Method and system for controlling steel tapping of converter

Abstract

A converter tapping control method and system are disclosed. The system includes a storage unit and a processor. The storage unit is configured to store converter information, container information, and a pre-trained control module. The processor is coupled to the storage unit and is configured to: import the converter information and container information into the control module in a virtual environment to synchronously simulate a tilting action of the converter and a fluid flow from the converter to the container; calculate virtual fluid parameters, including a residual fluid volume in the converter and a receiving fluid volume in the container; calculate a target data based on the residual fluid volume and the receiving fluid volume using the control module; and control the tilting amount of the converter and the movement amount of the container based on the target data.

Claims

1. A converter tapping control method, comprising: storing converter information, container information, and a pre-trained control module in a storage unit; importing the converter information and container information into the control module in a virtual environment to synchronously simulate a tilting action of the converter and a fluid flow from the converter to the container; calculating a virtual fluid parameter of the fluid, the virtual fluid parameter including a remaining fluid volume in the converter and a receiving fluid volume in the container; calculating a target data based on the remaining fluid volume and the receiving fluid volume by the control module; and controlling a tilting amount of the converter or a movement amount of the container based on the target data.

2. The converter tapping control method as described in claim 1, wherein the control module includes a converter tapping control model; the processor calculates the target data based on the virtual fluid parameters according to the control module, comprising: configuring the processor to: taking a tapping information of the converter, the remaining fluid volume and the receiving fluid volume as a feature dataset, importing the feature dataset into the converter tapping control model for calculation, and outputting a target converter tilt angle of the target data, wherein the tapping information includes a tapping duration, a converter usage count, a tapping outlet usage count and an initial molten steel volume.

3. The converter tapping control method as described in claim 2, wherein the container is a steel ladle, the control module includes a steel ladle receiving control model, and the processor is configured to: detect multiple landing points of the fluid flowing to an opening of the container based on multiple tilt angles of the converter in the virtual environment; calculate a leftmost edge position and a rightmost edge position among the multiple landing points to obtain a virtual steel flow center point; and calculate the virtual steel flow center point mapped to a physical space coordinate, and adjust a position of the steel ladle according to the physical space coordinate so that a physical center point of the steel ladle reaches the virtual steel flow center point.

4. The converter tapping control method as described in claim 2, wherein the processor calculates the target data based on the virtual fluid parameters using the control module, and further includes: configuring the processor to: dynamically adjust the thickness of a digital furnace lining in the virtual environment based on the number of times the converter is used, so that the flow rate of the fluid in the virtual environment matches a real tapping flow rate.

5. The converter tapping control method as described in claim 1, wherein the control module includes a converter slag dumping control model; the processor calculates the target data based on the virtual fluid parameters according to the control module, comprising: configuring the processor to: import slag dumping information of the converter into the converter slag dumping control model for calculation, so as to output a target converter tilt angle of the target data, wherein the slag dumping information includes multiple historical slag dumping operation data.

6. The converter tapping control method as described in claim 4, wherein the container is a slag bucket, and the control module includes a slag bucket slag receiving control model; the processor calculates the target data based on the virtual fluid parameters according to the control module, and further includes: configuring the processor to: determine a virtual projection position of a slag body flowing to the ground in the virtual environment based on an inclination angle of the converter; in response to the inclination angle of the converter being less than a critical angle, calculate a first position projected onto the ground from an intermediate point between a side edge of the furnace mouth and a center of the furnace mouth, as a first target position of the slag bucket; and in response to the inclination angle of the converter being greater than the critical angle, calculate a second position projected onto the ground from the center of the furnace mouth, as a second target position of the slag bucket.

7. The converter tapping control method as described in claim 6, wherein determining the virtual projection position of the slag flowing to the ground based on the inclination angle of the converter in the virtual environment comprises: configuring the processor to: simulate the slag flowing to the ground based on multiple inclination angles of the converter to generate multiple virtual landing point data; performing fitting calculations on the multiple virtual landing point data to obtain a fitting trajectory curve; and calculating the virtual projection position from the inclination angle of the converter and the fitting trajectory curve.

8. A converter tapping control system, comprising: a storage unit configured to store converter information, container information, and a pre-trained control module; and a processor coupled to the storage unit, configured to: import the converter information and container information into the control module in a virtual environment to synchronously simulate a tilting action of the converter and a state of fluid flowing from the converter to the container; calculate a virtual fluid parameter of the fluid, the virtual fluid parameter including a remaining fluid volume in the converter and a receiving fluid volume in the container; calculate a target data based on the remaining fluid volume and the receiving fluid volume by the control module; and control a tilting amount of the converter or a movement amount of the container based on the target data.

9. The converter tapping control system as described in claim 8, wherein the control module includes a converter tapping control model; the processor calculates the target data based on the virtual fluid parameters according to the control module, comprising: configuring the processor to: taking a tapping information of the converter, the remaining fluid volume, and the received fluid volume as a feature dataset, importing the feature dataset into the converter tapping control model for calculation, and outputting a target converter tilt angle of the target data, wherein the tapping information includes a tapping duration, a converter usage count, a tapping spout usage count, and an initial molten steel volume.

10. The converter tapping control system as described in claim 9, wherein the container is a steel ladle, the control module includes a steel ladle receiving control model, and the processor is configured to: detect, in the virtual environment, multiple points where the fluid flows to an opening of the container based on multiple angles of inclination of the converter; calculate a leftmost edge position and a rightmost edge position among the multiple points of inclination to obtain a virtual steel flow center point; and calculate the virtual steel flow center point mapped to a physical space coordinate, and adjust a position of the steel ladle according to the physical space coordinate so that a physical center point of the steel ladle reaches the virtual steel flow center point.

11. The converter tapping control system as described in claim 8, wherein the control module includes a converter slag dumping control model; the processor calculates the target data based on the virtual fluid parameters according to the control module, comprising: configuring the processor to: import slag dumping information of the converter into the converter slag dumping control model for calculation, so as to output a target converter tilt angle of the target data, wherein the slag dumping information includes multiple historical slag dumping operation data.

12. The converter tapping control system as described in claim 11, wherein the container is a slag bucket, and the control module includes a slag bucket slag receiving control model; the processor calculates the target data based on the virtual fluid parameters according to the control module, and further includes: configuring the processor to: determine a virtual projection position of a slag body flowing to the ground in the virtual environment based on an inclination angle of the converter; in response to the inclination angle of the converter being less than a critical angle, calculate a first position projected onto the ground from an intermediate point between a side edge of the furnace mouth and a center of the furnace mouth, as a first target position of the slag bucket; and in response to the inclination angle of the converter being greater than the critical angle, calculate a second position projected onto the ground from the center of the furnace mouth, as a second target position of the slag bucket.

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