CN114088138A - Power plant over-temperature and over-pressure monitoring system based on measuring points - Google Patents
Power plant over-temperature and over-pressure monitoring system based on measuring points Download PDFInfo
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Abstract
The invention provides a power plant overtemperature and overpressure monitoring system based on a measuring point.A duty time setting module is used for self-defining addition and maintenance of value time information and setting value time starting time and finishing time; the shift time setting module is used for adding and maintaining shift information in a user-defined manner and setting shift starting time and shift ending time; the measuring point information maintenance module adds and maintains temperature and pressure measuring point information in a user-defined manner; the real-time measuring point acquisition module acquires real-time data of temperature and pressure measuring points; and the overtemperature and overpressure statistical monitoring module generates a statistical result of the overtemperature and overpressure duration of the measuring point during each shift according to the generated shift scheduling table on duty and the result value calculated by the overtemperature and overpressure duration of the measuring point. According to actual needs, index real-time competition can be directly carried out by counting the over-alarm result values, subjective activity of index assessment of each value and the staff of each time in a power plant is improved, and the purposes of reducing over-temperature and over-pressure time and greatly improving the safety level of the heating surface of the boiler are achieved.
Description
Technical Field
The invention relates to the technical field of data processing of power plants, in particular to a power plant over-temperature and over-pressure monitoring system based on measuring points.
Background
In the conventional power plant service system and management and control system, after the over-temperature and over-pressure data is acquired, statistics and ranking of each value and each shift are completed in a mode of manually calculating the over-limit time, a lot of energy of managers is consumed, the automation level is low, and the real-time monitoring and dynamic statistics and ranking analysis of the over-limit time of the over-temperature and over-pressure data cannot be realized.
Disclosure of Invention
The invention provides a power plant overtemperature and overpressure monitoring system based on measuring points, which improves the subjective initiative of index assessment of staff of each value and each shift of a power plant, greatly reduces overtemperature time, and greatly improves the safety level of a heating surface of a boiler.
The system comprises: the system comprises a duty time setting module, a shift time setting module, a measuring point information maintenance module, a real-time measuring point acquisition module and an overtemperature and overpressure statistics monitoring module;
the duty time setting module is used for custom adding and maintaining value time information and setting a value time starting time and a value time ending time;
the shift time setting module is used for adding and maintaining shift information in a user-defined manner and setting shift starting time and shift ending time;
the measuring point information maintenance module is used for adding and maintaining temperature and pressure measuring point information in a user-defined mode;
the real-time measuring point acquisition module is used for acquiring real-time data of temperature and pressure measuring points;
and the overtemperature and overpressure statistical monitoring module is used for generating a statistical result of the overtemperature and overpressure duration of the measuring point during each shift according to the generated shift scheduling table on duty and the result value calculated by the overtemperature and overpressure duration of the measuring point.
Preferably, the duty time setting module is composed of a duty date, duty information and a duty state, and represents duty information of different duty times at different times;
the duty date is specific to the time point of year, month and day;
the value information is added value times defined by a user, and comprises a first value, a second value, a third value, a fourth value and a fifth value;
the number of times state comprises white class, middle class, night class, rest and study.
Preferably, in the shift time setting module, the name of the shift, the start time of the shift and the end time of the shift are sequentially recorded, the recorded data are all stored in a relational database, and complete shift information is stored in the relational database;
the shift names include a white shift, a middle shift and a night shift.
Preferably, in the measuring point information maintenance module, measuring point identification, measuring point description, alarm value, unit and grouping category are sequentially recorded, recorded data are stored in a relational database, and complete measuring point identity data information is stored in the relational database;
the measuring point marks are measuring point marks corresponding to the DCS;
stations are described as custom added station names.
Preferably, the alarm value is an alarm critical value set according to different monitoring measuring points;
the unit is a measurement unit of a monitoring measuring point;
the unit is the information of the unit to which the monitoring point belongs;
the grouping category is the type of the metal wall temperature tube to which the monitoring measuring point belongs.
Preferably, in the real-time measuring point acquisition module, real-time or historical production data, i.e. measuring point values, are acquired from a production database;
and analyzing the collected temperature and pressure measurement point values, recording the starting time and the ending time of the over-temperature and over-pressure measurement point in the relational database if the result value meets the alarm value statistical condition, calculating the over-alarm duration, and returning to perform measurement point collection again if the result value does not meet the alarm value statistical condition.
Preferably, the over-temperature and over-pressure statistics monitoring module matches time information of a shift schedule on duty according to the starting time and the ending time of the over-temperature and over-pressure statistics duration of the measuring points, generates result ranking of the statistics duration of the over-temperature and over-pressure duration of the measuring points during each shift, and conducts real-time competition of small indexes.
Preferably, the method further comprises the following steps: the system comprises a station measuring power plant operation data analysis module and a station measuring power plant operation data statistics module;
the measuring point power plant equipment data analysis module is used for analyzing the power data of each measuring point in the power plant and analyzing and displaying the overtemperature and overpressure duration of the measuring point during each value shift;
the measuring point power plant operation data statistical module is used for configuring an operation data report of each measuring point power plant, forming a daily, monthly and annual report table of the operation data of each measuring point, a detailed table of the operation data of the monitoring measuring point power plant, a summary table of the operation data of the monitoring measuring point power plant, and a daily, monthly and annual report table of the over-temperature and over-pressure of each measuring point; providing an increase, deletion, modification and check operation interface of the operation data of each measuring point power plant for a user, carrying out real-time data monitoring, historical data monitoring and alarm data monitoring on the operation data of each measuring point power plant, configuring through the increase, deletion, modification and check operation interface, and storing the operation data of each measuring point power plant based on a time range;
and inquiring the operation data of the power plant at each measuring point, and displaying the operation data of the power plant at each measuring point in the forms of a list, a curve and a report.
Preferably, the method further comprises the following steps: a power plant information management module;
the power plant information management module is used for collecting and storing all regional information, basic data information and equipment information of the power plant, graphic information, image information and character information of the power plant, forming general indexes of the whole power plant region, displaying information of each measuring point and planning and configuring information of the future power plant and each measuring point;
and the system is also used for updating the power plant information, modifying the power plant information and viewing the operation.
According to the technical scheme, the invention has the following advantages:
the system provided by the invention utilizes real-time and historical production process data stored in a production database, automatically acquires and calculates the excess alarm measuring point duration according to self-defined added measuring point information, generates a statistical result of the excess temperature and excess pressure duration of the measuring point during each shift of values by combining a generated shift schedule on duty, meets the production statistical requirements of users, and automatically generates an excess temperature and excess pressure analysis daily report, monthly report, annual report and the like according to the statistical dimensions of a unit, the shift, and the like;
according to the system provided by the invention, according to actual needs, the over-alarm result value is counted, so that index real-time competition can be directly carried out, the subjective activity of index evaluation of personnel in each value and in each shift of a power plant is improved, and the purposes of reducing over-temperature and over-pressure time and greatly improving the safety level of the heating surface of the boiler are further achieved;
the system provided by the invention issues monitoring data generated by an over-temperature and over-pressure statistic monitoring module in various ways, such as Excel issuing, Web issuing and the like, wherein when the Excel is issued, the user-defined various templates are supported to be selected to issue reports required by users, the Web automatically issues some conventional report data, and supports the real-time ranking of the over-alarm time according to the dimensions of a unit, a value, a shift, the type of a metal wall temperature pipe and the like, and provides the real-time drawing and showing of a trend chart;
according to the system provided by the invention, through the over-temperature and over-pressure statistical monitoring module, historical data and trend graphs of all data of the monitoring measuring points can be quickly inquired according to dimensions such as a unit, a value number, a shift number, a metal wall temperature pipe type and the like, so that operating personnel can conveniently analyze various index data.
The system provided by the invention can not only provide production process data and historical data query and statistical ranking, but also analyze and judge the coking and dust deposition conditions of the metal wall temperature tube through the over-temperature data of the measuring point, and guide the unit maintenance.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a power plant excess temperature and pressure monitoring system based on measuring points;
FIG. 2 is a schematic diagram of an embodiment of a plant over-temperature and over-pressure monitoring system based on a measuring point.
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.
The elements and algorithm steps of the various examples described in the embodiments disclosed in the plant over-temperature and over-pressure monitoring system based on stations provided by the present invention can be implemented in electronic hardware, computer software, or a combination of both, and in the above description the components and steps of the various examples have been generally described in terms of functionality in order to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The block diagram shown in the attached drawing of the measuring point-based power plant excess temperature and excess pressure monitoring system provided by the invention is only a functional entity and does not necessarily correspond to a physically independent entity. I.e. these functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor means and/or microcontroller means.
In the power plant over-temperature and over-pressure monitoring system based on the measuring points, which is provided by the invention, it should be understood that the disclosed system, device and method can be realized in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may also be an electric, mechanical or other form of connection.
As shown in fig. 1 and 2, the power plant excess temperature and pressure monitoring system based on the measuring points provided by the invention comprises an on-duty time setting module, a shift time setting module, a measuring point information maintenance module, a real-time measuring point acquisition module and an excess temperature and pressure statistics monitoring module;
the on-duty time setting module is used for custom adding and maintaining time information of each value in the power plant;
in the embodiment of the application, the duty time setting consists of a duty date, value information and a value state, and represents the value information of different values on different dates;
the duty date can be freely set by the user, and is specific to the time point of year, month and day, such as: 2020, 12 months and 20 days;
the value information is the value added by the user, for example: one, two, three, four, five, etc.;
the time state comprises white class, middle class, night class, rest and study.
The shift time setting module is used for adding and maintaining the information of each shift time in the power plant in a user-defined manner;
in the embodiment of the application, the shift time setting module consists of a shift name, a shift starting time and a shift ending time and represents shift information of different shifts in different time periods;
the shift is freely set by a user, and the names comprise a white shift, a middle shift and a night shift;
the shift start time and the shift end time are set and maintained by user customization, such as: the night shift time is from 0 point to 8 points, the white shift time is from 8 points to 16 points, and the middle shift time is from 16 points to 24 points, which represent the working time periods of different groups;
and storing the generated group time data into a relational database, and generating a duty scheduling table of each duty time in a manner of being associated and corresponding to the duty time setting module.
The measuring point information maintenance module is used for user-defined entry and maintenance of measuring point identity data information and storing the measuring point identity data information in the relational database;
in the embodiment of the application, the measuring point information maintenance module consists of measuring point identification, measuring point description, alarm value, unit and grouping category;
the measuring point identification is a measuring point identification corresponding to the DCS, for example: DCS1_ HAN74CT 220;
the survey point is described as a custom added survey point name for the user, such as: the metal wall temperature of an outlet pipe group of a low-temperature superheater of a #1 unit is 10;
the alarm value is an alarm critical value set by a user according to different monitoring measuring points, such as: 605;
the unit is a measurement unit of a monitoring measuring point, such as: DEG C;
the unit is the unit information that the monitoring measurement point belongs to, for example: 1 unit or #1 unit;
the grouping type is the type of the metal wall temperature tube to which the monitoring measuring point belongs, such as a low-temperature superheater outlet tube group, a platen superheater tube group and the like.
The real-time measuring point acquisition module is used for acquiring real-time or historical production data from a production database, namely measuring point values of the monitoring measuring points;
in the embodiment of the application, the collected temperature and pressure measurement points are analyzed, if the result value meets the alarm value statistical condition set by the measurement point information maintenance module, the start time and the end time of the over-temperature and over-pressure measurement point are recorded, the over-alarm duration is calculated, the result value is stored in the relational database, and otherwise, the measurement point collection is returned again.
The overtemperature and overpressure statistical monitoring module is used for statistically analyzing overtime duration data of each value shift overtime alarm measuring point;
in the embodiment of the application, the overtemperature and overpressure statistic monitoring module is used for matching time information of a shift schedule on duty according to the starting time and the ending time of the overtemperature and overpressure statistic duration of the measuring points, generating overtemperature and overpressure data of the measuring points during each shift of the value, ranking results, carrying out real-time competition of small indexes, improving subjective activity of index evaluation of each value and shift personnel of a power plant, and controlling overtemperature and overpressure;
according to the generated overtemperature and overpressure monitoring data, an overtemperature and overpressure analysis daily report, a monthly report, a yearly report and a trend chart are automatically generated according to statistical dimensions of a unit, values, shifts and the like, and the coking and ash deposition conditions of the metal wall temperature tube are judged through data analysis to guide the unit to overhaul
The invention also relates to a system comprising: the system comprises a station measuring power plant operation data analysis module and a station measuring power plant operation data statistics module;
the measuring point power plant equipment data analysis module is used for analyzing the power data of each measuring point in the power plant and analyzing and displaying the overtemperature and overpressure duration of the measuring point during each value shift;
the measuring point power plant operation data statistical module is used for configuring an operation data report of each measuring point power plant, forming a daily, monthly and annual report table of the operation data of each measuring point, a detailed table of the operation data of the monitoring measuring point power plant, a summary table of the operation data of the monitoring measuring point power plant, and a daily, monthly and annual report table of the over-temperature and over-pressure of each measuring point; providing an increase and deletion check operation interface of the operation data of each measuring point power plant for a user, carrying out real-time data monitoring, historical data monitoring and alarm data monitoring on the operation data of each measuring point power plant, configuring through the increase and deletion check operation interface, and storing the operation data of each measuring point power plant based on a time range;
and inquiring the operating data of the power plant at each measuring point, and displaying the operating data of the power plant at each measuring point in the forms of lists, curves and reports.
The invention also relates to a system comprising: a power plant information management module;
the power plant information management module is used for collecting and storing all regional information, basic data information and equipment information of the power plant, graphic information, image information and character information of the power plant, forming general indexes of the whole power plant region, displaying information of each measuring point and planning and configuring information of the future power plant and each measuring point;
and the system is also used for updating the power plant information, modifying the power plant information and viewing the operation.
The plant over-temperature and over-pressure monitoring system based on measuring points provided by the invention is the units and algorithm steps of each example described in connection with the embodiments disclosed herein, and can be realized by electronic hardware, computer software or a combination of the two. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a power plant excess temperature and pressure monitoring system based on measurement station which characterized in that includes: the system comprises a duty time setting module, a shift time setting module, a measuring point information maintenance module, a real-time measuring point acquisition module and an overtemperature and overpressure statistics monitoring module;
the duty time setting module is used for custom adding and maintaining value time information and setting a value time starting time and a value time ending time;
the shift time setting module is used for custom adding and maintaining shift information and setting shift starting time and shift ending time;
the measuring point information maintenance module is used for adding and maintaining temperature and pressure measuring point information in a user-defined mode;
the real-time measuring point acquisition module is used for acquiring real-time data of temperature and pressure measuring points;
and the over-temperature and over-pressure statistic monitoring module is used for generating a statistic result of the over-temperature and over-pressure time of the measuring point during each shift according to the generated shift schedule and the result value calculated by the over-temperature and over-pressure time of the measuring point.
2. The station-based power plant excess temperature and pressure monitoring system of claim 1, wherein:
the duty time setting module consists of duty date, duty time information and duty time states and represents duty information of different duty times at different times;
the duty date is specified to the time point of year, month and day;
the value information is the value added by the user in a user-defined way, and comprises a first value, a second value, a third value, a fourth value and a fifth value;
the number of times state comprises white class, middle class, night class, rest and study.
3. The station-based power plant excess temperature and pressure monitoring system of claim 1, wherein:
the shift time setting module is used for sequentially inputting a shift name, a shift starting time and a shift ending time, the input data are stored in a relational database, and the relational database stores complete shift information;
the shift names include a white shift, a middle shift and a night shift.
4. The station-based power plant excess temperature and pressure monitoring system of claim 1, wherein:
in the measuring point information maintenance module, measuring point identification, measuring point description, alarm value, unit and grouping category are sequentially recorded, recorded data are stored in a relational database, and complete measuring point identity data information is stored in the relational database;
the measuring point marks are measuring point marks corresponding to the DCS;
stations are described as custom added station names.
5. The station-based power plant excess temperature and pressure monitoring system of claim 4, wherein:
the alarm value is an alarm critical value set according to different monitoring measuring points;
the unit is a measurement unit of a monitoring measuring point;
the unit is the information of the unit to which the monitoring point belongs;
the grouping category is the type of the metal wall temperature tube to which the monitoring measuring point belongs.
6. The station-based power plant excess temperature and pressure monitoring system of claim 1, wherein:
in the real-time measuring point acquisition module, real-time or historical production data, namely measuring point values, are acquired from a production database;
and analyzing the collected temperature and pressure measurement point values, recording the starting time and the ending time of the over-temperature and over-pressure measurement point in the relational database if the result value meets the alarm value statistical condition, calculating the over-alarm duration, and returning to perform measurement point collection again if the result value does not meet the alarm value statistical condition.
7. The station-based power plant excess temperature and pressure monitoring system according to claim 1, characterized in that:
the overtemperature and overpressure statistic monitoring module matches time information of a shift schedule on duty according to the starting time and the ending time of the measuring point overtemperature and overpressure statistic duration, generates result ranking of the statistic duration of the measuring point overtemperature and overpressure during each shift period, and conducts small-index real-time competition.
8. The station-based power plant excess temperature and pressure monitoring system of claim 1, wherein:
further comprising: the system comprises a station measuring power plant operation data analysis module and a station measuring power plant operation data statistics module;
the measuring point power plant equipment data analysis module is used for analyzing the power data of each measuring point in the power plant and analyzing and displaying the overtemperature and overpressure duration of each measuring point during each shift.
9. The station-based power plant excess temperature and pressure monitoring system of claim 8, wherein:
the measuring point power plant operation data statistical module is used for configuring an operation data report of each measuring point power plant, forming a daily, monthly and annual report table of the operation data of each measuring point, a detailed table of the operation data of the monitoring measuring point power plant, a summary table of the operation data of the monitoring measuring point power plant, and a daily, monthly and annual report table of the over-temperature and over-pressure of each measuring point; providing an increase and deletion check operation interface of the operation data of each measuring point power plant for a user, carrying out real-time data monitoring, historical data monitoring and alarm data monitoring on the operation data of each measuring point power plant, configuring through the increase and deletion check operation interface, and storing the operation data of each measuring point power plant based on a time range;
and inquiring the operation data of the power plant at each measuring point, and displaying the operation data of the power plant at each measuring point in the forms of a list, a curve and a report.
10. The station-based power plant excess temperature and pressure monitoring system of claim 1, wherein:
further comprising: a power plant information management module;
the power plant information management module is used for collecting and storing all regional information, basic data information and equipment information of the power plant, graphic information, image information and character information of the power plant, forming general indexes of the whole power plant region, displaying information of each measuring point and planning and configuring information of the future power plant and each measuring point;
and the system is also used for updating the power plant information, modifying the power plant information and viewing the operation.
Applications Claiming Priority (2)
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