CN211115030U - Steam turbine power generation system - Google Patents
Steam turbine power generation system Download PDFInfo
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- CN211115030U CN211115030U CN201920728472.7U CN201920728472U CN211115030U CN 211115030 U CN211115030 U CN 211115030U CN 201920728472 U CN201920728472 U CN 201920728472U CN 211115030 U CN211115030 U CN 211115030U
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- 238000010248 power generation Methods 0.000 title claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 44
- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 25
- 239000011229 interlayer Substances 0.000 description 16
- 238000000605 extraction Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a steam turbine power generation field discloses a steam turbine power generation system, wherein, steam turbine power generation system includes: the boiler room is internally provided with a boiler; a steam turbine room (1); the steam inlet of the steam turbine set (3) is arranged at the same height as the steam outlet of the boiler and is communicated with the steam outlet of the boiler; an air cooling platform; steam exhaust pipeline (4) of line, steam exhaust pipeline (4) connect in steam turbine group (3) and orientation air cooling platform (5) horizontal extension, steam exhaust pipeline (4) connect in heat dissipation bank of tubes (6). Through above-mentioned technical scheme, because the exhaust steam pipe set up highly along with the high increase on steam turbine operation layer and improve, the length of exhaust steam pipe obviously shortens, the cost is reduced, and the vibration intensity reduces, has improved the security performance.
Description
Technical Field
The utility model relates to a steam turbine power generation field specifically relates to steam turbine power generation system.
Background
The thermal power plant includes boiler factory building and steam turbine factory building, in order to reduce the length of pipeline between steam turbine and the boiler and turn round, can be with the steam turbine design for roughly as high as the boiler.
The steam exhausted by the steam turbine can adopt a direct air cooling system, the air cooling platform is provided with a heat radiation pipe row, and the design of a steam exhaust pipeline between the steam turbine and the air cooling platform has great difficulty due to the height difference between the air cooling platform and a steam turbine running layer.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steam turbine power generation system to solve the design problem of the exhaust steam pipeline between steam turbine unit and the air cooling platform.
In order to achieve the above object, the present invention provides a steam turbine power generation system, wherein, the steam turbine power generation system includes:
the boiler room is internally provided with a boiler;
the steam turbine comprises a steam turbine room, wherein a steam turbine running layer is arranged in the steam turbine room;
the steam turbine set is arranged on the steam turbine running layer, and a steam inlet of the steam turbine set is arranged at the same height as a steam outlet of the boiler and is communicated with the steam outlet of the boiler;
the air cooling platform is horizontally spaced from the steam turbine room, and a heat dissipation pipe row is arranged on the air cooling platform;
the steam extraction pipeline of line, steam extraction pipeline connect in the turbine unit and orientation the air cooling platform level extends, steam extraction pipeline connect in the heat dissipation bank of tubes.
Preferably, the height of the turbine running layer is 50m-60m, and the height of the steam exhaust pipeline is 55m-56 m.
Preferably, the steam exhaust pipeline extends along the width direction of the steam turbine room, the width of the steam turbine room is 13m-14m, and the length of the steam turbine room is 165m-170 m.
Preferably, the steam turbine set is further connected to the steam exhaust pipeline through a low-pressure bypass pipeline provided with a three-stage desuperheater.
Preferably, the steam turbine room with be provided with between the air cooling platform and be located steam exhaust pipeline lower part supports the support frame of steam exhaust pipeline, the support frame install in the steam turbine room with the air cooling platform.
Preferably, the height of the air cooling platform is 40m-50 m.
Preferably, the steam turbine room comprises a 0m layer, a first intermediate interlayer, a condensed water tank layer, a second intermediate interlayer, a third intermediate interlayer and a fourth intermediate interlayer which are arranged from bottom to top.
Preferably, the height of the first interlayer is 6m to 8m, the height of the condensate tank layer is 13m to 15m, the height of the second interlayer is 19m to 22m, the height of the third interlayer is 26m to 29m, and the height of the fourth interlayer is 36m to 38 m.
Preferably, the air cooling platform includes fan array and the radiating unit array on upper portion in lower part, the heat dissipation bank of tubes sets up on the radiating unit array.
Preferably, one side of the air-cooling platform facing the steam turbine room is provided with a wind prevention member extending towards the steam turbine room, and the wind prevention member can at least partially block airflow in the vertical direction between the air-cooling platform and the steam turbine room.
Through above-mentioned technical scheme, because the exhaust steam pipe set up highly along with the high increase on steam turbine operation layer and improve, the length of exhaust steam pipe obviously shortens, the cost is reduced, and the vibration intensity reduces, has improved the security performance.
Drawings
Fig. 1 is a schematic structural diagram of a steam turbine power generation system according to an embodiment of the present invention.
Description of the reference numerals
1 steam turbine room 2 support frame
3 steam turbine set 4 steam exhaust pipeline
5 air cooling platform 6 heat radiation tube row
11 turbine running layer
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
The utility model provides a steam turbine power generation system, wherein, steam turbine power generation system includes:
the boiler room is internally provided with a boiler;
the system comprises a steam turbine room 1, wherein a steam turbine running layer 11 is arranged in the steam turbine room 1;
the steam turbine set 3 is arranged on the steam turbine running layer 11, and a steam inlet of the steam turbine set 3 is arranged at the same height as a steam outlet of the boiler and is communicated with the steam outlet;
the air cooling platform 5 is horizontally spaced from the steam turbine room 1, and a heat dissipation pipe row is arranged on the air cooling platform 5;
steam exhaust pipeline 4 of line, steam exhaust pipeline 4 connect in steam turbine group 3 and orientation 5 horizontal extension of air cooling platform, steam exhaust pipeline 4 connect in heat dissipation bank of tubes 6.
The boiler may provide steam to the steam turbine set 3 (indirectly or directly) to drive the steam turbine set 3 to do work, thereby driving a generator in driving connection with the steam turbine set 3 to generate electricity. The steam turbine set 3 is arranged at a relatively high position, and a steam inlet for receiving steam is ensured to be approximately equal to a steam outlet of the boiler, so that the length of a steam pipeline is reduced, corners and turning parts are reduced, the pipeline cost is saved, and the energy loss of the steam in the pipeline is reduced.
The steam after working is discharged from the steam turbine set 3, conveyed to a heat dissipation pipe row 6 of an air cooling platform 5 through a steam exhaust pipeline 4 for air cooling heat dissipation and condensation, and then further conveyed to a condenser. Wherein, the steam exhaust pipeline 4 is connected to the steam turbine unit 3, and the steam exhaust pipeline 4 horizontally penetrates through the steam turbine room 1 from the steam turbine running layer 11 and extends towards the air cooling platform 5 so as to be connected to the heat radiation pipe row 6 on the air cooling platform 6.
Because the setting height of the steam exhaust pipeline is improved along with the increase of the height of the steam turbine running layer 11, the length of the steam exhaust pipeline is obviously shortened, the cost is reduced, the vibration strength is reduced, and the safety performance is improved.
Wherein the height of the turbine operating layer 11 is 50m-60m, and the height of the exhaust pipeline 4 is 55m-56 m. Preferably, the height of the turbine operating floor 11 is 52m, the turbine unit 3 is disposed on the turbine operating floor 11, and the height of the exhaust duct 4 connected to the turbine unit 3 is preferably 56 m.
In addition, the steam exhaust pipeline 4 extends along the width direction of the steam turbine room 1, the width of the steam turbine room 1 is 13m-14m, and the length of the steam turbine room 1 is 165m-170 m. The extension direction of the steam exhaust duct 4 corresponds to the width direction of the steam turbine room 1, and since the steam turbine set 3 is disposed at a relatively high position, i.e. a position where the steam inlet is ensured to be level with the steam outlet of the boiler, which increases the overall height of the steam turbine room 1, more support layers can be disposed below the steam turbine running layer 11, thus allowing the steam turbine room 1 to have a relatively small width and height, preferably, the steam turbine room 1 has a width of 14m and a length of 167.5 m.
In addition, the steam turbine set 3 is also connected to the steam exhaust pipeline 4 through a low-pressure bypass pipeline provided with a three-stage desuperheater. The turbine group 3 is connected to the exhaust pipe 4 through a low-pressure bypass pipe to deliver steam into the exhaust pipe 4, and the temperature, pressure, etc. of the steam can be reduced by the three-stage desuperheater.
In addition, be provided with between the steam turbine room 1 and the air cooling platform 5 and be located steam exhaust pipeline 4 lower part supports steam exhaust pipeline 4's support frame 2, support frame 2 install in the steam turbine room 1 with the air cooling platform 5. Support frame 2 can install in the outer wall of steam turbine room 1 and the support column of air cooling platform 5 can support steam extraction pipeline 4 between steam turbine room 1 and the air cooling platform 5, improves steam extraction pipeline 4's stability. The support frame 2 can be connected with the support structure of the air cooling platform 5 in an integrated manner, and the outer wall of the steam turbine room 1 can be provided with a structure for supporting the support frame 2.
Specifically, the height of the air-cooling platform 5 is 40m-50 m. In addition, the height of the air cooling platform 5 is designed to ensure that the steam exhaust pipeline 4 horizontally extending to the air cooling platform 5 can be directly connected with the heat radiation pipe row 5 without arranging a transition pipe extending upwards or downwards in the vertical direction, and the height of the air cooling platform 5 can be designed to be 40m-50m, preferably 45m according to the height of the turbine operation layer 11.
In addition, steam turbine room 1 includes from 0 meter layer, first intermediate layer, condensate tank layer, second intermediate layer, third intermediate layer, fourth intermediate layer of from bottom to top arrangement. That is, the steam turbine room 1 generally includes 7 supporting floors arranged from bottom to top, and the turbine operating floor 11 is located at the highest 7 floors to accommodate the height of the boiler.
Specifically, the height of the first intermediate interlayer is 6m to 8m, the height of the condensate tank layer is 13m to 15m, the height of the second intermediate interlayer is 19m to 22m, the height of the third intermediate interlayer is 26m to 29m, and the height of the fourth intermediate interlayer is 36m to 38 m. Preferably, the height of the first interlayer is 6.9m, the height of the condensate tank layer is 13.7m, the height of the second interlayer is 20m, the height of the third interlayer is 27.2m, and the height of the fourth interlayer is 37.5m
In addition, the air cooling platform 5 includes fan array and the radiating unit array on upper portion of lower part, the heat dissipation bank of tubes sets up on the radiating unit array. The radiating tube bank comprises a plurality of branch tubes which are connected in parallel and have relatively small outer diameters, and can divide steam from the steam exhaust pipeline into a plurality of branches, so that the heat exchange area is increased. The heat dissipation tube bank can transfer heat to the heat dissipation unit array, the fan array provides heat dissipation airflow to the heat dissipation unit array, and the heat dissipation unit array can be a heat dissipation fin with a heat dissipation channel.
Further, one side of the air cooling platform 5 facing the steam turbine room 1 is provided with a wind prevention member extending towards the steam turbine room 1, and the wind prevention member can at least partially block the airflow between the air cooling platform 5 and the steam turbine room 1 in the vertical direction. Wherein, above the fan array can form ascending heat dissipation air current with the low temperature air of air cooling platform 5 downside, the heat dissipation air current takes away the heat behind the radiating element array to reach 5 tops of air cooling platform, can be to diffusion around, and prevent wind the air current downflow that the piece can block upper portion, avoid the high temperature air current on upper portion to influence the air temperature of air cooling platform 5 downside, reduce the influence to the heat-sinking capability.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide the technical solution of the present invention with a plurality of simple modifications, including combining each specific technical feature in any suitable manner, and in order to avoid unnecessary repetition, the present invention does not provide additional description for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (9)
1. A steam turbine power generation system, comprising:
the boiler room is internally provided with a boiler;
the system comprises a steam turbine room (1), wherein a steam turbine running layer (11) is arranged in the steam turbine room (1);
the steam turbine set (3) is arranged on the steam turbine running layer (11), and a steam inlet of the steam turbine set (3) is arranged at the same height as a steam outlet of the boiler and is communicated with the steam outlet;
the air cooling platform (5) is horizontally spaced from the steam turbine room (1), and a heat dissipation pipe row (6) is arranged on the air cooling platform (5);
the steam exhaust pipeline (4) is connected to the steam turbine set (3) and extends horizontally towards the air cooling platform (5), and the steam exhaust pipeline (4) is connected to the heat dissipation pipe row (6);
wherein, steam turbine room (1) with be provided with between the air cooling platform and be located steam exhaust pipeline (4) lower part supports support frame (2) of steam exhaust pipeline (4), support frame (2) install in steam turbine room (1) with air cooling platform (5).
2. The steam turbine power generation system according to claim 1, wherein the height of the steam turbine running layer (11) is 50m to 60m, and the height of the exhaust steam duct (4) is 55m to 56 m.
3. Steam turbine power generation system according to claim 1, characterized in that the steam exhaust duct (4) extends in the width direction of the steam turbine room (1), the width of the steam turbine room (1) is 13m-14m, and the length of the steam turbine room (1) is 165m-170 m.
4. Steam turbine power generation system according to claim 1, characterized in that the steam turbine set (3) is further connected to the steam exhaust line (4) by a low pressure bypass line provided with a three-stage desuperheater.
5. The steam turbine power generation system of claim 1, wherein the air-cooled platform has a height of 40m to 50 m.
6. Steam turbine power generation system according to claim 1, characterized in that the steam turbine room (1) comprises a 0 meter layer, a first intermediate layer, a condensate tank layer, a second intermediate layer, a third intermediate layer, a fourth intermediate layer, arranged from bottom to top.
7. The steam turbine power generation system of claim 6, wherein the first intermediate sandwich layer has a height of 6m to 8m, the condensate tank layer has a height of 13m to 15m, the second intermediate sandwich layer has a height of 19m to 22m, the third intermediate sandwich layer has a height of 26m to 29m, and the fourth intermediate sandwich layer has a height of 36m to 38 m.
8. The steam turbine power generation system of claim 1, wherein the air-cooled platform includes a lower fan array and an upper array of heat dissipating units, the array of heat dissipating tubes being disposed on the array of heat dissipating units.
9. Steam turbine power generation system according to claim 8, characterized in that the side of the air-cooled platform facing the steam turbine room (1) is provided with a wind shield extending towards the steam turbine room (1), which wind shield is capable of at least partially blocking the air flow in the vertical direction between the air-cooled platform and the steam turbine room (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728472.7U CN211115030U (en) | 2019-05-20 | 2019-05-20 | Steam turbine power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728472.7U CN211115030U (en) | 2019-05-20 | 2019-05-20 | Steam turbine power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211115030U true CN211115030U (en) | 2020-07-28 |
Family
ID=71701074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920728472.7U Active CN211115030U (en) | 2019-05-20 | 2019-05-20 | Steam turbine power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211115030U (en) |
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2019
- 2019-05-20 CN CN201920728472.7U patent/CN211115030U/en active Active
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