CN203413880U - Active recovery system for balancing heat removal and heat taking of buried-pipe heat exchanger - Google Patents
Active recovery system for balancing heat removal and heat taking of buried-pipe heat exchanger Download PDFInfo
- Publication number
- CN203413880U CN203413880U CN201320446855.8U CN201320446855U CN203413880U CN 203413880 U CN203413880 U CN 203413880U CN 201320446855 U CN201320446855 U CN 201320446855U CN 203413880 U CN203413880 U CN 203413880U
- Authority
- CN
- China
- Prior art keywords
- active recovery
- pipe
- buried
- heat
- blower fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Landscapes
- Air Conditioning Control Device (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model discloses an active recovery system for balancing heat removal and heat taking of a buried-pipe heat exchanger. The active recovery system comprises the buried-pipe heat exchanger, a buried-pipe circulating pump, a variable-frequency controller of the buried-pipe circulating pump, a fresh-air unit, a variable-frequency controller of the fresh-air unit, buried-pipe branch temperature sensors, water supplying and returning branch-pipe temperature sensors of the fresh-air unit, an outdoor temperature sensor and an active recovery system controller, wherein the active recovery system controller is respectively connected with the buried-pipe branch temperature sensors, the water supplying and returning branch-pipe temperature sensors of the fresh-air unit, the outdoor temperature sensor, the variable-frequency controller of the buried-pipe circulating pump and the variable-frequency controller of the fresh-air unit; the water supplying and returning branch-pipe temperature sensors of the fresh-air unit are respectively connected with pipelines with active recovery water valves; an active recovery exhausting air valve is arranged at the outlet of the fresh-air unit. The active recovery system disclosed by the utility model has the advantages that the problems of cold-heat accumulation and cold-heat unbalance of the buried-pipe heat exchanger can be solved, the soil temperature of the land of the buried-pipe system is actively recovered, the surrounding ecological environment is protected and the operating efficiency of a heat-pump unit is improved.
Description
Technical field
The utility model relates to a kind ofly to be made ground heat exchanger heat extraction and gets thermally equilibrated Active recovery system.
Background technology
Earth source heat pump is to utilize superficial-layer geothermal energy to carry out the air-conditioning technology of the high-efficient energy-saving environment friendly of heating and refrigerating, be specially, utilize the heat storage and cold accumulation ability that underground is huge, by buried pipe-line system under Around Buildings or base plate, adopt heat pump principle, by a small amount of high-order electric energy, input, realize Lowlevel thermal energy and shift to high level heat, make underground Rock And Soil and building complete heat exchange.
Geothermal heat pump air-conditioning system is mainly divided into three parts: outside ground heat-exchange system, heat pump set system and indoor heating air conditioning terminal system.By outside ground heat-exchange system, in winter, source pump absorbs heat from underground Rock And Soil, to building, heats; In summer, source pump is discharged into underground Rock And Soil from indoor absorption heat transfer, realizes building air-conditioning refrigeration.Geothermal heat pump air-conditioning system is compared traditional air-conditioning system can significantly save the energy, and the thermal balance of ground heat exchanger and temperature are recovered problem, for entirely energy-saving effect and the economic benefit of source heat pump air-conditioning system, has critical impact.
Existing ground buried pipe of ground source heat pump heat exchanger, in the middle of operation, very easily occur to the imbalance problem of underground heat extraction or heat-obtaining, cause underground to occur heat localization or cold gathering, subsurface temperature cannot recover rational scope, the supply and return water temperature of ground heat exchanger is higher at confession cold season, supplying, warm season is on the low side, thereby seriously reduce the operational efficiency of existing earth-source hot-pump system, even cause thrashing.In the current relevant research and practice of earth source heat pump, how to make the heat extraction of ground buried pipe of ground source heat pump heat exchanger and heat-obtaining balance, the temperature field of recovering place underground is key issue urgently to be resolved hurrily.
Utility model content
Technical problem to be solved in the utility model is; provide that a kind of elimination ground heat exchanger cold and hotly gathers, cold and hot imbalance; the on-site soil moisture of Active recovery underground pipe system; protection periphery ecological environment; improve source pump operational efficiency, make ground heat exchanger heat extraction and get thermally equilibrated Active recovery system.Utilize the utility model, source heat pump system energy consumption frugally, and reduce ground heat exchanger initial cost, extend the life-span of the efficient operation of ground heat exchanger.
The utility model solves the technical scheme that its technical problem adopts: a kind ofly make ground heat exchanger heat extraction and get thermally equilibrated Active recovery system, comprise that ground heat exchanger, underground pipe water collector, underground pipe water knockout drum, underground pipe circulating pump, underground pipe circulating pump frequency-variable controller, new blower fan group, new blower fan group frequency-variable controller, underground pipe branch road temperature sensor, new blower fan group are for return branch temperature sensor, outdoor temperature sensor, source pump, source pump water valve, new wind air-supply air-valve, Active recovery system controller; Described Active recovery system controller is connected for return branch temperature sensor, outdoor temperature sensor, underground pipe circulating pump frequency-variable controller, new blower fan group frequency-variable controller with underground pipe branch road temperature sensor, new blower fan group respectively by circuit; In the confession return branch of described new blower fan group, be connected with respectively the pipeline with Active recovery water valve, the exit of described new blower fan group is provided with Active recovery air draft air-valve.
Make ground heat exchanger heat extraction and get thermally equilibrated Active recovery method to be, when non-confession cold-peace heating season source pump is shut down, turn-off source pump water valve, open Active recovery water valve, the new wind air-supply air-valve of selectively unlocking or Active recovery air draft air-valve, open Active recovery system controller, by underground pipe circulating pump frequency-variable controller, control underground pipe circulating pump intermittent running, by the supply and return water temperature of underground pipe branch road temperature sensor measurement ground heat exchanger, and use outdoor temperature sensor to measure outdoor temperature, when the mean value of supply and return water temperature of ground heat exchanger and the temperature difference of outdoor temperature reach setting value, Active recovery system controller starts underground pipe circulating pump and the new continuous power frequency operation of blower fan group, make the recirculated water in ground heat exchanger enter the coil pipe of new blower fan group, it is the heat radiation of ground heat exchanger recirculated water or the heating in coil pipe that new blower fan group is introduced outdoor new wind, make ground heat exchanger to underground heat extraction or heat-obtaining balance, thereby eliminate heat localization or cold the gathering of ground heat exchanger, make subsurface temperature return to rational scope.
Compared with prior art, the utlity model has following advantage:
The equipment such as the ground heat exchanger 1, using, ground heat exchanger circulating pump, condensate correcting-distribuing device and new blower fan group are all the existing equipment of existing earth-source hot-pump system, only need to increase control system, pipeline and valve system are transformed and (increased Active recovery water valve and front and back pipeline thereof, ground heat exchanger can be directly communicated with new blower fan group) just can form agent structure of the present utility model, transform simple and easy to do, do not increase main equipment, applicability is wide, can utilize existing system to carry out transformation and upgrade;
2, save initial cost: the utility model agent structure can utilize existing system to carry out transformation and upgrade, the equipment increasing is less, and, because the utility model has solved, cold and hotly gather, cold and hot unbalanced problem, can greatly reduce the degree that existing system cannot recover in order to reduce subsurface temperature and ground line supply and return water temperature, thereby and the design redundancy of reserved buried pipe heat exchange system can significantly reduce the initial cost of system;
3,, by eliminating cold and hot gathering, the on-site soil moisture of Active recovery underground pipe system, preserves the ecological environment, extends the efficient life cycle of moving of ground heat exchanger;
4, improve running efficiency of system, reduce energy consumption: the utility model can eliminate that ground heat exchanger is cold and hot to be gathered, cold and hot imbalance, the on-site soil moisture of Active recovery underground pipe system, can before arriving summer, eliminate heat localization and significantly reduce summer fever pump assembly condenser inflow temperature (be main for cooling, the project that has heat localization), or before arriving in the winter time, eliminate that cold to gather and significantly improve the cold evaporimeter inflow temperature of source pump (be main for heating, there is the cold project of gathering), thereby effectively improve the operational efficiency of earth source heat pump unit and system, obtain good energy-saving effect, and the utility model is furnished with Active recovery controller, according to building location meteorologic parameter and building situation, work out in advance control program, preferential selection needs fresh air supply in building, or move native system when systematically pipe laying circulating pump and new blower fan group power consumption are much smaller than power consumption due to Active recovery saving, reduce and optimize running time, reduce water pump and new blower fan power consumption that Active recovery causes.
Accompanying drawing explanation
Fig. 1 is making ground heat exchanger heat extraction and getting the structural representation of thermally equilibrated Active recovery system embodiment of the utility model.
In figure: 1-ground heat exchanger, 2-underground pipe water collector, 3-underground pipe water knockout drum, 4-underground pipe circulating pump, the new blower fan group of 5-, 6-underground pipe branch road temperature sensor, the new blower fan group of 7-is for return branch temperature sensor, 8-outdoor temperature sensor, 9-underground pipe circulating pump frequency-variable controller, the new blower fan group of 10-frequency-variable controller, 11-Active recovery system controller, 12-Active recovery water valve, 13-source pump water valve, the new wind air-supply of 14-air-valve, 15-Active recovery air draft air-valve.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
With reference to Fig. 1, making ground heat exchanger heat extraction and getting thermally equilibrated Active recovery system of the present embodiment, comprises that ground heat exchanger 1, underground pipe water collector 2, underground pipe water knockout drum 3, underground pipe circulating pump 4, underground pipe circulating pump frequency-variable controller 9, new blower fan group 5, new blower fan group frequency-variable controller 10, underground pipe branch road temperature sensor 6, new blower fan group are for return branch temperature sensor 7, outdoor temperature sensor 8, source pump 16, source pump water valve 13, new wind air-supply air-valve 14, Active recovery system controller 11; Described Active recovery system controller 11 is connected for return branch temperature sensor 7, outdoor temperature sensor 8, underground pipe circulating pump frequency-variable controller 9, new blower fan group frequency-variable controller 10 with underground pipe branch road temperature sensor 6, new blower fan group respectively by circuit; In the confession return branch of described new blower fan group 5, be connected with respectively the pipeline with Active recovery water valve 12, the exit of described new blower fan group 5 is provided with Active recovery air draft air-valve 15.
Make ground heat exchanger heat extraction and get thermally equilibrated Active recovery method to be, at conditioning in Transition Season, it is spring and autumn, between source pump 16 down periods, turn-off source pump water valve 13, open Active recovery water valve 12, the new wind air-supply air-valve 14 of selectively unlocking or Active recovery air draft air-valve 15, open Active recovery system controller 11, by underground pipe circulating pump frequency-variable controller 9, control (the low frequency running of underground pipe circulating pump 4 intermittent runnings, Frequency is 30～35Hz), by underground pipe branch road temperature sensor 6, measure the supply and return water temperature of ground heat exchanger 1, and use outdoor temperature sensor 8 to measure outdoor temperature, when the mean value of supply and return water temperature of ground heat exchanger 1 and the temperature difference of outdoor temperature reach setting value (temperature difference is greater than 10 ℃), Active recovery system controller 11 starts underground pipe circulating pump 4 and the new continuous power frequency operation of blower fan group 5, make the recirculated water in ground heat exchanger 1 enter the coil pipe of new blower fan group 5, it is the heat radiation of ground heat exchanger recirculated water or the heating in coil pipe that new blower fan group is introduced outdoor new wind, make ground heat exchanger 1 to underground heat extraction or heat-obtaining balance, thereby eliminate heat localization or cold the gathering of ground heat exchanger 1, make subsurface temperature return to rational scope.
During enforcement, should note the utility model to be set in operation when large (temperature difference is greater than 10 ℃) of outdoor temperature and the underground pipe water temperature temperature difference, reduce as far as possible and optimize running time, reduce underground pipe circulating pump and new blower fan group power consumption that Active recovery causes, preferentially select to need in building fresh air supply or systematically pipe laying circulating pump pump and new blower fan group power consumption much smaller than due to Active recovery, save power consumption time system operation, control program is programmed in advance according to building location meteorologic parameter and building situation, writes Active recovery system controller.
Installation earth-source hot-pump system of the present utility model such as operation several years of an air-conditioning office building (still having the new wind demand of sending at conditioning in Transition Season) that is positioned at Shanghai, in the time of can setting the temperature difference for backwater mean temperature and outdoor temperature and be greater than 10 ℃, startup system is sent new wind, while being greater than 15 ℃, startup system is sent new wind or directly air draft, carries out low energy consumption Active recovery.Suppose in some day by the end of March, just finished heating, the underground pipe of this office building underground pipe branch road temperature sensor measurement that source pump is shut down is 26 ℃ of (states that presented heat localization for backwater mean temperature, to affect summer condition normally moves), the outdoor temperature that outdoor temperature sensor is measured is 5～7 ℃ (according to relevant actual measurement meteorological datas), underground pipe is greater than 15 ℃ for the temperature difference of backwater mean temperature and outdoor temperature, now, the working time that needs fresh air supply at building, Active recovery system controller starts underground pipe circulating pump and new blower fan group power frequency (or frequency conversion) operation, make the recirculated water in ground heat exchanger enter the coil pipe of new blower fan group, new blower fan group is introduced and the outer new wind of heating clamber, for indoor be the recirculated water heat radiation of the ground heat exchanger in coil pipe when sending new wind, increase ground heat exchanger to the heat-obtaining of underground.In building, personnel After Hours, enter night, if temperature further declines, make pipe laying circulating pump pump systematically and new blower fan group power consumption much smaller than due to Active recovery, save power consumption time, can also close new wind air-supply valve, open Active recovery air draft phoenix valve, directly dispel the heat.In conditioning in Transition Season like this after intermittent duty a period of time, can eliminate the heat localization of this office building ground heat exchanger, make underground pipe supply and return water temperature and underground temperature return to rational scope, thus stable operation the elevator system operational efficiency of the system of assurance.
Claims (1)
1. one kind makes ground heat exchanger heat extraction and gets thermally equilibrated Active recovery system, comprise ground heat exchanger, underground pipe water collector, underground pipe water knockout drum, underground pipe circulating pump, underground pipe circulating pump frequency-variable controller, new blower fan group, new blower fan group frequency-variable controller, underground pipe branch road temperature sensor, new blower fan group is for return branch temperature sensor, outdoor temperature sensor, source pump, source pump water valve, new wind air-supply air-valve, it is characterized in that: be also provided with Active recovery system controller, described Active recovery system controller by circuit respectively with underground pipe branch road temperature sensor, new blower fan group is for return branch temperature sensor, outdoor temperature sensor, underground pipe circulating pump frequency-variable controller, new blower fan group frequency-variable controller is connected, in the confession return branch of described new blower fan group, be connected with respectively the pipeline with Active recovery water valve, the exit of described new blower fan group is provided with Active recovery air draft air-valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320446855.8U CN203413880U (en) | 2013-07-25 | 2013-07-25 | Active recovery system for balancing heat removal and heat taking of buried-pipe heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320446855.8U CN203413880U (en) | 2013-07-25 | 2013-07-25 | Active recovery system for balancing heat removal and heat taking of buried-pipe heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203413880U true CN203413880U (en) | 2014-01-29 |
Family
ID=49976766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320446855.8U Withdrawn - After Issue CN203413880U (en) | 2013-07-25 | 2013-07-25 | Active recovery system for balancing heat removal and heat taking of buried-pipe heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203413880U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363723A (en) * | 2013-07-25 | 2013-10-23 | 湖南大学 | Active recovery system and active recovery method for balancing heat extraction and heat removal of ground heat exchanger |
| CN106766378A (en) * | 2016-12-05 | 2017-05-31 | 青海聚正新能源有限公司 | Across the season soil energy storage equipment of earth source heat pump |
| CN116007231A (en) * | 2022-12-16 | 2023-04-25 | 珠海格力电器股份有限公司 | Ground source heat pump unit, control method and device thereof and storage medium |
-
2013
- 2013-07-25 CN CN201320446855.8U patent/CN203413880U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363723A (en) * | 2013-07-25 | 2013-10-23 | 湖南大学 | Active recovery system and active recovery method for balancing heat extraction and heat removal of ground heat exchanger |
| CN103363723B (en) * | 2013-07-25 | 2015-08-19 | 湖南大学 | Make ground heat exchanger heat extraction and get thermally equilibrated Active recovery System and method for |
| CN106766378A (en) * | 2016-12-05 | 2017-05-31 | 青海聚正新能源有限公司 | Across the season soil energy storage equipment of earth source heat pump |
| CN116007231A (en) * | 2022-12-16 | 2023-04-25 | 珠海格力电器股份有限公司 | Ground source heat pump unit, control method and device thereof and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103363723B (en) | Make ground heat exchanger heat extraction and get thermally equilibrated Active recovery System and method for | |
| CN104728979B (en) | A kind of Renovation of air-conditioning system method and apparatus of application all-weather solar heat supply | |
| CN203964260U (en) | A kind of automatic control system of earth-source hot-pump system | |
| CN103925635A (en) | All-weather solar energy supply system | |
| CN103020481A (en) | Method for determining optimal floor heating operation condition of air source heat pump based on energy conservation | |
| CN103776199B (en) | There is the soil source gas engine heat pump system of thermal balance Active recovery function | |
| CN101358761A (en) | Thermal recovery type geothermal heat pump air conditioning system for file storeroom | |
| CN201575543U (en) | Air conditioner system | |
| CN203413880U (en) | Active recovery system for balancing heat removal and heat taking of buried-pipe heat exchanger | |
| CN202547190U (en) | Buried pipe system of ground source heat pump | |
| CN201488147U (en) | Humidity and temperature independent control system combining ground source heat pump with solution dehumidification | |
| CN104482691B (en) | Ground-source heat pump system obtaining heat from environment and operation method thereof | |
| CN106152334A (en) | Capillary tube wall surface heat exchanger used in subway tunnel | |
| CN102620482B (en) | Seasonal soil heat recovery system of cooling tower | |
| CN202304084U (en) | Horizontal buried pipe type ground source heat pump water heating and air conditioning system | |
| CN203657274U (en) | Ground source gas heat pump system with heat balance active recovery function | |
| CN103644591B (en) | A kind of composite heat supply air conditioning system adopting solar heat-preservation pond and heat pump | |
| CN104566598A (en) | Soil source heat pump heating and floor heating combined system | |
| CN202304081U (en) | Vertical buried pipe type ground source heat pump hot water and air conditioning system | |
| CN204629873U (en) | The air-conditioning upgrade system of application all-weather solar heat supply | |
| CN204830262U (en) | Capillary tube wall surface heat exchanger used in subway tunnel | |
| CN201488401U (en) | Ground source heat pump heat exchanger | |
| CN105371340A (en) | Small solar ground-source heat pump system for villas in severe cold area and running method | |
| CN104567095A (en) | Composite ground-source heat pump system based on asphalt pavement heat accumulation | |
| CN204115118U (en) | Ground source heat pump soil concurrent heating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140129 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |