CN201522138U - Heat pump device utilizing freezing pipe as underground heat exchanger - Google Patents
Heat pump device utilizing freezing pipe as underground heat exchanger Download PDFInfo
- Publication number
- CN201522138U CN201522138U CN2009201091568U CN200920109156U CN201522138U CN 201522138 U CN201522138 U CN 201522138U CN 2009201091568 U CN2009201091568 U CN 2009201091568U CN 200920109156 U CN200920109156 U CN 200920109156U CN 201522138 U CN201522138 U CN 201522138U
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- heat
- water
- heat exchanger
- pipe
- freezing pipe
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to a heat pump device utilizing a freezing pipe as an underground heat exchanger, which utilizes the freezing pipe as the underground heat exchanger so as to provide stable heat sources and cold sources for a heat pump, and achieves the best heat exchange effect through changing water flow directions in the underground heat exchanger during operation in winter and summer. The final heat source or cold source of the heat pump is soil and underground water, and a water outlet end of the heat pump is connected with the user side, thereby providing heat sources for heating and bathing in winter and providing cold sources for air-conditioners in summer for users.
Description
Technical field
The utility model relates to freezing pipe underground heat exchange technology, also relates to the heat pump assembly that heat pump techniques, particularly freezing pipe are ground heat exchanger.
Background technology
Under the geological conditions that has than thick surface soil; before digging pit shaft; general earlier water-bearing layer around the pit shaft is frozen into the cylindrical shape frost wall of sealing with artificial refrigerating method,, under the protection of frost wall, digs the block operation with getting in touch of opposing ground pressure and isolated underground water and pit shaft.Frozen construction is to bore some freezing holes around pit shaft in proper order, and the frigo of being made up of the freezing pipe of feed pipe, liquid back pipe and bottom sealing is installed in the hole; The ground refrigeration station is transported to low temperature mediator (being generally-20～-35 ℃ the salt solution) circulation of making in the frigo, absorb the heat on stratum, it is the cylinder that freezes at center that the water-bearing layer is formed with the freezing pipe, enlarges gradually and the adjacent frost wall that cylinder is linked to be sealing that freezes.After frost wall reaches design thickness, can carry out the pit shaft pick and build operation, till passing caving ground smoothly.
At present, utilize earth source heat pump to replace traditional boiler heat supplying technology, obtained extremely successful application in China.Whether the key that can earth-source hot-pump system normally move for designing and arranged rational ground heat exchanger.Ground heat exchanger is that the U type PE pipe of 60～120m is formed by buried depth generally.The construction of ground heat exchanger needs bigger floor space and higher installation cost.And for bargh, a large amount of freezing pipes all will be discarded after frozen construction is finished, aperture with freezing pipe is 150mm, degree of depth 500m, average formation temperature is 20 ℃ of calculating, single freezing pipe heat exchange amount can reach more than the 50kW, and the heat exchange amount is equivalent to the common ground heat exchanger that 12 drilling depths are 100m, and the heating area that can provide is 800m
2
Summary of the invention
The purpose of this utility model is: proposing a kind of is the heat pump assembly of ground heat exchanger with the freezing pipe, freezing pipe is transformed into ground heat exchanger, carry out heat exchange with soil and underground water, for providing stable thermal source or heat, heat pump converges, winter, ground heat exchanger absorbed heat as evaporation ends, lifting by heat pump provides 45～65 ℃ thermal source for the user, satisfies the demand of constructure heating and bath hot water heating.Summer, ground heat exchanger was as release end of heat, absorbed the heat of taking out of from the building the inside through heat pump, for the user provides 5～12 ℃ low-temperature receiver, satisfied the demand of building air-conditioning.The utility model also is: utilize the heat around the extraction freezing pipe that this device can low-cost high-efficiency, be used for heating, bathing and the summer air-conditioning of bargh, and environment is not had any pollution and destruction.
It is the heat pump assembly of ground heat exchanger with the freezing pipe that the purpose of this utility model is achieved in that a kind of, comprises freezing pipe, circulation pipe, evaporimeter, compressor, condenser, choke valve, user, the superficial part circulation pipe, fairlead and connecting line constitute, evaporimeter, compressor, the formation refrigerating circuit that is linked in sequence of condenser, choke valve, freezing pipe and circulation pipe, superficial part circulation pipe, fairlead, evaporimeter, condenser constitute underground energy acquisition loop.Circulation pipe 2 inserts in the freezing pipe 1, and freezing pipe 1 top seal also is provided with fairlead 9, and freezing pipe 1 and circulation pipe 2 are combined into telescopic ground heat exchanger, and ground heat exchanger and soil and underground water carry out heat exchange.Winter, the water side of circulation pipe 2 (being heat source water), be connected with the water inlet end of evaporimeter 3, heat source water carries out heat exchange with freon in evaporimeter 3, heat is absorbed by freon, temperature reduces the back and enters freezing pipe 1 by fairlead 9, carries out coming out from circulation pipe 2 after the heat exchange with soil and underground water, enters evaporimeter 3 again.Freon behind the absorption heat passes through compressor 4 compressions, and temperature rising pressure increases, and enters condenser 5, and the transfer of heat of freon is passed through choke valve 6 throttling decrease temperature and pressure to from user 7 recirculated water after temperature reduces, and enters in the evaporimeter 3 to absorb heat.Enter condenser 5 from the user 7 lower recirculated water of temperature that comes out, temperature is returned hot user 7 after raising.In summer, the water side of fairlead 9 (being low-temperature receiver water) is connected with the water inlet end of condenser 5, and low-temperature receiver water absorbs at condenser 5 and enters heat exchanger from circulation pipe 2 after the heat temperature raises, to soil and underground water discharges heat.Freon cools off the back by choke valve 6 throttlings in condenser 5, after the decrease temperature and pressure, enter evaporimeter 3 and absorb by heat in user 7 the chilled water, and temperature raises after compressor 4 compressions enter condenser 6 with heat transferred low-temperature receiver water.Chilled water in user 7 behind the absorption heat enters evaporimeter 3 heat releases, and temperature enters user 7 after reducing again.At the higher mine of freezing pipe temperature of lower, enter ground heat exchanger from the high temperature low-temperature receiver water that condenser 5 comes out from superficial part circulation pipe 8 summer, carry out heat exchange with the upper layer of soil and the underground water of heat exchanger, avoid of the harmful effect of the high-temperature region of freezing pipe bottom the heat extraction in summer.
Great advantage of the present utility model is the novel subterranean heat exchanger that utilizes freezing pipe and circulation pipe to be combined into, carry out heat exchange with soil and underground water efficiently, absorb heat or cold in soil and the underground water, thereby provide stable heating, the thermal source of bathing to the user in the winter time, provide stable cold source of air conditioning to the user summer.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 the utility model operation principle in winter and system schematic
Fig. 2 the utility model operation principle in summer and system schematic
Fig. 3 the utility model layering heat-obtaining operation principle and system schematic
Among the figure, 1. freezing pipe, 2. circulation pipe, 3. evaporimeter, 4. compressor, 5. condenser, 6. choke valve, 7. user, 8. superficial part circulation pipe, 9. fairlead.
The specific embodiment
In Fig. 1,8～18 ℃ the heat source water that from circulation pipe 2, comes out, enter release heat in the evaporimeter 3, after temperature is reduced to 2～10 ℃, enter freezing pipe 1 by fairlead 9 and continue to absorb heat, it is that 5～13 ℃ of compressed again machines 4 back temperature are elevated to 50～70 ℃ and enter condenser 5 that freon in the evaporimeter 3 absorbs behind the heat that temperature raises, and by choke valve 6, temperature was reduced to 0～8 ℃ and enters evaporimeter 3 after temperature was reduced to 45～65 ℃.40～50 ℃ the recirculated water of coming from user 7 raises through condenser 5 temperature after heating and enters user 7 again after being 45～65 ℃.
In the example shown in Figure 2,20～30 ℃ of cooling waters that come out from freezing pipe 1 are entered in the condenser 5 by fairlead 9, the temperature rising is 25～35 ℃ and enters circulation pipe 2 to soil and underground water discharges heat, temperature is reduced to 20～30 ℃ and is entered condenser 5 once more, after freon temperature in the condenser 5 is reduced to 25～30 ℃ from 30～35 ℃, reduce to through choke valve 6 temperature and to enter evaporimeter 3 about 3 ℃, temperature is increased to 8 ℃ of compressed machines 4 in the left and right sides and enters condenser 5 behind the heat of absorption refrigerating water, and 12 ℃ the chilled water that comes out from user 7 is reduced to after 7 ℃ through temperature behind the evaporimeter 3 and is entering the low-temperature receiver of user 7 as air-conditioning.
In the example shown in Figure 3,, enter freezing pipe 1 from superficial part circulation pipe 8 by the cooling water that comes out in the condenser 5, soil and underground water discharges heat to the superficial part lower temperature, avoid the adverse effect of the high temperature in freezing pipe deep to the cooling water heat extraction, the other parts operation principle is identical with Fig. 2, repeats no more.
Claims (5)
1. one kind is the heat pump assembly of ground heat exchanger with the freezing pipe, it is characterized in that comprising freezing pipe 1, circulation pipe 2, evaporimeter 3, compressor 4, condenser 5, choke valve 6, the user 7, superficial part circulation pipe 8, fairlead 9 and connecting line constitute, evaporimeter 3, compressor 4, condenser 5, the choke valve 6 formation refrigerating circuit that is linked in sequence, freezing pipe 1 constitutes underground energy acquisition loop with circulation pipe 2, superficial part circulation pipe 8, fairlead 9, evaporimeter 3, condenser 5.
2. according to claim 1, described a kind of be the heat pump assembly of ground heat exchanger with the freezing pipe, circulation pipe 2 water outlets connect the water inlet of evaporimeter 3 when it is characterized in that moving in the winter time, the water outlet of evaporimeter 3 connects the water inlet of fairlead 9.
3. according to claim 1, described a kind of be the heat pump assembly of ground heat exchanger with the freezing pipe, it is characterized in that when summer operation the water outlet of fairlead 9 connects the water inlet of condenser 5, the water outlet of condenser 5 connects the water inlet of circulation pipe 2.
4. according to claim 1, described a kind of be the heat pump assembly of ground heat exchanger with the freezing pipe, it is characterized in that 9 water inlets of winter operation fairlead, circulation pipe 2 water outlets, 2 water inlets of summer operation circulation pipe, fairlead 9 water outlets.
5. according to claim 1, described a kind of be the heat pump assembly of ground heat exchanger with the freezing pipe, it is characterized in that 8 water inlets of superficial part circulation pipe are connected with condenser 5 water outlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201091568U CN201522138U (en) | 2009-06-22 | 2009-06-22 | Heat pump device utilizing freezing pipe as underground heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201091568U CN201522138U (en) | 2009-06-22 | 2009-06-22 | Heat pump device utilizing freezing pipe as underground heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201522138U true CN201522138U (en) | 2010-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201091568U Expired - Fee Related CN201522138U (en) | 2009-06-22 | 2009-06-22 | Heat pump device utilizing freezing pipe as underground heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201522138U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288093A (en) * | 2016-09-30 | 2017-01-04 | 北京嘉华新源科技有限公司 | A kind of ground temperature accumulation of energy switch and method of construction thereof |
| CN108518894A (en) * | 2018-03-09 | 2018-09-11 | 南京酷朗电子有限公司 | Energy storage type buried pipe heat exchange system |
| CN110055996A (en) * | 2019-03-26 | 2019-07-26 | 同济大学 | A kind of construction method of freezing process joint earth source heat pump |
-
2009
- 2009-06-22 CN CN2009201091568U patent/CN201522138U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288093A (en) * | 2016-09-30 | 2017-01-04 | 北京嘉华新源科技有限公司 | A kind of ground temperature accumulation of energy switch and method of construction thereof |
| CN108518894A (en) * | 2018-03-09 | 2018-09-11 | 南京酷朗电子有限公司 | Energy storage type buried pipe heat exchange system |
| CN108518894B (en) * | 2018-03-09 | 2019-04-12 | 南京酷朗电子有限公司 | Energy storage type buried pipe heat exchange system |
| CN110055996A (en) * | 2019-03-26 | 2019-07-26 | 同济大学 | A kind of construction method of freezing process joint earth source heat pump |
| CN110055996B (en) * | 2019-03-26 | 2020-10-02 | 同济大学 | Construction method combining freezing method with ground source heat pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Hongyu Building No. 7 Beijing 100083 Haidian District Xueyuan Road room 1206 Patentee after: Beijing Zhongkuang Dayu Energy Saving Technology Co., Ltd. Address before: Ludwig 11 Schroder Residence Du Commerce A2-605 room 100083 Beijing City College of Haidian District Patentee before: Beijing Zhongkuang Dayu Energy Saving Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20160622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |