CN208982129U - The efficient Turbo-generator Set of the resectable wide load of partial-cylinder - Google Patents
The efficient Turbo-generator Set of the resectable wide load of partial-cylinder Download PDFInfo
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- CN208982129U CN208982129U CN201821662488.4U CN201821662488U CN208982129U CN 208982129 U CN208982129 U CN 208982129U CN 201821662488 U CN201821662488 U CN 201821662488U CN 208982129 U CN208982129 U CN 208982129U
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Abstract
The utility model relates to a kind of efficient Turbo-generator Sets of the resectable wide load of partial-cylinder, the Steam Turbine respectively with boiler, heater is connected with condenser, the Steam Turbine includes sequentially connected high pressure cylinder, intermediate pressure cylinder and low pressure (LP) cylinder, the high pressure cylinder respectively with the main steam line of boiler, the cold reheaing steam pipe of boiler is connected with heater, the high pressure cylinder includes excision high pressure cylinder and reservation high pressure cylinder, the intermediate pressure cylinder includes excision intermediate pressure cylinder and reservation intermediate pressure cylinder, the low pressure (LP) cylinder includes excision low pressure (LP) cylinder and reservation low pressure (LP) cylinder, when load is higher than given threshold, whole cylinders work into vapour simultaneously, excision high pressure cylinder therein is cut off when load is lower than given threshold；Excision intermediate pressure cylinder therein and excision low pressure (LP) cylinder are also cut off simultaneously.Compared with prior art, the utility model has many advantages, such as to improve the cycle efficieny under sub-load, realizes the wide load high-efficiency and economic operation of Steam Turbine.
Description
Technical field
The utility model relates to field of thermal power, more particularly, to a kind of resectable wide load efficient gas of partial-cylinder
Turbine generator group.
Background technique
The distribution way of steam of steam turbine of thermal power plant group mainly divides two major classes: i.e. full admission flow restriction control and partial admission nozzle
It adjusts, since full admission unit does not have governing stage, high pressure cylinder efficiency is relatively high, all opens in newly-built super (super-) critical unit
Begin in this way.It is most economical using high-pressure governing valve standard-sized sheet sliding pressure operation, but in middle-low load for this kind of unit
Place makes main steam pressure decline more, often operates in subcritical region, do not give full play to super (super) face after sliding pressure operation
The due clean and effective feature of boundary's unit.High-pressure governing valve is turned down, although main steam pressure can be improved, due to pitch restriction loss
The reasons such as increasing lose more than gain instead.The reduction of this initial conditions of main steam pressure under middle-low load causes cycle efficieny aobvious
Decline is write, net coal consumption rate rises more.
But then, due to China's energy resource structure feature, fired power generating unit as a kind of basic generation mode long-term existence,
And peak load regulation network or depth peak regulation are participated in, often operate at middle-low load.It is especially a large amount of in new energy such as current wind-powered electricity generation, photovoltaics
Under the background that access and extra-high voltage grid are transferred electricity from the west to the east on a large scale, thermoelectricity flexibility control and peaking operation are proposed more
High request.
Utility model content
The purpose of this utility model is exactly to provide a kind of partial-cylinder to overcome the problems of the above-mentioned prior art
The efficient Turbo-generator Set of resectable width load realizes the wide load of Steam Turbine to improve the cycle efficieny under sub-load
High-efficiency and economic operation.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of efficient Turbo-generator Set of the resectable wide load of partial-cylinder, the Steam Turbine respectively with boiler, heating
Device is connected with condenser, and the Steam Turbine includes sequentially connected high pressure cylinder, intermediate pressure cylinder and low pressure (LP) cylinder, the high pressure cylinder
It is connect respectively with the main steam line of boiler, the cold reheaing steam pipe of boiler and heater, the high pressure cylinder includes excision
High pressure cylinder and reservation high pressure cylinder, the intermediate pressure cylinder include excision intermediate pressure cylinder and retain intermediate pressure cylinder, and the low pressure (LP) cylinder is including cutting
Except low pressure (LP) cylinder and retain low pressure (LP) cylinder.
Preferably, the main steam line of the boiler by respective valve and excision high pressure cylinder and retains high pressure respectively
Cylinder connection.
Preferably, the excision high pressure cylinder and reservation high pressure cylinder are coaxially arranged in opposite directions, the excision intermediate pressure cylinder and guarantor
Intermediate pressure cylinder is stayed coaxially to arrange in opposite directions.
Preferably, there are four the low pressure (LP) cylinder is set, wherein three are reservation low pressure (LP) cylinder, one is excision low pressure (LP) cylinder, institute
The excision low pressure (LP) cylinder stated coaxially arranges that other two retains low pressure (LP) cylinder coaxially opposite cloth with one of low pressure (LP) cylinder that retains in opposite directions
It sets.
Preferably, the excision high pressure cylinder and reservation high pressure cylinder have steam extraction all the way, and heater is entered after summarizing.
Preferably, boiler increase hot reheat steam line all the way, the hot reheat steam line and excision high pressure cylinder
Connection.
Preferably, the excision high pressure cylinder is connect by high ventilation valve of arranging with condenser, and the excision intermediate pressure cylinder is logical
Row's ventilation valve is connect with condenser in crossing.
Preferably, removed excision high pressure cylinder is the high pressure cylinder for maintaining 3000rpm rated speed, in removed excision
Cylinder pressure is the intermediate pressure cylinder for maintaining 3000rpm rated speed, and removed excision low pressure (LP) cylinder is the low of maintenance 3000rpm rated speed
Cylinder pressure.
Preferably, the intermediate pressure cylinder is connected with excision low pressure (LP) cylinder and reservation low pressure (LP) cylinder respectively by intermediate pressure cylinder blow-off line
It connects, is wherein equipped with low pressure (LP) cylinder between intermediate pressure cylinder blow-off line and excision low pressure (LP) cylinder and cuts off pitch.
Preferably, the excision high pressure cylinder and reservation high pressure cylinder split axle are arranged, in the excision intermediate pressure cylinder and reservation
The setting of cylinder pressure split axle, the excision low pressure (LP) cylinder and reservation low pressure (LP) cylinder split axle setting, the excision high pressure cylinder, excision intermediate pressure cylinder
Sequentially coaxially it is arranged with excision low pressure (LP) cylinder, the reservation high pressure cylinder, reservation intermediate pressure cylinder and reservation low pressure (LP) cylinder are sequentially coaxially arranged.
Compared with prior art, the utility model has the advantage that
1, using the resectable arrangement of partial-cylinder, and by cut-out high pressure cylinder synchronous under middle-low load, in
Cylinder pressure and low pressure (LP) cylinder improve main steam pressure, to greatly improve generating set under the premise of not sacrificing operation cylinder efficiency
Performance driving economy is pushed further into energy-saving and emission-reduction；
2, coaxially arranged and split axle can choose for part excision cylinder and arranges two ways, vapour is cut off when coaxially arranged
Cylinder maintains very hot state, and keeps 3000rpm rated speed, convenient for quickly restoring loaded-up into vapour；Split axle is cut off when arranging
Cylinder is in jiggering state, when recovery need first to carry out red switch and and net operation, but shafting length shortens, and enhancing shafting is stablized
Property.
Detailed description of the invention
Fig. 1 is the efficient steam turbine principle heating power system of wide load that the utility model partial-cylinder can cut off (coaxially arranged)
System figure；
Fig. 2 is the efficient steam turbine principle heating power system of wide load that the utility model partial-cylinder can cut off (split axle arrangement)
System figure；
Fig. 3 is the imaginary heat consumption rate and load relational graph that the utility model specific embodiment high pressure divides cylinder to cut off.
Wherein 1 is excision high pressure cylinder, and 2 is retain high pressure cylinder, and 3 be excision intermediate pressure cylinder, and 4 is retain intermediate pressure cylinder, and 41 be middle pressure
Cylinder blow-off line, 5 is retain low pressure (LP) cylinder, and 6 be excision low pressure (LP) cylinder, and 7 be boiler, and 71 be main steam line, and 72 be reheat heat steam
Pipeline, 73 be cold reheaing steam pipe, and 8 be high-pressure heater, and 9 be condenser, and 10 be feed pump, and 11 be high row's ventilation valve, 12
Pitch is cut off for middle row's ventilation valve, 13 for low pressure (LP) cylinder.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is a part of the embodiment of the utility model, rather than is all implemented
Example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained all should belong to the range of the utility model protection.
For full admission throttle-governed turbine group, high-pressure governing valve standard-sized sheet sliding pressure operation is most economical, but in
Since main steam pressure declines to a great extent under underload, so that cycle efficieny declines, this factor is fired power generating unit under middle-low load
The main reason for less economical.If only simply turning down high-pressure governing valve, although main steam pressure can be improved, increase
Pitch restriction loss, high pressure cylinder efficiency decline, runs counter to desire instead.If a method can be found, high pressure cylinder is not being reduced
Under the premise of efficiency, main steam pressure is improved, it will greatly promote the performance driving economy under middle-low load.
The unit of super (super-) critical single reheat at present has high pressure cylinder, intermediate pressure cylinder, low pressure (LP) cylinder respectively, wherein intermediate pressure cylinder, low pressure
The quantity of cylinder may be 2 or multiple, but high pressure cylinder is all 1.If 2 can be split up into 1 high pressure cylinder, in high load capacity
2, region high pressure cylinder works into vapour simultaneously, and wherein 1 is cut off under middle-low load, to reduce the overall through-current capability of high pressure cylinder,
Main steam pressure can thus be increased substantially.And the high pressure cylinder for continuing to run, initial steam pressure improves but exhaust steam pressure
Constant, pressure ratio increasing in front and back may be decreased flow efficiency, therefore also cut off 1 intermediate pressure cylinder simultaneously, so that high row pressure power also accordingly increases
Add, the pressure ratio of such high pressure cylinder can be basically unchanged.Same reason, in order to enable the intermediate pressure cylinder pressure ratio continued to run is substantially not
Become, also 1 low pressure (LP) cylinder of Synchronous resection.In this way, the high pressure cylinder continued to run, intermediate pressure cylinder, low pressure (LP) cylinder can keep higher cylinder to imitate
Rate, to become a kind of Steam Turbine of novel wide load efficiency power generation.
Its principled thermal system arrangement is as shown in Figure 1, the efficient Turbo-generator Set of the resectable wide load of partial-cylinder
It is connect respectively with boiler 7, high-pressure heater 8 and condenser 9, the Steam Turbine includes sequentially connected high pressure cylinder, middle pressure
Cylinder and low pressure (LP) cylinder, the high pressure cylinder respectively with the main steam line 71 of boiler 7, the cold reheaing steam pipe 73 of boiler 7, high pressure
Heater 8 connects, and the high pressure cylinder includes excision high pressure cylinder 1 and retains high pressure cylinder 2, and the intermediate pressure cylinder includes pressing in excision
Cylinder 3 and reservation intermediate pressure cylinder 4, the low pressure (LP) cylinder include cutting off low pressure (LP) cylinder 6 and retaining low pressure (LP) cylinder 5.
Hot reheat steam line 72 increases to be connect with excision high pressure cylinder 1 all the way, high pressure cylinder after cutting off for heating, in order to
Fast quick-recovery uses.In addition, using original hot reheat steam line and middle pressure pitch, or the small bypass of pitch is pressed in increase,
Excision intermediate pressure cylinder 3 is heated, in order to the use of fast quick-recovery.
The excision high pressure cylinder 1 is connect by high ventilation valve 11 of arranging with condenser 9, and the excision intermediate pressure cylinder 3 passes through
Middle row's ventilation valve 12 is connect with condenser 9, will be cut off high pressure cylinder respectively and is cut off the steam and air blast frictional heat in intermediate pressure cylinder
Condenser is drained by vacuum suction.
The excision intermediate pressure cylinder 3 and retain intermediate pressure cylinder 4 by intermediate pressure cylinder blow-off line 41 respectively with excision low pressure (LP) cylinder 6 and
Retain low pressure (LP) cylinder 5 to connect, is wherein equipped with low pressure (LP) cylinder between intermediate pressure cylinder blow-off line 41 and excision low pressure (LP) cylinder 6 and cuts off pitch 13.
Fig. 1 high pressure cylinder is divided into 2, and coaxial opposite arrangement, with balancing axial thrust, resectable high pressure cylinder is with shade table
Show.The quantity of intermediate pressure cylinder remains unchanged, and original 2 intermediate pressure cylinder capacity are the same, is now fitted according to the capacity ratio of 2 high pressure cylinders
Work as adjustment, resectable intermediate pressure cylinder is with shadow representation.Again 1 in original 4 low pressure (LP) cylinders is designed to cut off, referring to figure
Band shade low pressure (LP) cylinder in 1.Main steam respectively enters 2 high pressure cylinder actings when high load capacity, and steam discharge enters boiler reheating after summarizing.Heat
Reheated steam respectively enters 2 intermediate pressure cylinder actings, and steam discharge, which enters low pressure (LP) cylinder after summarizing, to be continued to do work.2 high pressure cylinders have all the way
Steam extraction enters #1 high and adds after summarizing.Increase reheat heat steam all the way and enter removed high pressure cylinder from high-pressure governing valve, is used to add
High pressure cylinder after thermally resecting, in order to the use of fast quick-recovery.The high row's ventilation valve of setting and middle row's ventilation valve, will cut off high pressure respectively
Steam and air blast frictional heat in cylinder and intermediate pressure cylinder drain into condenser by vacuum suction.Original intermediate pressure cylinder steam discharge is to low pressure (LP) cylinder
There is no pitch on into the mesolow cross over pipe of vapour, now increases by 1 pitch and be used to cut off low pressure (LP) cylinder.
After such arrangement, high pressure cylinder steam admission mode is changed, so that high pressure cylinder efficiency and main steam pressure
It changes, cycle efficieny can be improved in terms of high pressure cylinder efficiency and initial conditions two.Intermediate pressure cylinder and low is also changed simultaneously
Cylinder pressure steam admission mode, so that reheated steam pressure changes, but reheat pressure variation has substantially no effect on cycle efficieny.In addition,
This scheme influences very little to boiler efficiency.Certainly under middle-low load, since the rising meeting of main steam pressure is so that feed pump
Wasted work rises, and increases small machine steam consumption, but initial conditions raising substantially improves cycle efficieny, in addition feed temperature meeting under middle-low load
It increases, so that backheat effect is improved, therefore generally heat consumption rate can decreased significantly.
In view of the demand of peak load regulation, it might have in one day and come into operation and cut off for several times cylinder, to avoid frequent red switch
And use is coaxially arranged, removed high, medium and low cylinder pressure still maintains 3000rpm rated speed, and it is logical to need to open high row at this time
Air-valve and middle row's ventilation valve are to take away air blast frictional heating.High intermediate pressure cylinder is also needed to be passed through steaming in right amount according to cylinder temperature situation of change
Vapour heating, to maintain certain cylinder temperature, convenient for quickly into vapour and on-load, heating vapour source and being all made of heat steam again, wherein for
Intermediate pressure cylinder can be passed through steam heating by original middle pressure pitch, can also increase and bypass pitch all the way, and for high pressure cylinder
It then needs to increase pipeline all the way to be heated to introduce reheat heat steam, is detailed in Fig. 1.In addition, for low pressure (LP) cylinder, it is also necessary to be passed through
A certain amount of steam, to take away air blast frictional heating.
For those using the unit of " two-shift " peak regulation method, it is also contemplated that senior middle school's low pressure (LP) cylinder of part excision will be needed
Split axle arrangement, can also shorten shafting length in this way, increase shafting job stability.Its principled thermal system arrangement such as Fig. 2
Shown, the lower left Fig. 2 is resectable senior middle school's low pressure (LP) cylinder with dash area.According to this arrangement, in middle-low load
A lower axis of directly stopping transport promotes main steam pressure to realize Synchronous resection to reach under middle-low load, improve cycle efficieny
Purpose.Removed senior middle school's low pressure (LP) cylinder puts into jiggering stand-by heat at this time, needs first red switch to rated speed when working again
3000rpm, then grid-connected loaded-up again.
After dividing cylinder to design, so that the blade of 2 high pressure cylinders shortens, increases blade-end loss, high pressure cylinder may be will affect
Efficiency, can by optimization design as close possible to using independent high pressure cylinder when efficiency value.In addition, to the appearance of original intermediate pressure cylinder
Amount distribution is adjusted, and may also will affect IP efficiency, but this influence can also be reduced by optimization design, is tieed up
Hold the higher operational efficiency of intermediate pressure cylinder.
This resectable scheme of partial-cylinder is also fully applicable for super (super-) critical double reheat power generation sets, need at this time by
Ultra-high pressure cylinder and high pressure cylinder are divided into two, one of them can cut off, other variations are similar.
Specific embodiment
By taking a super (super-) critical 1000MW single reheat unit as an example, steam turbine is using throttling distribution way of steam, high pressure tune
Door standard-sized sheet sliding pressure operation, main steam pressure is lower under middle-low load, influences unit economy.High, medium and low cylinder pressure is used thus
The arrangement of part excision, it is contemplated that high pressure cylinder building block setting series and peak load regulation burden requirement, by original 1000MW
The high pressure cylinder of unit is divided into 2 high pressure cylinders, respectively original 660MW unit and the corresponding high pressure cylinder of 350MW unit, 2 height
The acting of cylinder pressure and through-current capability are arranged substantially according to the relationship of 2:1.In addition, original 2 intermediate pressure cylinder capacity are identical, now according to
1 in original 4 low pressure (LP) cylinders is designed to cut off by the relationship of 2:1 to adjust amount of capacity, is cut so that cylinder synchronizes
Except when high pressure cylinder and the pressure ratio of intermediate pressure cylinder be basically unchanged.In this way more than 660MW load using 2 high pressure cylinders, 2 intermediate pressure cylinders and
The mode that 4 low pressure (LP) cylinders work into vapour simultaneously, 1 small high pressure cylinder of the following Synchronous resection of 660MW load, 1 small intermediate pressure cylinder and
One low pressure (LP) cylinder improves main steam pressure under the premise of not reducing operation cylinder efficiency, to improve cycle efficieny.Using this
After mode, in the typical change curve such as Fig. 3 of thermal loss of steam turbine rate shown in " imaginary heat consumption rate ".Preliminary analysis, it is negative 50%
There are about the declines of 3.8% heat consumption rate by He Chu, and unit net coal consumption rate is about made to decline 10g/kW.h, energy-saving effect highly significant.
After the resectable coaxially arranged mode of partial-cylinder, on-load and peaking operation process are as follows:
1. unit realizes red switch and load carrying using senior school biology mode, until rated load；
2. after unit has peak modulation capacity, keeping whole cylinders to run simultaneously in 660MW load area above；
3. when load is lower than 660MW and the long period of having operates in intermediate/low load region, then start to carry out excision operation,
Slowly turn down corresponding high pressure cylinder, intermediate pressure cylinder and low pressure (LP) cylinder into vapour pitch, the transfer of throttle flow is done step-by-step, until the part vapour
Cylinder complete resection；
4. removed high pressure cylinder, intermediate pressure cylinder and low pressure (LP) cylinder maintain rated speed, corresponding high row's ventilation valve and middle row are opened
Ventilation valve, to take away air blast frictional heat；For removed low pressure (LP) cylinder, to be then passed through a small amount of steam and be used to cool down, to take away
The air blast frictional heat of low-pressure rotor blade.
5. in the operation of 660MW load following region, small high pressure cylinder and small intermediate pressure cylinder are always in excision state, and according to cylinder
Warm situation of change is passed through appropriate reheated steam and carries out warm cylinder heating, to maintain excision height, the suitable temperature of intermediate pressure cylinder, convenient for fast
Speed is into vapour on-load；
6. when load prepare increase more than 660MW when, gradually open accordingly cut off cylinder into vapour pitch so that these vapour
Cylinder is again introduced into working condition；
After the resectable split axle arrangement of partial-cylinder, on-load and peaking operation process are as follows:
1. unit realizes red switch and load carrying using senior school biology mode, until rated load；
2. after unit has peak modulation capacity, keeping whole cylinders to run simultaneously in 660MW load area above；
3. when load is lower than 660MW and the long period of having operates in intermediate/low load region, then start to carry out excision operation,
Slowly turn down corresponding high pressure cylinder, intermediate pressure cylinder and low pressure (LP) cylinder into vapour pitch, the transfer of throttle flow is done step-by-step, until the part vapour
Cylinder complete resection, the shaft generator off-the-line；
4. removed high pressure cylinder, intermediate pressure cylinder and low pressure (LP) cylinder waits for maintaining jiggering revolving speed after coasting operation, it is in stand-by heat shape
State.
5. when load prepares to increase more than 660MW, first by axis rotor progress red switch to rated speed 3000rpm,
Carry out later it is grid-connected, gradually opened again after grid-connected it is big accordingly into vapour pitch so that these cylinders are again introduced into working condition；
Dividing cylinder design and running in this way controls, and Steam Turbine economical operation can be realized in wide load area.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can be readily occurred in various
Equivalent modifications or substitutions, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this is practical
Novel protection scope should be subject to the protection scope in claims.
Claims (10)
1. a kind of efficient Turbo-generator Set of the resectable wide load of partial-cylinder, the Steam Turbine respectively with boiler, heater
It is connected with condenser, the Steam Turbine includes sequentially connected high pressure cylinder, intermediate pressure cylinder and low pressure (LP) cylinder, the high pressure cylinder point
It is not connect with the main steam line of boiler, the cold reheaing steam pipe of boiler and heater, which is characterized in that the high pressure cylinder
Including excision high pressure cylinder and retain high pressure cylinder, the intermediate pressure cylinder is including excision intermediate pressure cylinder and retains intermediate pressure cylinder, the low pressure
Cylinder includes excision low pressure (LP) cylinder and reservation low pressure (LP) cylinder.
2. a kind of efficient Turbo-generator Set of the resectable wide load of partial-cylinder according to claim 1, feature exist
In the main steam line of the boiler passes through respective valve respectively and connect with excision high pressure cylinder and reservation high pressure cylinder.
3. a kind of efficient Turbo-generator Set of the resectable wide load of partial-cylinder according to claim 1, feature exist
In the excision high pressure cylinder and reservation high pressure cylinder coaxially arrange that the excision intermediate pressure cylinder and reservation intermediate pressure cylinder are coaxial in opposite directions
Opposite arrangement.
4. a kind of efficient Turbo-generator Set of the resectable wide load of partial-cylinder according to claim 1, feature exist
In there are four the low pressure (LP) cylinder is set, wherein three is retain low pressure (LP) cylinder, one is excision low pressure (LP) cylinder, the excision low pressure
Cylinder coaxially arranges that other two retains low pressure (LP) cylinder and coaxially arranges in opposite directions with one of low pressure (LP) cylinder that retains in opposite directions.
5. a kind of efficient Turbo-generator Set of the resectable wide load of partial-cylinder according to claim 1, feature exist
In the excision high pressure cylinder and reservation high pressure cylinder have steam extraction all the way, and heater is entered after summarizing.
6. a kind of efficient Turbo-generator Set of the resectable wide load of partial-cylinder according to claim 1, feature exist
In hot reheat steam line, the hot reheat steam line are connect with excision high pressure cylinder all the way for the boiler increase.
7. a kind of efficient Turbo-generator Set of the resectable wide load of partial-cylinder according to claim 1, feature exist
In the excision high pressure cylinder is connect by high ventilation valve of arranging with condenser, and the excision intermediate pressure cylinder passes through middle row's ventilation valve
It is connect with condenser.
8. a kind of efficient Turbo-generator Set of the resectable wide load of partial-cylinder according to claim 7, feature exist
In removed excision high pressure cylinder is the high pressure cylinder for maintaining 3000rpm rated speed, and removed excision intermediate pressure cylinder is to maintain
The intermediate pressure cylinder of 3000rpm rated speed, removed excision low pressure (LP) cylinder are the low pressure (LP) cylinder for maintaining 3000rpm rated speed.
9. a kind of efficient Turbo-generator Set of the resectable wide load of partial-cylinder according to claim 1, feature exist
In the intermediate pressure cylinder is connect with excision low pressure (LP) cylinder and reservation low pressure (LP) cylinder respectively by intermediate pressure cylinder blow-off line, wherein intermediate pressure cylinder
Low pressure (LP) cylinder, which is equipped with, between blow-off line and excision low pressure (LP) cylinder cuts off pitch.
10. a kind of efficient Turbo-generator Set of the resectable wide load of partial-cylinder according to claim 1, feature exist
In, the excision high pressure cylinder and reservation high pressure cylinder split axle are arranged, the excision intermediate pressure cylinder and reservation intermediate pressure cylinder split axle setting,
The excision low pressure (LP) cylinder and reservation low pressure (LP) cylinder split axle setting, the excision high pressure cylinder, excision intermediate pressure cylinder and excision low pressure (LP) cylinder
Sequentially coaxially it is arranged, the reservation high pressure cylinder, reservation intermediate pressure cylinder and reservation low pressure (LP) cylinder are sequentially coaxially arranged.
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| CN201821662488.4U CN208982129U (en) | 2018-10-12 | 2018-10-12 | The efficient Turbo-generator Set of the resectable wide load of partial-cylinder |
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| CN201821662488.4U CN208982129U (en) | 2018-10-12 | 2018-10-12 | The efficient Turbo-generator Set of the resectable wide load of partial-cylinder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042881A (en) * | 2018-10-12 | 2020-04-21 | 上海明华电力技术工程有限公司 | Wide-load high-efficiency steam turbine generator unit with part of cylinders capable of being cut off |
-
2018
- 2018-10-12 CN CN201821662488.4U patent/CN208982129U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042881A (en) * | 2018-10-12 | 2020-04-21 | 上海明华电力技术工程有限公司 | Wide-load high-efficiency steam turbine generator unit with part of cylinders capable of being cut off |
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