Mine corrosion big data platform and use method
By establishing a mine corrosion big data platform, the corrosion data is collected, analyzed and applied, the harm problems of mine corrosion to equipment and materials have been solved, scientific management and prevention of corrosion hazards have been achieved, and the service life of equipment and materials and the safety of workers have been improved.
Patent Information
- Application Number
- CN202411933821.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-04-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During mining, corrosion is extremely harmful to equipment and materials, resulting in equipment damage, failure of support, economic losses and workers' lives and safety.
Provide a mine corrosion big data platform, including the basic data layer, data acquisition layer, data analysis layer, data application layer and data sharing layer, which is used to collect, analyze and apply mine corrosion data, and carry out corrosion safety level mapping, risk assessment and prevention and control management.
Through systematic data collection, analysis and application, reduce the harm of mine corrosion, enrich corrosion knowledge, provide scientific guidance for mine corrosion prevention and control, improve the service life of equipment and materials, and ensure the safety of workers.
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Figure CN119807665A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of mine safety and corrosion protection, and in particular to a mine corrosion big data platform and a use method thereof. Background Art
[0002] The mining process is often inseparable from the use of machinery and equipment and support materials. Mine corrosion is extremely harmful to equipment and materials. Under the dual effects of corrosion factors and stress, the corrosion rate of machinery and equipment and support materials is accelerated, the degree of corrosion is aggravated, and the service life is shortened, causing great economic losses. On the one hand, the equipment damage and support failure caused by corrosion lead to regular maintenance and replacement costs and production stoppage costs; on the other hand, the lives of workers are endangered. When the mine support materials are corroded, the strength is reduced and the support fails, which leads to the danger of roof collapse and slab collapse. When the wire ropes and cages of the mine transportation system are corroded, it may also cause transportation accidents. Summary of the invention
[0003] In view of this, an embodiment of the present invention provides a mine corrosion big data platform and a method of use, which can reduce the hazards of mine corrosion, enrich mine corrosion knowledge, and provide scientific guidance for mine corrosion prevention and control.
[0004] In the first aspect, an embodiment of the present invention provides a mine corrosion big data platform, including: a basic data layer, a data acquisition layer, a data analysis layer, a data application layer and a data sharing layer; the basic data layer is used to collect the basic properties of mining equipment, materials and corrosion factors and theoretical knowledge related to mine corrosion, including a mine corrosion knowledge base module and a mine corrosion publication module; the data acquisition layer is used to collect corrosion data of various mines, various regions of mines and various corrosion environments in my country, including a mine corrosion data monitoring module and a corrosion test data acquisition module; the data analysis layer is used to analyze the collected mine corrosion data to obtain corrosion conditions, corrosion laws and corrosion behaviors, including a corrosion law research module, a corrosion grading and classification module and a corrosion behavior research module; the data application layer is used to draw a corrosion safety level map, perform corrosion fracture failure risk assessment and corrosion prevention and control management on mine corrosion, including a corrosion safety level map module, a corrosion failure risk assessment module and a prevention and control management strategy module; the data sharing layer is used for individuals or enterprises to upload and download various types of mine corrosion data to achieve data sharing, including a data upload module and a data download module.
[0005] In one embodiment, the basic data layer includes a mine corrosion knowledge base module and a mine corrosion publication module. The mine corrosion knowledge base module includes a mine corrosion basic knowledge sub-module and a mine equipment and material sub-module. The mine corrosion basic knowledge sub-module is used to introduce the basic theoretical knowledge of mine corrosion, and the mine equipment and material sub-module is used to introduce the properties and usage methods of various types of mine equipment and materials; the mine corrosion publication module includes a mine corrosion research paper sub-module, a mine corrosion patent sub-module, a mine corrosion standard sub-module, and a mine corrosion test report sub-module, which are respectively used to collect and display standards, papers, patents, and test reports related to mine corrosion.
[0006] In one embodiment, the data acquisition layer includes a mine corrosion data monitoring module and a corrosion test data acquisition module. The mine corrosion data monitoring module includes a mine basic information collection submodule, a stress strain monitoring submodule, a mine water environment monitoring submodule and a mine atmospheric environment monitoring submodule. The mine basic information collection submodule is used to collect and store mine basic information, such as mine profile, tunnel and support type, and service life. The stress strain monitoring submodule is used to monitor, collect and store stress strain data information of support materials and rock formations. The mine water environment monitoring submodule is used to monitor, collect and store various corrosion factors in the mine water environment where mine machinery and equipment and support materials are in service. The mine atmosphere environment monitoring submodule is used to monitor, collect and store various corrosion factor data information in the mine atmosphere environment where mine machinery and equipment and support materials are in service; the corrosion test data acquisition module includes a laboratory corrosion test data acquisition submodule and a field corrosion test data acquisition submodule. The laboratory corrosion test data acquisition submodule is used to collect and store data of mine corrosion simulation tests and mine material corrosion tests. The laboratory corrosion test includes chemical immersion test, simulated corrosion test, accelerated corrosion test, electrochemical corrosion test and local corrosion test. The field corrosion test data acquisition submodule is used to collect and store relevant data of in-situ corrosion of mine materials.
[0007] In one embodiment, the data analysis layer includes a corrosion law research module, a corrosion grading and classification module, and a stress corrosion behavior research module. The corrosion law research module is used to analyze the collected mine corrosion data, analyze the corrosion laws and mechanisms of the materials, and determine typical corrosion conditions and high-risk corrosion modes; the corrosion grading and classification module can analyze and obtain the corrosion types and corrosion levels of different mines and different areas of the same mine, and the distribution of highly corrosive environments based on the collected data; the stress corrosion behavior research module studies the stress corrosion behavior laws, mechanisms and main influencing factors of anchor support materials, such as anchor rods, anchor cables, and trays in different corrosion environments through data analysis.
[0008] In one embodiment, the data application layer includes a corrosion safety level map module, a corrosion failure risk assessment module, and a corrosion prevention and control management strategy module. The corrosion safety level map module includes a national mine corrosion safety level map submodule and a mine area corrosion safety level map submodule. The national mine corrosion safety level map submodule can establish a national mine corrosion safety level map based on the corrosion types and corrosion levels of different mines analyzed by the corrosion grading and classification module of the data analysis layer. The mine area corrosion safety level map submodule can establish a mine area corrosion safety level map based on the corrosion types and corrosion levels of different areas of the same mine analyzed by the corrosion grading and classification module of the data analysis layer; the corrosion failure risk assessment module includes a stress corrosion failure assessment submodule, an electrochemical corrosion failure assessment submodule, a microbial corrosion failure assessment submodule and a comprehensive corrosion failure assessment submodule. The stress corrosion failure assessment submodule analyzes stress corrosion influencing factors such as stress and strain based on the data analysis layer to obtain stress corrosion laws and stress corrosion behaviors, and assesses the risk of stress corrosion failure of the material. The electrochemical corrosion failure assessment submodule is based on data The analysis layer analyzes the influencing factors of electrochemical corrosion such as corrosion current density and corrosion potential, obtains the electrochemical corrosion law and electrochemical corrosion behavior, and evaluates the risk of electrochemical corrosion failure of the material. The microbial corrosion failure assessment submodule analyzes the influencing factors of microbial corrosion such as the number and activity of iron bacteria and sulfate-reducing bacteria based on the data analysis layer, obtains the microbial corrosion law and microbial corrosion behavior, and evaluates the risk of microbial corrosion failure of the material; the corrosion prevention and control management strategy module includes a material and design strategy submodule, a surface treatment and protection measures module, an environment and operation control submodule, and a monitoring and management strategy submodule. The material and design strategy submodule includes selecting corrosion-resistant materials, alloying materials, avoiding dead corners and effusion, and using appropriate geometric shapes. The surface treatment and protection measures submodule includes coating protection, metal plating, anodic protection, and cathodic protection. The environment and operation control submodule includes controlling environmental humidity, removing corrosive substances, preventive maintenance, regular inspection, cleaning and descaling, using lubricants, and adding corrosion inhibitors. The monitoring and management strategy submodule includes corrosion monitoring, non-destructive testing, formulating corrosion management plans, employee training, and formulating emergency plans.
[0009] In one embodiment, the data sharing layer includes a data upload module and a data download module, which are used by individual users and corporate users to upload and download data related to mine corrosion, thereby promoting information circulation and data sharing. The data upload module allows users to conveniently upload data related to mine corrosion to the sharing platform; the data download module allows users to obtain the required mine corrosion data from the sharing platform through this module, thereby realizing the mutual sharing of mine corrosion data.
[0010] In the second aspect, an embodiment of the present invention provides a method for using a mine corrosion big data platform, including: collecting mine corrosion data; analyzing corrosion conditions, corrosion laws and stress corrosion behaviors based on the collected mine corrosion data; applying the analysis results of the mine corrosion data to draw corrosion safety level maps, conduct corrosion fracture failure risk assessments, and corrosion prevention and control management; sharing the mine corrosion data and the analysis and application results based on the mine corrosion data and / or uploading new mine corrosion data.
[0011] In one embodiment, before collecting the mine corrosion data, the steps include: determining the collection scope of the mine corrosion basic data based on the basic theory of mine corrosion, and the properties and usage methods of mine equipment and materials; determining the type of the mine corrosion basic data, the type of the mine corrosion basic data includes at least one of the following: standards, papers, patents, and test reports; and collecting mine corrosion basic data of the type of the mine corrosion basic data within the collection scope of the mine corrosion basic data.
[0012] In one embodiment, the collection of mine corrosion data includes: collecting mine on-site corrosion data and / or collecting mine corrosion laboratory data; wherein, the collection of mine on-site corrosion data includes: determining the area range for collecting the mine corrosion data; selecting representative monitoring points within the area range for collecting the mine corrosion data; collecting basic mine information, wherein the mine basic information includes support materials and service years; collecting stress and strain data information of the support materials and rock formations; collecting data information of various corrosion factors in the mine water environment and atmospheric environment where mining machinery and equipment and the support materials are in service; the collection of mine corrosion laboratory data includes: simulating a mine corrosion environment in a laboratory; collecting corrosion test data of mine materials by at least one test method, wherein the test methods include: chemical immersion test, simulated corrosion test, accelerated corrosion test, electrochemical corrosion test and local corrosion test methods; collecting corrosion test data of the mine materials in the on-site environment.
[0013] In one embodiment, the corrosion condition analysis based on the collected mine corrosion data includes: determining the area for corrosion condition analysis; calculating the water environment corrosion value of the mine corrosion in the area based on the collected data; determining the water environment corrosion level of the area based on the water environment corrosion value of the mine corrosion; calculating the atmospheric environment corrosion value of the area based on the collected data; determining the atmospheric environment corrosion level of the area based on the atmospheric environment corrosion value of the mine corrosion; and determining the distribution of highly corrosive environments of the water environment and atmospheric environment in the area.
[0014] In one embodiment, the corrosion law is analyzed based on the collected mine corrosion data, including: calculating the corrosion rate based on the collected mine corrosion data; calculating the corrosion depth within a period of time based on the corrosion rate; using the principal component analysis algorithm to extract key influencing factors, analyze the corrosion law and mechanism; and determine typical corrosion conditions and high-risk corrosion modes.
[0015] In one embodiment, the stress corrosion behavior is analyzed based on the collected mine corrosion data, including: determining the material that undergoes stress corrosion behavior; dividing the stress corrosion fracture stress change by the yield strength of the material to obtain a stress corrosion sensitivity coefficient; calculating the stress corrosion crack growth rate of the material based on the material data in the collected mine corrosion data; calculating the stress corrosion fracture time of the material based on the material data in the collected mine corrosion data; and determining the stress corrosion behavior law and mechanism of the material under different corrosion environments.
[0016] In one embodiment, the application of the analysis results of the mine corrosion data to draw a corrosion safety level map includes: determining the area for drawing the corrosion safety level map; calculating the water environment corrosion value of the mine corrosion in the area based on the collected data; determining the water environment corrosion level of the area based on the water environment corrosion value of the mine corrosion; calculating the atmospheric environment corrosion value of the area based on the collected data; determining the atmospheric environment corrosion level of the area based on the atmospheric environment corrosion value of the mine corrosion; and establishing a safety level map of the area based on the water environment and atmospheric environment corrosion levels of the area.
[0017] In one embodiment, the application of the analysis results of the mine corrosion data to perform corrosion fracture failure risk assessment includes: based on the analysis results of corrosion laws and stress corrosion behavior, obtaining stress corrosion laws and stress corrosion behaviors, and assessing the risk of stress corrosion failure of materials; based on the analysis results of corrosion laws and stress corrosion behaviors, obtaining electrochemical corrosion laws and electrochemical corrosion behaviors, and assessing the risk of electrochemical corrosion failure of materials; based on the analysis results of corrosion laws and stress corrosion behaviors, obtaining microbial corrosion laws and microbial corrosion behaviors, and assessing the risk of microbial corrosion failure of materials.
[0018] In one embodiment, the application of the analysis results of the mine corrosion data to perform corrosion prevention and control management includes: corrosion prevention and control management based on materials and design strategies, surface treatment and protection measures, environment and operation control, and monitoring and management strategies; wherein the materials and design strategies include selecting corrosion-resistant materials, material alloying, avoiding dead corners and fluid accumulation, and using appropriate geometric shapes; the surface treatment and protection measures include coating protection, metal plating, anodic protection, and cathodic protection; the environment and operation control includes controlling ambient humidity, removing corrosive substances, preventive maintenance, regular inspections, cleaning and descaling, using lubricants, and adding corrosion inhibitors; the monitoring and management strategies include corrosion monitoring, non-destructive testing, formulating corrosion management plans, employee training, and formulating emergency plans.
[0019] The mine corrosion big data platform and use method provided in the embodiments of the present invention cleverly utilize the mine corrosion big data platform to collect, store, analyze, apply and share mine corrosion data, filling the gap in the shared mine corrosion database; by comprehensively and systematically collecting mine corrosion data, analyzing the mine corrosion status, corrosion laws and stress corrosion behavior based on the collected mine corrosion data, and drawing mine corrosion safety level maps, corrosion fracture failure risk assessment, corrosion prevention and control management, and data sharing, it is possible to reduce the hazards of mine corrosion and provide scientific guidance for mine corrosion prevention and control. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0021] Figure 1 A schematic diagram of a mine corrosion big data platform provided by an embodiment of the present invention;
[0022] Figure 2 A schematic diagram of the basic data layer of the mine corrosion big data platform provided by an embodiment of the present invention;
[0023] Figure 3 A schematic diagram of a data collection layer of a mine corrosion big data platform provided by an embodiment of the present invention;
[0024] Figure 4 A schematic diagram of the data application layer of the mine corrosion big data platform provided by an embodiment of the present invention;
[0025] Figure 5 A flow chart of a method for using the mine corrosion big data platform provided by an embodiment of the present invention; DETAILED DESCRIPTION
[0026] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.
[0027] It should be clear that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0028] In the first aspect, an embodiment of the present invention provides a mine corrosion big data platform, such as Figure 1 As shown, it includes: a basic data layer 4, a data acquisition layer 5, a data analysis layer 6, a data application layer 7 and a data sharing layer 8; the basic data layer 4 is used to collect the basic properties of mining equipment, materials and corrosion factors and theoretical knowledge related to mining corrosion, including a mining corrosion knowledge base module 9 and a mining corrosion publication module 10; the data acquisition layer 5 is used to collect corrosion data of various mines, various regions of mines and various corrosion environments in my country, including a mining corrosion data monitoring module 11 and a corrosion test data acquisition module 12; the data analysis layer 6 is used to analyze the collected mining corrosion data to obtain corrosion conditions, corrosion laws and corrosion behaviors , including a corrosion law research module 13, a corrosion classification module 14 and a corrosion behavior research module 15; the data application layer is used to draw a corrosion safety level map, corrosion fracture failure risk assessment and corrosion prevention and control management for mine corrosion, including a corrosion safety level map module 16, a corrosion failure risk assessment module 17, and a prevention and control management strategy module 18; the data sharing layer 8 is used for individuals or enterprises to upload and download various types of mine corrosion data to achieve data sharing, including a data upload module 19 and a data download module 20; the mine corrosion big data platform 1 provided by the present invention can reduce the hazards of mine corrosion and enrich mine corrosion knowledge.
[0029] Preferably, in combination with the above scheme, Figure 1 and Figure 2 As shown, the basic data layer 4 includes a mine corrosion knowledge base module 9 and a mine corrosion publication module 10; the mine corrosion knowledge base module 9 includes a mine corrosion basic knowledge sub-module 21 and a mine equipment and material sub-module 22, the mine corrosion basic knowledge sub-module 21 is used to introduce the basic theoretical knowledge of mine corrosion, and the mine equipment and material sub-module 22 is used to introduce the properties and usage methods of various types of mine equipment and materials; the mine corrosion publication module 10 includes a mine corrosion research paper sub-module 23, a mine corrosion patent sub-module 24, a mine corrosion standard sub-module 25, and a mine corrosion test report sub-module 26, which are respectively used to collect and display standards, papers, patents, and test reports related to mine corrosion.
[0030] Preferably, in combination with the above scheme, Figure 1 and Figure 3 As shown, the data acquisition layer 5 includes a mine corrosion data monitoring module 11 and a corrosion test data acquisition module 12; the mine corrosion data monitoring module includes a mine basic information collection submodule 27, a stress strain monitoring submodule 28, a mine water environment monitoring submodule 29 and a mine atmospheric environment monitoring submodule 30, the mine basic information collection submodule 27 is used to collect and store mine basic information, such as mine profile, tunnel and support type, service life, the stress strain monitoring submodule 28 is used to monitor, collect and store stress strain data information of support materials and rock formations, and the mine water environment monitoring submodule 29 is used to monitor, collect and store various corrosion factors in the mine water environment where mine machinery and equipment and support materials are in service Data information, the mine atmosphere environment monitoring submodule 30 is used to monitor, collect and store various corrosion factor data information in the mine atmosphere environment where mine machinery and equipment and support materials are in service; the corrosion test data acquisition module 12 includes a laboratory corrosion test data acquisition submodule 31 and a field corrosion test data acquisition submodule 32. The laboratory corrosion test data acquisition submodule 31 is used to collect and store data of mine corrosion simulation tests and mine material corrosion tests. The laboratory corrosion test includes chemical immersion test, simulated corrosion test, accelerated corrosion test, electrochemical corrosion test and local corrosion test. The field corrosion test data acquisition submodule 32 is used to collect and store relevant data of in-situ corrosion of mine materials.
[0031] Preferably, in combination with the above scheme, Figure 1 As shown, the data analysis layer 7 includes a corrosion law research module 13, a corrosion grading and classification module 14 and a stress corrosion behavior research module 15; the corrosion law research module 13 is used to analyze the collected mine corrosion data, analyze the corrosion law and mechanism of the material, and determine the typical corrosion conditions and high-risk corrosion modes; the corrosion grading and classification module 14 can analyze and obtain the corrosion types and corrosion levels of different mines and different areas of the same mine, and the distribution of highly corrosive environments based on the collected data; the stress corrosion behavior research module 15 studies the stress corrosion behavior laws, mechanisms and main influencing factors of anchor support materials, such as anchor rods, anchor cables and trays in different corrosion environments through data analysis.
[0032] Preferably, in combination with the above scheme, Figure 1 and Figure 4As shown, the data application layer 7 includes a corrosion safety level map module 16, a corrosion failure risk assessment module 17, and a corrosion prevention and control management strategy module 18; the corrosion safety level map module 16 includes a national mine corrosion safety level map submodule 33 and a mine regional corrosion safety level map submodule 34. The national mine corrosion safety level map submodule 33 can establish a national mine corrosion safety level map based on the corrosion types and corrosion levels of different mines analyzed by the corrosion classification module of the data analysis layer, and the mine regional corrosion safety level map submodule 34 can establish a national mine corrosion safety level map based on the corrosion types and corrosion levels of different mines analyzed by the corrosion classification module of the data analysis layer. The corrosion types and corrosion levels in different areas of the mountain are used to establish a corrosion safety level map for each area of the mine; the corrosion failure risk assessment module 17 includes a stress corrosion failure assessment submodule 35, an electrochemical corrosion failure assessment submodule 36, a microbial corrosion failure assessment submodule 37 and a comprehensive corrosion failure assessment submodule 38. The stress corrosion failure assessment submodule 35 analyzes stress corrosion influencing factors such as stress and strain based on the data analysis layer, obtains stress corrosion laws and stress corrosion behaviors, and evaluates the risk of stress corrosion failure of the material. The electrochemical corrosion failure assessment submodule 36 analyzes electrochemical corrosion influencing factors such as corrosion current density and corrosion potential based on the data analysis layer. The electrochemical corrosion law and electrochemical corrosion behavior are obtained, and the risk of electrochemical corrosion failure of the material is evaluated. The microbial corrosion failure evaluation submodule 37 analyzes the microbial corrosion influencing factors such as the number and activity of iron bacteria and sulfate-reducing bacteria based on the data analysis layer to obtain the microbial corrosion law and microbial corrosion behavior, and evaluate the risk of microbial corrosion failure of the material. The comprehensive corrosion failure evaluation submodule 38 comprehensively considers the stress corrosion influencing factors, electrochemical corrosion influencing factors, and microbial corrosion influencing factors to evaluate the risk of corrosion failure of the material; the corrosion prevention and control management strategy module 18 includes the material and design strategy submodule 39, the surface treatment and protection measures module 40. Environment and operation control submodule 41 and monitoring and management strategy submodule 42. The material and design strategy submodule 39 includes the selection of corrosion-resistant materials, material alloying, avoiding dead corners and liquid accumulation, and using appropriate geometric shapes. The surface treatment and protection measures submodule 40 includes coating protection, metal plating, anodic protection, and cathodic protection. The environment and operation control submodule 41 includes controlling environmental humidity, removing corrosive substances, preventive maintenance, regular inspection, cleaning and descaling, using lubricants, and adding corrosion inhibitors. The monitoring and management strategy submodule 42 includes corrosion monitoring, non-destructive testing, formulating corrosion management plans, employee training, and formulating emergency plans.
[0033] Preferably, in combination with the above scheme, Figure 1As shown, the data sharing layer 8 includes a data upload module 19 and a data download module 20, which are used by individual users and corporate users to upload and download data related to mine corrosion, thereby promoting information circulation and data sharing; the data upload module 19 allows users to conveniently upload data related to mine corrosion to the sharing platform; the data download module 10 allows users to obtain the required mine corrosion data from the sharing platform through this module, thereby realizing the mutual sharing of mine corrosion data.
[0034] In a second aspect, an embodiment of the present invention provides a method for using a mine corrosion big data platform, such as Figure 5 As shown, including:
[0035] S11, collect mine corrosion data.
[0036] In this step, mine corrosion data is collected. In data collection, various methods such as automatic monitoring stations, remote sensing monitoring, mobile monitoring and manual monitoring can be used for data collection. Mine corrosion data includes coal mine corrosion data and non-coal mine corrosion data. Collect corrosion data from various mines, various areas of mines, and various corrosion environments in my country. Mine corrosion data can include mine corrosion data and corrosion test data. Collect basic mine information such as mine overview, tunnel and support types, and service life; collect stress and strain data information of support materials and rock formations; collect and store various types of corrosion factor data information in the mine water environment where mining machinery and equipment and support materials are in service, etc. It should be noted that the quantity and quality of collected mine corrosion data affect subsequent analysis and application.
[0037] S12, analyzing the corrosion status, corrosion rules and stress corrosion behavior based on the collected mine corrosion data.
[0038] After collecting the mine corrosion data, in this step, the corrosion conditions, corrosion laws and stress corrosion behaviors are analyzed based on the collected mine corrosion data. For example, by analyzing the corrosion conditions, the strong corrosion levels and distribution of water environments and atmospheric environments in different mines and different areas of the same mine can be determined. By analyzing the corrosion laws, key influencing factors can be extracted, corrosion laws and mechanisms can be analyzed, and typical corrosion conditions and high-risk corrosion modes can be determined. By analyzing the stress corrosion behavior, the stress corrosion behavior laws, mechanisms and main influencing factors of anchor support materials, such as anchor rods, anchor cables and trays, in different corrosion environments can be studied.
[0039] In this step, based on the collected mine corrosion data, the corrosion status, corrosion law and stress corrosion behavior are analyzed, and services are also provided for subsequent data applications. For example, based on the analysis of the corrosion status, the strong corrosiveness level and distribution of the water environment and atmospheric environment in different mines and different areas of the same mine can be determined. Using the corrosion status analysis results, a corrosion safety level map can be drawn.
[0040] S13, using the analysis results of the mine corrosion data to draw a corrosion safety level map, conduct corrosion fracture failure risk assessment, and corrosion prevention and control management.
[0041] In this step, the analysis results of the mine corrosion data can be used to draw a corrosion safety level map, assess the risk of corrosion fracture failure, and manage corrosion prevention and control. Specifically, a safety level map of the area can be established based on the analysis results of the corrosion levels of the water environment and the atmospheric environment in the area; the stress corrosion failure risk of the material can be assessed based on the stress corrosion laws and stress corrosion behavior analysis results; the electrochemical corrosion laws and electrochemical corrosion behaviors can be obtained based on the corrosion laws and stress corrosion behavior analysis results to assess the risk of electrochemical corrosion failure of the material; the microbial corrosion laws and microbial corrosion behaviors can be obtained based on the corrosion laws and stress corrosion behavior analysis results to assess the risk of microbial corrosion failure of the material; and corrosion prevention and control management can be carried out based on material and design strategies, surface treatment and protection measures, environment and operation control, monitoring and management strategies.
[0042] S14, sharing the mine corrosion data and analysis and application results based on the mine corrosion data and / or uploading new mine corrosion data.
[0043] In this step, data sharing includes data uploading and data downloading, which allows individual users and corporate users to upload and download data related to mine corrosion, thereby promoting information circulation and data sharing. In specific implementation, data related to mine corrosion, analysis and application results can be downloaded, new mine corrosion data can be uploaded, and the mine corrosion data collection and use method provided by the present invention can be used to upload, analyze and apply the data.
[0044] The mine corrosion data collection and use method provided in the embodiment of the present invention can reduce the mine corrosion hazards, enrich the mine corrosion knowledge, and provide scientific guidance for mine corrosion prevention and control by comprehensively and systematically collecting the mine corrosion data, analyzing the mine corrosion status, corrosion laws and stress corrosion behavior based on the collected mine corrosion data, and drawing the mine corrosion safety level map, corrosion fracture failure risk assessment, corrosion prevention and control management, and data sharing.
[0045] Specifically, in one embodiment of the present invention, basic mine corrosion data can be collected before step S11, including: determining the collection scope of the basic mine corrosion data based on the basic theory of mine corrosion, and the properties and usage methods of mine equipment and materials; determining the type of the basic mine corrosion data, and the type of the basic mine corrosion data includes at least one of the following: standards, papers, patents, test reports; and collecting basic mine corrosion data of the type of the basic mine corrosion data within the collection scope of the basic mine corrosion data.
[0046] Specifically, if Figure 2 As shown, the collection of basic data on mine corrosion includes the mine corrosion knowledge base and mine corrosion publications.
[0047] The mining corrosion knowledge base mainly contains basic theoretical knowledge about mining corrosion, including basic knowledge about mining corrosion, mining equipment and materials. Among them, mining equipment and materials mainly refer to the properties and usage methods of various mining equipment and materials.
[0048] Mining corrosion publications are mainly documents related to mining corrosion, including mining corrosion research papers, mining corrosion patents, mining corrosion standards, and mining corrosion test reports.
[0049] Establishing basic data on mine corrosion can enrich knowledge about mine corrosion, lay the foundation for data collection, data analysis, data application and sharing, and facilitate the use of data to provide higher quality services.
[0050] In one embodiment of the present invention, collecting mine corrosion data includes: collecting mine field corrosion data and / or collecting mine corrosion laboratory data;
[0051] The method of collecting on-site corrosion data of a mine includes: determining the area for collecting the corrosion data of the mine; selecting representative monitoring points within the area for collecting the corrosion data of the mine; collecting basic information of the mine, including support materials and service years; collecting stress and strain data of the support materials and rock formations; collecting data of various corrosion factors in the mine water environment and atmospheric environment where the mine machinery and equipment and the support materials are in service;
[0052] The method of collecting the mine corrosion laboratory data includes: simulating the mine corrosion environment in the laboratory; collecting the corrosion test data of the mine materials by at least one test method, wherein the test method includes: chemical immersion test, simulated corrosion test, accelerated corrosion test, electrochemical corrosion test and local corrosion test method; collecting the corrosion test data of the mine materials in the field environment.
[0053] In the specific implementation, to collect mine corrosion data, first determine the monitoring area, such as the mine or the area inside the mine. In the mine area, select representative monitoring points based on factors such as topography, meteorological conditions, and distribution of pollution sources. Collecting mine corrosion data includes: collecting mine corrosion data and / or collecting mine corrosion test data.
[0054] Corrosion test data include laboratory corrosion test data and field corrosion test data. Laboratory corrosion test data can be data collected and stored for mining corrosion simulation tests and mining material corrosion tests. Laboratory corrosion tests include chemical immersion tests, simulated corrosion tests, accelerated corrosion tests, electrochemical corrosion tests, and local corrosion tests. Field corrosion test data can be data collected and stored for in-situ corrosion of mining materials.
[0055] In one embodiment of the present invention, the corrosion condition is analyzed based on the collected mine corrosion data, including: determining the area for corrosion condition analysis; calculating the water environment corrosion value of the mine corrosion in the area based on the collected data; determining the water environment corrosion level of the area based on the water environment corrosion value of the mine corrosion; calculating the atmospheric environment corrosion value of the area based on the collected data; determining the atmospheric environment corrosion level of the area based on the atmospheric environment corrosion value of the mine corrosion; and determining the distribution of highly corrosive environments of the water environment and atmospheric environment in the area.
[0056] Specifically, the corrosion level can be determined by the water environment and the atmospheric environment.
[0057] To determine the corrosion level of the mine water environment, the mine water environment corrosion value W can be calculated first. wet , and then determine the corrosion level through this value. The corrosion value of the mine water environment can be calculated by the following formula.
[0058]
[0059] Among them, the parameters and their ranges are shown in Table 1.
[0060]
[0061] In calculating the corrosion value W of the mine water environment wet Then, use Table 2 to determine the corrosion level. wet is 3, the corrosion level is II, which is mild corrosion. wet If it is 8, the corrosion level is IV, which is severe corrosion.
[0062]
[0063] Determination of the atmospheric corrosion level of the mine, its atmospheric corrosion value Wdry The calculation formula can be used as follows:
[0064] Among them, the atmospheric environment corrosion parameters and their ranges are shown in Table 3.
[0065]
[0066] In calculating the corrosion value W of the mine atmosphere dry After that, the corrosion level can be determined by using Table 4. dry is 8, the corrosion level is II, which is mild corrosion. dry If it is 12, the corrosion level is III, which is moderate to severe corrosion.
[0067]
[0068] By analyzing the corrosion conditions, the severity and distribution of the water and atmospheric environments in different mines and different areas of the same mine can be determined.
[0069] In one embodiment of the present invention, the corrosion law is analyzed based on the collected mine corrosion data, including: calculating the corrosion rate based on the collected mine corrosion data; calculating the corrosion depth within a period of time based on the corrosion rate; using the principal component analysis algorithm to extract key influencing factors, analyze the corrosion law and mechanism; determine typical corrosion conditions and high-risk corrosion modes.
[0070] Specifically, the corrosion law can be analyzed by calculating the corrosion rate and corrosion depth, and extracting the key influencing factors through the principal component analysis algorithm to analyze the corrosion law and mechanism. The corrosion rate calculation can be done using the following formula:
[0071]
[0072] Where v is the corrosion rate (mm / year), K is a constant of 8.76×10 4 , W is the loss mass (g), A is the corrosion area (cm 2 ), T is the corrosion time (h), D is the density (g / cm 3 );
[0073] Secondly, calculate the corrosion depth. The corrosion depth can be calculated using the following formula:
[0074]
[0075] Where d is the corrosion depth (mm), v is the corrosion rate (mm / year), and t is the corrosion time (year);
[0076] Finally, the corrosion mechanism analysis is carried out, and the principal component analysis (PCA) algorithm can be used to extract the key influencing factors. The formula is as follows:
[0077]
[0078] Among them, Z is the extracted principal component, X is the original data matrix, P is the loading matrix, and P T is the transposed matrix of P.
[0079] By analyzing the corrosion laws, we can extract key influencing factors, analyze the corrosion laws and mechanisms, and determine typical corrosion conditions and high-risk corrosion modes.
[0080] In one embodiment of the present invention, the stress corrosion behavior is analyzed based on the collected mine corrosion data, including: determining the material that undergoes stress corrosion behavior; dividing the stress corrosion fracture stress change by the yield strength of the material to obtain a stress corrosion sensitivity coefficient; calculating the stress corrosion crack growth rate of the material based on the material data in the collected mine corrosion data; calculating the stress corrosion fracture time of the material based on the material data in the collected mine corrosion data; and determining the stress corrosion behavior law and mechanism of the material under different corrosion environments.
[0081] Specifically, determine the material that undergoes stress corrosion behavior; divide the stress corrosion cracking stress change by the yield strength of the material to obtain the stress corrosion sensitivity coefficient. The stress corrosion sensitivity assessment can be performed using the following formula:
[0082]
[0083] Where S is the stress corrosion sensitivity coefficient, ΔS is the stress corrosion cracking stress change (MPa), and σ is the material yield strength (MPa);
[0084] The stress corrosion crack growth rate can be calculated using the following formula:
[0085]
[0086] Where da / dt is the crack growth rate (mm / year), C is the material constant, ΔK is the stress intensity factor range (MPa·m^0.5), and n is the material index;
[0087] The stress corrosion cracking time can be calculated using the following formula:
[0088]
[0089] Among them, t f is the fracture time, k is a constant related to the material and environmental conditions, σ is the applied stress, and σth is the stress corrosion threshold stress, and m is the stress corrosion sensitivity index.
[0090] By analyzing the stress corrosion behavior, the stress corrosion behavior, mechanism and main influencing factors of anchoring support materials, such as anchor rods, anchor cables and trays in different corrosion environments are studied.
[0091] In another embodiment of the present invention, the application of the analysis results of the mine corrosion data to draw a corrosion safety level map includes: determining the area for drawing the corrosion safety level map; calculating the water environment corrosion value of the mine corrosion in the area based on the collected data; determining the water environment corrosion level of the area based on the water environment corrosion value of the mine corrosion; calculating the atmospheric environment corrosion value of the area based on the collected data; determining the atmospheric environment corrosion level of the area based on the atmospheric environment corrosion value of the mine corrosion; and establishing a safety level map of the area based on the water environment and atmospheric environment corrosion levels of the area.
[0092] In another embodiment of the present invention, the analysis results of the mine corrosion data are applied to perform corrosion fracture failure risk assessment, including: based on the analysis results of corrosion laws and stress corrosion behavior, stress corrosion laws and stress corrosion behaviors are obtained to assess the risk of stress corrosion failure of materials; based on the analysis results of corrosion laws and stress corrosion behaviors, electrochemical corrosion laws and electrochemical corrosion behaviors are obtained to assess the risk of electrochemical corrosion failure of materials; based on the analysis results of corrosion laws and stress corrosion behaviors, microbial corrosion laws and microbial corrosion behaviors are obtained to assess the risk of microbial corrosion failure of materials.
[0093] Specifically, for example, based on the analysis results of corrosion laws and stress corrosion behavior, including stress corrosion influencing factors such as stress and strain, the stress corrosion laws and stress corrosion behaviors are obtained to evaluate the risk of stress corrosion failure of the material.
[0094] For example, based on the analysis results of corrosion laws and stress corrosion behavior, including electrochemical corrosion influencing factors such as corrosion current density and corrosion potential, the electrochemical corrosion laws and electrochemical corrosion behaviors are obtained to evaluate the risk of electrochemical corrosion failure of materials.
[0095] For example, based on the analysis results of corrosion laws and stress corrosion behavior, including the influencing factors of microbial corrosion such as the number and activity of iron bacteria and sulfate-reducing bacteria, the microbial corrosion laws and microbial corrosion behavior are obtained, and the risk of microbial corrosion failure of materials is evaluated.
[0096] In another embodiment of the present invention, the application of the analysis results of the mine corrosion data to carry out corrosion prevention and control management, including: corrosion prevention and control management based on materials and design strategies, surface treatment and protection measures, environment and operation control, monitoring and management strategies; wherein the materials and design strategies include selecting corrosion-resistant materials, material alloying, avoiding dead corners and fluid accumulation, and using appropriate geometric shapes; the surface treatment and protection measures include coating protection, metal plating, anodic protection, and cathodic protection; the environment and operation control includes controlling ambient humidity, removing corrosive substances, preventive maintenance, regular inspections, cleaning and descaling, using lubricants, and adding corrosion inhibitors; the monitoring and management strategies include corrosion monitoring, non-destructive testing, formulating corrosion management plans, employee training, and formulating emergency plans.
[0097] The mine corrosion data collection and use method provided in the embodiment of the present invention can reduce the mine corrosion hazards, enrich the mine corrosion knowledge, and provide scientific guidance for mine corrosion prevention and control by comprehensively and systematically collecting the mine corrosion data, analyzing the mine corrosion status, corrosion laws and stress corrosion behavior based on the collected mine corrosion data, and drawing the mine corrosion safety level map, corrosion fracture failure risk assessment, corrosion prevention and control management, and data sharing.
[0098] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0099] Each embodiment in this specification is described in a related manner, and the same or similar parts between the embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.
[0100] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiments can be implemented by instructing the relevant hardware through a computer program, and the program can be stored in a computer-readable storage medium, and when the program is executed, it can include the processes of the embodiments of the above-mentioned methods. The storage medium can be a disk, an optical disk, a read-only memory (ROM) or a random access memory (RAM), etc.
[0101] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims
1. A mine corrosion big data platform, characterized in that: The mine corrosion big data platform includes a basic data layer, a data acquisition layer, a data analysis layer, a data application layer and a data sharing layer; the basic data layer is used to collect the basic properties of mine equipment, materials and corrosion factors and theoretical knowledge related to mine corrosion, including a mine corrosion knowledge base module and a mine corrosion publication module; the data acquisition layer is used to collect corrosion data of various mines, various areas of mines and various corrosion environments in my country, including a mine corrosion data monitoring module and a corrosion test data acquisition module; the data analysis layer is used to analyze the collected mine corrosion data to obtain corrosion conditions, corrosion laws and corrosion behaviors, including a corrosion law research module, a corrosion classification module and a corrosion behavior research module; the data application layer is used to draw corrosion safety level maps, corrosion fracture failure risk assessment and corrosion prevention and control management for mine corrosion, including a corrosion safety level map module, a corrosion failure risk assessment module and a prevention and control management strategy module; the data sharing layer is used for individual or corporate users to upload and download various types of mine corrosion data to achieve data sharing, including a data upload module and a data download module.
2. The mine corrosion big data platform according to claim 1 is characterized in that: The basic data layer includes a mining corrosion knowledge base module and a mining corrosion publication module. The mining corrosion knowledge base module includes a mining corrosion basic knowledge sub-module and a mining equipment and material sub-module. The mining corrosion basic knowledge sub-module is used to introduce the basic theoretical knowledge of mining corrosion, and the mining equipment and material sub-module is used to introduce the properties and usage methods of various types of mining equipment and materials; the mining corrosion publication module includes a mining corrosion research paper sub-module, a mining corrosion patent sub-module, a mining corrosion standard sub-module, and a mining corrosion test report sub-module, which are respectively used to collect and display standards, papers, patents, and test reports related to mining corrosion.
3. The mine corrosion big data platform according to claim 1 is characterized in that: The data acquisition layer includes a mine corrosion data monitoring module and a corrosion test data acquisition module. The mine corrosion data monitoring module includes a mine basic information collection submodule, a stress strain monitoring submodule, a mine water environment monitoring submodule and a mine atmospheric environment monitoring submodule. The mine basic information collection submodule is used to collect and store mine basic information, such as mine profile, tunnel and support type, and service life. The stress strain monitoring submodule is used to monitor, collect and store stress strain data information of support materials and rock formations. The mine water environment monitoring submodule is used to monitor, collect and store various types of corrosion factor data information in the mine water environment where mine machinery and equipment and support materials are in service. The mine atmospheric environment monitoring submodule is used to monitor, collect and store various types of corrosion factor data information in the mine atmospheric environment where mine machinery and equipment and support materials are in service; the corrosion test data acquisition module includes a laboratory corrosion test data acquisition submodule and a field corrosion test data acquisition submodule. The laboratory corrosion test data acquisition submodule is used to collect and store data from mine corrosion simulation tests and mine material corrosion tests. Laboratory corrosion tests include chemical immersion tests, simulated corrosion tests, accelerated corrosion tests, electrochemical corrosion tests and local corrosion tests. The field corrosion test data acquisition submodule is used to collect and store relevant data on in-situ corrosion of mine materials.
4. The mine corrosion big data platform according to claim 1 is characterized in that: The data analysis layer includes a corrosion law research module, a corrosion grading and classification module, and a stress corrosion behavior research module. The corrosion law research module is used to analyze the collected mine corrosion data, analyze the corrosion laws and mechanisms of the materials, and determine typical corrosion conditions and high-risk corrosion modes; the corrosion grading and classification module can analyze and obtain the corrosion types and corrosion levels of different mines and different areas of the same mine, and the distribution of highly corrosive environments based on the collected data; the stress corrosion behavior research module studies the stress corrosion behavior laws, mechanisms and main influencing factors of anchor support materials such as anchor rods, anchor cables and trays in different corrosion environments through data analysis.
5. The mine corrosion big data platform according to claim 1 is characterized in that: The data application layer includes a corrosion safety level map module, a corrosion failure risk assessment module, and a corrosion prevention and control management strategy module. The corrosion safety level map module includes a national mine corrosion safety level map submodule and a mine regional corrosion safety level map submodule. The national mine corrosion safety level map submodule can establish a national mine corrosion safety level map based on the corrosion types and corrosion levels of different mines analyzed by the corrosion grading and classification module of the data analysis layer. The mine regional corrosion safety level map submodule can establish a mine regional corrosion safety level map based on the corrosion types and corrosion levels of different regions of the same mine analyzed by the corrosion grading and classification module of the data analysis layer. The corrosion failure risk assessment module includes a stress corrosion failure assessment submodule, an electrochemical corrosion failure assessment submodule, a microbial corrosion failure assessment submodule and a comprehensive corrosion failure assessment submodule. The stress corrosion failure assessment submodule analyzes stress corrosion influencing factors such as stress and strain based on the data analysis layer, obtains stress corrosion laws and stress corrosion behaviors, and assesses the risk of stress corrosion failure of the material. The electrochemical corrosion failure assessment submodule analyzes electrochemical corrosion influencing factors such as corrosion current density and corrosion potential based on the data analysis layer, obtains electrochemical corrosion laws and electrochemical corrosion behaviors, and assesses the risk of electrochemical corrosion failure of the material. The microbial corrosion failure assessment submodule analyzes microbial corrosion influencing factors such as the number and activity of iron bacteria and sulfate-reducing bacteria based on the data analysis layer, and obtains microbial corrosion laws. and microbial corrosion behavior, and evaluate the risk of microbial corrosion failure of materials; the corrosion prevention and control management strategy module includes material and design strategy sub-module, surface treatment and protection measures module, environment and operation control sub-module, and monitoring and management strategy sub-module. The material and design strategy sub-module includes selecting corrosion-resistant materials, material alloying, avoiding dead corners and liquid accumulation, and using appropriate geometric shapes. The surface treatment and protection measures sub-module includes coating protection, metal plating, anodic protection, and cathodic protection. The environment and operation control sub-module includes controlling environmental humidity, removing corrosive substances, preventive maintenance, regular inspection, cleaning and descaling, using lubricants, and adding corrosion inhibitors. The monitoring and management strategy sub-module includes corrosion monitoring, non-destructive testing, formulating corrosion management plans, employee training, and formulating emergency plans.
6. A method for using a mine corrosion big data platform, characterized in that: include: Collecting mine corrosion data; Analyze the corrosion status, corrosion law and stress corrosion behavior based on the collected mine corrosion data; Apply the analysis results of the mine corrosion data to draw corrosion safety level maps, conduct corrosion fracture failure risk assessment, and corrosion prevention and control management; The mine corrosion data and analysis and application results based on the mine corrosion data are shared and / or new mine corrosion data are uploaded.
7. The method of use according to claim 6, characterized in that: Before collecting the mine corrosion data, the following steps are included: Based on the basic theory of mine corrosion, as well as the properties and usage methods of mine equipment and materials, determine the collection scope of mine corrosion basic data; determine the type of the mine corrosion basic data, the type of the mine corrosion basic data includes at least one of the following: standards, papers, patents, test reports; from the collection scope of the mine corrosion basic data, collect the mine corrosion basic data of the type of the mine corrosion basic data; The collection of mine corrosion data includes: Collecting on-site corrosion data of mines and / or collecting data from mine corrosion laboratories; wherein, the collecting on-site corrosion data of mines includes: determining the area for collecting the corrosion data of mines; selecting representative monitoring points within the area for collecting the corrosion data of mines; collecting basic information of mines, wherein the basic information of mines includes support materials and service years; collecting stress and strain data information of the support materials and rock formations; collecting data information of various corrosion factors in the mine water environment and atmospheric environment where the mine machinery and equipment and the support materials are in service; The data collected from the mine corrosion laboratory include: Simulate the mine corrosion environment in the laboratory; Collecting corrosion test data of mining materials by at least one test method, wherein the test method includes: chemical immersion test, simulated corrosion test, accelerated corrosion test, electrochemical corrosion test and local corrosion test; Collect corrosion test data of the mine materials in the field environment; The analyzing the corrosion status based on the collected mine corrosion data includes: Identify areas for corrosion analysis; Based on the collected data, the water environment corrosion value of the mine corrosion in the area is calculated; wherein the calculation formula of the water environment corrosion value of the mine corrosion in the area is: , N pH 、N O2 、N R、 K R are the integer levels corresponding to pH value, oxygen content, resistivity, and rock mass classification range, respectively. K t Classify rock masses for temperature factors; Determining the regional water environment corrosion grade based on the water environment corrosion value of the mine corrosion; Based on the collected data, calculating the atmospheric environment corrosion value of the area; Based on the atmospheric corrosion value of the mine corrosion, the atmospheric corrosion level of the region is determined; wherein the calculation formula of the atmospheric corrosion value of the region is: , N Ox 、N rh SO2+NO x +Integer level corresponding to the classification range of NaCl concentration, deposition rate and relative humidity, K t Classify rock masses for temperature factors; Determine the distribution of highly corrosive environments in the water and atmospheric environments within the area; The analyzing of corrosion rules based on the collected mine corrosion data includes: Based on the collected mine corrosion data, the corrosion rate is calculated; wherein the corrosion rate calculation formula is: , v is the corrosion rate, K is a constant 8.76×10 4 , W is the loss mass, A is the corrosion area, T is the corrosion time, and D is the density; Based on the corrosion rate, the corrosion depth within a period of time is calculated; wherein the corrosion depth calculation formula is: , d is the corrosion depth, v is the corrosion rate, and t is the corrosion time; The principal component analysis algorithm is used to extract key influencing factors and analyze corrosion laws and mechanisms; Identify typical corrosion conditions and high-risk corrosion modes; The analyzing stress corrosion behavior based on the collected mine corrosion data includes: Determine the materials that undergo stress corrosion behavior; The stress corrosion susceptibility coefficient is obtained by dividing the stress corrosion cracking stress change by the yield strength of the material; wherein the stress corrosion susceptibility evaluation formula is: , S is the stress corrosion sensitivity coefficient, ΔS is the stress corrosion cracking stress change, and σ is the material yield strength; Based on the material data in the collected mine corrosion data, the stress corrosion crack growth rate of the material is calculated; wherein the stress corrosion crack growth rate calculation formula is: , da / dt is the crack growth rate, C is the material constant, ΔK is the stress intensity factor range, and n is the material index; Based on the material data in the collected mine corrosion data, the stress corrosion cracking time of the material is calculated; wherein the stress corrosion cracking time calculation formula is: , t f is the fracture time, k is a constant related to the material and environmental conditions, σ is the applied stress, and σ th is the stress corrosion threshold stress, m is the stress corrosion sensitivity index; Determine the stress corrosion behavior and mechanism of the material under different corrosion environments; The method of using the analysis results of the mine corrosion data to draw a corrosion safety level map includes: Identify areas for corrosion safety level mapping; Based on the collected data, the water environment corrosion value of the mine corrosion in the area is calculated; Determining the regional water environment corrosion grade based on the water environment corrosion value of the mine corrosion; Based on the collected data, calculating the atmospheric environment corrosion value of the area; Determine the atmospheric corrosion level of the region based on the atmospheric corrosion value of the mine corrosion; Establishing a safety level map of the area based on the corrosion levels of the water environment and the atmospheric environment in the area; The analysis results of the mine corrosion data are applied to conduct corrosion fracture failure risk assessment, including: Based on the analysis results of corrosion laws and stress corrosion behavior, the stress corrosion laws and stress corrosion behaviors are obtained to assess the risk of stress corrosion failure of materials; Based on the analysis results of corrosion laws and stress corrosion behavior, the electrochemical corrosion laws and behaviors are obtained to assess the risk of electrochemical corrosion failure of materials. Based on the analysis results of corrosion laws and stress corrosion behavior, the laws and behaviors of microbial corrosion are obtained to assess the risk of material failure due to microbial corrosion. The application of the analysis results of the mine corrosion data to carry out corrosion prevention and control management includes: Carry out corrosion prevention and control management based on materials and design strategies, surface treatment and protection measures, environmental and operational controls, monitoring and management strategies; Among them, the materials and design strategies include selecting corrosion-resistant materials, alloying materials, avoiding dead corners and effusion, and using appropriate geometric shapes; The surface treatment and protection measures include coating protection, metal plating, anodic protection, and cathodic protection; The environmental and operational controls include controlling environmental humidity, removing corrosive substances, preventive maintenance, regular inspections, cleaning and descaling, using lubricants, and adding corrosion inhibitors; The monitoring and management strategies include corrosion monitoring, non-destructive testing, development of corrosion management plans, employee training, and development of emergency plans.
8. The mine corrosion big data platform according to claim 1, characterized in that: The mine corrosion big data platform includes a coal mine corrosion big data system and a non-coal mine corrosion big data system.
Citation Information
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