CN107923263B - Steam turbine plant - Google Patents
Steam turbine plant Download PDFInfo
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- CN107923263B CN107923263B CN201680048463.2A CN201680048463A CN107923263B CN 107923263 B CN107923263 B CN 107923263B CN 201680048463 A CN201680048463 A CN 201680048463A CN 107923263 B CN107923263 B CN 107923263B
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- high pressure
- pressure turbine
- steam
- turbine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
- F01K7/22—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbines having inter-stage steam heating
- F01K7/223—Inter-stage moisture separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K3/00—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
- F01K3/18—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters
- F01K3/181—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters using nuclear heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/26—Steam-separating arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/26—Steam-separating arrangements
- F22B37/266—Separator reheaters
Abstract
Be equipped in steam turbine plant: high pressure turbine (21) is arranged high-pressure turbine portion (25) in the one end of axis direction (C) and middle pressure turbine portion (26) is arranged in other ends；Low-pressure turbine (22,23) configures on axis identical with high pressure turbine (21)；High pressure moisture separation and heating device (27), the side opposite with low-pressure turbine (22,23) on the axis direction (C) of high pressure turbine (21) is configured, hygroscopic water is removed from the steam from high-pressure turbine portion (25) and is transmitted to middle pressure turbine portion (26)；And low pressure moisture separation and heating device (28), hygroscopic water is removed from the steam from middle pressure turbine portion (26) and is transmitted to low-pressure turbine (22,23), hereby it is achieved that the simplification of construction and the reduction of equipment cost.
Description
Technical field
The present invention relates to the steam turbine plants used in atomic energy generating equipment or steam power plant etc..
Background technique
For example, atomic energy generating equipment will be transmitted from the steam that steam generator generates to steamturbine, to what is connected
Generator is driven and is generated electricity.In general, steamturbine is made of high-pressure turbine and low-pressure turbine, make in high-pressure turbine
Steam utilization moisture separation and heating device after removes hygroscopic water and heats, backward low-pressure turbine transmit.Also, in steamturbine
Steam utilization condenser after middle use is cooling and becomes condensed water, which is added by low pressure feed-water heater or high service
Steam generator is back to after the heating such as hot device.
In such atomic energy generating equipment, as the system for considering further performance raising, by steamturbine
(high-pressure turbine, middle pressure turbine, low-pressure turbine), generator, high pressure moisture separation and heating device, low pressure moisture separation and heating device etc. are matched
It sets in a turbine house.As such steam turbine plant, such as there are following technologies described in Patent Document 1.
Citation
Patent document
Patent document 1: Japanese Unexamined Patent Application 62-218606 bulletin
Summary of the invention
Subject to be solved by the invention
In previous steam turbine plant, if to realize the system structure of patent document 1, the separation of high pressure hygroscopic water adds
Hot device or low pressure moisture separation and heating device are in order to inhibit the flow velocity of the steam of processing to increase and equipment or piping enlargement.Therefore,
The high pressure moisture separation and heating device or low pressure moisture separation and heating device be typically configured in from steamturbine separate position or with steaming
The ground of steam turbine different layers.Then, equipment cost increase and each moisture separation and heating device there are the enlargement of turbine house
The undesirable project of maintainability.
The present invention solves above-mentioned project, and its purpose is to provide a kind of simplification for realizing construction and the reductions of equipment cost
Steam turbine plant.
Solution for solving the problem
It is characterized in that for realizing the steam turbine plant of the invention of above-mentioned purpose, comprising: high pressure turbine, In
The one end of axis direction is arranged high-pressure turbine portion and middle pressure turbine portion is arranged in other ends；Low-pressure turbine, configuration with institute
It states on the identical axis of high pressure turbine；High pressure hygroscopic water separator, configuration on the axis direction of the high pressure turbine with institute
The opposite side of low-pressure turbine is stated, hygroscopic water is removed from the steam from the high-pressure turbine portion and is passed to medium pressure turbine portion
It send；And low pressure hygroscopic water separator, hygroscopic water is removed from the steam from medium pressure turbine and is transmitted to the low-pressure turbine.
Therefore, the side configuration high pressure hygroscopic water opposite with low-pressure turbine on the axis direction of high pressure turbine separates
Device, thus, it is possible to by the configuration of high pressure hygroscopic water separator, near high pressure turbine or low-pressure turbine, piping length shortens and energy
It is enough to simplify construction, and can reduce equipment cost, turbine house can also minimize.
In steam turbine plant of the invention, which is characterized in that the high pressure hygroscopic water separator along with the axle center
The direction configuration that direction intersects.
Therefore, high pressure hygroscopic water separator is configured along the direction intersected with high pressure turbine or low-pressure turbine, thus, it is possible to
The effective use for enough realizing the space of axis direction, can be such that turbine house minimizes.
In steam turbine plant of the invention, which is characterized in that on the axis direction of the high pressure turbine with
The opposite side of the low-pressure turbine configures degasser, the high pressure hygroscopic water separator configuration the high pressure turbine with it is described
Between degasser.
Therefore, high pressure hygroscopic water separator is configured between high pressure turbine and degasser, not only high pressure hygroscopic water separator
And degasser also can be configured effectively.
In steam turbine plant of the invention, which is characterized in that the high pressure hygroscopic water separator is along the axle center side
To configuration.
Therefore, high pressure hygroscopic water separator and high pressure turbine or low-pressure turbine are configured in parallel, thus, it is possible to will be various
The length direction of equipment is aligned and realizes the effective use in space.
In steam turbine plant of the invention, which is characterized in that the high pressure hygroscopic water separator is configured at and the height
Middle pressure turbine and the low-pressure turbine and the identical ground of the low pressure hygroscopic water separator.
Therefore, high pressure hygroscopic water separator is configured at identical with high pressure turbine, low-pressure turbine, low pressure hygroscopic water separator
Ground reduces equipment cost thus, it is possible to shorten the piping length of connecting pipings.
In steam turbine plant of the invention, which is characterized in that the high pressure hygroscopic water separator is configured at and the height
Middle pressure turbine and the low-pressure turbine different ground in the up-down direction.
Therefore, high pressure hygroscopic water separator is configured at and high pressure turbine and low-pressure turbine different ground in the up-down direction
Face mitigates the baneful influence of thermal stress generation thus, it is possible to ensure the piping length of connecting pipings.
In steam turbine plant of the invention, which is characterized in that the high pressure hygroscopic water separator configures multiple side by side.
Therefore, multiple by configuring high pressure hygroscopic water separator side by side, processing well can be balanced from high-pressure turbine
The steam in portion.
In steam turbine plant of the invention, which is characterized in that the high pressure hygroscopic water separator is the separation of high pressure hygroscopic water
Heater.
Therefore, suitably steam can be heated.
Invention effect
Steam turbine plant according to the present invention, due to opposite with low-pressure turbine on the axis direction of high pressure turbine
Side configure high pressure hygroscopic water separator, therefore construction can be simplified, and can reduce equipment cost.
Detailed description of the invention
Fig. 1 is the schematic structural diagram for indicating the atomic energy generating equipment of first embodiment.
Fig. 2 is the skeleton diagram of the flowing of the condensed water and steam in the steam turbine plant for indicate first embodiment.
Fig. 3 is the top view for indicating the configuration of steam turbine plant of first embodiment.
Fig. 4 is the main view for indicating the configuration of steam turbine plant.
Fig. 5 is the main view for indicating another configuration of steam turbine plant.
Fig. 6 is the top view for indicating the configuration of steam turbine plant of second embodiment.
Fig. 7 is the top view for indicating the configuration of steam turbine plant of third embodiment.
Specific embodiment
Hereinafter, referring to attached drawing, the preferred embodiment for the steam turbine plant that the present invention will be described in detail.It needs to illustrate
Be limit the present invention not over the embodiment, moreover, embodiment there are it is multiple when, also include by each embodiment party
Formula combines and the mode of composition.
[first embodiment]
Fig. 1 is the schematic structural diagram for indicating the atomic energy generating equipment of first embodiment.
The atomic pile of first embodiment is to use light-water as atomic pile coolant and neutron degradation material
Material, the high-temperature high pressure water not boiled is integrally formed throughout reactor core, which is transmitted to steam generator and is passed through
Heat exchange generates steam, pressurization water type atomic reactor which is generated electricity to turbogenerator transmission (PWR:
PressurizedWater Reactor)。
In the atomic energy generating equipment of the pressurization water type atomic reactor with first embodiment, as shown in Figure 1, former
Sub- reactor accommodating container 11 is accommodated with pressurization water type atomic reactor 12 and steam generator 13 in inside, and the pressurization water type is former
Sub- reactor 12 links with steam generator 13 via piping 14,15, is equipped with pressurizer 16 in piping 14, is equipped in piping 15
Primary cooling water pump 17.In this case, use light-water as decelerating material and primary cooling water (coolant), in order to inhibit
The boiling of the primary cooling water of heap core, primary cooling system is to utilize the high pressure of 150~160 degree of air pressure of maintenance of pressurizer 16
The mode of state is controlled.Therefore, (former as fuel by low-enrichment uranium or MOX in pressurization water type atomic reactor 12
Sub- fuel) it is heated light-water as primary cooling water, the primary cooling water of high temperature is maintained using pressurizer 16 into regulation
High pressure in the state of by piping 14 to steam generator 13 transmit.In the steam generator 13, in high temperature and pressure
Heat exchange is carried out between primary cooling water and secondary cooling water, primary cooling water after cooling is back to pressure (hydraulic) water by piping 15
Type atomic pile 12.
Steam generator 13 links via piping 18 and with steamturbine 19, is equipped with main steam isolation valve in the piping 18
20.Steamturbine 19 has high pressure turbine 21 and 2 low-pressure turbine 22,23, and connects generator 24 on the same axis.Also,
High pressure turbine 21 has high-pressure turbine portion 25 and middle pressure turbine portion 26, sets between high-pressure turbine portion 25 and middle pressure turbine portion 26
There is high pressure moisture separation and heating device 27.Moreover, being set between high pressure turbine 21 (middle pressure turbine portion 26) and low-pressure turbine 22,23
There is low pressure moisture separation and heating device 28.That is, the inlet portion in high-pressure turbine portion 25 is connected to from the piping 18 of steam generator 13,
29 are piped from the inlet portion connection steam of outlet portion to the high pressure moisture separation and heating device 27 in high-pressure turbine portion 25, from high pressure hygroscopic water
The inlet portion connection steam in the outlet portion of separating heater 27 to middle pressure turbine portion 26 is piped 30.Moreover, therefrom pressing turbine portion 26
Outlet portion to low pressure moisture separation and heating device 28 inlet portion connection steam piping 31, from low pressure moisture separation and heating device 28
Each inlet portion connection steam of outlet portion to low-pressure turbine 22,23 is piped 32.
Condenser 33,34 is arranged in the lower section of low-pressure turbine 22,23 in steamturbine 19.The condenser 33,34 utilizes cooling
Water carries out cooling and makes its condensation for the steam after the use in low-pressure turbine 22,23, and condensed water is consequently formed.It is applicable in seawater
As the cooling water, condenser 33,34 links the intake pipe 35 of supply discharge cooling water and drainpipe 36.The intake pipe 35 tool
There is water circulating pump 37, other ends are configured together with drainpipe 36 marine.
Also, the condenser 33,34 is connected with piping 38, successively sets in the piping 38 along the flow direction of condensed water
Have condensing pump 39, ground capacitor 40, condensing desalter 41, condensing booster pump 42, low pressure feed-water heater 43,44,45,
46.Here, the first low pressure feed-water heater 43 and the second low pressure feed-water heater 44 are arranged in condenser 33,34, condensed water
It is heated by the steam used in low-pressure turbine 22,23.Moreover, third low pressure feed-water heater 45 and the 4th low pressure supply water and add
Hot device 46 is arranged outside condenser 33,34, and in third low pressure feed-water heater 45, condensed water from low-pressure turbine 22,23 by taking out
The steam taken heats, and in the 4th low pressure feed-water heater 46, condensed water is added by the steam for therefrom pressing turbine portion 26 to be discharged
Heat.
In addition, piping 38 at than 46 downstream of the 4th low pressure feed-water heater along the flow direction of condensed water successively
Equipped with degasser 47, main feed water pump 48, high service heater 49, main water supply control valve 50.
Therefore, passed through using the steam that the primary cooling water of steam generator 13 and high temperature and pressure carries out heat exchange and generates
It is piped 18 and is transmitted to steamturbine 19, rotary force is obtained by high pressure turbine 21 and the operating of each low-pressure turbine 22,23, benefit
It is generated electricity with the rotary force driven generator 24.At this point, the steam from steam generator 13 is driving high-pressure turbine portion
After 25, the hygroscopic water contained in steam is removed and heated using high pressure moisture separation and heating device 27, later, turbine portion is pressed in centering
26 are driven.Moreover, the steam after centering pressure turbine portion 26 is driven removes steaming by low pressure moisture separation and heating device 28
The hygroscopic water contained in vapour and heating later drive each low-pressure turbine 22,23.Also, low-pressure turbine 22,23 is carried out
Steam utilization condenser 33,34 after driving is cooled down using seawater and becomes condensed water, using condensing pump 39 in piping 38
Middle flowing passes through ground capacitor 40, condensing desalter 41, low pressure feed-water heater 43,44,45,46, degasser 47, height
Pressure feed-water heater 49 waits and is back to steam generator 13.
Here, illustrating high pressure turbine 21, low-pressure turbine 22,23, high pressure moisture separation and heating device 27, the separation of low pressure hygroscopic water
The flowing of heater 28, the condensed water in low pressure feed-water heater 43,44,45,46 and steam.Fig. 2 is to indicate the first embodiment party
The skeleton diagram of the flowing of condensed water and steam in the steam turbine plant of formula.
As shown in Fig. 2, therefrom pressing the outlet portion of turbine portion 26 to the steam of the inlet portion of low pressure moisture separation and heating device 28
The base end parts for the steam branch piping 51 that 31 connection of piping prop up from midway portion, the front end that steam branch is piped 51 is connected to the
Four low pressure feed-water heaters 46.Moreover, the front end of the pumping piping 52 from low-pressure turbine 22,23 is connected to the confession of third low pressure
Water heater 45.Therefore, third low pressure feed-water heater 45 carries out condensed water using the steam extracted from low-pressure turbine 22,23
Heating, the 4th low pressure feed-water heater 46 heat condensed water using the steam that therefrom pressure turbine portion 26 is discharged.
In addition, each low pressure feed-water heater 43,44,45,46 is condensed since steam heats condensed water, produce
It is raw to sluice (water).Therefore, tapping pipe 53 is connected from the 4th low pressure feed-water heater 46 to third low pressure feed-water heater 45, from the
Three low pressure feed-water heaters, 45 to the second low pressure feed-water heater 44 connect tapping pipe 54, from the second low pressure feed-water heater 44 to
First low pressure feed-water heater 43 connects tapping pipe 55.Also, from the first low pressure feed-water heater 43 to first be piped on 38
Tapping pipe 56 is connected between low pressure feed-water heater 43 and the second low pressure feed-water heater 44, is equipped with the pump that sluices in tapping pipe 56
57。
In the steam turbine plant of the first embodiment constituted in this way, high pressure is efficiently configured for steamturbine 19
Moisture separation and heating device 27, low pressure moisture separation and heating device 28 etc..
Fig. 3 is the top view for indicating the configuration of steam turbine plant of first embodiment, and Fig. 4 is to indicate that steamturbine is set
The main view of standby configuration.
As shown in Figures 3 and 4, the steam turbine plant of first embodiment have high pressure turbine 21, low-pressure turbine 22,
23, generator 24, high pressure moisture separation and heating device 27, low pressure moisture separation and heating device 28.
Turbine house (diagram is omitted) is made up of multiple layers, and the central portion on the ground of specified layer 61 is laid with ground 62, at this
21,2 low-pressure turbines of high pressure turbine 22,23, generator 24 are set on the same axis along axis direction C on ground 62.
Low pressure moisture separation and heating device 28 is made of 2 low pressure moisture separation and heating devices 28a, 28b, to be located at high pressure whirlpool
The mode of the two sides of the width direction (up and down direction of Fig. 3) of wheel 21 configures on ground 61.Each low pressure moisture separation and heating device
28a, 28b vacate specified interval from high pressure turbine 21 and each low-pressure turbine 22,23, configure in parallel with axis direction C.It is each low
Pressure moisture separation and heating device 28a, 28b remove hygroscopic water from the steam being discharged from high pressure turbine 21 and to low-pressure turbine 22,23
Transmission, 2 steam pipings 31a, 31b therefrom press the outlet portion of turbine portion 26 (referring to Fig. 2) to extend, and front end is connected to each low
Press each inlet portion of moisture separation and heating device 28a, 28b.Also, low pressure moisture separation and heating device 28a, 28b is from outlet portion to low
Each inlet portion connection steam of turbine 22,23 is pressed to be piped 32a, 32b.Moreover, each low pressure moisture separation and heating device 28a, 28b are equipped with
To the heat transfer tube group as heating source that steam is heated, the steam from steam generator 13 is recycled.
In addition, high pressure moisture separation and heating device 27 is constituted by 1, configure on the axis direction C of high pressure turbine 21
The side opposite with low-pressure turbine 22,23.High pressure moisture separation and heating device 27 it is adjacent with high pressure turbine 21 and along with axle center
The direction that direction C intersects configures on ground 61.High pressure moisture separation and heating device 27 is from the steam being discharged by high-pressure turbine portion 25
Middle removing hygroscopic water and transmitted to middle pressure turbine portion 26, steam piping 29 extends from the outlet portion of high-pressure turbine portion 25 (referring to Fig. 2)
Out, front end is connected to the inlet portion of high pressure moisture separation and heating device 27.Also, high pressure moisture separation and heating device 27 is from outlet portion
To the inlet portion connection steam piping 30 in middle pressure turbine portion 26.Steam is carried out moreover, high pressure moisture separation and heating device 27 is equipped with
The heat transfer tube group as heating source of heating, the steam from steam generator 13 are recycled.
Degasser 47 on the ground 61 of a side side of the axis direction C of high pressure turbine 21, along with high pressure turbine
The direction configuration that 21 axis direction C intersects.Degasser 47 is from the condensation from the 4th low pressure feed-water heater 46 (referring to Fig. 2)
The impurity such as dissolved oxygen or incondensable gas (ammonia) are removed in water (water supply).High pressure moisture separation and heating device 27 is in high pressure turbine
Between 21 and degasser 47, specified interval is vacated with the high pressure turbine 21 and degasser 47 and is configured.
In this case, high pressure turbine 21, low-pressure turbine 22,23, generator 24 and high pressure moisture separation and heating device 27,
Low pressure moisture separation and heating device 28 (28a, 28b), degasser 47 are configured at identical ground 61.
It should be noted that in the above-described embodiment, by high pressure moisture separation and heating device 27 in high pressure turbine 21
It is configured at the identical ground 61 with high pressure turbine 21 or low-pressure turbine 22,23 etc. between degasser 47, but does not limit
For the structure.Fig. 5 is the main view for indicating another configuration of steam turbine plant.
As shown in figure 5, ground 63 is arranged in the lower layer on ground 61.High pressure moisture separation and heating device 27 is configured at high with setting
The ground 63 of the different lower section in the ground 61 of middle pressure turbine 21 or low-pressure turbine 22,23.But with aforementioned same, high pressure hygroscopic water
With low-pressure turbine 22,23 opposite side of the separating heater 27 on the axis direction C of high pressure turbine 21 along with axle center
The direction configuration that direction C intersects.Also, degasser 47 is on the ground 61 of a side side of the axis direction C of high pressure turbine 21
The direction configuration intersected along the axis direction C with high pressure turbine 21.High pressure moisture separation and heating device 27 is in high pressure turbine
It is configured on the ground 63 of a side side of 21 axis direction C along the direction that the axis direction C with high pressure turbine 21 intersects.Cause
This, high pressure moisture separation and heating device 27 is located at the lower section of degasser 47.
Therefore, in the turbine device of present embodiment, 1 high pressure moisture separation and heating device 27 is in high pressure turbine 21
The side opposite with low-pressure turbine 22,23 on axis direction C, it is adjacent with high pressure turbine 21 and along with axis direction C hand over
The direction of fork configures on ground 63.Thus, it is possible to which high pressure moisture separation and heating device 27 is efficiently configured at high pressure turbine
Near 21, the piping length that steam is piped 29,30 shortens and constructs and simplify.Moreover, because high pressure moisture separation and heating device 27
It is set as 1, therefore maintainability improves, and equipment cost reduces.
Also, the steam as shown in Figure 1 to Figure 3, transmitted from steam generator 13 by piping 18 is to high pressure turbine
After 21 high-pressure turbine portion 25 is driven, transmitted using steam piping 29 to high pressure moisture separation and heating device 27, herein
It removes hygroscopic water and heats.The steam handled by high pressure moisture separation and heating device 27 is driven to middle pressure turbine portion 26
It after dynamic, is transmitted using steam piping 30 to low pressure moisture separation and heating device 28, removes hygroscopic water herein and heat.By low pressure hygroscopic water
The steam utilization steam piping 32 that separating heater 28 is handled is transmitted to low-pressure turbine 22,23 and is driven.
Add at this point, the steam utilization steam that therefrom pressure turbine portion 26 is discharged is piped 31 (31a, 31b) to the separation of low pressure hygroscopic water
Hot device 28 transmits, and is transmitted using steam branch piping 51 to the 4th low pressure feed-water heater 46.Moreover, from low-pressure turbine 22,
The 23 steam utilization pumping pipings 52 extracted are transmitted to third low pressure feed-water heater 45.Therefore, third low pressure feed-water heater
45 heat the condensed water (water supply) flowed in piping 38 using the steam from low-pressure turbine 22,23, and the 4th is low
Pressure feed-water heater 46 is being matched using the steam from middle pressure turbine portion 26 for being heated by third low pressure feed-water heater 45
The condensed water (water supply) flowed in pipe 38 is heated.
It is equipped in the steam turbine plant of first embodiment in this way: high pressure whirlpool is set in the one end of axis direction C
Wheel portion 25 and other ends setting middle pressure turbine portion 26 high pressure turbine 21；Configuration is in axis identical with high pressure turbine 21
On low-pressure turbine 22,23；The side opposite with low-pressure turbine 22,23 on the axis direction C of high pressure turbine 21 is configured,
The high pressure moisture separation and heating device 27 for removing hygroscopic water from the steam from high-pressure turbine portion 25 and being transmitted to middle pressure turbine portion 26；
And from the steam from middle pressure turbine portion 26 remove hygroscopic water and to low-pressure turbine 22,23 transmit low pressure moisture separation and heating device
28。
Therefore, high pressure moisture separation and heating device 27 can be configured in the attached of high pressure turbine 21 or low-pressure turbine 22,23
Closely, the piping length that steam high pressure moisture separation and heating device 27 being connect with high pressure turbine 21 is piped 29,30 shortens, can
Simplify construction, and can reduce equipment cost, turbine house can also minimize.
In the steam turbine plant of first embodiment, by high pressure moisture separation and heating device 27 along with axis direction C
The direction of intersection configures.Therefore, the length that can shorten the axis direction C of the high pressure turbine 21 of various equipment, passes through realization
The effective use in space and can make turbine house minimize.Moreover, in the length direction of high pressure moisture separation and heating device 27
End can ensure service clearance, can be improved the maintainability of high pressure moisture separation and heating device 27.
In the steam turbine plant of first embodiment, on the axis direction C of high pressure turbine 21 with low pressure whirlpool
The opposite side of wheel 22,23 configures degasser 47, by the configuration of high pressure moisture separation and heating device 27 in high pressure turbine 21 and degassing
Between device 47.Therefore, not only high pressure moisture separation and heating device 27 but also degasser 47 also can in a limited space in effectively
Configuration.
In the steam turbine plant of first embodiment, high pressure moisture separation and heating device 27 is configured at and high pressure whirlpool
Take turns 21, low-pressure turbine 22,23, the identical ground 61 of low pressure moisture separation and heating device 28.Therefore, can shorten steam piping 29,
30,31 piping length and reduce equipment cost.
In the steam turbine plant of first embodiment, high pressure moisture separation and heating device 27 is configured at and high pressure whirlpool
Wheel 21 or low-pressure turbine 22,23 different ground 63 in the up-down direction.Therefore, steam can be piped to 29,30,31 piping
Length ensures longer and mitigates baneful influence caused by thermal stress.
It should be noted that in the present embodiment, on the axis direction C of high pressure turbine 21 and low-pressure turbine
22,23 opposite sides are configured with high pressure moisture separation and heating device 27 along the direction intersected with axis direction C, but high pressure is wet
As long as the position of the length direction of separation and heating device 27 is suitably set according to the equipment of surrounding.For example, it is contemplated that height
Press turbine piping connection and by high pressure moisture separation and heating device 27 configuration high pressure turbine 21 width direction (with axle center side
The direction intersected to C) center the case where be reasonable, but can also be to the one of the width direction of high pressure turbine 21
Square side bias configuration.
[second embodiment]
Fig. 6 is the top view for indicating the configuration of steam turbine plant of second embodiment.It should be noted that for tool
There is the component of function same as above-mentioned embodiment, marks same label and omit detailed description.
As shown in fig. 6, the steam turbine plant of second embodiment has high pressure turbine 21, low-pressure turbine 22, steam
It is piped 31, high pressure moisture separation and heating device 27, low pressure moisture separation and heating device 28.
Low pressure moisture separation and heating device 28 is made of 2 low pressure moisture separation and heating devices 28a, 28b, to be located at high pressure whirlpool
The mode of the two sides of the width direction of wheel 21 configures on ground 61.Moreover, high pressure moisture separation and heating device 27 is wet by 2 high pressures
Separation and heating device 27a, 27b are constituted, and configure one opposite with low-pressure turbine 22 on the axis direction C of high pressure turbine 21
Side.High pressure moisture separation and heating device 27a, 27b is adjacent with high pressure turbine 21 and configures along the direction intersected with axis direction C
On ground 61.High pressure moisture separation and heating device 27a, 27b setting are multiple (in the present embodiment, being 2), vacate in parallel
Specified interval and configure side by side.
In this way in the steam turbine plant of second embodiment, it regard high pressure moisture separation and heating device 27 as 2 high pressures
Moisture separation and heating device 27a, 27b and configure side by side.Therefore, it can balance and handle the steaming from high-pressure turbine portion 25 well
Vapour.
[third embodiment]
Fig. 7 is the top view for indicating the configuration of steam turbine plant of third embodiment.It should be noted that for tool
There is the component of function same as above-mentioned embodiment, marks same label and omit detailed description.
As shown in fig. 7, the steam turbine plant of third embodiment has high pressure turbine 21, low-pressure turbine 22, steam
It is piped 31, high pressure moisture separation and heating device 27, low pressure moisture separation and heating device 28.
Low pressure moisture separation and heating device 28 is made of 2 low pressure moisture separation and heating devices 28a, 28b, to be located at high pressure whirlpool
The mode of the two sides of the width direction of wheel 21 configures on ground 61.Moreover, high pressure moisture separation and heating device 27 is constituted by 1,
Configure the side opposite with low-pressure turbine 22 on the axis direction C of high pressure turbine 21.High pressure moisture separation and heating device 27
It is adjacent with high pressure turbine 21 and along axis direction C configuration on ground 61.In this case, high pressure moisture separation and heating device
27, high pressure turbine 21, low-pressure turbine 22 configure in line along axis direction C.
In this way in the steam turbine plant of third embodiment, by high pressure moisture separation and heating device 27 along high pressure whirlpool
The axis direction C configuration of wheel 21.Therefore, it can be realized the space of the length direction of each high pressure moisture separation and heating device 27,28
Effective use.
It should be noted that 4 low pressure feed-water heaters 43,44,45,46 are set in above-mentioned each embodiment, it will
2 configurations of low pressure feed-water heater 43,44 are in condenser 33,34, by 2 configurations of low pressure feed-water heater 45,46 in condensing
Outside device 33,34, but its configuration or number are not limited to embodiment, as long as being carried out according to scale of steam turbine plant etc.
It suitably sets.
In addition, in the above-described embodiment, will therefrom press the steam of the final level discharge of turbine portion 26 to low pressure hygroscopic water
Separating heater 28 (28a, 28b) supply, but the steam that the midway grade for therefrom pressing turbine portion 26 can also be extracted is wet to low pressure
Separation and heating device 28 (28a, 28b) supply.
In addition, in the above-described embodiment, hygroscopic water separator of the invention is carried out as moisture separation and heating device
Illustrate, but can also be used as hygroscopic water separator.
In addition, in the above-described embodiment, steam turbine plant of the invention is suitable for atomic energy generating equipment and
It is illustrated, but is not limited to this, for example, it is also possible to be suitable for steam power plant etc..
Label declaration
12 pressurization water type atomic reactors
13 steam generators
18,38 piping
19 steamturbines
21 high pressure turbines
22,23 low-pressure turbine
24 generators
25 high-pressure turbine portions
26 middle pressure turbine portions
27 high pressure moisture separation and heating devices (high pressure hygroscopic water separator)
28,28a, 28b low pressure moisture separation and heating device (low pressure hygroscopic water separator)
29,30,31,31a, 31b, 32, the piping of 32a, 32b steam
33,34 condenser
43 first low pressure feed-water heaters
44 second low pressure feed-water heaters
45 third low pressure feed-water heaters
46 the 4th low pressure feed-water heaters
The piping of 51 steam branches
52 pumping pipings
61,63 ground
62 grounds
C axis direction.
Claims (8)
1. a kind of steam turbine plant comprising:
High pressure turbine is arranged high-pressure turbine portion in the one end of axis direction and middle pressure turbine portion is arranged in other ends；
Low-pressure turbine configures on axis identical with the high pressure turbine；
High pressure hygroscopic water separator configures one opposite with the low-pressure turbine on the axis direction of the high pressure turbine
Side removes hygroscopic water from the steam from the high-pressure turbine portion and transmits to medium pressure turbine portion；And
Low pressure hygroscopic water separator removes hygroscopic water from the steam from medium pressure turbine portion and transmits to the low-pressure turbine.
2. steam turbine plant according to claim 1, which is characterized in that
The high pressure hygroscopic water separator is configured along the direction intersected with the axis direction.
3. steam turbine plant according to claim 2, which is characterized in that
The side opposite with the low-pressure turbine on the axis direction of the high pressure turbine configures degasser, the high pressure
Hygroscopic water separator configures between the high pressure turbine and the degasser.
4. steam turbine plant according to claim 1, which is characterized in that
The high pressure hygroscopic water separator is configured along the axis direction.
5. steam turbine plant according to any one of claims 1 to 4, which is characterized in that
The high pressure hygroscopic water separator is configured to be separated with the high pressure turbine and the low-pressure turbine and the low pressure hygroscopic water
The identical ground of device.
6. steam turbine plant according to any one of claims 1 to 4, which is characterized in that
The high pressure hygroscopic water separator is configured at different in the up-down direction from the high pressure turbine and the low-pressure turbine
Ground.
7. steam turbine plant according to any one of claims 1 to 4, which is characterized in that
The high pressure hygroscopic water separator configures multiple side by side.
8. steam turbine plant according to any one of claims 1 to 4, which is characterized in that
The high pressure hygroscopic water separator is high pressure moisture separation and heating device.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-162041 | 2015-08-19 | ||
| JP2015162041A JP6081543B1 (en) | 2015-08-19 | 2015-08-19 | Steam turbine plant |
| PCT/JP2016/072029 WO2017029955A1 (en) | 2015-08-19 | 2016-07-27 | Steam turbine plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107923263A CN107923263A (en) | 2018-04-17 |
| CN107923263B true CN107923263B (en) | 2019-11-08 |
Family
ID=58043289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680048463.2A Active CN107923263B (en) | 2015-08-19 | 2016-07-27 | Steam turbine plant |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3324008A4 (en) |
| JP (1) | JP6081543B1 (en) |
| CN (1) | CN107923263B (en) |
| WO (1) | WO2017029955A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7144265B2 (en) | 2018-10-02 | 2022-09-29 | 三菱重工業株式会社 | moisture separators and steam turbine plants |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63140804A (en) * | 1986-12-02 | 1988-06-13 | Hitachi Ltd | Turbine generating installation of evaporated water type atomic power plant |
| JPH04318206A (en) * | 1991-02-11 | 1992-11-09 | Westinghouse Electric Corp <We> | Steam turbine power generator |
| JPH05187205A (en) * | 1991-06-24 | 1993-07-27 | General Electric Co <Ge> | Moisture separation system of steam turbine device |
| JPH1123771A (en) * | 1997-07-04 | 1999-01-29 | Hitachi Ltd | Turbine building |
| JP2003014885A (en) * | 2001-06-29 | 2003-01-15 | Toshiba Corp | Turbine building |
| JP2010043562A (en) * | 2008-08-11 | 2010-02-25 | Hitachi Ltd | Thermal power generation plant |
| WO2012077371A1 (en) * | 2010-12-06 | 2012-06-14 | 三菱重工業株式会社 | Steam turbine, power plant, and operation method for steam turbine |
| JP2014025801A (en) * | 2012-07-26 | 2014-02-06 | Toshiba Corp | Pressurized water nuclear power plant and steam supply method for the same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3780884B2 (en) * | 2001-08-31 | 2006-05-31 | 株式会社日立製作所 | Steam turbine power plant |
| JP2006002729A (en) * | 2004-06-21 | 2006-01-05 | Hitachi Ltd | Steam turbine plant and moisture separation heater |
| WO2010086898A1 (en) * | 2009-01-30 | 2010-08-05 | 日立Ｇｅニュークリア・エナジー株式会社 | Electric power plant, and method for running the electric power plant |
| US8499561B2 (en) * | 2009-09-08 | 2013-08-06 | General Electric Company | Method and apparatus for controlling moisture separator reheaters |
-
2015
- 2015-08-19 JP JP2015162041A patent/JP6081543B1/en active Active
-
2016
- 2016-07-27 EP EP16836946.0A patent/EP3324008A4/en not_active Withdrawn
- 2016-07-27 WO PCT/JP2016/072029 patent/WO2017029955A1/en active Application Filing
- 2016-07-27 CN CN201680048463.2A patent/CN107923263B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63140804A (en) * | 1986-12-02 | 1988-06-13 | Hitachi Ltd | Turbine generating installation of evaporated water type atomic power plant |
| JPH04318206A (en) * | 1991-02-11 | 1992-11-09 | Westinghouse Electric Corp <We> | Steam turbine power generator |
| JPH05187205A (en) * | 1991-06-24 | 1993-07-27 | General Electric Co <Ge> | Moisture separation system of steam turbine device |
| JPH1123771A (en) * | 1997-07-04 | 1999-01-29 | Hitachi Ltd | Turbine building |
| JP2003014885A (en) * | 2001-06-29 | 2003-01-15 | Toshiba Corp | Turbine building |
| JP2010043562A (en) * | 2008-08-11 | 2010-02-25 | Hitachi Ltd | Thermal power generation plant |
| WO2012077371A1 (en) * | 2010-12-06 | 2012-06-14 | 三菱重工業株式会社 | Steam turbine, power plant, and operation method for steam turbine |
| JP2014025801A (en) * | 2012-07-26 | 2014-02-06 | Toshiba Corp | Pressurized water nuclear power plant and steam supply method for the same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017029955A1 (en) | 2017-02-23 |
| EP3324008A1 (en) | 2018-05-23 |
| CN107923263A (en) | 2018-04-17 |
| JP6081543B1 (en) | 2017-02-15 |
| JP2017040198A (en) | 2017-02-23 |
| EP3324008A4 (en) | 2018-08-01 |
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Address after: Kanagawa Prefecture, Japan Patentee after: Mitsubishi Power Co., Ltd Address before: Kanagawa Prefecture, Japan Patentee before: MITSUBISHI HITACHI POWER SYSTEMS, Ltd. |