CN213119592U - Multi-energy complementary power generation and heating and refrigeration comprehensive utilization system - Google Patents
Multi-energy complementary power generation and heating and refrigeration comprehensive utilization system Download PDFInfo
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- CN213119592U CN213119592U CN202020834609.XU CN202020834609U CN213119592U CN 213119592 U CN213119592 U CN 213119592U CN 202020834609 U CN202020834609 U CN 202020834609U CN 213119592 U CN213119592 U CN 213119592U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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Abstract
本申请属于能源利用技术领域，尤其涉及一种多能互补发电及供暖、制冷综合利用系统。本申请提供一种多能互补发电及供暖、制冷综合利用系统，包括冷凝换热子系统、光热换热子系统、制冷子系统、供热管网、ORC发电子系统和驱动热源子系统；通过设置与光热换热子系统相连的ORC发电子系统，进行光热能量转换并发电，再将供热管网与光热换热子系统通过换热器相连，实现良好的光热利用，使其转化为供热管网中工质的热量，另外，通过设置制冷子系统，将光热能量用于制冷；通过实施本申请，可同时满足发电、供热和制冷的三种用户需求，由于本申请中所采用的能量均来自光热和电厂余热，为清洁能源，对环境友好，适于推广应用。
The present application belongs to the technical field of energy utilization, and in particular relates to a multi-energy complementary power generation and comprehensive utilization system for heating and cooling. The present application provides a multi-energy complementary power generation and comprehensive utilization system for heating and cooling, including a condensation heat exchange subsystem, a photothermal heat exchange subsystem, a refrigeration subsystem, a heating pipe network, an ORC power generation subsystem and a drive heat source subsystem; By setting up the ORC power generation subsystem connected to the photothermal heat exchange subsystem, the photothermal energy is converted and generated, and then the heat supply pipe network and the photothermal heat exchange subsystem are connected through a heat exchanger to achieve good photothermal utilization. It can be converted into the heat of the working medium in the heating pipe network. In addition, by setting up a cooling subsystem, the light and heat energy can be used for cooling; Since the energy used in this application comes from light heat and power plant waste heat, it is clean energy, is environmentally friendly, and is suitable for popularization and application.
Description
Technical Field
The application relates to the technical field of energy utilization, in particular to a comprehensive utilization system for multi-energy complementary power generation, heating and refrigeration.
Background
Currently, due to the wide utilization of fossil energy, the combustion of fossil energy generates a large amount of greenhouse gases and other harmful substances, which have great influence on the environment and attract general attention of people. In order to reduce the environmental pollution caused by the consumption of fossil energy, people make continuous efforts in two aspects: on one hand, the consumption of fossil energy is saved by improving the utilization efficiency of the fossil energy; on the other hand, other clean energy sources are developed to replace a part of fossil energy sources so as to reduce the use of the fossil energy sources.
The reserves of conventional fossil energy are gradually reduced, but a large amount of low-temperature waste heat such as waste water and waste gas generated in the combustion process is not efficiently recycled, and a part of steel enterprises still need to start a small coal-fired boiler with high energy consumption and low efficiency in winter heating or directly consume high-quality steam for heating, and the heating mode can cause the steam supply difficulty and even influence the smooth production of steel and the like due to the difference of air consumption in winter and summer. Therefore, many factors have promoted the development of heat pump technology, which is also increasingly widely used. The multifunctional complementary mode is adopted, and is particularly implemented in a condensation heat central heating power plant, so that the heat pump system is beneficial to good effect, the heat load utilization rate of the power plant is improved, the coal consumption is reduced, the water consumption is saved, the economical efficiency of the operation of the power plant is improved, and better economic and social benefits are obtained.
However, an efficient multi-energy complementary energy utilization system is lacked to achieve the purposes of improving energy utilization efficiency, reducing fossil energy consumption, saving energy and reducing emission.
Disclosure of Invention
The application provides a comprehensive utilization system for energy complementary power generation, heating and refrigeration, and aims to solve the problems that an efficient multi-energy complementary energy utilization system is needed at present, the energy utilization efficiency is improved, the fossil energy consumption is reduced, and energy conservation and emission reduction are realized.
The technical scheme adopted by the application is as follows:
a multi-energy complementary power generation and heating and refrigeration comprehensive utilization system comprises a condensation heat exchange subsystem, a photo-thermal heat exchange subsystem, a refrigeration subsystem, a heating pipe network, an ORC power generation subsystem and a driving heat source subsystem;
the condensation heat exchange subsystem is connected with the heat supply pipe network through a heat pump, and the photo-thermal heat exchange subsystem is connected with the heat supply pipe network through a heat exchanger;
the condensation heat exchange subsystem comprises a condenser and a condensation heat supply pipe network, the condenser is arranged in the condensation heat supply pipe network, circulating cooling water in the condenser absorbs latent heat of exhaust steam of the steam turbine and then flows into the heat pump, water in the heat supply pipe network is heated through the heat pump, the condensation heat supply pipe network is connected with the cooling tower, and the condensation heat exchange system is used for cooling steam turbine exhaust steam and reducing the loss of a cold source of the unit;
the photo-thermal heat exchange subsystem comprises a photo-thermal heat collector and a photo-thermal heat supply pipe network, wherein the photo-thermal heat collector is used for conducting photo-thermal to a heat supply working medium and then conveying the heat supply working medium to the photo-thermal heat supply pipe network;
the driving heat source subsystem leads out a driving pipe network from the photo-thermal heat supply pipe network, and the driving pipe network passes through the heat pump along the flow direction of the heat supply working medium and then is connected into the photo-thermal heat collector in a backflow mode;
the refrigeration subsystem comprises a refrigeration energy absorption unit and a compression refrigeration unit, the refrigeration energy absorption unit comprises a photo-thermal collector, an energy absorption pipeline and a water pump arranged in the energy absorption pipeline, the compression refrigeration unit comprises an evaporator, a compressor and a refrigeration pipeline, the evaporator and the compressor are sequentially arranged in the refrigeration pipeline, and the refrigeration energy absorption unit is connected with the compression refrigeration unit through a condenser;
the ORC power generation subsystem is connected with the photo-thermal heat supply pipe network through the heat exchanger, the ORC power generation subsystem comprises an ORC working medium pipe network, an ORC device and a power generator, and the ORC device absorbs energy of the photo-thermal heat supply pipe network through working media in the ORC working medium pipe network and is used for generating power for the power generator.
Optionally, the heating system further comprises a heating subunit, wherein the heating subunit is arranged in the energy absorption pipeline in the refrigeration energy absorption unit and is positioned at one side of the inlet end of the photo-thermal collector and one side of the outlet end of the condenser.
Optionally, the refrigeration system further comprises a throttling device, wherein the throttling device is arranged in the refrigeration pipeline and is positioned at one side of the outlet end of the condenser and the inlet end of the evaporator.
Optionally, the generator is connected to the compressor, and the generator is used for supplying power to the compressor.
Optionally, still include the water pump, the water pump sets up in the light and heat supply pipe network and in the heat supply pipe network.
Optionally, still include the water valve, the water valve setting is in the light and heat supply pipe network.
Optionally, still include the moisturizing pump, the moisturizing pump sets up in the light and heat supply pipe network.
Optionally, the system further comprises a sub-level heat supply pipe network, and the sub-level heat supply pipe network is connected with the heat supply pipe network through a sub-level heat exchange station.
Optionally, the heat supply system further comprises a heater, wherein the heater is arranged in the heat supply pipe network.
The technical scheme of the application has the following beneficial effects:
the multifunctional complementary power generation and heating and refrigeration comprehensive utilization system comprises a condensation heat exchange subsystem, a photo-thermal heat exchange subsystem, a refrigeration subsystem, a heating pipe network, an ORC power generation subsystem and a driving heat source subsystem; the ORC power generation subsystem connected with the photo-thermal heat exchange subsystem is arranged to convert the light heat energy and generate power, and then the heat supply pipe network is connected with the photo-thermal heat exchange subsystem through the heat exchanger, so that good photo-thermal utilization is realized, and the heat is converted into heat of working media in the heat supply pipe network; through implementing this application, can satisfy three kinds of user demands of electricity generation, heat supply and refrigeration simultaneously, because the energy that adopts all comes from light and heat in this application, for clean energy, friendly to the environment, be suitable for popularization and application.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a schematic structural diagram of another embodiment of the present application;
illustration of the drawings:
the system comprises a condensation heat exchange subsystem 1, a condenser 11, a condensation heat supply pipe network 12, a photo-thermal heat exchange subsystem 2, a photo-thermal heat collector 21, a photo-thermal heat supply pipe network 22, a refrigeration subsystem 3, a refrigeration energy absorption unit 31, a photo-thermal heat collector 311, a 312-water pump 313, a temperature rise subunit 32, a compression refrigeration unit 321, an evaporator 322, a compressor 322, a 323-throttling device, a condenser 33, a 4-heat supply pipe network, a 41-sub-level heat supply pipe network, a 5-ORC power generation subsystem 51, an ORC device 52, a 6-driving heat source subsystem, a 7-heat exchanger, an 8-heat pump, a 9-heat exchanger and a 10-water replenishing pump.
Detailed Description
Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following examples do not represent all embodiments consistent with the present application. But merely as exemplifications of systems and methods consistent with certain aspects of the application, as recited in the claims.
Referring to fig. 1, a schematic structural diagram of an embodiment of the present application is shown.
The comprehensive utilization system for multi-energy complementary power generation, heating and refrigeration comprises a condensation heat exchange subsystem 1, a photo-thermal heat exchange subsystem 2, a refrigeration subsystem 3, a heat supply pipe network 4, an ORC power generation subsystem 5 and a driving heat source subsystem 6;
the condensation heat exchange subsystem 1 is connected with the heat supply pipe network through a heat pump 8, and the photo-thermal heat exchange subsystem 2 is connected with the heat supply pipe network through a heat exchanger 7;
the condensation heat exchange subsystem 1 comprises a condenser 11 and a condensation heat supply pipe network 12, the condenser 11 is arranged in the condensation heat supply pipe network 12, circulating cooling water in the condenser 11 absorbs latent heat of exhaust steam of a steam turbine and then flows into the heat pump 8, water in the heat supply pipe network is heated through the heat pump 8, the condensation heat supply pipe network 12 is connected with a cooling tower, and the condensation heat exchange system is used for cooling steam turbine exhaust steam and reducing the loss of a cold source of a unit;
the photo-thermal heat exchange subsystem 2 comprises a photo-thermal heat collector 21 and a photo-thermal heat supply pipe network 22, wherein the photo-thermal heat collector 21 is used for conducting photo-thermal to a heat supply working medium and then conveying the heat supply working medium to the photo-thermal heat supply pipe network 22;
the driving heat source subsystem 6 is characterized in that a driving pipe network is led out from the photo-thermal heat supply pipe network 22 by the driving heat source subsystem 6, passes through the heat pump 8 along the flow direction of the heat supply working medium and then is connected into the photo-thermal heat collector 21 in a backflow mode;
the refrigeration subsystem 3 comprises a refrigeration energy absorption unit 31 and a compression refrigeration unit 32, the refrigeration energy absorption unit 31 comprises a photo-thermal heat collector 311, an energy absorption pipeline and a water pump 312 arranged in the energy absorption pipeline, the compression refrigeration unit 32 comprises an evaporator 321, a compressor 322 and a refrigeration pipeline, the evaporator 321 and the compressor 322 are sequentially arranged in the refrigeration pipeline, and the refrigeration energy absorption unit 31 and the compression refrigeration unit 32 are connected through a condenser 33;
the ORC power generation subsystem 5 is connected with the photo-thermal heat supply pipe network 22 through a heat exchanger 9, the ORC power generation subsystem 5 comprises an ORC working medium pipe network, an ORC device 51 and a generator 52, and the ORC device 51 absorbs energy of the photo-thermal heat supply pipe network 22 through working media in the ORC working medium pipe network and is used for generating power for the generator 52.
In this embodiment, in actual use, each subsystem and the heat supply pipe network should be filled with corresponding working mediums, so as to facilitate the brief description of the structure of the present application, the working mediums and the types of the working mediums in each subsystem are not all shown, even if so, those skilled in the art should understand and conclusively infer the existence of the working mediums when necessary. In addition, in this embodiment, condensation heat transfer subsystem 1 is used for collecting the steam energy that the steam turbine discharged, because steam itself contains partly energy, this part of energy has been lost usually, does not have recycle, and this embodiment is through retrieving this part of steam, carries the energy to the heat supply pipe network through heat pump 8, is favorable to the energy saving, and the environmental protection is clean moreover, has satisfied the energy demand of partly heat supply pipe network. In addition, the photo-thermal heat collector 21 absorbs the energy of the sunlight, and transmits the energy to the photo-thermal heat supply network 22 through the heat supply working medium, and then the energy is transmitted to the heat supply network through the heat exchanger 7.
Optionally, the cooling system further comprises a heating subunit 313, wherein the heating subunit 313 is arranged in the energy-absorbing pipeline in the refrigeration energy-absorbing unit 31 and is located at one side of the inlet end of the photothermal heat collector 311 and the outlet end of the condenser 33.
Referring to fig. 2, in the present embodiment, the temperature increasing subunit 313 is used to heat the working medium in the energy absorbing pipeline, and the temperature increasing subunit 313 may be, for example, a temperature increasing device such as a warm fan, an air conditioner, and the like.
Optionally, a throttling device 323 is further included, and the throttling device 323 is disposed in the refrigeration pipeline and is located at the outlet end of the condenser 33 and at one side of the inlet end of the evaporator 321.
Referring to fig. 2, in this embodiment, the throttling device 323 is used to control the flow speed and flow rate of the working medium in the refrigeration pipeline, so as to indirectly control the compressor 322 to do work, thereby achieving the purpose of controlling the cooling capacity.
Optionally, the generator 52 is connected to the compressor 322, and the generator 52 is used for supplying power to the compressor 322.
Referring to fig. 2, in the present embodiment, the working state of the compressor 322 requires electric driving, and the electric power generated by the generator 52 is directly transmitted to the compressor 322, so that the technical problem of supplying the electric power to the compressor 322 is conveniently solved.
Optionally, still include the water pump, the water pump sets up in the light and heat supply pipe network 22 and in the heat supply pipe network.
The water pump is arranged to facilitate the circulation flow of water in the photo-thermal heat supply pipe network 22 and the heat supply pipe network, and has certain pressure and flow velocity, so that the adjustment of the hot water supply level is facilitated.
Optionally, the system further comprises a water valve, and the water valve is arranged in the photothermal heat supply pipe network 22.
Optionally, the system further comprises a water replenishing pump 10, wherein the water replenishing pump 10 is arranged in the photothermal heat supply pipe network 22.
Optionally, the system further comprises a sub-level heat supply pipe network 41, and the sub-level heat supply pipe network 41 is connected with the heat supply pipe network through a sub-level heat exchange station.
Optionally, the heat supply system further comprises a heater, wherein the heater is arranged in the heat supply pipe network.
The multifunctional complementary power generation and heating and refrigeration comprehensive utilization system comprises a condensation heat exchange subsystem 1, a photo-thermal heat exchange subsystem 2, a refrigeration subsystem 3, a heat supply pipe network 4, an ORC power generation subsystem 5 and a driving heat source subsystem 6; the ORC power generation subsystem 5 connected with the photo-thermal heat exchange subsystem 2 is arranged to convert the light heat energy and generate power, and then the heat supply pipe network is connected with the photo-thermal heat exchange subsystem 2 through the heat exchanger, so that good photo-thermal utilization is realized, and the photo-thermal energy is converted into heat of working media in the heat supply pipe network; through implementing this application, can satisfy three kinds of user demands of electricity generation, heat supply and refrigeration simultaneously, because the energy that adopts all comes from light and heat in this application, for clean energy, friendly to the environment, be suitable for popularization and application.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (9)
1. A multi-energy complementary power generation and heating and refrigeration comprehensive utilization system is characterized by comprising a condensation heat exchange subsystem, a photo-thermal heat exchange subsystem, a refrigeration subsystem, a heating pipe network, an ORC power generation subsystem and a driving heat source subsystem;
the condensation heat exchange subsystem is connected with the heat supply pipe network through a heat pump, and the photo-thermal heat exchange subsystem is connected with the heat supply pipe network through a heat exchanger;
the condensation heat exchange subsystem comprises a condenser and a condensation heat supply pipe network, the condenser is arranged in the condensation heat supply pipe network, circulating cooling water in the condenser absorbs latent heat of exhaust steam of the steam turbine and then flows into the heat pump, water in the heat supply pipe network is heated through the heat pump, the condensation heat supply pipe network is connected with the cooling tower, and the condensation heat exchange system is used for cooling steam turbine exhaust steam and reducing the loss of a cold source of the unit;
the photo-thermal heat exchange subsystem comprises a photo-thermal heat collector and a photo-thermal heat supply pipe network, wherein the photo-thermal heat collector is used for conducting photo-thermal to a heat supply working medium and then conveying the heat supply working medium to the photo-thermal heat supply pipe network;
the driving heat source subsystem leads out a driving pipe network from the photo-thermal heat supply pipe network, and the driving pipe network passes through the heat pump along the flow direction of the heat supply working medium and then is connected into the photo-thermal heat collector in a backflow mode;
the refrigeration subsystem comprises a refrigeration energy absorption unit and a compression refrigeration unit, the refrigeration energy absorption unit comprises a photo-thermal collector, an energy absorption pipeline and a water pump arranged in the energy absorption pipeline, the compression refrigeration unit comprises an evaporator, a compressor and a refrigeration pipeline, the evaporator and the compressor are sequentially arranged in the refrigeration pipeline, and the refrigeration energy absorption unit is connected with the compression refrigeration unit through a condenser;
the ORC power generation subsystem is connected with the photo-thermal heat supply pipe network through the heat exchanger, the ORC power generation subsystem comprises an ORC working medium pipe network, an ORC device and a power generator, and the ORC device absorbs energy of the photo-thermal heat supply pipe network through working media in the ORC working medium pipe network and is used for generating power for the power generator.
2. The comprehensive multi-energy complementary power generation and heating and refrigeration utilization system according to claim 1, further comprising a warming subunit, wherein the warming subunit is disposed in the energy-absorbing pipeline in the refrigeration energy-absorbing unit and is located on one side of the inlet end of the photo-thermal collector and the outlet end of the condenser.
3. The comprehensive multi-energy complementary power generation and heating and cooling system according to claim 1, further comprising a throttling device disposed in the cooling duct on one side of the outlet end of the condenser and the inlet end of the evaporator.
4. The multi-energy complementary power generation and heating and cooling integrated utilization system according to claim 1, wherein the generator is connected to the compressor, and the generator is used for supplying power to the compressor.
5. The comprehensive multi-energy complementary power generation and heating and cooling system of claim 1, further comprising water pumps disposed in the photothermal heat supply network and in the heat supply network.
6. The comprehensive multi-energy complementary power generation and heating and refrigeration utilization system of claim 1, further comprising a water valve, wherein the water valve is disposed in the photothermal heating pipe network.
7. The comprehensive utilization system of multi-energy complementary power generation, heating and refrigeration according to claim 1, further comprising a water replenishing pump, wherein the water replenishing pump is arranged in the photothermal heating pipe network.
8. The comprehensive multi-energy complementary power generation and heating and refrigeration utilization system of claim 1, further comprising a sub-level heat supply network, wherein the sub-level heat supply network is connected to the heat supply network through a sub-level heat exchange station.
9. The comprehensive multi-energy complementary power generation and heating and cooling system of claim 1, further comprising a heater disposed in the heating network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020834609.XU CN213119592U (en) | 2020-05-18 | 2020-05-18 | Multi-energy complementary power generation and heating and refrigeration comprehensive utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020834609.XU CN213119592U (en) | 2020-05-18 | 2020-05-18 | Multi-energy complementary power generation and heating and refrigeration comprehensive utilization system |
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| CN213119592U true CN213119592U (en) | 2021-05-04 |
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| CN202020834609.XU Withdrawn - After Issue CN213119592U (en) | 2020-05-18 | 2020-05-18 | Multi-energy complementary power generation and heating and refrigeration comprehensive utilization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486616A (en) * | 2020-05-18 | 2020-08-04 | 中国能源建设集团陕西省电力设计院有限公司 | A multi-energy complementary power generation and comprehensive utilization system for heating and cooling |
-
2020
- 2020-05-18 CN CN202020834609.XU patent/CN213119592U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486616A (en) * | 2020-05-18 | 2020-08-04 | 中国能源建设集团陕西省电力设计院有限公司 | A multi-energy complementary power generation and comprehensive utilization system for heating and cooling |
| CN111486616B (en) * | 2020-05-18 | 2024-12-06 | 中国能源建设集团陕西省电力设计院有限公司 | A multi-energy complementary power generation and heating and cooling comprehensive utilization system |
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