cooling tower system. The tri-generation system is energy-saving and environment-friendly, and can be extensively applied to the places such as inns, hotels, hospitals, houses, businesses and the like.

Description

Earth source heat pump combined supply system and control method thereof
 
Technical field
The present invention relates to the earth-source hot-pump system field, specifically a kind of earth source heat pump combined supply system and control method thereof.
Background technology
Existing earth-source hot-pump system common configuration two cover source pump, one cover is special idle call unit, one cover is special hot water unit, generally two cover systems are fully independent, refrigeration duty now is significantly higher than the building of thermic load, adopt the cooling tower auxiliary cooling in the part situation, but such system Shortcomings still: one, the supplying hot water unit does not participate in cooling heating work the whole year, obviously relatively wastes at aspects such as system configuration and pipe laying quantity; Two, cooling tower auxiliary heat dissipation easily produces noise and tropical island effect, and not attractive in appearance; The three in commercial contour level building, installs cooling tower without correct position.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of earth source heat pump combined supply system and control method thereof, fully carry out cooling, supply warm supplying hot water in conjunction with ground source heat, and carry out auxiliary heat dissipation by the outer open-air swimming pool of building, guarantee that temperature control and the structure of hot water supply arranges rationally.
Technical scheme of the present invention is:
The earth source heat pump combined supply system, include air conditioning terminal, reclaiming type water source heat pump units, air-conditioning water source heat pump units, water source heat pump units domestic hot-water's case, open-air swimming pool, connect above equipment pipeline, be arranged at a plurality of control valves and a plurality of interstage valve on the pipeline.
Described air conditioning terminal and Air-conditioning Cycle water pump, the first control valve, the 4th interstage valve, air-conditioning water source heat pump units heat end, the 3rd control valve circulates successively and is connected; Described air conditioning terminal circulates successively with refrigeration end, the 4th control valve of Air-conditioning Cycle water pump, the second control valve, the first interstage valve, heat recovery type water source heat pump unit and is connected; Described air conditioning terminal circulates successively with refrigeration end, the 4th control valve of Air-conditioning Cycle water pump, the second control valve, the 3rd interstage valve, air-conditioning water source heat pump units and is connected;
Source, described ground heat-exchange system and source, ground water circulating pump, the 5th control valve, the 4th interstage valve, air-conditioning water source heat pump units heat end, the 7th control valve circulates successively and is connected; Source, described ground heat-exchange system circulates successively with refrigeration end, the 8th control valve of source, ground water circulating pump, the 6th control valve, the first interstage valve, heat recovery type water source heat pump unit and is connected; Source, described ground heat-exchange system circulates successively with refrigeration end, the 8th control valve of source, ground water circulating pump, the 6th control valve, the 3rd interstage valve, air-conditioning water source heat pump units and is connected;
Described domestic hot-water's case and domestic hot-water's water circulating pump, heat recovery type water source heat pump unit heat end, the 5th interstage valve circulates successively and is connected;
Described open-air swimming pool, swimming pool water circulating pump, the second interstage valve, heat recovery type water source heat pump unit heat the end connection that circulates successively.
Described heat recovery type water source heat pump unit is including the first compressor, the first condenser, first throttle device, the first evaporimeter and heat recovering heat exchanger, the connection that circulates successively of described the first compressor, the first condenser, first throttle device and the evaporimeter of being connected, described the first compressor, heat recovering heat exchanger, first throttle device and the evaporimeter of the being connected connection that circulates successively; Described domestic hot-water's case circulates successively with domestic hot-water's water circulating pump, heat recovering heat exchanger, the 5th interstage valve and is connected; The connection that circulates successively of described open-air swimming pool, swimming pool water circulating pump, the second interstage valve, the first condenser; Described the first evaporimeter is as the refrigeration end of heat recovery type water source heat pump unit.
Described air-conditioning water source heat pump units comprises the second compressor, the second condenser, the second throttling arrangement and the second evaporimeter that successively circulation connects, the second condenser is as the end that heats of air-conditioning water source heat pump units, and the second evaporimeter is as the refrigeration end of air-conditioning water source heat pump units.
Be connected in feed pipe on described domestic hot-water's case.
The control method of earth source heat pump combined supply system comprises following control mode:
(1), the heat recovery type water source heat pump unit is to the air conditioning terminal refrigeration mode:
Open heat recovery type water source heat pump unit, Air-conditioning Cycle water pump, swimming pool water circulating pump, the second control valve, the 4th control valve, the first interstage valve and the second interstage valve; At first air conditioning terminal will be with the refrigerating medium of heat through Air-conditioning Cycle water pump, the second control valve, the first interstage valve the first evaporimeter with heat transferred heat recovery type water source heat pump unit, and with the heat recovery type water source heat pump unit in the cold-producing medium heat exchange, then through heat transferred first condenser of heat recovery type water source heat pump unit internal refrigeration storage circulation with the first evaporimeter, the refrigerating medium of lowering the temperature after the first evaporimeter heat exchange is passed air conditioning terminal back through the 4th control valve more successively, simultaneously with the first condenser heat exchange after swimming-pool water be transferred in the open-air swimming pool;
(2), the air-conditioning water source heat pump units is to the air conditioning terminal refrigeration mode:
Open air-conditioning water source heat pump units, Air-conditioning Cycle water pump, source water circulating pump, the second control valve, the 4th control valve, the 5th control valve, the 7th control valve, the 3rd interstage valve and the 4th interstage valve; At first air conditioning terminal will be with the refrigerating medium of heat through the Air-conditioning Cycle water pump, the second control valve, the 3rd interstage valve is with the second evaporimeter of heat transferred water source heat pump units, and with the air-conditioning water source heat pump units in the cold-producing medium heat exchange, then through heat transferred second condenser of air-conditioning water source heat pump units internal refrigeration storage circulation with the second evaporimeter, the refrigerating medium of lowering the temperature after the second evaporimeter heat exchange is passed air conditioning terminal back through the 4th control valve more successively, simultaneously successively by source, ground water circulating pump, the 5th control valve, the 4th interstage valve enters the GEOTHERMAL WATER that heats up after the second condenser and the second condenser heat exchange and transfers back in the heat-exchange system of source, ground through the 7th control valve;
(3), the heat recovery type water source heat pump unit is to the air conditioning terminal refrigeration hot water preparation mode of holding concurrently:
Open heat recovery type water source heat pump unit, Air-conditioning Cycle water pump, domestic hot-water's water circulating pump, the second control valve, the 4th control valve, the first interstage valve and the 5th interstage valve; At first air conditioning terminal is will be with the refrigerating medium of heat through the Air-conditioning Cycle water pump, the second control valve, the first interstage valve is with the first evaporimeter of heat transferred heat recovery type water source heat pump unit, and with the heat recovery type water source heat pump unit in the cold-producing medium heat exchange, then through the heat transferred heat recovering heat exchanger of heat recovery type water source heat pump unit internal refrigeration storage circulation with the first evaporimeter, the refrigerating medium of lowering the temperature after the first evaporimeter heat exchange is passed air conditioning terminal back through the 4th control valve more successively, simultaneously by domestic hot-water's water circulating pump enter heat recovering heat exchanger and with the heat recovering heat exchanger heat exchange after the hot water that heats up transfer back in domestic hot-water's case through the 5th interstage valve again;
(4), source heat-exchange system/air-conditioning water source heat pump units is to the air conditioning and heating pattern:
Open the air-conditioning water source heat pump units, source water circulating pump, Air-conditioning Cycle water pump, the first control valve, the 3rd control valve, the 6th control valve, the 8th control valve, the 3rd interstage valve and the 4th interstage valve; Primarily in the heat-exchange system of source with the GEOTHERMAL WATER of heat successively through source, ground water circulating pump, the 6th control valve, the 3rd interstage valve passes to the second evaporimeter, and with the air-conditioning water source heat pump units in the cold-producing medium heat exchange, then through heat transferred second condenser of air-conditioning water source heat pump units internal refrigeration storage circulation with the second evaporimeter, the GEOTHERMAL WATER of lowering the temperature after the second evaporimeter heat exchange is passed back in the heat-exchange system of source, ground through the 8th control valve again, simultaneously successively by the Air-conditioning Cycle water pump, the first control valve, the 4th interstage valve enters the refrigerating medium that heats up after the second condenser and the second condenser heat exchange and transfers back to air conditioning terminal through the 3rd control valve again, heats;
(5), source heat-exchange system/heat recovery type water source heat pump unit hot water preparation mode:
Open the heat recovery type water source heat pump unit, source water circulating pump, domestic hot-water's water circulating pump, the 6th control valve, the 8th control valve, the first interstage valve and the 5th interstage valve; Primarily in the heat-exchange system of source with the GEOTHERMAL WATER of heat successively through the 6th control valve, the first interstage valve passes to the first evaporimeter, and with the heat recovery type water source heat pump unit in the cold-producing medium heat exchange, then through the heat transferred heat recovering heat exchanger of heat recovery type water source heat pump unit internal refrigeration storage circulation with the first evaporimeter, the GEOTHERMAL WATER of lowering the temperature after the first evaporimeter heat exchange is passed back in the ground source heat-exchange system through the 8th control valve again, simultaneously by domestic hot-water's water circulating pump enter heat recovering heat exchanger and with the heat recovering heat exchanger heat exchange after the hot water that heats up transfer back in domestic hot-water's case through the 5th interstage valve again.
Also include hot water preparation and heating mixed mode, be about to step (4) and step (5) and open simultaneously the control use.
Advantage of the present invention:
(1), structure of the present invention arranges rationally, integrate air conditioner refrigerating, for warm three kinds of functions of supplying hot water, take full advantage of water source heat pump units in combination heat energy take full advantage of geothermal energy for the building cooling, for warm supplying hot water, reduced the energy consumption of air-conditioning and supplying hot water, energy-conserving and environment-protective;
(2), because the water temperature in the boiler needs the artificial serviceability temperature of basis to arrange, the heat energy that produces after not all geothermal source and the water source heat pump units work can utilize, so the present invention adopts open-air swimming pool as the natural cold source of heat radiation in summer, guaranteed the temperature of system's supplying hot water, and waste heat discharge is rational in infrastructure, easily arranges.
The present invention is simple in structure, can open and close according to different seasons corresponding control valve and interstage valve, realize relevant function utilization, guaranteed that the present invention can freeze in summer, in refrigeration, can reclaim used heat and prepare the domestic hot-water, can heat winter, can prepare the domestic hot-water winter, spring and autumn can prepare the domestic hot-water, save to greatest extent the equipment installed capacity, need not the cooling tower systems auxiliary heat dissipation, energy-conserving and environment-protective, the places such as extensive use and hotel, hotel, hospital, dwelling house, commerce.
Description of drawings
Fig. 1 is structural representation of the present invention, wherein, 1-air conditioning terminal, 2-domestic hot-water case, 3-domestic hot-water water circulating pump, 4-Air-conditioning Cycle water pump, 5-the first control valve, 6-the second control valve, 7-the 3rd control valve, 8-the 4th control valve, 9-the 5th control valve, 10-the 6th control valve, 11-the 7th control valve, 12-the 8th control valve, 13-the first interstage valve, 14-the second interstage valve, 15-the 3rd interstage valve, 16-the 4th interstage valve, 17-the 5th interstage valve, 18-heat recovery type water source heat pump unit, the 19-heat recovering heat exchanger, 20-the first evaporimeter, 21-the first condenser, 22-air-conditioning water source heat pump units, 23-the second evaporimeter, 24-the second condenser, source, 25-ground water circulating pump, source, 26-ground heat-exchange system, 27-the first compressor, 28-first throttle device, 29-the second compressor, 30-the second throttling arrangement, 31-swimming pool water circulating pump, the open-air swimming pool of 32-.
Fig. 2 is the structural representation of heat recovery type water source heat pump unit of the present invention.
Fig. 3 is the structural representation of air-conditioning water source heat pump units of the present invention.
The specific embodiment
One, sees Fig. 1, the earth source heat pump combined supply system, include air conditioning terminal 1, source heat-exchange system 26, heat recovery type water source heat pump unit 18, air-conditioning water source heat pump units 22, domestic hot-water's case 2, open-air swimming pool 32, connect above equipment pipeline, be arranged at eight control valves and five interstage valves on the pipeline;
See Fig. 2, heat recovery type water source heat pump unit 18 is including the first compressor 27, the first condenser 21, first throttle device 28, the first evaporimeter 20 and heat recovering heat exchanger 19, the connection that circulates successively of the first compressor 27, the first condenser 21, first throttle device 28 and the evaporimeter 20 of being connected, the first compressor 27, heat recovering heat exchanger 19, first throttle device 28 and the evaporimeter 20 of the being connected connection that circulates successively;
See Fig. 3, air-conditioning water source heat pump units 22 comprises the second compressor 29, the second condenser 24, the second throttling arrangement 30 and the second evaporimeter 23 that successively circulation connects,
See Fig. 1, air conditioning terminal 1 circulates successively with Air-conditioning Cycle water pump 4, the first control valve 5, the 4th interstage valve 16, the second condenser 24, the 3rd control valve 7 and is connected; Air conditioning terminal 1 circulates successively with Air-conditioning Cycle water pump 4, the second control valve 6, the first interstage valve 13, the first evaporimeter 20, the 4th control valve 8 and is connected; Air conditioning terminal 1 circulates successively with Air-conditioning Cycle water pump 4, the second control valve 6, the 3rd interstage valve 15, the second evaporimeter 23, the 4th control valve 8 and is connected;
See Fig. 1, source, ground heat-exchange system 26 circulates successively with source, ground water circulating pump 25, the 5th control valve 9, the 4th interstage valve 16, the second condenser 24, the 7th control valve 11 and is connected; Source, ground heat-exchange system 26 circulates successively with source, ground water circulating pump 25, the 6th control valve 10, the first interstage valve 13, the first evaporimeter 20, the 8th control valve 12 and is connected; Source, ground heat-exchange system 26 circulates successively with source, ground water circulating pump 25, the 6th control valve 10, the 3rd interstage valve 15, the second evaporimeter 23, the 8th control valve 12 and is connected;
See Fig. 1, domestic hot-water's case 2 circulates successively with domestic hot-water's water circulating pump 3, heat recovering heat exchanger 19, the 5th interstage valve 17 and is connected, and is connected in feed pipe 33 on domestic hot-water's case 2;
See Fig. 1, the connection that circulates successively of open-air swimming pool 32, swimming pool water circulating pump 31, the second interstage valve 14, the first condenser 21.
Two, see Fig. 1, the control method of earth source heat pump combined supply system comprises following control mode:
(1), the heat recovery type water source heat pump unit is to the air conditioning terminal refrigeration mode:
Open heat recovery type water source heat pump unit 18, Air-conditioning Cycle water pump 4, swimming pool water circulating pump 31, the second control valve 6, the 4th control valve 8, the first interstage valve 13 and the second interstage valve 14; At first air conditioning terminal 1 will be with the refrigerating medium of heat through Air-conditioning Cycle water pump 4, the second control valve 6, the first interstage valve 13 is with the first evaporimeter 20 of heat transferred heat recovery type water source heat pump unit 18, and with heat recovery type water source heat pump unit 18 in the cold-producing medium heat exchange, then through heat transferred first condenser 21 of heat recovery type water source heat pump unit 18 internal refrigeration storage circulation with the first evaporimeter 20, the refrigerating medium of lowering the temperature after 20 heat exchange of the first evaporimeter is passed air conditioning terminal 1 back through the 4th control valve 8 more successively, simultaneously with 21 heat exchange of the first condenser after swimming-pool water be transferred in the open-air swimming pool 32; The kind of refrigeration cycle that is air conditioning terminal 1 is: 1 → 4 → 6 → 13 → 20 → 8 → 1; The internal refrigeration storage circulation of heat recovery type water source heat pump unit 18 is: 27 → 21 → 28 → 20; The heat exchange circulation of open-air swimming pool is: 32 → 31 → 14 → 21 → 32;
(2), the air-conditioning water source heat pump units is to the air conditioning terminal refrigeration mode:
Open air-conditioning water source heat pump units 22, Air-conditioning Cycle water pump 4, source water circulating pump 25, the second control valve 6, the 4th control valve 8, the 5th control valve 9, the 7th control valve 11, the 3rd interstage valve 15 and the 4th interstage valve 16; At first air conditioning terminal 1 will be with the refrigerating medium of heat through Air-conditioning Cycle water pump 4, the second control valve 6, the 3rd interstage valve 15 is with the second evaporimeter 23 of heat transferred water source heat pump units, and with air-conditioning water source heat pump units 22 in the cold-producing medium heat exchange, then through heat transferred second condenser 24 of air-conditioning water source heat pump units 22 internal refrigeration storage circulation with the second evaporimeter 23, the refrigerating medium of lowering the temperature after 23 heat exchange of the second evaporimeter is passed air conditioning terminal 1 back through the 4th control valve 8 more successively, simultaneously successively by source, ground water circulating pump 25, the 5th control valve 9, the 4th interstage valve 16 enters the GEOTHERMAL WATER that heats up after the second condenser 24 and 24 heat exchange of the second condenser and transfers back in source, the ground heat-exchange system 26 through the 7th control valve 11; The kind of refrigeration cycle that is air conditioning terminal 1 is: 1 → 4 → 6 → 15 → 23 → 8 → 1; The internal refrigeration storage circulation of air-conditioning water source heat pump units 22 is: 29 → 24 → 30 → 23; The kind of refrigeration cycle of ground source is: 26 → 25 → 9 → 16 → 24 → 11 → 26;
(3), the heat recovery type water source heat pump unit is to the air conditioning terminal refrigeration hot water preparation mode of holding concurrently:
Open heat recovery type water source heat pump unit 18, Air-conditioning Cycle water pump 4, domestic hot-water's water circulating pump 3, the second control valve 6, the 4th control valve 8, the first interstage valve 13 and the 5th interstage valve 17; At first air conditioning terminal 1 is will be with the refrigerating medium of heat through Air-conditioning Cycle water pump 4, the second control valve 6, the first interstage valve 13 is with the first evaporimeter 20 of heat transferred heat recovery type water source heat pump unit 18, and with heat recovery type water source heat pump unit 18 in the cold-producing medium heat exchange, then through the heat transferred heat recovering heat exchanger 19 of heat recovery type water source heat pump unit 18 internal refrigeration storage circulation with the first evaporimeter 20, the refrigerating medium of lowering the temperature after 20 heat exchange of the first evaporimeter is passed air conditioning terminal 1 back through the 4th control valve 8 more successively, simultaneously by domestic hot-water's water circulating pump 3 enter heat recovering heat exchanger 19 and with heat recovering heat exchanger 19 heat exchange after the hot water that heats up transfer back in domestic hot-water's case 2 through the 5th interstage valve 17 again; The kind of refrigeration cycle that is air conditioning terminal 1 is: 1 → 4 → 6 → 13 → 20 → 8 → 1; The internal refrigeration storage circulation of heat recovery type water source heat pump unit 18 is: 27 → 19 → 28 → 20; The heat exchange circulation of domestic hot-water's side is: 2 → 3 → 19 → 17 → 2;
(4), source heat-exchange system/air-conditioning water source heat pump units is to the air conditioning and heating pattern:
Open air-conditioning water source heat pump units 22, source water circulating pump 25, Air-conditioning Cycle water pump 4, the first control valve 5, the 3rd control valve 7, the 6th control valve 10, the 8th control valve 12, the 3rd interstage valve 15 and the 4th interstage valve 16; Primarily in the source heat-exchange system 26 with the GEOTHERMAL WATER of heat successively through source, ground water circulating pump 25, the 6th control valve 10, the 3rd interstage valve 15 passes to the second evaporimeter 23, and with air-conditioning water source heat pump units 22 in the cold-producing medium heat exchange, then through heat transferred second condenser 24 of air-conditioning water source heat pump units 22 internal refrigeration storage circulation with the second evaporimeter 23, the GEOTHERMAL WATER of lowering the temperature after 23 heat exchange of the second evaporimeter is passed back in source, the ground heat-exchange system 26 through the 8th control valve 12 again, simultaneously successively by Air-conditioning Cycle water pump 4, the first control valve 5, the 4th interstage valve 16 enters the refrigerating medium that heats up after the second condenser 24 and 24 heat exchange of the second condenser and transfers back to air conditioning terminal 1 through the 3rd control valve 7 again, heats; I.e. the heat exchange of source circulation is: 26 → 25 → 10 → 15 → 23 → 12 → 26; The inside heat pump cycle of air-conditioning water source heat pump units 22 is: 29 → 24 → 30 → 23; The heating circulation of user's side is: 1 → 4 → 5 → 16 → 24 → 7 → 1;
(5), source heat-exchange system/heat recovery type water source heat pump unit hot water preparation mode:
Open heat recovery type water source heat pump unit 18, source water circulating pump 25, domestic hot-water's water circulating pump 3, the 6th control valve 10, the 8th control valve 12, the first interstage valve 13 and the 5th interstage valve 17; Primarily in the source heat-exchange system 26 with the GEOTHERMAL WATER of heat successively through the 6th control valve 10, the first interstage valve 13 passes to the first evaporimeter 20, and with heat recovery type water source heat pump unit 18 in the cold-producing medium heat exchange, then through the heat transferred heat recovering heat exchanger 19 of heat recovery type water source heat pump unit 18 internal refrigeration storage circulation with the first evaporimeter 20, the GEOTHERMAL WATER of lowering the temperature after 20 heat exchange of the first evaporimeter is passed back in the ground source heat-exchange system 26 through the 8th control valve 12 again, simultaneously by domestic hot-water's water circulating pump 3 enter heat recovering heat exchanger 19 and with heat recovering heat exchanger 19 heat exchange after the hot water that heats up transfer back in domestic hot-water's case 2 through the 5th interstage valve 17 again; Namely the kind of refrigeration cycle of source is: 26 → 25 → 10 → 13 → 20 → 12 → 26; The inside heat pump cycle of heat recovery type water source heat pump unit 18 is: 27 → 21 → 28 → 20; The circulation that heats of domestic hot-water's side is: 2 → 3 → 19 → 17 → 2;
(6), hot water preparation and heating mixed mode: step (4) and step (5) are opened the control use simultaneously.

Claims (6)

1. earth source heat pump combined supply system, include air conditioning terminal, source heat-exchange system, water source heat pump units domestic hot-water's case, connect above equipment pipeline, be arranged at a plurality of control valves and a plurality of interstage valve on the pipeline, it is characterized in that: described earth source heat pump combined supply system also includes open-air swimming pool; Described water source heat pump units comprises heat recovery type water source heat pump unit and air-conditioning water source heat pump units;
Described air conditioning terminal and Air-conditioning Cycle water pump, the first control valve, the 4th interstage valve, air-conditioning water source heat pump units heat end, the 3rd control valve circulates successively and is connected; Described air conditioning terminal circulates successively with refrigeration end, the 4th control valve of Air-conditioning Cycle water pump, the second control valve, the first interstage valve, heat recovery type water source heat pump unit and is connected; Described air conditioning terminal circulates successively with refrigeration end, the 4th control valve of Air-conditioning Cycle water pump, the second control valve, the 3rd interstage valve, air-conditioning water source heat pump units and is connected;
Source, described ground heat-exchange system and source, ground water circulating pump, the 5th control valve, the 4th interstage valve, air-conditioning water source heat pump units heat end, the 7th control valve circulates successively and is connected; Source, described ground heat-exchange system circulates successively with refrigeration end, the 8th control valve of source, ground water circulating pump, the 6th control valve, the first interstage valve, heat recovery type water source heat pump unit and is connected; Source, described ground heat-exchange system circulates successively with refrigeration end, the 8th control valve of source, ground water circulating pump, the 6th control valve, the 3rd interstage valve, air-conditioning water source heat pump units and is connected;
Described domestic hot-water's case and domestic hot-water's water circulating pump, heat recovery type water source heat pump unit heat end, the 5th interstage valve circulates successively and is connected;
Described open-air swimming pool, swimming pool water circulating pump, the second interstage valve, heat recovery type water source heat pump unit heat the end connection that circulates successively.
2. earth source heat pump combined supply system according to claim 1, it is characterized in that: described heat recovery type water source heat pump unit is including the first compressor, the first condenser, first throttle device, the first evaporimeter and heat recovering heat exchanger, the connection that circulates successively of described the first compressor, the first condenser, first throttle device and the evaporimeter of being connected, described the first compressor, heat recovering heat exchanger, first throttle device and the evaporimeter of the being connected connection that circulates successively; Described domestic hot-water's case circulates successively with domestic hot-water's water circulating pump, heat recovering heat exchanger, the 5th interstage valve and is connected; The connection that circulates successively of described open-air swimming pool, swimming pool water circulating pump, the second interstage valve, the first condenser; Described the first evaporimeter is as the refrigeration end of heat recovery type water source heat pump unit.
3. earth source heat pump combined supply system according to claim 1, it is characterized in that: described air-conditioning water source heat pump units comprises the second compressor, the second condenser, the second throttling arrangement and the second evaporimeter that successively circulation connects, the second condenser is as the end that heats of air-conditioning water source heat pump units, and the second evaporimeter is as the refrigeration end of air-conditioning water source heat pump units.
4. earth source heat pump combined supply system according to claim 1 is characterized in that: be connected in feed pipe on described domestic hot-water's case.
5. the control method of earth source heat pump combined supply system is characterized in that: comprise following control mode:
(1), the heat recovery type water source heat pump unit is to the air conditioning terminal refrigeration mode:
Open heat recovery type water source heat pump unit, Air-conditioning Cycle water pump, swimming pool water circulating pump, the second control valve, the 4th control valve, the first interstage valve and the second interstage valve; At first air conditioning terminal will be with the refrigerating medium of heat through Air-conditioning Cycle water pump, the second control valve, the first interstage valve the first evaporimeter with heat transferred heat recovery type water source heat pump unit, and with the heat recovery type water source heat pump unit in the cold-producing medium heat exchange, then through heat transferred first condenser of heat recovery type water source heat pump unit internal refrigeration storage circulation with the first evaporimeter, the refrigerating medium of lowering the temperature after the first evaporimeter heat exchange is passed air conditioning terminal back through the 4th control valve more successively, simultaneously with the first condenser heat exchange after swimming-pool water be transferred in the open-air swimming pool;
(2), the air-conditioning water source heat pump units is to the air conditioning terminal refrigeration mode:
Open air-conditioning water source heat pump units, Air-conditioning Cycle water pump, source water circulating pump, the second control valve, the 4th control valve, the 5th control valve, the 7th control valve, the 3rd interstage valve and the 4th interstage valve; At first air conditioning terminal will be with the refrigerating medium of heat through the Air-conditioning Cycle water pump, the second control valve, the 3rd interstage valve is with the second evaporimeter of heat transferred air-conditioning water source heat pump units, and with the air-conditioning water source heat pump units in the cold-producing medium heat exchange, then through heat transferred second condenser of air-conditioning water source heat pump units internal refrigeration storage circulation with the second evaporimeter, the refrigerating medium of lowering the temperature after the second evaporimeter heat exchange is passed air conditioning terminal back through the 4th control valve more successively, simultaneously successively by source, ground water circulating pump, the 5th control valve, the 4th interstage valve enters the GEOTHERMAL WATER that heats up after the second condenser and the second condenser heat exchange and transfers back in the heat-exchange system of source, ground through the 7th control valve;
(3), the heat recovery type water source heat pump unit is to the air conditioning terminal refrigeration hot water preparation mode of holding concurrently:
Open heat recovery type water source heat pump unit, Air-conditioning Cycle water pump, domestic hot-water's water circulating pump, the second control valve, the 4th control valve, the first interstage valve and the 5th interstage valve; At first air conditioning terminal is will be with the refrigerating medium of heat through the Air-conditioning Cycle water pump, the second control valve, the first interstage valve is with the first evaporimeter of heat transferred heat recovery type water source heat pump unit, and with the heat recovery type water source heat pump unit in the cold-producing medium heat exchange, then through the heat transferred heat recovering heat exchanger of heat recovery type water source heat pump unit internal refrigeration storage circulation with the first evaporimeter, the refrigerating medium of lowering the temperature after the first evaporimeter heat exchange is passed air conditioning terminal back through the 4th control valve more successively, simultaneously by domestic hot-water's water circulating pump enter heat recovering heat exchanger and with the heat recovering heat exchanger heat exchange after the hot water that heats up transfer back in domestic hot-water's case through the 5th interstage valve again;
(4), source heat-exchange system/air-conditioning water source heat pump units is to the air conditioning and heating pattern:
Open the air-conditioning water source heat pump units, source water circulating pump, Air-conditioning Cycle water pump, the first control valve, the 3rd control valve, the 6th control valve, the 8th control valve, the 3rd interstage valve and the 4th interstage valve; Primarily in the heat-exchange system of source with the GEOTHERMAL WATER of heat successively through source, ground water circulating pump, the 6th control valve, the 3rd interstage valve passes to the second evaporimeter, and with the air-conditioning water source heat pump units in the cold-producing medium heat exchange, then through heat transferred second condenser of air-conditioning water source heat pump units internal refrigeration storage circulation with the second evaporimeter, the GEOTHERMAL WATER of lowering the temperature after the second evaporimeter heat exchange is passed back in the heat-exchange system of source, ground through the 8th control valve again, simultaneously successively by the Air-conditioning Cycle water pump, the first control valve, the 4th interstage valve enters the refrigerating medium that heats up after the second condenser and the second condenser heat exchange and transfers back to air conditioning terminal through the 3rd control valve again, heats;
(5), source heat-exchange system/heat recovery type water source heat pump unit hot water preparation mode:
Open the heat recovery type water source heat pump unit, source water circulating pump, domestic hot-water's water circulating pump, the 6th control valve, the 8th control valve, the first interstage valve and the 5th interstage valve; Primarily in the heat-exchange system of source with the GEOTHERMAL WATER of heat successively through the 6th control valve, the first interstage valve passes to the first evaporimeter, and with the heat recovery type water source heat pump unit in the cold-producing medium heat exchange, then through the heat transferred heat recovering heat exchanger of heat recovery type water source heat pump unit internal refrigeration storage circulation with the first evaporimeter, the GEOTHERMAL WATER of lowering the temperature after the first evaporimeter heat exchange is passed back in the ground source heat-exchange system through the 8th control valve again, simultaneously by domestic hot-water's water circulating pump enter heat recovering heat exchanger and with the heat recovering heat exchanger heat exchange after the hot water that heats up transfer back in domestic hot-water's case through the 5th interstage valve again.
6. the control method of earth source heat pump combined supply system according to claim 5 is characterized in that: also include hot water preparation and heating mixed mode, be about to step (4) and step (5) and open simultaneously the control use.
CN2012105418683A 2012-12-14 2012-12-14 Tri-generation system of ground-source heat pump and control method thereof Pending CN102997495A (en)

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Application publication date: 20130327