CN110094897B - Efficient and flexible interactive distributed energy supply system and operation method thereof - Google Patents
Efficient and flexible interactive distributed energy supply system and operation method thereof Download PDFInfo
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- CN110094897B CN110094897B CN201910281995.6A CN201910281995A CN110094897B CN 110094897 B CN110094897 B CN 110094897B CN 201910281995 A CN201910281995 A CN 201910281995A CN 110094897 B CN110094897 B CN 110094897B
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- flow distribution
- distribution device
- rankine cycle
- organic rankine
- absorption refrigeration
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- 230000002452 interceptive effect Effects 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000010521 absorption reaction Methods 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 238000005057 refrigeration Methods 0.000 claims abstract description 43
- 239000000779 smoke Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical group [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 20
- 239000003546 flue gas Substances 0.000 claims description 20
- 239000002918 waste heat Substances 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 7
- 239000000178 monomer Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
- F01K27/02—Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat
-
- 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
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
-
- 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
-
- 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
- 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]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
Abstract
The invention relates to a high-efficiency flexible interactive distributed energy supply system and an operation method thereof, wherein the system comprises a prime motor series, an absorption refrigeration/heating series device and an organic Rankine cycle series device, a smoke outlet of the prime motor series is connected with a first smoke flow distribution device, and the first smoke flow distribution device is respectively connected with the absorption refrigeration/heating series device and the organic Rankine cycle series device; the absorption refrigeration/heating serial device is connected with a second smoke flow distribution device, and the second smoke flow distribution device is respectively connected with the organic Rankine cycle serial device and the heat exchanger; the cylinder liner water outlet of the prime motor series is connected with a cylinder liner water flow distribution device, and the cylinder liner water flow distribution device is respectively connected with an absorption refrigeration/heating series device and an organic Rankine cycle series device. The design of the invention ensures that the system can efficiently and flexibly operate under different working conditions, and solves the difficult problems of energy efficiency and energy matching of the distributed energy system.
Description
Technical Field
The invention belongs to the field of energy sources, and particularly relates to a high-efficiency flexible interactive distributed energy source energy supply system and an operation method thereof.
Background
The distributed energy is used as a leading edge technology for greatly saving energy, is one of leading edge technologies in the field of technological development planning energy, has the advantages of being small, efficient, clean, close to users and the like, and has important practical significance and profound strategic significance for a modern energy system with low carbon, safety and high efficiency in construction countries.
The distributed energy system is mainly used for supplying energy to schools, hospitals, hotels, businesses and the like, such as China patent with application number 201711125230.0, the energy consumption of a user group is characterized by severe seasonal variation and larger day-night fluctuation, no effective technical measure is formed in the prior distributed energy system, the change of the user group can be adapted in different seasons and different time periods, and meanwhile, the energy consumption is high-efficiency and flexible. The energy of the distributed energy system is not effectively utilized, the system can not achieve comprehensive high efficiency all the year round or all the day round, effective interconnection and intercommunication are not formed among a plurality of devices, and high-efficiency and flexible association is not established in different energy utilization modes.
Aiming at the defects, the invention provides the high-efficiency flexible interactive distributed energy supply system and the operation method thereof, which are used for linking and interconnecting interaction among different devices, establishing the high-efficiency flexible interactive energy supply relationship between the distributed energy supply system and the user group and having great social and economic benefits.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a high-efficiency flexible interactive distributed energy supply system and an operation method thereof, which solve the problems of energy efficiency and energy matching of the distributed energy supply system.
The invention solves the problems by adopting the following technical scheme: the efficient and flexible interactive distributed energy supply system comprises a prime motor, an absorption refrigeration/heating series device and an organic Rankine cycle series device, and is characterized in that a smoke outlet of the prime motor is connected with a first smoke flow distribution device, and the first smoke flow distribution device is respectively connected with the absorption refrigeration/heating series device and the organic Rankine cycle series device; the absorption refrigeration/heating series device is connected with a second smoke flow distribution device, and the second smoke flow distribution device is respectively connected with the organic Rankine cycle series device and the heat exchanger; the cylinder sleeve water outlet of the prime motor is connected with a cylinder sleeve water flow distribution device, and the cylinder sleeve water flow distribution device is respectively connected with an absorption refrigeration/heating series device and an organic Rankine cycle series device; the prime motor, the absorption refrigeration/heating series device, the organic Rankine cycle series device, the first smoke flow distribution device, the second smoke flow distribution device and the cylinder sleeve water flow distribution device are all connected with the comprehensive regulation and control system.
Further, the prime motor and the organic Rankine cycle series device are connected with an electric power supply system, the absorption refrigeration/heating series device is connected with a cold/hot energy supply system, and the heat exchanger is connected with a heat supply system.
The operation method of the high-efficiency flexible interactive distributed energy supply system is characterized by comprising the following steps of:
the waste heat of the prime motor is divided into two types, one type is flue gas waste heat, and the other type is cylinder sleeve water waste heat; the flue gas waste heat enters a first flue gas flow distribution device, and the high-temperature flue gas flows entering an absorption refrigeration/heating series device and an organic Rankine cycle series device are flexibly switched according to the change of external working conditions; the flue gas after passing through the absorption refrigeration/heating series device is also divided into two paths, and the two paths enter the heat exchanger and the organic Rankine cycle series device respectively, and are flexibly adjusted according to different working conditions; and the cylinder sleeve water waste heat flexibly switches the cylinder sleeve water quantity entering the absorption refrigeration/heating series device and the organic Rankine cycle series device according to the change of external working conditions through the cylinder sleeve water flow distribution device.
Furthermore, the prime motor, the absorption refrigeration/heating series device, the organic Rankine cycle series device, the first smoke flow distribution device, the second smoke flow distribution device and the cylinder sleeve water flow distribution device are regulated and controlled by the comprehensive regulation and control system, so that the system can efficiently and flexibly operate under different working conditions.
Compared with the prior art, the invention has the following advantages and effects:
1. through the arrangement of the absorption refrigeration/heating series device and the organic Rankine cycle series device, the heat of the smoke of the prime motor is efficiently and flexibly utilized.
2. The smoke quantity and the cylinder sleeve water quantity entering the absorption refrigeration/heating series device and the organic Rankine cycle series device are flexibly adjusted by arranging a first smoke flow distribution device, a second smoke flow distribution device and a cylinder sleeve water flow distribution device; by arranging the first smoke flow distribution device and the second smoke flow distribution device, the smoke flow and the smoke quality entering the organic Rankine cycle series device are flexibly adjusted.
3. The absorption refrigeration/heating device is arranged to efficiently and flexibly adjust the amount of monomer equipment input by the absorption refrigeration/heating system under different working conditions, so that the system can operate in a high-efficiency area under different working conditions.
4. The organic Rankine cycle series device is arranged to efficiently and flexibly adjust the amount of monomer equipment input by the organic Rankine cycle system under different working conditions, so that the system can operate in a high-efficiency area under different working conditions.
5. Through the comprehensive regulation and control system, under different operation conditions, the system can achieve high-efficiency and flexible operation effects under different operation conditions by adjusting the prime motor, the smoke flow distribution device, the cylinder sleeve water flow distribution device, the absorption refrigeration/heating series device and the organic Rankine cycle series device.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present invention.
In the figure: the system comprises a prime motor 1, an absorption refrigeration/heating series device 2, an organic Rankine cycle series device 3, a first smoke flow distribution device 4, a second smoke flow distribution device 5, a cylinder sleeve water flow distribution device 6, a heat exchanger 7 and a comprehensive regulation and control system 8.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and not limited to the following examples.
Examples
Referring to fig. 1, the efficient and flexible interactive distributed energy supply system in the present embodiment includes a prime mover 1, an absorption refrigeration/heating serial device 2 and an organic rankine cycle serial device 3, wherein a flue gas outlet of the prime mover 1 is connected with a first flue gas flow distribution device 4, and the first flue gas flow distribution device 4 is respectively connected with the absorption refrigeration/heating serial device 2 and the organic rankine cycle serial device 3; the absorption refrigeration/heating serial device 2 is connected with a second smoke flow distribution device 5, and the second smoke flow distribution device 5 is respectively connected with the organic Rankine cycle serial device 3 and the heat exchanger 7; the cylinder liner water outlet of the prime motor 1 is connected with a cylinder liner water flow distribution device 6, and the cylinder liner water flow distribution device 6 is respectively connected with an absorption refrigeration/heating series device 2 and an organic Rankine cycle series device 3; the prime motor 1, the absorption refrigeration/heating series device 2, the organic Rankine cycle series device 3, the first smoke flow distribution device 4, the second smoke flow distribution device 5 and the cylinder sleeve water flow distribution device 6 are all connected with the comprehensive regulation and control system 8.
The prime motor 1 and the organic Rankine cycle series device 3 are both connected with an electric power supply system, the absorption refrigeration/heating series device 2 is connected with a cold/hot energy supply system, and the heat exchanger 7 is connected with a heat supply system.
The operation process is as follows:
the waste heat of the prime motor 1 is divided into two types, one type is flue gas waste heat, and the other type is cylinder sleeve water waste heat; the flue gas waste heat enters a first flue gas flow distribution device 4, and the high-temperature flue gas flows entering an absorption refrigeration/heating series device 2 and an organic Rankine cycle series device 3 are flexibly switched according to the change of external working conditions; the flue gas after passing through the absorption refrigeration/heating series device 2 is also divided into two paths, and enters the heat exchanger 7 and the organic Rankine cycle series device 3 respectively, and the flue gas is flexibly adjusted according to different working conditions; the cylinder liner water waste heat is flexibly switched into the cylinder liner water quantity of the absorption refrigeration/heating series device 2 and the organic Rankine cycle series device 3 through the cylinder liner water flow distribution device 6 according to the change of external working conditions.
The prime motor 1, the absorption refrigeration/heating series device 2, the organic Rankine cycle series device 3, the first smoke flow distribution device 4, the second smoke flow distribution device 5 and the cylinder sleeve water flow distribution device 6 are regulated and controlled by the comprehensive regulation and control system 8, so that the system can efficiently and flexibly operate under different working conditions.
Although the present invention is described with reference to the above embodiments, it should be understood that the invention is not limited to the embodiments described above, but is capable of modification and variation without departing from the spirit and scope of the present invention.
Claims (2)
1. The system comprises a prime motor (1), an absorption refrigeration/heating series device (2) and an organic Rankine cycle series device (3), and is characterized in that a smoke outlet of the prime motor (1) is connected with a first smoke flow distribution device (4), and the first smoke flow distribution device (4) is respectively connected with the absorption refrigeration/heating series device (2) and the organic Rankine cycle series device (3); the absorption refrigeration/heating serial device (2) is connected with a second smoke flow distribution device (5), and the second smoke flow distribution device (5) is respectively connected with the organic Rankine cycle serial device (3) and the heat exchanger (7); the cylinder sleeve water outlet of the prime motor (1) is connected with a cylinder sleeve water flow distribution device (6), and the cylinder sleeve water flow distribution device (6) is respectively connected with an absorption refrigeration/heating series device (2) and an organic Rankine cycle series device (3); the prime motor (1), the absorption refrigeration/heating serial device (2), the organic Rankine cycle serial device (3), the first smoke flow distribution device (4), the second smoke flow distribution device (5) and the cylinder sleeve water flow distribution device (6) are all connected with the comprehensive regulation and control system (8);
the waste heat of the prime motor (1) is divided into two types, one type is flue gas waste heat, and the other type is cylinder sleeve water waste heat; the flue gas waste heat enters a first flue gas flow distribution device (4), and the high-temperature flue gas flows entering an absorption refrigeration/heating series device (2) and an organic Rankine cycle series device (3) are flexibly switched according to the change of external working conditions; the flue gas after passing through the absorption refrigeration/heating series device (2) is also divided into two paths, and the two paths enter the heat exchanger (7) and the organic Rankine cycle series device (3) respectively, and are flexibly adjusted according to different working conditions; the cylinder sleeve water waste heat flexibly switches the cylinder sleeve water quantity entering the absorption refrigeration/heating series device (2) and the organic Rankine cycle series device (3) according to the change of external working conditions through the cylinder sleeve water flow distribution device (6);
the prime motor (1), the absorption refrigeration/heating series device (2), the organic Rankine cycle series device (3), the first smoke flow distribution device (4), the second smoke flow distribution device (5) and the cylinder sleeve water flow distribution device (6) are regulated and controlled by the comprehensive regulation and control system (8), so that the system can efficiently and flexibly operate under different working conditions;
the absorption refrigeration/heating serial devices (2) are arranged to efficiently and flexibly adjust the amount of monomer equipment input by the absorption refrigeration/heating system under different working conditions, so that the system can operate in an efficient area under different working conditions;
the organic Rankine cycle series device (3) is arranged to efficiently and flexibly adjust the amount of monomer equipment input into the organic Rankine cycle system under different working conditions, so that the system can operate in an efficient area under different working conditions;
through comprehensive regulation and control system, under different operating conditions, through adjustment prime mover (1), flue gas flow distribution device, cylinder liner water flow distribution device (6), absorption refrigeration/heating serial devices (2) and organic Rankine cycle serial devices (3), make the system reach high-efficient nimble operation effect under different operating conditions.
2. A high-efficiency flexible interactive distributed energy supply method according to claim 1, characterized in that the prime mover (1) and the organic rankine cycle series device (3) are both connected with an electric power supply system, the absorption refrigeration/heating series device (2) is connected with a cold/hot energy supply system, and the heat exchanger (7) is connected with a heat supply system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910281995.6A CN110094897B (en) | 2019-04-09 | 2019-04-09 | Efficient and flexible interactive distributed energy supply system and operation method thereof |
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| CN201910281995.6A CN110094897B (en) | 2019-04-09 | 2019-04-09 | Efficient and flexible interactive distributed energy supply system and operation method thereof |
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| CN110094897B true CN110094897B (en) | 2023-11-28 |
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| CN114061173A (en) * | 2022-01-13 | 2022-02-18 | 华电电力科学研究院有限公司 | Energy cascade utilization system and method for multi-energy complementary distributed energy system |
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| CN210292416U (en) * | 2019-04-09 | 2020-04-10 | 华电电力科学研究院有限公司 | Efficient, flexible and interactive distributed energy supply system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9328659B2 (en) * | 2012-11-13 | 2016-05-03 | Institute Of Engineering Thermophysics, Chinese Academy Of Sciences | Distributed combined cooling, heating and power generating apparatus and method with internal combustion engine by combining solar energy and alternative fuel |
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Patent Citations (5)
| 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 |
| CN107178436A (en) * | 2017-02-28 | 2017-09-19 | 上海发电设备成套设计研究院 | A kind of cold, heat and power triple supply system and method |
| CN108469132A (en) * | 2018-03-06 | 2018-08-31 | 华电电力科学研究院有限公司 | A kind of distributed energy resource system and control method based on Demand-side energy supply |
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