CN113834057A - Wide-load self-adaptive optimization system for unit condensed water - Google Patents
Wide-load self-adaptive optimization system for unit condensed water Download PDFInfo
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- CN113834057A CN113834057A CN202111296527.XA CN202111296527A CN113834057A CN 113834057 A CN113834057 A CN 113834057A CN 202111296527 A CN202111296527 A CN 202111296527A CN 113834057 A CN113834057 A CN 113834057A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 166
- 238000005457 optimization Methods 0.000 title claims abstract description 21
- 230000005494 condensation Effects 0.000 claims abstract description 13
- 238000009833 condensation Methods 0.000 claims abstract description 13
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 230000001276 controlling effect Effects 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 9
- 230000003044 adaptive effect Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 10
- 238000010248 power generation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
- F22B37/46—Applications, arrangements, or dispositions of alarm or automatic safety devices responsive to low or high water level, e.g. for checking, suppressing, extinguishing combustion in boilers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Water Supply & Treatment (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of load optimization of a generator set and discloses a wide-load self-adaptive optimization system for condensed water of the generator set, which comprises a deaerator water gate control module, a deaerator water level control module and a condensed water outlet pressure control module, wherein the deaerator water gate control module is used for controlling the opening and closing of a deaerator water gate, the deaerator water level control module is used for controlling the water level height of a deaerator, and the condensed water outlet pressure control module is used for controlling and adjusting the pressure of a water outlet of a condensed water pump and automatically switching a condensed water pipeline. The water condensation wide-load self-adaptive optimization system can optimize the operation of the condensate pump, and effectively reduces the power consumption rate of the condensate pump.
Description
Technical Field
The invention relates to the technical field of load optimization of a generator set, in particular to a wide-load self-adaptive optimization system for condensed water of the generator set.
Background
The discovery and application of power generation, which is an energy source using electric energy as power, has raised the second industrialized climax, and has become one of three scientific and technological revolution which occurs in the world since 18 th century of human history, and from this science and technology, people's life has changed, and the large-scale power system appearing in 20 th century is one of the most important achievements in the science history of human engineering, and is a power generation and consumption system composed of links such as power generation, transmission, transformation, power distribution, and power consumption, and the like, which converts the primary energy in the nature into electric power through a mechanical energy device, and supplies the electric power to each user through transmission, transformation, and power distribution, and the like. It is undeniable that the continuous emergence of new technologies makes electric power a necessity for people.
At present, the unit condensate system is when the operation because can't take reasonable mode intelligent selection condensate pump's operational mode, leads to the unable self-adaptation of condensate pump to adjust, can't optimize the outlet pressure of condensate pump simultaneously, causes the backing pump to ally oneself with to open easily to condensate pump's power consumption rate has been improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a unit condensed water wide-load self-adaptive optimization system which can optimize the operation of a condensed water pump, can combine the actual characteristics of a water feeding throttle of a deaerator, adopts a reasonable mode to intelligently select the operation mode of the condensed water pump, and effectively reduces the power consumption rate of the condensed water pump.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a wide load self-adaptation optimization system of unit condensate water, includes oxygen-eliminating device water transfer module, oxygen-eliminating device water level control module and condensate water export pressure control module, oxygen-eliminating device water transfer module is used for controlling opening and shutting of oxygen-eliminating device water gate, oxygen-eliminating device water level control module is used for controlling the oxygen-eliminating device water level height, condensate water export pressure control module is used for controlling the pressure of condensate pump delivery port and adjusts and the automatic switch-over to condensate pipe.
Preferably, the oxygen-eliminating device water door-adjusting module is used for adjusting opening and closing of the water door of the oxygen-eliminating device, then the flow data of the water flowing through the oxygen-eliminating device is uploaded to the oxygen-eliminating device water level control module, the oxygen-eliminating device water level control module carries out statistical arrangement on the uploaded data, the oxygen-eliminating device is closed when the water level of the condensed water is lower, the collected data are provided for the condensed water outlet pressure control module by the oxygen-eliminating device water level control module, the condensed water outlet pressure control module carries out statistical integration on the uploaded data, and the outlet size of the condensed water pump is adjusted according to the opening and closing state and the opening and closing size of the oxygen-eliminating device water door.
Preferably, the deaerator water throttle module comprises a combined variable frequency control unit.
Preferably, the combined variable frequency control unit comprises a start-stop adjusting unit, a wide-load condensate pump variable frequency adjusting unit, an integral saturation resistant loop unit and a condensate pressure variable structure control unit,
the wide load condensate pump frequency conversion regulating unit specifically comprises: the operation mode of the condensate pump is intelligently selected in a reasonable mode, the self-adaptive adjustment of the condensate pump is intelligently realized, and the power consumption rate of the condensate pump is reduced;
the anti-integral saturation loop unit ensures the adjustment quality of the whole loop;
the condensation water pressure variable structure control unit specifically comprises: and carrying out online detection on the condensate water pressure of the unit when the condensate water pressure changes, and carrying out online control on the size of a water outlet of the condensate pump when the condensate water pressure changes.
Preferably, the start-stop adjusting unit comprises a common pump unit and a standby pump unit; the start-stop adjusting unit specifically comprises: the normal pump works in a normal working state, so that the starting of the standby pump caused by misoperation is avoided, when the normal pump breaks down, the start-stop adjusting unit closes the normal pump, starts the standby pump, and ensures the normal operation of the unit;
preferably, the deaerator water level control module and the condensed water outlet pressure control module jointly comprise a water level monitoring unit, a main regulating valve bypass door unit and an auxiliary regulating valve bypass door unit;
the water level monitoring unit specifically comprises: the sensor carries out real-time online monitoring on the water level height;
the main adjusting valve bypass door unit specifically comprises: the main regulating valve of the water outlet of the condensate pump regulates the size of the main water outlet;
the auxiliary adjusting valve bypass door unit specifically comprises: the auxiliary regulating valve of the water outlet of the condensate pump regulates the size of the auxiliary water outlet.
Preferably, the sub-regulator bypass gate unit includes a stop adjusting unit.
Preferably, the system further comprises a cloud end, and data generated in the working process of the deaerator water throttle module, the deaerator water level control module and the condensed water outlet pressure control module are uploaded to the cloud end in real time.
Compared with the prior art, the invention provides a wide-load self-adaptive optimization system for condensed water of a unit, which has the following beneficial effects:
this wide load self-adaptation of condensation optimizes system through taking reasonable mode intelligent selection condensate pump's operational mode, makes condensate pump self-adaptation adjust, optimizes the outlet pressure of condensate pump simultaneously, avoids the stand-by pump to ally oneself with and opens to condensate pump's power consumption rate has been reduced.
Drawings
Fig. 1 is a schematic structural diagram of a wide-load adaptive optimization system for condensed water of a unit provided by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a wide-load self-adaptive optimization system for condensed water of a unit comprises a deaerator water throttle module, a deaerator water level control module and a condensed water outlet pressure control module, wherein the deaerator water throttle module is used for controlling opening and closing of a deaerator water gate, the deaerator water level control module is used for controlling the height of the deaerator water level, and the condensed water outlet pressure control module is used for controlling and adjusting the pressure of a water outlet of a condensed water pump and automatically switching a condensed water pipeline;
the deaerator water throttle module is used for adjusting opening and closing of a water gate of the deaerator, flow data of water flowing through the deaerator are uploaded to the deaerator water level control module, the deaerator water level control module performs statistical sorting on the uploaded data, the deaerator is closed when the water level of condensed water is low, the deaerator water level control module provides collected data for the condensed water outlet pressure control module, the condensed water outlet pressure control module performs statistical integration on the uploaded data, and the outlet size of the condensed water pump is adjusted according to the opening and closing state and the opening and closing size of the deaerator water gate.
The deaerator water throttle module comprises a combined variable frequency control unit, the combined variable frequency control unit comprises a start-stop adjusting unit, a wide-load condensate pump variable frequency adjusting unit, an integral saturation resistant loop unit and a condensate water pressure variable structure control unit, and the start-stop adjusting unit comprises a common pump unit and a standby pump unit;
open and stop the adjustment unit, it specifically is: the normal pump works in a normal working state, so that the starting of the standby pump caused by misoperation is avoided, when the normal pump breaks down, the start-stop adjusting unit closes the normal pump, starts the standby pump, and ensures the normal operation of the unit;
wide load condensate pump frequency conversion regulating unit, it specifically is: the operation mode of the condensate pump is intelligently selected in a reasonable mode, the self-adaptive adjustment of the condensate pump is intelligently realized, and the power consumption rate of the condensate pump is reduced;
the condensation water pressure variable structure control unit specifically comprises: and carrying out online detection on the condensate water pressure of the unit when the condensate water pressure changes, and carrying out online control on the size of a water outlet of the condensate pump when the condensate water pressure changes.
The deaerator water level control module and the condensed water outlet pressure control module jointly comprise a water level monitoring unit, a main regulating valve bypass door unit and an auxiliary regulating valve bypass door unit;
water level monitoring unit, it specifically is: the sensor carries out real-time online monitoring on the water level height;
the main governing valve bypass gate unit specifically is: the main regulating valve of the water outlet of the condensate pump regulates the size of the main water outlet;
vice accent valve bypass door unit, it specifically is: the auxiliary regulating valve of the water outlet of the condensate pump regulates the size of the auxiliary water outlet.
And the anti-integral saturation loop unit ensures the adjustment quality of the whole loop.
The secondary trim valve bypass gate unit includes a mid-stop trim unit.
The system further comprises a cloud end, and data generated in the working process of the deaerator water throttle module, the deaerator water level control module and the condensed water outlet pressure control module are uploaded to the cloud end in real time.
In conclusion, the condensation water wide-load self-adaptive optimization system is characterized in that a deaerator water throttle module is used for adjusting the opening and closing of a deaerator water gate, then flow data of water flowing through the deaerator is uploaded to a deaerator water level control module, the deaerator water level control module carries out statistical sorting on the uploaded data, the deaerator is closed when the water level of condensation water is low, the deaerator water level control module provides the collected data to a condensation water outlet pressure control module, the condensation water outlet pressure control module carries out integral statistics on the uploaded data, the outlet size of a condensation water pump is adjusted according to the opening and closing state and the opening and closing size of the deaerator water gate, the operation mode of the condensation water pump is intelligently selected in a reasonable mode, the condensation water pump is adjusted in a self-adaptive mode, meanwhile, the outlet pressure of the condensation water pump is optimized, and the backup pump is prevented from being started in a combined mode, thereby reducing the power consumption rate of the condensate pump, optimizing the operation of the condensate pump according to the unit wide-load cruising requirement, combining the actual characteristics of the water feeding throttle of the deaerator, formulating the frequency conversion regulation of the wide-load condensate pump and the depth integration of the water feeding throttle of the deaerator, intelligently selecting the operation mode of the condensate pump in a reasonable mode, intelligently realizing the self-adaptive regulation of the wide-load condensate pump, simultaneously optimizing the outlet pressure of the condensate pump, meeting the requirement of the sealing water pressure of the water feeding pump, preventing the backup pump from being started in a combined mode, reducing the power consumption rate of the condensate pump, aiming at the water level control loop and the condensate outlet pressure control loop of the deaerator, designing a main and auxiliary valves and a condensate pump frequency conversion control system which can be automatically switched under various working conditions by the combined control of the main and auxiliary throttle of the water feeding of the deaerator and the frequency conversion device of the condensate pump, and designing a complete anti-integral saturation loop, therefore, the adjusting quality of the control loop is effectively guaranteed, in addition, the characteristic of good flow linearity of the variable frequency pump and the requirements of safety and energy conservation of an actual process system are fully utilized, a variable structure control loop for tracking the complete water level and the condensate water pressure is designed, the whole-process undisturbed automatic control of the condensate system pressure and the deaerator water level is realized, and the automatic switching of a condensate pipeline can be realized when the load changes.
It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a wide load self-adaptation optimization system of unit condensate water, its characterized in that, includes oxygen-eliminating device water transfer module, oxygen-eliminating device water level control module and condensate water export pressure control module, oxygen-eliminating device water transfer module is used for controlling opening and shutting of oxygen-eliminating device water gate, oxygen-eliminating device water level control module is used for controlling the oxygen-eliminating device water level height, condensate water export pressure control module is used for controlling the pressure of condensate pump delivery port and adjusts and the automatic switch-over to condensate pipe.
2. The unit condensed water wide-load self-adaptive optimization system according to claim 1, wherein the deaerator water throttle module is used for adjusting opening and closing of a water gate of a deaerator, then, flow data of water flowing through the deaerator are uploaded to the deaerator water level control module, the deaerator water level control module conducts statistical sorting on the uploaded data, the deaerator is closed when the water level of condensed water is low, the deaerator water level control module provides the collected data to the condensed water outlet pressure control module, the condensed water outlet pressure control module conducts statistical integration on the uploaded data, and the outlet size of the condensed water pump is adjusted according to the opening and closing state and the opening and closing size of the water gate of the deaerator.
3. The wide-load adaptive optimization system for the unit condensed water according to claim 1 or 2, wherein the deaerator water throttle module comprises a joint variable frequency control unit.
4. The unit condensed water wide-load adaptive optimization system of claim 3, wherein the combined variable frequency control unit comprises a start-stop adjusting unit, a wide-load condensed water pump variable frequency adjusting unit, an anti-integral saturation loop unit and a condensed water pressure variable structure control unit,
the wide load condensate pump frequency conversion regulating unit specifically comprises: the operation mode of the condensate pump is intelligently selected in a reasonable mode, the self-adaptive adjustment of the condensate pump is intelligently realized, and the power consumption rate of the condensate pump is reduced;
the anti-integral saturation loop unit ensures the adjustment quality of the whole loop;
the condensation water pressure variable structure control unit specifically comprises: and carrying out online detection on the condensate water pressure of the unit when the condensate water pressure changes, and carrying out online control on the size of a water outlet of the condensate pump when the condensate water pressure changes.
5. The wide-load adaptive optimization system for the condensate water of the unit according to claim 4, wherein the start-stop adjusting unit comprises a common pump unit and a standby pump unit; the start-stop adjusting unit specifically comprises: normal operating condition pump commonly used works, avoids the maloperation to cause the stand-by pump to start, when the pump commonly used breaks down, opens and stops the adjustment unit and close the pump commonly used, starts the stand-by pump, the normal operating of guarantee unit.
6. The unit condensed water wide-load adaptive optimization system according to claim 1, wherein the deaerator water level control module and the condensed water outlet pressure control module together comprise a water level monitoring unit, a main regulating valve bypass door unit and a sub regulating valve bypass door unit;
the water level monitoring unit specifically comprises: the sensor carries out real-time online monitoring on the water level height;
the main adjusting valve bypass door unit specifically comprises: the main regulating valve of the water outlet of the condensate pump regulates the size of the main water outlet;
the auxiliary adjusting valve bypass door unit specifically comprises: the auxiliary regulating valve of the water outlet of the condensate pump regulates the size of the auxiliary water outlet.
7. The wide-load adaptive optimization system for condensate water in a unit of claim 6, wherein the bypass gate unit of the secondary regulating valve comprises a stop adjusting unit.
8. The wide-load adaptive optimization system for the unit condensed water according to claim 1, further comprising a cloud end, wherein data generated in the operation of the deaerator water throttle module, the deaerator water level control module and the condensed water outlet pressure control module are uploaded to the cloud end in real time.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111296527.XA CN113834057A (en) | 2021-11-03 | 2021-11-03 | Wide-load self-adaptive optimization system for unit condensed water |
| PCT/CN2022/129340 WO2023078311A1 (en) | 2021-11-03 | 2022-11-02 | Unit condensed water broad-load adaptive optimization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111296527.XA CN113834057A (en) | 2021-11-03 | 2021-11-03 | Wide-load self-adaptive optimization system for unit condensed water |
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| CN113834057A true CN113834057A (en) | 2021-12-24 |
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| CN202111296527.XA Pending CN113834057A (en) | 2021-11-03 | 2021-11-03 | Wide-load self-adaptive optimization system for unit condensed water |
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| Country | Link |
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| CN (1) | CN113834057A (en) |
| WO (1) | WO2023078311A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023078311A1 (en) * | 2021-11-03 | 2023-05-11 | 西安热工研究院有限公司 | Unit condensed water broad-load adaptive optimization system |
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| CN203404771U (en) * | 2013-07-12 | 2014-01-22 | 华北电力科学研究院(西安)有限公司 | Frequency converter and adjusting valve control system of condensate water system |
| CN107905852A (en) * | 2017-11-02 | 2018-04-13 | 国网安徽省电力公司电力科学研究院 | A kind of method of the wide load condensate throttling frequency modulation of fired power generating unit |
| CN110925732A (en) * | 2018-09-20 | 2020-03-27 | 中电行唐生物质能热电有限公司 | Agriculture and forestry biomass water-cooling vibration grate boiler combined heat and power generation unit small-capacity hot well and deaerator water level combined control strategy and device |
| CN113432108A (en) * | 2021-06-29 | 2021-09-24 | 华能国际电力股份有限公司上安电厂 | Water level control optimization method for deaerator under deep peak shaving of thermal power plant unit |
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| JP2619066B2 (en) * | 1989-08-17 | 1997-06-11 | 株式会社東芝 | Deaerator water level control device |
| JP2878915B2 (en) * | 1992-10-27 | 1999-04-05 | 株式会社日立製作所 | Power plant |
| CN203573174U (en) * | 2013-11-04 | 2014-04-30 | 大唐华银电力股份有限公司金竹山火力发电分公司 | Deoxygenator water level automatic control system |
| CN204922941U (en) * | 2015-09-09 | 2015-12-30 | 天津大唐国际盘山发电有限责任公司 | Water system on thermal power factory oxygen -eliminating device |
| JP7164478B2 (en) * | 2019-03-28 | 2022-11-01 | 三菱重工業株式会社 | Power plant and power plant output increase control method |
| CN112361324B (en) * | 2020-11-16 | 2022-06-14 | 华能莱芜发电有限公司 | Energy-saving and consumption-reducing method for condensate pump of double reheating unit |
| CN113834057A (en) * | 2021-11-03 | 2021-12-24 | 西安热工研究院有限公司 | Wide-load self-adaptive optimization system for unit condensed water |
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2021
- 2021-11-03 CN CN202111296527.XA patent/CN113834057A/en active Pending
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2022
- 2022-11-02 WO PCT/CN2022/129340 patent/WO2023078311A1/en unknown
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203404771U (en) * | 2013-07-12 | 2014-01-22 | 华北电力科学研究院(西安)有限公司 | Frequency converter and adjusting valve control system of condensate water system |
| CN107905852A (en) * | 2017-11-02 | 2018-04-13 | 国网安徽省电力公司电力科学研究院 | A kind of method of the wide load condensate throttling frequency modulation of fired power generating unit |
| CN110925732A (en) * | 2018-09-20 | 2020-03-27 | 中电行唐生物质能热电有限公司 | Agriculture and forestry biomass water-cooling vibration grate boiler combined heat and power generation unit small-capacity hot well and deaerator water level combined control strategy and device |
| CN113432108A (en) * | 2021-06-29 | 2021-09-24 | 华能国际电力股份有限公司上安电厂 | Water level control optimization method for deaerator under deep peak shaving of thermal power plant unit |
| CN113483319A (en) * | 2021-07-08 | 2021-10-08 | 西安热工研究院有限公司 | Variable-frequency energy-saving optimization control system and method for condensate pump of thermal power generating unit |
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| WO2023078311A1 (en) * | 2021-11-03 | 2023-05-11 | 西安热工研究院有限公司 | Unit condensed water broad-load adaptive optimization system |
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| WO2023078311A1 (en) | 2023-05-11 |
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Application publication date: 20211224 |
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