CN218934506U - Energy-saving utilization device for vacuum system of steam turbine of thermal power plant - Google Patents
Energy-saving utilization device for vacuum system of steam turbine of thermal power plant Download PDFInfo
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- CN218934506U CN218934506U CN202223249465.XU CN202223249465U CN218934506U CN 218934506 U CN218934506 U CN 218934506U CN 202223249465 U CN202223249465 U CN 202223249465U CN 218934506 U CN218934506 U CN 218934506U
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Abstract
The utility model belongs to the technical field of turbine heat recovery devices, and discloses an energy-saving utilization device of a turbine vacuum system of a thermal power plant, which comprises: the air inlet end of the vacuum component is fixedly connected with the air outlet end of the heat exchange component, and the vacuum component is used for extracting air in the heat exchange component, so that the air inlet end of the heat exchange component extracts high-temperature air in the steam turbine; the hot air curtain is fixedly connected between the liquid inlet end and the liquid outlet end of the heat exchange component. According to the utility model, the sealing plug is screwed and connected with the bottom of the connecting frame, so that the sealing plug is fixed at the bottom of the connecting frame, when water scale in the water body needs to be discharged, the sealing plug is reversed, and the sealing plug is separated from the connecting frame, so that the water scale in the water body can be discharged through the connecting frame, the water scale in the device is convenient to clean, the loss in the heat conduction process is reduced, and the heat conduction efficiency and the resource utilization rate are improved.
Description
Technical Field
The utility model belongs to the technical field of steam turbine heat recovery devices, and particularly relates to an energy-saving utilization device of a steam turbine vacuum system of a thermal power plant.
Background
The steam turbine is also called a steam turbine engine, and is a rotary steam power device, high-temperature and high-pressure steam passes through a fixed nozzle to become accelerated airflow and then is sprayed onto blades, so that a rotor provided with a blade row rotates and simultaneously does work outwards, the steam turbine is main equipment of a modern thermal power plant, and when the steam turbine works, the steam turbine needs to be vacuumized, and then high-temperature gas of the steam turbine is discharged for recycling, so that the resource utilization rate is improved.
For example, in chinese patent publication No. CN217176723U, an energy-saving utilization device for a steam turbine vacuum system of a thermal power plant is disclosed, which describes that "a steam turbine discharges high temperature gas into a cooler 7 through a vacuum pipe 8, the inside of the cooler 7 is cooled down by water cooling, and cooled down gas is pumped out and discharged through a vacuum pump 9, and hot water discharged from the cooler 7 is injected into a hot water well 2 through a second multi-stage water seal 6, hot water output from a shaft seal heater 5 is introduced into a first multi-stage water seal 3, the first multi-stage water seal 3 introduces water into the hot water well 2 to complete storage, and in the process of introducing the hot water into the first multi-stage water seal 3, a fan 11 operates to transport heat to a hot air curtain and a boiler curtain of a machine room along a hot air pipe 10 on a front baffle 401, thereby realizing energy-saving reuse of heat.
Disclosure of Invention
The utility model aims to provide an energy-saving utilization device for a steam turbine vacuum system of a thermal power plant, which is used for solving the problem of larger loss in the heat conduction process in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an energy-saving utilization device of a steam turbine vacuum system of a thermal power plant, comprising: the air inlet end of the vacuum component is fixedly connected with the air outlet end of the heat exchange component, and the vacuum component is used for extracting air in the heat exchange component, so that the air inlet end of the heat exchange component extracts high-temperature air in the steam turbine; the hot air curtain is fixedly connected between the liquid inlet end and the liquid outlet end of the heat exchange component; the heat exchange component is used for carrying out heat exchange with high-temperature air, so that the temperature of the water body is increased, and the water body is conveyed to the hot air curtain and flows back to the inside of the heat exchange component for circulation; the connecting frame is fixedly connected between the liquid outlet end of the heat exchange component and the hot air curtain, and the bottom of the connecting frame is screwed and connected with a sealing plug; the bottom of the sealing plug is fixedly connected with a handle.
Preferably, the heat exchange member comprises a housing; the shell is fixedly connected with a water injection pipe for adding water, and the bottom of the shell is fixedly connected with a base frame; and a valve is arranged on the water injection pipe.
Preferably, the heat exchange member further comprises a heat exchange tube; the heat exchange tube is fixedly connected to the inside of the shell, and both ends of the heat exchange tube extend to the outside of the shell; the liquid inlet end of the shell is fixedly connected with a water outlet pipe, and the liquid outlet end of the shell is fixedly connected with a connecting pipe.
Preferably, the liquid inlet end of the hot air curtain is fixedly connected with a water inlet pipe, and the hot air curtain is fixedly connected between the water inlet pipe and the water outlet pipe; the connecting frame is fixedly connected between the water inlet pipe and the connecting pipe.
Preferably, the vacuum member comprises a vacuum pump; the vacuum pump is fixedly connected to the shell, the air inlet end of the vacuum pump is fixedly connected with the air outlet end of the heat exchange tube, and the air outlet end of the vacuum pump is fixedly connected with the exhaust pipe.
Preferably, the inside of the water inlet pipe is rotatably connected with a steel wire; connecting rods are fixedly connected to two sides of the steel wire, and a rotating head is fixedly connected to one end of the steel wire extending to the inside of the connecting frame; and one end of the connecting rod, which is opposite to the steel wire, is fixedly connected with an arc-shaped frame.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the sealing plug is screwed and connected with the bottom of the connecting frame, so that the sealing plug is fixed at the bottom of the connecting frame, when water scale in the water body needs to be discharged, the sealing plug is reversed, and the sealing plug is separated from the connecting frame, so that the water scale in the water body can be discharged through the connecting frame, the water scale in the device is convenient to clean, the loss in the heat conduction process is reduced, and the heat conduction efficiency and the resource utilization rate are improved.
(2) On the basis of the beneficial effects, the steel wire is rotated in the water inlet pipe by rotating the steel wire, so that the connecting rod and the arc-shaped frame are driven to rotate, the arc-shaped frame scrapes the inner wall of the water inlet pipe, scale on the inner wall of the water inlet pipe is cleaned, the cleaning efficiency of the scale is further improved, the loss in the heat conduction process is further reduced, and the heat conduction efficiency and the resource utilization rate are further improved.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is an internal block diagram of the present utility model;
fig. 3 is an enlarged view of a portion a in fig. 2;
fig. 4 is an enlarged view of a portion B in fig. 2;
FIG. 5 is a top view of the arc frame of the present utility model;
in the figure: 1. a base frame; 2. a heat exchange tube; 3. a housing; 4. turning the head; 5. a water outlet pipe; 6. a hot air curtain; 7. a water inlet pipe; 8. an exhaust pipe; 9. a vacuum pump; 10. a connecting pipe; 11. a connecting frame; 12. a sealing plug; 13. a handle; 14. an arc-shaped frame; 15. a steel wire; 16. a connecting rod; 17. and a water injection pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides the following technical solutions:
an energy-saving utilization device of a steam turbine vacuum system of a thermal power plant, comprising:
the air inlet end of the vacuum component is fixedly connected with the air outlet end of the heat exchange component, and the vacuum component is used for extracting air in the heat exchange component, so that the air inlet end of the heat exchange component extracts high-temperature air in the steam turbine;
the hot air curtain 6 is fixedly connected between the liquid inlet end and the liquid outlet end of the heat exchange component;
the heat exchange component is used for carrying out heat exchange with high-temperature air, so that the temperature of the water body is increased, and the water body flows back to the inside of the heat exchange component for circulation after being conveyed to the hot air curtain 6;
the connecting frame 11 is fixedly connected between the liquid outlet end of the heat exchange component and the hot air curtain 6, and the bottom of the connecting frame 11 is screwed and connected with the sealing plug 12;
a handle 13 is fixedly connected to the bottom of the sealing plug 12.
Through the technical scheme, the heat exchange component stored with the water body is fixed at the using point, the air inlet end of the heat exchange component is connected with the steam turbine, when high-temperature gas in the steam turbine is needed to be utilized, the vacuum component works, so that the air inlet end of the heat exchange component generates suction force, and then the high-temperature gas in the steam turbine is extracted, the high-temperature gas enters the heat exchange component, the water body inside the heat exchange component exchanges heat with the high-temperature steam, so that the temperature of the water body is increased, the temperature of the steam is reduced, the water body is conveyed into the connecting frame 11 after the temperature of the water body is increased, the hot water is conveyed into the hot air curtain 6 through the connecting frame 11, the heat in the hot water is utilized through the hot air curtain 6, hot air is blown out, the water body after the temperature reduction is conveyed back into the heat exchange component for heat exchange again, and when water scales in the cleaning device are needed, the sealing plug 12 is separated from the connecting frame 11 through the rotation of the handle 13, the water scales in the water body are discharged through the bottom of the connecting frame 11, and the water scales in the water body are convenient to clean.
Specifically, in one embodiment, regarding the heat exchange member described above:
as shown in fig. 1-2, the heat exchange member comprises a housing 3;
the shell 3 is fixedly connected with a water injection pipe 17 for adding water, and the bottom of the shell 3 is fixedly connected with a base frame 1;
the water injection pipe 17 is provided with a valve.
Through above-mentioned technical scheme, be fixed in the service point with bed frame 1, support shell 3 through bed frame 1, when needs are added to shell 3 inside with the water, open the valve on the water injection pipe 17, add the water to shell 3 inside through water injection pipe 17, after the water adds, close the valve to accomplish the water and add.
In this embodiment, further, the heat exchange member further includes a heat exchange tube 2;
the heat exchange tube 2 is fixedly connected to the inside of the shell 3, and both ends of the heat exchange tube 2 extend to the outside of the shell 3;
the liquid inlet end of the shell 3 is fixedly connected with a water outlet pipe 5, and the liquid outlet end of the shell 3 is fixedly connected with a connecting pipe 10.
Through the technical scheme, the vacuum component works, so that air in the heat exchange tube 2 is extracted, high-temperature air in the steam turbine is extracted by the heat exchange tube 2, heat exchange is carried out between the heat exchange tube 2 and water in the shell 3, and the high Wen Shuiti is discharged through the liquid outlet end of the shell 3.
In addition, in the present utility model, as shown in fig. 1 to 2, the technical scheme of installing the hot air curtain 6 and the connection frame 11 is optimized.
The liquid inlet end of the hot air curtain 6 is fixedly connected with a water inlet pipe 7, and the hot air curtain 6 is fixedly connected between the water inlet pipe 7 and the water outlet pipe 5;
the connecting frame 11 is fixedly connected between the water inlet pipe 7 and the connecting pipe 10.
Through above-mentioned technical scheme, discharge high temperature water through the liquid outlet end of shell 3 to link 11 in, carry high temperature water to inlet tube 7 through link 11 to let high temperature water get into in the hot air curtain 6, make high Wen Shuiti's heat turn into hot-blast and blow out, input the water that the temperature reduces back shell 3 inside recycle through outlet pipe 5.
Specifically, in one embodiment, regarding the vacuum member described above:
as shown in fig. 1-2, the vacuum means comprises a vacuum pump 9;
the vacuum pump 9 is fixedly connected to the shell 3, the air inlet end of the vacuum pump 9 is fixedly connected with the air outlet end of the heat exchange tube 2, and the air outlet end of the vacuum pump 9 is fixedly connected with the exhaust pipe 8.
Through the technical scheme, when high-temperature air in the steam turbine is required to be extracted, the vacuum pump 9 works, so that the air inside the heat exchange tube 2 is extracted from the air inlet end of the vacuum pump 9, suction is generated from the air inlet end of the heat exchange tube 2, the high-temperature air in the steam turbine is conveniently extracted, and after the heat exchange temperature of the high-temperature air in the heat exchange tube 2 and the water body is reduced, the gas with the reduced temperature is discharged through the exhaust pipe 8.
In addition, in the present utility model, as shown in fig. 2 to 3 and 5, the technical solution of cleaning the water inlet pipe 7 is optimized.
The inside of the water inlet pipe 7 is rotatably connected with a steel wire 15;
the two sides of the steel wire 15 are fixedly connected with connecting rods 16, and one end of the steel wire 15 extending into the connecting frame 11 is fixedly connected with a swivel 4;
the connecting rod 16 is fixedly connected with an arc-shaped frame 14 at one end opposite to the steel wire 15.
Through above-mentioned technical scheme, when needs clearance water scale in the inlet tube 7, rotate the swivel 4, make swivel 4 drive steel wire 15 and rotate to drive connecting rod 16 and arc frame 14 and rotate, and then let the inner wall of arc frame 14 scraping inlet tube 7, thereby clear up the water scale of inlet tube 7 inner wall, let the water scale be convenient for discharge from link 11.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a steam turbine vacuum system energy-conserving utilization device of thermal power plant which characterized in that: comprising the following steps:
the air inlet end of the vacuum component is fixedly connected with the air outlet end of the heat exchange component, and the vacuum component is used for extracting air in the heat exchange component, so that the air inlet end of the heat exchange component extracts high-temperature air in the steam turbine;
the hot air curtain (6), the said hot air curtain (6) is fixedly connected between liquid inlet end and liquid outlet end of the heat exchange component;
the heat exchange component is used for carrying out heat exchange with high-temperature air, so that the temperature of the water body is increased, and the water body is conveyed to the hot air curtain (6) and then flows back to the inside of the heat exchange component for circulation;
the connecting frame (11), the connecting frame (11) is fixedly connected between the liquid outlet end of the heat exchange component and the hot air curtain (6), and the bottom of the connecting frame (11) is screwed and connected with the sealing plug (12);
the bottom of the sealing plug (12) is fixedly connected with a handle (13).
2. The energy-saving utilization device for a steam turbine vacuum system of a thermal power plant according to claim 1, wherein: the heat exchange member comprises a housing (3);
the shell (3) is fixedly connected with a water injection pipe (17) for adding water, and the bottom of the shell (3) is fixedly connected with a base frame (1);
and a valve is arranged on the water injection pipe (17).
3. The energy-saving utilization device of a steam turbine vacuum system of a thermal power plant according to claim 2, wherein: the heat exchange member further comprises a heat exchange tube (2);
the heat exchange tube (2) is fixedly connected to the inside of the shell (3), and two ends of the heat exchange tube (2) extend to the outside of the shell (3);
the liquid inlet end of the shell (3) is fixedly connected with a water outlet pipe (5), and the liquid outlet end of the shell (3) is fixedly connected with a connecting pipe (10).
4. A thermal power plant steam turbine vacuum system energy saving utilization device according to claim 3, wherein: the liquid inlet end of the hot air curtain (6) is fixedly connected with a water inlet pipe (7), and the hot air curtain (6) is fixedly connected between the water inlet pipe (7) and the water outlet pipe (5);
the connecting frame (11) is fixedly connected between the water inlet pipe (7) and the connecting pipe (10).
5. The energy-saving utilization device of a steam turbine vacuum system of a thermal power plant according to claim 3 or 4, wherein: the vacuum member comprises a vacuum pump (9);
the vacuum pump (9) is fixedly connected to the shell (3), the air inlet end of the vacuum pump (9) is fixedly connected with the air outlet end of the heat exchange tube (2), and the air outlet end of the vacuum pump (9) is fixedly connected with the exhaust tube (8).
6. The energy-saving utilization device for the vacuum system of the steam turbine of the thermal power plant according to claim 4, wherein: the inside of the water inlet pipe (7) is rotatably connected with a steel wire (15);
connecting rods (16) are fixedly connected to two sides of the steel wire (15), and a rotating head (4) is fixedly connected to one end, extending to the inside of the connecting frame (11), of the steel wire (15);
one end of the connecting rod (16) opposite to the steel wire (15) is fixedly connected with an arc-shaped frame (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223249465.XU CN218934506U (en) | 2022-12-06 | 2022-12-06 | Energy-saving utilization device for vacuum system of steam turbine of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223249465.XU CN218934506U (en) | 2022-12-06 | 2022-12-06 | Energy-saving utilization device for vacuum system of steam turbine of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218934506U true CN218934506U (en) | 2023-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223249465.XU Active CN218934506U (en) | 2022-12-06 | 2022-12-06 | Energy-saving utilization device for vacuum system of steam turbine of thermal power plant |
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| CN (1) | CN218934506U (en) |
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2022
- 2022-12-06 CN CN202223249465.XU patent/CN218934506U/en active Active
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