CN212479345U - High-temperature high-efficiency hydraulic turbine complementary energy recovery device - Google Patents
High-temperature high-efficiency hydraulic turbine complementary energy recovery device Download PDFInfo
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- CN212479345U CN212479345U CN202020803712.8U CN202020803712U CN212479345U CN 212479345 U CN212479345 U CN 212479345U CN 202020803712 U CN202020803712 U CN 202020803712U CN 212479345 U CN212479345 U CN 212479345U
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Abstract
The utility model belongs to the field of energy recovery, and particularly discloses a high-temperature high-efficiency hydraulic turbine complementary energy recovery device, which comprises a high-temperature turbine, a high-temperature hydraulic turbine and a low-temperature hydraulic turbine; the lift pump inputs high-temperature liquid into the recovery cavity, a heat insulation layer is arranged on the outer side of the recovery cavity, the high-temperature liquid is temporarily stored in the recovery cavity, the generated high-temperature steam is conveyed to the high-temperature turbine from a high-temperature steam output pipeline for recovery and power generation, and the high-temperature steam can be connected with a high-temperature heat regenerator for heat recovery and utilization; the lower end of the recovery cavity is provided with a high-temperature liquid output pipeline, the tail end of the high-temperature liquid output pipeline is connected to a high-temperature hydraulic turbine, the outlet of the high-temperature hydraulic turbine is connected to a buffer cavity, and a waste heat recovery pipeline is connected above the buffer cavity; high-temperature liquid output by the recovery cavity enters a high-temperature hydraulic turbine to recover hydraulic waste energy, the liquid after being cooled enters a buffer cavity to be converted into normal-temperature liquid after being subjected to waste heat recovery, and then the liquid enters a low-temperature hydraulic turbine to be subjected to secondary recovery.
Description
Technical Field
The utility model relates to an energy recuperation field specifically is a high temperature high efficiency hydraulic turbine complementary energy recovery unit.
Background
The hydraulic turbine is mechanical equipment for converting pressure energy in a liquid fluid working medium into mechanical energy, and the hydraulic turbine can be used for recycling liquid excess pressure in the process flow and converting the liquid excess pressure into the mechanical energy to drive the mechanical equipment so as to save energy. A hydraulic turbine is an energy recovery device. The turbine is a machine for converting energy contained in a fluid working medium into mechanical energy, and is also called as a turbine. The working medium of the turbo-machine can be liquid, steam, gas, air and other gases or mixed gases. Turbines that use liquid as a working fluid are known as hydraulic turbines.
As an energy saving device, hydraulic turbines have become popular in recent years. In use, a reverse rotation centrifugal pump is often used as a hydraulic turbine, so that the method is more economical. The hydraulic turbine as an energy recovery belongs to the energy saving category of the pump system only because the hydraulic turbine is a pump per se, and the power output end of the hydraulic turbine often drives another pump. However, at present, no device for recovering residual energy of high-temperature liquid exists temporarily
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-temperature high-efficient hydraulic turbine complementary energy recovery unit to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature high-efficiency hydraulic turbine complementary energy recovery device comprises a high-temperature turbine, a high-temperature hydraulic turbine and a low-temperature hydraulic turbine; the high-temperature liquid pipeline is connected to the input end of the lifting pump, and the output end of the lifting pump is connected to the recovery cavity; the top end of the recovery cavity is provided with a high-temperature steam output pipeline, the high-temperature steam output pipeline is connected to a high-temperature turbine, the output end of the high-temperature turbine is connected with a high-temperature turbine generator, and the outlet of the high-temperature turbine is connected with the hot end outlet of a high-temperature regenerator; the lower end of the recovery cavity is provided with a high-temperature liquid output pipeline, the tail end of the high-temperature liquid output pipeline is connected to a high-temperature hydraulic turbine, the outlet of the high-temperature hydraulic turbine is connected to a buffer cavity, and a waste heat recovery pipeline is connected above the buffer cavity; and a low-temperature liquid output pipeline is arranged at the lower end of the buffer cavity and is connected to the low-temperature hydraulic turbine.
Preferably, the waste heat recovery pipeline is connected to a secondary high temperature turbine, which is less efficient than the high temperature turbine.
Preferably, the high-temperature steam output pipeline, the high-temperature liquid output pipeline and the low-temperature liquid output pipeline are all provided with flow control valves.
Preferably, the impeller provided on the high-temperature hydraulic turbine is a multi-stage impeller, and the impeller provided on the low-temperature hydraulic turbine is a single-stage impeller.
Preferably, a hot end outlet of the high-temperature regenerator is connected with the cooler, and an outlet of the cooler is connected with an input end of the compressor.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure and high recovery efficiency, the high-temperature liquid is input into the recovery cavity by the lift pump, the heat preservation layer is arranged outside the recovery cavity, the high-temperature liquid is temporarily stored in the recovery cavity, the generated high-temperature steam is conveyed to the high-temperature turbine from the high-temperature steam output pipeline for recovery and power generation, and the high-temperature steam can be connected with the high-temperature heat regenerator for heat recovery and utilization; high-temperature liquid output by the recovery cavity enters a high-temperature hydraulic turbine to recover hydraulic waste energy, the liquid after being cooled enters a buffer cavity to be converted into normal-temperature liquid after being subjected to waste heat recovery, and then the liquid enters a low-temperature hydraulic turbine to be subjected to secondary recovery.
Drawings
Fig. 1 is a schematic view of the overall connection structure of the present invention.
In the figure: 1. a high temperature liquid conduit; 2. a lift pump; 3. a recovery chamber; 4. a high temperature steam output pipeline; 5. a high temperature turbine; 6. a high temperature turbine generator; 7. a high temperature regenerator; 8. a high temperature liquid output pipe; 9. a high temperature hydraulic turbine; 10. a buffer chamber; 11. a waste heat recovery pipeline; 12. a cryogenic liquid output conduit; 13. a low temperature hydraulic turbine.
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, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, the present invention provides a technical solution: a high-temperature high-efficiency hydraulic turbine complementary energy recovery device comprises a high-temperature turbine 5, a high-temperature hydraulic turbine 9 and a low-temperature hydraulic turbine 13; the high-temperature liquid pipeline 1 is connected to the input end of the lift pump 2, and the output end of the lift pump 2 is connected to the recovery cavity 3; the top end of the recovery cavity 3 is provided with a high-temperature steam output pipeline 4, the high-temperature steam output pipeline 4 is connected to a high-temperature turbine 5, the output end of the high-temperature turbine 5 is connected with a high-temperature turbine generator 6, and the outlet of the high-temperature turbine 5 is connected with the hot end outlet of a high-temperature regenerator 7; a high-temperature liquid output pipeline 8 is arranged at the lower end of the recovery cavity 3, the tail end of the high-temperature liquid output pipeline 8 is connected to a high-temperature hydraulic turbine 9, the outlet of the high-temperature hydraulic turbine 9 is connected to a buffer cavity 10, and a waste heat recovery pipeline 11 is connected above the buffer cavity 10; the lower end of the buffer chamber 10 is provided with a low-temperature liquid output pipeline 12, and the low-temperature liquid output pipeline 12 is connected to a low-temperature hydraulic turbine 13.
Further, the heat recovery pipe 11 is connected to a secondary high-temperature turbine having a lower efficiency than the high-temperature turbine 5.
Furthermore, flow control valves are arranged on the high-temperature steam output pipeline 4, the high-temperature liquid output pipeline 8 and the low-temperature liquid output pipeline 12.
Further, the impeller provided on the high-temperature hydraulic turbine 9 is a multi-stage impeller, and the impeller provided on the low-temperature hydraulic turbine 13 is a single-stage impeller.
Further, a hot end outlet of the high-temperature heat regenerator 7 is connected with a cooler, and an outlet of the cooler is connected with an input end of the compressor.
The working principle is as follows: the high-temperature liquid pipeline 1 is connected to the input end of the lift pump 2, and the output end of the lift pump 2 is connected to the recovery cavity 3; the top end of the recovery cavity 3 is provided with a high-temperature steam output pipeline 4, the high-temperature steam output pipeline 4 is connected to a high-temperature turbine 5, the output end of the high-temperature turbine 5 is connected with a high-temperature turbine generator 6, and the outlet of the high-temperature turbine 5 is connected with the hot end outlet of a high-temperature regenerator 7; the lift pump 2 inputs high-temperature liquid into the recovery cavity 3, a heat insulation layer is arranged on the outer side of the recovery cavity 3, the high-temperature liquid is temporarily stored in the recovery cavity 3, the generated high-temperature steam is conveyed to the high-temperature turbine 5 from the high-temperature steam output pipeline 4 to be recovered and generated, and the high-temperature steam can be connected with the high-temperature heat regenerator 7 to recycle heat;
a high-temperature liquid output pipeline 8 is arranged at the lower end of the recovery cavity 3, the tail end of the high-temperature liquid output pipeline 8 is connected to a high-temperature hydraulic turbine 9, the outlet of the high-temperature hydraulic turbine 9 is connected to a buffer cavity 10, and a waste heat recovery pipeline 11 is connected above the buffer cavity 10; the lower extreme of cushion chamber 10 is provided with low temperature liquid output pipeline 12, and low temperature liquid output pipeline 12 is connected to low temperature hydraulic turbine 13, and the high temperature liquid of retrieving the chamber 3 output gets into high temperature hydraulic turbine 9, carries out hydraulic complementary energy and retrieves, and the liquid after the cooling gets into cushion chamber 10, converts into normal atmospheric temperature liquid after carrying out waste heat recovery to get into low temperature hydraulic turbine 13 and carry out the secondary and retrieve.
It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a high temperature high efficiency hydraulic turbine complementary energy recovery unit which characterized in that: comprises a high-temperature turbine (5), a high-temperature hydraulic turbine (9) and a low-temperature hydraulic turbine (13); the high-temperature liquid pipeline (1) is connected to the input end of the lift pump (2), and the output end of the lift pump (2) is connected to the recovery cavity (3); a high-temperature steam output pipeline (4) is arranged at the top end of the recovery cavity (3), the high-temperature steam output pipeline (4) is connected to a high-temperature turbine (5), the output end of the high-temperature turbine (5) is connected with a high-temperature turbine generator (6), and the outlet of the high-temperature turbine (5) is connected with the hot end outlet of a high-temperature regenerator (7); a high-temperature liquid output pipeline (8) is arranged at the lower end of the recovery cavity (3), the tail end of the high-temperature liquid output pipeline (8) is connected to a high-temperature hydraulic turbine (9), the outlet of the high-temperature hydraulic turbine (9) is connected to a buffer cavity (10), and a waste heat recovery pipeline (11) is connected above the buffer cavity (10); and a low-temperature liquid output pipeline (12) is arranged at the lower end of the buffer cavity (10), and the low-temperature liquid output pipeline (12) is connected to a low-temperature hydraulic turbine (13).
2. The high-temperature high-efficiency hydraulic turbine waste energy recovery device according to claim 1, characterized in that: the waste heat recovery pipeline (11) is connected to a secondary high-temperature turbine, and the efficiency of the secondary high-temperature turbine is lower than that of the high-temperature turbine (5).
3. The high-temperature high-efficiency hydraulic turbine waste energy recovery device according to claim 1, characterized in that: and flow control valves are arranged on the high-temperature steam output pipeline (4), the high-temperature liquid output pipeline (8) and the low-temperature liquid output pipeline (12).
4. The high-temperature high-efficiency hydraulic turbine waste energy recovery device according to claim 1, characterized in that: the impeller equipped on the high-temperature hydraulic turbine (9) is a multi-stage impeller, and the impeller equipped on the low-temperature hydraulic turbine (13) is a single-stage impeller.
5. The high-temperature high-efficiency hydraulic turbine waste energy recovery device according to claim 1, characterized in that: and a hot end outlet of the high-temperature heat regenerator (7) is connected with the cooler, and an outlet of the cooler is connected with an input end of the compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020803712.8U CN212479345U (en) | 2020-05-12 | 2020-05-12 | High-temperature high-efficiency hydraulic turbine complementary energy recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020803712.8U CN212479345U (en) | 2020-05-12 | 2020-05-12 | High-temperature high-efficiency hydraulic turbine complementary energy recovery device |
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| CN212479345U true CN212479345U (en) | 2021-02-05 |
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| CN202020803712.8U Active CN212479345U (en) | 2020-05-12 | 2020-05-12 | High-temperature high-efficiency hydraulic turbine complementary energy recovery device |
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