CN102997312A - Distribution type energy and underground water source thermal pump coupling system - Google Patents
Distribution type energy and underground water source thermal pump coupling system Download PDFInfo
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- CN102997312A CN102997312A CN2012104760781A CN201210476078A CN102997312A CN 102997312 A CN102997312 A CN 102997312A CN 2012104760781 A CN2012104760781 A CN 2012104760781A CN 201210476078 A CN201210476078 A CN 201210476078A CN 102997312 A CN102997312 A CN 102997312A
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- heat
- heat exchanger
- underground water
- heat pump
- thermal pump
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a distribution type energy and underground water source thermal pump coupling system. Natural gas is burnt by a gas engine to drive an electric generator, and the electric generator is used for generating electricity to drive an underground water source thermal pump to produce a part of heat; meanwhile smoke exhausted by the gas engine enters into an absorption type thermal pump, the absorption type thermal pump is used for absorbing the heat of smoke exhausted by the gas engine, a heat supply pipeline is used for directly supplying heat for a building, the tail gas of the smoke exhausted by the absorption type thermal pump after supplying heat enters into a condensation heat exchanger, and thus the other part of heat is recycled; and during the recycling process of waste heat, the waste heat of the smoke exhausted by the condensation heat exchanger takes up 10 percent of the amount of heat produced by combustion of total natural gas, through a steam-water heat exchanger, the waste heat exhausted by the condensation heat exchanger is substituted into underground water of the underground water source thermal pump system, so that at least 9 percent of waste heat can be recycled, the temperature of the underground water rises 2 DEG C, and meanwhile the efficiency of the thermal pump is improved by around 6 percent a second time due to the temperature rise of underground water.
Description
Technical field
The present invention relates to a kind of distributed energy and water resource heat pump coupled system, especially a kind of distributed energy and groundwater heat pump coupled system.
Background technology
In recent years, for alleviating Global climate change to the impact of human survival, countries in the world all will be improved efficiency of energy utilization and be promoted the development of clean energy resource to rise to national strategy.Distributed energy as 21 century science with can best mode be surging forward, obtained extensive attention and the application of countries in the world.The U.S. has more than 6000 Regional Energy station now, Japan's Regional Energy station total installation of generating capacity reaches 9,200,000 kilowatts, wherein 50% act as a fuel with natural gas, existing 5,000,000 kilowatts of Britain's Regional Energy station total installation of generating capacity, there is 40% electric power in Holland from the natural gas cold, heat and power triple supply system, and Denmark's distributed energy accounts for half of its energy total amount.Natural gas occupies more and more important position in energy resource structure, simultaneously seasonal short of electricity becomes a kind of energy supply and demand contradiction of being badly in need of solving, one of energy-conservation theme that becomes era development.Present building energy consumption 80% belongs to low-grade energy, but many employings electric power and the fire coal of energy are provided for it, and " high-quality low usefulness " belongs to waste.
Summary of the invention
In order better to economize on resources, take full advantage of the energy, the present invention proposes a kind of distributed energy and groundwater heat pump coupled system, utilize the gas engine generating, again the flue gas waste gas with heat is further reclaimed, thereby realization improves energy utilization rate to the cascade utilization of the energy.
Technical scheme of the present invention is: whole system comprises distributed energy subsystem and groundwater heat pump subsystem, and wherein the distributed energy subsystem comprises: gas engine, generator, condensing heat exchanger, absorption heat pump; The groundwater heat pump subsystem comprises: groundwater heat pump, vapor-water heat exchanger, water return pipeline, underground water pipeline, exhaust emission pipe, heat supply pipeline.Combustion of natural gas drives generator, and the generator generating is as the power supply of groundwater heat pump; The flue gas of simultaneously gas engine generation enters absorption heat pump, and the heat that absorption heat pump is prepared is space heating; The flue tail gas that absorption heat pump gives off is discharged into condensing heat exchanger; The flue gas of discharging after the condensing heat exchanger heat exchange enters into vapor-water heat exchanger, and heat exchange waste gas is later discharged by exhaust emission pipe; Underground water pipeline is introduced vapor-water heat exchanger with underground water, and the flue gas of discharging after the condensing heat exchanger heat exchange enters into vapor-water heat exchanger, and vapor-water heat exchanger is replaced the heat in the flue gas in the underground water.
Usually the sewage source heat pump system of northern China, winter, the underground water water temperature excessively lowly caused ground water temperature excessively low, caused the groundwater heat pump can not normal boot-strap.And in said system, condensing heat exchanger gives off all natural gas firing that fume afterheat accounts for and produces 10% of heat, the present invention replaces this part heat amount in the underground water of groundwater heat pumps by vapor-water heat exchanger, can reclaim at least 9% waste heat, can make the temperature of underground water improve 2 ℃, the simultaneously raising of underground water water temperature can improve heat pump efficiency about 6% again.
Coupling by distributed energy and groundwater heat pump, realize that the system capacity step takes full advantage of, according to the performance of heat pump (Energy Efficiency Ratio be 4.0 consider), 40% electric power that gas engine sends can produce heat or the cold more than 160%, in conjunction with the primary energy comprehensive utilization ratio of distributed energy resource system more than 40%, primary energy comprehensive utilization ratio in conjunction with the NG Distributed Energy System of heat pump techniques can reach more than 200%, is enhanced about more than once than conventional system energy efficiency.Native system can also make the electric energy of online difficulty be fully used, and by the water resource heat pump heating, the benefit of the Distribution of Natural formula energy is further promoted, and promotes the benign development of industry.
The invention has the beneficial effects as follows: native system has been realized the taking full advantage of of NG Distributed Energy System fume afterheat improved entire system efficient.
Description of drawings
Fig. 1 is schematic diagram of the present invention.
1. gas engines among the figure, 2. generator, 3. condensing heat exchanger, 4. absorption heat pump, 5. groundwater heat pump, 6. vapor-water heat exchanger, 7. underground water pipeline, 8. water return pipeline, 9. heat supply pipeline, 10. exhaust emission pipe.
The specific embodiment
In the drawings, natural gas 1 burning drives generator 2, and generator 2 generatings are as the power supply of groundwater heat pump 5; The flue gas of simultaneously gas engine 1 generation enters absorption heat pump 4, and the heat that absorption heat pump 4 is prepared is space heating; The flue tail gas that absorption heat pump 4 gives off is discharged into condensing heat exchanger 3; The flue gas of discharging after condensing heat exchanger 3 heat exchange enters into vapor-water heat exchanger 6, and heat exchange waste gas is later discharged by exhaust emission pipe 10; The flue gas of discharging after condensing heat exchanger 3 heat exchange enters into vapor-water heat exchanger 6, and underground water pipeline 7 is incorporated into vapor-water heat exchanger 6 with underground water, and vapor-water heat exchanger 6 is replaced the heat in the flue gas in the underground water.
The present invention does not limit to and the present embodiment, and protection scope of the present invention is all classified in any equivalent concepts or change in the technical scope that the present invention discloses as.
Claims (1)
1. a distributed energy and groundwater heat pump coupled system, whole system comprises distributed energy subsystem and groundwater heat pump subsystem, and wherein the distributed energy subsystem comprises: gas engine (1), generator (2), condensing heat exchanger (3), absorption heat pump (4); The groundwater heat pump subsystem comprises: groundwater heat pump (5), vapor-water heat exchanger (6), underground water pipeline (7), water return pipeline (8), heat supply pipeline (9) exhaust emission pipe (10); It is characterized in that: natural gas (1) burning drives generator (2), and generator (2) generating is as the power supply of groundwater heat pump (5); The flue gas of simultaneously gas engine (1) generation enters absorption heat pump (4), and the heat that absorption heat pump (4) is prepared is space heating; The flue tail gas that absorption heat pump (4) gives off is discharged into condensing heat exchanger (3); The flue gas of discharging after condensing heat exchanger (3) heat exchange enters into vapor-water heat exchanger (6), and heat exchange waste gas is later discharged by exhaust emission pipe (10); The flue gas of discharging after condensing heat exchanger (3) heat exchange enters into vapor-water heat exchanger (6), and underground water pipeline (7) is introduced vapor-water heat exchanger (6) with underground water, and vapor-water heat exchanger (6) is replaced the heat in the flue gas in the underground water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104760781A CN102997312A (en) | 2012-11-22 | 2012-11-22 | Distribution type energy and underground water source thermal pump coupling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104760781A CN102997312A (en) | 2012-11-22 | 2012-11-22 | Distribution type energy and underground water source thermal pump coupling system |
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| Publication Number | Publication Date |
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| CN102997312A true CN102997312A (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012104760781A Pending CN102997312A (en) | 2012-11-22 | 2012-11-22 | Distribution type energy and underground water source thermal pump coupling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089344A (en) * | 2016-07-25 | 2016-11-09 | 华电电力科学研究院 | The distributed energy electricity generation system of a kind of waste heat Multi-class propagation and method |
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2012
- 2012-11-22 CN CN2012104760781A patent/CN102997312A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089344A (en) * | 2016-07-25 | 2016-11-09 | 华电电力科学研究院 | The distributed energy electricity generation system of a kind of waste heat Multi-class propagation and method |
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Application publication date: 20130327 |