CN114876591A - Steam turbine warm-up auxiliary system and method - Google Patents
Steam turbine warm-up auxiliary system and method Download PDFInfo
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- CN114876591A CN114876591A CN202210696015.0A CN202210696015A CN114876591A CN 114876591 A CN114876591 A CN 114876591A CN 202210696015 A CN202210696015 A CN 202210696015A CN 114876591 A CN114876591 A CN 114876591A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000010792 warming Methods 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims 2
- 230000008569 process Effects 0.000 abstract description 9
- 238000010977 unit operation Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
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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
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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
- 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 auxiliary system and method, and belongs to the technical field of steam turbines. The assistance system of the present invention includes: the device comprises an acquisition unit, an analysis unit and a display unit; the acquiring unit is used for acquiring parameters of each part when the steam turbine is warmed up; the analysis unit is used for analyzing each parameter to obtain the execution progress of the warming operation; and the display unit is used for displaying the execution progress of the warming operation. According to the invention, each parameter of the steam turbine warming operation and the execution progress of the parameter are displayed through the display unit, so that an operator can browse all necessary related parameters of the warming in one picture and know the warming process of the related parameters, a signal of whether the warming is finished can be visually seen, the complexity of the steam turbine warming operation is reduced, and the economical efficiency of unit operation is increased.
Description
Technical Field
The invention belongs to the technical field of steam turbines, and particularly relates to a steam turbine warming auxiliary system and method.
Background
The steam turbine needs to be warmed up in the starting and rushing process of the steam turbine of the power plant so as to ensure that all parameters and stress of the steam turbine meet the design requirements in the rushing process, and the steam turbine is safe and stable to operate. At present, in the warming-up process, an operator needs to frequently patrol and examine each system parameter display picture, each parameter is recorded and analyzed, the working difficulty and the working strength of operators are increased, in addition, the operation experience of the operators is mainly depended in the judgment process, different judgment results can be generated for the judgment of different operators, and the safety and the economical efficiency of a unit can be possibly reduced.
In view of the above technical problems, the present invention provides a steam turbine warming-up auxiliary system and method to display the execution progress of the steam turbine warming-up operation and provide a warning signal for warming-up completion.
Disclosure of Invention
The present invention is directed to solve at least one of the problems of the prior art, and provides a system and a method for assisting warming-up of a steam turbine.
In one aspect of the present invention, there is provided a steam turbine warm-up assist system including: the device comprises an acquisition unit, an analysis unit and a display unit; wherein the content of the first and second substances,
the acquisition unit is used for acquiring parameters of each part when the steam turbine is subjected to warming-up operation;
the analysis unit is used for analyzing each parameter to obtain the execution progress of the warming operation;
and the display unit is used for displaying the execution progress of the warming operation.
Optionally, the parameter includes at least one of a bearing temperature, a cylinder expansion, a differential expansion, a metal upper portion temperature of the high pressure cylinder, a metal lower portion temperature of the high pressure cylinder, a metal temperature after a regulation stage, a steam temperature after the regulation stage, and an axial displacement of the steam turbine.
Optionally, the execution progress of the warming operation includes a total execution progress and a plurality of sub-execution progresses; wherein the content of the first and second substances,
the total execution progress is the total progress of the warming-up operation of the steam turbine;
the sub-execution progress indicates the operation progress of each component.
Optionally, a sum of the plurality of sub-execution schedules is equal to the total execution schedule.
Optionally, a plurality of progress bars are arranged on the display unit and used for showing the operation progress of each component of the steam turbine.
Optionally, the display unit is further provided with a total execution progress prompting module, configured to display a prompting signal to indicate that warming up is finished when the plurality of sub-execution progresses are completed.
Optionally, the total execution progress prompting module adopts a popup module.
Optionally, a plurality of indicator lights corresponding to the plurality of progress bars are further disposed on the display unit;
and the indicator light is used for displaying a prompt signal to represent the completion of the sub-execution progress of each component.
Optionally, a warning light is further arranged on the display unit, the warning light corresponds to the bearing temperature parameter, and the warning light is used for displaying a prompt signal to indicate that the bearing temperature exceeds a preset value.
In another aspect of the present invention, a method for assisting warming up of a steam turbine is provided, which includes the following steps:
acquiring parameters of each part when the steam turbine is subjected to warming-up operation;
obtaining the execution progress of the warming operation according to the parameters;
and displaying the execution progress.
The invention provides a steam turbine warming auxiliary system and a method, comprising the following steps: the device comprises an acquisition unit, an analysis unit and a display unit; the acquiring unit is used for acquiring parameters of each part when the steam turbine is warmed up; the analysis unit is used for analyzing each parameter to obtain the execution progress of the warming operation; and the display unit is used for displaying the execution progress of the warming operation. According to the invention, each parameter of the steam turbine warming operation and the execution progress of the parameter are displayed through the display unit, so that an operator can browse all necessary related parameters of the warming in one picture and know the warming process of the related parameters, a signal of whether the warming is finished can be visually seen, the complexity of the steam turbine warming operation is reduced, and the economical efficiency of unit operation is increased.
Drawings
FIG. 1 is a schematic diagram of a steam 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 steam turbine warm-up assist system according to another embodiment of the present invention;
fig. 3 is a flow chart of a turbine warm-up assist method according to another embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Unless otherwise specifically stated, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this invention belongs. The use of "including" or "comprising" and the like in this disclosure does not limit the presence or addition of any number, step, action, operation, component, element, and/or group thereof or does not preclude the presence or addition of one or more other different numbers, steps, actions, operations, components, elements, and/or groups thereof. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number and order of the indicated features.
As shown in fig. 1, according to an aspect of the present invention, there is provided a turbine warm-up assist system 100, including: an acquisition unit 110, an analysis unit 120, a display unit 130; the acquiring unit 110 is configured to acquire parameters of each component when the steam turbine performs a warming operation; an analyzing unit 120, configured to analyze each of the parameters to obtain an execution progress of the warming operation; 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 warming-up operation, both 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, all parameters of the steam turbine warming operation and the execution progress of the parameters are displayed through the display unit, so that an operator can browse all necessary relevant parameters of the warming in one picture, know the warming process of the relevant parameters, visually see a signal whether the warming is finished or not, reduce the complexity of the steam turbine warming operation and increase the economy of unit operation.
Referring to fig. 2, the parameters of the present embodiment include at least one of a bearing temperature of the steam turbine, a cylinder expansion, a differential expansion, a metal upper temperature of the high pressure cylinder, a metal lower temperature of the high pressure cylinder, a metal temperature after the adjustment stage, a steam temperature after the adjustment stage, and an axial displacement.
It should be noted that each parameter and the specific execution progress of each parameter are displayed on the display unit of the present embodiment.
It should be noted that the execution schedule of the warming-up operation in the embodiment includes a total execution schedule and a plurality of sub-execution schedules; wherein the total execution progress is the total progress of the warming-up operation of the steam turbine; the sub-execution progress indicates the operation progress of each component. That is, the execution progress of each component is obtained according to each parameter, and the overall progress of the warm-up operation of the steam turbine is also obtained according to the execution progress of each component, and the execution progress can be displayed on the display unit.
It should be understood that the sum of the plurality of sub-execution schedules is equal to the total execution schedule, i.e., when the execution schedules of all the components are completed, the warm-up operation is finished.
It should be noted that, in this embodiment, the execution progress display mode of each component is not specifically limited, and may be displayed by a numerical value, a progress bar, or other modes.
In some preferred embodiments, a progress bar is used to represent the execution progress, and a plurality of progress bars are arranged on the display unit and used for showing the operation progress of each component of the steam turbine, namely, each progress bar corresponds to one parameter.
It should be understood that each progress bar is required to 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 equilibrium state value of each parameter at the time of initial flushing and warming up, the length of the progress bar is corresponding to the maximum value of each parameter, so that the display length of the progress bar is continuously updated according to the acquired parameters, and when the progress bar is required to be full, the execution progress of the part corresponding to each parameter is completed.
Further, in some preferred embodiments, in order to prompt the operator, a plurality of indicator lights corresponding to the plurality of progress bars are further disposed on the display unit, and the indicator lights are used for displaying a prompt signal to indicate that the execution progress is completed.
It should be noted that, in this embodiment, the indicator light is not specifically limited, and may be a green indicator light, or may be 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 warm-up operation is completed.
Furthermore, as shown in fig. 2, in other preferred embodiments, a warning light is further disposed on the display unit, the warning light corresponds to the bearing temperature parameter, and the warning light is configured to display a prompt signal to indicate that the bearing temperature exceeds a preset value.
It should be noted that, in this embodiment, the warning light is not specifically limited, and may be a red warning light, or may be a warning light of another color.
Illustratively, the warning light turns red to indicate to the operator when the bearing temperature exceeds a limit.
It should be further noted that the warning light of the present embodiment may be integrally formed with the indicator light corresponding to the bearing temperature, and emit signal lights of different colors under different conditions.
Furthermore, in other preferred embodiments, a total execution progress indication module is further disposed on the display unit, and is configured to display an indication signal to indicate that the warming-up is finished when the plurality of sub-execution progresses are completed.
It should be noted that, in this embodiment, the total execution progress prompting module is not specifically limited, and a pop-up window module may be adopted, or other modules such as an indicator light may also be adopted.
For example, when the indicator lamps corresponding to all the parameters turn green, a warm-up end prompt is popped up to prompt the operator to perform the next operation.
It should be understood that the system of this embodiment should further include a control unit, through the internal setting logic, control the progress bar in the display unit to update the progress through the obtained parameters, and control each indicator light to turn green when the progress bar is satisfactory, and also be used for controlling the warning light to turn red after the bearing temperature is out of limit, and also be used for controlling the total execution progress prompting module to pop up the "warm-up end" prompt when all indicator lights turn green.
It should be noted that the auxiliary system of the present embodiment is also applicable to turbines for other power plants, 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 warming operation process, the steam turbine warming auxiliary system is added in a power plant digital control system, a steam turbine overview chart is added in a display interface, related parameters are added, a progress bar and an indicator light are configured for each parameter, a prompt effect is achieved through the indicator light, uncertainty of manual judgment is avoided, and economy of unit operation is improved.
As shown in fig. 3, another aspect of the present invention provides a turbine warm-up assisting method S200, which includes steps S210 to S230:
s210, acquiring parameters of each component when the steam turbine is in warming-up operation.
Referring to fig. 2, the parameters of the present embodiment include at least one of a bearing temperature of the steam turbine, a cylinder expansion, a differential expansion, a metal upper temperature of the high pressure cylinder, a metal lower temperature of the high pressure cylinder, a metal temperature after the adjustment stage, a steam temperature after the adjustment stage, and an axial displacement.
And S220, obtaining the execution progress of the warming operation according to the parameters.
It should be noted that the execution schedule of the warming-up operation in the embodiment includes a total execution schedule and a plurality of sub-execution schedules; wherein the total execution progress is the total progress of the warming-up operation of the steam turbine; the sub-execution progress indicates the operation progress of each component. That is, the execution progress of each component can be obtained according to each parameter, and the overall progress of the warm-up operation of the steam turbine can also be obtained according to the execution progress of each component.
It should be understood that the sum of the plurality of sub-execution schedules is equal to the total execution schedule, i.e., when the execution schedules of all the components are completed, the warm-up operation is finished.
And S230, displaying the execution progress.
The execution progress display mode of each component is not specifically limited in this embodiment, and may be displayed by a numerical value, a progress bar, or other modes.
In some preferred embodiments, a progress bar is used to represent the execution progress, and a plurality of progress bars are provided to show the operation progress of each part of the steam turbine, namely, each progress bar corresponds to one parameter.
Further, in some preferred embodiments, in order to prompt the operator, a plurality of indicator lights corresponding to the plurality of progress bars are provided, and the indicator lights are used for displaying a prompt signal to represent that the sub-execution progress of each component is completed.
Furthermore, in other preferred embodiments, a warning light is provided, and the warning light corresponds to the bearing temperature parameter, and the warning light is used for displaying a prompt signal to indicate that the bearing temperature exceeds the preset value.
Further, in other preferred embodiments, a total execution progress indication module is provided for displaying an indication signal to indicate the end of the warming-up according to the completion of the plurality of sub-execution progresses.
It should be noted that, in this embodiment, the total execution progress prompting module is not specifically limited, and a pop-up window module may be adopted, or other modules such as an indicator light may also be adopted.
For example, when the indicator lamps corresponding to all the parameters turn green, a warm-up end prompt is popped up to prompt the operator to perform the next operation.
The invention provides a steam turbine warming auxiliary system and a steam turbine warming auxiliary method, which have the following beneficial effects:
firstly, the system of the invention summarizes and analyzes the warming-up parameters, and displays each parameter of the steam turbine warming-up operation and the execution progress thereof through the display unit, so that an operator can browse all necessary relevant parameters of the warming-up in one picture and know the warming-up process of the relevant parameters.
Secondly, after the parameters are completely warmed, the color change of the indicator light reminds operators of the completion of warming, so that the uncertainty of artificial judgment is avoided, the complexity of the warming operation of the steam turbine is reduced, and the economical efficiency of the operation of the unit is improved.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A steam turbine warm-up assist system, comprising: the device comprises an acquisition unit, an analysis unit and a display unit; wherein the content of the first and second substances,
the acquisition unit is used for acquiring parameters of each part when the steam turbine is subjected to warming-up operation;
the analysis unit is used for analyzing each parameter to obtain the execution progress of the warming operation;
and the display unit is used for displaying the execution progress of the warming operation.
2. The system of claim 1, wherein the parameter comprises at least one of a bearing temperature of the steam turbine, a cylinder expansion, a differential expansion, a high pressure cylinder metal upper temperature, a high pressure cylinder metal lower temperature, a regulated post-stage metal temperature, a regulated post-stage steam temperature, an axial displacement.
3. The system of claim 1, wherein the execution schedule of the warming operation includes a total execution schedule and a plurality of sub-execution schedules; wherein the content of the first and second substances,
the total execution progress is the total progress of the warming-up operation of the steam turbine;
the sub-execution progress indicates the operation progress of each component.
4. The system of claim 3, wherein a sum of the plurality of sub-execution schedules is equal to the total execution schedule.
5. The system according to claim 4, wherein the display unit is provided with a plurality of progress bars for presenting sub-execution progress of each component of the steam turbine.
6. The system according to claim 4, wherein the display unit is further provided with a total execution progress prompting module, configured to display a prompting signal according to completion of the plurality of sub-execution progresses to indicate that warming-up is finished.
7. The system of claim 6, wherein the total execution progress indication module employs a popup module.
8. The system according to claim 3, wherein a plurality of indicator lights corresponding to the plurality of progress bars are further provided on the display unit;
and the indicator light is used for displaying a prompt signal to represent the completion of the sub-execution progress of each component.
9. The system according to claim 8, wherein a warning light is further disposed on the display unit, the warning light corresponds to the bearing temperature parameter, and the warning light is configured to display a prompt signal to indicate that the bearing temperature exceeds a preset value.
10. A steam turbine warm-up assisting method is characterized by comprising the following specific steps:
acquiring parameters of each part when the steam turbine is subjected to warming-up operation;
obtaining the execution progress of the warming operation according to the parameters;
and displaying the execution progress.
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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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