CN212002518U - Gas and steam combined cycle unit structure - Google Patents
Gas and steam combined cycle unit structure Download PDFInfo
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- CN212002518U CN212002518U CN202020203922.3U CN202020203922U CN212002518U CN 212002518 U CN212002518 U CN 212002518U CN 202020203922 U CN202020203922 U CN 202020203922U CN 212002518 U CN212002518 U CN 212002518U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The utility model relates to a gas steam combined cycle unit structure. This gas steam combined cycle unit structure includes upper factory building and lower floor's factory building, be equipped with gas turbine and gas turbine generator in the factory building of lower floor, upper factory building includes left factory building and right factory building, be equipped with steam turbine, steam turbine generator and exhaust-heat boiler equipment between supplementary in the left side factory building, be equipped with exhaust-heat boiler in the right side factory building. The structure of the gas-steam combined cycle unit of the utility model reduces the total volume of the factory building; the distance between the steam turbine and the waste heat boiler is reduced, the length of a steam-water pipeline connected with the steam turbine and the waste heat boiler is effectively reduced, the length of an expensive high-temperature high-pressure steam pipeline in a steam pipeline system is particularly reduced, and the initial investment is favorably reduced. The utility model discloses a gas steam combined cycle unit structure is through reducing pipeline length, effectively reduces pipe-line system's pressure drop and heat dissipation loss, has improved the hot economic nature of unit.
Description
Technical Field
The utility model relates to a power generation facility technical field especially relates to a gas steam combined cycle unit structure.
Background
The operation mode of the gas-steam combined cycle unit is that a gas turbine drives a steam turbine to operate, the exhaust gas of the gas turbine is discharged into a waste heat boiler, and the generated high-temperature and high-pressure steam drives the steam turbine to drive the steam turbine to generate electricity.
At present, the layout scheme of a main plant of a domestic gas-steam combined cycle unit is generally arranged according to a plurality of modules of a gas turbine generator module, a steam turbine generator module and a waste heat boiler island module. According to the requirement of environmental protection and noise reduction at present, the waste heat boiler feed pump all sets up independent factory building, generally arranges next to waste heat boiler, is called the boiler and assists the room.
There are several typical main plant layout forms, as shown in fig. 1-3. In the main plant, the boiler auxiliary room is only provided with a boiler feed water pump, a connecting pipeline between the boiler and the steam turbine, a part of electronic equipment room and the like, most of space is not utilized, and great space waste exists. And the connecting pipelines between the boiler and the steam turbine, particularly the high-pressure main steam and reheating hot section pipelines and the like adopt inlet pipes, and the distance from the auxiliary chamber to the main plant is long, so that the initial investment is large.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a gas steam combined cycle unit structure to solve current gas steam combined cycle unit and have great space extravagant, the high technical problem of cost.
The utility model discloses a technical scheme of gas steam combined cycle unit structure is:
the utility model provides a gas steam combined cycle unit structure, includes upper factory building and lower floor's factory building, be equipped with gas turbine and gas turbine generator in the factory building of lower floor, upper factory building includes left factory building and right factory building, be equipped with steam turbine, steam turbine generator and exhaust-heat boiler equipment between supplementary in the left side factory building, be equipped with exhaust-heat boiler in the right side factory building.
As a further improvement to the technical scheme, a water feeding pump, a vacuum pump, an auxiliary machine cooling water pump and a condensate pump are further arranged in the left factory building, and the steam turbine generator are located on the upper sides of the water feeding pump, the vacuum pump, the auxiliary machine cooling water pump and the condensate pump.
As a further improvement to the technical scheme, steam turbine generator unit oil system equipment, high, medium and low pressure main steam valves and bypass valves are further arranged in the left factory building, and the steam turbine generator unit oil system equipment, the high, medium and low pressure main steam valves and the bypass valves are located on the lower sides of the water feed pump, the vacuum pump, the auxiliary machine cooling water pump and the condensate pump.
The utility model provides a gas steam combined cycle unit structure compares with prior art, and its beneficial effect lies in:
the gas-steam combined cycle unit structure of the utility model reduces the total volume of the factory building; the distance between the steam turbine and the waste heat boiler is reduced, the length of a steam-water pipeline connected with the steam turbine and the waste heat boiler is effectively reduced, the length of an expensive high-temperature high-pressure steam pipeline in a steam pipeline system is particularly reduced, and the initial investment is favorably reduced.
The utility model discloses a gas steam combined cycle unit structure is through reducing pipeline length, effectively reduces pipe-line system's pressure drop and heat dissipation loss, has improved the hot economic nature of unit.
The utility model discloses a gas steam combined cycle unit structure has reduced the distance of condenser and circulating water pump room, has reduced the length of circulating water pipe (buried pipe).
Drawings
FIG. 1 is a schematic diagram of a gas-steam combined cycle plant configuration of the prior art;
FIG. 2 is a schematic diagram of a gas-steam combined cycle plant configuration of the prior art;
FIG. 3 is a schematic diagram of a gas-steam combined cycle plant configuration of the prior art;
FIG. 4 is a schematic diagram of a gas-steam combined cycle plant configuration of the prior art;
FIG. 5 is a schematic structural diagram of a gas-steam combined cycle unit structure according to the present invention;
FIG. 6 is a schematic view of the internal structure of the gas-steam combined cycle unit structure of the present invention;
wherein: 1. a gas turbine; 2. a gas turbine generator; 3. a steam turbine; 4. a steam wheel generator; 5. a waste heat boiler; 6. auxiliary room of waste heat boiler equipment.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The utility model discloses a specific embodiment of gas steam combined cycle unit structure, including upper factory building and lower floor's factory building, be equipped with gas turbine 1 and gas turbine generator 2 in the lower floor's factory building, upper factory building includes left factory building and right factory building, be equipped with steam turbine 3, steam turbine generator 4 and exhaust-heat boiler equipment between supplementary 6 in the left side factory building, be equipped with exhaust-heat boiler 5 in the right side factory building.
In this embodiment, still be equipped with water feed pump, vacuum pump, auxiliary engine cooling water pump and condensate pump in the left side factory building, steam turbine 3 and steam turbine generator 4 are located water feed pump, vacuum pump, auxiliary engine cooling water pump, condensate pump upside.
In this embodiment, still be equipped with steam turbine generator 4 groups oil system equipment, high, middle, low pressure main vapour valve and bypass valve in the left factory building, steam turbine generator 4 groups oil system equipment, high, middle, low pressure main vapour valve and bypass valve are located feed pump, vacuum pump, auxiliary engine cooling water pump, condensate pump downside.
The utility model provides a gas and steam combined cycle unit structure, compared with the prior art, the utility model has the advantages that,
the structure of the gas-steam combined cycle unit of the utility model reduces the total volume of the factory building; the distance between the steam turbine 3 and the waste heat boiler 5 is reduced, the length of a steam-water pipeline connecting the steam turbine 3 and the waste heat boiler 5 is effectively reduced, the length of an expensive high-temperature high-pressure steam pipeline in a steam pipeline system is particularly reduced, and the initial investment is favorably reduced.
The utility model discloses a gas steam combined cycle unit structure is through reducing pipeline length, effectively reduces pipe-line system's pressure drop and heat dissipation loss, has improved the hot economic nature of unit.
The gas and steam combined cycle unit structure reduces the distance between the condenser and the circulating water pump room and reduces the length of a circulating water pipe (buried pipe).
The utility model discloses a gas steam combined cycle unit structure's arrangement method does: the gas turbine and the gas turbine generator are arranged in a lower-layer plant, the steam turbine generator and the waste heat boiler equipment auxiliary room are arranged in a left plant, and the waste heat boiler is arranged in a right plant.
In this embodiment, arrange water feed pump, vacuum pump, auxiliary engine cooling water pump and condensate pump in left factory building, and steam turbine generator are located water feed pump, vacuum pump, auxiliary engine cooling water pump, condensate pump upside.
In this embodiment, arrange steam turbine generator set oil system equipment, high, well, low pressure main steam valve and bypass valve in left factory building, just steam turbine generator set oil system equipment, high, well, low pressure main steam valve and bypass valve are located feed pump, vacuum pump, auxiliary engine cooling water pump, condensate pump downside.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides a gas steam combined cycle unit structure, its characterized in that, includes upper factory building and lower floor's factory building, be equipped with gas turbine and gas turbine generator in the factory building of lower floor, upper factory building includes left factory building and right factory building, be equipped with steam turbine, steam turbine generator and exhaust-heat boiler equipment between supplementary in the left side factory building, be equipped with exhaust-heat boiler in the factory building of right side.
2. The gas-steam combined cycle unit structure according to claim 1, wherein a water feed pump, a vacuum pump, an auxiliary cooling water pump and a condensate pump are further arranged in the left plant, and the steam turbine generator are located on the upper sides of the water feed pump, the vacuum pump, the auxiliary cooling water pump and the condensate pump.
3. The gas-steam combined cycle unit structure according to claim 2, wherein a steam turbine generator unit oil system device, a high-pressure main steam valve, a medium-pressure main steam valve, a low-pressure main steam valve and a bypass valve are further arranged in the left plant, and the steam turbine generator unit oil system device, the high-pressure main steam valve, the medium-pressure main steam valve, the low-pressure main steam valve and the bypass valve are located on the lower side of the water feed pump, the vacuum pump, the auxiliary cooling water pump and the condensate pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020203922.3U CN212002518U (en) | 2020-02-24 | 2020-02-24 | Gas and steam combined cycle unit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020203922.3U CN212002518U (en) | 2020-02-24 | 2020-02-24 | Gas and steam combined cycle unit structure |
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| Publication Number | Publication Date |
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| CN212002518U true CN212002518U (en) | 2020-11-24 |
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| CN202020203922.3U Active CN212002518U (en) | 2020-02-24 | 2020-02-24 | Gas and steam combined cycle unit structure |
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| CN (1) | CN212002518U (en) |
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- 2020-02-24 CN CN202020203922.3U patent/CN212002518U/en active Active
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