CN201757475U - Buried pipe ground-source heat pump-water energy storage combined architect heating-ventilation air-conditioning system - Google Patents

Buried pipe ground-source heat pump-water energy storage combined architect heating-ventilation air-conditioning system Download PDF

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Publication number
CN201757475U
CN201757475U CN2010205026467U CN201020502646U CN201757475U CN 201757475 U CN201757475 U CN 201757475U CN 2010205026467 U CN2010205026467 U CN 2010205026467U CN 201020502646 U CN201020502646 U CN 201020502646U CN 201757475 U CN201757475 U CN 201757475U
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water
energy
storage
exoergic
conditioning
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CN2010205026467U
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刘冬
何青
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TIANJIN TIANYOU ARCHITECTURAL DESIGN CO Ltd
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TIANJIN TIANYOU ARCHITECTURAL DESIGN CO Ltd
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Abstract

The utility model relates to a buried pipe ground-source heat pump-water energy storage combined architect heating-ventilation air-conditioning system, comprising a room air-conditioning heat exchange system, a water energy-releasing system, a water energy storage system, a compression type heat pump system and a buried pipe circulation system. The technology of combining the buried pipe ground-source heat pump with the water energy storage is used and the water energy storage system combines the energy storage air condition with the time dependent electricity price of the electric power, thereby playing the role of peak clipping, channel filling and network load balancing in the macroscopical way and making the air conditioner user enjoy the policy of the time dependent electricity price, so as to save large amount of operation cost. The system not only lightens the environmental stress due to conventional energy source to make contribute on balancing the network load but also saves the operation cost when performing the policy of the time dependent electricity price, reduces the capacitor of an assembly machine of the heat pump, reduces the space of the outdoor buried pipe and also reduces the whole initial investment for the air conditioning system. The traditional single cold storage way is changed into the summer cold-storage and winter heat-storage double storage way, thus the use time is doubled due to the policy of the time dependent electricity price, so as to furthermore reduce the operation cost of the air conditioner to consistent with the energy-saving policy.

Description

The building heating ventilation air-conditioning system is united in ground pipe laying earth source heat pump-water accumulation of energy
Technical field
The utility model belongs to air-conditioning technical field, and the building heating ventilation air-conditioning system is united in pipe laying earth source heat pump-water accumulation of energy especially a kind ofly.
Background technology
More satisfactory building heating ventilation air-conditioning system generally should satisfy the heating in winter, the demand of summer cooling.For the needs of environmental protection, burning coal boiler room heating is forbidden being provided with in many in recent years northern cities, and traditional central heating haves much room for improvement, and needs the novel building HVAC of other energy of development utilization badly.At present many novel heat pump heating ventilation air-conditioning systems occurred, such as air source heat pump, earth source heat pump, water resource heat pump etc., especially the pipe laying earth-source hot-pump system is also more extensive in the application in northern city.
The water energy accumulating technique is exactly at electric load low night, and electricity consumption drives heat pump the form of cold (heat) amount with cold (heat) water stored.On the daytime of electric power peak period, do not open or drive main frame less, make full use of the night energy stored and carry out cold and heat supply, thereby reach the purpose of electric power peak load shifting.Because power department is implemented tou power price, the operating cost of energy accumulation air conditioner technology is lower than conventional air-conditioning systematic running cost, and the tou power price difference is big more, and the user benefits many more.
Ground pipe laying earth-source hot-pump system, water energy-storage system are adopted on the engineering project at home more widely.But, all have certain limitation as earth-source hot-pump system and water energy-storage system.Though earth-source hot-pump system can provide winter heating and summer cooling simultaneously, but can't play the effect of peak load shifting, in addition, also need to take the outdoor pipe laying of larger area space, therefore on the basis that does not have bigger outdoor pipe laying space, just limited the development of earth-source hot-pump system.And for water energy-storage system, in the application of conventional air-conditioning system,, need to increase an accumulation of energy pond though reduced the investment of refrigeration unit and cooling tower to a certain extent, overall investment for air-conditioning system increases, its economic benefit discount that gets beat up.
If with rational system form jointly pipe laying earth source heat pump and water energy-storage air conditioner system, both can alleviate the environmental pressure that adopts conventional energy resource to bring, for balancing power network load is contributed, when carrying out tou power price, save operating cost simultaneously, reduce the source pump installed capacity, reduce outdoor pipe laying space, can also reduce the whole initial cost of air-conditioning system.
By retrieval, find one piece of publication document relevant: a kind of energy-saving water accumulation of energy geothermal heat pump air-conditioner machine (CN2849601) with present patent application, contact compressor, cross valve, water-cooled condenser, evaporimeter and circulating pump of order in refrigerant circulation line, the chilled water circuit that connects series connection accumulation of energy water tank, fan coil and a chilled water circulating pump outside vaporiser body is in the chilled(cooling) water return (CWR) of the external connection of water-cooled condenser series connection earth source heat pump transducer and cooling water circulating pump.Above-mentioned accumulation of energy water tank can place machine top, roof portion, on the underground or ground level.The accumulation of energy when electric low ebb of this machine, use for peak of power consumption, compare with traditional water resource heat pump machine, installed capacity reduces by 40~50%, and equipment investment reduces by 20%, and a year electricity charge expenditure reduces by 40%, and can when refrigeration, realize recuperation of heat, help energy-conserving and environment-protective, help improving the big city tropical island effect, but what is more important conserve water resource 40~50%.
The disclosure document and present patent application have the big similarities and differences, but help the auditor to contrast examination.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art part, provide a kind of ground pipe laying earth source heat pump-water accumulation of energy to unite the building heating ventilation air-conditioning system, native system organically combines the advantage of ground pipe laying earth source heat pump, water energy-storage air conditioner system, has enlarged the scope of application of the two simultaneously.
The technical solution of the utility model is:
The building heating ventilation air-conditioning system is united in a kind of ground pipe laying earth source heat pump-water accumulation of energy, comprise room air conditioner cycle heat exchange system, water exoergic system, water energy-storage system, the compression type heat pumping system, five subsystems of buried tube circulating system, room air conditioner cycle heat exchange system and water exoergic system are connected the two ends of exoergic heat exchanger respectively, room air conditioner cycle heat exchange system and compression type heat pumping system are connected the two ends of evaporimeter respectively, water exoergic system and water energy-storage system are connected the two ends in accumulation of energy pond respectively, water energy-storage system and compression type heat pumping system are connected the two ends of evaporimeter respectively, and compression type heat pumping system and buried tube circulating system are connected the two ends of condenser respectively.
And the structure of described each system is:
(1) room air conditioner cycle heat exchange system forms closed circuit by evaporimeter or exoergic heat exchanger, water circulating pump, air conditioning terminal;
(2) water exoergic system constitutes closed circuit by accumulation of energy pond, exoergic water pump, exoergic heat exchanger;
(3) water energy-storage system is to constitute closed circuit by evaporimeter, accumulation of energy water pump, accumulation of energy pond;
(4) the compression type heat pumping system is to be constituted refrigeration, heated closed circuit by cross valve, compressor, evaporimeter, expansion valve, condenser;
(5) buried tube circulating system be by the ground pipe laying, source water circulating pump, condenser constitute closed circuit.
Advantage of the present utility model and good effect are:
1, native system utilizes ground pipe laying earth source heat pump and water accumulation of energy technology linked together, wherein water energy-storage system combines the tou power price of energy accumulation air conditioner and electric power, on macroscopic view, can play peak load shifting, the effect of balancing power network load, can make air conditioner user enjoy the tou power price policy on the microcosmic, save a large amount of operating costs thus.
2, native system both can alleviate the environmental pressure that adopts conventional energy resource to bring, for balancing power network load is contributed; When carrying out tou power price, save operating cost simultaneously, reduce the source pump installed capacity, reduce outdoor pipe laying space, can also reduce the whole initial cost of air-conditioning system.
3, the utility model changes the mode of traditional independent cold-storage into cool-storage in summer, accumulation of heat in winter two and holds mode, and is doubled the service time of peak and valley time electricity price, can further reduce the operation of air conditioner expense, meets the policy of national energy-saving and emission-reduction.
Description of drawings
Accompanying drawing 1 is the utility model operating mode systematic schematic diagram (refrigeration in summer).
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further specified, following embodiment is illustrative, is not determinate, can not limit protection domain of the present utility model with following embodiment.
The building heating ventilation air-conditioning system is united in a kind of ground pipe laying earth source heat pump-water accumulation of energy, comprises five subsystems altogether, is respectively: room air conditioner cycle heat exchange system, water exoergic system, water energy-storage system, compression type heat pumping system, buried tube circulating system.Present embodiment mainly is that example is narrated with the summer cooling, and heat supply in winter is the narration of parenthesis part.
The concrete structure and the connection of each system are respectively:
1, room air conditioner cycle heat exchange system forms closed circuit by evaporimeter 5 (condenser 3) or exoergic heat exchanger 11, water circulating pump 12, air conditioning terminal 13 etc.Its principle is: air-conditioning cold (heat) water after evaporimeter 5 (condenser 3) or 11 heat exchange of exoergic heat exchanger, send into air conditioning terminal 13 to indoor cooling (heat supply) by water circulating pump 12, the air-conditioning backwater gets back to evaporimeter 5 (condenser 3) or exoergic heat exchanger 11 carries out continuing circulation after the heat exchange.
2, water exoergic system constitutes closed circuit by accumulation of energy pond 8, exoergic water pump 10, exoergic heat exchanger 11.Its principle is: the water that 8 bottoms, accumulation of energy pond (top) store, process exoergic water pump 10 flows back to exoergic heat exchanger 11 tops (bottom) after sending into 11 heat absorptions (heat release) of exoergic heat exchanger.
3, water energy-storage system is to constitute closed circuit by evaporimeter 5 (condenser 3), accumulation of energy water pump 9, accumulation of energy pond 8 etc.Its principle is: after interior water process evaporimeter 5 (condenser 3) heat release of accumulation of energy water system (heat absorption), be fed through 8 bottoms, accumulation of energy pond (top) by accumulation of energy water pump 9 and store, the current on 8 tops, accumulation of energy pond (bottom) advance evaporimeter 5 (condenser 3) and continue heat release (heat absorption).
4, the compression type heat pumping system is to constitute refrigerating circuit by compressor 6, evaporimeter 5, condenser 3, expansion valve 4.Its principle is: the cold-producing medium of the HTHP of process compressor 6 compressions, and to condenser 3 heat releases, through entering evaporimeter 5 heat absorptions after expansion valve 4 decompressions, the cold-producing medium after the heat absorption flows back to compressor 6 continuation circulations again;
5, buried tube circulating system be by ground pipe laying 1, source water circulating pump 2, condenser 3 constitute closed circuit.Its principle is: the compression type heat pumping system is emitted the heat of (absorption) by condenser 3 (evaporimeter 5), enters (absorption) to soil by condenser 1, continues circulation after sending into condenser 3 heat exchange through ground source water circulating pump 2.
Connected mode between each system is: room air conditioner cycle heat exchange system and water exoergic system are connected the two ends of exoergic heat exchanger 11 respectively, room air conditioner cycle heat exchange system and compression type heat pumping system are connected the two ends of evaporimeter 5 respectively, water exoergic system and water energy-storage system are connected the two ends in accumulation of energy pond 8 respectively, water energy-storage system and compression type heat pumping system are connected the two ends of evaporimeter 5 respectively, and compression type heat pumping system and buried tube circulating system are connected the two ends of condenser 3 respectively.
In the present embodiment, all functions parts are prior art, and same domain technical staff is understanding and grasps, and does not therefore provide concrete model.
Working method of the present utility model is:
As shown in Figure 1, the utility model summer according to different periods, different load situation, mainly be divided into five kinds of operating modes:
Operating mode one, heat pump cooling: form by compression type heat pumping system (refrigeration) and the system combined operation of room air conditioner cycle heat exchange.Operation when par is electric by day.
Operating mode two, heat pump cold-storage: form by compression type heat pumping system (refrigeration) and water energy-storage system cooperation.Operation when the night dip electricity.
Operating mode three, pond cooling: form by water exoergic system and the system combined operation of room air conditioner cycle heat exchange.Operation when peak electricity or par are electric by day.
Operating mode four, heat pump, pond associating cooling: form by compression type heat pumping system (refrigeration), water exoergic system and the system combined operation of room air conditioner cycle heat exchange.Operation when peak electricity or par are electric by day.
Operating mode five, heat pump cold-storage be cooling simultaneously: be made up of compression type heat pumping system (refrigeration), water energy-storage system and the system combined operation of room air conditioner cycle heat exchange.Operation when the night dip electricity.
The concrete operation method of the utility model refrigeration in summer sees following table (F represents valve, and * expression is closed, and √ represents to open) for details:
For winter heating, just the clockwise varying cyclically that will freeze summer gets final product for circulating counterclockwise, and present embodiment no longer provides accompanying drawing.
The utility model mainly is divided into five kinds of operating modes according to not heating in different periods, different load situation winter:
Operating mode six, heat pump heat supply: form by compression type heat pumping system (heating) and the system combined operation of room air conditioner cycle heat exchange.Operation when par is electric by day.
Operating mode seven, heat pump accumulation of heat: form by compression type heat pumping system (heating) and water energy-storage system cooperation.Operation when the night dip electricity.
Operating mode eight, pond heat supply: form by water exoergic system and the system combined operation of room air conditioner cycle heat exchange.Operation when peak electricity or par are electric by day.
Operating mode nine, heat pump, pond combined heat: form by compression type heat pumping system (heating), water exoergic system and the system combined operation of room air conditioner cycle heat exchange.Operation when peak electricity or par are electric by day.
Operating mode ten, the heat supply simultaneously of heat pump cold-storage: form by compression type heat pumping system (heating), water energy-storage system and the system combined operation of room air conditioner cycle heat exchange.Operation when the night dip electricity.
Winter, concrete operation method of the present utility model saw following table (F represents valve, and * expression is closed, and √ represents to open) for details:

Claims (2)

1. the building heating ventilation air-conditioning system is united in ground pipe laying earth source heat pump-water accumulation of energy, it is characterized in that: comprise room air conditioner cycle heat exchange system, water exoergic system, water energy-storage system, the compression type heat pumping system, five subsystems of buried tube circulating system, room air conditioner cycle heat exchange system and water exoergic system are connected the two ends of exoergic heat exchanger respectively, room air conditioner cycle heat exchange system and compression type heat pumping system are connected the two ends of evaporimeter respectively, water exoergic system and water energy-storage system are connected the two ends in accumulation of energy pond respectively, water energy-storage system and compression type heat pumping system are connected the two ends of evaporimeter respectively, and compression type heat pumping system and buried tube circulating system are connected the two ends of condenser respectively.
2. pipe laying earth source heat pump-water accumulation of energy is united the building heating ventilation air-conditioning system, be it is characterized in that according to claim 1ly: the structure of described each system is:
(1) room air conditioner cycle heat exchange system forms closed circuit by evaporimeter or exoergic heat exchanger, water circulating pump, air conditioning terminal;
(2) water exoergic system constitutes closed circuit by accumulation of energy pond, exoergic water pump, exoergic heat exchanger;
(3) water energy-storage system is to constitute closed circuit by evaporimeter, accumulation of energy water pump, accumulation of energy pond;
(4) the compression type heat pumping system is to be constituted refrigeration, heated closed circuit by cross valve, compressor, evaporimeter, expansion valve, condenser;
(5) buried tube circulating system be by the ground pipe laying, source water circulating pump, condenser constitute closed circuit.
CN2010205026467U 2010-08-24 2010-08-24 Buried pipe ground-source heat pump-water energy storage combined architect heating-ventilation air-conditioning system Expired - Lifetime CN201757475U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102759160A (en) * 2012-08-02 2012-10-31 甘琼英 Ground source heat pump and energy storing method thereof
CN104964368A (en) * 2015-07-17 2015-10-07 北京中科华誉能源技术发展有限责任公司 Air conditioning system for coupling buried pipe ground source heat pumps with step tariff energy storage equipment
CN106440131A (en) * 2016-09-23 2017-02-22 济南玖联电力软件发展有限公司 Method for saving embedded pipes of ground source heat pump system
CN106679000A (en) * 2016-10-28 2017-05-17 赵升智 Ecological central air conditioner

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102759160A (en) * 2012-08-02 2012-10-31 甘琼英 Ground source heat pump and energy storing method thereof
CN102759160B (en) * 2012-08-02 2014-12-03 甘琼英 Ground source heat pump and energy storing method thereof
CN104964368A (en) * 2015-07-17 2015-10-07 北京中科华誉能源技术发展有限责任公司 Air conditioning system for coupling buried pipe ground source heat pumps with step tariff energy storage equipment
CN106440131A (en) * 2016-09-23 2017-02-22 济南玖联电力软件发展有限公司 Method for saving embedded pipes of ground source heat pump system
CN106679000A (en) * 2016-10-28 2017-05-17 赵升智 Ecological central air conditioner

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Granted publication date: 20110309