CN114881262A - Large-scale boiler high temperature pressure-bearing pipeline life cycle management system - Google Patents
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Abstract
The invention discloses a full life cycle management system for a high-temperature pressure-bearing pipeline of a large boiler, which can only operate within a specified authority range by acquiring data and setting different authorities for login personnel. The system comprises a data query module, a boiler information management module, a boiler pipeline real-time monitoring module, a boiler pipeline safety assessment module and a boiler pipeline health state diagnosis module, covers the information management of the whole life cycle from the delivery to the use of boiler equipment to the scrapping, comprises the resource management, operation regulation and rule standard management of the boiler equipment, realizes the real-time monitoring and safety assessment of the defects of the boiler equipment, particularly the pressure-bearing pipeline thereof, establishes a diagnosis system for the health state of the high-temperature pressure-bearing pipeline of the boiler, and realizes the informationized, normalized and accurate management of the boiler equipment.
Description
Technical Field
The invention relates to the field of boiler pipeline management and automatic control, in particular to a full-life cycle management system for a high-temperature pressure-bearing pipeline of a large boiler.
Background
The safety performance of large boilers is greatly challenged when the large boilers are operated under harsh conditions for a long time, and particularly whether key pressure-bearing parts of the boilers, such as main steam pipelines, water wall pipes and the like, can withstand high temperature and high pressure is the key for the long-term safe operation of the boilers.
In recent years, certain research has been carried out on the damage mode of the pressure-bearing equipment in China, and GB/T30579-2014 Damage mode identification of the pressure-bearing equipment is taken as the latest national standard to standardize the classification of the damage mode of the pressure-bearing equipment, and the classification is roughly divided into damages such as corrosion thinning, environmental cracking and the like. Once accidents are caused by damage of pressure-bearing pipelines in a boiler system, huge disasters and economic losses can be caused by the fact that the critical pressure-bearing pipelines, such as a main steam pipeline, a water wall, a superheater and the like, of the boiler equipment are accurate.
At present, the domestic boiler equipment management system pays more attention to parameters (such as medium temperature, flow and the like) of media in a pipeline, the states (such as wall temperature and stress condition) of the pipeline and a supporting and hanging frame are not monitored on line, more inspection personnel are relied on to stop the boiler to inspect to judge the reliability of boiler operation, and the real-time state feedback of the boiler is not timely.
Therefore, a reasonable boiler pressure-bearing pipeline management system is established for the real-time control of the large boiler, particularly the pressure-bearing pipeline of the large boiler in the whole life cycle, the running state of the boiler pressure-bearing pipeline in the whole life cycle is tracked in real time, the pipeline state is informationized, digitized, automated and intelligent, and the method has great significance.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a full-life-cycle management system for a high-temperature pressure-bearing pipeline of a large-sized boiler, which solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a whole life cycle management system for a high-temperature pressure-bearing pipeline of a large boiler realizes process monitoring by using a rule driving method for equipment through data acquisition, sets different authorities for login personnel and can only operate within a specified authority range. The system comprises a data query module, a boiler information management module, a boiler pipeline real-time monitoring module, a boiler pipeline safety assessment module and a boiler pipeline health state diagnosis module, covers the information management of the whole life cycle from the delivery to the use of boiler equipment to the scrapping, comprises the resource management, operation regulation and rule standard management of the boiler equipment, realizes the real-time monitoring and safety assessment of the defects of the boiler equipment, particularly the pressure-bearing pipeline thereof, establishes a diagnosis system for the health state of the high-temperature pressure-bearing pipeline of the boiler, and realizes the informationized, normalized and accurate management of the boiler equipment.
As a further scheme of the invention, the data query module has the characteristics of multiple varieties and large quantity of boiler equipment, heavy proportion of non-standard equipment and the like, and various operation regulation standards and the like are quite complex, so that the system is specially provided with 4 subordinate sub-modules including subordinate laws and regulations, operation regulations, equipment information and book documents.
The function of the module is as follows: firstly, in order to satisfy the needs of the rule-driven operation of boiler equipment information management module, secondly for making things convenient for user of service and inspection personnel to master equipment information in real time, thirdly, make user of service and inspection personnel more convenient realization to study, understand and inquire various rule standards, relevant literature and books that can search for the inquiry needs simultaneously. The module has the functions of conventional file management, and also requires browsing means and a technical platform capable of providing multimedia forms.
As a further scheme of the invention, the boiler information management module is an important component of the operation of the system and is set by a boiler equipment use unit, and the module extracts time elements for inspection and monitoring through operation rules, legal and regulatory standards and the like associated with each boiler equipment, automatically generates an inspection plan and implements dynamic warning. The system mainly comprises 4 submodules of equipment registration, inspection management, equipment inquiry and other information, and realizes conventional management of boiler equipment.
Before all boiler equipment enters a management program, registration operation needs to be completed in an equipment registration module, and an account can be acquired through registration examination to start and enter the system management program. The inspection management module can acquire annual inspection, periodic inspection and sampling inspection information of the equipment, is connected with the equipment query module, guides an inspection report into the equipment query module, and acquires an annual inspection report, a periodic inspection report and the like of the equipment and queries planned inspection report information of the equipment through the equipment query module. In other information modules, historical data of nondestructive testing and physical and chemical testing of boiler equipment can be inquired and obtained, the data of metal detection and detection of previous overhaul is informationized and then stored in a system, and data trend analysis is carried out by taking time as a horizontal coordinate so as to help judge the failure risk of the high-temperature pressure-bearing pipeline of the boiler.
As a further scheme of the invention, the boiler pipeline real-time monitoring module is a core module of the system, plays a role in real-time monitoring of key pressure-bearing pipelines of the boiler in a using link period, and is responsible for leading in real-time monitoring data through an external sensor so as to realize real-time tracking of the whole service life of the high-temperature pressure-bearing pipelines of the boiler. The sub-modules under the module comprise a pipeline wall temperature monitoring module, a pipeline heat insulation monitoring module, a pipeline support and hanger stress monitoring module, a pipeline vibration monitoring module, a pipeline corrosion monitoring module, a pipeline leakage monitoring module and a pipeline stress monitoring module.
The boiler pipeline real-time monitoring module judges whether the wall temperature meets the design requirement through the pipeline wall temperature monitoring module and the pipeline heat preservation monitoring module, and analyzes the pipeline heat preservation effect; meanwhile, the stress and stress conditions of the pipe system under the conditions of the temperature and the unit load can be analyzed according to the stress monitoring module and the pipeline stress monitoring module of the pipeline support and hanger; after the safe start of the unit is ensured, the real-time running safety condition of the boiler pipeline is monitored by using the pipeline vibration monitoring module, the pipeline corrosion monitoring module and the pipeline leakage monitoring module.
As a further scheme of the invention, the boiler pipeline safety evaluation module is another important module for realizing the functions of the system, namely an equipment defect safety evaluation and failure simulation operation platform, and consists of 2 sub-modules of defect safety evaluation and defect failure simulation. The module is closely related to a boiler pipeline real-time monitoring module, and related equipment conditions and data obtained through real-time monitoring are processed and led into the module.
The defect safety evaluation module is used for carrying out stress analysis and material damage analysis on equipment defects and carrying out grading and safety evaluation on defect conditions. And the defect failure simulation module carries out failure simulation analysis on the boiler pressure-bearing pipeline through external simulation software, and provides a basis for predicting the residual service life of the boiler pressure-bearing pipeline.
The boiler pipeline safety evaluation module is used for aiming at various crack defects which mainly affect the safety of a high-temperature boiler pressure-bearing pipeline, adopting methods such as theoretical calculation, simulation technology, comparison experiment and the like, realizing the tracking of a crack defect failure path and other defect failure paths by changing and adjusting main sensitive factors which affect the failure of the defects, such as load, size, fracture toughness and the like, and based on a defect safety dynamic evaluation diagram, and simultaneously evaluating the safety degree of the defects according to the failure rate and the fatigue environment, and providing effective safety degree information for the health diagnosis of boiler equipment.
As a further scheme of the invention, the boiler pipeline health state diagnosis module is mainly used for carrying out comprehensive analysis and judgment on detection information according to real-time monitoring data of the operation process of the high-temperature pressure-bearing pipeline of the boiler and the safety historical condition of the high-temperature pressure-bearing pipeline of the boiler, thereby realizing the health diagnosis of the high-temperature pressure-bearing pipeline of the boiler. By effectively implementing the diagnosis function of the module and combining the boiler pipeline real-time monitoring module and the boiler pipeline safety evaluation module, the risk level of pipeline failure under the conditions of current load, stress, vibration and corrosion rate is analyzed, and the safety condition of key parts of key equipment containing defects (such as corrosion, cracks and the like) can be effectively monitored.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with the data query module and the boiler information management module, thereby facilitating the user and the inspector to master the equipment information in real time, enabling the user and the inspector to learn, understand and query various rule standards and operating rules more conveniently and rapidly, and searching and querying required relevant documents and books. In addition, through the registration operation of the boiler equipment, the related inspection condition of the equipment, the historical nondestructive inspection, physicochemical inspection data and the like can be acquired, and the informatization of the historical dimensional repair metal inspection and detection data is realized.
2. The boiler pipeline real-time monitoring system is provided with the boiler pipeline real-time monitoring module which is used as a core module of the whole system, plays a role of monitoring key pressure-bearing pipelines of the boiler in a use link period in real time, and is used for leading in real-time monitoring data through an external sensor so as to judge whether the wall temperature and the heat preservation effect of the boiler pipeline meet requirements or not, and mastering the stress and stress conditions of a pipeline system in real time so as to realize real-time tracking of the whole service life of boiler equipment.
3. The boiler pipeline safety evaluation module and the boiler pipeline health state diagnosis module are arranged, so that the safety degree of various crack defects mainly influencing the safety of the high-temperature pressure-bearing pipeline of the boiler is evaluated by adopting methods such as theoretical calculation, simulation technology, comparison experiment and the like, effective safety degree information is provided for the health diagnosis of boiler equipment, and the detection information is comprehensively analyzed and judged by combining and analyzing real-time monitoring data and safety historical conditions, so that the health diagnosis of the boiler equipment is realized.
Drawings
FIG. 1 is a functional structure model diagram of the system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1, in the embodiment of the present invention, a system for managing a full life cycle of a high-temperature pressure-bearing pipeline of a large boiler monitors a process of equipment by using a "rule-driven" method through data acquisition, sets different permissions for login staff, and can only operate within a specified permission range. The system comprises a data query module, a boiler information management module, a boiler pipeline real-time monitoring module, a boiler pipeline safety assessment module and a boiler pipeline health state diagnosis module, covers the information management of the whole life cycle from the delivery to the use of boiler equipment to the scrapping, comprises the resource management, operation regulation and rule standard management of the boiler equipment, realizes the real-time detection and safety assessment of the defects of the boiler equipment, particularly the pressure-bearing pipeline thereof, establishes a diagnosis system for the health state of the boiler equipment, and realizes the informationized, normalized and accurate management of the boiler equipment.
In the embodiment of the invention, the specific technical scheme comprises the following steps:
the data query module belongs to 4 submodules of laws and regulations, operating rules, equipment information and book documents, and has the function of conventional file management and also needs to provide a multimedia browsing means and a technical platform.
1. Through the law and regulation and operation regulation module, users and inspectors can inquire and acquire related law and regulation standards and equipment operation regulations and strengthen learning and understanding of the laws and regulation standards and the equipment operation regulations;
2. inquiring relevant basic information of the equipment, such as production date, nameplate number and the like, through an equipment information module, and acquiring equipment information in real time;
3. through the book document module, a user can search related documents and book data more conveniently, and a multimedia browsing means is provided.
The boiler information management module is set by a boiler equipment using unit, extracts time elements for inspection and monitoring according to operation rules, legal standards and the like associated with each boiler equipment, automatically generates an inspection plan, implements dynamic warning and realizes conventional management of the boiler equipment.
1. Before all boiler equipment enters a management program, registration operation is completed in an equipment registration module, and an account can be acquired through registration examination to start and enter the system management program;
2. the annual inspection, periodic inspection and sampling inspection information of the equipment can be obtained through the inspection management module, and the inspection management module is connected with the equipment query module to introduce an inspection report into the equipment query module;
3. acquiring annual inspection reports, regular inspection reports and the like of the equipment and inquiring planned inspection reporting information of the equipment through an equipment inquiry module;
4. in other information modules, historical data of nondestructive testing and physical and chemical testing of boiler equipment can be inquired and obtained, the data of metal detection and detection of the previous overhaul is informationized and then stored in a system, and data trend analysis is carried out by taking time as a horizontal coordinate.
The boiler pipeline real-time monitoring module is a core module of the system, the subordinate sub-modules comprise a pipeline wall temperature monitoring module, a pipeline heat insulation monitoring module, a pipeline support hanger stress monitoring module, a pipeline vibration monitoring module, a pipeline corrosion monitoring module, a pipeline leakage monitoring module and a pipeline stress monitoring module, the effect of carrying out real-time monitoring on a key pressure-bearing pipeline of the boiler in a use link period is achieved, and through an external sensor, real-time monitoring data are guided into the boiler pipeline real-time monitoring module, so that the whole life real-time tracking of the high-temperature pressure-bearing pipeline of the boiler is achieved.
1. The pipeline wall temperature monitoring module is provided with a temperature sensor on the outer surface of the pipeline, measures the temperature of the outer wall of the pipeline in real time, controls the temperature rise and fall rate by utilizing the temperature difference between the temperature of a medium inside the pipeline and the temperature of the outer wall of the pipeline, and identifies abnormal conditions in the starting and stopping process;
2. the pipeline heat insulation monitoring module comprises a medium temperature sensor arranged in the pipeline, a pipeline outer wall temperature monitoring device and a temperature monitoring device on an outer coating layer of the heat insulation layer, and whether the performance and the heat insulation effect of the heat insulation material meet the requirements or not is judged by comparing the internal temperature and the external temperature of the heat insulation layer;
3. the pipeline support and hanger stress monitoring module is mainly used for measuring stress through a force sensor arranged on a bracket and judging whether the support and hanger is overloaded or not through comparison of load data under actual working conditions and design data;
4. the pipeline vibration monitoring module is mainly used for carrying out vibration measurement through an acceleration sensor arranged on a pipeline or a pipe fitting or a bracket, comparing normal working condition data and judging whether the pipeline state changes suddenly or not;
5. the pipeline corrosion monitoring module is mainly used for recording in real time through a sacrificial anode protection method corrosion current monitoring device arranged on a pipeline and judging the corrosion rate of the pipeline;
6. the pipeline leakage monitoring module comprises a pressure sensor arranged on the pipeline and a temperature sensor of the surrounding environment, judges whether leakage occurs or not according to the fluctuation of medium pressure and the temperature change of surrounding medium when the pipeline leaks, and approximately determines the abnormal positions of temperature and pressure;
7. the pipeline stress monitoring module is used for installing a high-temperature strain monitoring device on a high-temperature pipeline, measuring the stress of the pipeline, analyzing the stress condition of a pipe fitting and connecting equipment and dynamically monitoring the change condition of the pipeline.
The boiler pipeline safety evaluation module, namely an equipment defect safety evaluation and failure simulation operation platform, is composed of 2 submodules of defect safety evaluation and defect failure simulation. The module is closely related to a boiler pipeline real-time monitoring module, and related pipeline state conditions and data obtained through real-time monitoring are processed and led into the module.
1. Stress analysis and material damage analysis are carried out on the defects of the high-temperature pressure-bearing pipeline through a defect safety evaluation module, and grading and safety evaluation are carried out on the defect conditions;
2. the defect failure simulation module carries out failure simulation analysis on the boiler pressure-bearing pipeline through external simulation software, evaluates the safety degree of the defects through simulating failure rate and fatigue environment, and provides effective safety degree information for health diagnosis of the boiler high-temperature pressure-bearing pipeline.
The boiler pipeline health state diagnosis module is mainly used for carrying out comprehensive analysis and judgment on detection information according to real-time monitoring data of operation processes of certain weak or key parts of the high-temperature boiler and safety historical conditions of the high-temperature boiler, so that health diagnosis of a high-temperature pressure-bearing pipeline of the boiler is realized. By effectively implementing the diagnosis function of the module and combining the boiler pipeline real-time monitoring module and the boiler pipeline safety evaluation module, the risk level of pipeline failure under the conditions of current load, stress, vibration and corrosion rate is analyzed, and the safety condition of the parts of key pipelines containing defects (such as corrosion, cracks and the like) can be effectively monitored.
In the description of the present invention, it is to be noted that, as it is apparent to those skilled in the art, the present invention is not limited to the details of the above-mentioned exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof, and therefore, the embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein and are therefore not to be construed as limiting the claims concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a large-scale boiler high temperature pressure-bearing pipeline life cycle management system, including data inquiry module, boiler information management module, boiler pipeline real-time supervision module, boiler pipeline safety assessment module and boiler pipeline health condition diagnosis module, include from boiler equipment from the factory to putting into use, until condemned life cycle's information management, contain the resource management and the operating regulation to boiler equipment, the standard management of regulation, realize real-time supervision and the safety assessment to boiler equipment especially its pressure-bearing pipeline defect, establish diagnosis system to boiler high temperature pressure-bearing pipeline health condition, realize the management to boiler equipment informationization, normalization, the accuracy.
2. The system for managing the full life cycle of the high-temperature pressure-bearing pipeline of the large-sized boiler according to claim 1, characterized in that: the data query module comprises a data query module, 4 subordinate sub-modules including laws and regulations, operation rules, equipment information and book documents are arranged, a user and a tester can conveniently master the equipment information in real time and can conveniently and rapidly learn, understand and query related data in time, and besides the function of conventional file management, a browsing means and a technical platform in a multimedia form are required.
3. The system for managing the full life cycle of the high-temperature pressure-bearing pipeline of the large-sized boiler according to claim 1, characterized in that: the boiler information management module is set by a boiler equipment use unit and consists of 4 submodules of equipment registration, inspection management, equipment inquiry and other information, and the time elements of inspection and monitoring are extracted according to operation rules, legal standards and the like associated with each boiler equipment, so that an inspection plan is automatically generated, dynamic warning is implemented, and the conventional management of the boiler equipment is realized.
4. The system for managing the whole life cycle of the high-temperature pressure-bearing pipeline of the large boiler according to claim 1, characterized in that: the boiler pipeline real-time monitoring module plays a role in monitoring the high-temperature pressure-bearing pipeline of the boiler in the using link in real time, and the real-time monitoring data is guided in through an external sensor, so that the whole service life of the high-temperature pressure-bearing pipeline of the boiler can be tracked in real time. The sub-modules under the module comprise a pipeline wall temperature monitoring module, a pipeline heat insulation monitoring module, a pipeline support and hanger stress monitoring module, a pipeline vibration monitoring module, a pipeline corrosion monitoring module, a pipeline leakage monitoring module and a pipeline stress monitoring module.
5. The system for managing the full life cycle of the high-temperature pressure-bearing pipeline of the large-sized boiler according to claim 1, characterized in that: the boiler pipeline safety evaluation module, namely a safety evaluation and failure simulation operation platform of equipment defects, consists of 2 submodules of defect safety evaluation and defect failure simulation, and evaluates the safety degree of the defects by processing relevant equipment conditions and data obtained by real-time monitoring and applying theoretical calculation and simulation analysis.
6. The system for managing the full life cycle of the high-temperature pressure-bearing pipeline of the large-sized boiler according to claim 1, characterized in that: the boiler pipeline health state diagnosis module is mainly used for monitoring data of a high-temperature pressure-bearing pipeline of a boiler in real time in the operation process, comprehensively analyzing and judging detection information by combining the safety historical conditions of the high-temperature pressure-bearing pipeline, analyzing the risk level of pipeline failure under the conditions of current load, stress, vibration and corrosion rate, and effectively monitoring the safety condition of key parts of key pipelines containing defects (such as corrosion, cracks and the like), thereby realizing the health diagnosis of the boiler pipeline.
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| CN202210486158.9A CN114881262A (en) | 2022-05-06 | 2022-05-06 | Large-scale boiler high temperature pressure-bearing pipeline life cycle management system |
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| CN202210486158.9A CN114881262A (en) | 2022-05-06 | 2022-05-06 | Large-scale boiler high temperature pressure-bearing pipeline life cycle management system |
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