CN114876591B - Auxiliary system and method for steam turbine warm-up - Google Patents
Auxiliary system and method for steam turbine warm-up Download PDFInfo
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- CN114876591B CN114876591B CN202210696015.0A CN202210696015A CN114876591B CN 114876591 B CN114876591 B CN 114876591B CN 202210696015 A CN202210696015 A CN 202210696015A CN 114876591 B CN114876591 B CN 114876591B
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000002184 metal Substances 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000010411 postconditioning Effects 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims 2
- 238000010977 unit operation Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
- F01D19/02—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith dependent on temperature of component parts, e.g. of turbine-casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/31—Application in turbines in steam turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/303—Temperature
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
Abstract
The invention provides a steam turbine warming-up auxiliary system and a steam turbine warming-up auxiliary method, and belongs to the technical field of steam turbines. The auxiliary system of the present invention comprises: the device comprises an acquisition unit, an analysis unit and a display unit; the acquisition unit is used for acquiring parameters of each part when the steam turbine performs warm-up operation; the analysis unit is used for analyzing each parameter to obtain the execution progress of the warming-up operation; the display unit is used for displaying the execution progress of the warming-up operation. According to the invention, the display unit is used for displaying all parameters of the steam turbine warm-up operation and the execution progress thereof, so that an operator can browse all necessary related parameters of the warm-up operation in one picture, know the warm-up progress of the related parameters, intuitively see whether the warm-up operation is finished, reduce the complexity of the steam turbine warm-up operation and increase the economy of unit operation.
Description
Technical Field
The invention belongs to the technical field of steam turbines, and particularly relates to a steam turbine warming-up auxiliary system and method.
Background
The steam turbine needs to be warmed up in the process of starting the power plant steam turbine to ensure that parameters and stress of the steam turbine meet design requirements in the process of starting the power plant steam turbine, so that the steam turbine is safe and stable to operate. At present, operators need to frequently patrol the parameter display pictures of each system in the warming process, record and analyze each parameter, so that the working difficulty and strength of operators are increased, and in the judging process, different judging results can be generated for the judgment of different operators mainly depending on the running experience of the operators, so that the safety and economy of a unit can be reduced.
In view of the above technical problems, the present invention provides a system and a method for assisting steam turbine warmup, so as to display the execution progress of the steam turbine warmup operation and provide a warning signal for the warmup end.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art and provides a turbine warming-up auxiliary system and a turbine warming-up auxiliary method.
In one aspect of the present invention, there is provided a steam turbine warmup assisting system including: the device comprises an acquisition unit, an analysis unit and a display unit; wherein,
the acquisition unit is used for acquiring parameters of each part when the steam turbine performs warm-up operation;
the analysis unit is used for analyzing each parameter to obtain the execution progress of the warming-up operation;
the display unit is used for displaying the execution progress of the warming-up operation.
Optionally, the parameter includes at least one of a bearing temperature, a cylinder expansion, a differential expansion, a high pressure cylinder metal upper temperature, a high pressure cylinder metal lower temperature, a post-conditioning stage metal temperature, a post-conditioning stage steam temperature, and an axial displacement of the steam turbine.
Optionally, the execution progress of the warmup operation includes a total execution progress and a plurality of sub-execution progress; wherein,
the total execution progress is the total progress of the warm-up operation of the steam turbine;
the sub-execution schedule represents the running schedule of each component.
Optionally, the sum of the plurality of sub-execution schedules is equal to the total execution schedule.
Optionally, the display unit is provided with a plurality of progress bars for presenting the running progress of each component of the steam turbine.
Optionally, the display unit is further provided with a total execution progress prompt module, which is configured to display a prompt signal to indicate that the warm-up is finished when the execution progress of the plurality of sub-modules is completed.
Optionally, the total execution progress prompt module adopts a popup module.
Optionally, the display unit is further provided with a plurality of indicator lamps corresponding to the plurality of progress bars;
and the indicator lamp is used for displaying a prompt signal to represent the completion of the sub-execution progress of each component.
Optionally, the display unit is further provided with a warning lamp, the warning lamp corresponds to the bearing temperature parameter, and the warning lamp is used for displaying a prompt signal to represent that the bearing temperature exceeds a preset value.
In another aspect of the present invention, a method for assisting warm-up of a steam turbine is provided, comprising the steps of:
parameters of all parts of the steam turbine are obtained when the steam turbine is in warm-up operation;
obtaining the execution progress of the warming-up operation according to the parameters;
and displaying the execution progress.
The invention provides a steam turbine warm-up auxiliary system and a method, comprising the following steps: the device comprises an acquisition unit, an analysis unit and a display unit; the acquisition unit is used for acquiring parameters of each part when the steam turbine performs warm-up operation; the analysis unit is used for analyzing each parameter to obtain the execution progress of the warming-up operation; the display unit is used for displaying the execution progress of the warming-up operation. According to the invention, the display unit is used for displaying all parameters of the steam turbine warm-up operation and the execution progress thereof, so that an operator can browse all necessary related parameters of the warm-up operation in one picture, know the warm-up progress of the related parameters, intuitively see whether the warm-up operation is finished, reduce the complexity of the steam turbine warm-up operation and increase the economy of unit operation.
Drawings
FIG. 1 is a schematic diagram of a turbine warm-up assist system according to an embodiment of the present invention;
FIG. 2 is a display interface of a display unit of a turbine warm-up assist system according to another embodiment of the present invention;
FIG. 3 is a block flow diagram of a turbine warm-up assist method according to another embodiment of the present invention.
Detailed Description
The present invention will be described in further detail below with reference to the drawings and detailed description for the purpose of better understanding of the technical solution of the present invention to those skilled in the art. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention belong to the protection scope of the present invention.
Unless specifically stated otherwise, technical or scientific terms used herein should be defined in the general sense as understood by one of ordinary skill in the art to which this invention belongs. The use of "including" or "comprising" and the like in the present invention is not intended to limit the shape, number, step, action, operation, component, original and/or group thereof referred to, nor exclude the presence or addition of one or more other different shapes, numbers, steps, actions, operations, components, original and/or group thereof. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or order of the indicated features.
As shown in fig. 1, in one aspect of the present invention, there is provided a steam turbine warmup assisting system 100 including: an acquisition unit 110, an analysis unit 120, a display unit 130; wherein, the obtaining unit 110 is used for obtaining parameters of each component when the steam turbine performs the warm-up operation; an analysis unit 120, configured to analyze each of the parameters to obtain an execution progress of the warmup operation; and a display unit 130 for displaying the execution progress of the warming-up operation. That is, by acquiring each parameter at the time of the warm-up operation, the parameter and the execution progress thereof can be displayed on the display unit for the operator to perform the operation.
According to the embodiment, the display unit displays all parameters of the steam turbine warm-up operation and the execution progress thereof, so that an operator browses all necessary related parameters of warm-up in one picture, knows the warm-up progress of the related parameters, can intuitively see whether the warm-up is finished, reduces the complexity of the steam turbine warm-up operation, and increases the economy of unit operation.
Referring to fig. 2 together, parameters of the present embodiment include at least one of bearing temperature, cylinder expansion, differential expansion, upper metal temperature of the high pressure cylinder, lower metal temperature of the high pressure cylinder, metal temperature after the adjusting stage, steam temperature after the adjusting stage, and axial displacement of the steam turbine.
It should be noted that, in this embodiment, each parameter and a specific execution progress of each parameter are displayed on the display unit.
It should be noted that, the execution schedule of the warm-up operation of the present embodiment includes a total execution schedule and a plurality of sub-execution schedules; the total execution progress is the total progress of the warm-up operation of the steam turbine; the sub-execution progress represents the running progress of each component. That is, the execution progress of each component may be obtained according to each parameter, or the total progress of the steam turbine warming-up operation may be obtained according to the execution progress of each component, which may be displayed on the display unit.
It should be understood that the sum of the execution schedules of the plurality of sub-execution schedules is equal to the total execution schedule, that is, the execution schedules of all the components are completed, and the warm-up operation ends.
It should be noted that, in this embodiment, the execution progress display mode of each component is not limited in particular, and numerical display may be adopted, or progress bar display may be adopted, or of course, display may be adopted in other manners.
In some preferred embodiments, the progress bars are used to represent the execution progress, and the display unit is provided with a plurality of progress bars for presenting the operation progress of each component of the steam turbine, that is, each progress bar corresponds to a parameter.
It should be understood that each full frame of the progress bar should be 100%, the lowest limit value of the progress bar is represented by the lowest value of the meter, the highest limit value is represented by the value of the balance state of each parameter at the time of the first-time warm-up, the length of the progress bar is corresponding to the maximum value of each parameter, the display length of the progress bar is continuously updated according to the acquired parameter, and when the full frame of the progress bar is full, the execution progress of the component corresponding to each parameter is represented.
Further, in some preferred embodiments, in order to facilitate prompting the operator, the display unit is further provided with a plurality of indicator lights corresponding to the plurality of progress bars, where the indicator lights are used for displaying a prompting signal to indicate that the execution progress is completed.
In this embodiment, the indicator light is not particularly limited, and may be a green indicator light or an indicator light of another color.
For example, as shown in fig. 2, when the component execution progress bar corresponding to each parameter is full, the indicator light turns green to prompt the operator that the component warmup operation is completed.
Still further, as shown in fig. 2, in other preferred embodiments, a warning light is further provided on the display unit, where the warning light corresponds to the bearing temperature parameter, and the warning light is used to display a warning signal to indicate that the bearing temperature exceeds a preset value.
It should be noted that, the warning light is not limited in this embodiment, and may be a red warning light or a warning light with other colors.
Illustratively, the warning light turns red when the bearing temperature exceeds the limit to alert the operator.
It should be further noted that, the warning lamp of this embodiment may be integrally formed with the indicator lamp corresponding to the bearing temperature, and may emit signal lamps with different colors under different conditions.
Still further, in other preferred embodiments, the display unit is further provided with a total execution progress prompt module, configured to display a prompt signal to indicate that the warm-up is finished when the execution progress of the plurality of sub-executions is completed.
It should be noted that, in this embodiment, the total execution progress prompt module is not limited specifically, and a popup module may be adopted, or may be another module such as an indicator light.
For example, when the indicator lights corresponding to all the parameters turn green, a "warm-up end" prompt is popped up, prompting the operator to perform the next operation.
It should be understood that the system of this embodiment should further include a control unit, through internal setting logic, to control the progress of the progress bar update in the display unit through the acquired parameters, and to control each indicator light to turn green when the progress bar is full, and also to control the warning light to turn red when the bearing temperature is overrun, and also to control the total execution progress prompt module to pop up the "warm-up end" prompt when all the indicator lights are turned green.
It should be noted that, the auxiliary system of this embodiment is applicable to other power plant steam turbines as well, and can be popularized and used in other power plants.
The auxiliary system is equivalent to a display and prompt system of a steam turbine warm-up operation process, the steam turbine warm-up auxiliary system of the embodiment is added in the digital control system of the power plant, a steam turbine overview chart is added in a display interface, relevant parameters are added, a progress bar and an indicator lamp are configured for each parameter, a prompt effect is achieved through the indicator lamp, uncertainty of artificial judgment is avoided, and economy of unit operation is improved.
As shown in fig. 3, in another aspect of the present invention, a steam turbine warmup assisting method S200 is provided, which specifically includes steps S210 to S230:
s210, acquiring parameters of each part when the steam turbine is in a warm-up operation.
Referring to fig. 2 together, parameters of the present embodiment include at least one of bearing temperature, cylinder expansion, differential expansion, upper metal temperature of the high pressure cylinder, lower metal temperature of the high pressure cylinder, metal temperature after the adjusting stage, steam temperature after the adjusting stage, and axial displacement of the steam turbine.
S220, obtaining the execution progress of the warming-up operation according to the parameters.
It should be noted that, the execution schedule of the warm-up operation of the present embodiment includes a total execution schedule and a plurality of sub-execution schedules; the total execution progress is the total progress of the warm-up operation of the steam turbine; the sub-execution progress represents the running progress of each component. That is, the execution progress of each component may be obtained from each parameter, and the total progress of the steam turbine warm-up operation may be obtained from the execution progress of each component.
It should be understood that the sum of the execution schedules of the plurality of sub-execution schedules is equal to the total execution schedule, that is, the execution schedules of all the components are completed, and the warm-up operation ends.
S230, displaying the execution progress.
The execution progress display mode of each component is not particularly limited in this embodiment, and numerical display may be adopted, or progress bar display may be adopted, or of course, display may be adopted in other modes.
In some preferred embodiments, the progress bars are used to represent execution progress, and a plurality of progress bars are provided to present operation progress of each component of the steam turbine, i.e. each progress bar corresponds to a parameter.
Further, in some preferred embodiments, to facilitate prompting an operator, by providing a plurality of indicator lights corresponding to the plurality of progress bars, the indicator lights are used to display a prompting signal to characterize completion of the sub-execution progress of each component.
Still further, in other preferred embodiments, the warning light is configured to display a warning signal corresponding to the bearing temperature parameter to indicate that the bearing temperature exceeds a predetermined value.
Still further, in other preferred embodiments, the total execution progress prompt module is configured to display a prompt signal to indicate that the warm-up is finished when the execution progress of the plurality of sub-execution progress is completed.
It should be noted that, in this embodiment, the total execution progress prompt module is not limited specifically, and a popup module may be adopted, or may be another module such as an indicator light.
For example, when the indicator lights corresponding to all the parameters turn green, a "warm-up end" prompt is popped up, prompting the operator to perform the next operation.
The invention provides a steam turbine warm-up auxiliary system and a steam turbine warm-up auxiliary method, which have the following beneficial effects:
first, the system of the invention performs summary analysis on the warm-up parameters, and displays each parameter of the warm-up operation of the steam turbine and the execution progress thereof through the display unit, so that an operator browses all necessary related parameters of warm-up in one picture, and knows the warm-up progress of the related parameters.
Secondly, after the warm-up of each parameter is finished, the color change of the indicator lights reminds operators of finishing the warm-up, so that uncertainty of artificial judgment is avoided, complexity of warm-up operation of the steam turbine is reduced, and economy of unit operation is improved.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present invention, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the invention, and are also considered to be within the scope of the invention.
Claims (7)
1. A steam turbine warmup assist system, comprising: the device comprises an acquisition unit, an analysis unit and a display unit; wherein,
the acquisition unit is used for acquiring parameters of each part when the steam turbine performs warm-up operation;
the analysis unit is used for analyzing each parameter to obtain the execution progress of the warming-up operation;
the display unit is used for displaying the execution progress of the warming-up operation; the execution progress of the warming-up operation comprises a total execution progress and a plurality of sub-execution progress;
the total execution progress is the total progress of the warm-up operation of the steam turbine;
the sub-execution progress represents the running progress of each component, and the sum of the plurality of sub-execution progress is equal to the total execution progress;
the display unit is provided with a plurality of progress bars for presenting the sub-execution progress of each component of the steam turbine, when all the progress bars are full, the execution progress of the component corresponding to each parameter is finished, and when all the sub-execution progress is finished, the warmup is finished;
the lowest limit value of the progress bar is represented by the lowest value of an instrument, and the highest limit value is represented by the value of the balance state of each parameter during primary flushing and warming.
2. The system of claim 1, wherein the parameter comprises at least one of a bearing temperature, a cylinder expansion, a differential expansion, a high pressure cylinder metal upper temperature, a high pressure cylinder metal lower temperature, a post-conditioning stage metal temperature, a post-conditioning stage steam temperature, an axial displacement of the steam turbine.
3. The system of claim 1, wherein the display unit is further provided with a total execution progress prompt module, configured to display a prompt signal to indicate that the warmup is finished when the execution progress of the plurality of sub-execution progresses.
4. The system of claim 3, wherein the overall execution progress prompt module employs a pop-up module.
5. The system of claim 1, wherein the display unit is further provided with a plurality of indicator lights corresponding to the plurality of progress bars;
and the indicator lamp is used for displaying a prompt signal to represent the completion of the sub-execution progress of each component.
6. The system of claim 5, wherein the display unit is further provided with a warning light, the warning light corresponding to the bearing temperature parameter, the warning light being configured to display a warning signal to indicate that the bearing temperature exceeds a preset value.
7. A steam turbine warmup assisting method is characterized by comprising the following specific steps:
parameters of all parts of the steam turbine are obtained when the steam turbine is in warm-up operation;
obtaining the execution progress of the warming-up operation according to the parameters; displaying the execution progress in a progress bar mode; wherein the execution progress comprises a total execution progress and a plurality of sub-execution progress;
the total execution progress is the total progress of the warm-up operation of the steam turbine;
the sub-execution progress represents the running progress of each component, the sum of the plurality of sub-execution progress is equal to the total execution progress, the execution progress of the component corresponding to each parameter is completed when all progress bars are full, and the warmup is completed when all sub-execution progress is completed;
the lowest limit value of the progress bar is represented by the lowest value of an instrument, and the highest limit value is represented by the value of the balance state of each parameter during primary flushing and warming.
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| CN202210696015.0A CN114876591B (en) | 2022-06-20 | 2022-06-20 | Auxiliary system and method for steam turbine warm-up |
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| CN202210696015.0A CN114876591B (en) | 2022-06-20 | 2022-06-20 | Auxiliary system and method for steam turbine warm-up |
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