CN104652863B - Method for open-air arrangement of main plant of fuel gas-steam combined-cycle power plant - Google Patents
Method for open-air arrangement of main plant of fuel gas-steam combined-cycle power plant Download PDFInfo
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- CN104652863B CN104652863B CN201510031698.8A CN201510031698A CN104652863B CN 104652863 B CN104652863 B CN 104652863B CN 201510031698 A CN201510031698 A CN 201510031698A CN 104652863 B CN104652863 B CN 104652863B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
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Abstract
The invention relates to an open-air distributing structure of a main plant of a thermal power plant, in particular to a method for open-air arrangement of the main plant of a fuel gas-steam combined-cycle power plant. The method has the key points that the open-air arrangement is carried out by adopting cover shells by gas turbines and gas turbine generators in a gas turbine generator unit, other auxiliary devices adopt a container form to carry out concentrated open-air arrangement at one side, which is close to the corresponding gas turbine and gas turbine generator, of each of the other auxiliary devices, and a passage is reserved at the other side of each auxiliary device to be used for an overhauling crane to stop. According to the method disclosed by the invention, a steam turbine is in high-position arrangement, downward steam discharging is adopted, buildings above a running layer are removed by a steam turbine room, and a floor slab of the running layer is used as a top cover of the steam turbine room; a gantry crane or an automobile crane is adopted, thus the works of installing and civil engineering can be simultaneously carried out or can be orderly carried out in a crossing way, the construction period is shortened, building materials are saved, the construction cost is reduced, and the running cost of heating, ventilation and air conditioning is effectively reduced.
Description
Technical field
The present invention relates to a kind of outdoor distributed structure of thermal power plant main building, particularly a kind of gas-steam combined is followed
The outdoor method for arranging of ring power plant main power house.
Background technology
Gas-steam Combined Cycle power plant compares conventional thermal power plant and has following several respects advantage：Reliability is adjusted up to 96%
Section maneuverability, start and stop are rapid, and varying duty ability is strong；Construction period is short, run and maintenance cost is low；Energy utilization rate is high, sends out
Electrical efficiency is up to 55% ~ 58%；Therrmodynamic system is simple, and steam turbine building floor space is few；The row of the harmful gass such as SO2, NOX is reduced effectively
High-volume, can be near load or city-building；Water consumption is few, and the 1/3 or so of general only conventional thermal power plant.
Gas-steam Combined Cycle power plant main power house mainly includes combustion engine room, steam turbine building and waste heat boiler room.According to installation
Capacity, construction place natural conditions, fuel are supplied condition, undertake load character and gas turbine, steam turbine and waste heat boiler
There are two kinds of shaft arrangements of single shaft and multiaxis in the difference of pattern, combined-cycle power plant, main building arrangement mode is various.
By taking multiaxis configuration as an example, prior art combined-cycle power plant main building site plan referring to the drawings 1, combustion engine room
And waste heat boiler sectional drawing, referring to the drawings 2, steam turbine building sectional drawing is then referring to the drawings 3.Figure Middle combustion engine generating set low position, vapour
The high-order arrangement of machine generating set, using lower steam discharge.Fuel engine power generation unit mainly includes that fuel engine power generation machine 1, combustion engine 2, aerofluxuss spread
Section 3, combustion engine case 6 and air intake installation 7；Chimney bypass 4, waste heat boiler 5 are sequentially arranged after aerofluxuss diffuser 3；As shown in Fig. 2
Enclose contained by the combustion engine room 9 built by combustion engine 2, combustion engine case 6 and combustion engine supplementary module 10A, 10B, 10C, in combustion engine room 9
Be additionally provided with bridge crane 8 for maintenance lift by crane.Steam turbine power generation unit mainly includes steam turbine power generation machine 11, steam turbine 12, steam turbine
And electromotor case 13 and condenser 14, as shown in figure 3, steam turbine building 16, whole steam turbine have been built in the periphery of steam turbine power generation unit
Room 16 includes 0 meter of bottom, 6.50 meters of intermediate layers, 13.00 meters of operating layers and more than 13.00 meters structural constructions and roof；Condensing
Device 14 is positioned over 0 meter of bottom position, and steam turbine 12 and 11 high position of steam turbine power generation machine are positioned on operating layer, and the lid of electromotor case 13 covers
On steam turbine 12 and steam turbine power generation machine 11；Bridge crane 15 is provided with steam turbine building 16, for overhauling lifting.13.00 rice is transported
Turn on layer, to leave manhole C, D, E, F, G, H, to lift by crane auxiliary equipment in 0 meter of bottom and 6.50 meters of intermediate layers, generally lay
Steel grating, referring to accompanying drawing 1；Manhole J to by need maintenance the big part of steam turbine and auxiliary equipment transport bottom space for maintenance to,
I, K are the stair that intermediate layer leads to operating layer.As shown in Figure 1,1 outdoor arrangement of fuel engine power generation machine, arranges in combustion engine Room 2, vapour
Arrange in machine electromotor 11 and steam turbine Room 12.Supplementary module 10A, PPC power control centers 10D and supplementary module in combustion engine room 9
10B, 10C are arranged in the not homonymy of combustion engine 2；Big part maintenance placement area A, the B of combustion engine and supplementary module 10B, 10C homonymy, lean on
Leave the gate towards outside combustion engine room 9 in nearly 1 side of fuel engine power generation machine.
As fuel engine power generation unit, steam turbine power generation unit are all arranged in combustion engine room and steam turbine building, therefore civil engineering work
Journey is larger, and construction material consumption is more；Civil engineering and equipment are installed and are difficult to while carry out, to carry out according to order, so
Completion time of project is longer, and as building material price and freight go up, international market is constantly carried to construction prescription
Height, the completion time of project requirement to combined-cycle power plant are more and more stricter.Construction material is saved, construction quality is improved, is shortened and build
Duration, become the direction for building that combined-cycle power plant makes great efforts.
The content of the invention
It is an object of the invention to can effectively shorten the completion time of project according to one kind is provided in place of the deficiencies in the prior art,
Save raw material, the outdoor method for arranging of Gas-steam Combined Cycle power plant main power house reducingd the construction costs.
The outdoor method for arranging of main building of the present invention is realized by following approach：
The outdoor method for arranging of Gas-steam Combined Cycle power plant main power house, which is characterized by, and comprises the steps：
Combined-cycle power plant's main building includes fuel engine power generation unit, steam turbine power generation unit and waste heat boiler room, fuel engine power generation
Unit connects waste heat boiler；
Fuel engine power generation unit includes fuel engine power generation machine, combustion engine, combustion engine case and plural number set combustion engine supplementary module, cancels combustion
Bridge crane in machine room and combustion engine room, arranges autocrane；Combustion engine case lid covers whole combustion engine, plural number set combustion engine auxiliary
Module is adjusted to the same side of combustion engine, and is set to container pattern；Automobile when another side of combustion engine is overhauled as combustion engine
Crane docks, the big part maintenance placement area of combustion engine of one side of former combustion engine are adjusted to a side zones of fuel engine power generation machine
Domain；
Steam turbine power generation unit includes steam turbine power generation machine, steam turbine, steam turbine building, steam turbine and electromotor case and condenser, takes
Structural construction and the roof more than original steam turbine building of disappearing operating layer, while cancelling the bridge crane in steam turbine building；Thus steam turbine
Room is made up of bottom, intermediate layer and operating layer, using the layer that operates as the roofing of steam turbine building, is set in the left and right sides of operating layer
Crane runway is equipped with, gantry crane is installed in orbit；Operating layer steam turbine and generator cover cap overlay on steam turbine and
On steam turbine power generation machine, centered on the steam turbine and electromotor case, the floor of the layer that operates is constructed to surrounding in progressively lower gradient.
First, fuel engine power generation unit cancels combustion engine room, and combustion engine and its supplementary module adopt the outdoor arrangement of container pattern, vapour
Machine generating set then cancels the structural construction of more than operating layer, takes half outdoor mode to arrange, effectively reduces most soil
Construction is built, the completion time of project is not only substantially reduced, and has been saved construction material, reduce construction cost, further can also
Effectively reduce and reduce the operating cost of heating and ventilation and air adjustment；Secondly as the main building framework such as no combustion engine room is built
If restriction, equipment is installed and construction work just can be carried out simultaneously, or cross-operation in an orderly manner, substantially increases construction speed
Degree.The technical method of the solve problem of the present invention is exactly that the capital equipment of combined-cycle power plant is carried out outdoor arrangement.With send out
Electric equipment manufacturing technology and the high development with distant place automatic control technology, take necessary protection to arrange to existing generating equipment
Apply, it is possible to adapt to the installation environment of outdoor arrangement.Outdoor arrangement answers emphasis to consider dust-proof, moistureproof, anti-corrosion, antifreeze, antinoise
Requirement, therefore good place natural environment is also the essential condition for building combined cycle outdoor power plant.
The present invention further can be specially：
Fuel engine power generation unit includes PPC power control centers, and which is adjusted to and is answered from a side region of fuel engine power generation machine
Number set combustion engine supplementary module the same side, positioned at another side region of fuel engine power generation machine.
PPC power control centers are adjusted to and each supplementary module the same side, are easy to centralized Control to operate；So PPC is electric
Power control centre is just listed in fuel engine power generation machine both sides with the big part maintenance placement area point of combustion engine, and combustion engine is opened cylinder, hangs rotor in overhaul
When autocrane can be directly to up to by combustion engine；After combustion engine pedestal and supplementary module foundation construction are finished, you can risen with automobile
Heavy-duty machine installs combustion engine.
In steam turbine power generation unit, steam turbine and electromotor case can adopt following two schemes：
One kind is：Steam turbine and electromotor case are overall merogenesis movable structure, the i.e. cover on steam turbine and electromotor
Shell is an entirety, and each part is mutually flexibly connected each other, while door and window is provided with case.
This is a kind of structure that integral protection is carried out to steam turbine and electromotor, can keep good ventilation and heating, also
Enough spaces can be left and required with meeting operation.
Another kind is：Steam turbine and electromotor case include steam turbine speed regulator case, high and medium voltage cylinder case, bearing
Part closure, shaft coupling case, barring gear case and exciter case, it is separate between each case.
This is a kind of scheme that case protection is carried out to steam turbine major part, due to steam turbine low pressure (LP) cylinder and engine block certainly
Body can also meet outdoor arrangement requirement, therefore can not consider.But it is preferred that the first scheme.
In steam turbine power generation unit, there are on the operating layer of steam turbine building a plurality of manholes, the surrounding of each manhole is equal
Retaining ring is provided with, while removable formula rain cover of slinging is provided with above manhole, the rain cover will correspond to manhole
Retaining ring is completely covered by, and is sealed using encapsulant with retaining ring periphery contact portion, rain cover inside rain cover
Top adopts transparent material.
As manhole is downwards up to intermediate layer, it is therefore desirable to carry out rainproof treatment, in addition, adopt at the top of rain cover can be saturating
Luminescent material can solve the problems, such as the daylighting of manhole.
In sum, it is an advantage of the current invention that：
1st, fuel engine power generation unit Middle combustion engine, fuel engine power generation machine carry out outdoor arrangement using case, and other auxiliary equipments are adopted
Container pattern carries out concentrating outdoor arrangement, opposite side to reserve passage conduct near gas turbine, gas turbine powered generator side
Maintenance crane is stopped and is used.The high-order arrangement of steam turbine, using lower steam discharge.Steam turbine building is divided into operating layer, intermediate layer and bottom, cancels
More than operating layer build, using the layer that operates as the roofing of steam turbine building.Cancel more than combustion engine room building and steam turbine building operating layer to build,
Save construction material.Using gantry crane or autocrane, when combustion engine pedestal and supplementary module basis, steam turbine building operating layer
After following civil engineering structure construction is finished, you can fuel engine power generation unit and turbine LP rotors are installed with crane, are shortened and is built
Duration.Outdoor arrangement can effectively reduce the operating cost of heating and ventilation and air adjustment simultaneously.
2nd, due to the restriction for not having main building framework, as long as by taking into full account and arranging in establishment technique scheme, tissue
When applying with production plan, consider comprehensively, it is unified to arrange, install and construction work just can be carried out simultaneously or be intersected in an orderly manner
Operation, substantially increases speed of application.
3rd, in terms of service condition, the design of outdoor combined-cycle power plant will make control operation element according to equipment system
The possibility made is concentrated as far as possible, is reduced operating scatter operation face, is improved constantly labor efficiency.Centralized operation face, has
Help reduce the area of operating room and volume, be to be created conditions using more perfect heating and ventilation and air adjustment measure, have
Beneficial to making centralized control room be arranged in region of the on-site away from main building, sound pollution is reduced.
Description of the drawings
Fig. 1 show prior art combined-cycle power plant multiaxis main building site plan described in background of invention；
Fig. 2 show prior art combined-cycle power plant multiaxis combustion engine room described in background of invention and waste heat boiler is disconnected
Face figure；
Fig. 3 show prior art combined-cycle power plant multiaxis steam turbine building sectional drawing described in background of invention；
Fig. 4 show combined-cycle power plant's multiaxis main building site plan described in the embodiment of the present invention；
Fig. 5 show combined-cycle power plant's multiaxis combustion engine room described in the embodiment of the present invention and waste heat boiler sectional drawing；
Fig. 6 show combined-cycle power plant's multiaxis steam turbine building sectional drawing described in the embodiment of the present invention.
Below in conjunction with the accompanying drawings the present invention is further elaborated.
Specific embodiment
Most preferred embodiment：
The outdoor method for arranging of Gas-steam Combined Cycle power plant main power house, comprises the steps：
Referring to the drawings 4 and accompanying drawing 5（Control Fig. 1 and Fig. 2）, fuel engine power generation unit include fuel engine power generation machine 1, combustion engine 2, combustion
Hood shell 6 and plural number set combustion engine supplementary module 10A, 10B, 10C.Cancel combustion engine room 9, cancel combustion engine room bridge crane 8, arrange
Autocrane；Combustion engine 2 adopts 6 integral protection of combustion engine case, its rain-proof, dust-proof, sand prevention and bears the functions such as wind, snow load and exists
Strengthened on the basis of indoor arrangement, so as to fully meet the requirement of outdoor arrangement；By supplementary module 10A and PPC electric power control
Center 10D processed is adjusted to and 10B, 10C the same side, and supplementary module 10B, 10C share a container, and supplementary module 10A is independent
One container, such PPC power control centers 10D just overhaul placement area A with the big part of combustion engine（Or B）Divide and be listed in fuel engine power generation
Machine both sides.
Reserve autocrane when two regions of L, M are overhauled for combustion engine to stop, such combustion engine is opened cylinder, hangs rotor in overhaul
When autocrane can be directly to up to by combustion engine 2；Combustion engine big part maintenance placement area A, B are adjusted in original PPC Electric controls
The position of heart 10D；After combustion engine pedestal and supplementary module foundation construction are finished, you can combustion engine is installed with autocrane.
Referring to the drawings 4 and accompanying drawing 6（Contrast accompanying drawing 1 and accompanying drawing 3）, steam turbine power generation unit includes steam turbine power generation machine 11, steam turbine
12nd, steam turbine and electromotor case 13 and condenser 14, cancel more than operating layer building and roof 16, cancel steam turbine building overhead traveling crane
Machine 15, thus steam turbine building by bottom, intermediate layer and operating layer constitute, will operating floor plate as steam turbine building roofing, for rain-proof
Snow and draining, centered on case, the floor of the layer that operates is constructed to surrounding in progressively lower gradient.Roofing surrounding arrange railing or
Person's parapet.Civil engineering structure is constructed to operating layer and lays crane runway 18, installation door in the left and right sides of operating layer on
Formula crane 17, it is possible to start steam turbine installation.The auxiliary device of steam turbine and steam turbine power generation machine, remaining auxiliary equipment and a large amount of
Steam-water pipe is arranged in bottom and intermediate layer, under the protection in operating floor plate；Steam turbine pedestal is through operating floor plate
Place, surrounding should have gutter and rain cover to prevent rainwater from leaking down along steam turbine pedestal；Pipeline should through at operating floor plate holes
Retaining ring is set, it is same on pipeline that rain cover is set.
Steam turbine, steam turbine generator body carry out outdoor protection using steam turbine and electromotor case 13, its rain-proof, it is dust-proof,
Sand prevention and bearing on the basis of the functions such as wind, snow load are arranged indoors is strengthened, and according to natural conditions situation, case 13 can
Using two schemes.The first is movable for overall merogenesis, carries out integral protection to steam turbine and electromotor, and is equipped with necessary door
Window, keeps good ventilation and heating, leaves enough spaces and meets operation requirement.Second main to steam turbine speed regulator, height
（In）The positions such as air cylinder, bearing portions, shaft coupling, barring gear and exciter carry out case protection, independent between each case.
Steam turbine low pressure (LP) cylinder and engine block itself can meet outdoor arrangement requirement.
Maintenance hole.Operating layer manhole C, D, E, F, G, H and J surrounding arranges retaining ring, arranges removable slinging thereon
Retaining ring can be covered by formula rain cover, rain cover completely, with retaining ring periphery contact portion using sealing inside rain cover
Material is sealed, and adopts transparent material, such as glass block to solve the problems, such as daylighting at the top of rain cover；Adjustment intermediate layer is to operating
Floor ladder I, K position, avoids portal crane rail 18, arranges rain-proof room and protected at the top of stair.
The not described part of the present invention is same as the prior art.
Claims (4)
1. the outdoor method for arranging of Gas-steam Combined Cycle power plant main power house, it is characterised in that comprise the steps：Combine and follow
Ring power plant main power house includes fuel engine power generation unit, steam turbine power generation unit and waste heat boiler, fuel engine power generation unit connection waste heat pot
Stove；Fuel engine power generation unit includes fuel engine power generation machine, combustion engine, combustion engine case and plural number set combustion engine supplementary module, cancels combustion engine room
With the bridge crane in combustion engine room, autocrane is set；Combustion engine case lid covers whole combustion engine, plural number set supplementary module adjustment
To the same side of combustion engine, and each it is set to container pattern；Automobile crane when another side of combustion engine is overhauled as combustion engine
Machine docks, the big part maintenance placement area of combustion engine of one side of former combustion engine are adjusted to a side area of fuel engine power generation machine；
Steam turbine power generation unit includes steam turbine power generation machine, steam turbine, steam turbine building, steam turbine and electromotor case and condenser, cancels former
The building having more than steam turbine building operating layer and roof, while cancelling the bridge crane in steam turbine building；Thus steam turbine building by bottom,
Intermediate layer and operating layer composition, using the layer that operates as the roofing of steam turbine building, are provided with lifting in the left and right sides of operating layer on
Machine track, is provided with gantry crane in orbit；Steam turbine and steam turbine power generation are overlayed in operating layer steam turbine and generator cover cap
On machine, centered on the steam turbine and electromotor case, the floor of the layer that operates is constructed to surrounding in progressively lower gradient；
Fuel engine power generation unit also includes PPC power control centers, and which is adjusted to and plural number from a side region of fuel engine power generation machine
Set combustion engine supplementary module the same side, positioned at another side region of fuel engine power generation machine.
2. the outdoor method for arranging of Gas-steam Combined Cycle power plant main power house according to claim 1, it is characterised in that
Steam turbine and electromotor case are one whole for overall merogenesis movable structure, the i.e. case on steam turbine and steam turbine power generation machine
Body, each part are mutually flexibly connected each other, while door and window is provided with case.
3. the outdoor method for arranging of Gas-steam Combined Cycle power plant main power house according to claim 1, it is characterised in that
Steam turbine and electromotor case include steam turbine speed regulator case, high and medium voltage cylinder case, bearing portions case, coupling guard
Shell, barring gear case and exciter case, it is separate between each case.
4. the outdoor method for arranging of Gas-steam Combined Cycle power plant main power house according to claim 1, it is characterised in that
In steam turbine power generation unit, there are on the operating layer of steam turbine building a plurality of manholes, the surrounding of each manhole is provided with gear
Hydrosphere, while removable formula rain cover of slinging is provided with above manhole, the rain cover will be the retaining ring of correspondence manhole complete
Complete hiding is lived, and is sealed using encapsulant with retaining ring periphery contact portion, adopt at the top of rain cover inside rain cover
Transparent material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510031698.8A CN104652863B (en) | 2015-01-22 | 2015-01-22 | Method for open-air arrangement of main plant of fuel gas-steam combined-cycle power plant |
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| CN201510031698.8A CN104652863B (en) | 2015-01-22 | 2015-01-22 | Method for open-air arrangement of main plant of fuel gas-steam combined-cycle power plant |
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| CN104652863B true CN104652863B (en) | 2017-04-26 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822098B (en) * | 2015-11-26 | 2017-12-15 | 中国能源建设集团浙江省电力设计院有限公司 | A kind of general arrangement of power island structure of one-to-one multiaxis combustion engine extraction condensing back pressure press group combined-cycle power plant |
| CN105604357A (en) * | 2016-03-07 | 2016-05-25 | 中国能源建设集团广东省电力设计研究院有限公司 | Main power house layout structure of single-shaft gas-steam combined cycle units |
| CN113353800A (en) * | 2021-04-30 | 2021-09-07 | 中国神华能源股份有限公司国华电力分公司 | Special device for high-position arrangement of No. 8 and No. 9 high pressure steam turbines in position |
| CN114251143A (en) * | 2022-01-24 | 2022-03-29 | 西门子能源有限公司 | Main plant layout structure of single-shaft gas and steam combined cycle generator set |
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Address after: 350003 Gulou District, Fujian, Fuzhou No. 54 Road, No. 268 Patentee after: China Electric Power Construction Group Fujian electric survey and Design Institute Co., Ltd. Address before: 350003 Gulou District, Fujian, Fuzhou No. 54 Road, No. 268 Patentee before: Fujian Electric Power Survey and Design Institute |