CN106152602A - A kind of combustion gas cold, heat and electricity triple supply and the hybrid system of earth source heat pump - Google Patents
A kind of combustion gas cold, heat and electricity triple supply and the hybrid system of earth source heat pump Download PDFInfo
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- CN106152602A CN106152602A CN201610694436.4A CN201610694436A CN106152602A CN 106152602 A CN106152602 A CN 106152602A CN 201610694436 A CN201610694436 A CN 201610694436A CN 106152602 A CN106152602 A CN 106152602A
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- heat
- water
- heat pump
- earth source
- source heat
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
- F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
- F02G5/02—Profiting from waste heat of exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
- F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
- F02B2043/103—Natural gas, e.g. methane or LNG used as a fuel
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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
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention discloses the hybrid system of a kind of combustion gas cold, heat and electricity triple supply and earth source heat pump, including gas internal-combustion engine device, gas internal-combustion engine device is connected with lithium bromide chiller, lithium bromide chiller is connected with flue gas heat-exchange unit by flue, flue gas heat-exchange unit is connected with boiler, and boiler is connected with earth source heat pump unit by water-supply-pipe, and lithium bromide chiller is connected with water knockout drum and water collector the most respectively, water knockout drum and water collector are all connected with earth source heat pump unit, and earth source heat pump unit is connected with heat-exchanger rig.The present invention breaks through tradition and utilizes the type of cooling of cooling tower, combination by equipment such as earth source heat pump unit, underground pipe heat-exchanger rig and fume hot-water type lithium bromide chiller, not only meet the supply of the demand of electricity consumption, domestic hot-water, also meet the demand that user is hot and cold；Not only having saved water resource but also achieve effective utilization of used heat, not only environmental protection, and made whole system the most energy-conservation, attractive in appearance, operating cost is low.
Description
Technical field
The present invention relates to the hybrid system of a kind of combustion gas cold, heat and electricity triple supply and earth source heat pump, belong to the distributed energy of combustion gas
Source, technical field of ground source heat pump.
Background technology
Energy supply and environmental issue have become as the Main Bottleneck of restriction Chinese Economy Development.Country will carry out for this
The energy sustainable development strategy " ensureing supply, energy conservation priority, structure optimization, environmental friendliness, market-driven ".Combustion gas cool and thermal power
Trilogy supply belongs to distributed energy, is that a kind of of Conventional thermoelectric coproduction evolves and development, is to realize energy-saving and emission-reduction and energy resource structure
One of most effective means optimized, are therefore employed in increasing engineering.But the technology of itself also has certain
Limitation, the such as electromotor used heat that unit self produces when generating all needs with the used heat produced when utilizing waste heat cooling summer
Cooling tower to be installed discharges to outside atmosphere, has not only wasted heat but also has added the water consumed for discharging used heat
Amount, adds operating cost and maintenance cost.
Summary of the invention
It is an object of the invention to, it is provided that a kind of combustion gas cold, heat and electricity triple supply and the hybrid system of earth source heat pump, this system
Combustion gas cold, heat and electricity triple supply technology being combined with ground source heat pump technology, it can make used heat that flue gas lithium bromide chiller produces by ground
Buried pipe heat-exchanging device absorbs, then is stored among underground, utilizes winter ground source heat pump technology by the heat extraction of storage
Out heat for building, i.e. make use of used heat to save again the water yield.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that: a kind of combustion gas cold, heat and electricity triple supply and ground
The hybrid system of source heat pump includes that gas internal-combustion engine device, gas internal-combustion engine device are connected with lithium bromide chiller, lithium bromide chiller
Being connected with flue gas heat-exchange unit by flue, flue gas heat-exchange unit is connected with boiler, and boiler passes through water-supply-pipe and ground source heat
Pump assembly connect, lithium bromide chiller is connected with water knockout drum and water collector the most respectively, water knockout drum and water collector all with earth source heat pump machine
Group connects, and earth source heat pump unit is connected with heat-exchanger rig, and heat-exchanger rig is connected with lithium bromide chiller with by used heat conveying pipe, changes
Thermal is embedded in below earth's surface.Lithium bromide chiller uses fume hot-water type lithium bromide chiller, and power consumption is low, efficiency is high for it.Source, ground
Source pump for extracting the heat energy stored in soil by heat-exchanger rig.When heat-exchanger rig can absorb lithium bromide chiller refrigeration
The used heat produced, and used heat is stored in the soil below of earth's surface；The heat energy that can will be stored in soil again extracts.
Aforesaid this combustion gas cold, heat and electricity triple supply is with the hybrid system of earth source heat pump, and described gas internal-combustion engine device leads to
Cross device for transformer to be connected with user side.Gas internal-combustion engine is transmitted electricity to user side by device for transformer, and unnecessary electricity is incorporated to electricity
Net.
Aforesaid this combustion gas cold, heat and electricity triple supply is with the hybrid system of earth source heat pump, and described gas internal-combustion engine device is also
Connect with the input pipe being passed through natural gas.
Aforesaid this combustion gas cold, heat and electricity triple supply is with the hybrid system of earth source heat pump, and described gas internal-combustion engine device divides
Tong Guo a circulating water pipe, b circulating water pipe, high-temperature flue gas pipe not be connected with lithium bromide chiller.In gas internal-combustion engine device work process
The used heat that self produces, passes it to lithium bromide chiller by circulation, and high temperature circulation water is carried by a circulating water pipe
To lithium bromide chiller, and the recirculated water after making cooling by b circulating water pipe is transmitted back to gas internal-combustion engine, circulates with this；In combustion gas
The high-temperature flue gas that combustion engine device produces after distributing electricity enters lithium bromide chiller by high-temperature flue gas pipe, and lithium bromide chiller can summer
Producing cold water is user's cooling, and winter, hot water preparing was that user heats.
In the hybrid system of aforesaid this combustion gas cold, heat and electricity triple supply and earth source heat pump, described lithium bromide chiller is by the
One conveying pipe connects with water knockout drum.
In the hybrid system of aforesaid this combustion gas cold, heat and electricity triple supply and earth source heat pump, described lithium bromide chiller is by the
Two conveying pipes connect with water collector.
Aforesaid this combustion gas cold, heat and electricity triple supply is with the hybrid system of earth source heat pump, and described earth source heat pump unit passes through
Circulation pipe connects with heat-exchanger rig.Heat-exchanger rig uses buried pipe heat exchanger, can be shifted by the used heat of collection and be stored in ground
In table soil below.
In the hybrid system of aforesaid this combustion gas cold, heat and electricity triple supply and earth source heat pump, described a circulating water pipe, first defeated
Send and be provided with water pump on pipe, water-supply-pipe, circulation pipe.
Compared with prior art, the present invention breaks through tradition and utilizes the type of cooling of cooling tower, by earth source heat pump unit,
The combination of the equipment such as buried pipe heat-exchanging device and fume hot-water type lithium bromide chiller, has not only saved the water resource of preciousness but also has realized
Effective utilization of used heat, not only environmental protection, and make the whole system the most energy-conservation, attractive in appearance, operating cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Reference: 1-gas internal-combustion engine device, 2-lithium bromide chiller, 3-flue, 4-flue gas heat-exchange unit, 5-hot water
Case, 6-earth source heat pump unit, 7-water knockout drum, 8-water collector, 9-heat-exchanger rig, 10-used heat conveying pipe, 11-device for transformer,
12-input pipe, 13-a circulating water pipe, 14-b circulating water pipe, 15-high-temperature flue gas pipe, 16-first carries pipe, 17-circulation pipe, 18-
Water-supply-pipe, 19-second carries pipe.
The present invention is further illustrated with detailed description of the invention below in conjunction with the accompanying drawings.
Detailed description of the invention
Embodiments of the invention 1: a kind of combustion gas cold, heat and electricity triple supply and the hybrid system of earth source heat pump, including combustion gas internal combustion
Machine 1, gas internal-combustion engine device 1 is connected with lithium bromide chiller 2, and lithium bromide chiller 2 is by flue 3 and flue gas heat-exchange unit
4 connect, and flue gas heat-exchange unit 4 is connected with boiler 5, and boiler 5 is connected with earth source heat pump unit 6 by water-supply-pipe 18, lithium bromide
Unit 2 is connected with water knockout drum 7 and water collector 8 the most respectively, and water knockout drum 7 and water collector 8 are all connected with earth source heat pump unit 6, source, ground
Source pump 6 is connected with heat-exchanger rig 9, and heat-exchanger rig 9 is connected with lithium bromide chiller 2 with by used heat conveying pipe 10, and heat exchange fills
Put 9 and be embedded in below earth's surface.
Embodiments of the invention 2: a kind of combustion gas cold, heat and electricity triple supply and the hybrid system of earth source heat pump, including combustion gas internal combustion
Machine 1, gas internal-combustion engine device 1 is connected with lithium bromide chiller 2, and lithium bromide chiller 2 is by flue 3 and flue gas heat-exchange unit
4 connect, and flue gas heat-exchange unit 4 is connected with boiler 5, and boiler 5 is connected with earth source heat pump unit 6 by water-supply-pipe 18, lithium bromide
Unit 2 is connected with water knockout drum 7 and water collector 8 the most respectively, and water knockout drum 7 and water collector 8 are all connected with earth source heat pump unit 6, source, ground
Source pump 6 is connected with heat-exchanger rig 9, and heat-exchanger rig 9 is connected with lithium bromide chiller 2 with by used heat conveying pipe 10, and heat exchange fills
Put 9 and be embedded in below earth's surface.Gas internal-combustion engine device 1 is connected with device for transformer 11.Device for transformer 11 is set to ensure system
The stability that system runs.Gas internal-combustion engine device 1 also connects with the input pipe 12 being passed through natural gas.1 point of gas internal-combustion engine device
Tong Guo a circulating water pipe 13, b circulating water pipe 14 and high-temperature flue gas pipe 15 not be connected with lithium bromide chiller 2.
Embodiments of the invention 3: a kind of combustion gas cold, heat and electricity triple supply and the hybrid system of earth source heat pump, including combustion gas internal combustion
Machine 1, gas internal-combustion engine device 1 is connected with lithium bromide chiller 2, and lithium bromide chiller 2 is by flue 3 and flue gas heat-exchange unit
4 connect, and flue gas heat-exchange unit 4 is connected with boiler 5, and boiler 5 is connected with earth source heat pump unit 6 by water-supply-pipe 18, lithium bromide
Unit 2 is connected with water knockout drum 7 and water collector 8 the most respectively, and water knockout drum 7 and water collector 8 are all connected with earth source heat pump unit 6, source, ground
Source pump 6 is connected with heat-exchanger rig 9, and heat-exchanger rig 9 is connected with lithium bromide chiller 2 with by used heat conveying pipe 10, and heat exchange fills
Put 9 and be embedded in below earth's surface.Gas internal-combustion engine device 1 is connected with device for transformer 11.Gas internal-combustion engine device 1 also be passed through sky
So the input pipe 12 of gas connects.Gas internal-combustion engine device 1 is respectively by a circulating water pipe 13, b circulating water pipe 14 and high-temperature flue gas pipe
15 are connected with lithium bromide chiller 2.Lithium bromide chiller 2 is connected with water knockout drum 7 by the first conveying pipe 16.Lithium bromide chiller 2 passes through
Second conveying pipe 19 connects with water collector 8.Earth source heat pump unit 6 is connected with heat-exchanger rig 9 by circulation pipe 17.A circulating water pipe
13, it is provided with water pump on the first conveying pipe 16, water-supply-pipe 18, circulation pipe 17.
A kind of operation principle of the embodiment of the present invention:
During summer, body will be produced by gas internal-combustion engine device 1 to customer power supply, gas internal-combustion engine device 1 generating
Waste heat and high-temperature flue gas (about 380 DEG C), body waste heat passes it to lithium bromide chiller 2, high-temperature flue gas by water circulation system
Lithium bromide chiller 2 is passed to by high-temperature flue gas pipeline 15；The used heat that lithium bromide chiller 2 refrigeration produces carries pipe 10 by used heat
It is delivered to outside ground formula heat-exchanger rig 9, is stored among the soil below of earth's surface by heat-exchanger rig 9；High-temperature flue gas warp
After lithium bromide chiller 2, temperature is down to 120 DEG C and is entered back into flue gas heat-exchange unit 4 for producing domestic hot-water.
During winter, utilize the used heat that summer is stored in soil by earth source heat pump unit 6 by buried tubular heat exchange device 9
And earth source heat pump unit 6 extracts, and the heat energy provided with fume hot-water type lithium bromide chiller 2 is delivered to user side together,
Heat for user side.
During season in spring and autumn, user does not has the demand of cooling and heating load, when gas internal-combustion engine device 1 is out of service, it is possible to individually
Operably source source pump 6 is by water-supply-pipe 18, provides the user domestic hot-water.
Thus, by earth source heat pump unit 6, underground pipe heat-exchanger rig 9 and fume hot-water type lithium bromide chiller 2, combustion gas
The combination of combustion engine device 1 equipment such as grade, utilizes the earth this good free energy storing apparatus of soil, had both achieved used heat
Utilization, abolished again the layout of cooling tower, not only reduced operating cost, and saved water resource.
Claims (8)
1. a combustion gas cold, heat and electricity triple supply and the hybrid system of earth source heat pump, it is characterised in that include gas internal-combustion engine device
(1), gas internal-combustion engine device (1) is connected with lithium bromide chiller (2), and described lithium bromide chiller (2) passes through flue (3) and cigarette
Gas heat exchanger (4) connects, and flue gas heat-exchange unit (4) is connected with boiler (5), and boiler (5) passes through water-supply-pipe (18) and ground source heat
Pump assembly (6) connects, and described lithium bromide chiller (2) is connected with water knockout drum (7) and water collector (8) the most respectively, described water knockout drum (7)
All being connected with earth source heat pump unit (6) with water collector (8), earth source heat pump unit (6) is connected with heat-exchanger rig (9), heat-exchanger rig
(9) being connected with lithium bromide chiller (2) with by used heat conveying pipe (10), described heat-exchanger rig (9) is embedded in below earth's surface.
A kind of combustion gas cold, heat and electricity triple supply the most according to claim 1 and the hybrid system of earth source heat pump, it is characterised in that
Described gas internal-combustion engine device (1) is connected with user side by device for transformer (11).
A kind of combustion gas cold, heat and electricity triple supply the most according to claim 2 and the hybrid system of earth source heat pump, it is characterised in that
Described gas internal-combustion engine device (1) also connects with the input pipe (12) being passed through natural gas.
4., according to the hybrid system of a kind of combustion gas cold, heat and electricity triple supply described in Claims 2 or 3 Yu earth source heat pump, its feature exists
In, described gas internal-combustion engine device (1) respectively by a circulating water pipe (13), b circulating water pipe (14) and high-temperature flue gas pipe (15) with
Lithium bromide chiller (2) connects.
A kind of combustion gas cold, heat and electricity triple supply the most according to claim 4 and the hybrid system of earth source heat pump, it is characterised in that
Described lithium bromide chiller (2) is connected with water knockout drum (7) by the first conveying pipe (16).
A kind of combustion gas cold, heat and electricity triple supply the most according to claim 5 and the hybrid system of earth source heat pump, it is characterised in that
Described lithium bromide chiller (2) is connected with water collector (8) by the second conveying pipe (19).
7., according to the hybrid system of a kind of combustion gas cold, heat and electricity triple supply described in claim 5 or 6 Yu earth source heat pump, its feature exists
In, described earth source heat pump unit (6) is connected with heat-exchanger rig (9) by circulation pipe (17).
A kind of combustion gas cold, heat and electricity triple supply the most according to claim 7 and the hybrid system of earth source heat pump, it is characterised in that
It is provided with water pump on described a circulating water pipe (13), the first conveying pipe (16), water-supply-pipe (18) and circulation pipe (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610694436.4A CN106152602A (en) | 2016-08-19 | 2016-08-19 | A kind of combustion gas cold, heat and electricity triple supply and the hybrid system of earth source heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610694436.4A CN106152602A (en) | 2016-08-19 | 2016-08-19 | A kind of combustion gas cold, heat and electricity triple supply and the hybrid system of earth source heat pump |
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| Publication Number | Publication Date |
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| CN106152602A true CN106152602A (en) | 2016-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610694436.4A Pending CN106152602A (en) | 2016-08-19 | 2016-08-19 | A kind of combustion gas cold, heat and electricity triple supply and the hybrid system of earth source heat pump |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930827A (en) * | 2017-03-13 | 2017-07-07 | 新奥泛能网络科技股份有限公司 | A kind of CCHP energy supplying system, method and device |
| CN108870804A (en) * | 2018-08-31 | 2018-11-23 | 华电郑州机械设计研究院有限公司 | A kind of building formula distributed energy resource system of no cooling tower |
| CN110185538A (en) * | 2019-05-29 | 2019-08-30 | 海南民生管道燃气有限公司 | One kind is provided multiple forms of energy to complement each other distributed energy resource system |
| CN110953768A (en) * | 2019-12-18 | 2020-04-03 | 张锦鹏 | Ground source heat pump device for villa |
| CN111336580A (en) * | 2020-03-19 | 2020-06-26 | 宁波市成大机械研究所 | Internal combustion heating and ground source heat pump coupling heating system |
| CN112119972A (en) * | 2020-09-22 | 2020-12-25 | 安徽大学 | Ecological mode of multi-energy complementary large-scale intelligent pig raising industry |
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| CN204027074U (en) * | 2014-08-18 | 2014-12-17 | 北京燃气能源发展有限公司 | A kind of combustion gas cold, heat and power triple supply system and earth-source hot-pump system energy supply coupled system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106930827A (en) * | 2017-03-13 | 2017-07-07 | 新奥泛能网络科技股份有限公司 | A kind of CCHP energy supplying system, method and device |
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| CN110953768A (en) * | 2019-12-18 | 2020-04-03 | 张锦鹏 | Ground source heat pump device for villa |
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| CN111336580A (en) * | 2020-03-19 | 2020-06-26 | 宁波市成大机械研究所 | Internal combustion heating and ground source heat pump coupling heating system |
| CN112119972A (en) * | 2020-09-22 | 2020-12-25 | 安徽大学 | Ecological mode of multi-energy complementary large-scale intelligent pig raising industry |
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