CN104563552B - A kind of preposition turbine generator computer room for merging high-order arrangement with side coal bunker - Google Patents
A kind of preposition turbine generator computer room for merging high-order arrangement with side coal bunker Download PDFInfo
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- CN104563552B CN104563552B CN201510028582.9A CN201510028582A CN104563552B CN 104563552 B CN104563552 B CN 104563552B CN 201510028582 A CN201510028582 A CN 201510028582A CN 104563552 B CN104563552 B CN 104563552B
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- steam turbine
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Abstract
The invention provides a kind of preposition turbine generator computer room for merging high-order arrangement with side coal bunker, the computer room includes：Boiler, side bunker bay, deaerator bay, the first steam turbine generator, the second steam turbine generator and denitration steelframe；Wherein, in the side bunker bay near-end adjacent side, deaerator bay is set, in the deaerator bay adjacent side, steam turbine building is set, the second steam turbine generator is provided with the steam turbine building, second steam turbine generator is provided with high pressure cylinder, intermediate pressure cylinder, low pressure (LP) cylinder, low-pressure heater and oxygen-eliminating device, condenser and condensate pump and the first generator；And side coal bunker framework is set on the side bunker bay, one preposition computer room is set on the top of the side coal bunker framework, and the bottom of the side coal bunker framework is connected with side bunker bay, and the first steam turbine generator is provided with the preposition computer room.The present invention reduces the floor space of preposition unit, saves high-temperature and pressure pipeline, and the investment of high temperature piping can be greatly reduced, and improves up-time efficiency.
Description
Technical field
The present invention relates to power plant building construction applications, in particular it relates to a kind of merge the preposition of high-order arrangement with side coal bunker
Turbine generator computer room.
Background technology
In conventional thermal power plant, because steam turbine generator volume is larger, equipment is heavier, is usually placed in from ground
On the support for rising, civil engineering structure cost is relatively low.But because boiler is higher, and the main piping interface such as boiler main vapour, reheating is located at
Upper boiler, therefore the length of the main piping of high temperature high pressure large caliber such as main vapour, reheating connected between boiler and steam turbine is more long, pipe
It is relatively costly；And piping is more long, flow resistance can be caused accordingly to increase, reduce the economy that unit normally runs.
It is ultra supercritical double reheat power generation sets for sub- Transformation of Unit as the occasion requires, then the position of above-mentioned preposition computer room is needed
Suit measures to local conditions to be considered according to field condition, and main feedwater, main steam and cold section of single reheat are saved in combination with consideration
The length of pipeline.
A kind of feasible technology is that steam turbine generator is arranged into boiler top, or is arranged into the platform chosen from boiler
On, so as to shorten the distance between boiler and steam turbine.But this technology needs to increase substantial amounts of boiler steel structure, and grate model
Also arranged boiler plant in enclosing, the arrangement for front end processor is very nervous.Cost is also resulted in be significantly increased.
Therefore, this area increases less in the urgent need to developing a kind of civil engineering structure cost, and high temperature piping cost is greatly reduced,
And up-time efficiency is improved, the preposition turbine generator computer room of the high-order arrangement with more preferable investment yield.
The content of the invention
Increase less it is an object of the invention to provide a kind of civil engineering structure cost, high temperature piping cost is greatly reduced, and just
Normal operational efficiency is improved, the preposition turbine generator computer room of the high-order arrangement with more preferable investment yield.
The first aspect of the present invention provides a kind of preposition turbine generator computer room for merging high-order arrangement with side coal bunker, the machine
Room includes：Boiler, side bunker bay, deaerator bay, the first steam turbine generator, the second steam turbine generator and denitration steelframe；
Wherein, deaerator bay is set in the side bunker bay near-end adjacent side, vapour is set in the deaerator bay adjacent side
Computer room, is provided with the second steam turbine generator in the steam turbine building, second steam turbine generator is provided with high pressure cylinder, intermediate pressure cylinder, low pressure
Cylinder, low-pressure heater and oxygen-eliminating device, condenser and condensate pump and the first generator；
And side coal bunker framework is set on the side bunker bay, one front end processor is set on the top of the side coal bunker framework
Room, and the bottom of the side coal bunker framework is connected with side bunker bay, and the first steam turbine generator is provided with the preposition computer room.
In another preference, the preposition computer room is provided with first steam turbine generator, and volume is 36000m3。
In another preference, the preposition computer room is provided with two the first steam turbine generators, and volume is 72000m3。
In another preference, first steam turbine generator is additionally provided with ultra-high pressure cylinder, back pressure steam-extracting type small turbine, height
Pressure heater, feed pump, the second generator.
In another preference, the boiler is 2.
In another preference, the deaerator bay is 2.
In another preference, the side bunker bay is arranged in the middle of 2 boilers.
In another preference, described deaerator bay is provided with oxygen-eliminating device, and the admission end of the oxygen-eliminating device is connected with low pressure (LP) cylinder,
The water inlet end of oxygen-eliminating device is connected with low-pressure heater, and the water side of oxygen-eliminating device is connected with feed pump.
In another preference, the preposition computer room is with main feed water pipe road, main steam line and low-temperature primary reheated steam
Pipeline is connected with boiler.
In another preference, 50%-60% is reduced in the main steam line place.
In another preference, the main steam line relative length is 3/10.
In another preference, the absolute growth≤40m of the main steam line.
In another preference, the preposition computer room is 60m with the connection piping length of boiler.
In another preference, the position of the preposition computer room is higher than described steam turbine building.
In another preference, first steam turbine generator is the high-pressure shaft pastern point of steam turbine generator.
In another preference, first steam turbine generator is preposition steam turbine generator.
In another preference, exerting oneself for first steam turbine generator is the 20%-40% of the second steam turbine generator.
In another preference, the volume of first steam turbine generator is 465m3。
In another preference, second steam turbine generator is the low-pressure shaft pastern point of steam turbine generator.
In another preference, high temperature interface distance is 80m between second steam turbine generator and boiler.
In another preference, second steam turbine generator is with high temperature single reheat jet chimney, low temperature double reheat
Jet chimney and high temperature secondary reheaing steam pipe are connected with boiler.
In another preference, second steam turbine generator is 140m with the connection piping length of boiler.
In another preference, distance of the preposition computer room apart from ground is 60m.
In another preference, the distance on the centre distance ground of the preposition computer room is 70m.
It should be understood that within the scope of the present invention, above-mentioned each technical characteristic of the invention and have in below (eg embodiment)
Can be combined with each other between each technical characteristic of body description, so as to constitute new or preferred technical scheme.As space is limited, exist
This no longer tires out one by one states.
Brief description of the drawings
Fig. 1 is twin shaft machine set system flow chart.
Fig. 2 is the left view and plan of the single shaft steam turbine generator main building of another prior art.
Fig. 3 is the left view of the preposition turbine generator computer room for merging high-order arrangement with side coal bunker shown in the embodiment of the present invention 1
Figure and plan.
Fig. 4 is the left view of the preposition turbine generator computer room for merging high-order arrangement with side coal bunker shown in the embodiment of the present invention 2
Figure and plan.
Reference
C1 turbine low pressure cylinders
C2 Steam Turbine Through IP Admissions
C3 steam turbine high-pressure cylinders
C4 steam turbine ultra-high pressure cylinders
C5 back pressure steam-extracting type small turbines
A0 condensers
A1 condensate pumps
A2 low-pressure heaters and oxygen-eliminating device
A3 feed pumps
B0 boilers
B1 air preheaters
H high-pressure heaters
The generators of G1 first
The generators of G2 second
1 main steam line
2 low-temperature primary reheaing steam pipes
3 main feed water pipe roads
4 high temperature single reheat jet chimneys
5 low temperature double reheat jet chimneys
6 high temperature secondary reheaing steam pipes
Specific embodiment
The present inventor is studied and is compared for the mill construction of various different designs by in-depth study extensively
Compared with, develop first and devise it is a kind of novelty high-level arrangement turbine generator main building.In this new mill construction, pass through
The preposition computer room of high-order arrangement is set on the bunker bay of side, it is possible to decrease the construction costs of overall factory building, and can further be carried
The operational efficiency of steam turbine generator high, so as to significantly improve the economy of normal operation.Additionally, the structure additionally aids reduction pot
The maintenance cost of the main pipings of high temperature high pressure large caliber such as main vapour, the reheating connected between stove and preposition computer room, overall cost energy
Enough to reduce at least 18%, due to drag reduction, pipeline efficiency at least improves about 55%.The present invention is completed on this basis.
Term is explained
Twin shaft unit：Turbo-generator Set is divided into two parts of high pressure and mesolow, each from into shafting, drives generator
Generate electricity；There are application in foreign countries in vast capacity unit.
Preposition steam turbine generator：The ultra-high pressure cylinder of Turbo-generator Set, back pressure are drawn gas backheat small turbine, generator system
Deng, it is also possible to (or not) timing gear roller box, Driven by Coaxial main feed pump are configured, can apply to new-built unit；Can also apply
In old Transformation of Unit (subcritical to upgrade to ultra supercritical, newly added equipment).
High position arrangement：For low position, on the support routinely steam turbine generator is arranged in by ground, peace
Dress absolute altitude is relatively low.The support of the steam turbine generator of high position arrangement is located at frame structure top, and installed height mark is of a relatively high.
Air preheater：Denitration steelframe is on the air channel between boiler and air preheater.
Main advantages of the present invention include：
(1) preferably, the steam turbine generator being arranged on the coal bunker framework of side is relatively arranged in the structural stability of side coal bunker framework
Steam turbine generator operation on boiler steel structure is relatively stablized, while construction investment expense can be reduced.
(2) not only high-order steam turbine, and between low level steam turbine and boiler high temperature interface distance all shorten, piping length
Reduce, flow resistance is reduced, investment is reduced, unit efficiency is improved.
(3) the preposition steam turbine generator of the high-order arrangement of the present invention is applicable to the preposition Turbo-generator Set of pure condensate formula, more suitable
For the preposition Turbo-generator Set of back pressure type；New-built unit is not only suitable for, the unit of upgrading is more suitable for.
(4) high-order steam turbine main building arrangement of the invention is applicable to single reheat thermal power plant, is equally applicable to
Double reheat thermal power plant.
(5) high-order steam turbine main building arrangement of the invention has good security.
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.
Embodiment 1
Fig. 3 is the structure chart of the preposition turbine generator computer room of coal bunker merging high-order arrangement in side in the embodiment of the present invention 1.
Compared with the steam turbine generator main building shown in Fig. 2, the preposition computer room of single unit is passed through side coal bunker by the present invention
Frame arrangement is above the bunker bay of side.
The preposition turbine generator computer room structure that side coal bunker of the invention merges high-order arrangement includes：2 boilers, positioned at boiler
Middle side bunker bay, 2 deaerator bays, the first steam turbine generator, the second steam turbine generator and denitration steelframes；Wherein, described
Bunker bay near-end adjacent side in side sets deaerator bay, and steam turbine building is set in the adjacent side of the deaerator bay, is set in the steam turbine building
There is the second steam turbine generator, the second steam turbine generator is provided with high pressure cylinder, intermediate pressure cylinder, low pressure (LP) cylinder, low-pressure heater and oxygen-eliminating device, coagulates
Vapour device, condensate pump and the first generator.Wherein, high temperature interface distance is 80m between the second steam turbine generator and boiler, and
As shown in figure 1, the second steam turbine generator is with high temperature single reheat jet chimney, low temperature double reheat jet chimney and high temperature secondary
Reheaing steam pipe is connected with boiler, and it is 140m with the connection piping length of boiler.
As shown in figure 1, being provided with oxygen-eliminating device in deaerator bay, the admission end of the oxygen-eliminating device is connected with low pressure (LP) cylinder, oxygen-eliminating device
Water inlet end is connected with low-pressure heater, and the water side of oxygen-eliminating device is connected with feed pump.
Side coal bunker framework is set on the bunker bay of side, and in side, the top of coal bunker framework sets a preposition computer room, apart from ground
60m, its centre distance ground 70m.
The volume of the preposition computer room of single unit is 36000m3, the first steam turbine generator, the first steamer hair are provided with it
Motor is additionally provided with ultra-high pressure cylinder, back pressure steam-extracting type small turbine, high-pressure heater, feed pump and the second generator.Wherein, first
The volume of steam turbine generator is 465m3, it is the 20%-40% of the second steam turbine generator that it is exerted oneself.
As shown in figure 1, preposition computer room is with main feed water pipe road, main steam line and low-temperature primary reheaing steam pipe and boiler
It is connected.
Main steam line place can be reduced 50%-60% by the preposition turbine generator computer room of the high-order arrangement of the present embodiment 1,
And the relative length of main steam line can reach 3/10, and absolute growth≤40m, preposition computer room is long with the connection piping of boiler
Degree can shorten to 60m, can be by the cost savings 45% of main steam line, overall cost reduction by 18%, and pipeline efficiency is improved
More than 55%.
Embodiment 2
Fig. 4 is the structure chart of the preposition turbine generator computer room of coal bunker merging high-order arrangement in side in the embodiment of the present invention 2.
Embodiments of the invention 2 are similar to Example 1, and difference is：By two preposition computer rooms of the first steam turbine generator
Merging is disposed in the side coal bunker top in the middle of 2 boilers.The preposition computer room volume of dual stage unit is 72000m3。
Main steam line place can be reduced 50%-60% by the preposition turbine generator computer room of the high-order arrangement of the present embodiment 2,
And the relative length of main steam line can reach 3/10, and absolute growth≤40m, preposition computer room is long with the connection piping of boiler
Degree can shorten to 60m, can be by the cost savings 45% of main steam line, overall cost reduction by 18%, and pipeline efficiency is improved
More than 58%.
Comparative example 1
Compared with Example 1, difference is：Preposition computer room is arranged in side bunker bay side, near deaerator bay.
The main steam line that this comparative example 1 is used is more long than the main steam line that embodiment 1, embodiment 2 are used, main steaming
The cost in steam pipe road can only save 30%, overall cost reduction by 8%, pipeline efficiency raising about 30%.
Comparative example 2
Compared with Example 1, difference is：Preposition computer room is arranged in side bunker bay bottom.
The main steam line that this comparative example 1 is used is more long than the main steam line that embodiment 1, embodiment 2 are used, main steaming
The cost in steam pipe road can only save 20%, overall cost reduction by 6%, pipeline efficiency raising about 25%.
The all documents referred in the present invention are all incorporated as reference in this application, independent just as each document
It is incorporated as with reference to such.In addition, it is to be understood that after above-mentioned instruction content of the invention has been read, those skilled in the art can
Made various changes or modifications with to the present invention, these equivalent form of values equally fall within the model that the application appended claims are limited
Enclose.
Claims (9)
1. it is a kind of to merge the high-order preposition turbine generator computer room arranged with side coal bunker, it is characterised in that the computer room includes：Pot
Stove, side bunker bay, deaerator bay, the first steam turbine generator, the second steam turbine generator and denitration steelframe；
Wherein, deaerator bay is set in the side bunker bay near-end adjacent side, steam turbine building is set in the deaerator bay adjacent side,
It is provided with the second steam turbine generator in the steam turbine building, second steam turbine generator is provided with high pressure cylinder, intermediate pressure cylinder, low pressure (LP) cylinder, low
Pressure heater and oxygen-eliminating device, condenser and condensate pump and the first generator；
And side coal bunker framework is set on the side bunker bay, one preposition computer room is set on the top of the side coal bunker framework,
And the bottom of the side coal bunker framework is connected with side bunker bay, the first steam turbine generator, the side are provided with the preposition computer room
Bunker bay is arranged in the middle of 2 boilers, and the preposition computer room is with main feed water pipe road, main steam line and low-temperature primary reheated steam
Pipeline is connected with boiler, the absolute growth≤40m of the main steam line.
2. computer room as claimed in claim 1, it is characterised in that first steam turbine generator is additionally provided with ultra-high pressure cylinder, back pressure
Steam-extracting type small turbine, high-pressure heater, feed pump, the second generator.
3. computer room as claimed in claim 1 or 2, it is characterised in that described deaerator bay is provided with oxygen-eliminating device, the oxygen-eliminating device
Admission end is connected with described low pressure (LP) cylinder, and the water inlet end of oxygen-eliminating device is connected with described low-pressure heater, the water side of oxygen-eliminating device
It is connected with described feed pump.
4. computer room as claimed in claim 1, it is characterised in that second steam turbine generator is with high temperature single reheat steam pipe
Road, low temperature double reheat jet chimney and high temperature secondary reheaing steam pipe are connected with boiler.
5. computer room as claimed in claim 1, it is characterised in that the preposition computer room is 60m with the connection piping length of boiler.
6. computer room as claimed in claim 1, it is characterised in that first steam turbine generator is the high-pressure shaft of steam turbine generator
Pastern point.
7. computer room as claimed in claim 1, it is characterised in that exerting oneself for first steam turbine generator is the second turbine generator
The 20%-40% of machine.
8. computer room as claimed in claim 1, it is characterised in that second steam turbine generator is the low-pressure shaft of steam turbine generator
Pastern point.
9. computer room as claimed in claim 1, it is characterised in that distance of the preposition computer room apart from ground is 60m.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028582.9A CN104563552B (en) | 2015-01-20 | 2015-01-20 | A kind of preposition turbine generator computer room for merging high-order arrangement with side coal bunker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028582.9A CN104563552B (en) | 2015-01-20 | 2015-01-20 | A kind of preposition turbine generator computer room for merging high-order arrangement with side coal bunker |
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| CN104563552A CN104563552A (en) | 2015-04-29 |
| CN104563552B true CN104563552B (en) | 2017-06-16 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101042058A (en) * | 2007-04-27 | 2007-09-26 | 冯伟忠 | Novel steam-electric generating set |
| CN102352696A (en) * | 2011-06-23 | 2012-02-15 | 中国电力工程顾问集团西北电力设计院 | Lateral structure and arranging method of steam turbine generator unit of 1000MW-grade set in thermal power plant |
| CN102677923A (en) * | 2011-03-18 | 2012-09-19 | 中国电力工程顾问集团华东电力设计院 | Main plant with steam turbine generator arranged on high level |
| CN203487818U (en) * | 2013-08-09 | 2014-03-19 | 华能国际电力股份有限公司 | Main power house of thermal power plant |
| CN204456987U (en) * | 2015-01-20 | 2015-07-08 | 中国电力工程顾问集团华东电力设计院有限公司 | A kind ofly merge the high-order preposition turbine generator machine room arranged with side coal bunker |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5954709A (en) * | 1982-09-22 | 1984-03-29 | Hitachi Ltd | Steam turbine plant |
| CN102677921B (en) * | 2011-03-18 | 2015-01-21 | 中国电力工程顾问集团华东电力设计院 | Main power house for side-position arranged turbine generator |
| CN202100032U (en) * | 2011-05-25 | 2012-01-04 | 中国电力工程顾问集团公司 | Direct air-cooling steam turbine generator set system |
-
2015
- 2015-01-20 CN CN201510028582.9A patent/CN104563552B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101042058A (en) * | 2007-04-27 | 2007-09-26 | 冯伟忠 | Novel steam-electric generating set |
| CN102677923A (en) * | 2011-03-18 | 2012-09-19 | 中国电力工程顾问集团华东电力设计院 | Main plant with steam turbine generator arranged on high level |
| CN102352696A (en) * | 2011-06-23 | 2012-02-15 | 中国电力工程顾问集团西北电力设计院 | Lateral structure and arranging method of steam turbine generator unit of 1000MW-grade set in thermal power plant |
| CN203487818U (en) * | 2013-08-09 | 2014-03-19 | 华能国际电力股份有限公司 | Main power house of thermal power plant |
| CN204456987U (en) * | 2015-01-20 | 2015-07-08 | 中国电力工程顾问集团华东电力设计院有限公司 | A kind ofly merge the high-order preposition turbine generator machine room arranged with side coal bunker |
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| CN104563552A (en) | 2015-04-29 |
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