CN207485050U - A kind of large-size thermal power plant main building arrangement structure - Google Patents
A kind of large-size thermal power plant main building arrangement structure Download PDFInfo
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- CN207485050U CN207485050U CN201721417390.8U CN201721417390U CN207485050U CN 207485050 U CN207485050 U CN 207485050U CN 201721417390 U CN201721417390 U CN 201721417390U CN 207485050 U CN207485050 U CN 207485050U
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- turbine
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Abstract
The utility model discloses a kind of large-size thermal power plant main building arrangement structure, two groups of turbine LP rotors tails arrange tail in main building, framework corresponding to the switchgear house of two groups of turbine LP rotors is provided with central station of floating dock, setting twin columns pillar in the steam turbine building of two groups of turbine LP rotors, compared with traditional 600MW grades of main building, independent She Jikong buildings are not needed to, the advantages of program is the cost for reducing Ji Kong buildings；Turbo-generator Set tail is arranged symmetrically tail, two set generators are close to Overhaul Yard arrangement, turbine body installation can be made not influenced by generator unit stator lifting, be conducive to the installation tissue of entire Turbo-generator Set, shorten the engineering construction duration, each region space for maintenance general overhaul of main building is convenient, and pipe portion is artistically decorated smooth, cable arrangements compact and reasonable runs, is easy to maintain quick.
Description
【Technical field】
The utility model belongs to thermal power plant main building design field, is related to a kind of main factory of large-size thermal power plant
Room arrangement.
【Background technology】
In traditional thermal power plant, due to being limited by traditional design thinking, main building is set respectively with Ji Kong buildings, main
Ji Kong buildings are separately provided outside workshop, cost is higher, and space is not abundant in the corresponding framework of main building distribution chamber region
It utilizes, existing arrangement is unfavorable for maintenance for generation companies and installation.
【Utility model content】
The utility model aim is to overcome the shortcomings of prior art, provides a kind of large-size thermal power plant main building
Arrangement optimizes main building arrangement, and double-span frame structure pattern is conducive to civil engineering structure antidetonation, and Turbo-generator Set tail is to tail pair
Claim to be disposed with the installation tissue conducive to entire Turbo-generator Set, shorten the engineering construction duration.
To achieve the above object, the utility model adopts the following technical solution：
A kind of large-size thermal power plant main building arrangement structure, main building are coal bunker formula structure before double frames, in main building
Two groups of turbine LP rotors tails arrange tail two groups of turbine LP rotors are close to Overhaul Yard arrangement, two groups of steam turbine hairs
Framework corresponding to the switchgear house of motor group is provided with central station of floating dock, and setting is double in the steam turbine building of two groups of turbine LP rotors
Column, two groups of turbine LP rotors conjunctions set a central station of floating dock, and not independent She Jikong buildings, coal bunker is arranged on central station of floating dock both sides.
Further, the steam turbine building of turbine LP rotors uses concrete structure, two twin columns is set to support in steam turbine building
Structure.
Further, the steam turbine building of turbine LP rotors uses steelframe structure, and a twin columns support construction is set in steam turbine building.
Further, three layer arrangement of steam turbine building of turbine LP rotors, respectively in the bottom of 0.00m, 6.9~7.8m
Interbed, 13.7~15.50m operating layer and 25~34m remove oxygen layer.
Further, operating layer arrangement has high-pressure heater.
Further, deoxygenation layer arrangement has externally arranged steam cooler, oxygen-eliminating device, closed type water tank.
The large-size thermal power plant main building arrangement structure of the utility model, two groups of turbine LP rotors tails in main building
Tail is arranged, the framework corresponding to the switchgear house of two groups of turbine LP rotors is provided with central station of floating dock, two groups of steam turbine hairs
Setting twin columns pillar, compared with traditional 600MW grades of main building, does not need to independent She Jikong buildings, the party in the steam turbine building of motor group
The advantages of case is the cost for reducing Ji Kong buildings；Turbo-generator Set tail is arranged symmetrically tail, and two set generators are close to examine
Field arrangement is repaiied, turbine body installation can be made not influenced by generator unit stator lifting, be conducive to entire Turbo-generator Set
Tissue is installed, shortens the engineering construction duration, generator unit stator is not needed to rotate in the air, not carried when being lifted to operating layer
While high cost, problem is lifted by crane when solving generator unit stator installation, makes safety more secure, each region maintenance of main building
Space general overhaul is convenient, and pipe portion is artistically decorated smooth, cable arrangements compact and reasonable, operation, easy to maintain quick.
Setting twin columns pillar in the steam turbine building of two groups of turbine LP rotors, double-span frame structure pattern are conducive to civil engineering structure
Antidetonation.
【Description of the drawings】
Fig. 1：Main building plan view
【Specific embodiment】
Below in conjunction with attached drawing and example, the utility model is described in further detail.
As shown in Figure 1, using main building using double frame-preceding coal bunkers, turbine LP rotors tail arranges tail, No. 1 machine
Head extends ends towards fixing end, No. 2 machine heads directions.Steam turbine building length 154.8m after optimization, steam turbine building span 30m, deoxygenation
9 meters of frame span, two stove spacing 94.8m.Central station of floating dock arrangement is planned to two-unit-control room scheme, i.e. two machine combinations set a collection control
Room is arranged in main building frame, not independent She Jikong buildings.
Three layers of steam turbine building point：Bottom (0.00 meter), middle layer (6.9~7.8 meters), operating layer (13.7~15.50 meters).
Zero meter of layer arrangement has condenser, and condenser takes out pipe direction towards A organ timberings.Two knapsack type hydrophobic development units are respectively arranged
On the outside of condenser.Condenser sets -5.40 meters of cycle puddle, arranges recirculated water water-in and water-out pipeline.Condenser circulating water pipe
Import and export electric butterfly valve is arranged in steam turbine building cycle puddle；2 condensate pumps are arranged in the condensate pump hole of generator side
It is interior；Steam turbine head side is disposed with reconditioner, fire resistant oil device, oil transfer pump；Small turbine is disposed with by B organ timberings to supply
Oily device；Stator water collection assembling device, generator Seal Oil collection assembling device are disposed in generator side engine base.Generator side is arranged by A
Place's arrangement vacuum pump；Generate electricity drive end unit arrangement 400V switchgear houses；8th, No. 9 intercolumniations are zero meter of Overhaul Yard.
Middle layer is mainly pipe layers, is disposed with one small machine blow-off line, main fuel tank, enclosed bus of generator, excitation
Transformer, 6kV power distribution equipments, shaft sealing cooler and axial sealing blower fan, gland seal system valving station, main steam, reheated steam and other
Steam-water pipe and its valving station etc., 7, No. 8 low-pressure heaters are arranged in condenser throat.8th, maintenance lifting is equipped between No. 9 columns
Hole.
Operating layer is platform structure, and the steam feed pump of every crew qiting is disposed adjacent to 3/A organ timberings.Small steam turbine row
Steam ports is downward, steam discharge to host condenser.Two low voltage bypass devices are disposed with by steam turbine A rows side.To overhaul condensate pump
With main oil pump on steam turbine main fuel tank, it is equipped with the manhole with movable rack for 7.8 meters and 15.5 meters above it.It operates on layer also
There are installation and repairing space and channel, ensure putting for component and repair apparatus during installation and maintenance.Between 8, No. 9 columns extremely
Zero meter of maintenance lifting eye can meet steam turbine and turn over cylinder and Over-size transport lifting requirement.
Deoxygenation frame is divided into：Bottom (0.00m), middle layer (6.9~7.8 meters), operating layer (13.7~15.50m), deoxygenation
Layer (25.0~34m), specific arrangement are as follows：
Bottom arranges drain cooler, and heat pump fore pump, staircase, two machines centre third gear are Ji Kong buildings position, close to B
There are operation and maintenance channels for organ timbering side.
Intermediate No. 5 low-pressure heaters of layer arrangement, No. 6 low-pressure heaters.
Operate No. 1 high-pressure heater of layer arrangement, No. 2 high-pressure heaters, No. 3 high-pressure heaters.
No. 3 externally arranged steam coolers, oxygen-eliminating device, closed type water tanks are placed on except oxygen layer.
Steam turbine building channel
Space for maintenance is equipped in steam turbine building between two units.
Zero meter of steam turbine building has clear span two units of not less than 2.5 meters perforations there are 1.5 meters of access path by B organ timberings side
Channel, convenient for making an inspection tour and overhauling, transport.
The channel not less than 2.5 meters is being equipped with by B rows side layer by layer among steam turbine building, convenient for making an inspection tour and overhauling, transport.
Steam turbine building operating layer is large platform, and equipment is relatively fewer, and channel is rather spacious, unobstructed.
Every unit is being equipped with the platform staircase towards each layer by A organ timberings.
Central station of floating dock is arranged
Central station of floating dock arrangement is planned to two-unit-control room scheme, i.e. two machine combinations set a central station of floating dock, are arranged in main building frame
In frame.
The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific embodiment of the present utility model is only limitted to this, for the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, several simple deduction or replace can also be made, should be all considered as
Belong to the utility model and determine scope of patent protection by the claims submitted.
Claims (6)
1. a kind of large-size thermal power plant main building arrangement structure, it is characterised in that：Main building is coal bunker formula structure before double frames,
Two groups of turbine LP rotors tails arrange tail in main building, and two groups of turbine LP rotors are close to Overhaul Yard and arrange, two groups
Framework corresponding to the switchgear house of turbine LP rotors is provided with central station of floating dock, the steam turbine building of two groups of turbine LP rotors
Interior setting twin columns pillar, two groups of turbine LP rotors conjunctions set a central station of floating dock, and not independent She Jikong buildings, coal bunker is arranged on collection control
Room both sides.
2. large-size thermal power plant main building arrangement structure according to claim 1, it is characterised in that：Turbine generator
The steam turbine building of group is using concrete structure, steam turbine building two twin columns support constructions of interior setting.
3. large-size thermal power plant main building arrangement structure according to claim 1, it is characterised in that：Turbine generator
The steam turbine building of group is using steelframe structure, steam turbine building one twin columns support construction of interior setting.
4. large-size thermal power plant main building arrangement structure according to claim 1, it is characterised in that：Turbine generator
Three layer arrangement of steam turbine building of group, the respectively bottom of 0.00m, the middle layer of 6.9~7.8m, 13.7~15.50m operating layers and 25
~34m's removes oxygen layer.
5. a kind of large-size thermal power plant main building arrangement structure as described in claim 1, it is characterised in that：Operating layer arrangement has
High-pressure heater.
6. a kind of large-size thermal power plant main building arrangement structure as described in claim 1, it is characterised in that：Deoxygenation layer arrangement has
Externally arranged steam cooler, oxygen-eliminating device, closed type water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721417390.8U CN207485050U (en) | 2017-10-30 | 2017-10-30 | A kind of large-size thermal power plant main building arrangement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721417390.8U CN207485050U (en) | 2017-10-30 | 2017-10-30 | A kind of large-size thermal power plant main building arrangement structure |
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| Publication Number | Publication Date |
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| CN207485050U true CN207485050U (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721417390.8U Active CN207485050U (en) | 2017-10-30 | 2017-10-30 | A kind of large-size thermal power plant main building arrangement structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590255A (en) * | 2018-07-10 | 2018-09-28 | 中国华电科工集团有限公司 | A kind of integrated Power island of energy saving optimizing |
| CN109403672A (en) * | 2018-09-18 | 2019-03-01 | 东方电气集团东方汽轮机有限公司 | A kind of Gas-steam Combined Cycle power plant main power house arragement construction |
-
2017
- 2017-10-30 CN CN201721417390.8U patent/CN207485050U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590255A (en) * | 2018-07-10 | 2018-09-28 | 中国华电科工集团有限公司 | A kind of integrated Power island of energy saving optimizing |
| CN109403672A (en) * | 2018-09-18 | 2019-03-01 | 东方电气集团东方汽轮机有限公司 | A kind of Gas-steam Combined Cycle power plant main power house arragement construction |
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