CN205477780U - A low pressure bypass turbine system for high load condition of large -scale steam turbine - Google Patents
A low pressure bypass turbine system for high load condition of large -scale steam turbine Download PDFInfo
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- CN205477780U CN205477780U CN201620256635.2U CN201620256635U CN205477780U CN 205477780 U CN205477780 U CN 205477780U CN 201620256635 U CN201620256635 U CN 201620256635U CN 205477780 U CN205477780 U CN 205477780U
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Abstract
The utility model discloses a low pressure bypass turbine system for high load condition of large -scale steam turbine, including the main steam turbine intermediate pressure cylinder, the entry end of main steam turbine intermediate pressure cylinder is connected to the boiler re -heater, and the exit end is connected to main steam turbine low pressure jar and bypass turbine respectively, and the exit end of main steam turbine low pressure jar and the exit end of bypass turbine all are connected to main condenser, and the exit end of main condenser is connected to feedwater heat recovery system, power output hub connection to the main generator of main steam turbine intermediate pressure cylinder and main steam turbine low pressure jar, the extremely subsidiary generator of power output hub connection of bypass turbine. The utility model discloses can make the unit at the high -efficient operation of broad operating mode within range, furthest reduction unit coa consumption rate.
Description
Technical field
This utility model belongs to mechanical engineering and energy-saving field, is specifically related to a kind of low voltage bypass turbine systems for large-size steam turbine high load capacity operating mode.
Background technology
Large steam turbine, when heavy-duty service, is usually present the problem that low pressure (LP) cylinder final stage flow area is not enough, causes bigger steam discharge leaving loss and limits the further reduction of unit exhaust steam pressure, affecting the economy of low pressure (LP) cylinder and unit.The main cause producing this problem is as follows:
1) initial steam pressure of steam turbine last stage is directly proportional to steam flow, but exhaust steam pressure is not the most with changes in flow rate, causes final stage enthalpy drop random group load acute variation, and its efficient condition range is the narrowest, needs rationally to select optimal working point.
2) when displacement is more less than optimal displacement, exhaust stage blade regional area will appear from backflow, makes cascade loss be increased dramatically；Obviously, the unit load that final stage optimal working point is corresponding is the highest, occurs that the running on the lower load scope of backflow is the biggest.
3) for summer condition, because exhaust pressure raising, volume flow reduce, occur that the running on the lower load scope of backflow is bigger than design conditions.
4) very big due to the volume flow of large steam turbine final stage, aisle spare and blade height are usually close to even up to design limit.According to analysis above, the unit load that optimal working point is corresponding is the lowest, and blade is the shortest, and safety allowance is the biggest.
Therefore, when actual Design of Steam Turbine, need the impact of the various factors such as the conventional condition range, safety, manufacturing cost and the rotor stability that consider unit, optimal working point is typically chosen 65%～85% load, this necessarily causes low pressure (LP) cylinder efficiency under high load capacity operating mode to reduce with the increase of load, at full capacity than optimal working point low 1%～more than 2%, as shown in Figure 1.The problem that low pressure (LP) cylinder final stage flow area is not enough is not that increase final stage aisle spare (as increased a set of low pressure (LP) cylinder) is the most soluble merely, only take measures to reduce the low pressure (LP) cylinder displacement of high load capacity operating mode but do not change the low pressure (LP) cylinder displacement of running on the lower load and could effectively solve the problems referred to above, make unit Effec-tive Function in wider condition range.
Utility model content
The purpose of this utility model is to provide a kind of low voltage bypass turbine systems for large-size steam turbine high load capacity operating mode, with the defect overcoming above-mentioned prior art to exist, this utility model can make unit Effec-tive Function in wider condition range, reduces unit coa consumption rate to greatest extent.
For reaching above-mentioned purpose, this utility model adopts the following technical scheme that
A kind of low voltage bypass turbine systems for large-size steam turbine high load capacity operating mode, including main steam turbine intermediate pressure cylinder, the arrival end of main steam turbine intermediate pressure cylinder is connected to boiler reheater, the port of export is respectively connecting to main steam turbine low pressure (LP) cylinder and bypass turbine, the port of export of the port of export of main steam turbine low pressure (LP) cylinder and bypass turbine is connected to main condenser, the port of export of main condenser is connected to water supply heat back system, the power output shaft of main steam turbine intermediate pressure cylinder and main steam turbine low pressure (LP) cylinder is connected to main generator, and the power output shaft of bypass turbine is connected to auxiliary generator.
Further, it is provided with auxiliary condenser between the port of export and the arrival end of main condenser of bypass turbine.
Further, it is provided with the first inlet valve between the port of export and the arrival end of bypass turbine of main steam turbine intermediate pressure cylinder.
Further, bypass turbine is for determining rotating speed list shunting Low Voltage Pure condensing-type bypass turbine or determining rotating speed double split flow Low Voltage Pure condensing-type bypass turbine.
Further, it is provided with the first inlet valve in parallel and the second inlet valve between the port of export of main steam turbine intermediate pressure cylinder and the arrival end of bypass turbine.
Further, bypass turbine is for determining rotating speed double split flow Low Voltage Pure condensing-type bypass turbine.
Compared with prior art, this utility model has a following useful technique effect:
The utility model proposes a kind of in parallel with main steam turbine and only when high load capacity run determine rotating speed low voltage bypass turbine systems, the problem that under high load capacity operating mode, final stage exhaust passage area is not enough is solved with its shunting part main steam turbine low-pressure steam, and provide condition for reducing turbine back pressure further, this utility model is on the basis of former Turbo-generator Set, increase a set of by bypass turbine, inlet valve, the low voltage bypass turbine systems that auxiliary generator and auxiliary condenser (optional) form, utilize bypass turbine that shunting and the regulation effect of main steam turbine low pressure (LP) cylinder quantity of steam are solved the problem that under high load capacity operating mode, main steam turbine final stage exhaust passage area is not enough.Its operation principle is: in high load capacity operating mode, bypass turbine inlet valve is shown in a fully open operation, from main steam turbine intermediate pressure cylinder steam discharge, distribute a part of steam enter bypass turbine expansion acting via inlet valve, reduce the quantity of steam entering main steam turbine low pressure (LP) cylinder to reduce steam discharge leaving loss and exhaust steam pressure；And at running on the lower load, close bypass turbine inlet valve to reduce the eddy current loss when low discharge of the main steam turbine low pressure (LP) cylinder.
Bypass turbine of the present utility model uses determines the straight condensing turbine that rotating speed runs, and directly drives auxiliary generator, and its electric energy produced enters station service or is connected to the grid, and turbine exhaust steam imports main condenser or is directly entered main condenser after condensing in auxiliary condenser.Vapour restriction loss is little, be in the features such as perfect condition without intermediate extraction, blade height at different levels because entering for bypass turbine of the present utility model, make its efficiency close to even more than main steam turbine low pressure (LP) cylinder, and reducing further and low pressure (LP) cylinder Effec-tive Function in wider condition range of steam turbine exhaust pressure can be realized, make the average coal consumption of power plant reduce by 1.0～more than 2.5g/kWh, there is significant economic benefit and application prospect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that steam turbine each cylinder efficiency changes with throttle flow；
Fig. 2 is the structural representation of this utility model embodiment 1；
Fig. 3 is the structural representation of this utility model embodiment 2；
Fig. 4 is the structural representation of this utility model embodiment 3；
Fig. 5 is the structural representation of this utility model embodiment 4.
Wherein, 1. main steam turbine intermediate pressure cylinder；2. main steam turbine low pressure (LP) cylinder；3. main generator；The most main condenser；5. the first inlet valve；6. bypass turbine；7. auxiliary generator；The most auxiliary condenser；9. the second inlet valve；P1. boiler reheater；P2. water supply heat back system.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail:
See Fig. 2 to Fig. 4, a kind of low voltage bypass turbine systems for large-size steam turbine high load capacity operating mode, including main steam turbine intermediate pressure cylinder 1, the arrival end of main steam turbine intermediate pressure cylinder 1 is connected to boiler reheater P1, the port of export is respectively connecting to main steam turbine low pressure (LP) cylinder 2 and bypass turbine 6, the port of export of the port of export of main steam turbine low pressure (LP) cylinder 2 and bypass turbine 6 is connected to main condenser 4, it is provided with auxiliary condenser 8 between the port of export and the arrival end of main condenser 4 of bypass turbine 6, the port of export of main condenser 4 is connected to water supply heat back system P2, the power output shaft of main steam turbine intermediate pressure cylinder 1 and main steam turbine low pressure (LP) cylinder 2 is connected to main generator 3, the power output shaft of bypass turbine 6 is connected to auxiliary generator 7.
It is provided with the first inlet valve 5 between the port of export of main steam turbine intermediate pressure cylinder 1 and the arrival end of bypass turbine 6 or in parallel is provided with the first inlet valve 5 and the second inlet valve 9, when only arranging the first inlet valve 5, bypass turbine 6 is for determining rotating speed list shunting Low Voltage Pure condensing-type bypass turbine or determining rotating speed double split flow Low Voltage Pure condensing-type bypass turbine；When being arranged in parallel the first inlet valve 5 and the second inlet valve 9, bypass turbine 6 is for determining rotating speed double split flow Low Voltage Pure condensing-type bypass turbine.
The bypass turbine of described system can use single shunting+mono-inlet valve structure, it would however also be possible to employ double split flow+bis-inlet valve structures or double split flow+mono-inlet valve structure.Wherein, described double split flow+bis-inlet valves can use symmetrical structure, it would however also be possible to employ unsymmetric structure.
Described system can make the optimal exhaust steam pressure of steam turbine reduce by regulation quantity of circulating water, widens the condition range of unit Effec-tive Function, reduces the average coal consumption of unit；The control method of its quantity of circulating water includes using water circulating pump converting operation, double rotating speed water circulating pump Expanding Unit Element System to run or single rotating speed water circulating pump Expanding Unit Element System runs；Its optimal exhaust steam pressure refers to steam turbine exhaust pressure when unit net coal consumption rate is minimum under corresponding operating mode.
The method of operation of described system and bypass turbine is: according to single inlet valve structure, bypass turbine starts when main steam turbine load is higher than upper limit set value, time properly functioning, inlet valve standard-sized sheet loses with the vapour that enters reducing bypass turbine, and closes inlet valve and bypass turbine when main steam turbine load is less than lower limit set value.According to double inlet valve structures, open the inlet valve of correspondence when main steam turbine load raises and is higher than upper limit set value by payload successively, make main steam turbine displacement be in low pressure (LP) cylinder efficacious workaround all the time；When main steam turbine load reduction and less than lower limit set value time, close inlet valve and bypass turbine；When bypassing turbine and being properly functioning, each inlet valve is in standard-sized sheet or full off state all the time to reduce into vapour restriction loss.After bypass turbine inlet valve cuts out, still steam turbine exhaust pressure can be made to be in optimum state by regulation quantity of circulating water.
The selection principle of the main steam turbine load setting value that described bypass turbine is turned on and off is: reduce the start-stop time of bypass turbine while keeping main steam turbine low pressure (LP) cylinder Effec-tive Function as far as possible.The vapour source of described bypass turbine may select mesolow cylinder steam guiding tube and draws gas or low pressure (LP) cylinder regenerative steam point draws gas, exhaust steam can be directly discharged into main condenser, the auxiliary condenser arranged specially into it can also be entered, it is also possible to enter the auxiliary condenser shared with feed pump turbine.Described bypass turbine directly drives auxiliary generator to generate electricity, and its electric energy produced is connected to the grid or station service.
Below implementation process of the present utility model is described in further detail:
Embodiment 1
A kind of low voltage bypass turbine systems for large-size steam turbine high load capacity operating mode, as shown in Figure 2.Described system is on the basis of conventional Large Steam Turbine Sets, increase a set of rotating speed list shunting Low Voltage Pure condensing-type of determining controlled by single first inlet valve 5 and bypass turbine, auxiliary condenser 8 and auxiliary generator 7 and pipe-line system thereof, utilize bypass turbine 6 that shunting and the regulation effect of main steam turbine low pressure (LP) cylinder 2 quantity of steam are solved the problem that under high load capacity operating mode, final stage exhaust passage area is not enough, and provide condition for reducing turbine back pressure further.
The vapour that enters of described bypass turbine 6 comes from the main steam turbine intermediate pressure cylinder 1 steam guiding tube to main steam turbine low pressure (LP) cylinder 2, and exhaust steam enters auxiliary condenser 8, and the mechanical energy of generation drives auxiliary generator 7 to generate electricity.
The method of operation of described system is: assuming that the displacement of main steam turbine low pressure (LP) cylinder 2 is Q, the displacement that optimal working point is corresponding is Qopt, work as Q > and kQoptTime, startup bypass turbine 6, to reduce main steam turbine low pressure (LP) cylinder 2 quantity of steam, makes main steam turbine low pressure (LP) cylinder 2 be in efficacious workaround；As Q < QoptDuring/k, close the first inlet valve 5 and bypass turbine 6.The value principle of k is: reduce the start-stop time of bypass turbine while keeping main steam turbine low pressure (LP) cylinder Effec-tive Function as far as possible, it is proposed that but do not limit k value in the range of 1.04～1.12.In order to reduce into vapour restriction loss, when bypassing turbine 6 and being properly functioning, the first inlet valve 5 is shown in a fully open operation all the time.
Because entering, vapour restriction loss is little, be in the features such as perfect condition without intermediate extraction, blade height at different levels when properly functioning for described bypass turbine so that it is efficiency is close to even more than main steam turbine low pressure (LP) cylinder；Additionally, use described technical scheme that main steam turbine low pressure (LP) cylinder 2 efficiency under high load capacity operating mode can be made to improve 0.5～more than 1.5%, the optimal exhaust steam pressure of steam turbine can be made can to reduce by 0.5～1kPa by quantity of circulating water regulation, and significantly widened the condition range of unit Effec-tive Function, make the comprehensive coa consumption rate of unit can reduce by 1.5～3g/kWh, there is significant economic benefit and application prospect.
Embodiment 2
A kind of low voltage bypass turbine systems for large-size steam turbine high load capacity operating mode, as shown in Figure 3.Described system is on the basis of conventional Large Steam Turbine Sets, increase a set of rotating speed double split flow Low Voltage Pure condensing-type of determining controlled by single first inlet valve 5 and bypass turbine, auxiliary condenser 8 and auxiliary generator 7 and pipe-line system thereof, utilize bypass turbine 6 that shunting and the regulation effect of main steam turbine low pressure (LP) cylinder 2 quantity of steam are solved the problem that under high load capacity operating mode, final stage exhaust passage area is not enough, and provide condition for reducing turbine back pressure further.
The vapour that enters of described bypass turbine 6 comes from the main steam turbine intermediate pressure cylinder 1 steam guiding tube to main steam turbine low pressure (LP) cylinder 2, and exhaust steam enters auxiliary condenser 8, and the mechanical energy of generation drives auxiliary generator 7 to generate electricity.
The method of operation of described system is: assuming that the displacement of main steam turbine low pressure (LP) cylinder 2 is Q, the displacement that optimal working point is corresponding is Qopt, work as Q > and kQoptTime, startup bypass turbine 6, to reduce main steam turbine low pressure (LP) cylinder 2 quantity of steam, makes main steam turbine low pressure (LP) cylinder 2 be in efficacious workaround；As Q < QoptDuring/k, close the first inlet valve 5 and bypass turbine 6.The value principle of k is: reduce the start-stop time of bypass turbine while keeping main steam turbine low pressure (LP) cylinder Effec-tive Function as far as possible, it is proposed that but do not limit k value in the range of 1.04～1.12.In order to reduce into vapour restriction loss, when bypassing turbine 6 and being properly functioning, the first inlet valve 5 is shown in a fully open operation all the time.
Described bypass turbine when properly functioning because of axial thrust with enter that vapour restriction loss is little, be in the features such as perfect condition without intermediate extraction, blade height at different levels so that it is the close even more than main steam turbine low pressure (LP) cylinder of efficiency；Additionally, use described technical scheme that main steam turbine low pressure (LP) cylinder 2 efficiency under high load capacity operating mode can be made to improve 0.5～more than 1.5%, the optimal exhaust steam pressure of steam turbine can be made can to reduce by 0.5～1kPa by quantity of circulating water regulation, and significantly widened the condition range of unit Effec-tive Function, make the comprehensive coa consumption rate of unit can reduce by 1.5～3g/kWh, there is significant economic benefit and application prospect.
Compared with Example 1, the bypass turbine in the present embodiment uses double split flow structure, for balancing axial thrust, reduces blade height, it is adaptable to the bypass turbine systems that power is bigger.
Embodiment 3
A kind of low voltage bypass turbine systems for large-size steam turbine high load capacity operating mode, as shown in Figure 4.Described system is on the basis of conventional Large Steam Turbine Sets, increase a set of rotating speed double split flow Low Voltage Pure condensing-type of determining controlled respectively by the first inlet valve 5 in parallel and the second inlet valve 9 and bypass turbine, auxiliary condenser 8 and auxiliary generator 7 and pipe-line system thereof, utilize bypass turbine 6 that shunting and the regulation effect of main steam turbine low pressure (LP) cylinder 2 quantity of steam are solved the problem that under high load capacity operating mode, final stage exhaust passage area is not enough, and provide condition for reducing turbine back pressure further.
The vapour that enters of described bypass turbine 6 comes from the main steam turbine intermediate pressure cylinder 1 steam guiding tube to main steam turbine low pressure (LP) cylinder 2, is controlled by the first inlet valve 5 and the second inlet valve 9 respectively, enters the air intake of bypass turbine 6 both sides.Described bypass turbine 6 can use symmetrical structure, it would however also be possible to employ unsymmetric structure, but both sides exhaust steam is discharged into auxiliary condenser 8, and the mechanical energy of generation drives auxiliary generator 5 to generate electricity.
According to symmetrical structure, the method for operation of described system is: assuming that the displacement of main steam turbine low pressure (LP) cylinder 2 is Q, the displacement that optimal working point is corresponding is Qopt；In bypass turbine stopped status, when Q raises and Q > kQoptTime, first turn on the first inlet valve 5, start bypass turbine 6, if Q continues to increase and more than kQoptTime, it is then turned on the second inlet valve 9, makes main steam turbine displacement be in main steam turbine low pressure (LP) cylinder 2 efficacious workaround all the time；In bypass turbine two valve full-gear, when Q reduces and Q < QoptDuring/k, it is first shut off the first inlet valve 5, if Q continues to reduce and less than QoptDuring/k, turn off the second inlet valve 9, make bypass turbine shut down.
According to unsymmetric structure, described system can use the method for operation identical with symmetrical structure, and the inlet valve now first turning on and finally cutting out is typically chosen but is not limited to the valve that size is less；If turbine both sides steam flow gap is relatively big, and the time little valve first turned on, it is also possible to close first valve when second valve is opened, when Q continues to increase and more than kQoptTime be again turned on first valve, contrast during closedown, make main steam turbine low pressure (LP) cylinder changes in flow rate more steady.
The value principle of k is: reduce the start-stop time of bypass turbine while keeping main steam turbine low pressure (LP) cylinder Effec-tive Function as far as possible, generally, it is proposed that but do not limit k value in the range of 1.02～1.1.In order to reduce into vapour restriction loss, when bypassing turbine and being properly functioning, each inlet valve is in standard-sized sheet or full off state all the time.
Compared with Example 2, the main steam turbine low pressure (LP) cylinder Flow-rate adjustment of the present embodiment is finer, smooth, and efficient condition range is the biggest.The enforcement of this programme will make low pressure (LP) cylinder efficiency under high load capacity operating mode improve 0.8～more than 2.0%, the optimal exhaust steam pressure of steam turbine can be made to reduce by 0.5～1kPa by quantity of circulating water regulation, make coal consumption at most reduce by 2～4g/kWh, there is significant economic benefit and application prospect.The major defect of the present embodiment is that the regulation of bypass turbine controls complexity.
Embodiment 4
A kind of low voltage bypass turbine systems for large-size steam turbine high load capacity operating mode, as shown in Figure 5.Described system is on the basis of conventional Large Steam Turbine Sets, increase a set of rotating speed list shunting Low Voltage Pure condensing-type of determining controlled by single first inlet valve 5 and bypass turbine 6 and auxiliary generator 7 and pipe-line system thereof, utilize bypass turbine that shunting and the regulation effect of main steam turbine low pressure (LP) cylinder 2 quantity of steam are solved the problem that under high load capacity operating mode, final stage exhaust passage area is not enough.
The vapour that enters of described bypass turbine 6 comes from the main steam turbine intermediate pressure cylinder 1 steam guiding tube to main steam turbine low pressure (LP) cylinder 2, and exhaust steam straight runs in and becomes owner of condenser 4, and the mechanical energy of generation drives auxiliary generator 7 to generate electricity.Although cold end load and parameter are not changed in, but owing to main steam turbine displacement reduces, still there is the condition reducing exhaust steam pressure.
The method of operation of described system is: assuming that the displacement of main steam turbine low pressure (LP) cylinder 2 is Q, the displacement that optimal working point is corresponding is Qopt, work as Q > and kQoptTime, startup bypass turbine 6, to reduce main steam turbine low pressure (LP) cylinder 2 quantity of steam, makes main steam turbine low pressure (LP) cylinder 2 be in efficacious workaround；As Q < QoptDuring/k, close the first inlet valve 5 and bypass turbine 6.The value principle of k is: reduce the start-stop time of bypass turbine while keeping main steam turbine low pressure (LP) cylinder 2 Effec-tive Function as far as possible, it is proposed that but do not limit k value in the range of 1.04～1.12.In order to reduce into vapour restriction loss, when bypassing turbine and being properly functioning, the first inlet valve 5 is shown in a fully open operation all the time.
Because entering, vapour restriction loss is little, be in the features such as perfect condition without intermediate extraction, blade height at different levels when properly functioning for described bypass turbine so that it is efficiency is close to even more than main steam turbine low pressure (LP) cylinder；Additionally, use described technical scheme that low pressure (LP) cylinder efficiency under high load capacity operating mode can be made to improve 0.5～more than 1.5%, the optimal exhaust steam pressure of steam turbine can be made can to reduce by 0.5～1kPa by quantity of circulating water regulation, and significantly widened the condition range of unit Effec-tive Function, there is significant economic benefit and application prospect.
When using double split flow bypass turbine, such as embodiment 2 and embodiment 3, it is also possible to be not provided with auxiliary condenser.
Claims (6)
1. the low voltage bypass turbine systems for large-size steam turbine high load capacity operating mode, it is characterised in that
Including main steam turbine intermediate pressure cylinder (1), the arrival end of main steam turbine intermediate pressure cylinder (1) is connected to boiler reheater
(P1), the port of export is respectively connecting to main steam turbine low pressure (LP) cylinder (2) and bypass turbine (6), main steam turbine
The port of export of the port of export of low pressure (LP) cylinder (2) and bypass turbine (6) is connected to main condenser (4), main
The port of export of condenser (4) is connected to water supply heat back system (P2), main steam turbine intermediate pressure cylinder (1) and
The power output shaft of main steam turbine low pressure (LP) cylinder (2) is connected to main generator (3), bypass turbine (6)
Power output shaft is connected to auxiliary generator (7).
A kind of low voltage bypass for large-size steam turbine high load capacity operating mode the most according to claim 1 is saturating
Flat system, it is characterised in that the arrival end of the port of export and the main condenser (4) of bypass turbine (6) it
Between be provided with auxiliary condenser (8).
A kind of low voltage bypass for large-size steam turbine high load capacity operating mode the most according to claim 1 is saturating
Flat system, it is characterised in that the port of export of main steam turbine intermediate pressure cylinder (1) enters with bypass turbine (6)
It is provided with the first inlet valve (5) between mouth end.
A kind of low voltage bypass for large-size steam turbine high load capacity operating mode the most according to claim 3 is saturating
Flat system, it is characterised in that bypass turbine (6) is for determining rotating speed list shunting Low Voltage Pure condensing-type bypass turbine
Or determine rotating speed double split flow Low Voltage Pure condensing-type bypass turbine.
A kind of low voltage bypass for large-size steam turbine high load capacity operating mode the most according to claim 1 is saturating
Flat system, it is characterised in that the port of export of main steam turbine intermediate pressure cylinder (1) enters with bypass turbine (6)
The first inlet valve (5) and second inlet valve (9) of parallel connection it is provided with between mouth end.
A kind of low voltage bypass for large-size steam turbine high load capacity operating mode the most according to claim 5 is saturating
Flat system, it is characterised in that bypass turbine (6) is for determining rotating speed double split flow Low Voltage Pure condensing-type bypass turbine.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107060918A (en) * | 2017-04-14 | 2017-08-18 | 贵州电网有限责任公司电力科学研究院 | A kind of many low pressure (LP) cylinder steam turbine generator set system optimization device and methods |
| CN108104887A (en) * | 2017-12-07 | 2018-06-01 | 中国神华能源股份有限公司 | The therrmodynamic system of double reheat |
| CN109296413A (en) * | 2018-10-30 | 2019-02-01 | 中国华能集团清洁能源技术研究院有限公司 | A kind of the bypass double reheat power generator and method cooling using deep sea water |
| CN111143982A (en) * | 2019-12-19 | 2020-05-12 | 西安交通大学 | Particle erosion resistance optimization method for turbine mechanical blade flow passage structure |
| CN112228164A (en) * | 2020-09-03 | 2021-01-15 | 中国神华能源股份有限公司国华电力分公司 | Steam turbine generator system |
| CN114718674A (en) * | 2022-03-08 | 2022-07-08 | 暨南大学 | State reconfiguration steam turbine unit and operation method thereof |
| CN114856733A (en) * | 2022-05-18 | 2022-08-05 | 西安热工研究院有限公司 | Steam turbine set power generation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060918A (en) * | 2017-04-14 | 2017-08-18 | 贵州电网有限责任公司电力科学研究院 | A kind of many low pressure (LP) cylinder steam turbine generator set system optimization device and methods |
| CN108104887A (en) * | 2017-12-07 | 2018-06-01 | 中国神华能源股份有限公司 | The therrmodynamic system of double reheat |
| CN109296413A (en) * | 2018-10-30 | 2019-02-01 | 中国华能集团清洁能源技术研究院有限公司 | A kind of the bypass double reheat power generator and method cooling using deep sea water |
| CN109296413B (en) * | 2018-10-30 | 2024-01-30 | 中国华能集团清洁能源技术研究院有限公司 | Bypass secondary reheating power generation device and method cooled by deep seawater |
| CN111143982A (en) * | 2019-12-19 | 2020-05-12 | 西安交通大学 | Particle erosion resistance optimization method for turbine mechanical blade flow passage structure |
| CN111143982B (en) * | 2019-12-19 | 2021-11-19 | 西安交通大学 | Particle erosion resistance optimization method for turbine mechanical blade flow passage structure |
| CN112228164A (en) * | 2020-09-03 | 2021-01-15 | 中国神华能源股份有限公司国华电力分公司 | Steam turbine generator system |
| CN114718674A (en) * | 2022-03-08 | 2022-07-08 | 暨南大学 | State reconfiguration steam turbine unit and operation method thereof |
| CN114718674B (en) * | 2022-03-08 | 2023-08-08 | 暨南大学 | State reconfiguration type turbine unit and operation method thereof |
| CN114856733A (en) * | 2022-05-18 | 2022-08-05 | 西安热工研究院有限公司 | Steam turbine set power generation system |
| CN114856733B (en) * | 2022-05-18 | 2024-06-04 | 西安热工研究院有限公司 | Turbine unit power generation system |
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