CN214148414U - Solar-driven cooling, heating and power cogeneration system - Google Patents
Solar-driven cooling, heating and power cogeneration system Download PDFInfo
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- CN214148414U CN214148414U CN202120164249.1U CN202120164249U CN214148414U CN 214148414 U CN214148414 U CN 214148414U CN 202120164249 U CN202120164249 U CN 202120164249U CN 214148414 U CN214148414 U CN 214148414U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 13
- 238000001816 cooling Methods 0.000 title claims abstract description 12
- 238000005338 heat storage Methods 0.000 claims abstract description 36
- 238000005057 refrigeration Methods 0.000 claims abstract description 23
- 238000010248 power generation Methods 0.000 claims abstract description 20
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 238000009825 accumulation Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract description 13
- 206010015856 Extrasystoles Diseases 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000005485 electric heating Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
The utility model discloses a solar drive's cold and hot electricity trigeminy produces system relates to the development and the utilization technical field of new forms of energy. The solar-driven combined cooling heating and power system comprises: the system comprises a groove type solar heat collection system, an organic Rankine cycle power generation system and an injection type refrigeration system; the trough type solar heat collection system comprises a trough type mirror field, a heat storage and heat storage tank, a hot oil pump, a first generator, a second generator, a heat exchanger, a heat storage and cold tank and a cold oil pump, wherein the trough type mirror field, the heat storage and heat storage tank, the hot oil pump, the first generator, the second generator, the heat exchanger, the heat storage and cold tank and the cold oil pump are sequentially connected through a heat conduction oil pipeline, and a circulation loop is formed. The utility model provides a solar drive's cold and hot electricity trigeminy produces system provides electric energy, heat energy and cold energy to the external world simultaneously, the effectual energy utilization efficiency who improves the system has improved the heat economy nature of system.
Description
Technical Field
The utility model relates to a development and the utilization technical field of the new forms of energy, concretely relates to solar drive's cold and hot electricity trigeminy produces system.
Background
With the development of industry and the improvement of living standard of human beings, the demand of various industries on electric energy is increased. At present, electric energy in China still mainly comes from thermal power generation, energy sources of the thermal power generation mainly depend on fossil energy, and the excessive use of the fossil energy causes serious environmental and climate problems. Therefore, in recent years, our country has paid more and more attention to the development and utilization of new energy.
Solar energy is a clean new energy with the largest resource quantity and the most extensive distribution on the earth, and the solar energy resources in China are very rich. At present, solar energy is gradually used for power generation, but the comprehensive utilization rate of energy is low, and the system economy is poor. How to solve the technical problems is a technical problem to be solved in the technical field of development and utilization of new energy at present.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the embodiment of the utility model provides a solar drive's cold and hot electricity cogeneration system to solve the problem that proposes in the above-mentioned background art.
The utility model provides a following technical scheme: a solar powered combined cooling, heating and power system comprising: the system comprises a groove type solar heat collection system, an organic Rankine cycle power generation system and an injection type refrigeration system;
the trough type solar heat collection system comprises a trough type mirror field, a heat storage and heat accumulation tank, a hot oil pump, a first generator, a second generator, a heat exchanger, a heat storage and cold tank and a cold oil pump, wherein the trough type mirror field, the heat storage and heat accumulation tank, the hot oil pump, the first generator, the second generator, the heat exchanger, the heat storage and cold tank and the cold oil pump are sequentially connected through a heat conduction oil pipeline and form a circulation loop;
the organic Rankine cycle power generation system comprises a first generator, an expander, a generator, a first condenser and an organic working medium circulating pump, wherein the first generator, the expander, the generator, the first condenser and the organic working medium circulating pump are sequentially connected through an organic working medium pipeline and form a circulating loop; the generator is coaxially connected with the expander;
the jet refrigeration system comprises a second generator, an ejector, a second condenser, a working medium circulating pump, a throttle valve and an evaporator, wherein the second generator, the ejector, the second condenser and the working medium circulating pump are sequentially connected through a pipeline and form power circulation of the jet refrigeration system; the ejector, the second condenser, the throttle valve and the evaporator are sequentially connected through pipelines, and a refrigeration cycle of the jet refrigeration system is formed.
Preferably, the heat conducting oil flowing through the first generator transfers the heat of the heat conducting oil to the organic working medium to serve as a heat source of the organic Rankine cycle power generation subsystem.
Preferably, the heat conducting oil flowing through the second generator transfers the heat of the heat conducting oil to the organic working medium to be used as a heat source of the jet refrigeration system.
The embodiment of the utility model provides a pair of solar drive's cold and hot electricity trigeminy produces system has following beneficial effect:
1. the solar-driven cooling, heating and power triple generation system provided by the utility model provides electric energy, heat energy and cold energy to the outside simultaneously, effectively improves the energy utilization efficiency of the system, and improves the heat economy of the system;
2. the utility model takes solar energy as a heat source and generates electricity through organic Rankine cycle, thereby realizing the utilization of new energy solar energy, reducing the consumption of fossil energy and reducing the emission of pollutants;
3. the utility model adds the double-tank heat storage unit consisting of the heat storage hot tank and the heat storage cold tank, and arranges the electric heating equipment in the heat storage hot tank, thereby reducing the influence of solar energy fluctuation on the system and increasing the stability of the system;
4. the utility model provides a solar drive's cold and hot electricity trigeminy produces system has taken the distributed energy supply mode, can shorten energy transmission distance, reduces the loss, and the total efficiency of system obtains improving.
Drawings
Fig. 1 is a schematic structural view of a solar-driven combined cooling, heating and power system;
in the figure: 1. the system comprises a groove type mirror field, 2 parts of a heat storage hot tank, 3 parts of a hot oil pump, 4 parts of a first generator, 5 parts of a second generator, 6 parts of a heat exchanger, 7 parts of a heat storage cold tank, 8 parts of a cold oil pump, 9 parts of an expander, 10 parts of a generator, 11 parts of a first condenser, 12 parts of an organic working medium circulating pump, 13 parts of an ejector, 14 parts of a second condenser, 15 parts of a working medium circulating pump, 16 parts of a throttle valve and 17 parts of an evaporator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, the technical personnel in the field can obtain all other embodiments without creative work, which all belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a solar-driven combined cooling, heating and power system.
To the problem that above-mentioned background art mentioned, the embodiment of the utility model provides a solar drive's cold and hot electricity three coproduction systems to solve above-mentioned technical problem, its technical scheme as follows:
a solar powered combined cooling, heating and power system comprising: the system comprises a groove type solar heat collection system, an organic Rankine cycle power generation system and an injection type refrigeration system.
The trough type solar heat collection system comprises a trough type mirror field 1, a heat storage and heat storage tank 2, a hot oil pump 3, a first generator 4, a second generator 5, a heat exchanger 6, a heat storage and cold tank 7 and a cold oil pump 8, wherein the trough type mirror field 1, the heat storage and heat storage tank 2, the hot oil pump 3, the first generator 4, the second generator 5, the heat exchanger 6, the heat storage and cold tank 7 and the cold oil pump 8 are sequentially connected through a heat conduction oil pipeline and form a circulation loop;
the groove type mirror field 1 is used for absorbing solar energy and heating heat conduction oil flowing through the groove type mirror field 1 to a certain temperature; an electric heating device is arranged in the heat storage tank 2, and the heat conduction oil can be heated by the electric heating device under the condition that the temperature of the heat conduction oil stored in the heat storage tank 2 does not accord with the working temperature range; the hot oil pump 3 and the cold oil pump 8 can adjust the flow of heat-conducting oil in a loop according to the system working load; and the heat exchanger 6 utilizes heat conduction oil to meet the external heat load requirement of the system.
The organic Rankine cycle power generation system comprises a first generator 4, an expander 9, a generator 10, a first condenser 11 and an organic working medium circulating pump 12, wherein the first generator 4, the expander 9, the first condenser 11 and the organic working medium circulating pump 12 are sequentially connected through an organic working medium pipeline to form a circulating loop; the generator 10 and the expander 9 are coaxially connected;
wherein, the expander 9 expands the organic working medium in the expander to do work; the generator 10 is driven by the expander 9 to generate electricity; the first condenser 11 is used for condensing the organic working medium at the outlet of the expansion machine 9 into a liquid state; and the organic working medium circulating pump 12 is used for providing power for the working medium circulation of the organic Rankine cycle power generation system.
The jet refrigeration system comprises a second generator 5, an ejector 13, a second condenser 14, a working medium circulating pump 15, a throttle valve 16 and an evaporator 17, wherein the second generator 5, the ejector 13, the second condenser 14 and the working medium circulating pump 15 are sequentially connected through pipelines and form power circulation of the jet refrigeration system; the ejector 13, the second condenser 14, the throttle valve 16, and the evaporator 17 are sequentially connected by a pipe, and form a refrigeration cycle of the ejector-type refrigeration system.
The ejector 13 is used for mixing a high-pressure circulating working medium and a low-pressure refrigerating working medium to form a high-pressure refrigerating working medium; a second condenser 14, in which the high-pressure refrigerant medium releases heat to the environment and condenses; the working medium circulating pump 15 is used for providing power for a circulating working medium of the jet refrigeration system; a throttle valve 16 through which the liquid refrigerant flows for pressure reduction; and in the evaporator 17, the liquid refrigeration working medium absorbs heat and gasifies in the evaporator, so that the external cold load requirement is met.
The trough-type solar heat collection system and the organic rankine cycle power generation system are connected by a common first generator 4, and the trough-type solar heat collection system and the injection refrigeration system are connected by a common second generator 5.
In the using process, the first generator 4 is used for providing a heat source for the organic Rankine cycle power generation system by using heat conduction oil, wherein the working medium on one side is heat conduction oil, and the working medium on one side is organic working medium in the organic Rankine cycle power generation system; and the working medium on one side of the second generator 5 is heat conduction oil, the working medium on one side of the second generator is a circulating working medium of the jet type refrigerating system, and the heat conduction oil is utilized to provide a heat source for the jet type refrigerating system.
The utility model relates to a solar drive's cold and hot electricity three cogeneration system theory of use as follows:
1. in the groove type solar heat collection system, a working medium of the groove type solar heat collection system is heat conduction oil, according to the solar irradiation intensity, cold heat conduction oil with a certain flow flows out of a heat storage cold tank 7 under the driving of a cold oil pump 8 and enters a groove type mirror field 1 through the cold oil pump 8, and the heat conduction oil absorbs heat in the groove type mirror field 1, is heated and then enters a heat storage hot tank 2 for storage; according to the system load, heat conduction hot oil with a certain flow flows out of the heat storage hot tank 2 under the driving of the hot oil pump 3, sequentially flows through the hot oil pump 3, the first generator 4, the second generator 5 and the heat exchanger 6, and finally returns to the heat storage cold tank 7 for storage; in the first generator 4, the heat conduction oil transfers heat to an organic working medium of the organic Rankine cycle power generation system to be used as a heat source of the organic Rankine cycle power generation system; in the second generator 5, the heat conduction oil transfers heat to the circulating working medium of the jet type refrigerating system to be used as a heat source of the jet type refrigerating system; in the heat exchanger 6, the heat conduction oil further releases heat to meet the external heat load requirement;
2. in the organic Rankine cycle power generation system, a working medium of the organic Rankine cycle power generation system is an organic working medium; the liquid organic working medium absorbs heat in the first generator 4 and is gasified to reach a saturated state, then enters the expansion machine 9, does work in the expansion machine 9, pushes the expansion machine 9 to drive the generator 10 to output electric energy to the outside, and meets the requirement of external electric load; the organic working medium after acting enters a first condenser 11 to release heat and condense, and then is changed into a liquid organic working medium, and the liquid organic working medium is pressurized by an organic working medium circulating pump 12 and then enters a first generator 4 again to carry out next circulation;
3. the ejector refrigeration system comprises two cycles: power cycles and refrigeration cycles; the high-pressure circulating working medium which absorbs heat and is gasified in the second generator 5 enters the ejector 13, is sprayed out at supersonic speed after passing through a convergent-divergent nozzle, and generates a low-pressure area near the nozzle, so that the low-pressure refrigerating working medium in the evaporator 17 is sucked into the ejector 13, and the two working media are mixed to form the high-pressure refrigerating working medium; the formed high-pressure refrigerant enters the second condenser 14 to release heat and condense; the formed liquid working medium is divided into two parts, one part is depressurized by a throttle valve 16 and then enters an evaporator 17 to absorb heat and be gasified, and the requirement of external cold load is met; the other part is boosted through a working medium circulating pump 15 and is called high-pressure circulating working medium; the high-pressure circulating working medium enters the second generator 5 again for next circulation.
The embodiment of the utility model provides a pair of solar drive's cold and hot electricity trigeminy produces system has following beneficial effect: the solar-driven cooling, heating and power triple generation system provided by the utility model provides electric energy, heat energy and cold energy to the outside simultaneously, effectively improves the energy utilization efficiency of the system, and improves the heat economy of the system; the utility model takes solar energy as a heat source and generates electricity through organic Rankine cycle, thereby realizing the utilization of new energy solar energy, reducing the consumption of fossil energy and reducing the emission of pollutants; the utility model adds the double-tank heat storage unit consisting of the heat storage hot tank and the heat storage cold tank, and arranges the electric heating equipment in the heat storage hot tank, thereby reducing the influence of solar energy fluctuation on the system and increasing the stability of the system; the utility model provides a solar drive's cold and hot electricity trigeminy produces system has taken the distributed energy supply mode, can shorten energy transmission distance, reduces the loss, and the total efficiency of system obtains improving.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept, and all such alterations and modifications shall fall within the scope of the appended claims.
Claims (3)
1. A solar-driven combined cooling, heating and power system, comprising: the system comprises a groove type solar heat collection system, an organic Rankine cycle power generation system and an injection type refrigeration system;
the trough type solar heat collection system comprises a trough type mirror field, a heat storage and heat accumulation tank, a hot oil pump, a first generator, a second generator, a heat exchanger, a heat storage and cold tank and a cold oil pump, wherein the trough type mirror field, the heat storage and heat accumulation tank, the hot oil pump, the first generator, the second generator, the heat exchanger, the heat storage and cold tank and the cold oil pump are sequentially connected through a heat conduction oil pipeline and form a circulation loop;
the organic Rankine cycle power generation system comprises a first generator, an expander, a generator, a first condenser and an organic working medium circulating pump, wherein the first generator, the expander, the generator, the first condenser and the organic working medium circulating pump are sequentially connected through an organic working medium pipeline and form a circulating loop; the generator is coaxially connected with the expander;
the jet refrigeration system comprises a second generator, an ejector, a second condenser, a working medium circulating pump, a throttle valve and an evaporator, wherein the second generator, the ejector, the second condenser and the working medium circulating pump are sequentially connected through a pipeline and form power circulation of the jet refrigeration system; the ejector, the second condenser, the throttle valve and the evaporator are sequentially connected through pipelines, and a refrigeration cycle of the jet refrigeration system is formed.
2. The solar-driven combined cooling heating and power system as claimed in claim 1, wherein the heat conducting oil flowing through the first generator transfers the heat to the organic working medium to serve as a heat source of the organic Rankine cycle power generation subsystem.
3. The solar-driven combined cooling heating and power system as claimed in claim 1, wherein the heat conducting oil flowing through the second generator transfers the heat to the organic working medium as the heat source of the injection refrigeration system.
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| CN202120164249.1U CN214148414U (en) | 2021-01-21 | 2021-01-21 | Solar-driven cooling, heating and power cogeneration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508869A (en) * | 2022-03-07 | 2022-05-17 | 郑州轻工业大学 | Solar energy-wind energy coupled cold-electricity combined energy source system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508869A (en) * | 2022-03-07 | 2022-05-17 | 郑州轻工业大学 | Solar energy-wind energy coupled cold-electricity combined energy source system |
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