CN109855152A - A kind of step flash distillation waste heat recycling combines the geothermal heating system of heat pump techniques - Google Patents
A kind of step flash distillation waste heat recycling combines the geothermal heating system of heat pump techniques Download PDFInfo
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- CN109855152A CN109855152A CN201910168446.8A CN201910168446A CN109855152A CN 109855152 A CN109855152 A CN 109855152A CN 201910168446 A CN201910168446 A CN 201910168446A CN 109855152 A CN109855152 A CN 109855152A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 73
- 239000002918 waste heat Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004064 recycling Methods 0.000 title claims abstract description 17
- 238000007701 flash-distillation Methods 0.000 title claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 239000007921 spray Substances 0.000 claims description 57
- 239000008236 heating water Substances 0.000 claims description 12
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 239000006200 vaporizer Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-PWCQTSIFSA-N Tritiated water Chemical compound [3H]O[3H] XLYOFNOQVPJJNP-PWCQTSIFSA-N 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
-
- 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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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The present invention is the geothermal heating system that a kind of step flashes that waste heat recycling combines heat pump techniques, including immersible pump, heating circulation pump, it further include primary flash device, two-stage flash device, submersible pump outlet is connect with primary flash device, primary flash device is connected with two-stage flash device, it further include first-stage condenser, secondary condenser, primary flash device is connect with first-stage condenser, two-stage flash device is connect with secondary condenser, it further include heat pump, heat pump is connect with secondary condenser, and heating circulation pump is connect with first-stage condenser, heat pump respectively.It is flashed using step and heat pump techniques is combined to construct novel geothermal heating system, the heat that two-stage flash device is recycled is as the heat source of heat pump main frame, to sufficiently recycle the heat in GEOTHERMAL WATER, heating system is small by the water quality impact of GEOTHERMAL WATER simultaneously, avoids underground heat salinity hot water bring serious scale.
Description
Technical field
The present invention relates to new energy developments to utilize technical field, and especially a kind of step flash distillation waste heat recycling combines heat pump skill
The geothermal heating system of art.
Background technique
It is most that recharge is directly heated after heating circulation water to recharge by plate heat exchanger at present in mid-deep strata geothermal heating system
Well.As the Chinese patent of Publication No. CN107270371A discloses a kind of same layer recharge electric heating pump type cascade utilization heating system
For geothermal heating system, the system mainly by adopting heat circulating system, heating cycle system two parts form, wherein adopting heat circulating system
Mainly by adopting water pump, adopting well, plate heat exchanger, the first valve, the second valve, electric heating pump, inverted well, third valve and the 4th
Valve composition, when operation, when GEOTHERMAL WATER temperature is higher than 40 DEG C, GEOTHERMAL WATER is directly entered in plate heat exchanger and heating water return carries out
Heat exchange enters thereafter electric heating pump condenser again and exchanges heat, and the low temperature geothermal water after heat exchange enters inverted well and carries out recharge.
But the water quality of GEOTHERMAL WATER is more complicated, GEOTHERMAL WATER is directly entered after heat exchanger that will cause fouling of heat exchangers tighter
The heat transfer effect of heat exchanger is caused to fail again, or even corrosion heat exchanger, meanwhile, majority is used for the geothermal tail water temperature ratios of recharge
It is higher, cause the waste of energy.
Summary of the invention
The purpose of the present invention is to solve existing geothermal heating systems directly to cause heat exchanger by plate heat exchanger heating
The problem that fouling is serious, heat transfer effect failure, even corrosion heat exchanger and the geothermal tail water temperature of recharge are relatively high, provides
A kind of step flash distillation waste heat recycling combines the geothermal heating system of heat pump techniques.
To realize the above-mentioned technical purpose, the invention adopts the following technical scheme:
A kind of step flash distillation waste heat recycling combines the geothermal heating system of heat pump techniques, including immersible pump, heating circulation water
Pump, further includes primary flash device, two-stage flash device, and submersible pump outlet is connect with the first underground heat water inlet of primary flash device, and one
First underground heat water out of grade flash vessel is connect with the second underground heat water inlet of two-stage flash device, further includes first-stage condenser, two
Grade condenser, the first steam outlet of primary flash device and the first steam entry of first-stage condenser connect, two-stage flash
Second steam outlet of device and the second steam entry of secondary condenser connect, and further include heat pump, the vaporizer side of heat pump
It exports and is connect with the second heating side entrance of secondary condenser, the evaporator of the second heating side outlet and heat pump of secondary condenser
The third of side entrance, heat pump is heated with the first of first-stage condenser respectively in side entrance connection, the outlet of the heating circulation pump
Side entrance connection is heated, the first heating side outlet of first-stage condenser and the third heating side outlet of heat pump connect heating water supplying pipe
Road.
Further, be additionally provided with geothermal reinjection pump, the condensed water in two-stage flash device, the condensed water in first-stage condenser with
And the condensed water in secondary condenser converge after enter geothermal reinjection pump.
Further, level-one spray pump, second level spray pump, level-one vacuum pump, two-stage vacuum pump, level-one spray pump are additionally provided with
Entrance, outlet be connected respectively with the first discharge outlet of primary flash device, the first spray inlet, the entrance of second level spray pump,
Outlet is connected with the second discharge outlet of two-stage flash device, the second spray inlet respectively, and the entrance and level-one of level-one vacuum pump are cold
First vacuum orifice of condenser is connected, and the entrance of two-stage vacuum pump is connected with the second vacuum orifice of secondary condenser.
Further, be additionally provided with waste heat circulation water pump, the entrance of waste heat circulation water pump and outlet respectively with the evaporation of heat pump
Second heating side entrance connection of device side outlet, secondary condenser.
Further, the entrance of the immersible pump connects underground heat water supply line, the entrance connection of the heating circulation pump
The outlet of heating water return pipeline, the geothermal reinjection pump connects geothermal tail water water-break pipeline.
Further, the outlet of the level-one spray pump connects the first spray piping, and the first spray piping puts in level-one sudden strain of a muscle
In steaming device, the first spray piping in primary flash device is equipped with opening, and opening forms spray head, and the outlet of the second level spray pump connects
The second spray piping is connect, the second spray piping is put in two-stage flash device, and the second spray piping in two-stage flash device is equipped with and opens
Mouthful, opening forms spray head.
Further, the outlet of the level-one vacuum pump and the outlet of the two-stage vacuum pump are all connected with row of air tubes.
Further, the heat pump is single-stage or multistage.
Compared with the prior art, the invention has the benefit that being flashed using step and combining heat pump techniques building novel
Geothermal heating system, the heat that two-stage flash device is recycled as the heat source of heat pump main frame, thus sufficiently recycle GEOTHERMAL WATER in
Heat, while it is smaller by the water quality impact of GEOTHERMAL WATER, avoid underground heat salinity hot water bring serious scale and influence to pass
The case where thermal effect, occurs, and system O&M amount is small, high reliablity, can play energy conservation, reduce maintenance workload and raising
The purpose of operational reliability.
Detailed description of the invention
Fig. 1 is the workflow letter that a kind of step of the present invention flashes that waste heat recycling combines the geothermal heating system of heat pump techniques
Figure.
In figure, 1- immersible pump, 2- primary flash device, the first underground heat of 21- water inlet, the first underground heat of 22- water out, 23-
One discharge outlet, the first spray inlet of 24-, the first steam outlet of 25-, 3- level-one spray pump, 4- two-stage flash device, 41-
Two underground heat water inlets, the second underground heat of 42- water out, the second discharge outlet of 43-, the second spray inlet of 44-, the second vapor of 45-
Outlet, 5- second level spray pump, 6- geothermal reinjection pump, 7- level-one vacuum pump, 8- first-stage condenser, the first steam entry of 81-,
82- first condenses water out, the first vacuum orifice of 83-, 84- first and heats side entrance, 85- first heating side outlet, 9- second level
Condenser, the second steam entry of 91-, 92- second condense water out, the second vacuum orifice of 93-, 94- second heat side entrance,
95- second heats side outlet, 10- two-stage vacuum pump, 11- waste heat circulation water pump, 12- heat pump, 121- evaporator side inlet, 122-
Vaporizer side outlet, 123- third heating side entrance, 124- third heating side outlet, 13- heating circulation pump, 14- underground heat supply
Waterpipe, 15- geothermal tail water water-break pipeline, 16- row of air tubes, 17- heating water return pipeline, 18- heating water supply line, 19-
First spray piping, the second spray piping of 20-.
Specific embodiment
Below by specific embodiment the technical scheme of the present invention will be further described explanation.
As shown in Figure 1, a kind of geothermal heating system of step flash distillation waste heat recycling in conjunction with heat pump techniques, including immersible pump 1,
Heating circulation pump 13, primary flash device 2, two-stage flash device 4, first-stage condenser 8, secondary condenser 9 and heat pump 12.Diving
1 outlet of pump is connect with the first underground heat water inlet 21 of primary flash device 2, the first underground heat water out 22 and two of primary flash device 2
The second underground heat water inlet 41 connection of grade flash vessel 4.The first steam outlet 25 and the first-stage condenser 8 of primary flash device 2
The connection of first steam entry 81.Second vapor of the second steam outlet 45 and secondary condenser 9 of two-stage flash device 4 enters
Mouth 91 connects.The vaporizer side outlet 122 of heat pump 12 is connect with the second heating side entrance 94 of secondary condenser 9, B-grade condensation
Second heating side outlet 95 of device 9 is connect with the evaporator side inlet 121 of heat pump 12.The outlet of heating circulation pump 13 respectively with
First heating side entrance 84 of first-stage condenser 8, the third heating side entrance 123 of heat pump 12 connect, and the first of first-stage condenser 8
The third of heating side outlet 85 and heat pump 12 heating side outlet 124 connects heating water supply line 18.
Immersible pump 1, primary flash device 2, two-stage flash device 4, first-stage condenser 8, secondary condenser 9 are ground hot side circulation.
Secondary condenser 9, heat pump 12 are intercycle.Heating circulation pump 13, first-stage condenser 8, heat pump 12 and associated conduit group
At the heating side circulatory system.Heat in GEOTHERMAL WATER can both pass to end confession by primary flash device 2, first-stage condenser 8
Heating system, and end heating system, therefore heating side can be passed to by two-stage flash device 4, secondary condenser 9, heat pump 12
Formula is flexible, and can sufficiently recycle the heat in GEOTHERMAL WATER.
In addition, system is additionally provided with geothermal reinjection pump 6, level-one spray pump 3, second level spray pump 5.Primary flash device 2 and second level
Flash vessel 4 is connected, and first-stage condenser 8 is in parallel with secondary condenser 9, in the condensed water, first-stage condenser 8 in two-stage flash device 4
Condensed water and secondary condenser 9 in condensed water converge after enter geothermal reinjection pump 6, guarantee heat exchange after underground heat water energy
It is enough smoothly to flow back to geothermal well.The entrance of level-one spray pump 3, outlet respectively with the first discharge outlet 23, first of primary flash device 2
Spray inlet 24 is connected, and level-one spray pump 3 makes the condensed water in primary flash device 2 constantly carry out self-loopa, increases evaporation effect
Fruit.The entrance of second level spray pump 5, outlet respectively with the second discharge outlet 43 of two-stage flash device 4,44 phase of the second spray inlet
Even, second level spray pump 5 makes the condensed water in two-stage flash device 4 constantly carry out self-loopa, increases evaporation effect.
System is additionally provided with level-one vacuum pump 7, two-stage vacuum pump 10, waste heat circulation water pump 11.The entrance of level-one vacuum pump 7 with
First vacuum orifice 83 of first-stage condenser 8 is connected, and level-one vacuum pump 7 extracts the incoagulable gas in first-stage condenser 8 out.Two
The entrance of grade vacuum pump 10 is connected with the second vacuum orifice 93 of secondary condenser 9, and two-stage vacuum pump 10 will be in secondary condenser 9
Incoagulable gas extraction.The air exported through level-one vacuum pump 7 is discharged after converging with the air exported through two-stage vacuum pump 10.
The entrance of waste heat circulation water pump 11 and outlet export the second heating of 122, secondary condenser 9 with the vaporizer side of heat pump 12 respectively
Side entrance 94 connects.The heat that waste heat circulation water pump 11 recycles two-stage flash device 4 is as the heat source of heat pump 12, to sufficiently return
Receive the heat in GEOTHERMAL WATER.
The entrance of immersible pump 1 connects underground heat water supply line 14, and the entrance of heating circulation pump 13 connects heating water return pipeline
17, the outlet of geothermal reinjection pump 6 connects geothermal tail water water-break pipeline 15.The outlet of level-one spray pump 3 connects the first spray piping
19, the first spray piping 19 is put in primary flash device 2, and the first spray piping 19 in primary flash device 2 is equipped with opening, opening
Form spray head.The outlet of second level spray pump 5 connects the second spray piping 20, and the second spray piping 20 is put in two-stage flash device 4,
The second spray piping 20 in two-stage flash device 4 is equipped with opening, and opening forms spray head.Hot water is after spray head ejection, from top to bottom
Sprinkling.The outlet of level-one vacuum pump 7 and the outlet 10 of two-stage vacuum pump are all connected with row of air tubes 16, and air is from row of air tubes
Discharge in 16.Heat pump is single-stage or multistage, meets institute's calorific requirement.
The working principle of the present embodiment are as follows: GEOTHERMAL WATER is from underground heat water supply line 14, through immersible pump 1, the first underground heat water inlet
21 enter in primary flash device 2.Level-one vacuum pump 7 is by 2 vacuum state of primary flash device, into primary flash device 2
GEOTHERMAL WATER rapid vaporization becomes steam, and steam is successively cold into level-one through the first steam outlet 25, the first steam entry 81
In condenser 8.In first-stage condenser 8, heating circulation medium flows in water pipe, and steam is outside water pipe, therefore steam is followed with heating
Ring medium carries out indirect heat exchange.The heat of steam release is passed through after increasing by heating circulation Absorption of Medium, heating circulation medium temperature
Heating water supply line 18 is sent to related heating area.Geothermal vapour after release heat becomes condensed water from the first condensation water out
82 are discharged, and a part of condensed water is also generated in primary flash device 2, and condensed water enters second level after the outflow of the first underground heat water out 22
In flash vessel 4.Two-stage vacuum pump 10 is rapid into the GEOTHERMAL WATER in two-stage flash device 4 by 4 vacuum state of two-stage flash device
Vaporization becomes steam, and the steam in two-stage flash device 4 successively enters two through the second steam outlet 45, the second steam entry 91
In grade condenser 9, vapor exothermic condensation in secondary condenser 9, the evaporator of the heat transfer of release to heat pump 12.Heating
Return water enters the condenser of heat pump 9, the heat of the evaporator release of sorption type heat pump 9, heating water temperature through heating water return pipeline 17
Related heating area is sent to through heating water supply line 18 after raising.The condensed water of secondary condenser 9 is through the second condensation water out 92
It is drained into geothermal reinjection pump 6.Condensed water a part in two-stage flash device 4 is drained into geothermal reinjection through the second underground heat water out 42
Pump 6.
The present embodiment flashes using step and heat pump techniques is combined to construct novel geothermal heating system, by two-stage flash device
Heat source of the heat of recycling as heat pump main frame, to sufficiently recycle the heat in GEOTHERMAL WATER, while by the water quality shadow of GEOTHERMAL WATER
The case where sound is smaller, avoids underground heat salinity hot water bring serious scale and influences heat-transfer effect generation, and system is transported
Dimension amount is small, high reliablity, can play energy conservation, reduces maintenance workload and improve the purpose of operational reliability.
The embodiments of the present invention have been described in detail above, for those of ordinary skill in the art, according to this
The thought provided is provided, will change in specific embodiment, and these changes also should be regarded as protection model of the invention
It encloses.
Claims (8)
1. a kind of step flash distillation waste heat recycling combines the geothermal heating system of heat pump techniques, including immersible pump (1), heating circulation water
It pumps (13), it is characterised in that:
It further include primary flash device (2), two-stage flash device (4), the first underground heat of immersible pump (1) outlet and primary flash device (2)
Water inlet (21) connection, the second GEOTHERMAL WATER of the first underground heat water out (22) and two-stage flash device (4) of primary flash device (2) enter
Mouth (41) connection；
It further include first-stage condenser (8), secondary condenser (9), the first steam outlet (25) and level-one of primary flash device (2)
The first steam entry (81) of condenser (8) connects；The second steam outlet (45) and B-grade condensation of two-stage flash device (4)
The second steam entry (91) of device (9) connects；
It further include heat pump (12), the second heating side entrance of the vaporizer side outlet (122) and secondary condenser (9) of heat pump (12)
(94) it connects, the second heating side outlet (95) of secondary condenser (9) is connect with the evaporator side inlet (121) of heat pump (12)；
Side entrance (84), heat pump are heated with the first of first-stage condenser (8) respectively in the outlet of the heating circulation pump (13)
(12) third heating side entrance (123) connection, the of the first heating side outlet (85) of first-stage condenser (8) and heat pump (12)
Three heating side outlet (124) connect heating water supply line (18).
2. step flash distillation waste heat recycling according to claim 1 combines the geothermal heating system of heat pump techniques, feature exists
In: it is additionally provided with geothermal reinjection pump (6), the condensed water in two-stage flash device (4), the condensed water and two in first-stage condenser (8)
Condensed water in grade condenser (9) enters geothermal reinjection pump (6) after converging.
3. step flash distillation waste heat recycling according to claim 1 combines the geothermal heating system of heat pump techniques, feature exists
In: it is additionally provided with level-one spray pump (3), second level spray pump (5), level-one vacuum pump (7), two-stage vacuum pump (10)；Level-one spray pump
(3) entrance, outlet are connected with the first discharge outlet (23) of primary flash device (2), the first spray inlet (24) respectively, second level
The entrance of spray pump (5), outlet respectively with the second discharge outlet (43) of two-stage flash device (4), the second spray inlet (44) phase
Even；The entrance of level-one vacuum pump (7) is connected with the first vacuum orifice (83) of first-stage condenser (8), two-stage vacuum pump (10)
Entrance is connected with the second vacuum orifice (93) of secondary condenser (9).
4. step flash distillation waste heat recycling according to claim 1 combines the geothermal heating system of heat pump techniques, feature exists
In: it is additionally provided with waste heat circulation water pump (11), the entrance of waste heat circulation water pump (11) and the outlet evaporator with heat pump (12) respectively
Second heating side entrance (94) connection of side outlet (122), secondary condenser (9).
5. step flash distillation waste heat recycling according to claim 1 combines the geothermal heating system of heat pump techniques, feature exists
In: the entrance of the immersible pump (1) connects underground heat water supply line (14), and the entrance of the heating circulation pump (13) connects heating
The outlet of water return pipeline (17), the geothermal reinjection pump (6) connects geothermal tail water water-break pipeline (15).
6. step flash distillation waste heat recycling according to claim 3 combines the geothermal heating system of heat pump techniques, feature exists
In:
The outlet of the level-one spray pump (3) connects the first spray piping (19), and the first spray piping (19) puts in primary flash
In device (2), the first spray piping (19) in primary flash device (2) is equipped with opening, and opening forms spray head；
The outlet of the second level spray pump (5) connects the second spray piping (20), and the second spray piping (20) puts in two-stage flash
In device (4), the second spray piping (20) in two-stage flash device (4) is equipped with opening, and opening forms spray head.
7. step flash distillation waste heat recycling according to claim 3 combines the geothermal heating system of heat pump techniques, feature exists
In: the outlet of the level-one vacuum pump (7) and the outlet of the two-stage vacuum pump (10) are all connected with row of air tubes (16).
8. described in any item step flash distillation waste heat recycling combine the geothermal heating system of heat pump techniques according to claim 1~7,
It is characterized by: the heat pump is single-stage or multistage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168446.8A CN109855152B (en) | 2019-03-06 | 2019-03-06 | Geothermal heating system combining cascade flash evaporation waste heat recovery with heat pump technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168446.8A CN109855152B (en) | 2019-03-06 | 2019-03-06 | Geothermal heating system combining cascade flash evaporation waste heat recovery with heat pump technology |
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| Publication Number | Publication Date |
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| CN109855152A true CN109855152A (en) | 2019-06-07 |
| CN109855152B CN109855152B (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910168446.8A Active CN109855152B (en) | 2019-03-06 | 2019-03-06 | Geothermal heating system combining cascade flash evaporation waste heat recovery with heat pump technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520804A (en) * | 2020-12-16 | 2021-03-19 | 东北电力大学 | High salt waste water flash evaporation concentration system of coupling solar energy collection |
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|---|---|---|---|---|
| JPS56124482A (en) * | 1980-03-05 | 1981-09-30 | Hitachi Zosen Corp | Harnessing device of geothermal hot water |
| CN202017587U (en) * | 2010-12-28 | 2011-10-26 | 徐毅 | Multi-stage flash terrestrial heat extracting power generating system |
| CN105888992A (en) * | 2016-04-20 | 2016-08-24 | 东南大学 | Solar energy and terrestrial heat combination two-level flash double-working-medium cycle power generation hot water system |
| CN206037201U (en) * | 2016-09-13 | 2017-03-22 | 北京金万众空调制冷设备有限责任公司 | Ground source heat pump set suitable for rural coal changes clean energy in north |
| CN210123169U (en) * | 2019-03-06 | 2020-03-03 | 中核坤华能源发展有限公司 | Geothermal heating system combining step flash evaporation waste heat recovery with heat pump technology |
-
2019
- 2019-03-06 CN CN201910168446.8A patent/CN109855152B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56124482A (en) * | 1980-03-05 | 1981-09-30 | Hitachi Zosen Corp | Harnessing device of geothermal hot water |
| CN202017587U (en) * | 2010-12-28 | 2011-10-26 | 徐毅 | Multi-stage flash terrestrial heat extracting power generating system |
| CN105888992A (en) * | 2016-04-20 | 2016-08-24 | 东南大学 | Solar energy and terrestrial heat combination two-level flash double-working-medium cycle power generation hot water system |
| CN206037201U (en) * | 2016-09-13 | 2017-03-22 | 北京金万众空调制冷设备有限责任公司 | Ground source heat pump set suitable for rural coal changes clean energy in north |
| CN210123169U (en) * | 2019-03-06 | 2020-03-03 | 中核坤华能源发展有限公司 | Geothermal heating system combining step flash evaporation waste heat recovery with heat pump technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520804A (en) * | 2020-12-16 | 2021-03-19 | 东北电力大学 | High salt waste water flash evaporation concentration system of coupling solar energy collection |
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| CN109855152B (en) | 2023-12-29 |
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