CN102721236B - Underground energy storage-ground source heat pump combined building energy supply system - Google Patents
Underground energy storage-ground source heat pump combined building energy supply system Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/272—Solar heating or cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The invention provides an underground energy storage-ground source heat pump combined building energy supply system, which includes three subsystems, including a cold storage and supply system, a heat storage and supply system and an air-conditioner house system, wherein the cold storage and supply system includes a wind plate, a cold storage buried pipe group, an ice storage pool, a cold-zone circulating water pump, a direct supply cold end inlet valve, a direct supply cold end outlet valve, an ice storage pool inlet valve, an ice storage pool outlet valve, a cold storage zone inlet valve, a cold storage zone outlet valve, a surface water inlet valve, a surface water outlet valve and a connecting pipeline; and the heat storage and supply system includes a floor board heating, a heat storage buried pipe group, a solar collector, a wax storage pool, a hot-zone circulating water pump, a direct heat supply end inlet valve, a direct heat supply end outlet valve, a wax storage pool inlet valve, a wax storage pool outlet valve, a heat storage zone inlet valve, a heat storage zone outlet valve, a heat collection inlet valve, a heat collection outlet valve and a connecting pipeline. The underground energy storage-ground source heat pump combined building energy supply system is provided with two tail ends and independent cold and heat sources, and can avoid the geo-temperature field unbalance caused by load difference at winter and summer.
Description
Technical field
The present invention concrete a kind of for villa buildings provide hot and cold energy across storage in season, energy supplying system.
Background technology
Current, in the situation that energy supply anxiety and greenhouse effects are on the rise, Renewable Energy Development utilizes technology extremely urgent.Especially in the energy for building field, the utilization of new forms of energy obtains extensive concern especially, such as the utilization of solar energy, wind energy, geothermal energy.Aspect renewable energy utilization, apply at present maximum ground source heat pump technologies that shallow layer geothermal energy utilizes aspect that surely belongs to.This technology be a kind of underground that utilizes as low order heat source for heat pump, by inputting a small amount of high-grade energy (as electric energy), realize the heat pump of heat from low-temperature level to the high temperature bit transition.Simultaneously, underground energy-accumulating can effectively utilize natural cold and heat source, and it is carried out can demand across storing to meet using of season in season season.Instantly, the greenhouse effects that the research of underground energy-accumulation and ground source hot pump integrated system for example, utilizes degree, attenuating air conditioner cold-heat source emission C02 to cause to the utilization ratio, the increasing regenerative resource (geothermal energy and solar energy) that improve non-renewable energy resources have all played positive effect, and the situation of alleviating China's power supply shortage and the problem that solves energy and environment are being produced to important impact.The commonly used ground source heat pump technology that has reaches the solar energy-heat pump technology combined with the solar energy utilization at present.But store up accordingly refrigeration technique development and apply lessly, and on aspect energy storage, energy storage efficiency is low also becomes the bottleneck that the development of containment energy storage technology is used.
But in fact, reduce architectural environment and build the energy resource consumption of system and roughly realize from two aspects: the first, as far as possible under the prerequisite that meets user's basic need, reduce poor between the natural environment of Environment Inside the Building parameter and the utilization of all multipotencys; The second, how the storage by energy further utilizes the variation in time of nature ambient condition to build suitable living environment with transforming.Therefore, build the building energy supplying system that a kind of energy storage is combined with earth source heat pump, by fully carrying out the natural energy storage across season, what meet summer in winter be very significant by the energy demand.
Summary of the invention
For the deficiencies in the prior art, the technical problem that quasi-solution of the present invention is determined is: a kind of system is provided, mainly take soil as object, the underground energy-accumulating technology that relies on cold summer storage of winter, Xia Redong to use, in conjunction with solar energy heating, the auxiliary effect of surface water storage cold-peace air-conditioning unit, by rational allocation, reach and meet building for hot and cold demand.This system can reduce power consumption to a great extent, utilizes natural resources to meet by energy demand, the living environment of Creating Comfort.The new underground energy-accumulating imagination proposed, compare with existing earth-source hot-pump system, can make full use of the natural resources, and the hot and cold amount loss of upper minimizing ground source largely, improve the unit performance coefficient.And system each several part flexible adjustment, independence is strong, for villa buildings, applicability is preferably arranged.
High efficiency solved by the invention utilizes natural energy resources to meet building energy supply problem, provides a kind of underground energy-accumulating-earth source heat pump to combine the building energy supplying system.This system comprises three subsystems: store up cold cold supply system, heat storage and heat supply system and Air Conditioning Facilities system.
The cold cold supply system I of described storage comprises the wind dish, stores up cold pipe laying nest of tubes, ice storage pond, cold-zone water circulating pump, direct-furnish cold side inlet valve, direct-furnish cold side outlet valve, ice storage pond inlet valve, ice storage pond outlet valve, storage cold-zone inlet valve, storage cold-zone outlet valve, surface-water inlet valve, surface water outlet valve and connecting line; The cold pipe laying nest of tubes of described storage outflow end flows into end with storage cold-zone outlet valve, cold-zone water circulating pump, surface-water inlet valve, surface water, surface water outlet valve with Chu Leng pipe laying nest of tubes in turn and is connected by pipeline; Described ice storage pond outflow end flows into end, wind dish outflow end, direct-furnish cold side outlet valve, ice storage pond inlet valve and ice storage pond inflow end with ice storage pond outlet valve, cold-zone water circulating pump, direct-furnish cold side inlet valve, wind dish in turn and is connected by pipeline; Nei Bing source, described ice storage pond is by the mode of at cold season machinery, getting ice, and ice cube is banked up in pond and realized; The cold pipe laying nest of tubes of described storage outflow end flows into end, wind dish outflow end, direct-furnish cold side outlet valve, storage cold-zone inlet valve and Chu Leng pipe laying nest of tubes inflow end with storage cold-zone outlet valve, cold-zone water circulating pump, direct-furnish cold side inlet valve, wind dish in turn and is connected by pipeline.
Described heat storage and heat supply system II comprises floor heating, heat accumulation pipe laying nest of tubes, solar thermal collector, storage wax pond, hot-zone water circulating pump, direct-furnish hot side inlet valve, direct-furnish hot junction outlet valve, storage wax pond inlet valve, storage wax pond outlet valve, heat accumulation district inlet valve, heat accumulation district outlet valve, thermal-arrest inlet valve, thermal-arrest outlet valve and connecting line; Described heat accumulation pipe laying nest of tubes outflow end flows into end with thermal-arrest inlet valve, solar thermal collector, thermal-arrest outlet valve, hot-zone water circulating pump, heat accumulation district inlet valve and heat accumulation pipe laying nest of tubes in turn and is connected by pipeline; Described heat accumulation pipe laying nest of tubes outflow end flows into end, floor heating outflow end, direct-furnish hot junction outlet valve, hot-zone water circulating pump, heat accumulation district inlet valve and heat accumulation pipe laying nest of tubes inflow end with heat accumulation district outlet valve, direct-furnish hot side inlet valve, floor heating in turn simultaneously and is connected by pipeline.Described storage wax pond outflow end flows into end, floor heating outflow end, direct-furnish hot junction outlet valve, hot-zone water circulating pump, storage wax pond inlet valve and storage wax pond inflow end with storage wax pond outlet valve, direct-furnish hot side inlet valve, floor heating in turn and is connected by pipeline; Described storage wax pond outflow end flows into end with storage wax pond and is connected by pipeline with storage wax pond outlet valve, heat accumulation district outlet valve, thermal-arrest inlet valve, solar thermal collector, thermal-arrest outlet valve, hot-zone water circulating pump, storage wax pond inlet valve in turn simultaneously.
Described Air Conditioning Facilities system III comprise source pump, source water circulating pump, end side water circulating pump, source heat extraction inlet valve, source heat extraction outlet valve, end cooling inlet valve, end cooling outlet valve, source heat-obtaining inlet valve, source heat-obtaining outlet valve, end heat supply inlet valve, end heat supply outlet valve; Described source pump user's side goes out the stream end and becomes a mandarin and hold pipeline to be connected with end side water circulating pump, end cooling inlet valve, wind dish inflow end, wind dish outflow end, end cooling outlet valve and source pump user side in turn, forms closed circulation; Described source pump ground source go out the stream end in turn with ground source water circulating pump, source heat extraction outlet valve, storage cold-zone outlet valve, store up cold pipe laying nest of tubes flow into end, store up cold pipe laying nest of tubes outflow end, source heat extraction inlet valve and the source pump ground source end pipeline that becomes a mandarin be connected, form closed circulation.Described source pump user's side goes out the stream end and becomes a mandarin and hold pipeline to be connected with end side water circulating pump, end heat supply inlet valve, floor heating inflow end, floor heating outflow end, end heat supply outlet valve and source pump user side in turn, forms closed circulation; Described source pump ground source go out the stream end in turn with ground source water circulating pump, source heat-obtaining outlet valve, heat accumulation district inlet valve, heat accumulation pipe laying nest of tubes flow into end, heat accumulation pipe laying nest of tubes outflow end, heat accumulation district outlet valve, source heat-obtaining inlet valve and the source pump ground source end pipeline that becomes a mandarin be connected, the formation closed circulation.
Described ice storage Chi Huochulachi adopts fragment of brick cement to build, and pond volume, pipe laying depth determine according to customer charge, and body top in pond is far from ground more than 1 meter, and covering is with insulation material.
The cold pipe laying nest of tubes of described storage arranges in the form of a ring in the ice storage pond outside, and pipe laying nest of tubes top is far from ground more than 1 meter, and covers with insulation material.
Described heat accumulation pipe laying nest of tubes arranges in the form of a ring in the storage wax pond outside, and pipe laying nest of tubes top is far from ground more than 1 meter, and covers with insulation material.
Suitable earth surface water source is arranged or manually be built into the earth's surface tank around described ice storage pond.
The part load of described cold supply system is provided respectively by ice storage pond and Chu Leng pipe laying nest of tubes, and another part load is provided by the earth source heat pump cold supply system; The part load of described heating system is provided respectively by storage wax pond and heat accumulation pipe laying nest of tubes, and another part load is provided by the earth source heat pump heating system.
Beneficial effect of the present invention is:
1) this system comprises two ends (wind dish, floor heating), independent cold and heat source (storing up cold pipe laying nest of tubes, heat accumulation pipe laying nest of tubes), the Temperature Field imbalance problem that can avoid winter Load in Summer difference to cause.
2) take full advantage of seasonal natural cold quantity and heat, its wide material sources, a considerable number of.
3) the pipe laying nest of tubes is arranged in the form of a ring in the outside, energy storage pond, and the upper energy loss that reduces, improve energy storage efficiency largely.
4) system is independently allocated, and controls switching flexibly, and energy-provision way is various, and convenient with the conversion of energy storage pattern.
5) mean temperature in heat accumulation in winter district, higher than normal soil surface, can be used for building pavement snow melting and the cultivation of tress turf on every side, realizes the purpose of green landscape.
The accompanying drawing explanation
Fig. 1 is that underground energy-accumulating-earth source heat pump of the present invention is combined the composition structural representation of building energy supplying system.
The specific embodiment
Further narrate the present invention below in conjunction with embodiment and accompanying drawing thereof:
Underground energy-accumulating-the earth source heat pump of the present invention's design is combined building energy supplying system (referring to Fig. 1).This system comprises three subsystems: store up cold cold supply system I, heat storage and heat supply system II and Air Conditioning Facilities system III.
The cold cold supply system I of described storage comprises wind dish 1, stores up cold pipe laying nest of tubes 9, ice storage pond 4, cold-zone water circulating pump 51, direct-furnish cold side inlet valve 32, direct-furnish cold side outlet valve 31, ice storage pond inlet valve 33, ice storage pond outlet valve 34, storage cold-zone inlet valve 35, storage cold-zone outlet valve 37, surface-water inlet valve 38, surface water outlet valve 36 and connecting line; Cold pipe laying nest of tubes 9 outflow ends of described storage flow into end with storage cold-zone outlet valve 37, cold-zone water circulating pump 51, surface-water inlet valve 38, surface water, surface water outlet valve 36 with Chu Leng pipe laying nest of tubes 9 in turn and are connected by pipeline; Described ice storage pond 4 outflow ends flow into end, wind dish 1 outflow end, direct-furnish cold side outlet valve 31, ice storage pond inlet valve 33 and ice storage pond 4 inflow ends with ice storage pond outlet valve 34, cold-zone water circulating pump 51, direct-furnish cold side inlet valve 32, wind dish 1 in turn and are connected by pipeline; Nei Bing source, described ice storage pond is by the mode of at cold season machinery, getting ice, and ice cube is banked up in pond and realized; Cold pipe laying nest of tubes 9 outflow ends of described storage flow into end, wind dish 1 outflow end, direct-furnish cold side outlet valve 31, storage cold-zone inlet valve 35 and Chu Leng pipe laying nest of tubes 9 inflow ends with storage cold-zone outlet valve 37, cold-zone water circulating pump 51, direct-furnish cold side inlet valve 32, wind dish 1 in turn and are connected by pipeline.
Described heat storage and heat supply system II comprises floor heating 2, heat accumulation pipe laying nest of tubes 8, solar thermal collector 6, storage wax pond 5, hot-zone water circulating pump 54, direct-furnish hot side inlet valve 92, direct-furnish hot junction outlet valve 91, storage wax pond inlet valve 94, storage wax pond outlet valve 95, heat accumulation district inlet valve 98, heat accumulation district outlet valve 96, thermal-arrest inlet valve 97, thermal-arrest outlet valve 93 and connecting line; Described heat accumulation pipe laying nest of tubes 8 outflow ends flow into end with thermal-arrest inlet valve 97, solar thermal collector 6, thermal-arrest outlet valve 93, hot-zone water circulating pump 54, heat accumulation district inlet valve 98 with heat accumulation pipe laying nest of tubes 8 in turn and are connected by pipeline; Described heat accumulation pipe laying nest of tubes 8 outflow ends flow into end, floor heating 2 outflow ends, direct-furnish hot junction outlet valve 91, hot-zone water circulating pump 54, heat accumulation district inlet valve 98 and heat accumulation pipe laying nest of tubes 8 inflow ends with heat accumulation district outlet valve 96, direct-furnish hot side inlet valve 92, floor heating 2 in turn simultaneously and are connected by pipeline; Described storage wax pond 5 outflow ends flow into end, floor heating 2 outflow ends, direct-furnish hot junction outlet valve 91, hot-zone water circulating pump 54, storage wax pond inlet valve 94 and storage wax pond 5 inflow ends with storage wax pond outlet valve 95, direct-furnish hot side inlet valve 92, floor heating 2 in turn and are connected by pipeline; Described storage wax pond 5 outflow ends flow into end with storage wax pond 5 and are connected by pipeline with storage wax pond outlet valve 95, heat accumulation district outlet valve 96, thermal-arrest inlet valve 97, solar thermal collector 6, thermal-arrest outlet valve 93, hot-zone water circulating pump 54, storage wax pond inlet valve 94 in turn simultaneously; In the described connected mode that comprises heat accumulation district outlet valve 96, the connecting line at its two ends has the different flow directions in different connected modes.
Described Air Conditioning Facilities system III comprise source pump 3, source water circulating pump 53, end side water circulating pump 52, source heat extraction inlet valve 63, source heat extraction outlet valve 64, end cooling inlet valve 61, end cooling outlet valve 62, source heat-obtaining inlet valve 65, source heat-obtaining outlet valve 66, end heat supply inlet valve 68, end heat supply outlet valve 67; Described source pump 3 user's sides go out the stream end and become a mandarin and hold pipeline to be connected with end side water circulating pump 52, end cooling inlet valve 61, wind dish 1 inflow end, wind dish 1 outflow end, end cooling outlet valve 62 and source pump 3 user's sides in turn, form closed circulation; Described source pump 3 ground sources go out the stream end in turn with ground source water circulating pump 53, source heat extraction outlet valve 64, storage cold-zone outlet valve 37, store up cold pipe laying nest of tubes 9 flow into end, store up cold pipe laying nest of tubes 9 outflow ends, source heat extraction inlet valve 63 and the source pump 3 ground sources end pipeline that becomes a mandarin be connected, form closed circulation; Described source pump 3 user's sides go out the stream end and become a mandarin and hold pipeline to be connected with end side water circulating pump 52, end heat supply inlet valve 68, floor heating 2 inflow ends, floor heating 2 outflow ends, end heat supply outlet valve 67 and source pump 3 user's sides in turn, form closed circulation; Described source pump 3 ground sources go out the stream end in turn with ground source water circulating pump 53, source heat-obtaining outlet valve 66, heat accumulation district inlet valve 98, heat accumulation pipe laying nest of tubes 8 flow into ends, heat accumulation pipe laying nest of tubes 8 outflow ends, heat accumulation district outlet valve 96, source heat-obtaining inlet valve 65 and the source pump 3 ground sources end pipeline that becomes a mandarin be connected, the formation closed circulation.
The part load of described cold supply system is provided respectively by ice storage pond 4 and Chu Leng pipe laying nest of tubes 9, and another part load is provided by the earth source heat pump cold supply system; The part load of described heating system is provided respectively by storage wax pond 5 and heat accumulation pipe laying nest of tubes 8, and another part load is provided by the earth source heat pump heating system.
1. energy storage pattern
Energy-storage system of the present invention utilizes the pond body to coordinate the pipe laying nest of tubes to carry out heat accumulation and Chu Leng.The pond body can adopt fragment of brick cement to build.Pond volume, pipe laying depth determine according to customer charge, and pond body and pipe laying nest of tubes top be far from ground more than 1 meter (containing 1 meter), and cover with insulation material 7.Suitable earth surface water source is arranged or manually be built into the earth's surface tank around building.
Winter: by the cold-zone water circulating pump, near low temperature surface water cycle is passed through to the cold pipe laying nest of tubes of storage, make cold be stored in nest of tubes soil on every side.While selecting cold day, cutting earth's surface water surface ice sheet is stored up in ice storage pond 4, specifically depending on the pond volume simultaneously.Complete rear surface and build, be incubated coated with straw, stalk, soil layer etc.The cold pipe laying nest of tubes of storage around the ice storage pond plays the effect that stores cold on the one hand, also above reduces largely pond body peripheral temperature simultaneously, makes loss of refrigeration capacity in the ice storage pond reduce.Concrete mode is: store up cold-zone outlet valve 37, surface-water inlet valve 38, surface water outlet valve 36 and cold-zone water circulating pump 51 by unlatching surface water body is connected with Chu Leng pipe laying nest of tubes 9, realize that the storage in winter is cold; Adopt machinery to get the ice mode, get ice sheet or other ice cubes source on surface water body, put and be stored in ice storage pond 4.
Summer: utilize solar thermal collector 6, coordinate storage wax pond 5 and heat accumulation pipe laying nest of tubes 8, carry out the heat accumulation in summer.The solar radiation in summer is very strong, and the heat abundance is collected the hot water that hot quality is higher as far as possible and carried out the pipe laying storage, consider that water is as heat-storage medium, storage capacity is less, and excessively season, heat waste was larger in addition, can consider to adopt phase-change material such as (paraffin etc.) as heat-storage medium.Concrete mode is: by the unlatching of thermal-arrest outlet valve 93, thermal-arrest inlet valve 97, heat accumulation district inlet valve 98 and hot-zone water circulating pump 54, solar thermal collection system 6, heat accumulation pipe laying nest of tubes 8 are connected, realize the underground pipe heat accumulation.The wax pond of unlatching storage simultaneously inlet valve 94, storage wax pond outlet valve 95, heat accumulation district outlet valve 96 can realize storing up wax pond 5 and 8 while of heat accumulation pipe laying nest of tubes heat accumulation.Close heat accumulation district inlet valve 98, only realize storage wax pond 5 heat accumulations.
2. energy supply pattern:
In summer, the cold that at first utilizes ice storage pond 4 to obtain, take the direct-furnish mode to meet user's cooling demand, along with temperature increase gradually and with consuming, after ice body melts, water temperature uprises and can not reach with can demand the time, can use the cold pipe laying nest of tubes 7 of storage to store up cold.When the two all can not meet the demands, can start source pump 3, it is coordinated with the cold pipe laying nest of tubes 7 of storage, give the building cooling.Now, the pipe laying nest of tubes hold cold and the cold surplus in ice pond, can improve to a great extent the operational efficiency of air-conditioning unit, reach the purpose of power saving.The specific embodiment is: by the unlatching of direct-furnish cold side outlet valve 31, direct-furnish cold side inlet valve 32, ice storage pond inlet valve 33, ice storage pond outlet valve 34 and cold-zone water circulating pump 51, ice storage pond 4 is connected with wind dish 1, realizes the direct cooling in ice storage pond 4.When the interior water temperature rising in ice storage pond 4 can not meet the cooling demand, open storage cold-zone inlet valve 35, storage cold-zone outlet valve 37, close ice storage pond inlet valve 33, ice storage pond outlet valve 34, dependence is stored up cold pipe laying nest of tubes 9 and is connected with wind dish 1, implements the direct cooling of the cold nest of tubes of storage.When the two all can not meet the cooling requirement, close direct-furnish cold side outlet valve 31, direct-furnish cold side inlet valve 32, storage cold-zone inlet valve 35 and cold-zone water circulating pump 51.Open end cooling inlet valve 61, end cooling outlet valve 62, source heat extraction inlet valve 63, source heat extraction outlet valve 64, end side water circulating pump 52, source water circulating pump 53 and source pump 3, complete earth source heat pump unit cooling.
Winter, operation method and aestival aspect with, at first take paraffin store up heat, in the time can not meeting the indoor heating demand, use in heat accumulation pipe laying nest of tubes 8 store up heat.When the two all can not meet, start source pump 3, it is coordinated with heat accumulation pipe laying nest of tubes 8, give building heat supplying.The specific embodiment is: by the unlatching of direct-furnish hot junction outlet valve 91, direct-furnish hot side inlet valve 92, storage wax pond inlet valve 94, storage wax pond outlet valve 95 and hot-zone water circulating pump 54, will store up wax pond 5 and be connected with floor heating 2, and realize storing up winter wax pond 5 direct-furnish patterns.When the interior temperature in storage wax pond 5 can not meet heat demand, open heat accumulation district outlet valve 96, heat accumulation district inlet valve 98, close storage wax pond inlet valve 94, storage wax pond outlet valve 95, rely on heat accumulation pipe laying nest of tubes 8 to be connected with floor heating 2, implement heat accumulation nest of tubes direct heating.When the two all can not meet the demands, close direct-furnish hot side inlet valve 92, direct-furnish hot junction outlet valve 91 and hot-zone water circulating pump 54.Open ground source heat-obtaining inlet valve 65, source heat-obtaining outlet valve 66, end heat supply outlet valve 67, end heat supply inlet valve 68, end side water circulating pump 52, source water circulating pump 53 and source pump 3, complete the heat supply of earth source heat pump unit.
The cold pipe laying nest of tubes 9 of storage of the present invention is directly used in cooling except meeting the storage cold-peace, and while and source pump 3 combinations, as the ground source heat extraction end use of earth-source hot-pump system; Described heat accumulation pipe laying nest of tubes 8 is except meeting heat accumulation and being directly used in heat supply, and while and source pump 3 combinations, as the ground source heat-obtaining end use of earth-source hot-pump system.
Pipe laying quantity design in the described solar thermal collector area of energy storage section of the present invention, storage wax pond volume, ice storage pond volume and storage cold-zone and heat accumulation district, to determine according to customer charge and intended investment cost, consider the principle of soil geothermal equilibrium simultaneously, according to season energizing quantity design the size of energy-storage system.
Ice storage of the present invention pond 4 and storage wax pond 5 lay respectively at the cold pipe laying nest of tubes 9 of storage and heat accumulation pipe laying nest of tubes 8 central authorities, the pipe laying nest of tubes in the energy storage pond around the outside arrange in the form of a ring, insulation material 7 is all laid in top by whole energy storage district, to improve energy storage efficiency.
In conjunction with hot and cold resourceful characteristic in summer in winter, utilize soil as energy storage carrier and environment, consider shallow layer geothermal energy, solar energy, ice sheet, the natural resources of low temperature surface water and the booster action of heat pump, realize the energy supply of building and build snow melt and landscape planting function on every side winter.The combination of system consideration boring pipe laying and underground pond body, the pond body is used for meeting the storage of most of energy, and mainly play energy storage and create the effect of thermal environment in the pipe laying district, and in the situation that energy supply is assisted in energy shortage and source pump associating.This design, taking full advantage of natural energy resources for when building energy supply, has been considered phase-change material heat accumulation and ground source heat pump technology, and having reduced to a great extent using of building can consume, and has stronger green, environment protection significance.
The present invention does not address part and is applicable to prior art.
The above, be only the case study on implementation proposed according to technical solution of the present invention, not the present invention done to any pro forma restriction.All technical solution of the present invention contents that do not break away from,, all still belong in claim scope of the present invention simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present invention.
Claims (5)
1. a underground energy-accumulating-earth source heat pump is combined the building energy supplying system, it is characterized by this system and comprises three subsystems: store up cold cold supply system, heat storage and heat supply system and Air Conditioning Facilities system;
The cold cold supply system of described storage comprises the wind dish, stores up cold pipe laying nest of tubes, ice storage pond, cold-zone water circulating pump, direct-furnish cold side inlet valve, direct-furnish cold side outlet valve, ice storage pond inlet valve, ice storage pond outlet valve, storage cold-zone inlet valve, storage cold-zone outlet valve, surface-water inlet valve, surface water outlet valve and connecting line; The cold pipe laying nest of tubes of described storage outflow end flows into end with storage cold-zone outlet valve, cold-zone water circulating pump, surface-water inlet valve, surface water, surface water outlet valve with Chu Leng pipe laying nest of tubes in turn and is connected by pipeline; Described ice storage pond outflow end flows into end, wind dish outflow end, direct-furnish cold side outlet valve, ice storage pond inlet valve and ice storage pond inflow end with ice storage pond outlet valve, cold-zone water circulating pump, direct-furnish cold side inlet valve, wind dish in turn and is connected by pipeline; Nei Bing source, described ice storage pond is by the mode of at cold season machinery, getting ice, and ice cube is banked up in pond and realized; The cold pipe laying nest of tubes of described storage outflow end flows into end, wind dish outflow end, direct-furnish cold side outlet valve, storage cold-zone inlet valve and Chu Leng pipe laying nest of tubes inflow end with storage cold-zone outlet valve, cold-zone water circulating pump, direct-furnish cold side inlet valve, wind dish in turn and is connected by pipeline;
Described heat storage and heat supply system comprises floor heating, heat accumulation pipe laying nest of tubes, solar thermal collector, storage wax pond, hot-zone water circulating pump, direct-furnish hot side inlet valve, direct-furnish hot junction outlet valve, storage wax pond inlet valve, storage wax pond outlet valve, heat accumulation district inlet valve, heat accumulation district outlet valve, thermal-arrest inlet valve, thermal-arrest outlet valve and connecting line; Described heat accumulation pipe laying nest of tubes outflow end flows into end with thermal-arrest inlet valve, solar thermal collector, thermal-arrest outlet valve, hot-zone water circulating pump, heat accumulation district inlet valve and heat accumulation pipe laying nest of tubes in turn and is connected by pipeline; Described heat accumulation pipe laying nest of tubes outflow end flows into end, floor heating outflow end, direct-furnish hot junction outlet valve, hot-zone water circulating pump, heat accumulation district inlet valve and heat accumulation pipe laying nest of tubes inflow end with heat accumulation district outlet valve, direct-furnish hot side inlet valve, floor heating in turn simultaneously and is connected by pipeline; Described storage wax pond outflow end flows into end, floor heating outflow end, direct-furnish hot junction outlet valve, hot-zone water circulating pump, storage wax pond inlet valve and storage wax pond inflow end with storage wax pond outlet valve, direct-furnish hot side inlet valve, floor heating in turn and is connected by pipeline; Described storage wax pond outflow end flows into end with storage wax pond and is connected by pipeline with storage wax pond outlet valve, heat accumulation district outlet valve, thermal-arrest inlet valve, solar thermal collector, thermal-arrest outlet valve, hot-zone water circulating pump, storage wax pond inlet valve in turn simultaneously;
Described Air Conditioning Facilities system comprise source pump, source water circulating pump, end side water circulating pump, source heat extraction inlet valve, source heat extraction outlet valve, end cooling inlet valve, end cooling outlet valve, source heat-obtaining inlet valve, source heat-obtaining outlet valve, end heat supply inlet valve, end heat supply outlet valve; Described source pump user's side goes out the stream end and becomes a mandarin and hold pipeline to be connected with end side water circulating pump, end cooling inlet valve, wind dish inflow end, wind dish outflow end, end cooling outlet valve and source pump user side in turn, forms closed circulation; Described source pump ground source go out the stream end in turn with ground source water circulating pump, source heat extraction outlet valve, storage cold-zone outlet valve, store up cold pipe laying nest of tubes flow into end, store up cold pipe laying nest of tubes outflow end, source heat extraction inlet valve and the source pump ground source end pipeline that becomes a mandarin be connected, form closed circulation; Described source pump user's side goes out the stream end and becomes a mandarin and hold pipeline to be connected with end side water circulating pump, end heat supply inlet valve, floor heating inflow end, floor heating outflow end, end heat supply outlet valve and source pump user side in turn, forms closed circulation; Described source pump ground source go out the stream end in turn with ground source water circulating pump, source heat-obtaining outlet valve, heat accumulation district inlet valve, heat accumulation pipe laying nest of tubes flow into end, heat accumulation pipe laying nest of tubes outflow end, heat accumulation district outlet valve, source heat-obtaining inlet valve and the source pump ground source end pipeline that becomes a mandarin be connected, the formation closed circulation.
2. underground energy-accumulating-earth source heat pump as claimed in claim 1 is combined the building energy supplying system, it is characterized by described ice storage Chi Huochulachi and adopts fragment of brick cement to build, and body top in pond is far from ground more than 1 meter, and covering is with insulation material.
3. underground energy-accumulating-earth source heat pump as claimed in claim 1 is combined the building energy supplying system, it is characterized by the cold pipe laying nest of tubes of described storage and arranges in the form of a ring in the ice storage pond outside, and pipe laying nest of tubes top is far from ground more than 1 meter, and covers with insulation material.
4. underground energy-accumulating-earth source heat pump as claimed in claim 1 is combined the building energy supplying system, it is characterized by described heat accumulation pipe laying nest of tubes and arranges in the form of a ring in the storage wax pond outside, and pipe laying nest of tubes top is far from ground more than 1 meter, and covers with insulation material.
5. underground energy-accumulating-earth source heat pump as claimed in claim 1 is combined the building energy supplying system, and it is characterized by described ice storage pond has suitable earth surface water source or manually be built into the earth's surface tank on every side.
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| CN104567092B (en) * | 2014-10-22 | 2017-08-25 | 南京溧马新能源科技有限公司 | A kind of across season energy storage type cooling and heating installation and control method |
| CN106369872B (en) * | 2016-08-20 | 2022-02-01 | 河北泓宇能源科技有限公司 | Solar energy-ground source heat pump coupling energy supply system and operation method thereof |
| CN107667725A (en) * | 2017-09-30 | 2018-02-09 | 深圳前海弘稼科技有限公司 | A kind of control method of Greenhouse System and Greenhouse System |
| CN110307668B (en) * | 2019-07-23 | 2024-06-07 | 同方节能装备有限公司 | Nuclear energy cold and hot combined supply system based on absorption technology |
| CN110725568A (en) * | 2019-09-20 | 2020-01-24 | 唐山际宇岩土工程有限公司 | Passive house utilizing natural energy through common technology |
| CN112212429A (en) * | 2020-09-24 | 2021-01-12 | 西安工程大学 | Low-energy-consumption air conditioner cooling system based on evaporative cooling and seasonal cold storage |
| CN118729602A (en) * | 2024-09-02 | 2024-10-01 | 宁波天焓储能科技有限公司 | Cold and hot combined supply system with energy storage and heat pump coupled |
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