CN214276557U - Low-pressure cylinder steam exhaust device - Google Patents
Low-pressure cylinder steam exhaust device Download PDFInfo
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- CN214276557U CN214276557U CN202021912705.8U CN202021912705U CN214276557U CN 214276557 U CN214276557 U CN 214276557U CN 202021912705 U CN202021912705 U CN 202021912705U CN 214276557 U CN214276557 U CN 214276557U
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- steam
- pressure cylinder
- interface
- exhaust
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Abstract
The utility model discloses a low pressure cylinder exhaust apparatus, include: the pipeline connecting neck is fixedly welded on the shell, the pipeline connecting neck is a trapezoidal hollow table body, the shell is a quadrangular prism matched with the bottom surface of the hollow table body, the bottom surface of the quadrangular prism is closed, one surface of the hollow table body is provided with a temperature and pressure reducing device inlet, an air cooling island connector is arranged in the middle of one side of the shell, and the directions of the air cooling island connector and the temperature and pressure reducing device inlet are opposite; the inside hot well, steam deflector and the condensate tank that still are provided with of casing, the steam deflector is arc porous structure, curved bottom sets up in air cooling island interface below, the bottom of casing sets up condensate outlet and hot well outlet, set up the manhole on pipe connection neck and the casing. In this way, the utility model discloses can handle high-pressure cylinder steam simultaneously, the steam preprocessing ability of make full use of whole equipment.
Description
Technical Field
The utility model relates to a steam turbine equips the field, especially relates to a low pressure cylinder steam extraction device.
Background
The low-pressure cylinder steam exhaust device is installed on a low-pressure cylinder steam exhaust pipeline of a direct air cooling steam turbine, is connected with an air cooling island, replaces a device of a condenser of a wet cooling unit, can only be suitable for preliminary condensation treatment of low-pressure steam generally due to the design reason, and is single in function, large in treatment allowance and not economical overall.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a low pressure cylinder exhaust apparatus, can handle the high pressure cylinder exhaust simultaneously.
In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a low pressure cylinder steam exhaust apparatus including: the steam exhaust pipeline comprises a pipeline connecting neck and a shell, wherein the pipeline connecting neck is fixedly welded on the shell, the port of the pipeline connecting neck is connected with the steam exhaust pipeline of the low-pressure cylinder, the pipeline connecting neck is a trapezoidal hollow table body, the shell is a quadrangular prism matched with the bottom surface of the hollow table body, the bottom surface of the quadrangular prism is closed, one surface of the hollow table body is provided with an inlet of a temperature and pressure reducing device, the inlet of the temperature and pressure reducing device is connected with a temperature and pressure reducing device connected with the steam exhaust pipeline of the high-pressure cylinder, the middle position of one side of the shell is provided with an air cooling island interface, and the directions of the air cooling island interface and the inlet of the temperature and pressure reducing device are opposite; the inside hot well, steam deflector and the condensate tank that still is provided with of casing, the steam deflector is arc porous structure, curved bottom sets up in air cooling island interface below, the bottom of casing sets up condensate outlet and hot well discharge opening, one side of pipe connection neck and the upper and lower part of casing set up the manhole respectively.
In a preferred embodiment of the present invention, the low pressure cylinder steam exhaust device is installed with two drainage riser connectors, one drainage riser exhaust port disposed on the pipe connection neck and one drainage riser drain port disposed below the steam guide plate.
The utility model discloses a preferred embodiment, still set up hydrophobic flash vessel interface on the low pressure cylinder steam exhaust device, hydrophobic flash vessel interface includes hydrophobic flash vessel's hydrophobic mouth and gas vent, the gas vent sets up at the pipe connection neck, hydrophobic mouth sets up below the steam deflector.
In a preferred embodiment of the present invention, the low-pressure cylinder exhaust device further comprises a low-level heater interface, the interfaces are three, namely a low-level exhaust valve, a low-level hydrophobic door and a low-level emergency hydrophobic door, wherein the low-level hydrophobic door and the low-level emergency hydrophobic door are disposed below the steam guide plate, and the low-level exhaust valve is disposed above the steam guide plate.
In a preferred embodiment of the present invention, the low pressure cylinder steam exhaust device is further provided with a steam seal main pipe overflow interface.
In a preferred embodiment of the present invention, the low pressure cylinder steam exhaust device is further provided with a drain interface shaft and a drain door of the shaft seal heater.
In a preferred embodiment of the present invention, the pipe connecting neck is further provided with a water replenishing interface and a condensed water reusing interface.
In a preferred embodiment of the present invention, a condensed water interface is further disposed on the housing.
The utility model has the advantages that: the technical scheme of the utility model be add dedicated temperature and pressure reduction interface on low pressure jar exhaust apparatus commonly used, introduce the casing through temperature and pressure reduction interface with the highly compressed high pressure jar steam extraction of high temperature in, improved low pressure jar exhaust apparatus's application range, the throughput of make full use of whole equipment, the extension space that has great function on whole low pressure jar exhaust apparatus's the casing moreover can also increase corresponding function interface according to the needs of site work condition.
Drawings
Fig. 1 is a schematic top view of a preferred embodiment of the present invention;
FIG. 2 is a bottom view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a left side view of the present invention;
FIG. 5 is a schematic diagram of a right side view of a preferred embodiment of the present invention;
the parts in the drawings are numbered as follows:
1. the system comprises a temperature and pressure reducing device inlet, 2, an air cooling island interface, 3, a condensate water interface, 4, a condensate water port, 5, a drain riser exhaust port, 6, a drain riser drain port, 7, a drain flash tank exhaust port, 8, a drain flash tank drain port, 9, a gland main pipe overflow port, 10, a shaft drain door, 11, a low-level exhaust valve, 12, a low-level drain door, 13, a low-level emergency drain door, 14, a water replenishing interface, 15, a condensate water multiplexing interface, 16, a hot well drain port, 17, a manhole, 18, a low-pressure cylinder exhaust pipe interface, 19, a guide plate and 20, and a hot well.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1 to 5, an embodiment of the present invention includes:
a low pressure cylinder drain, the low pressure cylinder drain comprising: the steam exhaust pipeline comprises a pipeline connecting neck and a shell, wherein the pipeline connecting neck is fixedly welded on the shell, the port of the pipeline connecting neck is connected with the steam exhaust pipeline of the low-pressure cylinder, the pipeline connecting neck is a trapezoidal hollow table body, the shell is a quadrangular prism matched with the bottom surface of the hollow table body, the bottom surface of the quadrangular prism is closed, one surface of the hollow table body is provided with a temperature and pressure reducing device inlet 1, the temperature and pressure reducing device inlet 1 is connected with a temperature and pressure reducing device connected with the steam exhaust pipeline of the high-pressure cylinder, the middle position of one side of the shell is provided with an air cooling island interface 2, and the direction of the air cooling island interface 2 is opposite to that of the temperature and pressure reducing device inlet 1; the inside steam deflector 19, hot-well 20 and the condensate tank that still sets up of casing, steam deflector 19 is arc porous structure, curved bottom sets up in air cooling island interface 2 below, the condensate outlet 4 and the hot-well outlet 16 setting of condensate tank are in the casing bottom, one side of pipe connection neck and the upper and lower part of casing set up a manhole 17 respectively, supply to overhaul to observe the use.
The low-pressure cylinder steam exhaust device is provided with two drainage vertical pipe interfaces, one drainage vertical pipe interface is a drainage vertical pipe exhaust port 5 arranged on the pipeline connecting neck, and the other drainage vertical pipe interface is a drainage vertical pipe drainage port 6 arranged below the steam guide plate 19. Through above-mentioned structure, can connect the hydrophobic riser of steam turbine, derive the liquid water in the hydrophobic riser, improve the security of steam turbine operation.
The low pressure cylinder steam exhaust device is further provided with a drain flash tank interface, the drain flash tank interface comprises a drain port and an exhaust port of a drain flash tank, the drain flash tank exhaust port 7 is arranged at the pipeline connecting neck, and the drain flash tank drain port 8 is arranged below the steam guide plate 19. The steam and the liquid water in the drainage flash tank can be guided into the low-pressure cylinder steam exhaust device through the two interfaces and then enter the air cooling island together with the steam generated by the low-pressure cylinder through the air cooling island interface 2, and the steam is condensed and recovered.
Still install low level heater interface on the low pressure jar steam exhaust device, the interface is total three, is low level exhaust valve 11, low level hydrophobic door 12 and low level emergency hydrophobic door 13 respectively, and wherein low level hydrophobic door 12 and low level emergency hydrophobic door 13 are in steam deflector 19 below, low level exhaust valve 11 sets up in steam deflector 19 top. Through the mode, the dead steam after heat release of the low-level heater can be guided into the air cooling island through the device.
And the low-pressure cylinder steam exhaust device is also provided with a steam seal main pipe overflow interface 9, and overflow generated in the steam seal main pipe is guided into the shell and enters the condensation water tank.
The low-pressure cylinder steam exhaust device is also provided with a water drainage interface shaft of a shaft seal heater and a water drainage door 10, and drainage generated in the shaft seal heating process is led out to a condensation water tank in the shell.
Still be provided with the multiplexing interface 15 of moisturizing interface 14 and condensate on the pipeline connects the neck, the multiplexing external water pump of interface 15 of condensate adds the casing with the condensate water flush type through the pipeline inside, improves the proportion of steam at the inside condensation of casing, and moisturizing interface 14 mainly is when the operating water in whole steam turbine is not enough, through the here additional distilled water supply entire system's operating water.
The shell is also provided with a condensed water interface 3, condensed water generated in the air cooling island can be introduced into the working water circulation through the condensed water interface 3, the condensed water is utilized to improve the condensation amount of steam in the shell, and the burden of the air cooling island is reduced.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. A low pressure cylinder steam exhaust, comprising: the steam exhaust pipeline comprises a pipeline connecting neck and a shell, wherein the pipeline connecting neck is fixedly welded on the shell, the port of the pipeline connecting neck is connected with the steam exhaust pipeline of the low-pressure cylinder, the pipeline connecting neck is a trapezoidal hollow table body, the shell is a quadrangular prism matched with the bottom surface of the hollow table body, the bottom surface of the quadrangular prism is closed, one surface of the hollow table body is provided with an inlet of a temperature and pressure reducing device, the inlet of the temperature and pressure reducing device is connected with a temperature and pressure reducing device connected with the steam exhaust pipeline of the high-pressure cylinder, the middle position of one side of the shell is provided with an air cooling island interface, and the directions of the air cooling island interface and the inlet of the temperature and pressure reducing device are opposite; the inside hot well, steam deflector and the condensate tank that still is provided with of casing, the steam deflector is arc porous structure, curved bottom sets up in air cooling island interface below, the bottom of casing sets up condensate outlet and hot well discharge opening, set up a plurality of manholes on pipe connection neck and the casing.
2. The low-pressure cylinder steam exhaust device according to claim 1, wherein the low-pressure cylinder steam exhaust device is provided with two drainage riser connectors, one drainage riser exhaust port arranged on the pipe connecting neck and the other drainage riser drain port arranged below the steam guide plate.
3. The low pressure cylinder steam exhaust device of claim 1, further comprising a drain flash tank interface, wherein the drain flash tank interface comprises a drain port of the drain flash tank and an exhaust port, the exhaust port is disposed at the pipe connection neck, and the drain port is disposed below the steam guide plate.
4. The low-pressure cylinder steam exhaust device according to claim 1, wherein the low-pressure cylinder steam exhaust device is further provided with three low-level heater interfaces, namely a low-level exhaust valve, a low-level hydrophobic door and a low-level emergency hydrophobic door, wherein the low-level hydrophobic door and the low-level emergency hydrophobic door are arranged below the steam guide plate, and the low-level exhaust valve is arranged above the steam guide plate.
5. The low pressure cylinder steam exhaust of claim 1, further comprising a steam seal female pipe overflow port disposed thereon.
6. The low pressure cylinder steam exhaust of claim 1, further comprising a drain interface shaft and drain door of a shaft seal heater.
7. The low pressure cylinder exhaust apparatus according to claim 1, wherein the pipe connecting neck is further provided with a water replenishing interface and a condensed water reusing interface.
8. The low pressure cylinder drain of claim 1, wherein a condensate interface is further provided on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021912705.8U CN214276557U (en) | 2020-09-04 | 2020-09-04 | Low-pressure cylinder steam exhaust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021912705.8U CN214276557U (en) | 2020-09-04 | 2020-09-04 | Low-pressure cylinder steam exhaust device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214276557U true CN214276557U (en) | 2021-09-24 |
Family
ID=77804940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021912705.8U Expired - Fee Related CN214276557U (en) | 2020-09-04 | 2020-09-04 | Low-pressure cylinder steam exhaust device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214276557U (en) |
-
2020
- 2020-09-04 CN CN202021912705.8U patent/CN214276557U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210924 |