Steel ladle bottom blowing slow-release gas supply structure and method

Abstract

The invention relates to the technical field of gas supply, and discloses a steel ladle bottom blowing slow-release gas supply structure and method. The control module is arranged on the steel ladle main body and is used for being responsible for automatic control including sensor data monitoring and valve opening adjusting; the sensor module is arranged on the steel ladle body and used for monitoring temperature, pressure and gas flow parameters in real time and feeding data back to the control module; the gas supply module is used for conveying through high-pressure air or other inert gases and providing a stable gas source for the bottom blowing device of the steel ladle main body; and the slow release device is arranged at the bottom of the steel ladle main body and is used for slowly releasing the supplied gas so as to ensure the uniform distribution of the supplied gas. According to the steel ladle bottom blowing slow-release gas supply structure and method, the efficiency and safety in the smelting process are improved, the product quality is improved, resource saving and intelligent management are achieved, and important support is provided for development of the modern steel and iron manufacturing industry.

Description

Technical Field

[0001] The invention relates to the field of gas supply, and in particular to a ladle bottom blowing slow-release gas supply structure and method. Background Art

[0002] Ladle is an important equipment for melting and transporting liquid metal in the metallurgical industry, especially in the steel production process. The traditional ladle bottom blowing system usually adopts direct gas supply, but this method has several problems, such as uneven gas flow, low gas supply efficiency, and unsatisfactory stirring effect on liquid metal. These problems not only affect the quality of molten steel, but also increase energy consumption and reduce production efficiency.

[0003] In order to solve the above problems, the present application proposes a ladle bottom blowing slow-release gas supply structure and method. Summary of the invention

[0004] 1. Purpose of the invention In order to solve the technical problems existing in the background technology, the present invention proposes a ladle bottom blowing slow-release gas supply structure and method. The present invention not only improves the efficiency and safety of the smelting process, but also improves product quality, realizes resource conservation and intelligent management, and provides important support for the development of the modern steel manufacturing industry.

[0005] (II) Technical solution In order to solve the above problems, the present invention provides a ladle bottom blowing slow-release gas supply structure, comprising: Ladle body; The control module is installed on the ladle body and is responsible for automatic control, including monitoring sensor data and adjusting valve opening; The sensor module is arranged on the ladle body and is used to monitor the temperature, pressure and gas flow parameters in real time and feed the data back to the control module; The gas supply module provides a stable gas source for the bottom blowing device of the ladle body through the delivery of high-pressure air or other inert gases; A slow-release device, arranged at the bottom of the ladle body, realizes the slow release of the supplied gas to ensure its uniform distribution; The mixing module is arranged in the main body of the ladle and is used to improve the contact efficiency between the liquid metal and the additive and enhance the reaction rate by means of mechanical stirring or ultrasonic excitation; Safety monitoring module, used to monitor the operating status in real time. Once an abnormal situation occurs, such as overpressure or gas leakage, it will immediately alarm and take protective measures; The data processing module is used to analyze and process the collected data, generate visual charts, and provide decision-making basis for operators; User interface module, used to provide a human-machine interaction interface, so that operators can easily view various parameters and adjust settings; The control module is connected to the sensor module and the user interface via a data bus. The sensor module sends the collected data to the control module in real time. The control module adjusts the air supply module and the slow-release device according to demand. The mixing module starts the stirring action according to the control signal. The safety monitoring module and the data processing module continuously feed back information to the control module.

[0006] Preferably, the control module includes: Central processing unit (CPU), responsible for executing control algorithms and data processing; Control panel, which is used to provide a human-machine interface and allow operators to perform settings and monitoring; Communication interface for data exchange; The power management unit is used to ensure stable power supply to all parts of the system.

[0007] Preferably, the sensor module comprises: A temperature sensor for measuring the temperature of the liquid metal in the ladle body; Pressure sensor, used to monitor the pressure inside the ladle body and the gas supply pipeline; Flow meter, used to detect gas flow in real time and feed the data back to the control module; Oxygen content sensor, used to monitor the oxygen concentration in molten steel to optimize the gas supply strategy.

[0008] Preferably, the air supply module comprises: High-pressure air compressor, used to provide the required high-pressure air or inert gas; A regulating valve, used to adjust the speed and pressure of gas inflow according to a control signal; Filter device is used to remove impurities in the air and ensure the quality of air supply.

[0009] Preferably, the sustained-release device comprises: Diffuser: It is designed with multiple tiny holes to evenly release gas to the bottom of the ladle body; Valve system to adjust the slow release rate and achieve precise control of gas flow.

[0010] Preferably, the safety monitoring module includes: Alarm system, which sounds an alarm when an abnormal situation occurs, including sound and light alarm devices; The emergency stop switch can quickly cut off the system power supply and stop operation in critical situations.

[0011] Preferably, the data processing module includes: Data acquisition card, used to collect data from various sensors and perform preliminary processing; Analytical software platform for data analysis, modeling and report generation.

[0012] Preferably, the user interface module includes: Display screen, used to provide real-time parameter display and graphical interface, making it easy for operators to understand and operate; Input devices are used for users to enter commands and set parameters.

[0013] A ladle bottom blowing slow-release gas supply method comprises the following steps: Initialize each sensor and calibrate parameters; Based on the real-time monitoring data, the control module calculates the required oxygen supply and adjusts the valve opening; Turn on the air supply module to deliver high-pressure air to the slow-release device; The slow-release device starts to work, releasing air to the bottom of the ladle body at a constant flow rate; At the same time, the mixing module is started to stir the liquid metal to promote the reaction between substances; The safety monitoring module continuously checks the system status and immediately alarms and shuts down for protection if any abnormality is found; The data processing module summarizes all monitoring results and generates reports for subsequent analysis; Operators can observe parameter changes in real time through the user interface module and make adjustments as needed.

[0014] The above technical solution of the present invention has the following beneficial technical effects: Improve smelting efficiency: By optimizing gas flow and temperature distribution, the oxygen concentration in the liquid metal is ensured to be uniform, thereby accelerating the deoxidation reaction and improving the overall efficiency of the smelting process.

[0015] Improved product quality: Stable gas supply and good mixing effect make the distribution of alloying elements in the molten steel more uniform, reducing chemical composition fluctuations in the finished product.

[0016] Enhanced safety: Multiple monitoring and alarm mechanisms are introduced to enable rapid response and action in abnormal situations. For example, the PID control algorithm can adjust the air supply in real time to prevent overheating.

[0017] Reduce resource consumption: By precisely controlling gas flow and temperature, the amount of raw materials (such as additives) required in the smelting process is minimized, while reducing energy waste.

[0018] Realize intelligent management: The system integrates data processing and analysis modules, which can monitor various parameters in real time and generate reports to provide a basis for decision-making, thereby improving the transparency of the production process and enabling managers to make timely adjustments to adapt to changing production needs.

[0019] Improve operational convenience: The user interface module provides intuitive information display and convenient human-computer interaction, allowing operators to quickly understand the system status and make necessary adjustments, reducing operational complexity, improving work efficiency, and also helping new employees get started faster.

[0020] Optimize gas supply strategy: Based on the data fed back by the sensors, the gas supply strategy is dynamically adjusted through algorithms to achieve the best gas supply solution for different process requirements, enhance system flexibility, better adapt to various production situations, and improve overall production capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the ladle main body in the present invention.

[0022] Figure 2 This is a schematic diagram of a ladle bottom blowing slow-release gas supply structure proposed by the present invention.

[0023] Figure numerals: 1. ladle body; 101. control module; 102. sensor module; 103. gas supply module; 104. slow release device; 105. mixing module; 106. safety monitoring module; 107. data processing module; 108. user interface module. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0025] like Figure 1-2 As shown, a ladle bottom blowing slow-release gas supply structure proposed by the present invention comprises: Ladle body 1; The control module 101 is arranged on the ladle body 1 and is responsible for automatic control, including monitoring sensor data and adjusting valve opening; The control module 101 includes: Central processing unit (CPU), responsible for executing control algorithms and data processing; Control panel, which is used to provide a human-machine interface and allow operators to perform settings and monitoring; Communication interface for data exchange; The power management unit is used to ensure stable power supply to all parts of the system.

[0026] The sensor module 102 is arranged on the ladle body 1 and is used to monitor the temperature, pressure and gas flow parameters in real time and feed the data back to the control module 101; The sensor module 102 includes: A temperature sensor, used to measure the temperature of the liquid metal in the ladle body 1; A pressure sensor for monitoring the pressure inside the ladle body 1 and the gas supply pipeline; A flow meter is used to detect the gas flow in real time and feed the data back to the control module 101; Oxygen content sensor, used to monitor the oxygen concentration in molten steel to optimize the gas supply strategy.

[0027] The gas supply module 103 provides a stable gas source for the bottom blowing device of the ladle body 1 by conveying high-pressure air or other inert gas; The air supply module 103 comprises: High-pressure air compressor, used to provide the required high-pressure air or inert gas; A regulating valve, used to adjust the speed and pressure of gas inflow according to a control signal; Filter device is used to remove impurities in the air and ensure the quality of air supply.

[0028] The slow-release device 104 is arranged at the bottom of the ladle body 1 to achieve the slow release of the supplied gas to ensure its uniform distribution; The slow-release device 104 comprises: Diffuser: designed with multiple tiny holes for uniformly releasing gas to the bottom of the ladle body 1; Valve system to adjust the slow release rate and achieve precise control of gas flow.

[0029] It should be noted that the flow calculation formula is: Q=A⋅v; Where Q: flow rate (m³ / s); A: pipe cross-sectional area (m²); v: flow velocity (m / s); The control module 101 calculates the required gas flow Q based on the real-time monitoring data and the set requirements. By measuring the pipeline cross-sectional area A and the flow velocity v, it is ensured that the gas flow provided to the bottom of the ladle meets the process requirements.

[0030] The slow-release device 104 works: The slow-release device 104 is adjusted according to the required flow rate to ensure uniform release of gas.

[0031] The mixing module 105 is disposed in the ladle body 1 and is used to improve the contact efficiency between the liquid metal and the additive and enhance the reaction rate by means of mechanical stirring or ultrasonic excitation; Safety monitoring module 106, used to monitor the operating status in real time. Once an abnormal situation occurs, such as overpressure or gas leakage, an alarm will be immediately issued and protective measures will be taken; The data processing module 107 is used to analyze and process the collected data, generate visual charts, and provide decision-making basis for operators; The user interface module 108 is used to provide a human-computer interaction interface so that operators can easily view various parameters and adjust settings; The control module 101 is connected to the sensor module 102 and the user interface 108 via a data bus. The sensor module 102 sends the collected data to the control module 101 in real time. The control module 101 adjusts the air supply module 103 and the slow-release device 104 according to demand. The mixing module 105 starts the stirring action according to the control signal. The safety monitoring module 106 and the data processing module 107 continuously feed back information to the control module 101; the safety monitoring module 106 includes: Alarm system, which sounds an alarm when an abnormal situation occurs, including sound and light alarm devices; The emergency stop switch can quickly cut off the system power supply and stop operation in critical situations.

[0032] The data processing module 107 includes: Data acquisition card, used to collect data from various sensors and perform preliminary processing; Analytical software platform for data analysis, modeling and report generation.

[0033] The user interface module 108 includes: Display screen, used to provide real-time parameter display and graphical interface, making it easy for operators to understand and operate; Input devices are used for users to enter commands and set parameters.

[0034] A ladle bottom blowing slow-release gas supply method comprises the following steps: Initialize each sensor and calibrate parameters; According to the real-time monitoring data, the control module 101 calculates the required oxygen supply and adjusts the valve opening (in this process, the control module 101 uses the PID control algorithm to adjust the valve opening to achieve accurate control of the oxygen supply flow rate. The error value e(t) refers to the difference between the set value and the actual detection value. The output is adjusted comprehensively through the proportion, integration and differentiation to achieve the desired state); PID control algorithm formula: ; u(t): control output; e(t): error value; K p ,K i ,K d : Proportional, integral, and differential coefficients.

[0035] Open the air supply module 103 to deliver high-pressure air to the slow-release device 104; The slow-release device starts to work, releasing air to the bottom of the ladle body 1 at a constant flow rate; At the same time, the mixing module 105 is started to stir the liquid metal to promote the reaction between substances (in this step, the heat balance equation can be used to analyze the relationship between the input and output heat in the system to ensure that the temperature of the liquid metal remains in the ideal range. By monitoring the input heat ∈ Q∈ and the output heat Q out , the stirring speed or oxygen supply strategy can be adjusted to maintain the appropriate reaction temperature. ); The safety monitoring module 106 continuously checks the system status and immediately alarms and shuts down for protection if any abnormality is found (if the system has an abnormality, such as over-temperature, the heat balance equation can be used to determine whether it is necessary to reduce the input heat or increase cooling measures. The heat balance equation is: Q in =Q out +ΔQ; where: Q∈: input heat (J); Q out : output heat (J); ΔQ: internal heat change (J)); If an abnormal situation is found, the PID algorithm can be used to quickly respond and adjust system parameters, such as reducing oxygen supply to lower temperature and ensure system safety; The data processing module 107 summarizes all monitoring results and generates reports for subsequent analysis; The operator observes parameter changes in real time through the user interface module 108 and makes adjustments as needed.

[0036] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. A ladle bottom blowing slow-release gas supply structure, characterized in that: include: Ladle body (1); A control module (101) is arranged on the ladle body (1) and is responsible for automatic control, including monitoring sensor data and adjusting valve opening; A sensor module (102) is arranged on the ladle body (1) and is used to monitor temperature, pressure and gas flow parameters in real time and feed the data back to the control module (101); The gas supply module (103) is configured to provide a stable gas source for the bottom blowing device of the ladle body (1) by conveying high-pressure air or other inert gas; A slow-release device (104) is arranged at the bottom of the ladle body (1) to slowly release the supplied gas to ensure its uniform distribution; A mixing module (105) is arranged in the ladle body (1) and is used to improve the contact efficiency between the liquid metal and the additive and enhance the reaction rate by means of mechanical stirring or ultrasonic excitation; A safety monitoring module (106) is used to monitor the operating status in real time. Once an abnormal situation occurs, such as overpressure or gas leakage, an alarm will be immediately issued and protective measures will be taken; The data processing module (107) is used to analyze and process the collected data, generate visual charts, and provide decision-making basis for operators; A user interface module (108) is used to provide a human-computer interaction interface, so that an operator can conveniently view various parameters and adjust settings; The control module (101) is connected to the sensor module (102) and the user interface (108) via a data bus; the sensor module (102) sends collected data to the control module (101) in real time; the control module (101) adjusts the air supply module (103) and the slow-release device (104) according to demand; and the mixing module (105) starts a stirring action according to a control signal; The safety monitoring module (106) and the data processing module (107) continuously feed back information to the control module (101).

2. A ladle bottom blowing slow-release gas supply structure according to claim 1, characterized in that: The control module (101) comprises: Central processing unit (CPU), responsible for executing control algorithms and data processing; Control panel, which is used to provide a human-machine interface and allow operators to perform settings and monitoring; Communication interface for data exchange; The power management unit is used to ensure stable power supply to all parts of the system.

3. A ladle bottom blowing slow-release gas supply structure according to claim 2, characterized in that: The sensor module (102) comprises: A temperature sensor for measuring the temperature of liquid metal in the ladle body (1); A pressure sensor for monitoring the pressure inside the ladle body (1) and the gas supply pipeline; A flow meter, used for detecting the gas flow in real time and feeding the data back to the control module (101); Oxygen content sensor, used to monitor the oxygen concentration in molten steel to optimize the gas supply strategy.

4. A ladle bottom blowing slow-release gas supply structure according to claim 3, characterized in that: The air supply module (103) comprises: High-pressure air compressor, used to provide the required high-pressure air or inert gas; A regulating valve, used to adjust the speed and pressure of gas inflow according to a control signal; Filter device is used to remove impurities in the air and ensure the quality of air supply.

5. A ladle bottom blowing slow-release gas supply structure according to claim 4, characterized in that: The sustained-release device (104) comprises: Diffuser: designed with multiple tiny holes to evenly release gas to the bottom of the ladle body (1); Valve system to adjust the slow release rate and achieve precise control of gas flow.

6. A ladle bottom blowing slow-release gas supply structure according to claim 5, characterized in that: The safety monitoring module (106) includes: Alarm system, which sounds an alarm when an abnormal situation occurs, including sound and light alarm devices; The emergency stop switch can quickly cut off the system power supply and stop operation in critical situations.

7. A ladle bottom blowing slow-release gas supply structure according to claim 6, characterized in that: The data processing module (107) includes: Data acquisition card, used to collect data from various sensors and perform preliminary processing; Analytical software platform for data analysis, modeling and report generation.

8. A ladle bottom blowing slow-release gas supply structure according to claim 7, characterized in that: The user interface module (108) includes: Display screen, used to provide real-time parameter display and graphical interface, making it easy for operators to understand and operate; Input devices are used for users to enter commands and set parameters.

9. A ladle bottom blowing slow-release gas supply method, characterized in that: The following steps are involved: Initialize each sensor and calibrate parameters; Based on the real-time monitoring data, the control module (101) calculates the required oxygen supply and adjusts the valve opening; Opening the air supply module (103) to deliver high-pressure air to the slow-release device (104); The slow-release device starts to work, releasing air to the bottom of the ladle body (1) at a constant flow rate; At the same time, the mixing module (105) is started to stir the liquid metal to promote the reaction between substances; The safety monitoring module (106) continuously checks the system status and immediately issues an alarm and shuts down the system for protection if any abnormality is found; The data processing module (107) summarizes all monitoring results and generates reports for subsequent analysis; The operator observes parameter changes in real time through the user interface module (108) and makes adjustments as needed.

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