CN202056858U - Boiler steam-driven water supply system - Google Patents
Boiler steam-driven water supply system Download PDFInfo
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- CN202056858U CN202056858U CN2011200899264U CN201120089926U CN202056858U CN 202056858 U CN202056858 U CN 202056858U CN 2011200899264 U CN2011200899264 U CN 2011200899264U CN 201120089926 U CN201120089926 U CN 201120089926U CN 202056858 U CN202056858 U CN 202056858U
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- steam turbine
- feed pump
- water supply
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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
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Abstract
The utility model discloses a boiler steam-driven water supply system, which comprises a steam turbine generator unit and a steam-driven feedwater pump unit, wherein the steam turbine generator unit and the steam-driven feedwater pump unit are arranged in a steam turbine room operation layer, the steam turbine generator unit comprises a steam turbine host, and the steam-driven feedwater pump unit is used for supplying water to the steam turbine generator unit. The steam feedwater pump unit is provided with a condenser and arranged on a platform in front of a steam turbine host head, and the axis of the steam feedwater pump unit is perpendicular to that of the steam turbine generator unit. The steam-driven feedwater pump unit comprises two steam-driven feedwater pumps which are arranged on the same axis. The boiler steam-driven water supply system is suitable for both direct air cooling units with big capacity and wet cooling units with the condensers. The boiler steam-driven water supply system reasonably utilizes the platform in front of the steam turbine host head in the steam turbine room operation layer, effectively compresses the volume and occupied area of plants, and saves quantity of pipelines and cables of power plants, and saves initial investment. The steam feedwater pump unit is arranged in the operation layer so as to facilitate overhaul, operation and maintenance.
Description
Technical field
The utility model relates to the thermal power generation field, a kind of specifically boiler steam-operating water supply system of large-scale thermal power machine group.
Background technology
Boiler steam-operating water supply system comprises steam turbine power generation unit, steam feed pump group.The steam turbine power generation unit comprises the steam turbine main frame, the steam feed pump group mainly is made up of two steam feed pumps, steam feed pump comprises fore pump and main pump, fore pump is by motor-driven, main pump is driven by feed pump turbine, and feed pump turbine need be provided with the condenser of steam discharge, generally speaking, feed pump turbine can carry independent condenser, also the steam discharge of feed pump turbine can be entered the condenser of steam turbine main frame.Usually, the main building in thermal power plant is arranged and is followed successively by steam turbine building, deaerator bay, bunker bay, boiler room etc., the colonnade numbering of main building is the A row by first organ timbering of steam turbine building, be followed successively by B, C row to the boiler direction, steam turbine building A list in and B row between, deaerator bay is between the B row are listed as with C.Steam turbine building comprises zero rice layer, intermediate layer, the running layer that is provided with from top to bottom, pipeline and house-service equipment etc. are arranged in the steam turbine building intermediate layer, steam turbine building running layer is arranged Turbo-generator Set, the place ahead of the steam turbine main frame head of Turbo-generator Set is provided with the platform of certain altitude, and running layer top is provided with the driving rail of allocation and transportation.Deaerator bay comprises zero rice layer, intermediate layer, running layer, the deoxygenation layer of arranging from top to bottom.The steam feed pump group is the most important subsidiary engine equipment of power plant, and multiple arrangement is arranged, and this mainly is because the design of feed pump group plays important effect to power plant safety, stable and economical operation.
At present, the arrangement of boiler steam-operating water supply system has multiple mode:
1) steam turbine building running layer is arranged by the B row: the steam feed pump group is arranged in the running layer near the B row, steam feed pump group and Turbo-generator Set are arranged in parallel, the feed pump turbine steam discharge directly enters the condenser of steam turbine main frame, the steam feed pump group can directly be utilized steam turbine building driving lifting, inspection travel is easy to maintenance, this scheme generally is applicable to fore pump and main pump scheme arranged apart, and fore pump generally is arranged in main building zero rice layer.
2) deaerator bay zero rice layer BC row are arranged: the steam feed pump group is arranged between the deaerator bay zero rice layer BC row, the steam feed pump group generally adopts fore pump and main pump coaxial arrangement scheme, steam discharge enters the condenser of steam turbine main frame on the feed pump turbine, steam feed pump group repair and maintenance need dispose independent lifting facility, repair and maintenance inconvenience, but fore pump and main pump coaxial arrangement, fore pump drags with the feed pump steam turbine, saves the part station service.
3) the steam turbine building intermediate layer is arranged by the B row: the steam feed pump group is arranged in the position of steam turbine building intermediate layer near the B row, the steam feed pump group generally adopts fore pump and main pump coaxial arrangement scheme, feed pump turbine need carry independent condenser, because the fore pump position is higher, the oxygen-eliminating device of deaerator bay deoxygenation layer needs high-order relatively the layout, increases the main building volume comparatively speaking.
The utility model content
The utility model technical issues that need to address provide a kind of connection and reasonable arrangement, effectively compress the boiler steam-operating water supply system of factory building volume and floor space.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:
Boiler steam-operating water supply system, comprise a Turbo-generator Set that comprises the steam turbine main frame of arranging in the steam turbine building running layer, be the steam feed pump group of Turbo-generator Set water supply, described steam feed pump group carries condenser, and the steam feed pump group is arranged on the platform in steam turbine main frame head the place ahead.
Further improvement of the utility model is: the axis of described steam feed pump group and the axis of Turbo-generator Set are orthogonal.
Further improvement of the utility model is: described steam feed pump group comprises two steam feed pumps, two steam feed pump coaxial arrangement.
Because the technological progress of having adopted technique scheme, the utility model to obtain is:
The utility model is arranged in the steam feed pump group on the platform in steam turbine building running layer steam turbine head the place ahead, the axis of steam feed pump group and the axis of Turbo-generator Set are orthogonal, not only be suitable for high-capacity direct and connect Air-cooled Unit, also be applicable to the clammy unit that carries condenser, rationally utilized the platform in steam turbine building running layer steam turbine head the place ahead, effectively compressed factory building volume and floor space, saving power plant pipeline and cable consumption, save initial cost; The steam feed pump group is arranged in the running layer, and inspection travel is easy to maintenance; The steam feed pump group adopts pipeline to be connected with Turbo-generator Set, and short victory and technological process are reasonable; The feed pump steam turbine carries condenser, the through feed pump turbine condenser of condensate water gravity flow or pump; When the steam feed pump group comprises two steam feed pumps, the steam feed pump group can be arranged pump by pump, also can adopt the layout of feed pump turbine to feed pump turbine, and arrangement is flexible, each steam feed pump is arranged on the same axis, has further rationally utilized the space of platform.
Description of drawings
Fig. 1 is a deployment scenarios of the present utility model.
Wherein, 1, Turbo-generator Set, 2, platform, 3, steam feed pump, 4, the A row, 5, B row.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further details:
Boiler steam-operating water supply system, as shown in Figure 1, comprise the Turbo-generator Set 1 of arranging between interior A row 4 of running layer and the B row 5, steam feed pump group for Turbo-generator Set water supply, Turbo-generator Set comprises the steam turbine main frame, the steam feed pump group comprises two steam feed pumps 3, steam feed pump 3 is made up of fore pump and main pump, fore pump is by motor-driven, main pump is driven by feed pump turbine, feed pump turbine carries condenser, described steam feed pump group is arranged on the platform 2 in steam turbine main frame head the place ahead, and the axis of the axis of steam feed pump group and Turbo-generator Set 1 is orthogonal, each steam feed pump 3 coaxial arrangement of steam feed pump group.
Claims (3)
1. boiler steam-operating water supply system, comprise the interior Turbo-generator Set that comprises the steam turbine main frame (1) of arranging of steam turbine building running layer, be the steam feed pump group that Turbo-generator Set (1) supplies water, it is characterized in that: described steam feed pump group carries condenser, and the steam feed pump group is arranged on the platform (2) in steam turbine main frame head the place ahead.
2. boiler steam-operating water supply system according to claim 1 is characterized in that: the axis of the axis of described steam feed pump group and Turbo-generator Set (1) is orthogonal.
3. boiler steam-operating water supply system according to claim 1 and 2 is characterized in that: described steam feed pump group comprises two steam feed pumps (3), two steam feed pumps (3) coaxial arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200899264U CN202056858U (en) | 2011-03-31 | 2011-03-31 | Boiler steam-driven water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200899264U CN202056858U (en) | 2011-03-31 | 2011-03-31 | Boiler steam-driven water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202056858U true CN202056858U (en) | 2011-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200899264U Expired - Lifetime CN202056858U (en) | 2011-03-31 | 2011-03-31 | Boiler steam-driven water supply system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202056858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535897A (en) * | 2012-01-30 | 2012-07-04 | 浙江省电力设计院 | Layout structure of bottom layer of steam engine room for steam feed pump group of fuel electric plant of 300 MW or more |
-
2011
- 2011-03-31 CN CN2011200899264U patent/CN202056858U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535897A (en) * | 2012-01-30 | 2012-07-04 | 浙江省电力设计院 | Layout structure of bottom layer of steam engine room for steam feed pump group of fuel electric plant of 300 MW or more |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111130 |