CN207538877U - A kind of thermoelectricity Combined cycle gas-steam turbine unit APS control systems - Google Patents
A kind of thermoelectricity Combined cycle gas-steam turbine unit APS control systems Download PDFInfo
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- CN207538877U CN207538877U CN201721595451.XU CN201721595451U CN207538877U CN 207538877 U CN207538877 U CN 207538877U CN 201721595451 U CN201721595451 U CN 201721595451U CN 207538877 U CN207538877 U CN 207538877U
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Abstract
The utility model discloses a kind of thermoelectricity Combined cycle gas-steam turbine unit APS control systems, including starting control system and shutdown control system, the startup control system includes coordinated control system, afterheat boiler system, fuel engine power generation machine set system, steam turbine supplementary controlled system, steam turbine power generation machine set system and unit auxiliary system, the afterheat boiler system includes condensed water control module, feed water control module, desuperheating water control module, the Water Level Control of Steam module and unit auxiliary system, the steam turbine power generation machine set system includes excitation system, the unit auxiliary system includes open and close type water system, unit auxiliary system and cooling water system.Realize turbine by pass whole-process automatic control, it realizes the whole-process automatic control of load up process, reduces the requirement of operation, not only realize the sequential control of equipment, also realize that the automatic and CCS systems of system automatically engages, sets setting value automatically, makes unit smooth starting and stopping.
Description
Technical field
The utility model is related to technical field of power systems, specially a kind of thermoelectricity Combined cycle gas-steam turbine unit APS
Control system.
Background technology
After 1870, with the extensive use of electric power, scientific technological advance is advanced by leaps and bounds, various new technologies, new invention
It emerges in an endless stream, and is applied to industrial production rapidly, expanding economy is greatly facilitated.With the continuous hair of economic construction of China
Exhibition and the quickening of urbanization process, electricity are had become as the indispensable part of people's production and living.The main electricity in China at present
Power source is thermal power generation, and the thermal energy generated using coal, oil, natural gas when solids, liquid, gas fuel combustion is passed through
Generation power device is converted into electric energy.With the rapid development of the national economy, electricity consumption continues to increase, fuel gas generation is most stable
One of distributed energy supply mode, outstanding cold, heat and electricity triple supply electricity generation system can be increased to the effective percentage of fuel gas generation
More than 95%.From the point of view of World Developed Countries and some country in Southeast Asia's Experience in Development, development distributed gas electricity generation system is real
Existing energy-saving and emission-reduction and the only way of energy supply sustainable development, have energy saving, emission reduction, improve energy supply safety, electric power with
Numerous advantage such as gas supply peak load shifting and promotion recycling economy development is the irreversible of modern energy field development
Trend.
APS（Automatic plant startup and shutdown control system, are abbreviated as APS）Control
System is that generating set automatically controls that middle one kind is high-level, comprehensive control function, and effect is in unit starting or stopped transport
Cheng Zhong can carry out subscription parameters and process condition is transferred and control automatically according to therrmodynamic system flow and equipment operating condition
System, and control instruction to other function groups is sent out by relevant virtual protection, interlocking, with finally realize generating set from
It is dynamic to start or stop transport, it is commonly called as one-key start.Every equipment controlled into DCS system, system, it is contemplated that design enters APS
Control.During APS Functional Designs, the equipment, the system that are controlled into APS should be able to be controlled by APS, can also be operated by operations staff.
Unit starting process threshold can prepare from unit starting, recirculated water starts to unit on-load input and coordinates control at full capacity；
Compressor emergency shutdown process can be stopped transport, combustion engine stoppage in transit terminates since arbitrary load point to steam turbine.
APS control systems have very important application in thermoelectricity Combined cycle gas-steam turbine unit, before 2003,
There was only import unit APS operations preferably in the country.Domestic unit does not consider APS functions generally.With the major-minor equipment of domestic unit
Reliability is continuously improved, DCS performances are gradually improved, and more and more equipment enter DCS controls, to realize that APS provides technology
Basis.APS is the development trend of thermal power plant automation control.The whole-process automatic control of load up process, be APS difficult point it
One, traditional unit load up process is substantially the lifting that unit load is realized by hand-operated lifting combustion engine load, manually
Requirement of the lifting load to operation is very high, has significant limitation.
Utility model content
The purpose of this utility model is to provide a kind of thermoelectricity Combined cycle gas-steam turbine unit APS control systems, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the utility model provides following technical solution：A kind of thermoelectricity Combined cycle gas-steam turbine machine
Group APS control systems, including starting control system and shutdown control system, the startup control system includes coordinating control system
System, afterheat boiler system, fuel engine power generation machine set system, steam turbine supplementary controlled system, steam turbine power generation machine set system and unit auxiliary
System, the afterheat boiler system include condensed water control module, feedwater control module, desuperheating water control module, steam water-level
Control module and unit auxiliary system, the steam turbine power generation machine set system include excitation system, and the unit auxiliary system includes
Open and close type water system, unit auxiliary system and cooling water system.
Compared with prior art, the beneficial effects of the utility model are：A kind of thermoelectricity combustion and steam joint of the utility model
Cycle Unit APS control systems, structure novel is easy to operate, realizes turbine by pass whole-process automatic control, after combustion engine igniting,
In order to ensure safe operation of the boiler and meet the safe rolling parameter of steam turbine red switch, and punching is kept during steam turbine red switch
Turn pressure stability, turbine bypass system plays the role of very important, and in the state of steam turbine difference, automatically merging is not
The rolling parameter of same safety, to ensure the safe red switch of steam turbine；It realizes load whole-process automatic control, realizes load up process
Whole-process automatic control reduces the requirement of operation, not only realizes the sequential control of equipment, also realizes the automatic and CCS systems of system
Automatically engaging, setting setting value automatically for system, makes unit smooth starting and stopping, having very high practicability, greatly improves
A kind of using for thermoelectricity Combined cycle gas-steam turbine unit APS control systems is functional, ensures its using effect and using effect
Benefit is suitble to be widely popularized.
Description of the drawings
Fig. 1 is a kind of system block diagram of thermoelectricity Combined cycle gas-steam turbine unit APS control systems of the utility model；
Fig. 2 is a kind of startup sequence figure of thermoelectricity Combined cycle gas-steam turbine unit APS control systems of the utility model；
Fig. 3 is a kind of shutdown sequence figure of thermoelectricity Combined cycle gas-steam turbine unit APS control systems of the utility model.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of thermoelectricity Combined cycle gas-steam turbine unit
APS control systems, including starting control system and shutdown control system, the startup control system include coordinated control system,
Afterheat boiler system, fuel engine power generation machine set system, steam turbine supplementary controlled system, steam turbine power generation machine set system and unit auxiliary system
System, the afterheat boiler system include condensed water control module, feedwater control module, desuperheating water control module, steam water-level control
Molding block and unit auxiliary system, the steam turbine power generation machine set system include excitation system, and the unit auxiliary system includes opening
Closed water system, unit auxiliary system and cooling water system.
Operation principle：A kind of thermoelectricity Combined cycle gas-steam turbine unit APS control systems of the utility model, in use,
It before combustion engine igniting, opens in machine set-up procedure, liquid level of steam drum will be maintained at startup liquid level, be needed first to water on drum, until starting
Liquid level, and liquid automatic control is kept, to ensure liquid level of steam drum always in startup liquid level；After combustion engine igniting, drum wall temperature
The heating of combustion engine exhaust can be passed through, and gradually heated up, so as to make liquid level of steam drum can be there are one the process boiled, vapour in order to prevent
The boiling of packet liquid level is too fast, so as to the safety for reaching generator protection value, endangering unit, needs drum emergency blowoff and fixed row rational
Participate in water level regulation, the safety for the unit that do not transfinite, endangers during boiling with guaranteed water level, in unit band certain load
Afterwards, the Water Level Control of Steam can automatically switch to three blunt quantity control by Three-value control, this needs the switching of unperturbed safety, to ensure
The safe operation of unit；Realize turbine by pass whole-process automatic control, combustion engine igniting after, in order to ensure safe operation of the boiler and
Meet the safe rolling parameter of steam turbine red switch, and red switch pressure stability, turbine by-pass system are kept during steam turbine red switch
Uniting, it is very important to play the role of, and in the state of steam turbine difference, the rolling parameter of different safety is automatically placed in, to protect
Demonstrate,prove the safe red switch of steam turbine；It realizes load whole-process automatic control, realizes the whole-process automatic control of load up process, reduce operation
It is required that not only realizing the sequential control of equipment, also realize that the automatic and CCS systems of system automatically engages, sets automatically
Definite value makes unit smooth starting and stopping.
In the utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (1)
1. a kind of thermoelectricity Combined cycle gas-steam turbine unit APS control systems, including starting control system and shutdown control system,
It is characterized in that：The startup control system includes coordinated control system, afterheat boiler system, fuel engine power generation machine set system, vapour
Machine supplementary controlled system, steam turbine power generation machine set system and unit auxiliary system, the afterheat boiler system include condensation water management
Module, feedwater control module, desuperheating water control module, the Water Level Control of Steam module and unit auxiliary system, the steam turbine power generation
Machine set system includes excitation system, and the unit auxiliary system includes open and close type water system, unit auxiliary system and cooling water system
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721595451.XU CN207538877U (en) | 2017-11-25 | 2017-11-25 | A kind of thermoelectricity Combined cycle gas-steam turbine unit APS control systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721595451.XU CN207538877U (en) | 2017-11-25 | 2017-11-25 | A kind of thermoelectricity Combined cycle gas-steam turbine unit APS control systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207538877U true CN207538877U (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721595451.XU Expired - Fee Related CN207538877U (en) | 2017-11-25 | 2017-11-25 | A kind of thermoelectricity Combined cycle gas-steam turbine unit APS control systems |
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| CN (1) | CN207538877U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108536110A (en) * | 2018-06-30 | 2018-09-14 | 神华国华广投（柳州）发电有限责任公司 | A kind of single-row unit of subsidiary engine from start-stop control system |
| CN109149765A (en) * | 2018-08-23 | 2019-01-04 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of unattended method of distributed busbar protection |
| CN110593974A (en) * | 2019-10-31 | 2019-12-20 | 大唐郓城发电有限公司 | Automatic start-stop control system of unit |
| CN110593962A (en) * | 2019-09-26 | 2019-12-20 | 无锡利信能源科技有限公司 | Automatic load-increasing control method for supercritical steam turbine generator set after grid connection |
| CN113205664A (en) * | 2021-05-08 | 2021-08-03 | 杭州华电半山发电有限公司 | Detection and alarm method based on 9FA gas-steam combined cycle unit |
| CN114076006A (en) * | 2021-11-09 | 2022-02-22 | 国电投周口燃气热电有限公司 | Generating set intelligence opens and stops system based on APS controller |
-
2017
- 2017-11-25 CN CN201721595451.XU patent/CN207538877U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108536110A (en) * | 2018-06-30 | 2018-09-14 | 神华国华广投（柳州）发电有限责任公司 | A kind of single-row unit of subsidiary engine from start-stop control system |
| CN108536110B (en) * | 2018-06-30 | 2024-02-20 | 国能广投柳州发电有限公司 | Automatic start-stop control system of auxiliary unit single-row unit |
| CN109149765A (en) * | 2018-08-23 | 2019-01-04 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of unattended method of distributed busbar protection |
| CN110593962A (en) * | 2019-09-26 | 2019-12-20 | 无锡利信能源科技有限公司 | Automatic load-increasing control method for supercritical steam turbine generator set after grid connection |
| CN110593974A (en) * | 2019-10-31 | 2019-12-20 | 大唐郓城发电有限公司 | Automatic start-stop control system of unit |
| CN110593974B (en) * | 2019-10-31 | 2022-05-27 | 大唐郓城发电有限公司 | Automatic start-stop control system of unit |
| CN113205664A (en) * | 2021-05-08 | 2021-08-03 | 杭州华电半山发电有限公司 | Detection and alarm method based on 9FA gas-steam combined cycle unit |
| CN113205664B (en) * | 2021-05-08 | 2022-09-16 | 杭州华电半山发电有限公司 | Detection and alarm method based on 9FA gas-steam combined cycle unit |
| CN114076006A (en) * | 2021-11-09 | 2022-02-22 | 国电投周口燃气热电有限公司 | Generating set intelligence opens and stops system based on APS controller |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 Termination date: 20211125 |