Online calculation method for steel billet mixed loading rate of steel rolling heating furnace

Abstract

The invention relates to the technical field of steel rolling heating furnace production scheduling, in particular to a steel rolling heating furnace steel billet mixed loading rate online calculation method. Key data such as the surface temperature and the billet charging sequence of billets in a steel rolling heating furnace are collected in real time when the billets enter the furnace, and the preset billet mixed charging rate calculation conditions are combined, so that online statistical calculation of the billet mixed charging rate is achieved. Specifically, the method comprises the following steps: firstly, acquiring real-time data of each steel billet in a heating furnace through a sensor, then inputting the data into a calculation model, processing and analyzing the data by the model according to a preset algorithm, and finally obtaining a calculation result of the mixed loading rate of the steel billets. The method has the beneficial effects that the mixing condition of the steel billets in the heating furnace can be mastered in real time by calculating the mixed loading rate of the steel billets on line, so that the operating parameters of the heating furnace are adjusted in time, the heating and rolling processes of the steel billets are optimized, the production efficiency and the product quality are improved, and the energy consumption and the production cost are reduced.

Description

Technical Field

[0001] The invention relates to the technical field of steel rolling heating grate production, and in particular to an online calculation method for the mixed charging rate of steel billets in a steel rolling heating furnace. Background Art

[0002] With the rapid development of the steel industry and the continuous advancement of steel rolling technology, the operation efficiency and product quality of steel rolling heating furnaces, as important equipment in the steel production process, directly affect the economic benefits and market competitiveness of the entire steel enterprise. In the production process of steel rolling heating furnaces, the mixing rate of steel billets is a key indicator, which directly affects the heating uniformity of steel billets and the energy consumption of heating furnaces. Therefore, developing an accurate and real-time online calculation method for the mixing rate of steel billets is of great significance to improving the production efficiency and product quality of steel rolling heating furnaces.

[0003] In the production process of the steel rolling heating furnace, the existing method for calculating the mixing rate of steel billets mainly relies on manual measurement and calculation. The existing method has the following problems: (1) Poor real-time performance: The existing method requires manual measurement of the weight, temperature, position and other data of the steel billets on a regular basis, and then performs calculations; this method cannot reflect the mixing situation of the steel billets in the furnace in real time, and it is difficult to provide an accurate basis for timely adjustments in the production process. (2) Low accuracy: Manual measurement and calculation are easily affected by human factors and environmental factors, resulting in large errors in the calculation results; this not only affects the accuracy of the steel billet mixing rate, but also affects the production efficiency and the stability of product quality. (3) Complicated operation: The existing method requires a lot of manpower and material resources for data collection and processing, and the operation is cumbersome and inefficient; this not only increases production costs, but also reduces production efficiency. Summary of the invention

[0004] The technical problem to be solved by the present invention is: in view of the shortcomings of the prior art, an online calculation method for the steel billet mixing rate of a steel rolling heating furnace is provided, which can calculate the steel billet mixing rate in the steel rolling heating furnace in real time and accurately, so as to improve the production efficiency of the steel rolling heating furnace and reduce energy consumption and production costs.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] The present invention provides an online calculation method for the mixed charging rate of steel billets in a steel rolling heating furnace, which mainly comprises the following steps:

[0007] S1, using sensors installed in the steel rolling heating furnace to collect temperature data of each steel billet entering the furnace and the order of steel billet loading in real time;

[0008] S2, transmitting the collected temperature data and billet charging sequence data to a data processing unit;

[0009] S3, the data processing unit analyzes and processes the received data according to a preset billet mixing rate calculation model;

[0010] S4, based on the analysis and processing results, the steel billet mixing rate in the steel rolling heating furnace is calculated in real time;

[0011] S5, outputting the calculated billet mixing ratio to a display device and a steel rolling heating furnace production control system.

[0012] Preferably, the sensor specifically includes a temperature sensor and a billet information identification sensor. The temperature sensor is used to collect temperature data of each billet entering the furnace in real time; the billet information identification sensor is used to identify the billet number and plan number of each billet, and generate corresponding billet loading sequence data.

[0013] Preferably, the analyzing and processing of the received data according to the preset billet mixing rate calculation model includes:

[0014] 1) Record the planned number and furnace temperature of all steel billets within the preset statistical time period;

[0015] 2) Assume that the total number of billets in plan i is N i , count the number of billets with a furnace temperature greater than 500°C in plan i, denoted as N 500 At the same time, the number of billets N with a furnace temperature less than 400°C in plan i is counted 400 ;

[0016] 3) If If it is true, plan i is considered a mixed loading plan.

[0017] Preferably, the method for calculating the billet mixing rate includes:

[0018] Assume that there are M plans in total within the preset statistical time period, and the number of mixed plans is M. i , then the mixed loading rate is calculated as

[0019] Preferably, the preset billet mixing rate calculation model is set specifically according to the operating parameters of the steel rolling heating furnace, the physical properties of the billet and the heating process requirements.

[0020] Preferably, the sensor transmits the collected data to the data processing unit specifically through OPC communication.

[0021] Preferably, the display device is used to display in real time the number of steel billets in the current furnace, the average temperature data of the steel billets, and the calculated steel billet mixing ratio.

[0022] Preferably, the steel rolling heating furnace production control system adjusts the operating parameters of the steel rolling heating furnace in real time according to the calculated billet mixing ratio, and the operating parameters include furnace temperature and heating time.

[0023] Compared with the prior art, the present invention has the following main advantages:

[0024] 1. The present invention collects key data such as the surface temperature of the steel billets when they enter the steel rolling heating furnace, the order of steel billet loading, etc. in real time, and combines it with a preset steel billet mixing rate calculation model and algorithm to achieve real-time and accurate calculation of the steel billet mixing rate, which can not only improve production efficiency and product quality, but also reduce energy consumption and production costs, and has important application value and market prospects.

[0025] 2. The present invention first obtains the real-time data of each steel billet in the heating furnace through the sensor, and then inputs this data into the calculation model. The model processes and analyzes the data according to the preset algorithm, and finally obtains the calculation result of the steel billet mixing rate. By calculating the steel billet mixing rate online, the mixing situation of the steel billets in the heating furnace can be grasped in real time, so as to adjust the operating parameters of the heating furnace in time and optimize the heating and rolling process of the steel billets.

[0026] 3. The present invention has strong real-time performance and high accuracy: by real-time collection of key data of the steel billets in the furnace, combined with advanced calculation models and algorithms, real-time calculation of the steel billet mixing rate can be achieved, which can provide accurate basis for timely adjustment of operating parameters in the production process of the steel rolling heating furnace. In addition, the use of advanced sensor technology and data analysis technology avoids the influence of human and environmental factors and improves the accuracy of the calculation results.

[0027] 4. The present invention is easy to operate and widely used: it realizes automatic data collection, processing and analysis, reduces the complexity of manual operation, and can be widely used in the production process of various steel rolling heating furnaces, which is of great significance for improving production efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a flow chart of the online calculation method of the mixed charging rate of steel billets in a steel rolling heating furnace according to an embodiment of the present invention;

[0029] Figure 2 It is a schematic diagram of the principle of the online calculation method of the mixed charging rate of steel billets in a steel rolling heating furnace according to an embodiment of the present invention;

[0030] Figure 3 Schematic diagram of online display result of mixed loading rate in an embodiment of the present invention. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0032] It should be pointed out that, according to the needs of implementation, the various steps / components described in this application can be split into more steps / components, and two or more steps / components or partial operations of steps / components can be combined into new steps / components to achieve the purpose of the present invention.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically limited.

[0034] Embodiment 1: This embodiment provides an online calculation method for the mixed loading rate of steel billets in a steel rolling heating furnace. Figure 1 As shown, it mainly includes the following steps:

[0035] S1, using sensors installed in the steel rolling heating furnace to collect temperature data of each steel billet entering the furnace and the order of steel billet loading in real time;

[0036] S2, transmitting the collected temperature data and billet charging sequence data to a data processing unit;

[0037] S3, the data processing unit analyzes and processes the received data according to a preset billet mixing rate calculation model;

[0038] S4, based on the analysis and processing results, the steel billet mixing rate in the steel rolling heating furnace is calculated in real time;

[0039] S5, outputting the calculated billet mixing ratio to a display device and a steel rolling heating furnace production control system.

[0040] Furthermore, the sensor specifically includes a temperature sensor and a billet information identification sensor. The temperature sensor is used to collect temperature data of each billet entering the furnace in real time; the billet information identification sensor is used to identify the billet number and plan number of each billet, and generate corresponding billet loading sequence data.

[0041] Furthermore, the received data is analyzed and processed according to the preset billet mixing rate calculation model, including:

[0042] 1) Record the planned number and furnace temperature of all steel billets within the preset statistical time period;

[0043] 2) Assume that the total number of billets in plan i is N i , count the number of billets with a furnace temperature greater than 500°C in plan i, denoted as N 500 At the same time, the number of billets N with a furnace temperature less than 400°C in plan i is counted 400 ;

[0044] 3) If If it is true, plan i is considered a mixed loading plan.

[0045] Furthermore, the calculation method of the steel billet mixing rate includes:

[0046] Assume that there are M plans in total within the preset statistical time period, and the number of mixed plans is M. i , then the mixed loading rate is calculated as

[0047] Furthermore, the preset billet mixing rate calculation model is set specifically according to the operating parameters of the steel rolling heating furnace, the physical properties of the billet and the heating process requirements.

[0048] Furthermore, the sensor transmits the collected data to the data processing unit specifically through an OPC communication method.

[0049] Furthermore, the display device is used to display in real time the number of steel billets in the current furnace, the average temperature data of the steel billets, and the calculated steel billet mixing ratio.

[0050] Furthermore, the steel rolling heating furnace production control system adjusts the operating parameters of the steel rolling heating furnace in real time according to the calculated billet mixing ratio, and the operating parameters include furnace temperature and heating time.

[0051] Embodiment 2: This embodiment provides an online calculation method for the mixed loading rate of steel billets in a steel rolling heating furnace, such as Figure 2 As shown, including:

[0052] 1. Data Collection

[0053] 1) Sensors are installed in the steel rolling heating furnace, including weight sensors, temperature sensors and billet information recognition sensors, to collect the temperature of each billet in the furnace and the order of entering the furnace in real time.

[0054] 2) The data collected by the sensor is transmitted to the data processing unit in real time through the data transmission system (real-time communication is established through OPC communication).

[0055] 3) The data collected includes the billet number, plan number and furnace entry temperature of each billet in the production process of the steel rolling heating furnace.

[0056] 2. Data Processing

[0057] 1) The data processing unit receives the data transmitted by the sensor and processes and analyzes the data according to the preset billet mixing rate calculation model.

[0058] 2) The preset billet mixing rate calculation model is set based on the operating parameters of the steel rolling heating furnace, the physical properties of the billet and the heating process requirements, and the data is calculated and analyzed through an algorithm.

[0059] 3) The mixed loading rate is defined as: in a single plan, the proportion of steel billets above 500°C is greater than 20%, and the proportion of steel billets below 400°C is greater than 10%. The energy consumption has a greater impact and is recorded as a mixed loading plan.

[0060] 4) The data processing flow of the billet mixing rate calculation model is as follows:

[0061] (1) Record all billet plan numbers and furnace entry temperatures within a preset statistical time period;

[0062] (2) Assuming there are M plans in total, count the number of billets with a furnace temperature greater than 500°C in plan i, denoted by N 500 At the same time, the number of billets N with a furnace temperature less than 400°C in plan i is counted 400 The total number of billets in the plan is N i .

[0063] (3) Calculate whether plan i is a mixed loading plan. The calculation formula is as follows:

[0064] if If it is true, it is recorded as a mixed loading plan.

[0065] (4) Assume that the number of mixed loading plans after statistics is M i , then the mixed loading rate is calculated as

[0066] 3. Calculation result output

[0067] 1) The data processing unit calculates the billet mixing rate in the steel rolling heating furnace in real time based on the analysis and processing results.

[0068] 2) The calculated billet mixing rate data is displayed through a display device, or received and processed through a control system.

[0069] 4. Control system feedback

[0070] The control system can adjust the operating parameters of the steel rolling heating furnace, such as furnace temperature, heating time, etc., in real time according to the calculated billet mixing rate data to optimize the heating process of the billet.

[0071] Embodiment 3: Based on the same inventive concept, this embodiment also provides an electronic device, including a memory, a processor, and a program stored in the memory and executable on the processor, wherein when the processor executes the program, the online calculation method for the mixed loading rate of steel billets in a steel rolling heating furnace as described above is implemented.

[0072] Furthermore, all parts involved in this application that are not described in detail are the same as the prior art or are implemented using the prior art.

[0073] In summary:

[0074] 1. The present invention collects key data such as the surface temperature of the steel billets when they enter the steel rolling heating furnace, the order of steel billet loading, etc. in real time, and combines it with a preset steel billet mixing rate calculation model and algorithm to achieve real-time and accurate calculation of the steel billet mixing rate, which can not only improve production efficiency and product quality, but also reduce energy consumption and production costs, and has important application value and market prospects.

[0075] 2. The present invention first obtains the real-time data of each steel billet in the heating furnace through the sensor, and then inputs this data into the calculation model. The model processes and analyzes the data according to the preset algorithm, and finally obtains the calculation result of the steel billet mixing rate. By calculating the steel billet mixing rate online, the mixing situation of the steel billets in the heating furnace can be grasped in real time, so as to adjust the operating parameters of the heating furnace in time and optimize the heating and rolling process of the steel billets.

[0076] 3. The present invention has strong real-time performance and high accuracy: by real-time collection of key data of the steel billets in the furnace, combined with advanced calculation models and algorithms, real-time calculation of the steel billet mixing rate can be achieved, which can provide accurate basis for timely adjustment of operating parameters in the production process of the steel rolling heating furnace. In addition, the use of advanced sensor technology and data analysis technology avoids the influence of human and environmental factors and improves the accuracy of the calculation results.

[0077] 4. The present invention is easy to operate and widely used: it realizes automatic data collection, processing and analysis, reduces the complexity of manual operation, and can be widely used in the production process of various steel rolling heating furnaces, which is of great significance for improving production efficiency and product quality.

[0078] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An online calculation method for the mixed loading rate of steel billets in a steel rolling heating furnace, characterized in that: The steps include: S1, using sensors installed in the steel rolling heating furnace to collect temperature data of each steel billet entering the furnace and the order of steel billet loading in real time; S2, transmitting the collected temperature data and billet charging sequence data to a data processing unit; S3, the data processing unit analyzes and processes the received data according to a preset billet mixing rate calculation model; S4, based on the analysis and processing results, the steel billet mixing rate in the steel rolling heating furnace is calculated in real time; S5, outputting the calculated billet mixing ratio to a display device and a steel rolling heating furnace production control system.

2. The method for online calculation of the mixed loading rate of steel billets in a steel rolling heating furnace according to claim 1, characterized in that: The sensors specifically include a temperature sensor and a billet information identification sensor. The temperature sensor is used to collect temperature data of each billet entering the furnace in real time; the billet information identification sensor is used to identify the billet number and plan number of each billet and generate corresponding billet loading sequence data.

3. The method for online calculation of the mixed loading rate of steel billets in a steel rolling heating furnace according to claim 2, characterized in that: The step of analyzing and processing the received data according to the preset billet mixing rate calculation model includes: 1) Record the planned number and furnace temperature of all steel billets within the preset statistical time period; 2) Assume that the total number of billets in plan i is N i , count the number of billets with a furnace temperature greater than 500°C in plan i, denoted as N 500 At the same time, the number of billets N with a furnace temperature less than 400°C in plan i is counted 400 ; 3) If If it is true, plan i is considered a mixed loading plan.

4. The method for online calculation of the mixed loading rate of steel billets in a steel rolling heating furnace according to claim 3 is characterized in that: The calculation method of the steel billet mixing rate includes: Assume that there are M plans in total within the preset statistical time period, and the number of mixed plans is M. i , then the mixed loading rate is calculated as 5. The method for online calculation of the mixed loading rate of steel billets in a steel rolling heating furnace according to claim 1, characterized in that: The preset billet mixing rate calculation model is set specifically according to the operating parameters of the steel rolling heating furnace, the physical properties of the billet and the heating process requirements.

6. The method for online calculation of the mixed loading rate of steel billets in a steel rolling heating furnace according to claim 1, characterized in that: The sensor transmits the collected data to the data processing unit specifically through the OPC communication method.

7. The method for online calculation of the mixed loading rate of steel billets in a steel rolling heating furnace according to claim 1, characterized in that: The display device is used to display the current number of steel billets in the furnace, the average temperature data of the steel billets, and the calculated steel billet mixing rate in real time.

8. The method for online calculation of the mixed loading rate of steel billets in a steel rolling heating furnace according to claim 1, characterized in that: The steel rolling heating furnace production control system adjusts the operation parameters of the steel rolling heating furnace in real time according to the calculated billet mixing rate, and the operation parameters include furnace temperature and heating time.

9. An electronic device comprising a memory, a processor, and a program stored in the memory and executable on the processor, characterized in that: When the processor executes the program, the online calculation method for the mixed loading rate of steel billets in a steel rolling heating furnace as described in any one of claims 1 to 8 is implemented.

10. A non-transitory readable storage medium having a program stored thereon, characterized in that: When the program is executed by an electronic device, it implements the online calculation method for the mixed charging rate of steel billets in a steel rolling heating furnace as described in any one of claims 1 to 8.

Images