CN116329290A - Steel rolling rhythm control method, device, medium and equipment - Google Patents

Steel rolling rhythm control method, device, medium and equipment Download PDF

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Publication number
CN116329290A
CN116329290A CN202310261209.2A CN202310261209A CN116329290A CN 116329290 A CN116329290 A CN 116329290A CN 202310261209 A CN202310261209 A CN 202310261209A CN 116329290 A CN116329290 A CN 116329290A
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China
Prior art keywords
slab
width
rolled
length
determined
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Pending
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CN202310261209.2A
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Chinese (zh)
Inventor
胡亮
周政
尹晓盼
尚楷淇
武文飞
高文刚
刘靖群
李建伟
王建强
刘东峰
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Shougang Jingtang United Iron and Steel Co Ltd
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Shougang Jingtang United Iron and Steel Co Ltd
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Application filed by Shougang Jingtang United Iron and Steel Co Ltd filed Critical Shougang Jingtang United Iron and Steel Co Ltd
Priority to CN202310261209.2A priority Critical patent/CN116329290A/en
Publication of CN116329290A publication Critical patent/CN116329290A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/005—Control of time interval or spacing between workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)

Abstract

The application provides a method, a device, a medium and equipment for controlling a rolling rhythm, wherein the method comprises the following steps: controlling the head of a slab with a to-be-determined width to run to an inlet roller way of a width determining machine so as to wait for the slab with the to-be-determined width to be determined; if a plate blank to be rolled exists in a region between an inlet roller way of a rolling mill and the rolling mill, and the plate blank to be rolled is rolled for the first time, timing after the vertical roller bites steel into the plate blank to be rolled; and if the timing reaches the set time, controlling the plate blank to be subjected to the width fixing to enter a width fixing machine for width fixing. The problem that the rolling rhythm is not well controlled because of the length change of the slab in the rolling mill production line to influence the production efficiency of rolling mill production line has been solved to this application, the scheme that this application provided can be according to the length of slab effective control rolling rhythm, reduces the latency of next slab when last slab is rolled, has improved the productivity effect, has reduced manufacturing cost, guarantees the high-quality stable production of rolling production line.

Description

Steel rolling rhythm control method, device, medium and equipment
Technical Field
The application relates to the technical field of steel rolling, in particular to a method, a device, a medium and equipment for controlling a steel rolling rhythm.
Background
When the width-fixing machine is in the width-fixing mode, the interlocking condition of the plate blank entering the width-fixing machine is that the previous plate blank bites steel in the rolling mill for 5 seconds. If the length of the rolled plate blank of the rolling mill is shorter than the length of the plate blank with the undetermined width at the inlet of the next width fixing machine, the waiting time of the rolling mill is longer, the production efficiency of a rolling mill production line is directly affected, and if the steel feeding gap is bigger, the production cost such as electricity consumption, fuel consumption and the like is increased, so that the environmental protection and control are indirectly affected. How to make the next slab enter the width-fixing machine in advance and be transported to the rolling mill when the slab length is changed, the reduction of the waiting time is a key point and a difficult point, which directly affects the productivity and the production efficiency of the rolling production line, and is the key for improving the benefit and reducing the production cost.
Based on the method, in continuous production, how to effectively control the rolling rhythm, reduce waiting time of the next slab when the last slab is rolled, ensure high-quality stable production of a rolling production line, and the method is a technical problem to be solved urgently.
Disclosure of Invention
The utility model provides a rolling rhythm control method, device, medium and equipment, this application has solved in the rolling mill production line because of the length of slab changes and has led to rolling rhythm bad control to influence the problem of the production efficiency of rolling mill production line, the scheme that this application provided can be according to the length of slab effective control rolling rhythm, reduces the latency of next slab when last slab is rolled, has improved the productivity effect, has reduced manufacturing cost, guarantees the high quality stable production of rolling production line.
Specifically, the application adopts the following technical scheme:
according to an aspect of the embodiments of the present application, there is provided a rolling mill rhythm control method, the method including: controlling the head of a slab with a to-be-determined width to run to an inlet roller way of a width determining machine so as to wait for the slab with the to-be-determined width to be determined; if a plate blank to be rolled exists in a region between an inlet roller way of a rolling mill and the rolling mill, and the plate blank to be rolled is rolled for the first time, timing after the vertical roller bites steel into the plate blank to be rolled; and if the timing reaches the set time, controlling the plate blank to be subjected to the width fixing to enter a width fixing machine for width fixing.
In some embodiments of the present application, based on the foregoing scheme, the method further includes: and if the to-be-rolled plate blank does not exist in the area between the inlet roller way of the width fixing machine and the rolling mill, controlling the to-be-rolled plate blank to enter the width fixing machine for width fixing.
In some embodiments of the present application, based on the foregoing solution, before controlling the blank to be widened into the widened machine for widening, the method further includes: acquiring the length of the slab to be rolled and the length of the slab to be determined; if the length of the slab with the width to be determined is smaller than or equal to the length of the slab to be rolled, determining a first preset time as the set time; and if the length of the slab with the width to be determined is larger than the length of the slab to be rolled, determining a second preset time as the set time, wherein the first preset time is larger than the second preset time.
In some embodiments of the present application, based on the foregoing solution, the first preset time is 7 seconds.
In some embodiments of the present application, the second preset time is determined by the following steps based on the foregoing scheme: acquiring a first preset time, the length of the slab to be rolled and the length of the slab to be rolled; and determining a second preset time based on the first preset time, the length of the slab with the width to be determined and the length of the slab to be rolled.
In some embodiments of the present application, based on the foregoing scheme, the second preset time is determined by the following formula:
T 2 ＝T 1 -(Lssp-LR1)*S
wherein T is 2 For a second preset time, T 1 And for a first preset time, lssp is the length of the slab with the width to be determined, LR1 is the length of the slab to be rolled, and S is an adjustment coefficient.
In some embodiments of the present application, the adjustment coefficient S is 1 to 1.5 based on the foregoing scheme.
According to an aspect of the embodiments of the present application, there is provided a rolling mill rhythm control device including: the first control unit is used for controlling the head of the slab with the undetermined width to run to an inlet roller way of the width determining machine so as to wait for the slab with the undetermined width to be subjected to width determining; the timing unit is used for timing after the vertical rolls bite steel of the slab to be rolled when the slab to be rolled is in first-pass rolling in the area between the inlet roller way of the rolling mill and the rolling mill; and the second control unit is used for controlling the plate blank to be subjected to width fixing to enter the width fixing machine for width fixing when the timing reaches the set time.
According to an aspect of the embodiments of the present application, there is provided a computer-readable storage medium having stored therein at least one program code loaded and executed by a processor to implement the operations performed by the rolling mill rhythm control method as described above.
According to an aspect of the embodiments of the present application, there is provided an electronic device including a memory storing a computer program and a processor that when executed implements the operations performed by the rolling mill rhythm control method as described above.
According to the technical scheme, the application has at least the following advantages and positive effects:
by adopting the scheme provided by the application, the problem that the rolling rhythm is not well controlled due to the change of the length of the slab in the rolling mill production line so as to influence the production efficiency of the rolling mill production line can be solved.
Drawings
For a clearer description of the technical solutions of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the description below are some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 illustrates a method flow diagram in one embodiment of the present application;
FIG. 2 shows a schematic view of a post-furnace descaler, width machine and mill area in one embodiment of the present application;
fig. 3 is a block diagram showing the construction of a rolling mill rhythm control device in one embodiment of the present application;
FIG. 4 illustrates a schematic diagram of a computer system suitable for use in implementing embodiments of the present application;
the reference numerals are as follows:
201-a furnace back dephosphorizing machine, 202-a dephosphorizing collecting pipe,
203-a dephosphorization roller way, 204-a width detector,
205-a hot metal detector, 206-a slab to be determined,
207-a width-fixing machine inlet roller way, 208-a width-fixing machine,
209—a fixed width machine entrance pinch roll; 210—a width-determining machine inlet guide roller;
211-a fixed width machine outlet guide roller; 212-a pinch roll at the outlet of the width-fixing machine;
213-a fixed width machine outlet roller way; 214-a rolling mill inlet roller way;
215-slab to be rolled; 216-a vertical roll;
217-mill inlet dephosphorization machine; 218-rolling mill.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the present application. One skilled in the relevant art will recognize, however, that the aspects of the application can be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc. In other instances, well-known methods, devices, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the application.
The flow diagrams depicted in the figures are exemplary only, and do not necessarily include all of the elements and operations/steps, nor must they be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the order of actual execution may be changed according to actual situations.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the objects so used may be interchanged where appropriate such that the embodiments of the present application described herein may be implemented in sequences other than those illustrated or described.
The implementation details of the technical solutions of the embodiments of the present application are described in detail below:
referring to fig. 1, fig. 1 is a flowchart of a method for controlling a rolling cadence in an embodiment of the present application.
In the application, when the slab is heated in a heating furnace, oxygen in air reacts with iron in the slab in a heating state, a thicker iron oxide skin layer is formed in the process, in order to ensure the quality of the slab, a post-furnace dephosphorization machine is adopted to remove iron oxide scales generated by the slab in the heating furnace after the slab is discharged from the furnace, the post-furnace descaler can use water with the pressure of 220bar to remove the furnace iron oxide scales on the surface of the slab, and the post-furnace descaler comprises two groups of dephosphorization headers which are symmetrically arranged up and down; after the oxidized iron sheet of the slab is removed, a width fixing machine is adopted to fix the width of the slab so that the specification of the slab meets the requirement of subsequent production; after the slab is fixed in width, the slab is controlled to pass through a dephosphorization machine at the inlet of the rolling mill to remove phosphorus, and the slab enters the rolling mill to be rolled after phosphorus removal.
In actual production, when the width-fixing machine is in the width-fixing mode, the interlocking condition of the plate blank entering the width-fixing machine is that the previous plate blank bites steel in the first rolling mill for 5 seconds. If the length of the slab to be rolled is shorter than that of the next slab, the waiting time of the rolling mill is longer, the production efficiency of a rolling mill production line is directly affected, and if the steel feeding gap is bigger, the production cost such as electricity consumption, fuel consumption and the like is increased, so that the environmental protection and control are indirectly affected.
According to an exemplary embodiment of the present application, there is provided a rolling mill rhythm control method including the steps S1 to S3 as follows:
and S1, controlling the head of the slab with the undetermined width to run to an inlet roller way of the width fixing machine to wait for the slab with the undetermined width to be fixed in width.
In the application, the oxidized iron scales on the surface of the slab with the undetermined width are removed in the furnace and the dephosphorization machine before the slab with the undetermined width is subjected to the undetermined width, and then the head of the slab with the undetermined width is controlled to run to an inlet roller way of the undetermined width machine so as to wait for the slab with the undetermined width to run to the undetermined width machine for the undetermined width.
And S2, if a slab to be rolled exists in the area between the inlet roller way of the rolling mill and the rolling mill, and the slab to be rolled is rolled for the first time, timing after the vertical roller bites steel into the slab to be rolled.
In the application, when the slab with the undetermined width is waiting on the inlet roller way of the width fixing machine, the area between the inlet roller way of the rolling mill and the rolling mill can be detected, and if the slab to be rolled exists in the area between the inlet roller way of the rolling mill and the rolling mill, and the slab to be rolled is in first rolling, the vertical roller is used for timing after the slab to be rolled bites steel.
And step S3, if the timing reaches the set time, controlling the plate blank to be subjected to width fixing to enter a width fixing machine for width fixing.
In the application, the vertical roll is used for timing after the steel biting of the slab to be rolled, if the timing reaches the preset time, the slab to be determined waiting at the inlet roller way of the width fixing machine can enter the width fixing machine for width fixing, and the slab to be determined is controlled to enter the width fixing machine for width fixing.
In one embodiment of the present application, the method further comprises:
and if the to-be-rolled plate blank does not exist in the area between the inlet roller way of the width fixing machine and the rolling mill, controlling the to-be-rolled plate blank to enter the width fixing machine for width fixing.
In the application, when the slab with the undetermined width is waiting on the inlet roller way of the width fixing machine, the area between the inlet roller way of the rolling mill and the rolling mill can be detected, and if the slab with the undetermined width is detected to be not in the area between the inlet roller way of the width fixing machine and the rolling mill, the slab with the undetermined width can be controlled to enter the width fixing machine for width fixing.
In one embodiment of the present application, before controlling the blank to be widened into the width-fixing machine for width fixing, the method further includes:
and acquiring the length of the slab with the width to be determined and the length of the slab to be rolled.
And if the length of the slab with the width to be determined is smaller than or equal to the length of the slab to be rolled, determining the first preset time as the set time.
And if the length of the slab with the width to be determined is larger than the length of the slab to be rolled, determining a second preset time as the set time, wherein the first preset time is larger than the second preset time.
In the application, on a slab production line, the lengths of every two continuous slabs may be unequal, the length of the slab to be rolled may be shorter than the length of the slab with the determined width, the waiting time of a rolling mill is longer, the energy consumption of the rolling mill is still caused during the waiting time, the production efficiency of the rolling mill production line is directly affected, the time for the slab with the determined width to enter the width fixing machine is determined according to the length of the slab to be rolled and the length of the slab with the determined width, the rolling rhythm is controlled well, and the steel feeding gap of the next slab after the last slab is rolled is shortened.
In the application, before the blank with the undetermined width is controlled to enter a width fixing machine for fixing the width, the length of the blank with the undetermined width and the length of the blank to be rolled are firstly obtained, the length of the blank with the undetermined width and the length of the blank to be rolled are compared, if the length of the blank with the undetermined width is smaller than or equal to the length of the blank to be rolled, a first preset time is determined as the set time, and when the timing reaches the set time (the first preset time), the blank with the undetermined width is controlled to enter the width fixing machine for fixing the width; and if the length of the slab with the undetermined width is larger than the length of the slab to be rolled, determining a second preset time as the set time, and controlling the slab with the undetermined width to enter a width fixing machine for width fixing when the timing reaches the set time (the second preset time). The first preset time may be greater than the second preset time.
In an embodiment of the present application, the first preset time may be 7 seconds, and the value of the first preset time is not particularly limited and may be adjusted according to actual production requirements.
In one embodiment of the present application, the second preset time is determined by:
acquiring a first preset time, the length of the slab to be rolled and the length of the slab to be rolled;
and determining a second preset time based on the first preset time, the length of the slab with the width to be determined and the length of the slab to be rolled.
In one embodiment of the present application, the second preset time may be determined by the following formula:
T 2 ＝T 1 -(Lssp-LR1)*S
wherein T is 2 For a second preset time, T 1 And for a first preset time, lssp is the length of the slab with the width to be determined, LR1 is the length of the slab to be rolled, and S is an adjustment coefficient.
In one embodiment of the present application, the adjustment coefficient S may be 1 to 1.5, and the present application does not particularly limit the adjustment coefficient S, and may be adjusted according to the needs in actual production.
The following examples further illustrate embodiments of the present application, but the embodiments of the present application are not limited to the following examples.
Referring to FIG. 2, FIG. 2 shows a schematic view of a post-furnace descaler, a width determinator, and a mill area in one embodiment of the present application.
In one embodiment of the present application, as shown in the schematic view of the post-furnace descaler, the width determinator and the mill sections of FIG. 2, it should be noted that the mill sections of the drawings, although only one mill is explicitly depicted, it is understood that mill 218 is the first mill of the mill section, followed by other mills.
With continued reference to fig. 2, after the slab 206 with the undetermined width is discharged from the furnace, the slab 206 with the undetermined width is controlled to run on a dephosphorization roller way 203, the slab 206 with the undetermined width is driven by the dephosphorization roller way 203 to enter a dephosphorization machine 201 after the furnace to remove the oxidized iron sheet on the surface of the slab 206 with the undetermined width, the speed of the descaling roller way can be 1.3m/s, and the oxidized iron sheet on the surface of the slab 206 with the undetermined width can be removed by using high-pressure water by using a dephosphorization header 202. After the dephosphorization is completed, the slab 206 with the undetermined width is transported out of the post-furnace dephosphorization machine 201 through the dephosphorization roller way 203, and a width detector 204 is installed at the outlet of the post-furnace dephosphorization machine 201 and can be used for detecting the width of the slab 206 with the undetermined width so as to facilitate the subsequent width determination of the slab 206 with the undetermined width.
With continued reference to fig. 2, after the width of the slab 206 to be determined by the width detector 204, the head of the slab 206 to be determined is controlled to move to the entrance roller way 207 of the width determining machine to wait for the slab 206 to be determined to be wide, the entrance roller way 207 of the width determining machine may be provided with a thermal metal detector 205 for detecting the position of the slab 206 to be determined, and whether the slab exists on the entrance roller way 207 of the width determining machine, after the thermal metal detector 205 detects the slab, the slab 206 to be determined is stopped, the side guide plate closes the centering slab, and the middle rear guide plate opens to a state of more than 200 mm. When the head of the slab 206 with the undetermined width runs to the inlet roller way 207 of the width-fixing machine for waiting with the fixed width, the area between the inlet roller way 214 of the rolling machine and the rolling machine 218 of the rolling machine can be detected, and if the slab 215 to be rolled exists in the area between the inlet roller way 214 of the rolling machine and the rolling machine 218 of the rolling machine, the timing is performed after the vertical roll 216 bites steel on the slab 215 to be rolled when the slab 215 to be rolled is in the first rolling; if the timing reaches the set time, the blank 206 with the undetermined width is controlled to enter the width fixing machine 208 for width fixing.
In a specific embodiment of the present application, it should be noted here that, when the head of the slab 206 to be determined is moved to the inlet roller table 207 of the width-determining machine for waiting to determine the width, as described above, there is also a case that, when the head of the slab 206 to be determined is moved to the inlet roller table 207 of the width-determining machine for waiting to determine the width, the area between the inlet roller table 207 of the width-determining machine and the rolling mill 218 may be detected, and if the area between the inlet roller table 207 of the width-determining machine and the rolling mill 218 does not have the slab 215 to be rolled, the slab 206 to be determined to enter the width-determining machine 208 for waiting.
With continued reference to fig. 2, before the pending wide slab 206 is controlled into the width-determining machine 208 for width determination, since the slab 215 to be rolled is considered to exist in the area between the roll table 214 and the roll mill 218, and this is the case when the slab 215 to be rolled is rolled in the first pass, since the lengths of every two continuous slabs may be unequal, it may happen that the length of the slab 215 to be rolled is shorter than the length of the slab 206 to be wide, which may cause the roll mill 218 to wait for a longer time, directly affecting the production efficiency of the rolling mill production line. The time for which the pending wide slab 206 enters the width setter 208 for width setting may be set according to the specific conditions of the length of the rolled slab and the length of the pending wide slab 206.
The length of the wide slab 206 to be determined and the length of the slab 215 to be rolled can be obtained; if the length of the wide slab 206 to be determined is less than or equal to the length of the slab 215 to be rolled, determining a first preset time (the first preset time may be 7s, or may be 7.5s or 6.5s, which is not particularly limited in this application and may be adjusted according to actual conditions) as the set time; if the length of the wide slab 206 to be determined is greater than the length of the slab 215 to be rolled, a second preset time is determined as the set time, and the first preset time is greater than the second preset time.
With continued reference to fig. 2, the second preset time may be determined by steps 11 to 12 as follows:
step 11, obtaining a first preset time, a length of the slab 206 with the width to be determined, and a length of the slab 215 to be rolled.
Step 12, determining a second preset time based on the first preset time, the length of the slab 206 to be determined and the length of the slab 215 to be rolled.
With continued reference to fig. 2, in a specific embodiment of the present application, it is noted here that the second preset time may be determined by the following formula:
T 2 ＝T 1 -(Lssp-LR1)*S
wherein T is 2 For a second preset time, T 1 For the first preset time, lssp is the length of the slab 206 with the predetermined width, LR1 is the length of the slab 215 to be rolled, and S is an adjustment coefficient, where the adjustment coefficient may be 1 to 1.5.
With continued reference to fig. 2, when the timing reaches a set time, the slab 206 to be determined is controlled to enter the width-determining machine 208 for width determination through the width-determining machine inlet roller way 207, and the width-determining machine 208 includes a width-determining machine inlet pinch roll 209, a width-determining machine inlet guide roll 210, a width-determining machine outlet guide roll 211, and a width-determining machine outlet pinch roll 212. The pinch rolls 209 at the inlet of the width-fixing machine and the pinch rolls 212 at the outlet of the width-fixing machine are symmetrically distributed up and down and can be used for clamping a slab in the width-fixing process; the inlet guide roller 210 and the outlet guide roller 211 are symmetrically arranged up and down, and can be used for preventing the slab from being separated upwards or downwards in the width fixing process.
In one embodiment of the present application, the width-fixing machine inlet pinch rollers 209 can clamp and convey the slab through the width-fixing machine inlet guide rollers 210, the width-fixing machine outlet guide rollers 211 and the width-fixing machine outlet pinch rollers 212 in a "stop-and-go" mode, wherein the hammerheads on two sides of the width-fixing machine 208 perform width reduction on slab extrusion in the stop-and-go process of the slab (the "stop-and-go" mode is that the hammerheads on two sides of the width-fixing machine 208 do not extrude the slab when the slab moves and the hammerheads on two sides of the width-fixing machine 208 extrude the slab when the slab stops moving so as to fix the slab to a set width); after the slab is subjected to width reduction through the width-fixing machine 208, the slab reaches a rolling mill inlet roller way 214 through a width-fixing machine outlet roller way 213, the width of the slab can be controlled through a vertical roller 216, and the vertical roller 216 and a rolling mill inlet dephosphorizing machine 217 remove the secondary oxidized iron scales on the surface of the slab and then reach a rolling mill 218 for rolling so as to roll the slab to the target thickness.
In one embodiment of the present application, it should be noted that in the fixed-width mode, the fixed-width machine is in a "stop-and-go" mode during the fixed-width process, and the main transmission system of the fixed-width machine has only one main motor. The torque is uniformly distributed to the two hammers through the transmission shaft and the universal joint shaft by the eccentric wheel device, so that the extrusion action is completed. Two hammerheads of the width-fixing machine act on two opposite sides of the slab; the two hammerheads of the width-fixing machine do reciprocating motion. After the slab stops, the slab is extruded within a certain range in the closing process of the hammer head. In the process of opening the hammer heads, the hammer heads lose contact with the plate blanks, the plate blanks can be conveyed forwards, the parts, with the widths not reduced, of the plate blanks enter the areas where the hammer heads can act, the length of each step of the plate blanks can be 400mm, and the maximum width reduction amount of the plate blanks can be 350mm.
The following describes an embodiment of the apparatus of the present application, which may be used to perform the rolling mill rhythm control method in the above-described embodiment of the present application. For details not disclosed in the embodiments of the apparatus of the present application, please refer to the embodiments of the method for controlling a rolling mill rhythm described in the present application.
Fig. 3 is a block diagram showing the construction of a rolling mill rhythm control device according to an embodiment of the present application.
Referring to fig. 3, a rolling cadence control device 300 according to an embodiment of the application, the condition monitoring device of the coiler includes: a first control unit 301, a timing unit 302, and a second control unit 303.
The first control unit 301 is configured to control the head of the slab with the undetermined width to run to the inlet roller way of the width determining machine, so as to wait for the slab with the undetermined width to be subjected to width determining.
The timing unit 302 is used for timing the steel biting of the slab to be rolled after the vertical rolls when the slab to be rolled is rolled for the first time in the area between the inlet roller way of the rolling mill and the rolling mill.
And the second control unit 303 is used for controlling the plate blank to be subjected to width fixing to enter the width fixing machine for width fixing when the timing reaches the set time.
Referring to fig. 4, fig. 4 shows a schematic diagram of a computer system suitable for use in implementing the electronic device of the embodiments of the present application.
As shown in fig. 4, the computer system 400 includes a central processing unit (Central Processing Unit, CPU) 401 that can perform various appropriate actions and processes, such as performing the methods described in the above embodiments, according to a program stored in a Read-Only Memory (ROM) 402 or a program loaded from a storage section 408 into a random access Memory (Random Access Memory, RAM) 403. In the RAM 403, various programs and data required for the system operation are also stored. The CPU 1101, ROM 402, and RAM 403 are connected to each other by a bus 404. An Input/Output (I/O) interface 405 is also connected to bus 404.
The following components are connected to the I/O interface 405: an input section 406 including a keyboard, a mouse, and the like; an output portion 407 including a Cathode Ray Tube (CRT), a liquid crystal display L (Liquid Crystal Display, LCD), and a speaker, etc.; a storage section 408 including a hard disk or the like; and a communication section 409 including a network interface card such as a LAN (Local Area Network ) card, a modem, or the like. The communication section 409 performs communication processing via a network such as the internet. The drive 410 is also connected to the I/O interface 405 as needed. A removable medium 411 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is installed on the drive 410 as needed, so that a computer program read therefrom is installed into the storage section 408 as needed.
In particular, according to embodiments of the present application, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, embodiments of the present application include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method shown in the flowcharts. In such an embodiment, the computer program may be downloaded and installed from a network via the communication portion 409 and/or installed from the removable medium 411. When executed by a Central Processing Unit (CPU) 401, performs the various functions defined in the system of the present application.
It should be noted that, the computer readable medium shown in the embodiments of the present application may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-Only Memory (ROM), an erasable programmable read-Only Memory (Erasable Programmable Read Only Memory, EPROM), flash Memory, an optical fiber, a portable compact disc read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present application, however, a computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wired, etc., or any suitable combination of the foregoing.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. Where each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units involved in the embodiments of the present application may be implemented by means of software, or may be implemented by means of hardware, and the described units may also be provided in a processor. Wherein the names of the units do not constitute a limitation of the units themselves in some cases.
According to an exemplary embodiment of the present application, the present application also proposes a computer-readable storage medium having stored therein at least one program code loaded and executed by a processor to implement the operations performed by the rolling cadence control method as described above.
According to an exemplary embodiment of the present application, there is also provided an electronic device including a memory and a processor, the memory storing a computer program, characterized in that the processor executes the computer program to implement the operations performed by the rolling cadence control method as described above.
It should be noted that although in the above detailed description several modules or units of a device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functions of two or more modules or units described above may be embodied in one module or unit, in accordance with embodiments of the present application. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.
According to the technical scheme, the application has at least the following advantages and positive effects:
firstly, adopt the scheme that this application put forward, can solve in the rolling mill production line because of the length of slab changes and lead to rolling rhythm bad control to influence the problem of rolling mill production line's production efficiency, the scheme that this application put forward can effectively control rolling rhythm according to the length of slab, reduces the latency of next slab when last slab rolls, has improved the productivity effect, has reduced manufacturing cost, guarantees rolling production line high quality and stably produces.
Secondly, by adopting the scheme provided by the application, the high-quality production of the production line can be ensured, the quality and the production efficiency of the product are improved, and the market competitiveness and the fund income are increased.
Thirdly, adopt the scheme that this application provided, compare in prior art reducible rolling mill latency 1 second ~ 7 seconds, can improve the production efficiency of rolling production line, save manufacturing cost such as power consumption, burn-up, indirectly play the effect of environmental protection.
While the present application has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration rather than of limitation. As the present application may be embodied in several forms without departing from the spirit or essential attributes thereof, it should be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalence of such metes and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. A method of controlling a rolling cadence, the method comprising:
controlling the head of a slab with a to-be-determined width to run to an inlet roller way of a width determining machine so as to wait for the slab with the to-be-determined width to be determined;
if a plate blank to be rolled exists in a region between an inlet roller way of a rolling mill and the rolling mill, and the plate blank to be rolled is rolled for the first time, timing after the vertical roller bites steel into the plate blank to be rolled;
and if the timing reaches the set time, controlling the plate blank to be subjected to the width fixing to enter a width fixing machine for width fixing.
2. The method according to claim 1, wherein the method further comprises:
and if the to-be-rolled plate blank does not exist in the area between the inlet roller way of the width fixing machine and the rolling mill, controlling the to-be-rolled plate blank to enter the width fixing machine for width fixing.
3. The method of claim 1, wherein prior to controlling the entry of the blank to be wider into a wider machine for wider sizing, the method further comprises:
acquiring the length of the slab to be rolled and the length of the slab to be determined;
if the length of the slab with the width to be determined is smaller than or equal to the length of the slab to be rolled, determining a first preset time as the set time;
and if the length of the slab with the width to be determined is larger than the length of the slab to be rolled, determining a second preset time as the set time, wherein the first preset time is larger than the second preset time.
4. A method according to claim 3, wherein the first preset time is 7 seconds.
5. A method according to claim 3, wherein the second preset time is determined by:
acquiring a first preset time, the length of the slab to be rolled and the length of the slab to be rolled;
and determining a second preset time based on the first preset time, the length of the slab with the width to be determined and the length of the slab to be rolled.
6. The method of claim 5, wherein the second preset time is determined by the following formula:
T 2 ＝T 1 -(Lssp-LR1)*S
wherein T is 2 For a second preset time, T 1 And for a first preset time, lssp is the length of the slab with the width to be determined, LR1 is the length of the slab to be rolled, and S is an adjustment coefficient.
7. The method of claim 6, wherein the adjustment factor S is 1 to 1.5.
8. A rolling mill cadence control device, the device comprising:
the first control unit is used for controlling the head of the slab with the undetermined width to run to an inlet roller way of the width determining machine so as to wait for the slab with the undetermined width to be subjected to width determining;
the timing unit is used for timing after the vertical rolls bite steel of the slab to be rolled when the slab to be rolled is in first-pass rolling in the area between the inlet roller way of the rolling mill and the rolling mill;
and the second control unit is used for controlling the plate blank to be subjected to width fixing to enter the width fixing machine for width fixing when the timing reaches the set time.
9. A computer readable storage medium having stored therein at least one program code loaded and executed by a processor to implement operations performed by the method of any of claims 1 to 7.
10. An electronic device comprising a memory and a processor, the memory storing a computer program, wherein the processor when executing the computer program is configured to perform the operations performed by the method of any one of claims 1 to 7.
CN202310261209.2A 2023-03-17 2023-03-17 Steel rolling rhythm control method, device, medium and equipment Pending CN116329290A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310261209.2A CN116329290A (en) 2023-03-17 2023-03-17 Steel rolling rhythm control method, device, medium and equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310261209.2A CN116329290A (en) 2023-03-17 2023-03-17 Steel rolling rhythm control method, device, medium and equipment

Publications (1)

Publication Number Publication Date
CN116329290A true CN116329290A (en) 2023-06-27

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Country Link
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