A control system and method for an intelligent air-cooled steel strip dry slag discharge machine

Abstract

The present invention provides a control system and method for an intelligent air-cooled steel strip dry slag discharger, which belongs to the field of control technology, and includes: real-time monitoring of air-cooled equipment to determine first information and real-time monitoring of steel strips to determine second information; constructing a coordinate system based on the second information and determining a temperature field; calculating the temperature gradient of ash at each coordinate point based on the temperature field and determining a temperature change function; generating a control command based on the first information, the temperature field, the temperature gradient and the temperature change function to perform intelligent real-time control on the air-cooled steel strip dry slag discharger. The monitoring data can be analyzed in real time, and flexible and accurate control commands can be generated to realize intelligent real-time control of the air-cooled steel strip dry slag discharger, improve the ash treatment efficiency, and improve the stability and reliability of the system.

Description

Technical Field

[0001] The present invention relates to the field of control technology, and in particular to a control system and method for an intelligent air-cooled steel strip dry slag discharger. Background Art

[0002] The dry slag removal system uses air self-inhalation to treat the bottom slag without using water. It has the advantages of energy saving, water saving, and environmental protection. It is widely used in industrial fields such as steel smelting, aluminum alloy smelting, and casting. However, the current dry slag removal machine has a low level of intelligent control and cannot achieve timely, flexible and accurate control, resulting in reduced production efficiency and poor system stability and reliability.

[0003] Therefore, the present invention provides a control system and method for an intelligent air-cooled steel strip dry slag discharger. Summary of the invention

[0004] The invention provides a control system and method for an intelligent air-cooled steel strip dry slag discharger, which are used to solve the control defects in the prior art.

[0005] On the one hand, the present invention provides a control system for an intelligent air-cooled steel strip dry slag discharger, comprising:

[0006] Monitoring module: real-time monitoring of the air cooling device to determine the first information and real-time monitoring of the steel strip to determine the second information;

[0007] Analysis module: constructing a coordinate system based on the second information and determining a temperature field;

[0008] Calculation module: calculates the temperature gradient of ash at each coordinate point based on the temperature field and determines the temperature change function;

[0009] Control module: Generates control commands based on the first information, temperature field, temperature gradient and temperature change function to perform intelligent real-time control on the air-cooled steel strip dry slag discharge machine.

[0010] According to a control system of an intelligent air-cooled steel strip dry slag discharge machine provided by the present invention, the first information includes: cold air temperature, cold air speed, cold air direction, cold air flow rate and warm air temperature of the air-cooling equipment;

[0011] The second information includes: ash composition, ash position and ash temperature corresponding to the ash position.

[0012] According to the control system of an intelligent air-cooled steel strip dry slag discharger provided by the present invention, the analysis module comprises:

[0013] A setting unit: setting a mapping graph for all ash components in the second information, and setting a color mapping parameter based on all ash temperatures in the second information;

[0014] Construction unit: Construct a coordinate system based on the ash mapping graphics, color mapping parameters and ash position.

[0015] According to the control system of an intelligent air-cooled steel strip dry slag discharger provided by the present invention, the analysis module comprises:

[0016] Unit division: meshing the coordinate system based on the color mapping parameters of the ash and slag to determine the finite element unit, wherein each finite element unit includes a number of coordinate points;

[0017] Boundary condition unit: determine the boundary conditions of each boundary coordinate point of all finite element units;

[0018] A second temperature value calculation unit: based on all ash temperatures in the second information, calculates the second temperature value of the ash at each coordinate point under each finite element unit;

[0019] ;in, represents the second temperature value of the ash at the kth coordinate point in the finite element unit i, represents the first calculated value of the ash at the kth coordinate point in the finite element unit i based on the non-boundary coordinate point, represents the second calculated value of the ash at the kth coordinate point in the finite element unit i based on the boundary coordinate point, They represent the three-dimensional coordinates of the ash in the coordinate system at the kth coordinate point in the finite element unit i, iN1 represents the number of non-boundary coordinate points in the finite element unit i, They represent the three-dimensional coordinates of the ash in the coordinate system at the jth non-boundary coordinate point in the finite element unit i, represents the ash temperature of the ash at the kth coordinate point in the finite element i, It represents the influence coefficient of the ash at the jth non-boundary coordinate point on the ash at the kth coordinate point in the finite element unit i, represents the ash temperature of the ash at the jth non-boundary coordinate point, It represents the influence value of the ash at the iN1th non-boundary coordinate point on the ash at the kth coordinate point in the finite element unit i, represents the number of coordinate points on the boundary of finite element i, They represent the three-dimensional coordinates of the ash in the coordinate system at the lth boundary coordinate point, It represents the influence coefficient of the ash at the lth boundary coordinate point on the ash at the kth coordinate point in the finite element unit i, represents the ash temperature of the ash at the lth boundary coordinate point, It represents the influence value of the ash at the iN2 boundary coordinate points on the ash at the kth coordinate point in the finite element unit i. represents the boundary temperature value of the ath boundary condition of the ash at the lth boundary coordinate point, represents the boundary coefficient of the ath boundary condition of the ash at the lth boundary coordinate point, It represents the influence value of N1 boundary conditions in finite element unit i on the ash at the kth coordinate;

[0020] Temperature field unit: Determine the temperature field T based on the second temperature value of the ash at each coordinate point under each finite element unit.

[0021] According to the control system of an intelligent air-cooled steel strip dry slag discharger provided by the present invention, the computing module comprises:

[0022] Temperature gradient unit: calculate the temperature gradient of ash at each coordinate point based on the temperature field;

[0023] ;in, represents the gradient operator, represents the temperature gradient of the ash at the kth coordinate point in the finite element unit i, , Respectively represent the partial derivatives of the temperature field T with respect to the x-coordinate, y-coordinate, and z-coordinate, They represent the temperature change rates of the ash in the x-direction, y-direction, and z-direction at the k-th coordinate point in the finite element unit i, respectively.

[0024] According to the control system of an intelligent air-cooled steel strip dry slag discharger provided by the present invention, the computing module comprises:

[0025] Temperature change function unit: based on the temperature gradient of the ash at each coordinate point in the temperature field and the ash composition, determine the temperature change function of the ash at each coordinate point in the temperature field;

[0026] ;in, represents the ash mass of the ash at the kth coordinate point in the finite element unit i, represents the ash volume of the ash at the kth coordinate point in the finite element unit i, represents the ash specific heat capacity of the ash at the kth coordinate point in the finite element unit i, represents the ash thermal conductivity of the ash at the kth coordinate point in the finite element unit i, represents the heat transfer value of the cold air to the ash in the first information, It represents the rate of change of the second temperature of the ash at the kth coordinate point in the finite element unit i with time, It represents the heat transfer function along the coordinate system in each spatial direction, and A represents the set of all coordinate points involved in the temperature field.

[0027] According to a control system of an intelligent air-cooled steel strip dry slag discharger provided by the present invention, the control module comprises:

[0028] Extraction unit: extracting features from the first information to determine a first feature;

[0029] Generation unit: input the first feature, temperature field, temperature gradient at each coordinate point and temperature change function into the control model, and generate control commands to realize the control of the air-cooled steel strip dry slag discharge machine.

[0030] On the other hand, the present invention also provides a control method for an intelligent air-cooled steel strip dry slag discharger, comprising:

[0031] S101: real-time monitoring of the air cooling device to determine first information and real-time monitoring of the steel strip to determine second information;

[0032] S102: constructing a coordinate system based on the second information, and determining a temperature field;

[0033] S103: Calculate the temperature gradient of ash at each coordinate point based on the temperature field and determine the temperature change function;

[0034] S104: Generate a control command based on the first information, the temperature field, the temperature gradient and the temperature change function to perform intelligent real-time control on the air-cooled steel strip dry slag discharge machine.

[0035] Compared with the prior art, the present invention has the following beneficial effects:

[0036] The first information and the second information are determined by real-time monitoring of the air-cooled equipment and the steel strip, the second information is analyzed to construct a coordinate system, determine the temperature field, calculate the temperature gradient and determine the temperature change function, and a control command is generated according to the first information, the temperature field, the temperature gradient and the temperature change function. The monitoring data can be analyzed in real time to generate flexible and accurate control commands, thereby realizing intelligent real-time control of the air-cooled steel strip dry slag discharger, improving the ash treatment efficiency, and improving the stability and reliability of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are 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.

[0038] Figure 1 It is a structural schematic diagram of a control system of an intelligent air-cooled steel strip dry slag discharge machine provided by an embodiment of the present invention;

[0039] Figure 2It is a flow chart of a control method of an intelligent air-cooled steel strip dry slag discharge machine provided by an embodiment of the present invention;

[0040] Figure 3 A structural diagram of a coordinate system provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the 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.

[0042] Embodiment 1:

[0043] The embodiment of the present invention provides a control system for an intelligent air-cooled steel strip dry slag discharge machine, such as Figure 1 As shown, including:

[0044] Monitoring module: real-time monitoring of the air cooling device to determine the first information and real-time monitoring of the steel strip to determine the second information;

[0045] Analysis module: constructing a coordinate system based on the second information and determining a temperature field;

[0046] Calculation module: calculates the temperature gradient of ash at each coordinate point based on the temperature field and determines the temperature change function;

[0047] Control module: Generates control commands based on the first information, temperature field, temperature gradient and temperature change function to perform intelligent real-time control on the air-cooled steel strip dry slag discharge machine.

[0048] In this embodiment, the coordinate system includes the three-dimensional coordinates of the ash at all coordinate points, the ash composition mapped by graphics, and the ash temperature mapped by color mapping parameters.

[0049] In this embodiment, the temperature field includes the second temperature values ​​of the ash at all boundary coordinate points and non-boundary coordinate points in all finite elements.

[0050] In this embodiment, the temperature gradient indicates the direction in which the temperature of the ash changes fastest at the coordinate point and the amount of change per unit distance.

[0051] In this embodiment, the temperature change function represents the temperature change law of the ash at the coordinate point under the action of cold wind.

[0052] In this embodiment, each three-dimensional coordinate in the coordinate system corresponds to a second temperature value, each three-dimensional coordinate corresponds to a temperature gradient, and the three-dimensional coordinate corresponds to a temperature transformation function.

[0053] In this embodiment, the control command system determines the operating instructions for the air cooling equipment and the steel belt based on the first information and the second information monitored in real time. For example, the control commands may include adjusting the cold air speed, changing the conveyor belt speed, changing the cold air direction, increasing the cold air flow, etc.

[0054] The beneficial effects of the above technical solution are as follows: the first information and the second information are determined by real-time monitoring of the air-cooling equipment and the steel strip, the second information is analyzed to construct a coordinate system, determine the temperature field, calculate the temperature gradient and determine the temperature change function, and a control command is generated according to the first information, the temperature field, the temperature gradient and the temperature change function. The monitoring data can be analyzed in real time to generate flexible and accurate control commands, thereby realizing intelligent real-time control of the air-cooled steel strip dry slag discharger, improving the ash treatment efficiency, and improving the stability and reliability of the system.

[0055] Embodiment 2:

[0056] The embodiment of the present invention provides a control system for an intelligent air-cooled steel strip dry slag discharger, wherein the first information includes: cold air temperature, cold air speed, cold air direction, cold air flow rate and warm air temperature of the air-cooling device;

[0057] The second information includes: ash composition, ash position and ash temperature corresponding to the ash position.

[0058] In this embodiment, the high-temperature slag falls onto the continuously running dry slag machine conveyor belt after passing through the slag pit and the shutoff door. The slag moves at a low speed on the conveyor belt and is finally collected in the slag bin for storage and regular unloading.

[0059] In this embodiment, warm air refers to the air after the cold air reversely enters the dry slag machine and exchanges heat with the ash on the conveyor belt, the slag temperature decreases, and the cold air temperature increases to become warm air.

[0060] In this embodiment, the warm air enters the boiler in the reverse direction along the slag pit. During the process of entering the furnace, the warm air and the high-temperature ash and slag are fully heat exchanged again, the slag temperature is reduced, and the warm air temperature is increased to become hot air.

[0061] In this embodiment, the ash composition is determined according to the type of high-temperature slag processed by the steel belt dry slag discharger. For example, when processing coal-fired ash, the ash composition includes limestone, fly ash, bottom ash, and coal slag.

[0062] In this embodiment, the ash characteristics are determined based on the boiler fuel. For example, the ash characteristics may be as shown in Table 1.1 below:

[0063] Table 1.1 Ash characteristics

[0064]

[0065] In this embodiment, the ash position can be monitored in real time by a position sensor, such as an encoder or a laser ranging sensor.

[0066] In this embodiment, the first information and the second information are monitored in real time according to sensors. For example, the ash position can be monitored by a laser ranging sensor, and the ash temperature, cold air temperature and warm air temperature can be monitored by a temperature sensor.

[0067] The beneficial effect of the above technical solution is as follows: by determining the first information and the second information, the information of the air cooling equipment and the steel strip can be obtained in real time, providing a data basis for generating intelligent control strategies and commands.

[0068] Embodiment 3:

[0069] The embodiment of the present invention provides a control system of an intelligent air-cooled steel strip dry slag discharge machine, and an analysis module, including:

[0070] A setting unit: setting a mapping graph for all ash components in the second information, and setting a color mapping parameter based on all ash temperatures in the second information;

[0071] Construction unit: Construct a coordinate system based on the ash mapping graphics, color mapping parameters and ash position.

[0072] In this embodiment, the mapping graphics represent different graphic mappings for different ash components. For example, when processing coal ash, the graphic mappings of limestone, fly ash, bottom ash and coal ash are represented as triangle, circle, ellipse and square respectively.

[0073] In this embodiment, the ash mapping pattern is filled according to the color mapping parameters of the ash temperature. For example, the temperature changes from low to high in a gradient from blue to red. Low-temperature ash will appear in blue, and high-temperature ash will appear in red.

[0074] In this embodiment, the coordinate system visualizes the ash position, ash temperature and ash composition of all ash, such as Figure 3 As shown, the horizontal axis is hz, the vertical axis is sz, and (hz, sz) represents the coordinate points of the coordinate system. For example, it includes 3 coordinate points, namely: coordinate (hz1, sz1), coordinate (hz2, sz2), coordinate (hz3, sz3), and the content under each coordinate is concretely represented corresponding to A1, A2, and A3 respectively, among which A1 involves circle, square, and triangle, representing fly ash, coal slag, and limestone respectively, A2 involves circle and square, representing fly ash and coal slag respectively, A3 involves ellipse and triangle, representing bottom ash and limestone respectively, among which, the filling colors used for circle, square, and triangle are different, and the grayscale corresponding to different colors is different (different grayscales correspond to different ash temperatures).

[0075] The beneficial effects of the above technical solution are as follows: by setting mapping graphics, color mapping parameters, and building a coordinate system in combination with the ash position, the ash position and temperature distribution can be visualized, the changes in the ash position and temperature distribution can be monitored in real time, the ash treatment efficiency can be improved, the system control strategy can be optimized, and the accuracy of the control commands can be improved.

[0076] Embodiment 4:

[0077] The embodiment of the present invention provides a control system for an intelligent air-cooled steel strip dry slag discharger, wherein the analysis module comprises:

[0078] Unit division: meshing the coordinate system based on the color mapping parameters of the ash and slag to determine the finite element unit, wherein each finite element unit includes a number of coordinate points;

[0079] Boundary condition unit: determine the boundary conditions of each boundary coordinate point of all finite element units;

[0080] A second temperature value calculation unit: based on all ash temperatures in the second information, calculates the second temperature value of the ash at each coordinate point under each finite element unit;

[0081] ;in, represents the second temperature value of the ash at the kth coordinate point in the finite element unit i, represents the first calculated value of the ash at the kth coordinate point in the finite element unit i based on the non-boundary coordinate point, represents the second calculated value of the ash at the kth coordinate point in the finite element unit i based on the boundary coordinate point, They represent the three-dimensional coordinates of the ash in the coordinate system at the kth coordinate point in the finite element unit i, iN1 represents the number of non-boundary coordinate points in the finite element unit i, They represent the three-dimensional coordinates of the ash in the coordinate system at the jth non-boundary coordinate point in the finite element unit i, represents the ash temperature of the ash at the kth coordinate point in the finite element i, It represents the influence coefficient of the ash at the jth non-boundary coordinate point on the ash at the kth coordinate point in the finite element unit i, represents the ash temperature of the ash at the jth non-boundary coordinate point, It represents the influence value of the ash at the iN1th non-boundary coordinate point on the ash at the kth coordinate point in the finite element unit i, represents the number of coordinate points on the boundary of finite element i, They represent the three-dimensional coordinates of the ash in the coordinate system at the lth boundary coordinate point, It represents the influence coefficient of the ash at the lth boundary coordinate point on the ash at the kth coordinate point in the finite element unit i, represents the ash temperature of the ash at the lth boundary coordinate point, It represents the influence value of the ash at the iN2 boundary coordinate points on the ash at the kth coordinate point in the finite element unit i. represents the boundary temperature value of the ath boundary condition of the ash at the lth boundary coordinate point, represents the boundary coefficient of the ath boundary condition of the ash at the lth boundary coordinate point, It represents the influence value of N1 boundary conditions in finite element unit i on the ash at the kth coordinate;

[0082] Temperature field unit: Determine the temperature field T based on the second temperature value of the ash at each coordinate point under each finite element unit.

[0083] In this embodiment, the finite element unit may be a triangle, a quadrilateral, a tetrahedron, a hexahedron or the like.

[0084] In this embodiment, the coordinate system is divided into a number of finite element units.

[0085] In this embodiment, the coordinate system is meshed according to the color mapping parameter range of the ash to determine the finite element units, and the coordinate system is divided into small areas so that each finite element unit can accurately visualize the ash temperature of the ash. A finite element unit may include iN1 non-boundary coordinate points and iN2 boundary coordinate points, and the number of coordinate points in each finite element unit may be different.

[0086] In this embodiment, one boundary coordinate point includes N1 boundary conditions.

[0087] In this embodiment, the boundary conditions represent limiting conditions related to the ash temperature, including thermal conductivity, convection coefficient, etc., wherein the thermal conductivity represents the heat conduction condition between the ash and the steel strip, and the convection coefficient represents the heat conduction condition during the contact heat transfer between the cold air and the ash.

[0088] In this embodiment, the second temperature value represents the ash temperature at each coordinate point after being affected by the ash at other non-boundary coordinate points in the corresponding finite element unit and the ash at the boundary coordinate point.

[0089] The beneficial effects of the above technical solution are as follows: by dividing the finite element unit, calculating the second temperature value of the ash at each coordinate point under each finite element unit, and determining the temperature field T, and performing refined analysis and calculation on the ash temperature at each coordinate point, the resolution and accuracy of the temperature field can be improved, the control strategy of the system can be optimized, and the accuracy of the control command can be improved.

[0090] Embodiment 5:

[0091] The embodiment of the present invention provides a control system for an intelligent air-cooled steel strip dry slag discharger, wherein the computing module comprises:

[0092] Temperature gradient unit: calculate the temperature gradient of ash at each coordinate point based on the temperature field;

[0093] ;in, represents the gradient operator, represents the temperature gradient of the ash at the kth coordinate point in the finite element unit i, , Respectively represent the partial derivatives of the temperature field T with respect to the x-coordinate, y-coordinate, and z-coordinate, They represent the temperature change rates of the ash in the x-direction, y-direction, and z-direction at the k-th coordinate point in the finite element unit i, respectively.

[0094] In this embodiment, the temperature gradient is a vector, the direction of the vector represents the direction in which the ash temperature changes fastest, and the magnitude of the vector represents the ash temperature.

[0095] In this embodiment, the ash at each coordinate point in the coordinate system corresponds to a temperature gradient.

[0096] In this embodiment, the temperature gradient of the ash at each coordinate point is calculated to determine the heat conduction and heat convection conditions during the ash treatment process.

[0097] In this embodiment, the air volume of the air cooling device can be increased for the area with a larger temperature gradient, or the working intensity of the air cooling device can be reduced for the area with a smaller temperature gradient.

[0098] In this embodiment, the temperature gradient is kept within a suitable range, so as to reduce thermal stress and deformation caused by temperature difference.

[0099] The beneficial effects of the above technical solution are as follows: by calculating the temperature gradient of the ash at all coordinate points according to the temperature field, the monitoring data can be analyzed in real time, the temperature change trend and rate can be determined, the ash temperature in the temperature field can be balanced, the ash treatment efficiency can be improved, the control strategy of the system can be optimized, the accuracy of the control commands can be improved, and the stability and consistency of the system can be improved.

[0100] Embodiment 6:

[0101] The embodiment of the present invention provides a control system for an intelligent air-cooled steel strip dry slag discharger, wherein the computing module comprises:

[0102] Temperature change function unit: based on the temperature gradient of the ash at each coordinate point in the temperature field and the ash composition, determine the temperature change function of the ash at each coordinate point in the temperature field;

[0103] ;in, represents the ash mass of the ash at the kth coordinate point in the finite element unit i, represents the ash volume of the ash at the kth coordinate point in the finite element unit i, represents the ash specific heat capacity of the ash at the kth coordinate point in the finite element unit i, represents the ash thermal conductivity of the ash at the kth coordinate point in the finite element unit i, represents the heat transfer value of the cold air to the ash in the first information, It represents the rate of change of the second temperature of the ash at the kth coordinate point in the finite element unit i with time, It represents the heat transfer function along the coordinate system in each spatial direction, and A represents the set of all coordinate points involved in the temperature field.

[0104] In this embodiment, the temperature variation function represents the temperature variation law of the ash at the coordinate point under the action of cold wind in unit time.

[0105] In this embodiment, the ash at each coordinate point in the coordinate system corresponds to a temperature transformation function.

[0106] In this embodiment, the temperature transformation function at the coordinate point is determined according to the corresponding temperature gradient, ash composition and the heat transfer value of the cold air to the ash.

[0107] In this embodiment, the temperature control and regulation during the ash treatment process is achieved through the temperature change function.

[0108] The beneficial effects of the above technical solution are as follows: the temperature change function of the ash at all coordinate points is determined by the temperature gradient and the ash composition, the temperature change trend of the ash at each coordinate point in the future can be predicted according to the current temperature gradient and the ash composition, the monitoring data can be analyzed in real time, the control strategy of the system can be optimized, the accuracy of the control command can be improved, the ash processing efficiency can be improved, and the energy consumption and production costs can be reduced.

[0109] Embodiment 7:

[0110] The embodiment of the present invention provides a control system for an intelligent air-cooled steel strip dry slag discharger, wherein the control module comprises:

[0111] Extraction unit: extracting features from the first information to determine a first feature;

[0112] Generation unit: input the first feature, temperature field, temperature gradient at each coordinate point and temperature change function into the control model, and generate control commands to realize the control of the air-cooled steel strip dry slag discharge machine.

[0113] In this embodiment, the first feature may be a wind speed feature, a wind direction feature, a flow feature, a wind temperature change feature, or the like.

[0114] In this embodiment, the first characteristic, temperature field, temperature gradient and temperature change function are the input of the control model, and the control command is the output of the control model. The control model generates an output command based on the input and control strategy, wherein the control strategy can be PID control, model predictive control, fuzzy logic control, etc.

[0115] In this embodiment, the control command represents a real-time operation instruction for the air cooling equipment and the steel belt, and may include several sub-commands. The control command may include increasing the conveyor belt speed, changing the cold air direction, increasing the cold air flow rate, etc.

[0116] The beneficial effects of the above technical solution are as follows: by generating control commands through the first feature, temperature field, temperature gradient at each coordinate point and temperature change function, accurate control commands can be generated according to the temperature distribution of all finite element units and temperature change trends, thereby optimizing the cooling effect of ash and slag, improving ash and slag processing efficiency, achieving timely response and adjustment of the system, and improving the stability and reliability of the system.

[0117] Embodiment 8:

[0118] The embodiment of the present invention provides a control method for an intelligent air-cooled steel strip dry slag discharger, comprising:

[0119] S101: real-time monitoring of the air cooling device to determine first information and real-time monitoring of the steel strip to determine second information;

[0120] S102: constructing a coordinate system based on the second information, and determining a temperature field;

[0121] S103: Calculate the temperature gradient of ash at each coordinate point based on the temperature field and determine the temperature change function;

[0122] S104: Generate a control command based on the first information, the temperature field, the temperature gradient and the temperature change function to perform intelligent real-time control on the air-cooled steel strip dry slag discharge machine.

[0123] The beneficial effects of the above technical solution are as follows: the first information and the second information are determined by real-time monitoring of the air-cooling equipment and the steel strip, the second information is analyzed to construct a coordinate system, determine the temperature field, calculate the temperature gradient and determine the temperature change function, and a control command is generated according to the first information, the temperature field, the temperature gradient and the temperature change function. The monitoring data can be analyzed in real time to generate flexible and accurate control commands, thereby realizing intelligent real-time control of the air-cooled steel strip dry slag discharger, improving the ash treatment efficiency, and improving the stability and reliability of the system.

[0124] The embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art may understand and implement it without creative effort.

[0125] Through the description of the above implementation methods, those skilled in the art can clearly understand that each implementation method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be implemented by hardware. Based on this understanding, the above technical solution is essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or some parts of the embodiments.

[0126] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A control system for an intelligent air-cooled steel strip dry slag discharger, characterized in that: include: Monitoring module: real-time monitoring of the air cooling device to determine the first information and real-time monitoring of the steel strip to determine the second information; Analysis module: constructing a coordinate system based on the second information and determining a temperature field; Calculation module: calculates the temperature gradient of ash at each coordinate point based on the temperature field and determines the temperature change function; Control module: based on the first information, the temperature field, the temperature gradient and the temperature change function, generates a control command to perform intelligent real-time control on the air-cooled steel strip dry slag discharge machine; Wherein, the analysis module includes: Unit division: meshing the coordinate system based on the color mapping parameters of the ash and slag to determine the finite element unit, wherein each finite element unit includes a number of coordinate points; Boundary condition unit: determine the boundary conditions of each boundary coordinate point of all finite element units; A second temperature value calculation unit: based on all ash temperatures in the second information, calculates the second temperature value of the ash at each coordinate point under each finite element unit; ;in, represents the second temperature value of the ash at the kth coordinate point in the finite element unit i, represents the first calculated value of the ash at the kth coordinate point in the finite element unit i based on the non-boundary coordinate point, represents the second calculated value of the ash at the kth coordinate point in the finite element unit i based on the boundary coordinate point, They represent the three-dimensional coordinates of the ash in the coordinate system at the kth coordinate point in the finite element unit i, iN1 represents the number of non-boundary coordinate points in the finite element unit i, They represent the three-dimensional coordinates of the ash in the coordinate system at the jth non-boundary coordinate point in the finite element unit i, represents the ash temperature of the ash at the kth coordinate point in the finite element i, It represents the influence coefficient of the ash at the jth non-boundary coordinate point on the ash at the kth coordinate point in the finite element unit i, represents the ash temperature of the ash at the jth non-boundary coordinate point, It represents the influence value of the ash at the iN1th non-boundary coordinate point on the ash at the kth coordinate point in the finite element unit i, represents the number of coordinate points on the boundary of finite element i, They represent the three-dimensional coordinates of the ash in the coordinate system at the lth boundary coordinate point, It represents the influence coefficient of the ash at the lth boundary coordinate point on the ash at the kth coordinate point in the finite element unit i, represents the ash temperature of the ash at the lth boundary coordinate point, It represents the influence value of the ash at the iN2 boundary coordinate points on the ash at the kth coordinate point in the finite element unit i. represents the boundary temperature value of the ath boundary condition of the ash at the lth boundary coordinate point, represents the boundary coefficient of the ath boundary condition of the ash at the lth boundary coordinate point, It represents the influence value of N1 boundary conditions in finite element unit i on the ash at the kth coordinate; Temperature field unit: Determine the temperature field T based on the second temperature value of the ash at each coordinate point under each finite element unit.

2. The control system of the intelligent air-cooled steel strip dry slag discharger according to claim 1 is characterized in that: The first information includes: cold air temperature, cold air speed, cold air direction, cold air flow rate and warm air temperature of the air cooling device; The second information includes: ash composition, ash position and ash temperature corresponding to the ash position.

3. The control system of the intelligent air-cooled steel strip dry slag discharger according to claim 2 is characterized in that: The analysis module comprises: A setting unit: setting a mapping graph for all ash components in the second information, and setting a color mapping parameter based on all ash temperatures in the second information; Construction unit: Construct a coordinate system based on the ash mapping graphics, color mapping parameters and ash position.

4. The control system of the intelligent air-cooled steel strip dry slag discharger according to claim 1 is characterized in that: The computing module comprises: Temperature gradient unit: calculate the temperature gradient of ash at each coordinate point based on the temperature field; ;in, represents the gradient operator, represents the temperature gradient of the ash at the kth coordinate point in the finite element unit i, , Respectively represent the partial derivatives of the temperature field T with respect to the x-coordinate, y-coordinate, and z-coordinate, They represent the temperature change rates of the ash in the x-direction, y-direction, and z-direction at the k-th coordinate point in the finite element unit i, respectively.

5. The control system of the intelligent air-cooled steel strip dry slag discharge machine according to claim 4 is characterized in that: The computing module comprises: Temperature change function unit: based on the temperature gradient of the ash at each coordinate point in the temperature field and the ash composition, determine the temperature change function of the ash at each coordinate point in the temperature field; ;in, represents the ash mass of the ash at the kth coordinate point in the finite element unit i, represents the ash volume of the ash at the kth coordinate point in the finite element unit i, represents the ash specific heat capacity of the ash at the kth coordinate point in the finite element unit i, represents the ash thermal conductivity of the ash at the kth coordinate point in the finite element unit i, represents the heat transfer value of the cold air to the ash in the first information, It represents the rate of change of the second temperature of the ash at the kth coordinate point in the finite element unit i with time, It represents the heat transfer function along the coordinate system in each spatial direction, and A represents the set of all coordinate points involved in the temperature field.

6. The control system of the intelligent air-cooled steel strip dry slag discharger according to claim 5 is characterized in that: The control module comprises: Extraction unit: extracting features from the first information to determine a first feature; Generation unit: input the first feature, temperature field, temperature gradient at each coordinate point and temperature change function into the control model, and generate control commands to realize the control of the air-cooled steel strip dry slag discharge machine.

7. A control method for an intelligent air-cooled steel strip dry slag discharger, characterized in that: include: S101: real-time monitoring of the air cooling device to determine first information and real-time monitoring of the steel strip to determine second information; S102: constructing a coordinate system based on the second information, and determining a temperature field; S103: Calculate the temperature gradient of ash at each coordinate point based on the temperature field and determine the temperature change function; S104: generating a control command based on the first information, the temperature field, the temperature gradient, and the temperature change function to perform intelligent real-time control on the air-cooled steel strip dry slag discharge machine; Among them, S102 includes: Meshing the coordinate system based on the color mapping parameters of the ash and slag to determine finite element units, wherein each finite element unit includes a number of coordinate points; Determine the boundary conditions of each boundary coordinate point of all finite element units; Based on all ash temperatures in the second information, calculate the second temperature value of the ash at each coordinate point under each finite element unit; ;in, represents the second temperature value of the ash at the kth coordinate point in the finite element unit i, represents the first calculated value of the ash at the kth coordinate point in the finite element unit i based on the non-boundary coordinate point, represents the second calculated value of the ash at the kth coordinate point in the finite element unit i based on the boundary coordinate point, They represent the three-dimensional coordinates of the ash in the coordinate system at the kth coordinate point in the finite element unit i, iN1 represents the number of non-boundary coordinate points in the finite element unit i, They represent the three-dimensional coordinates of the ash in the coordinate system at the jth non-boundary coordinate point in the finite element unit i, represents the ash temperature of the ash at the kth coordinate point in the finite element i, It represents the influence coefficient of the ash at the jth non-boundary coordinate point on the ash at the kth coordinate point in the finite element unit i, represents the ash temperature of the ash at the jth non-boundary coordinate point, It represents the influence value of the ash at the iN1th non-boundary coordinate point on the ash at the kth coordinate point in the finite element unit i, represents the number of coordinate points on the boundary of finite element i, They represent the three-dimensional coordinates of the ash in the coordinate system at the lth boundary coordinate point, It represents the influence coefficient of the ash at the lth boundary coordinate point on the ash at the kth coordinate point in the finite element unit i, represents the ash temperature of the ash at the lth boundary coordinate point, It represents the influence value of the ash at the iN2 boundary coordinate points on the ash at the kth coordinate point in the finite element unit i. represents the boundary temperature value of the ath boundary condition of the ash at the lth boundary coordinate point, represents the boundary coefficient of the ath boundary condition of the ash at the lth boundary coordinate point, It represents the influence value of N1 boundary conditions in finite element unit i on the ash at the kth coordinate; The temperature field T is determined based on the second temperature value of the ash at each coordinate point under each finite element unit.

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