Power plant chemical experiment supervision and management system and management method

Abstract

The invention discloses a power plant chemical experiment supervision and management system and management method, belongs to the technical field of chemical experiment supervision and management, and reduces the error rate of the detection process and the labor demand of test by adopting the modes of automatic data acquisition, automatic auditing and judgment and online quality control. Through timely extraction, intelligent statistics and real-time trend display of data, according to indexes of chemical supervision of a power plant, key data serving equipment operation are collected and processed, abnormity found by chemical supervision is timely warned, information sharing and circulation of the data are transmitted through the Internet, the information transmission efficiency is improved, and the power plant chemical supervision system is more convenient to use. The handheld terminal is combined with the two-dimensional code for use, so that the on-line controllability of the on-site sampling process is realized, personnel sampling is facilitated, on-site inspection and real-time data uploading are realized, the on-line centralized management of scattered detection sites is realized, the supervision and management effect is improved, and the quality control difficulty of each link is reduced by establishing a standardized operation process.

Description

Technical Field

[0001] The invention belongs to the technical field of chemical experiment supervision management, and specifically relates to a power plant chemical experiment supervision management system and a management method. Background Art

[0002] Power plant chemical experiments are a very important part of the power plant operation process, involving chemical analysis of the power plant's water quality, fuel, ash, etc. to ensure the safe and efficient operation of the power plant.

[0003] The supervision and management of chemical experiments in power plants is an important part of ensuring the safe and stable operation of power plants. The goal of chemical supervision is to ensure the safe operation of power plant units by strengthening chemical process monitoring, chemical management, and chemical accident emergency response in power plants.

[0004] At present, the supervision and management of chemical experiments in power plants is highly dependent on manual intervention throughout the entire process, which poses the risk of human interference. In addition, a large number of test data reports need to be manually counted, resulting in low efficiency in information flow, making it difficult for relevant personnel to quickly, comprehensively and accurately grasp the supervision data. Information islands are obvious, and the value of data cannot be fully utilized. Due to the poor awareness of standardization and regularization of some relevant technical personnel and the scattered work sites, quality control in all aspects of testing becomes more difficult, making it difficult for traditional management models to adapt to the new requirements under the current situation. Summary of the invention

[0005] In order to overcome the above-mentioned defects, the present invention provides a power plant chemical experiment supervision management system and management method, which solves the problem that the whole process is highly dependent on manual intervention and there is a risk of human interference, and a large number of test data reports need to be manually counted, resulting in low information flow efficiency, making it difficult for relevant personnel to quickly, comprehensively and accurately grasp the supervision data, and the information island phenomenon is obvious. The value of the data cannot be fully utilized. Due to the poor standardization and regularization awareness of some relevant technical personnel, the quality control of each link of the test is easily difficult due to the scattered work sites.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a power plant chemical experiment supervision and management system, comprising an automatic data acquisition unit, a resource supervision and management unit and a supervision intelligent management and control unit, wherein the resource supervision and management unit is bidirectionally connected to the automatic data acquisition unit, the automatic data acquisition unit is bidirectionally connected to the supervision intelligent management and control unit, the output end of the supervision intelligent management and control unit and the automatic data acquisition unit is connected to a handheld terminal, the input end of the handheld terminal is connected to the output end of the resource supervision and management unit, the output end of the supervision intelligent management and control unit is connected to a trend display and alarm module, and the input end of the trend display and alarm module is connected to the input end of the resource supervision and management unit;

[0007] The resource supervision management unit includes a personnel management module, an equipment management module, a method management module, a document management module, a sample management module and a procurement management module;

[0008] The supervisory intelligent management and control unit includes a PLC controller, a task management module and a task scheduling module, the PLC controller is bidirectionally connected to the task management module and the task scheduling module, and the PLC controller is bidirectionally connected to the automatic data acquisition unit;

[0009] The resource supervision and management unit is used to implement comprehensive management of resource configuration that affects the test results;

[0010] The automatic data acquisition unit is used to classify the laboratory instruments into three categories according to the configuration of the laboratory instruments: instruments with a host computer, instruments without a host computer but with a data interface, and instruments without a host computer but without a data interface;

[0011] The handheld terminal is used for real-time on-site collection of test data, and can also be used to ensure the registration of on-site sampling. It is divided into two sampling task association situations according to actual conditions;

[0012] The supervisory intelligent control unit is used to centrally manage the various scattered experimental sites, laboratory instruments and equipment, and test data, so as to realize the digital traceability of the laboratory operation and enable traceability;

[0013] The trend display and alarm module collects and processes key data serving the operation of the equipment according to the indicators of chemical supervision of the power plant, and performs statistical analysis and comparison to form a trend curve chart, so as to timely warn of abnormalities discovered by chemical supervision and ensure stable operation of the equipment.

[0014] As a further solution of the present invention: the personnel management module includes management of personnel job responsibilities, personnel changes, personnel training and personnel qualification authorization;

[0015] The equipment management module is used to record the classification of laboratory instruments and equipment, the information of equipment suppliers, equipment use and maintenance records, equipment calibration and verification status, and equipment use status;

[0016] The method management module is used to manage the test method standards and novelty search records;

[0017] The document management module is used to manage the controlled and uncontrolled documents inside and outside the laboratory, and includes records of issuance, recovery, borrowing and modification;

[0018] The sample management module is used to manage the registration of test samples, the sample circulation process, and the storage records;

[0019] The procurement management module is used to control external support services and procurement processes so that the purchased services meet quality management requirements, and includes procurement plan applications, procurement acceptance records, a list of qualified suppliers, and supplier evaluation management.

[0020] As a further solution of the present invention: the specific application of the automatic data acquisition unit is as follows:

[0021] For instruments with a host computer: after the test is completed, the host computer generates and saves the data, and the system automatically collects the data to the supervisory intelligent control unit;

[0022] For instruments without a host computer and a data interface: there are two communication modes: serial port and network interface. When using a serial port communication instrument, after the sample analysis is completed, click print or send data on the instrument, and the data will be automatically sent to the supervisory intelligent management and control unit. When using a network interface communication instrument, data collection is achieved through network cables and switches and uploaded to the supervisory intelligent management and control unit.

[0023] For instruments without a host computer and data interface: personnel use a handheld terminal to scan the sample's barcode to select the test indicators, and then scan the instrument's barcode. The handheld terminal displays the associated original record sheet. After the test is completed, personnel directly enter the data results on the handheld terminal and take photos of the original data and upload them to the supervisory intelligent management and control unit.

[0024] As a further solution of the present invention: the specific application of the handheld terminal is as follows:

[0025] Scenario 1: For fixed sampling points, a list is compiled and a sampling point QR code is set in a fixed area. When sampling, the sampling task entry is found using a handheld terminal, and the code is scanned. After the task association is completed, the sampling operation is performed;

[0026] Scenario 2: When the sampling point is not fixed, the on-site sampling photos are uploaded to the task for binding, and photos are taken through a handheld terminal to leave traces, collect and record on-site photos or upload original on-site records and inspection results, so that pictures or data can be uploaded with one click.

[0027] As a further solution of the present invention: the task management module is used to provide a task planning function for regular testing tasks, set the automatic release of scheduled tasks according to the conditions of test type, test items and test cycle, and provide a manual dispatch mode for routine or temporary test tasks to meet the needs of different test scenarios.

[0028] As a further solution of the present invention: the task scheduling module is used to subdivide the task units according to the inspection items and the test steps, the task units are associated with corresponding personnel, equipment and materials, and a scheduling plan is output;

[0029] The specific application of the task scheduling module is as follows:

[0030] Intelligent scheduling of tasks is performed through genetic algorithms based on the factors affecting task time, abnormal conditions, and resource conditions;

[0031] The task time includes the required time of each node;

[0032] The abnormal conditions include expediting, queue jumping, rejection or cancellation of tasks;

[0033] The resource status includes personnel, equipment, materials, methods and scenarios.

[0034] A method for supervising and managing chemical experiments in a power plant, the method comprising the following steps:

[0035] Implement comprehensive management of resource allocation that affects test results through resource supervision and management units, manage personnel job responsibilities, personnel changes, personnel training, and personnel qualification authorization, record the classification of test instruments and equipment, equipment supplier information, equipment use and maintenance records, equipment calibration and verification status, and equipment use status, manage test method standards and new search records, manage controlled and uncontrolled documents inside and outside the laboratory, including records of issuance, recovery, borrowing, and modification, manage test sample registration, sample circulation process, and storage records, control external support services and procurement processes, ensure that the purchased services meet quality management requirements, and include application for procurement plans, procurement acceptance records, lists of qualified suppliers, and supplier evaluation management;

[0036] Through the automatic data collection unit, according to the configuration of the laboratory instruments and equipment, the laboratory instruments and equipment are divided into three categories: instruments with a host computer, instruments without a host computer and with a data interface, and instruments without a host computer and without a data interface. The handheld terminal is used for real-time on-site collection of laboratory data. At the same time, it can be used to ensure the registration link of on-site sampling. According to the actual situation, it is divided into two sampling task association situations. For fixed sampling points, a statistical list is made and a sampling point QR code is formulated in a fixed area. When sampling, the sampling task entry is found using the handheld terminal, and the code is scanned. After completing the task association, the sampling operation is performed. For the case where the sampling point is not fixed, the on-site sampling photos are uploaded to the task for binding. The handheld terminal is used to take photos to leave traces, collect and record on-site photos or upload on-site original records and inspection results, so as to realize one-click upload of pictures or data;

[0037] The supervisory intelligent management and control unit centrally manages various scattered experimental sites, laboratory instruments and equipment, and test data, realizes digital traceability of laboratory operations, and provides task planning functions for regular laboratory tasks through the task management module. It sets automatic release of scheduled tasks according to the conditions of laboratory type, laboratory items and laboratory cycle, and provides manual dispatch mode for routine or temporary laboratory tasks to meet the needs of different laboratory scenarios. The task scheduling module subdivides task units according to inspection items and laboratory steps. Task units are associated with corresponding personnel, equipment and materials, and scheduling plans are output. The trend display and alarm module is used to collect and process key data serving the operation of equipment according to the indicators of chemical supervision of the power plant, and conduct statistical analysis and comparison to form a trend curve chart, so as to timely warn of abnormalities found in chemical supervision and ensure stable operation of equipment.

[0038] Compared with the prior art, the present invention has the following beneficial effects:

[0039] 1. In the present invention, by adopting the methods of automatic data collection, automatic review and judgment, and online quality control, the error rate of the detection process and the manual requirements of the test are reduced, the digital management of equipment ledgers and data reports is realized, and the time and workload of archival material sorting are reduced. By timely extraction of data, intelligent statistics and real-time trend display, according to the indicators of chemical supervision of the power plant, the key data serving the operation of the equipment are collected and processed, and statistical analysis and comparison are performed to form a trend curve chart, and the abnormalities found by chemical supervision are timely warned to ensure the stable operation of the equipment. The information sharing and circulation of data are transmitted through the Internet, so that the efficiency of information transmission is improved. Through the use of handheld terminals combined with QR codes, the on-site sampling process is online controllable, which is convenient for personnel to take samples and realize on-site inspection and real-time data uploading, and the online centralized management of decentralized detection sites is realized, the supervision and management effect is improved, and the difficulty of quality control in each link is reduced by establishing standardized operating procedures.

[0040] 2. In the present invention, by providing a task planning function for regular testing tasks, setting the scheduled tasks to be automatically released according to the test type, test items and test cycle conditions, and providing a manual dispatch mode for routine or temporary testing tasks to meet the needs of different testing scenarios, the use of the task scheduling module is combined with the factors affecting the task by task time, abnormal conditions and resource conditions. It can subdivide the task units according to inspection items and test steps, associate the task units with corresponding personnel, equipment and materials, and output the scheduling plan to improve the level of intelligent task management. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a functional block diagram of the system of the present invention. DETAILED DESCRIPTION

[0042] The technical solution of the present application is further described in detail below in conjunction with specific implementation methods.

[0043] As shown in the figure, the present invention provides a technical solution: a power plant chemical experiment supervision and management system, including an automatic data acquisition unit, a resource supervision and management unit and a supervision intelligent management and control unit, the resource supervision and management unit is bidirectionally connected to the automatic data acquisition unit, the automatic data acquisition unit is bidirectionally connected to the supervision intelligent management and control unit, the output ends of the supervision intelligent management and control unit and the automatic data acquisition unit are connected to a handheld terminal, the input end of the handheld terminal is connected to the output end of the resource supervision and management unit, the output end of the supervision intelligent management and control unit is connected to a trend display and alarm module, and the input end of the trend display and alarm module is connected to the input end of the resource supervision and management unit;

[0044] The resource supervision management unit includes a personnel management module, an equipment management module, a method management module, a document management module, a sample management module and a procurement management module;

[0045] The personnel management module includes the management of personnel job responsibilities, personnel changes, personnel training, and personnel qualification authorization;

[0046] The equipment management module is used to record the classification of laboratory instruments and equipment, the information of equipment suppliers, equipment use and maintenance records, equipment calibration and verification status, and equipment use status;

[0047] The method management module is used to manage the test method standards and new search records;

[0048] The document management module is used to manage the controlled and uncontrolled documents inside and outside the laboratory, and includes the records of issuance, recovery, borrowing and modification;

[0049] The sample management module is used to manage the registration of laboratory samples, the sample circulation process, and the storage records;

[0050] The procurement management module is used to control external support services and procurement processes so that the purchased services meet quality management requirements. It includes the application of procurement plans, procurement acceptance records, a list of qualified suppliers, and supplier evaluation management.

[0051] The supervisory intelligent control unit includes a PLC controller, a task management module and a task scheduling module. The PLC controller is bidirectionally connected to the task management module and the task scheduling module, and the PLC controller is bidirectionally connected to the automatic data acquisition unit.

[0052] The resource supervision and management unit is used to implement comprehensive management of resource allocation that affects the test results;

[0053] The automatic data acquisition unit is used to classify the laboratory instruments and equipment into three categories according to the configuration of the laboratory instruments and equipment: instruments with a host computer, instruments without a host computer but with a data interface, and instruments without a host computer but without a data interface;

[0054] The specific applications of the automatic data acquisition unit are as follows:

[0055] For instruments with a host computer: after the test is completed, the host computer generates and saves the data, and the system automatically collects the data to the supervisory intelligent control unit;

[0056] For instruments without a host computer and a data interface: there are two communication modes: serial port and network interface. When using a serial port communication instrument, after the sample analysis is completed, click print or send data on the instrument, and the data will be automatically sent to the supervisory intelligent management and control unit. When using a network interface communication instrument, data collection is achieved through network cables and switches and uploaded to the supervisory intelligent management and control unit.

[0057] For instruments without a host computer and data interface: personnel use a handheld terminal to scan the sample's barcode to select the test indicators, and then scan the instrument's barcode. The handheld terminal displays the associated original record sheet. After the test is completed, personnel directly enter the data results on the handheld terminal and take photos of the original data and upload them to the supervisory intelligent management and control unit.

[0058] The handheld terminal is used for real-time on-site collection of test data, and can also be used to ensure the registration of on-site sampling. It is divided into two sampling task-related situations according to the actual situation;

[0059] The specific applications of handheld terminals are as follows:

[0060] Scenario 1: For fixed sampling points, a list is compiled and a sampling point QR code is set in a fixed area. When sampling, the sampling task entry is found using a handheld terminal, and the code is scanned. After the task association is completed, the sampling operation is performed;

[0061] Scenario 2: When the sampling point is not fixed, the on-site sampling photos are uploaded to the task for binding, and photos are taken through a handheld terminal to leave traces, collect and record on-site photos or upload original on-site records and inspection results, so that pictures or data can be uploaded with one click.

[0062] The supervisory intelligent control unit is used to centrally manage the dispersed experimental sites, laboratory instruments and equipment, and test data, so as to realize the digital traceability of laboratory operations and enable traceability;

[0063] The task management module is used to provide task planning functions for regular test tasks, set up automatic release of scheduled tasks according to test type, test item and test cycle conditions, and provide manual dispatch mode for routine or temporary test tasks to meet the needs of different test scenarios;

[0064] The task scheduling module is used to subdivide task units according to inspection items and test steps. Task units are associated with corresponding personnel, equipment and materials, and the scheduling plan is output;

[0065] The specific applications of the task scheduling module are as follows:

[0066] Intelligent scheduling of tasks is performed through genetic algorithms based on the factors affecting task time, abnormal conditions, and resource conditions;

[0067] The task time includes the required time of each node;

[0068] Abnormal situations include expediting tasks, jumping the queue, returning or canceling them;

[0069] Resource status includes people, equipment, materials, methods, and scenarios.

[0070] The trend display and alarm module collects and processes key data serving the operation of the equipment according to the indicators of chemical supervision of the power plant, and performs statistical analysis and comparison to form a trend curve chart, so as to promptly warn of abnormalities discovered by chemical supervision and ensure stable operation of the equipment.

[0071] A method for supervising and managing chemical experiments in a power plant, the method comprising the following steps:

[0072] Implement comprehensive management of resource allocation that affects test results through resource supervision and management units, manage personnel job responsibilities, personnel changes, personnel training, and personnel qualification authorization, record the classification of test instruments and equipment, equipment supplier information, equipment use and maintenance records, equipment calibration and verification status, and equipment use status, manage test method standards and new search records, manage controlled and uncontrolled documents inside and outside the laboratory, including records of issuance, recovery, borrowing, and modification, manage test sample registration, sample circulation process, and storage records, control external support services and procurement processes, ensure that the purchased services meet quality management requirements, and include application for procurement plans, procurement acceptance records, lists of qualified suppliers, and supplier evaluation management;

[0073] Through the automatic data collection unit, according to the configuration of the laboratory instruments and equipment, the laboratory instruments and equipment are divided into three categories: instruments with a host computer, instruments without a host computer and with a data interface, and instruments without a host computer and without a data interface. The handheld terminal is used for real-time on-site collection of laboratory data. At the same time, it can be used to ensure the registration link of on-site sampling. According to the actual situation, it is divided into two sampling task association situations. For fixed sampling points, a statistical list is made and a sampling point QR code is formulated in a fixed area. When sampling, the sampling task entry is found using the handheld terminal, and the code is scanned. After completing the task association, the sampling operation is performed. For the case where the sampling point is not fixed, the on-site sampling photos are uploaded to the task for binding. The handheld terminal is used to take photos to leave traces, collect and record on-site photos or upload on-site original records and inspection results, so as to realize one-click upload of pictures or data;

[0074] The supervisory intelligent management and control unit centrally manages various scattered experimental sites, laboratory instruments and equipment, and test data, realizes digital traceability of laboratory operations, and provides task planning functions for regular laboratory tasks through the task management module. It sets automatic release of scheduled tasks according to the conditions of laboratory type, laboratory items and laboratory cycle, and provides manual dispatch mode for routine or temporary laboratory tasks to meet the needs of different laboratory scenarios. The task scheduling module subdivides task units according to inspection items and laboratory steps. Task units are associated with corresponding personnel, equipment and materials, and scheduling plans are output. The trend display and alarm module is used to collect and process key data serving the operation of equipment according to the indicators of chemical supervision of the power plant, and conduct statistical analysis and comparison to form a trend curve chart, so as to timely warn of abnormalities found in chemical supervision and ensure stable operation of equipment.

[0075] In the description of the present invention, it is necessary to understand that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0076] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0077] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0078] In the present invention, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more schemes or examples in a suitable manner.

Claims

1. A power plant chemical experiment supervision and management system, including an automatic data acquisition unit, a resource supervision and management unit and a supervision intelligent management and control unit, characterized in that: The resource supervision management unit is bidirectionally connected to the automatic data collection unit, the automatic data collection unit is bidirectionally connected to the supervisory intelligent management and control unit, the output ends of the supervisory intelligent management and control unit and the automatic data collection unit are connected to a handheld terminal, the input end of the handheld terminal is connected to the output end of the resource supervision management unit, the output end of the supervisory intelligent management and control unit is connected to a trend display and alarm module, and the input end of the trend display and alarm module is connected to the input end of the resource supervision management unit; The resource supervision management unit includes a personnel management module, an equipment management module, a method management module, a document management module, a sample management module and a procurement management module; The supervisory intelligent management and control unit includes a PLC controller, a task management module and a task scheduling module, the PLC controller is bidirectionally connected to the task management module and the task scheduling module, and the PLC controller is bidirectionally connected to the automatic data acquisition unit; The resource supervision and management unit is used to implement comprehensive management of resource configuration that affects the test results; The automatic data acquisition unit is used to classify the laboratory instruments into three categories according to the configuration of the laboratory instruments: instruments with a host computer, instruments without a host computer but with a data interface, and instruments without a host computer but without a data interface; The handheld terminal is used for real-time on-site collection of test data, and can also be used to ensure the registration of on-site sampling. It is divided into two sampling task association situations according to actual conditions; The supervisory intelligent control unit is used to centrally manage the various scattered experimental sites, laboratory instruments and equipment, and test data, so as to realize the digital traceability of the laboratory operation and enable traceability; The trend display and alarm module collects and processes key data serving the operation of the equipment according to the indicators of chemical supervision of the power plant, and performs statistical analysis and comparison to form a trend curve chart, so as to timely warn of abnormalities discovered by chemical supervision and ensure stable operation of the equipment.

2. A power plant chemical experiment supervision and management system according to claim 1, characterized in that: The personnel management module includes management of personnel job responsibilities, personnel changes, personnel training and personnel qualification authorization; The equipment management module is used to record the classification of laboratory instruments and equipment, the information of equipment suppliers, equipment use and maintenance records, equipment calibration and verification status, and equipment use status; The method management module is used to manage the test method standards and novelty search records; The document management module is used to manage the controlled and uncontrolled documents inside and outside the laboratory, and includes records of issuance, recovery, borrowing and modification; The sample management module is used to manage the registration of test samples, the sample circulation process, and the storage records; The procurement management module is used to control external support services and procurement processes so that the purchased services meet quality management requirements, and includes procurement plan applications, procurement acceptance records, a list of qualified suppliers, and supplier evaluation management.

3. A power plant chemical experiment supervision and management system according to claim 1, characterized in that: The specific application of the automatic data acquisition unit is as follows: For instruments with a host computer: after the test is completed, the host computer generates and saves the data, and the system automatically collects the data to the supervisory intelligent control unit; For instruments without a host computer and a data interface: there are two communication modes: serial port and network interface. When using a serial port communication instrument, after the sample analysis is completed, click print or send data on the instrument, and the data will be automatically sent to the supervisory intelligent management and control unit. When using a network interface communication instrument, data collection is achieved through network cables and switches and uploaded to the supervisory intelligent management and control unit. For instruments without a host computer and data interface: personnel use a handheld terminal to scan the sample's barcode to select the test indicators, and then scan the instrument's barcode. The handheld terminal displays the associated original record sheet. After the test is completed, personnel directly enter the data results on the handheld terminal and take photos of the original data and upload them to the supervisory intelligent management and control unit.

4. A power plant chemical experiment supervision and management system according to claim 1, characterized in that: The specific applications of the handheld terminal are as follows: Scenario 1: For fixed sampling points, a list is compiled and a sampling point QR code is set in a fixed area. When sampling, the sampling task entry is found using a handheld terminal, and the code is scanned. After the task association is completed, the sampling operation is performed; Scenario 2: When the sampling point is not fixed, the on-site sampling photos are uploaded to the task for binding, and photos are taken through a handheld terminal to leave traces, collect and record on-site photos or upload original on-site records and inspection results, so that pictures or data can be uploaded with one click.

5. A power plant chemical experiment supervision and management system according to claim 1, characterized in that: The task management module is used to provide task planning functions for regular test tasks, set up automatic release of scheduled tasks according to the conditions of test type, test item and test cycle, and provide manual dispatch mode for routine or temporary test tasks to meet the needs of different test scenarios.

6. A power plant chemical experiment supervision and management system according to claim 1, characterized in that: The task scheduling module is used to subdivide task units according to inspection items and test steps, associate task units with corresponding personnel, equipment and materials, and output a scheduling plan; The specific application of the task scheduling module is as follows: Intelligent scheduling of tasks is performed through genetic algorithms based on the factors affecting task time, abnormal conditions, and resource conditions; The task time includes the required time of each node; The abnormal conditions include expediting, queue jumping, rejection or cancellation of tasks; The resource status includes personnel, equipment, materials, methods and scenarios.

7. A method for supervising and managing chemical experiments in a power plant, according to a system for supervising and managing chemical experiments in a power plant according to any one of claims 1 to 6, characterized in that: The management method comprises the following steps: Implement comprehensive management of resource allocation that affects test results through resource supervision and management units, manage personnel job responsibilities, personnel changes, personnel training, and personnel qualification authorization, record the classification of test instruments and equipment, equipment supplier information, equipment use and maintenance records, equipment calibration and verification status, and equipment use status, manage test method standards and new search records, manage controlled and uncontrolled documents inside and outside the laboratory, including records of issuance, recovery, borrowing, and modification, manage test sample registration, sample circulation process, and storage records, control external support services and procurement processes, ensure that the purchased services meet quality management requirements, and include application for procurement plans, procurement acceptance records, lists of qualified suppliers, and supplier evaluation management; Through the automatic data collection unit, according to the configuration of the laboratory instruments and equipment, the laboratory instruments and equipment are divided into three categories: instruments with a host computer, instruments without a host computer and with a data interface, and instruments without a host computer and without a data interface. The handheld terminal is used for real-time on-site collection of laboratory data. At the same time, it can be used to ensure the registration link of on-site sampling. According to the actual situation, it is divided into two sampling task association situations. For fixed sampling points, a statistical list is made and a sampling point QR code is formulated in a fixed area. When sampling, the sampling task entry is found using the handheld terminal, and the code is scanned. After completing the task association, the sampling operation is performed. For the case where the sampling point is not fixed, the on-site sampling photos are uploaded to the task for binding. The handheld terminal is used to take photos to leave traces, collect and record on-site photos or upload on-site original records and inspection results, so as to realize one-click upload of pictures or data; The supervisory intelligent management and control unit centrally manages various scattered experimental sites, laboratory instruments and equipment, and test data, realizes digital traceability of laboratory operations, and provides task planning functions for regular laboratory tasks through the task management module. It sets automatic release of scheduled tasks according to the conditions of laboratory type, laboratory items and laboratory cycle, and provides manual dispatch mode for routine or temporary laboratory tasks to meet the needs of different laboratory scenarios. The task scheduling module subdivides task units according to inspection items and laboratory steps. Task units are associated with corresponding personnel, equipment and materials, and scheduling plans are output. The trend display and alarm module is used to collect and process key data serving the operation of equipment according to the indicators of chemical supervision of the power plant, and conduct statistical analysis and comparison to form a trend curve chart, so as to timely warn of abnormalities found in chemical supervision and ensure stable operation of equipment.

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