CN203978523U - The high temperature steam-extracting cooling system of Double reheat steam turbine thermodynamic system - Google Patents
The high temperature steam-extracting cooling system of Double reheat steam turbine thermodynamic system Download PDFInfo
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- CN203978523U CN203978523U CN201420385131.1U CN201420385131U CN203978523U CN 203978523 U CN203978523 U CN 203978523U CN 201420385131 U CN201420385131 U CN 201420385131U CN 203978523 U CN203978523 U CN 203978523U
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Abstract
The utility model discloses a kind of high temperature steam-extracting cooling system of Double reheat steam turbine thermodynamic system, this Double reheat steam turbine thermodynamic system comprises ultra-high pressure cylinder, high-pressure cylinder, reheater, intermediate pressure cylinder, low pressure (LP) cylinder, generator, heater and extraction line, at high-pressure cylinder, intermediate pressure cylinder is provided with the extraction opening being connected with extraction line, during thermodynamic system operation, the steam discharge of ultra-high pressure cylinder is directed to reheater to carry out entering high-pressure cylinder after heat temperature raising again, the steam discharge of high-pressure cylinder is directed to reheater to carry out entering intermediate pressure cylinder after heat temperature raising again, the high temperature of drawing from extraction opening draws gas and transfers to heater for heat-setting water or feedwater, in this thermodynamic system, be also provided with cooling system, comprise desuperheater, modulating valve and cooling water piping, desuperheater is communicated with cooling water source fluid, desuperheater is arranged so that high temperature draws gas after can and reducing temperature in desuperheater place and cooling water generation heat exchange and again enters extraction line, modulating valve is located on cooling water piping for regulating cooling water flow.
Description
Technical field
The utility model relates to Double reheat steam turbine generator set, is specifically related to Double reheat steam turbine high temperature steam-extracting cooling system.
Background technique
Adopt the thermal power plant of double reheat technology, its re-heating subsystem is, the steam of having done part merit in main steam turbine is drawn again and heated, and then draws back-steam turbine and continues acting, to improve thermodynamic system efficiency.
Adopt the firepower electrical plant of double reheat technology, conventionally also configure heat regenerative system, the heat drawing gas with main steam turbine comes heat-setting water and/or feedwater by heater, and the heat drawing gas is all recovered in working-medium water, reduce the latent heat of vaporization discharge that circulating water is taken away, to improve thermodynamic system efficiency.
For the higher unit of parameter (if main steam and reheat steam temperature are more than 620 ℃, even more than 700 ℃), certain what extraction temperature is high, need to promote the material rate of extraction line, valve, heater, extraction steam pipeline need to be used even nickel-base material of P91 or P92, the manufacture cost that has greatly improved pipeline, valve and equipment, feasibility is poor.
Accompanying drawing 1 is the schematic diagram of Double reheat steam turbine thermodynamic system in prior art.This Double reheat steam turbine thermodynamic system comprises ultra-high pressure cylinder 1, high-pressure cylinder 2, intermediate pressure cylinder 3, low pressure (LP) cylinder 4, generator 5, single reheat device 6, secondary reheater 7, heater 8, oxygen-eliminating device 9 and condenser 10.Normally in service, the steam discharge of ultra-high pressure cylinder 1 is directed to single reheat device 6 to carry out entering high-pressure cylinder 2 after heat temperature raising, the steam discharge of high-pressure cylinder 2 is directed to secondary reheater 7 to carry out entering intermediate pressure cylinder 3 after heat temperature raising again, in the middle of high-pressure cylinder 2 and intermediate pressure cylinder 3, be respectively equipped with one or more extraction openings, the high-temperature steam of drawing from this extraction opening transfers to heater 8 and oxygen-eliminating device 9 for heat-setting water and feedwater by extraction line 11.Reclaim the latent heat of vaporization to improve efficiency of thermal cycle.Yet, then the temperature of drawing gas after heat is compared with high and the degree of superheat is large, the energy of superheat section is also used to heating water with the latent heat of vaporization, affects efficiency of thermal cycle.For the higher unit of parameter (if main steam and reheat steam temperature are more than 620 ℃, even more than 700 ℃), certain what extraction temperature is high, need to promote the material rate of extraction line, valve, heater, for example use even nickel-base material of P91 or P92, this,, by the manufacture cost of riser tubing, valve and equipment greatly, has also affected the development of high pressure high temperature turbosets.
Model utility content
The purpose of this utility model is that the high temperature of Double reheat steam turbine thermodynamic system is drawn gas and lowered the temperature, make within its temperature reduces to the temperature range that extraction line that common alloy steel material makes and heater can bear, thereby the manufacture cost of pipeline, valve and equipment in reduction system, is beneficial to the development of high pressure high temperature turbosets.
For achieving the above object, the utility model provides a kind of high temperature steam-extracting cooling system of Double reheat steam turbine thermodynamic system, this Double reheat steam turbine thermodynamic system comprises ultra-high pressure cylinder, high-pressure cylinder, intermediate pressure cylinder, low pressure (LP) cylinder, generator, single reheat device, secondary reheater, heater and extraction line, at high-pressure cylinder, intermediate pressure cylinder is provided with the one or more extraction openings that are connected with extraction line, during this thermodynamic system operation, the steam discharge of ultra-high pressure cylinder is directed to single reheat device and carries out entering high-pressure cylinder after heat temperature raising, the steam discharge of high-pressure cylinder is directed to secondary reheater to carry out entering intermediate pressure cylinder after heat temperature raising again, the high-temperature steam of drawing from this extraction opening transfers to heater for heat-setting water and/or feedwater by extraction line, in Double reheat steam turbine thermodynamic system, be also provided with cooling system, this cooling system comprises desuperheater, modulating valve and cooling water piping, desuperheater is communicated with cooling water source fluid via cooling water piping, wherein, this desuperheater is arranged so that high temperature draws gas after can and reducing temperature in desuperheater place and cooling water generation heat exchange and again enters extraction line, modulating valve is located on cooling water piping and for regulating cooling water flow.
Preferably, this extraction line is provided with high temperature extraction check valve, and desuperheater is arranged on the extraction line after high temperature extraction check valve.
Preferably, a suitable distance after this desuperheater distance high-temperature extraction check valve.
Preferably, cooling water piping is connected with the hydrophobic piping of heater, thereby makes hydrophobic from heater of cooling water in cooling water piping, for desuperheat that high temperature is drawn gas.
Preferably, lead to the extraction line of the one-level heater in Multi-stage heating device and be connected with the drain water piping of the previous stage heater of described one-level heater in described Multi-stage heating device, thereby utilize, from the hydrophobic of previous stage heater of described one-level heater, high temperature is drawn gas and carries out desuperheat.
Preferably, the hydrophobic Jing Ji road cooling water piping of the one-level heater in the Multi-stage heating device respectively desuperheater fluid on the extraction line corresponding with rear what heater is communicated with, for desuperheat that corresponding high temperature is drawn gas.
Preferably, thus this modulating valve is for regulating the hydrophobic flow of cooling water piping to make within temperature that high temperature draws gas reduces to the temperature range that extraction line after desuperheater and heater can bear.
Preferably, cooling water piping is stated desuperheater fluid and is communicated with, make cooling water enter after desuperheater heat absorption occur vaporization and with by drawing gas of desuperheat, together entered heater for heat-setting water and/or feedwater.
Preferably; this cooling system also comprises start and stop or critical cooling water piping; when starting or stopping Double reheat steam turbine thermodynamic system or while occurring that normal cooling water breaks down; the desuperheat that the water supply of these start and stop or critical cooling water piping is drawn gas for high temperature, makes within temperature that high temperature draws gas is reduced to the temperature range that the relevant device after desuperheater can bear.
Preferably, in Double reheat steam turbine thermodynamic system, be also provided with blow-off line, from blow-off line, draw another extraction line, drawing gas in this another extraction line transfers to heater for heat-setting water and/or feedwater, another extraction line is provided with desuperheater, and what desuperheater was arranged so that blow-off line draws draws gas and can and reduce temperature in desuperheater place and cooling water generation heat exchange.
Preferably, the material of the connection desuperheater of heater and extraction line and the part of heater is common alloyed steel.
The utility model draws gas for the high temperature of the higher Double reheat steam turbine generator set of parameter; after the check valve of high temperature extraction line, be provided with desuperheater; start and stop or clutch adopt to pump tap water to come for the cooling of high temperature extraction line; when generator set normally moves; adopt the hydrophobic desuperheat drawing gas for high temperature of prime heater; by the extremely applicable temperature of common alloyed steel of desuperheat of drawing gas; can effectively reduce the cost of tubing after desuperheater, external steaming cooler and high-pressure heater, for the development of high pressure high temperature turbosets more creates conditions.The utility model is very little on the impact of thermodynamic cycle up-time efficiency simultaneously, has good technical and economic feasibility.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of Double reheat steam turbine thermodynamic system in prior art;
Fig. 2 is according to the schematic diagram of the utility model the first embodiment's Double reheat steam turbine high temperature steam-extracting cooling system;
Fig. 3 is according to the schematic diagram of the utility model the second embodiment's Double reheat steam turbine high temperature steam-extracting cooling system;
Fig. 4 is according to the schematic diagram of the utility model the 3rd embodiment's Double reheat steam turbine high temperature steam-extracting cooling system; And
Fig. 5 is according to the schematic diagram of the utility model the 4th embodiment's Double reheat steam turbine high temperature steam-extracting cooling system.
Embodiment
Below with reference to accompanying drawing, preferred embodiment of the present utility model is elaborated, so that clearer, understands the purpose of this utility model, feature and advantage.It should be understood that embodiment shown in the drawings is not the restriction to the utility model scope, and just for the connotation of technical solutions of the utility model is described.
Below, major technique term of the present utility model is described.
Hot again: the steam of having done part merit in steam turbine to be drawn again and heated, then draw back-steam turbine and continue acting.This mode is called heat again.By reasonably hot again, can reduce exhaust steam moisture, improve efficiency of thermal cycle.
High temperature draws gas: the higher steam of temperature that the intergrade from turbine discharge is extracted out is the main steam of 600 ℃ for temperature, and the temperature that high temperature draws gas is generally approximately 350 ℃ to approximately 550 ℃; For temperature, be the main steam of 700 ℃, the temperature that high temperature draws gas is generally approximately 350 ℃ to approximately 650 ℃.
Cooling system: the system that adopts the medium that medium chilling temperature that temperature is lower is higher.
Fig. 2 is according to the schematic diagram of the utility model the first embodiment's Double reheat steam turbine high temperature steam-extracting cooling system.As shown in Figure 2, Double reheat steam turbine thermodynamic system generally includes ultra-high pressure cylinder 1, high-pressure cylinder 2, intermediate pressure cylinder 3, low pressure (LP) cylinder 4, generator 5, single reheat device 6, secondary reheater 7, heater 8, oxygen-eliminating device 9 and condenser 10.Normally in service, the steam discharge of ultra-high pressure cylinder 1 is directed to single reheat device 6 to carry out entering high-pressure cylinder 2 after heat temperature raising, the steam discharge of high-pressure cylinder 2 is directed to secondary reheater 7 to carry out entering intermediate pressure cylinder 3 after heat temperature raising again, in the middle of high-pressure cylinder 2 and intermediate pressure cylinder 3, be respectively equipped with one or more extraction openings, the high-temperature steam of drawing from this extraction opening transfers to heater 8 and oxygen-eliminating device 9 for heat-setting water and feedwater by extraction line.Yet, because the temperature of drawing gas after heat is again compared with high and the degree of superheat is large, for the higher unit of parameter, certain what extraction temperature is high (if main steam and reheat steam temperature are more than 620 ℃, even more than 700 ℃), therefore need to promote the material rate of extraction line, valve, heater, for example use even nickel-base material of P91 or P92, this,, by the manufacture cost of riser tubing, valve and equipment greatly, has also affected the development of high pressure high temperature turbosets.Therefore, in the present embodiment, increased high temperature steam-extracting cooling system, for drawing gas and cause heater and oxygen-eliminating device again after reduction temperature that high temperature is drawn gas, it has been heated.
As shown in Figure 2, Double reheat steam turbine high temperature steam-extracting cooling system comprises desuperheater 12, modulating valve 13, cooling water piping 14 and start and stop or critical cooling water piping (not shown).Desuperheater 12 is arranged on high temperature extraction line 11, preferably, desuperheater 12 is arranged on the extraction line after high temperature extraction check valve (not shown), this desuperheater 12 is communicated with cooling water source fluid via cooling water piping 14, and desuperheater 12 is arranged so that high temperature draws gas after can and reducing temperature in desuperheater 12 places and cooling water generation heat exchange and again enters extraction line.Modulating valve 13 is located on cooling water piping 14 for regulating cooling water flow, and cooling water piping 14 one end fluids are communicated in hydrophobic piping 15, and the other end is communicated with desuperheater 12 fluids.
When Double reheat steam turbine thermodynamic system is normally moved, thereby the hydrophobic of upper level heater flow to the high-temperature gas generation heat exchange in desuperheater 12 and extraction line 11 by cooling water piping 14, the heat that hydrophobic absorption high temperature draws gas is vaporized and is made the high temperature desuperheat that draws gas, and drawing gas after the gas that produces afterwards of hydrophobic vaporization and desuperheat together enters next stage heater or oxygen-eliminating device and be used to heated feed water and water of condensation.
Modulating valve 13 is for controlling the hydrophobic flow for next stage gas desuperheat of upper level heater, this uninterrupted draws gas effectively by desuperheat to the applicable temperature of common alloyed steel high temperature, thereby avoids extraction line to use the high-grade material involving great expense.In addition, the gas producing afterwards due to hydrophobic vaporization together enters next stage heater or oxygen-eliminating device with drawing gas, total amount of heat for heat-setting water and feedwater in next stage heater or oxygen-eliminating device does not reduce, thereby the efficiency of utilization that high temperature draws gas does not reduce.
When starting or stopping Double reheat steam turbine thermodynamic system, the high temperature of high-pressure cylinder 2 and intermediate pressure cylinder 3 draws gas by the water supply of start and stop or critical cooling water piping, the temperature of can bear for example to pump tap water desuperheat to corresponding extraction line and heater or oxygen-eliminating device; When Double reheat steam turbine thermodynamic system is normally moved, high temperature draws gas by carrying out desuperheat by upper level heater condensate.
Fig. 3 is according to the schematic diagram of the utility model the second embodiment's Double reheat steam turbine high temperature steam-extracting cooling system.In conjunction with Fig. 2 and Fig. 3, can find out, the second embodiment and the first embodiment's remarkable difference is, the high temperature steam-extracting cooling system of above-described embodiment adopts higher level's heater condensate to spray water step by step to the form of next stage high temperature extraction line, and the high temperature steam-extracting cooling system of the present embodiment adopts primary heater hydrophobic for the draw gas form of desuperheat of rear what high temperature.In Fig. 3, current in cooling water piping 14 are hydrophobic from primary heater all, modulating valve 13 is controlled the hydrophobic flow in each cooling water piping 14 according to the desuperheat demand of high temperature extraction lines at different levels, thereby reach effective temperature lowering effect, within making scope that pipeline that temperature that high temperature at different levels draws gas is made in common alloy can bear.Similarly, hydrophobic by cooling water piping 14 flow to that desuperheater 23 is vaporized with the heat that absorbs high temperature and draw gas and with by drawing gas of desuperheat, together entered corresponding heater or oxygen-eliminating device.
3 tunnels in Fig. 2 and Fig. 3 are respectively corresponding two the platform heaters 8 of cooling water piping and an oxygen-eliminating device 9 step by step, and heater is the pattern of single-row 1 100% capacity.In fact, according to different extraction temperatures and different desuperheat demands, the quantity of cooling water piping can be also 1 or 2 roads or more step by step, and in addition, heater also can adopt the pattern of 2 50% capacity of biserial.
Cooling system of the present utility model also can adopt the hydrophobic form combining for rear what desuperheat of cascaded drain desuperheat and prime, for example, in Double reheat steam turbine thermodynamic system, be provided with multistage extraction line, the hydrophobic desuperheat drawing gas for the second level of primary heater, and the desuperheat that second level heater condensate draws gas for the third level, the fourth stage (or more multistage).
Fig. 4 is according to the schematic diagram of the utility model the 3rd embodiment's Double reheat steam turbine high temperature steam-extracting cooling system.Fig. 5 is according to the schematic diagram of the utility model the 4th embodiment's Double reheat steam turbine high temperature steam-extracting cooling system.The 3rd embodiment is similar with the first embodiment as shown in Figure 2, all adopts higher level's heater condensate to spray water step by step to the form of next stage high temperature extraction line; The 4th embodiment and the second embodiment are as shown in Figure 3 similar, all adopt prime heater condensate for the draw gas form of desuperheat of rear what high temperature.Different, consider for high pressure high temperature turbosets, as ultra supercritical unit, the exhaust temperature of high-pressure cylinder also may be higher, now, also can increase cooling system to blow-off line 11 '.Prime is hydrophobic enters desuperheater and high temperature draws gas or steam discharge generation heat exchange by cooling water piping, high temperature is drawn gas and the temperature of steam discharge is reduced to the temperature that common alloyed steel can bear.
The utility model draws gas for the high temperature of the higher Double reheat steam turbine generator set of parameter; after the check valve of high temperature extraction line, be provided with desuperheater; start and stop or clutch adopt to pump tap water to come for the cooling of high temperature extraction line; when generator set normally moves; adopt the hydrophobic desuperheat drawing gas for high temperature of prime heater; by the extremely applicable temperature of common alloyed steel of desuperheat of drawing gas; can effectively reduce the cost of tubing after desuperheater, external steaming cooler and high-pressure heater, for the development of high pressure high temperature turbosets more creates conditions.Meanwhile, after the hydrophobic heat absorption vaporization for desuperheat, with drawing gas, together enter rear class heater or oxygen-eliminating device, take full advantage of the heat that high temperature draws gas and carries.
In high temperature steam-extracting cooling system of the present utility model; cooling water normally can adopt hydrophobic (start and stop or critical cooling water can adopt to pump tap water) of upper level high-pressure heater; or using the hydrophobic cooling water drawing gas as other what high temperature (start and stop or critical cooling water still can adopt to pump tap water) of first order high-pressure heater; extraction temperature desuperheat is arrived to the applicable temperature of common alloyed steel; can effectively reduce the cost of tubing after desuperheater, external steaming cooler and high-pressure heater, for the development of high pressure high temperature turbosets more creates conditions.
For example, for 1 1000MW, 700 ℃ of double reheat supercritical generating units, under conventional thermodynamic system scheme, each extraction steam pipeline and corresponding thermodynamic system equipment (comprising heater, oxygen-eliminating device, steaming cooler etc.) needs adopt the high-grade material of costliness, for example P91 material, P92 nickel-base material even; Yet, adopt the utility model Double reheat steam turbine high temperature steam-extracting cooling system, by drawing gas, desuperheat arrives the applicable temperature of common alloyed steel, the cost of follow-up heater, external steaming cooler and tubing reduces greatly, make the investment of thermodynamic system reduce approximately 5,000 ten thousand than conventional main steam turbine thermodynamic system, the utility model is very little on the impact of thermodynamic cycle up-time efficiency simultaneously, has good technical and economic feasibility.
Below described preferred embodiment of the present utility model in detail, but it will be appreciated that, after having read above-mentioned instruction content of the present utility model, those skilled in the art can make various changes or modifications the utility model.These equivalent form of values fall within the application's appended claims limited range equally.
Claims (10)
1. the high temperature steam-extracting cooling system of a Double reheat steam turbine thermodynamic system, described Double reheat steam turbine thermodynamic system comprises ultra-high pressure cylinder, high-pressure cylinder, intermediate pressure cylinder, low pressure (LP) cylinder, generator, single reheat device, secondary reheater, heater and extraction line, at described high-pressure cylinder, intermediate pressure cylinder is provided with the one or more extraction openings that are connected with described extraction line, during described thermodynamic system operation, the steam discharge of described ultra-high pressure cylinder is directed to described single reheat device and carries out entering described high-pressure cylinder after heat temperature raising, the steam discharge of described high-pressure cylinder is directed to described secondary reheater to carry out entering described intermediate pressure cylinder after heat temperature raising again, the high-temperature steam of drawing from this extraction opening transfers to described heater for heat-setting water and/or feedwater by described extraction line, it is characterized in that,
In described Double reheat steam turbine thermodynamic system, be also provided with cooling system, described cooling system comprises desuperheater, modulating valve and cooling water piping, and described desuperheater is communicated with cooling water source fluid via described cooling water piping, wherein,
Described desuperheater is arranged so that described high temperature draws gas after can and reducing temperature in described desuperheater place and cooling water generation heat exchange and again enters extraction line, and described modulating valve is located on described cooling water piping and for regulating cooling water flow.
2. high temperature steam-extracting cooling system as claimed in claim 1, is characterized in that, described extraction line is provided with high temperature extraction check valve, and described desuperheater is arranged on the extraction line after described high temperature extraction check valve.
3. high temperature steam-extracting cooling system as claimed in claim 1, it is characterized in that, described cooling water piping is connected with the hydrophobic piping of described heater, thereby makes hydrophobic from described heater of cooling water in described cooling water piping, for desuperheat that high temperature is drawn gas.
4. high temperature steam-extracting cooling system as claimed in claim 3, it is characterized in that, lead to the extraction line of the one-level heater in Multi-stage heating device and be connected with the drain water piping of the previous stage heater of described one-level heater in described Multi-stage heating device, thereby utilize, from the hydrophobic of previous stage heater of described one-level heater, high temperature is drawn gas and carries out desuperheat.
5. high temperature steam-extracting cooling system as claimed in claim 3, it is characterized in that, after the hydrophobic Jing Ji road cooling water piping shunting of the one-level heater in Multi-stage heating device, the desuperheater fluid on the extraction line corresponding with rear what heater is communicated with respectively, for desuperheat that corresponding high temperature is drawn gas.
6. high temperature steam-extracting cooling system as claimed in claim 1, it is characterized in that, thereby within described modulating valve reduces to for the temperature that regulates the hydrophobic flow of described cooling water piping that described high temperature is drawn gas the temperature range that extraction line after described desuperheater and heater can bear.
7. high temperature steam-extracting cooling system as claimed in claim 1, it is characterized in that, described cooling water piping is communicated with described desuperheater fluid, make described cooling water enter after described desuperheater heat absorption occur vaporization and with by drawing gas of desuperheat, together entered described heater for heat-setting water and/or feedwater.
8. high temperature steam-extracting cooling system as claimed in claim 1; it is characterized in that; described cooling system also comprises start and stop or critical cooling water piping; when starting or stopping described Double reheat steam turbine thermodynamic system or while occurring that normal cooling water breaks down; the desuperheat that the water supply of described start and stop or critical cooling water piping is drawn gas for described high temperature, within the temperature that described high temperature is drawn gas is reduced to the temperature range that the relevant device after described desuperheater can bear.
9. the high temperature steam-extracting cooling system as described in any one in claim 1-8, it is characterized in that, in described Double reheat steam turbine thermodynamic system, be also provided with blow-off line, from described blow-off line, draw another extraction line, drawing gas in described another extraction line transfers to described heater for heat-setting water and/or feedwater, on described another extraction line, be also provided with desuperheater, what described desuperheater was arranged so that described blow-off line draws takes out and can and reduce temperature in described desuperheater place and cooling water generation heat exchange.
10. the high temperature steam-extracting cooling system as described in any one in claim 1, is characterized in that, the material of the described desuperheater of connection of described heater and described extraction line and the part of described heater is common alloyed steel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420385131.1U CN203978523U (en) | 2014-07-11 | 2014-07-11 | The high temperature steam-extracting cooling system of Double reheat steam turbine thermodynamic system |
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| CN201420385131.1U CN203978523U (en) | 2014-07-11 | 2014-07-11 | The high temperature steam-extracting cooling system of Double reheat steam turbine thermodynamic system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061027A (en) * | 2014-07-11 | 2014-09-24 | 中国电力工程顾问集团华东电力设计院 | High-temperature extracted steam cooling system of double-reheat turbine thermodynamic system |
| CN109779699A (en) * | 2019-02-02 | 2019-05-21 | 华电电力科学研究院有限公司 | A kind of quick start system and its operation method of energy-efficient Turbo-generator Set |
-
2014
- 2014-07-11 CN CN201420385131.1U patent/CN203978523U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061027A (en) * | 2014-07-11 | 2014-09-24 | 中国电力工程顾问集团华东电力设计院 | High-temperature extracted steam cooling system of double-reheat turbine thermodynamic system |
| CN104061027B (en) * | 2014-07-11 | 2016-01-06 | 中国电力工程顾问集团华东电力设计院有限公司 | The high temperature steam-extracting cooling system of Double reheat steam turbine thermodynamic system |
| CN109779699A (en) * | 2019-02-02 | 2019-05-21 | 华电电力科学研究院有限公司 | A kind of quick start system and its operation method of energy-efficient Turbo-generator Set |
| CN109779699B (en) * | 2019-02-02 | 2023-09-05 | 华电电力科学研究院有限公司 | High-efficiency energy-saving quick starting system of steam turbine generator unit and operation method thereof |
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