CN103256670A - Ground source heat pump combined air conditioning system - Google Patents
Ground source heat pump combined air conditioning system Download PDFInfo
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- CN103256670A CN103256670A CN2013100164685A CN201310016468A CN103256670A CN 103256670 A CN103256670 A CN 103256670A CN 2013100164685 A CN2013100164685 A CN 2013100164685A CN 201310016468 A CN201310016468 A CN 201310016468A CN 103256670 A CN103256670 A CN 103256670A
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Abstract
The invention relates to a ground source heat pump combined air conditioning system which comprises a set of buried pipe heat exchangers, a water distributor, a water collector, a ground source heat pump unit communicated with the set of the buried pipe heat exchangers, the water distributor and the water collector respectively, a plurality of air conditioning tail ends communicated with the water distributor and the water collector, a conventional cold water unit, a cooling tower communicated with the conventional cold water unit, a plurality of control valves and a water pump. The control valves are correspondingly used for controlling connection and disconnection of pipelines, and operating control of the air conditioning system in different time periods is realized through on and off of the control valves and the water pump. The ground source heat pump combined air conditioning system can meet requirements of air conditioning in subway stations by utilizing a ground source heat pump air conditioning system, is efficient, energy-saving and stable in operating, can facilitate popularization and application of a ground source heat pump in the subway stations and other buildings where load fluctuation is large and cold and hot load is unbalanced, and can reduce noise.
Description
Technical field
The present invention relates to building energy saving noise reduction technology field and technical field of heat pumps, relate in particular to a kind of can satisfy underground subway station air conditioner load demand and night the noise reduction demand the earth source heat pump composite air conditioner system.
Background technology
Along with the development of urbanization process, subway has become the primary selection of modern city people trip, and people have proposed to compare higher requirement to the comfort level of subway and subway station simultaneously.The subway station mostly adopts conventional handpiece Water Chilling Units air-conditioning system to carry out the humiture adjusting of station environment at present, and it is bigger to consume energy, and the cooling tower floor space is big, noise is big, big to the surrounding resident influence, particularly night, has a strong impact on the subway station surrounding resident and has a rest.Simultaneously, because the subway station flow of the people is big, the periodicity of load is obvious, and has significant morning of evening peak, causes conventional handpiece Water Chilling Units air-conditioning system to move inefficiency for a long time under sub-load.Geothermal heat pump air-conditioning system is satisfying on the basis that comfortableness requires, with its environmental protection, energy-conservation, efficient, low noise, need not cooling tower, to characteristics such as the ground Influence on Architecture are less, be adapted at the subway station and apply.
Earth-source hot-pump system winter can be from the soil draw heat to building heat supplying, and the heat in then will building summer enters soil to the building refrigeration, as long as make the suction thermal balance of earth-source hot-pump system, system is the energy stable and high effective operation just, has application promise in clinical practice.But most underground subway station only needs the refrigeration in summer, does not have the heating demand winter, has brought bigger difficulty for the use of earth source heat pump.Therefore, be necessary with the ground source heat pump technology to be that core makes up composite air conditioner system.Patent such as application number CN201110146044.1 has provided the building energy supplying system that a kind of solar energy-ground source heat pump is united, and utilizes solar energy to assist the earth source heat pump energy supply, thereby solves the unbalance problem of ground heat exchanger surrounding soil heat.But the operational mode of this patent and control mode are comparatively simple, and solar energy has unstability, this system can satisfy the energy supply demand of common building to a certain extent and keep the thermal balance of soil, but can not satisfy the big and tangible special building air conditioner load demand that fluctuates of this air conditioner load in subway station.
How to design a kind of can effectively satisfy the subway station air conditioner load and night the noise reduction demand energy-saving air conditioning system be urgent problem in the Air-conditioner design of subway station.
Summary of the invention
The technical problem to be solved in the present invention is can not effectively satisfy subway station air conditioner load and the very big defective of noise in order to overcome existing subway station air-conditioning, provide a kind of can satisfy underground subway station air conditioner load demand and night the noise reduction demand the earth source heat pump composite air conditioner system.
The present invention solves above-mentioned technical problem by following technical proposals: a kind of earth source heat pump composite air conditioner system, it comprises one group of ground heat exchanger, a water knockout drum, a water collector, one organizes ground heat exchanger with this respectively, this water knockout drum, this earth source heat pump unit that this water collector is connected, some respectively with this water knockout drum, the air conditioning terminal that this water collector is connected, its characteristics are, it also comprises a conventional handpiece Water Chilling Units, a cooling tower that communicates with this routine cooling unit, and corresponding some by-pass valve controls and the water pump that is used for the control piper break-make, be used for the switching by this by-pass valve control and this water pump, realize the operation control of different period air-conditioning systems.For example, conventional handpiece Water Chilling Units links to each other with cooling tower; The earth source heat pump unit links to each other with ground heat exchanger; Conventional handpiece Water Chilling Units with link to each other with some air conditioning terminal feed pipes after the chilled water feed pipe of earth source heat pump unit is connected same water knockout drum; Conventional handpiece Water Chilling Units with link to each other with the air conditioning terminal return pipe after the chilled water return pipe of earth source heat pump unit is connected same water collector; Valve and water pump are located on the connecting line, the control piper break-make.
Preferably, some these air conditioning terminals are a subway station air conditioning terminal.
Preferably, described water pump comprises: the conventional handpiece Water Chilling Units evaporation side water pump that is connected with this routine handpiece Water Chilling Units, conventional handpiece Water Chilling Units condensation side water pump respectively.
Preferably, described water pump also comprises: the subway station air conditioning terminal side water pump that is connected with some these subway station air conditioning terminals, this water collector respectively; The ground-source heat pump ground source water pump that is connected with these some ground heat exchangers and this earth source heat pump unit respectively; And respectively with this earth source heat pump load-side water pump that is connected at earth source heat pump unit, this water collector.
Preferably, described some by-pass valve controls comprise: the earth source heat pump by-pass valve control that is used for the advancing of this earth source heat pump unit of control/water yield; The conventional handpiece Water Chilling Units valve that is used for the advancing of this routine handpiece Water Chilling Units of control/water yield; And the subway station air conditioning terminal valve that is used for the advancing of this subway station air conditioning terminal of control/water flow.
Preferably, described ground heat exchanger links to each other with the ground source of this earth source heat pump unit by this ground-source heat pump ground source water pump, the load-side outlet pipe of described earth source heat pump unit links to each other with described water knockout drum by described earth source heat pump by-pass valve control, and the load-side return pipe of described earth source heat pump unit links to each other with described water collector by described earth source heat pump by-pass valve control, described earth source heat pump load-side water pump.
Preferably, described cooling tower links to each other by the condensation side of water pump with this routine handpiece Water Chilling Units, the chilled water outlet pipe of described conventional handpiece Water Chilling Units links to each other with this water knockout drum by valve, and the chilled water return pipe of described conventional handpiece Water Chilling Units links to each other with described water collector by valve, water pump; Described water knockout drum links to each other with some described air conditioning terminals by valve; Described water collector links to each other with some described air conditioning terminals by valve, water pump.
The flat peak period on daytime, conventional handpiece Water Chilling Units, cooling tower operation, conventional handpiece Water Chilling Units evaporation side water pump on its connecting line, conventional handpiece Water Chilling Units condensation side water pump, subway station air conditioning terminal side water pump, conventional handpiece Water Chilling Units valve and subway station air conditioning terminal valve opening, conventional handpiece Water Chilling Units is born the subway station air conditioner load.Peak period, on the basis of conventional handpiece Water Chilling Units and cooling tower operation, other makes earth source heat pump unit, ground heat exchanger operation, and open ground-source heat pump ground source water pump, earth source heat pump load-side water pump, earth source heat pump by-pass valve control on its connecting line, the earth source heat pump unit begins cooling, bears the subway station air conditioner load jointly with conventional handpiece Water Chilling Units.Night-time hours, conventional handpiece Water Chilling Units, cooling tower are closed, and close the conventional handpiece Water Chilling Units evaporation side water pump on its connecting line, conventional handpiece Water Chilling Units condensation side water pump, conventional handpiece Water Chilling Units valve; Open earth source heat pump unit, ground heat exchanger, open ground-source heat pump ground source water pump, earth source heat pump load-side water pump, subway station air conditioning terminal side water pump, earth source heat pump by-pass valve control, subway station air conditioning terminal valve on its connecting line, the earth source heat pump unit is born subway station whole air conditioner loads at night.
On the basis that meets this area general knowledge, above-mentioned each optimum condition, but any combination namely get each preferred embodiment of the present invention.
Positive progressive effect of the present invention is: can satisfy subway station air conditioner load demand, efficient stable is saved operating cost; Reduce the hot unbalance rate of ground heat exchanger surrounding soil; Reduce the noise of subway station air-conditioning system operation at night significantly, avoid noise that the subway station surrounding resident is influenced.
Description of drawings
Fig. 1 is the operation principle schematic diagram of earth source heat pump composite air conditioner system of the present invention.
The specific embodiment
Lift a preferred embodiment below, and come the clearer the present invention that intactly illustrates by reference to the accompanying drawings.
Embodiment
The present invention is particularly useful for the air conditioner load demand of subway station.Fig. 1 is the operation principle schematic diagram of earth source heat pump composite air conditioner system.The cardinal principle of earth source heat pump composite air conditioner system of the present invention is the coordination control by earth source heat pump unit 2 and conventional handpiece Water Chilling Units 3, satisfies the subway station air conditioner load requirement of different periods, and realizes reducing night the purpose of noise.
Earth source heat pump composite air conditioner system as shown in Figure 1 comprises: ground heat exchanger 1, earth source heat pump unit 2, conventional handpiece Water Chilling Units 3, cooling tower 4, subway station air conditioning terminal 5, water knockout drum 6, water collector 7, earth source heat pump by-pass valve control 8, conventional handpiece Water Chilling Units valve 9, subway station air conditioning terminal valve 10, ground-source heat pump ground source water pump 11, earth source heat pump load-side water pump 12, conventional handpiece Water Chilling Units evaporation side water pump 13, conventional handpiece Water Chilling Units condensation side water pump 14, subway station air conditioning terminal side water pump 15.
In order to realize energy-efficient, the stable operation of subway station air-conditioning system, described ground heat exchanger 1 links to each other with the ground source of earth source heat pump unit 2 by ground-source heat pump ground source water pump 11, the load-side outlet pipe of described earth source heat pump unit 2 links to each other with water knockout drum 6 by earth source heat pump by-pass valve control 8, and the load-side return pipe of described earth source heat pump unit 2 links to each other with water collector 7 by earth source heat pump by-pass valve control 8, earth source heat pump load-side water pump 12.
And in order to realize ground heat exchanger surrounding soil temperature balance, adopt conventional cold water air-conditioning system to coordinate, also comprise conventional handpiece Water Chilling Units 3, cooling tower 4, conventional handpiece Water Chilling Units evaporation side water pump 13, conventional handpiece Water Chilling Units condensation side water pump 14.Described cooling tower 4 links to each other with the condensation side of conventional handpiece Water Chilling Units 3 by conventional handpiece Water Chilling Units condensation side water pump 14, the chilled water outlet pipe of described conventional handpiece Water Chilling Units 3 links to each other with water knockout drum 6 by conventional handpiece Water Chilling Units valve 9, and the chilled water return pipe of described conventional handpiece Water Chilling Units 3 links to each other with water collector 7 by conventional handpiece Water Chilling Units valve 9, conventional handpiece Water Chilling Units evaporation side water pump 13.
Described water knockout drum 6 links to each other with subway station air conditioning terminal 5 by subway station air conditioning terminal valve 10, can store up the chilled water of geothermal heat pump air-conditioning system and conventional cold water air-conditioning system generation temporarily, and voltage stabilizing shunting rear push air conditioning terminal to the subway station.
Described water collector 7 links to each other with subway station air conditioning terminal 5 by subway station air conditioning terminal valve 10, subway station air conditioning terminal side water pump 15, the cold water that air conditioning terminal returns in the subway station be can compile, and geothermal heat pump air-conditioning system and conventional cold water air-conditioning system are sent to after the voltage stabilizing.
During concrete enforcement, when locating the ground flat peak period on daytime, the conventional handpiece Water Chilling Units 3 of native system, cooling tower 4, subway station air conditioning terminal 5 are opened, conventional handpiece Water Chilling Units valve 9, subway station air conditioning terminal valve 10 are opened, and conventional handpiece Water Chilling Units evaporation side water pump 13, conventional handpiece Water Chilling Units condensation side water pump 14, subway station air conditioning terminal side water pump 15 are opened.Cooling tower 4 by with the environment heat exchange, cooling water is delivered to the condenser of conventional handpiece Water Chilling Units 3 by conventional handpiece Water Chilling Units condensation side water pump 14, return cooling tower 4 after finishing heat exchange, continue circulation next time; After the evaporimeter of conventional handpiece Water Chilling Units 3 is reduced to design temperature with chilled water, be sent to subway station air conditioning terminal 5 by the buffering shunting of water knockout drum 6 and carry out heat exchange, reduce environment temperature in the subway station, chilled water after heat exchange is finished is by subway station air conditioning terminal side water pump 15, after water collector 7 bufferings are confluxed, carry back the evaporimeter of conventional handpiece Water Chilling Units 3, continue circulation next time.So, just can make the flat peak period operation by day of conventional cold water air-conditioning system, and give the subway station cooling.
Because off-peak period subway station internal loading fluctuation is less, conventional handpiece Water Chilling Units can continue to keep near full load condition operation, operational efficiency height.In peak period morning and evening, except keeping above-mentioned conventional handpiece Water Chilling Units 3, cooling tower 4, subway station air conditioning terminal 5, and outside conventional handpiece Water Chilling Units valve 9, subway station air conditioning terminal valve 10 and conventional handpiece Water Chilling Units evaporation side water pump 13, conventional handpiece Water Chilling Units condensation side water pump 14, subway station air conditioning terminal side water pump 15 opened, other opened earth source heat pump unit 2, ground heat exchanger 1 and earth source heat pump by-pass valve control 8 and ground-source heat pump ground source water pump 11, earth source heat pump load-side water pump 12.So, just can make geothermal heat pump air-conditioning system in operation peak period morning and evening, give the subway station cooling, alleviate the burden of conventional cold water air-conditioning system simultaneously, can keep constant relatively load, improve the efficient of conventional cold water air-conditioning system.
In this process, earth source heat pump unit 2 is born 50% of subway station peak load at most, because the subway station peak load can reach about 2 times of average load at most, therefore, conventional handpiece Water Chilling Units 3 can be born more constant load always, keep high-efficiency operation, this composite air conditioner system can be saved operating cost about 15%.
When being in night-time hours, close conventional handpiece Water Chilling Units 3, cooling tower 4, close conventional handpiece Water Chilling Units valve 9, close conventional handpiece Water Chilling Units evaporation side water pump 13, conventional handpiece Water Chilling Units condensation side 14; Open earth source heat pump unit 2, ground heat exchanger 1, open earth source heat pump by-pass valve control 8, open ground-source heat pump ground source water pump 11, earth source heat pump load-side water pump 12, use earth source heat pump unit 2 to bear the whole air conditioner loads in subway station.Because the subway station night load is less, the earth source heat pump unit can be born whole loads fully; Because cooling tower 4 is in closed condition, noiselessness produces simultaneously, has therefore realized the noise reduction at night of subway station, has avoided the influence of noise to the subway station surrounding resident.
Though more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art can make numerous variations or modification to these embodiments under the prerequisite that does not deviate from principle of the present invention and essence, but these changes and modification all fall into protection scope of the present invention.
Claims (7)
1. earth source heat pump composite air conditioner system, it comprises one group of ground heat exchanger, a water knockout drum, a water collector, one organizes ground heat exchanger with this respectively, this water knockout drum, this earth source heat pump unit that this water collector is connected, some respectively with this water knockout drum, the air conditioning terminal that this water collector is connected, it is characterized in that, it also comprises a conventional handpiece Water Chilling Units, a cooling tower that communicates with this routine cooling unit, and corresponding some by-pass valve controls and the water pump that is used for the control piper break-make, be used for the switching by this by-pass valve control and water pump, realize the operation control of different period air-conditioning systems.
2. earth source heat pump composite air conditioner system as claimed in claim 1 is characterized in that, some these air conditioning terminals are a subway station air conditioning terminal.
3. earth source heat pump composite air conditioner system as claimed in claim 2 is characterized in that, described water pump comprises: the conventional handpiece Water Chilling Units evaporation side water pump that is connected with this routine handpiece Water Chilling Units, conventional handpiece Water Chilling Units condensation side water pump respectively.
4. earth source heat pump composite air conditioner system as claimed in claim 3 is characterized in that, described water pump also comprises: the subway station air conditioning terminal side water pump that is connected with some these subway station air conditioning terminals, this water collector respectively; The ground-source heat pump ground source water pump that is connected with these some ground heat exchangers and this earth source heat pump unit respectively; And respectively with this earth source heat pump load-side water pump that is connected at earth source heat pump unit, this water collector.
5. earth source heat pump composite air conditioner system as claimed in claim 4 is characterized in that, described some by-pass valve controls comprise: the earth source heat pump by-pass valve control that is used for the advancing of this earth source heat pump unit of control/water yield; The conventional handpiece Water Chilling Units valve that is used for the advancing of this routine handpiece Water Chilling Units of control/water yield; And the subway station air conditioning terminal valve that is used for the advancing of this subway station air conditioning terminal of control/water flow.
6. earth source heat pump composite air conditioner system as claimed in claim 5, it is characterized in that, described ground heat exchanger links to each other with the ground source of this earth source heat pump unit by this ground-source heat pump ground source water pump, the load-side outlet pipe of described earth source heat pump unit links to each other with described water knockout drum by described earth source heat pump by-pass valve control, and the load-side return pipe of described earth source heat pump unit links to each other with described water collector by described earth source heat pump by-pass valve control, described earth source heat pump load-side water pump.
7. as any described earth source heat pump composite air conditioner system in the claim 1 to 6, it is characterized in that, described cooling tower links to each other by the condensation side of water pump with this routine handpiece Water Chilling Units, the chilled water outlet pipe of described conventional handpiece Water Chilling Units links to each other with this water knockout drum by valve, and the chilled water return pipe of described conventional handpiece Water Chilling Units links to each other with described water collector by valve, water pump; Described water knockout drum links to each other with some described air conditioning terminals by valve; Described water collector links to each other with some described air conditioning terminals by valve, water pump.
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| CN2013100164685A CN103256670A (en) | 2013-01-16 | 2013-01-16 | Ground source heat pump combined air conditioning system |
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| CN2013100164685A CN103256670A (en) | 2013-01-16 | 2013-01-16 | Ground source heat pump combined air conditioning system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884064A (en) * | 2014-03-28 | 2014-06-25 | 山东中瑞新能源科技有限公司 | Space radiation refrigerator used as auxiliary cold source and heat transfer modeling method |
| CN104776640A (en) * | 2015-03-23 | 2015-07-15 | 上海华燊智能化系统工程有限公司 | Constant-temperature and constant-humidity ground source heat pump air conditioning system for indoor and outdoor machine cabinet |
| CN105276727A (en) * | 2014-12-26 | 2016-01-27 | 山东富特能源管理股份有限公司 | Heat balance management system and management method thereof |
| CN104344486B (en) * | 2014-10-17 | 2017-02-15 | 攀枝花学院 | Coupling heat-recovery system of ground source heat-pump system and perennial cold supply system |
| CN113483504A (en) * | 2021-07-06 | 2021-10-08 | 江苏盛世机电工程有限公司 | Soil source heat pump and cooling tower combined system and optimization control method of combined system |
| CN114319432A (en) * | 2021-12-21 | 2022-04-12 | 济南金曰公路工程有限公司 | Semi-underground subway station construction process and semi-underground subway station |
| JP7136965B1 (en) | 2021-05-06 | 2022-09-13 | 三菱重工サーマルシステムズ株式会社 | Calculation device, calculation method, program, control device, control method, control program |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103884064A (en) * | 2014-03-28 | 2014-06-25 | 山东中瑞新能源科技有限公司 | Space radiation refrigerator used as auxiliary cold source and heat transfer modeling method |
| CN103884064B (en) * | 2014-03-28 | 2016-03-16 | 山东中瑞新能源科技有限公司 | A kind of irradiation space refrigerator as auxiliary cold source and heat transfer modeling method |
| CN104344486B (en) * | 2014-10-17 | 2017-02-15 | 攀枝花学院 | Coupling heat-recovery system of ground source heat-pump system and perennial cold supply system |
| CN105276727A (en) * | 2014-12-26 | 2016-01-27 | 山东富特能源管理股份有限公司 | Heat balance management system and management method thereof |
| CN105276727B (en) * | 2014-12-26 | 2017-12-08 | 山东富特能源管理股份有限公司 | A kind of thermal balance management system and its management method |
| CN104776640A (en) * | 2015-03-23 | 2015-07-15 | 上海华燊智能化系统工程有限公司 | Constant-temperature and constant-humidity ground source heat pump air conditioning system for indoor and outdoor machine cabinet |
| JP7136965B1 (en) | 2021-05-06 | 2022-09-13 | 三菱重工サーマルシステムズ株式会社 | Calculation device, calculation method, program, control device, control method, control program |
| WO2022234706A1 (en) * | 2021-05-06 | 2022-11-10 | 三菱重工サーマルシステムズ株式会社 | Computation device, computation method, program, control device, control method, and control program |
| JP2022172642A (en) * | 2021-05-06 | 2022-11-17 | 三菱重工サーマルシステムズ株式会社 | Calculation device, calculation method, program, control device, control method, and control program |
| CN113483504A (en) * | 2021-07-06 | 2021-10-08 | 江苏盛世机电工程有限公司 | Soil source heat pump and cooling tower combined system and optimization control method of combined system |
| CN114319432A (en) * | 2021-12-21 | 2022-04-12 | 济南金曰公路工程有限公司 | Semi-underground subway station construction process and semi-underground subway station |
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Application publication date: 20130821 |