CN213540507U - Combined heat and power system - Google Patents
Combined heat and power system Download PDFInfo
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- CN213540507U CN213540507U CN202022866423.5U CN202022866423U CN213540507U CN 213540507 U CN213540507 U CN 213540507U CN 202022866423 U CN202022866423 U CN 202022866423U CN 213540507 U CN213540507 U CN 213540507U
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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
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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Abstract
The utility model provides a combined heat and power system, include: the system comprises a high-temperature heat medium heating device, a high-temperature pump, a working medium pump, a preheater, an evaporator, an ORC expansion generator, a condenser, heat utilization equipment and a heat supply circulating water pump. The outlet of the high-temperature pump is connected to the inlet of the high-temperature heat medium heating device; an outlet of the high-temperature heat medium heating device is connected to a heat source inlet of the evaporator; a heat source outlet of the evaporator connected to a heat source inlet of the preheater; and a heat source outlet of the preheater is connected to an inlet of the high temperature pump, thereby forming a high temperature heat medium fluid circulation. Has the advantages that: (1) in the system, renewable energy is completely converted into electric energy and useful heat energy, zero emission of waste heat is realized, and the utilization rate of the renewable energy is improved; (2) by utilizing the combined heat and power system, the combined heat and power process can be simplified, and the cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of renewable energy, concretely relates to cogeneration system.
Background
A large amount of renewable energy sources such as geothermal energy, solar energy, biomass energy and the like exist in China, can be built into a regional performance source station, and simultaneously has the functions of power supply and heat supply. In the conventional scheme, power supply and heat supply are generally designed independently, so that a large amount of low-grade heat still needs to be discharged to the environment in the power generation process.
SUMMERY OF THE UTILITY MODEL
The utility model provides a defect to prior art existence, the utility model provides a combined heat and power system can effectively solve above-mentioned problem.
The utility model adopts the technical scheme as follows:
the utility model provides a combined heat and power system, include: the system comprises a high-temperature heat medium heating device (1), a high-temperature pump (2), a working medium pump (3), a preheater (4), an evaporator (5), an ORC expansion generator (6), a condenser (7), a heat utilization device (8) and a heat supply circulating water pump (9);
the outlet of the high-temperature pump (2) is connected to the inlet of the high-temperature heat medium heating device (1); an outlet of the high-temperature heat medium heating device (1) is connected to a heat source inlet of the evaporator (5); a heat source outlet of the evaporator (5) connected to a heat source inlet of the preheater (4); a heat source outlet of the preheater (4) is connected to an inlet of the high temperature pump (2), thereby forming a high temperature heat medium fluid circulation;
the outlet of the working medium pump (3) is connected to the cold source inlet of the preheater (4); the cold source outlet of the preheater (4) is connected to the cold source inlet of the evaporator (5); the cold source outlet of the evaporator (5) is connected to the working medium inlet of the ORC expansion generator (6); the working medium outlet of the ORC expansion generator (6) is connected to the heat source inlet of the condenser (7); -the heat source outlet of the condenser (7) is connected to the inlet of the working fluid pump (3), thereby forming an ORC power generation thermodynamic cycle;
the outlet of the heat supply circulating water pump (9) is connected to the cold source inlet of the condenser (7); a cold source outlet of the condenser (7) is connected to an inlet of the heat utilization equipment (8); the outlet of the heat utilization equipment (8) is connected to the inlet of the heating circulating water pump (9), so that the heating fluid circulation is formed.
Preferably, the high-temperature heating medium heating device (1) is a biomass combustion boiler.
Preferably, the high-temperature heating medium heating device (1) is a solar photo-thermal station.
The utility model provides a combined heat and power system has following advantage:
(1) in the system, renewable energy is completely converted into electric energy and useful heat energy, zero emission of waste heat is realized, and the utilization rate of the renewable energy is improved;
(2) by utilizing the combined heat and power system, the combined heat and power process can be simplified, and the cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a cogeneration system provided by the present invention.
Wherein:
1-high temperature heat medium heating device, 2-high temperature pump, 3-working medium pump, 4-preheater, 5-evaporator, 6-ORC expansion generator, 7-condenser, 8-heat utilization equipment and 9-heat supply circulating water pump.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In order to improve the energy utilization rate, the utility model provides a combined heat and power system when power supply and heat supply, has realized the used heat zero release.
Referring to fig. 1, the cogeneration system comprises: the system comprises a high-temperature heat medium heating device 1, a high-temperature pump 2, a working medium pump 3, a preheater 4, an evaporator 5, an ORC expansion generator 6, a condenser 7, a heat utilization device 8 and a heat supply circulating water pump 9; wherein, the high-temperature heating medium heating device 1 is a biomass combustion boiler or a solar photo-thermal station.
An outlet of the high-temperature pump 2 is connected to an inlet of the high-temperature heating medium heating device 1; an outlet of the high-temperature heat medium heating device 1 connected to a heat source inlet of the evaporator 5; a heat source outlet of the evaporator 5 connected to a heat source inlet of the preheater 4; a heat source outlet of the preheater 4 is connected to an inlet of the high temperature pump 2, thereby forming a high temperature heat medium fluid circulation;
the outlet of the working medium pump 3 is connected to the cold source inlet of the preheater 4; a cold source outlet of the preheater 4 is connected to a cold source inlet of the evaporator 5; the cold source outlet of the evaporator 5 is connected to the working medium inlet of the ORC expansion generator 6; the working medium outlet of the ORC expansion generator 6 is connected to the heat source inlet of the condenser 7; the heat source outlet of the condenser 7 is connected to the inlet of the working fluid pump 3, thereby forming an ORC power generation thermodynamic cycle;
the outlet of the heat supply circulating water pump 9 is connected to the cold source inlet of the condenser 7; a cold source outlet of the condenser 7 is connected to an inlet of the heat using device 8; the outlet of the heat utilization device 8 is connected to the inlet of the heating circulating water pump 9, thereby forming a heating fluid circulation.
The working principle of the combined heat and power system is as follows:
the high-temperature pump 2 sends the heat medium fluid into the high-temperature heat medium heating device 1, the high-temperature heat medium fluid is heated by the high-temperature heat medium heating device 1, then passes through the evaporator 5 and the preheater 4 of the ORC generator set in sequence, is cooled and then returns to the high-temperature pump 2, and the circulation of the heat medium fluid is completed.
The liquid organic working medium is driven by the working medium pump 3, sequentially passes through the preheater 4 and the evaporator 5, is heated into a gaseous working medium, then enters the ORC expansion generator 6 to do work, supplies power to the outside, and then enters the condenser 7 to be condensed into a liquid working medium, and returns to the working medium pump 3 to complete thermodynamic cycle.
And the heat supply circulating water pump 9 sends the heat supply circulating water into a condenser 7 of the ORC generator set, the heat supply circulating water is sent into the heat utilization equipment 8 after being heated, and the heat utilization equipment 8 returns to the heat supply circulating water pump 9 after being cooled to finish heat supply circulation.
Therefore, the utility model provides a combined heat and power system, structurally from the system, including high temperature heat medium circulation system, ORC power generation system and heating system.
The high-temperature heat medium circulating system comprises a high-temperature heat medium heating device 1, a high-temperature pump 2, a preheater 4, an evaporator 5, high-temperature heat medium fluid, relevant pipeline valves and the like. Wherein the heat medium fluid is in the form of heat conducting oil, hot water, water vapor or high-temperature liquid molten salt and the like.
The ORC power generation system comprises an ORC generator set, a pipeline valve and the like. The ORC generator set comprises an ORC expansion generator 6, a condenser 7, a working medium pump 3, a preheater 4, an evaporator 5, an organic working medium, a pipeline valve and the like. The heat rejected by the ORC power generation system provides heat directly to the user.
The heating system comprises a heat utilization device 8, a heating circulating water pump 9, a condenser 7, heating circulating water, relevant pipeline valves and the like.
The utility model provides a combined heat and power system has following advantage:
(1) in the system, renewable energy is completely converted into electric energy and useful heat energy, zero emission of waste heat is realized, and the utilization rate of the renewable energy is improved;
(2) by utilizing the combined heat and power system, the combined heat and power process can be simplified, and the cost is reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (3)
1. A cogeneration system, comprising: the system comprises a high-temperature heat medium heating device (1), a high-temperature pump (2), a working medium pump (3), a preheater (4), an evaporator (5), an ORC expansion generator (6), a condenser (7), a heat utilization device (8) and a heat supply circulating water pump (9);
the outlet of the high-temperature pump (2) is connected to the inlet of the high-temperature heat medium heating device (1); an outlet of the high-temperature heat medium heating device (1) is connected to a heat source inlet of the evaporator (5); a heat source outlet of the evaporator (5) connected to a heat source inlet of the preheater (4); a heat source outlet of the preheater (4) is connected to an inlet of the high temperature pump (2), thereby forming a high temperature heat medium fluid circulation;
the outlet of the working medium pump (3) is connected to the cold source inlet of the preheater (4); the cold source outlet of the preheater (4) is connected to the cold source inlet of the evaporator (5); the cold source outlet of the evaporator (5) is connected to the working medium inlet of the ORC expansion generator (6); the working medium outlet of the ORC expansion generator (6) is connected to the heat source inlet of the condenser (7); -the heat source outlet of the condenser (7) is connected to the inlet of the working fluid pump (3), thereby forming an ORC power generation thermodynamic cycle;
the outlet of the heat supply circulating water pump (9) is connected to the cold source inlet of the condenser (7); a cold source outlet of the condenser (7) is connected to an inlet of the heat utilization equipment (8); the outlet of the heat utilization equipment (8) is connected to the inlet of the heating circulating water pump (9), so that the heating fluid circulation is formed.
2. The cogeneration system according to claim 1, characterized in that said high temperature heating medium heating means (1) is a biomass fired boiler.
3. The cogeneration system according to claim 1, characterized in that said high temperature heating medium heating means (1) is a solar photo-thermal station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022866423.5U CN213540507U (en) | 2020-12-02 | 2020-12-02 | Combined heat and power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022866423.5U CN213540507U (en) | 2020-12-02 | 2020-12-02 | Combined heat and power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213540507U true CN213540507U (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022866423.5U Active CN213540507U (en) | 2020-12-02 | 2020-12-02 | Combined heat and power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213540507U (en) |
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2020
- 2020-12-02 CN CN202022866423.5U patent/CN213540507U/en active Active
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Denomination of utility model: Cogeneration system Effective date of registration: 20211222 Granted publication date: 20210625 Pledgee: Beijing ustron Tongsheng financing Company limited by guarantee Pledgor: BEIJING HUAHANG SHENGSHI ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2021990001188 |