CN211900718U - Organic Rankine cycle power generation device - Google Patents
Organic Rankine cycle power generation device Download PDFInfo
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- CN211900718U CN211900718U CN202020250272.8U CN202020250272U CN211900718U CN 211900718 U CN211900718 U CN 211900718U CN 202020250272 U CN202020250272 U CN 202020250272U CN 211900718 U CN211900718 U CN 211900718U
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Abstract
The utility model provides an organic Rankine cycle power generation device, which comprises an evaporator, a generator set, a condenser, a steam extractor, a first working medium pump, a heat regenerator and a second working medium pump, wherein the evaporator is connected with the generator set; the condenser is connected with the heat regenerator, and the first working medium pump is arranged between the condenser and the heat regenerator; the heat regenerator is connected with the evaporator, and the second working medium pump is arranged between the heat regenerator and the evaporator. The utility model has the advantages that: the utility model discloses a set up the regenerator between condenser and evaporimeter to extract the part through the steam extractor in turbine in complete expansive organic working medium to the regenerator, with the organic working medium after the heating is condensed by the condenser, thereby reduce rankine cycle's cold source loss, improve the resource utilization in the rankine cycle.
Description
Technical Field
The utility model relates to an Organic Rankine Cycle (Organic Rankine Cycle, ORC) power generation technical field especially relates to an Organic Rankine Cycle power generation facility.
Background
Energy shortage and environmental pollution are developed into problems worldwide, energy conservation and emission reduction are realized, energy consumption is reduced, and the comprehensive utilization rate of energy is improved, so that the method is a fundamental way for solving the energy problem. How to reasonably and efficiently utilize industrial waste heat, geothermal energy, solar energy, biomass energy and ocean energy becomes important content of energy conservation and emission reduction work. In industrial waste heat, geothermal energy, solar energy, biomass energy and ocean energy, low-temperature energy with lower grade accounts for a large part of the energy, and Organic Rankine Cycle (ORC) is taken as a thermal power generation system capable of converting low-grade waste heat into high-grade electric energy, and because of the characteristics of low boiling point, low freezing point, high condensation pressure, high density, small specific volume, low sound velocity and the like of an Organic working medium, the ORC has the advantages of no need of anti-freezing facilities, less leakage, small size, difficulty in liquid impact and the like, so that the currently and internationally adopted method is an Organic Rankine Cycle power generation technology for utilizing low-temperature heat energy below 300 ℃ or even lower.
However, the existing organic Rankine cycle power generation device generally has the problems of complex structure, low resource utilization rate and the like.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides an organic rankine cycle power generation device.
The embodiment of the utility model provides an organic Rankine cycle power generation device, including evaporimeter, generating set, condenser and steam extractor, first working medium pump, regenerator and second working medium pump, the evaporimeter passes through working medium pipeline connection the generating set, the generating set is equipped with first output and second output, first output with the second output respectively through working medium pipeline connection the condenser with the regenerator, and the steam extractor sets up on the working medium pipeline between the second output with the regenerator; the condenser is connected with the heat regenerator through a working medium pipeline, and the first working medium pump is arranged on the working medium pipeline between the condenser and the heat regenerator; the heat regenerator is connected with the evaporator through a working medium pipeline, and the second working medium pump is arranged on the working medium pipeline between the heat regenerator and the evaporator.
Further, the generating set comprises a steam turbine and a generator, and a power output end on the steam turbine is connected with a power input end on the generator through a coupler.
Furthermore, the circulating working medium in the working medium pipeline is an organic working medium.
Further, the organic working medium is R365mfc or R245 ca.
Further, the condenser is a cooling circulating water condenser.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the utility model discloses an organic Rankine cycle power generation facility is through the condenser with set up between the evaporimeter the regenerator, and pass through the steam extractor is followed extract in the turbine part not the complete expansive organic working medium extremely in the regenerator, with the heating by behind the condenser condensation organic working medium to reduce Rankine cycle's cold source loss, improve the resource utilization in the Rankine cycle.
Drawings
Fig. 1 is a schematic structural diagram of an organic rankine cycle power generation device according to the present invention.
In the figure: the method comprises the following steps of 1-an evaporator, 2-a generator set, 21-a steam turbine, 22-a generator, 23-a first output end, 24-a second output end, 3-a condenser, 4-a steam extractor, 5-a first working medium pump, 6-a heat regenerator, 7-a second working medium pump and 8-a working medium pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides an organic rankine cycle power generation apparatus, which includes an evaporator 1, a generator set 2, a condenser 3, a steam extractor 4, a first working medium pump 5, a heat regenerator 6, and a second working medium pump 7.
The steam turbine 21 is provided with a first output end 23 and a second output end 24, the first output end 23 is connected to the condenser 3 through a working medium pipeline 8, in this embodiment, the condenser 3 is a cooling circulation water condenser, the second output end 24 is connected to the heat regenerator 6 through the working medium pipeline 8, the steam extractor 4 is arranged on the working medium pipeline 8 between the second output end 24 and the heat regenerator 6, and in this embodiment, the steam extractor 4 is used for extracting an organic working medium which is not fully expanded in the steam turbine 21 into the heat regenerator 6.
The condenser 3 is connected with the heat regenerator 6 through a working medium pipeline 8, the first working medium pump 5 is arranged on the working medium pipeline 8 between the condenser 3 and the heat regenerator 6, and in this embodiment, the first working medium pump 5 is used for pumping the organic working medium condensed into liquid by the condenser 3 into the heat regenerator 6, so as to be fully mixed with the organic working medium (which can be gas or liquid) pumped by the steam extractor 4 and heat the organic working medium, thereby reducing the cold source loss of the rankine cycle and improving the resource utilization rate of the rankine cycle; the heat regenerator 6 is connected to the evaporator 1 through a working medium pipeline 8, the second working medium pump 7 is arranged on the working medium pipeline 8 between the heat regenerator 6 and the evaporator 1, and in this embodiment, the second working medium pump 7 is used for pumping the organic working medium inside the heat regenerator 6 into the evaporator 1 to be reused, so that the whole organic rankine cycle is completed.
The utility model discloses a concrete working process does:
the evaporator 1 absorbs low-temperature heat energy and evaporates the organic working medium therein into a gaseous state, and the gaseous organic working medium is conveyed to the steam turbine 21 through the working medium pipeline, the gaseous organic working medium expands in the steam turbine 21 to do work, so as to drive the generator 22 to generate power, meanwhile, the steam extractor 4 extracts part of the organic working medium which is not completely expanded in the steam turbine 21 to the heat regenerator 6, the rest gaseous organic working medium is completely expanded in the steam turbine 21 and then enters the condenser 3 to be condensed, and then the organic working medium is pumped into the heat regenerator 6 by the first working medium pump 5, and is fully mixed with the organic working medium which is not completely expanded in the steam turbine 21 and heats the organic working medium, so as to reduce the cold source loss of Rankine cycle, improve the resource utilization rate in the Rankine cycle, and the mixed organic working medium is pumped back into the evaporator 1 by the second working medium pump 7 to be reused, thereby completing the entire organic rankine cycle.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. An organic rankine cycle power generation device, characterized in that: the system comprises an evaporator, a generator set, a condenser, a steam extractor, a first working medium pump, a heat regenerator and a second working medium pump, wherein the evaporator is connected with the generator set through a working medium pipeline; the condenser is connected with the heat regenerator through a working medium pipeline, and the first working medium pump is arranged on the working medium pipeline between the condenser and the heat regenerator; the heat regenerator is connected with the evaporator through a working medium pipeline, and the second working medium pump is arranged on the working medium pipeline between the heat regenerator and the evaporator.
2. An organic rankine cycle power plant as claimed in claim 1 wherein: the power generation unit comprises a steam turbine and a generator, and a power output end on the steam turbine is connected with a power input end on the generator through a coupler.
3. An organic rankine cycle power plant as claimed in claim 1 wherein: and the circulating working medium in the working medium pipeline is an organic working medium.
4. An organic Rankine cycle power generation device according to claim 3, characterized in that: the organic working medium is R365mfc or R245 ca.
5. An organic rankine cycle power plant as claimed in claim 1 wherein: the condenser is a cooling circulating water condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020250272.8U CN211900718U (en) | 2020-03-04 | 2020-03-04 | Organic Rankine cycle power generation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020250272.8U CN211900718U (en) | 2020-03-04 | 2020-03-04 | Organic Rankine cycle power generation device |
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| CN211900718U true CN211900718U (en) | 2020-11-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164179A (en) * | 2022-06-06 | 2022-10-11 | 哈尔滨工业大学 | Organic-alkali metal combined double-loop spatial nuclear energy Rankine cycle power generation system |
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2020
- 2020-03-04 CN CN202020250272.8U patent/CN211900718U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164179A (en) * | 2022-06-06 | 2022-10-11 | 哈尔滨工业大学 | Organic-alkali metal combined double-loop spatial nuclear energy Rankine cycle power generation system |
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