Rough rolling adaptive adjustment method and system

Abstract

This application provides a roughing rolling adaptive adjustment method and system, including: determining a new temperature drop adaptive coefficient for the current specification based on the measured outlet temperature of the final roughing pass and the previous temperature drop adaptive coefficient, and calculating and adjusting the temperature drop of the next product of the same specification based on the new temperature drop adaptive coefficient; determining a new rolling force adaptive coefficient for each roughing pass of the current specification based on the measured rolling force of each roughing pass and the previous rolling force adaptive coefficient, and calculating and adjusting the rolling force of the next product of the same specification based on the new rolling force adaptive coefficient; determining a roughing width adaptive coefficient based on the measured width of the final roughing pass, and determining a finishing width adaptive coefficient based on the measured width of the corresponding product at the finishing exit, and correcting the target width of the roughing intermediate billet for the next product of the same specification based on the roughing width adaptive coefficient and the finishing width adaptive coefficient. This application can effectively improve the control accuracy of the roughing pre-set settings and improve the thickness and width control accuracy of the intermediate billet.

Description

Technical Field

[0001] The present invention relates to the field of intelligent steel production applications, and in particular to a rough rolling adaptive adjustment method and system. Background Art

[0002] The hot-rolled coil production line of the steel mill is equipped with a 4-roll reversible roughing mill. Currently, the secondary system of the rolling line performs roughing pre-setting calculations based on the calculated furnace temperature after receiving the slab tapping telegram. Due to factors such as the deviation between the actual slab tapping temperature and the calculated furnace temperature, errors in the roughing pre-setting model itself, and changes in on-site working conditions, the control accuracy of the roughing pre-setting model is low, and the thickness and width of the intermediate slab often exceed the limit, affecting the stability of the finishing rolling and product quality. Summary of the Invention

[0003] In view of the above problems in the prior art, the present invention proposes a rough rolling adaptive adjustment method and system, which mainly solves the problem that the existing rough rolling preset model has low control accuracy, affecting the control accuracy of the thickness and width of the rough rolling intermediate billet.

[0004] In order to achieve the above-mentioned and other purposes, the technical solutions adopted by the present invention are as follows.

[0005] The present application provides a rough rolling adaptive adjustment method, comprising:

[0006] Obtaining measured parameters of each rough rolling pass, wherein the measured parameters include: measured outlet temperature of the last rough rolling pass, measured rolling force of each rough rolling pass, measured width of the last rough rolling pass, and measured width at the finish rolling outlet;

[0007] Determining a new temperature drop adaptive coefficient for the final rough rolling pass according to the measured outlet temperature of the final rough rolling pass and the corresponding old temperature drop adaptive coefficient, so as to calculate and adjust the temperature drop of the next product of the same specification according to the new temperature drop adaptive coefficient;

[0008] Determining a new rolling force adaptive coefficient for each rough rolling pass according to the actually measured rolling force for each rough rolling pass and the corresponding old rolling force adaptive coefficient, so as to calculate and adjust the rolling force for the next product of the same specification according to the new rolling force adaptive coefficient;

[0009] Determining a roughing width adaptive coefficient according to the actual measured width of the final roughing pass, and determining a finishing width adaptive coefficient according to the actual measured width of the finishing outlet of the corresponding product, so as to correct the target width of the next roughing intermediate billet of the same specification product according to the roughing width adaptive coefficient and the finishing width adaptive coefficient;

[0010] After completing the temperature drop calculation adjustment, rolling force calculation adjustment, and rough rolling intermediate billet target width correction, the on-site equipment is controlled to roll an intermediate billet that meets the requirements. In one embodiment of the present application, the calculation method for determining the new temperature drop adaptive coefficient for the final rough rolling pass based on the measured outlet temperature of the final rough rolling pass and the corresponding old temperature drop adaptive coefficient includes:

[0011] KTC(new)=KTC(old)–Gain*(ScanTemp-CalcTemp) / SumDrop

[0012] Where KTC(new) is the new temperature drop adaptive coefficient of the last pass of roughing rolling, and KTC(old) is the old temperature drop adaptive coefficient of the last pass of roughing rolling. ScanTemp represents the measured outlet temperature of the last pass of roughing rolling. CalcTemp is the outlet temperature of the last pass of roughing rolling calculated by the model. SumDrop represents the total temperature drop of roughing rolling. Gain represents the gain coefficient, which is a preset constant.

[0013] In one embodiment of the present application, a calculation method for adjusting the temperature drop of the next product of the same specification according to the new temperature drop adaptive coefficient includes:

[0014] TdSpray=2.5×(1+KTC)×0.001×(Ti-TWater) / VFlow(i)

[0015] Among them, TdSpray represents the temperature drop of water spray in rough rolling; Ti represents the inlet temperature of the i-th pass; TWater represents the cooling water temperature, KTC represents the temperature drop adaptive coefficient; VFlow(i) represents the volume flow rate of the i-th pass, where VFlow(i) = h0(i)*VR(i), h0(i) represents the inlet thickness of the i-th pass, and VR(i) represents the rolling speed of the i-th pass.

[0016] In one embodiment of the present application, a calculation method for determining a new rolling force adaptive coefficient for each rough rolling pass according to the actually measured rolling force for each rough rolling pass and the corresponding old rolling force adaptive coefficient includes:

[0017] Qpf(new)=(Qpi / Qp^i–1)*Gain+(1-Gain)*Qpf(old)

[0018] Wherein, Qpf(new) represents the new rolling force adaptive coefficient; Qpf(old) represents the preset rolling force adaptive coefficient for the current roughing pass; Qpi represents the stress state coefficient Qp calculated from the measured rolling force of the i-th pass; Qp^i represents the stress state coefficient used in the model calculation of the i-th pass; and Gain represents the gain coefficient. In one embodiment of the present application, the calculation method for adjusting the rolling force calculation of the next product of the same specification based on the new rolling force adaptive coefficient includes:

[0019] F(i)=B(i)×Lc(i)×Qp(i)×Km(i)×(1+Qpf(i))

[0020] Among them, F(i) represents the rolling force of the i-th pass; B(i) represents the entrance width of the i-th pass; Lc(i) represents the contact arc length of the i-th pass; Qp(i) represents the stress state coefficient of the i-th pass; Km(i) represents the deformation resistance of the i-th pass; Qpf(i) represents the adaptive coefficient of the rolling force of the i-th pass.

[0021] In one embodiment of the present application, determining the rough rolling width adaptive coefficient according to the actual measured width of the final rough rolling pass includes:

[0022] A first deviation value between the actually measured width of the final rough rolling pass and the preset width is calculated, and the first deviation value is used as the rough rolling width adaptive coefficient.

[0023] In one embodiment of the present application, the finishing width adaptive coefficient is determined according to the actual measured width of the finishing outlet of the corresponding product, including:

[0024] A second deviation value between the actually measured width at the finishing rolling exit and the preset width at the finishing rolling exit is calculated, and the second deviation value is used as the finishing rolling width adaptive coefficient.

[0025] In one embodiment of the present application, a method for calculating the target width correction of the next rough rolling intermediate billet of the same specification product according to the rough rolling width adaptive coefficient and the finishing width adaptive coefficient includes:

[0026] BR=BF+△BF+WLCR+WLCF

[0027] Among them, BR represents the target width of the rough rolling intermediate billet; BF represents the target width of the finished product; △BF represents the total width expansion of the strip between the finishing stands; WLCR represents the rough rolling width adaptive coefficient; WLCF represents the finishing width adaptive coefficient.

[0028] The present application also provides a rough rolling adaptive adjustment system, comprising:

[0029] a parameter acquisition module for acquiring measured parameters of each rough rolling pass, wherein the measured parameters include: the measured outlet temperature of the last rough rolling pass, the measured rolling force of each rough rolling pass, the measured width of the last rough rolling pass, and the measured width at the finishing rolling exit;

[0030] A temperature drop adjustment module is used to determine a new temperature drop adaptive coefficient for the final roughing pass based on the measured outlet temperature of the final roughing pass and the corresponding old temperature drop adaptive coefficient, so as to calculate and adjust the temperature drop of the next product of the same specification based on the new temperature drop adaptive coefficient;

[0031] A rolling force adjustment module is used to determine a new rolling force adaptive coefficient for each rough rolling pass based on the actually measured rolling force of each rough rolling pass and the corresponding old rolling force adaptive coefficient, so as to calculate and adjust the rolling force of the next product of the same specification based on the new rolling force adaptive coefficient;

[0032] a width adjustment module, configured to determine a roughing width adaptive coefficient based on the actual measured width of the final roughing pass, and to determine a finishing width adaptive coefficient based on the actual measured width of the finishing outlet of the corresponding product, so as to correct the target width of the next roughing intermediate billet of the same specification product based on the roughing width adaptive coefficient and the finishing width adaptive coefficient;

[0033] The control module is used to control the on-site equipment to roll out the intermediate billet that meets the requirements after completing the temperature drop calculation adjustment, rolling force calculation adjustment and rough rolling intermediate billet target width correction.

[0034] As described above, the present application provides a rough rolling adaptive adjustment method and system, which has the following beneficial effects.

[0035] The present application obtains the measured parameters of each rough rolling pass, wherein the measured parameters include: the measured outlet temperature of the last rough rolling pass, the measured rolling force of each rough rolling pass, the measured width of the last rough rolling pass, and the measured width of the finishing outlet; according to the measured outlet temperature of the last rough rolling pass and the corresponding old temperature drop adaptive coefficient, the new temperature drop adaptive coefficient of the last rough rolling pass is determined, so as to calculate and adjust the temperature drop of the next product of the same specification according to the new temperature drop adaptive coefficient; according to the measured rolling force of each rough rolling pass and the corresponding old rolling force adaptive coefficient, the new rolling force adaptive coefficient of each rough rolling pass is determined Adaptive coefficient, so as to calculate and adjust the rolling force of the next product of the same specification according to the new rolling force adaptive coefficient; determine the rough rolling width adaptive coefficient according to the actual measured width of the final rough rolling pass, and determine the finishing width adaptive coefficient according to the actual measured width of the corresponding product at the finishing exit, so as to correct the target width of the rough rolling intermediate billet of the next product of the same specification according to the rough rolling width adaptive coefficient and the finishing width adaptive coefficient; after completing the temperature drop calculation adjustment, rolling force calculation adjustment and rough rolling intermediate billet target width correction, control the on-site equipment to roll out the intermediate billet that meets the requirements. This application can improve the control accuracy of the rough rolling pre-set model by adjusting the rough rolling adaptive coefficient, ensure that the thickness and width of the intermediate billet meet the production requirements of finishing rolling, improve the control accuracy of the thickness and width of the intermediate billet, and improve the stability of finishing rolling. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 Schematic diagram of the flow of the rough rolling adaptive adjustment method in one embodiment of the present application.

[0037] Figure 2 This is a module diagram of a rough rolling adaptive adjustment system in one embodiment of the present application. DETAILED DESCRIPTION

[0038] The following describes the embodiments of the present invention through specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments. The details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other unless they conflict.

[0039] It should be noted that the illustrations provided in the following embodiments are merely schematic illustrations of the basic concept of the present invention. Therefore, the illustrations only show components related to the present invention and are not drawn according to the number, shape, and size of components in actual implementation. In actual implementation, the type, quantity, and proportion of each component may be changed arbitrarily, and the component layout may also be more complex.

[0040] The existing rough rolling secondary control model has no adaptive adjustment function, and it is impossible to improve the accuracy of the rough rolling pre-set model by correcting the model adaptive coefficient. In the actual production process, due to the large deviation of the rough rolling pre-set model, the thickness and width control accuracy of the rough rolling intermediate billet are low, affecting the production control and rolling stability of the subsequent processes.

[0041] Therefore, this application improves the control accuracy of the roughing rolling pre-set model by modifying the model's adaptive coefficient, eliminating the setting errors in the roughing rolling control model itself, effectively improving the control accuracy of the intermediate billet thickness and width, and avoiding large fluctuations in the intermediate billet thickness and width that affect subsequent production and control processes. The technical solution of this application is described in detail below with reference to specific embodiments.

[0042] See also Figure 1 , Figure 1 FIG1 is a flow chart of a roughing rolling adaptive adjustment method in an embodiment of the present application. The roughing rolling adaptive adjustment method in an embodiment of the present application includes the following steps.

[0043] Step S100, obtaining measured parameters of each rough rolling pass, wherein the measured parameters include: measured outlet temperature of the last rough rolling pass, measured rolling force of each rough rolling pass, measured width of the last rough rolling pass, and measured width of the finishing rolling outlet.

[0044] In one embodiment, sensors installed at corresponding locations on the roughing mill can be used to collect measured parameters for each roughing pass. For example, a temperature sensor such as a pyrometer installed at the roughing mill outlet can be used to obtain the measured outlet temperature of the final roughing pass. Pressure sensors installed under the roughing mill rolls can be used to obtain the measured rolling force of the corresponding pass. Width gauges can be used to obtain the measured width. The specific sensor selection and installation location can be adjusted according to actual production needs and are not limited here.

[0045] Step S200: determining a new temperature drop adaptive coefficient for the final rough rolling pass according to the measured outlet temperature of the final rough rolling pass and the corresponding old temperature drop adaptive coefficient, so as to calculate and adjust the temperature drop of the next product of the same specification according to the new temperature drop adaptive coefficient.

[0046] In one embodiment, a temperature drop calculation model can be set to adjust the temperature drop setting calculation of each rough rolling pass. Specifically, the temperature deviation can be calculated by the actual measured temperature at the outlet of the last rough rolling pass and the temperature drop model, and then the adaptive coefficient of the temperature drop model can be corrected.

[0047] In one embodiment, a calculation method for determining a new temperature drop adaptive coefficient for the final rough rolling pass based on the measured outlet temperature of the final rough rolling pass and the corresponding old temperature drop adaptive coefficient includes:

[0048] KTC(new)=KTC(old)–Gain*(ScanTemp-CalcTemp) / SumDrop

[0049] Where KTC(new) is the new temperature drop adaptive coefficient of the last pass of roughing rolling, and KTC(old) is the old temperature drop adaptive coefficient of the last pass of roughing rolling. ScanTemp represents the measured outlet temperature of the last pass of roughing rolling. CalcTemp is the outlet temperature of the last pass of roughing rolling calculated by the model. SumDrop represents the total temperature drop of roughing rolling. Gain represents the gain coefficient, which is a preset constant.

[0050] The new temperature drop adaptive coefficient is incorporated into the preset temperature drop calculation for the next slab of the same specification during rough rolling, thereby achieving accurate control and adjustment of the temperature drop calculation for each pass. The specific calculation method is as follows (taking the water spray temperature drop calculation as an example):

[0051] TdSpray=2.5×(1+KTC)×0.001×(Ti-TWater) / VFlow(i)

[0052] Among them, TdSpray represents the temperature drop of water spray in rough rolling; Ti represents the inlet temperature of the i-th pass; TWater represents the cooling water temperature, KTC represents the temperature drop adaptive coefficient; VFlow(i) represents the volume flow rate of the i-th pass, where VFlow(i) = h0(i)*VR(i), h0(i) represents the inlet thickness of the i-th pass, and VR(i) represents the rolling speed of the i-th pass.

[0053] Step S300, determining a new rolling force adaptive coefficient for each rough rolling pass based on the measured rolling force of each rough rolling pass and the corresponding old rolling force adaptive coefficient, so as to calculate and adjust the rolling force of the next product of the same specification based on the new rolling force adaptive coefficient.

[0054] In one embodiment, in the calculation formula for the rough rolling force, the deformation resistance and stress state use a theoretical formula, which can correctly reflect the changing trend of the rolling force under different conditions, but requires amplitude adjustment.

[0055] In one embodiment, a calculation method for determining a new rolling force adaptive coefficient for each rough rolling pass based on the actually measured rolling force for each rough rolling pass and the corresponding old rolling force adaptive coefficient includes:

[0056] Qpf(new)=(Qpi / Qp^i–1)*Gain+(1-Gain)*Qpf(old)

[0057] Among them, Qpf(new) represents the new rolling force adaptive coefficient; Qpf(old) represents the preset rolling force adaptive coefficient of the current rough rolling pass; Qpi represents the stress state coefficient Qp calculated from the measured rolling force of the i-th pass; Qp^i represents the stress state coefficient used in the i-th pass model calculation; Gain represents the gain coefficient.

[0058] The new rolling force adaptive coefficient is incorporated into the preset calculation of the rough rolling force of the next slab of the same specification, thereby achieving accurate control and adjustment of the rolling force of each pass.

[0059] In one embodiment, a method for calculating and adjusting the rolling force of the next product of the same specification according to the new rolling force adaptive coefficient includes:

[0060] F(i)=B(i)×Lc(i)×Qp(i)×Km(i)×(1+Qpf(i))

[0061] Among them, F(i) represents the rolling force of the i-th pass; B(i) represents the entrance width of the i-th pass; Lc(i) represents the contact arc length of the i-th pass; Qp(i) represents the stress state coefficient of the i-th pass; Km(i) represents the deformation resistance of the i-th pass; Qpf(i) represents the adaptive coefficient of the rolling force of the i-th pass.

[0062] Step S400, determining a rough rolling width adaptive coefficient according to the actual measured width of the final rough rolling pass, and determining a finishing width adaptive coefficient according to the actual measured width of the finishing outlet of the corresponding product, so as to correct the target width of the next rough rolling intermediate billet of the same specification product according to the rough rolling width adaptive coefficient and the finishing width adaptive coefficient.

[0063] In one embodiment, the strip width control of the hot rolling production line is mainly completed in the rough rolling stage, and the control target is the target width of the finished product. Generally, the width measuring instrument at the rough rolling and finishing rolling exits is used as the detection basis. The width adaptation is based on the actual measured width of the last pass of rough rolling and the actual measured width at the finishing rolling exit to correct the target width of the intermediate billet.

[0064] In one embodiment, a method for calculating the target width correction of the next rough rolling intermediate billet of the same specification product according to the rough rolling width adaptive coefficient and the finishing width adaptive coefficient includes:

[0065] BR=BF+△BF+WLCR+WLCF

[0066] Where BR represents the target width of the roughing intermediate bar; BF represents the target width of the finished product; ΔBF represents the total strip width spread between the finishing stands; WLCR represents the roughing width adaptive coefficient; and WLCF represents the finishing width adaptive coefficient. WLCR uses the actual width measured at the final roughing pass to learn the deviation between the preset value and the measured value. WLCF uses the actual width measured by the finishing width gauge to learn the deviation in width spread between finishing and roughing.

[0067] The new roughing and finishing width adaptive coefficients are incorporated into the roughing width preset calculation of the next slab of the same specification, thereby achieving accurate control and adjustment of the target width of the roughing intermediate slab. The adaptive adjustment range of WLCR and WLCF is ±20mm.

[0068] Step S500: After completing the temperature drop calculation adjustment, rolling force calculation adjustment, and rough rolling intermediate billet target width correction, control the on-site equipment to roll out the intermediate billet that meets the requirements.

[0069] In one embodiment, model adaptation between rough-rolled slabs is started after each piece of steel is rolled. The basis for its calculation is the adaptive coefficient of each pass and the calculated thickness of the intermediate slab, the measured data of the width and temperature of the last pass. By adjusting the temperature drop adaptive coefficient, the rolling force adaptive coefficient and the width adaptive coefficient of the rough rolling control model, the subsequent slab pre-setting calculation can adopt the latest model coefficient. The model adaptive coefficient is more adapted to the actual rolling conditions on site, thereby improving the control accuracy of the rough rolling pre-setting model.

[0070] See also Figure 2 This embodiment further provides a roughing rolling adaptive adjustment system for executing the roughing rolling adaptive adjustment method described in the aforementioned method embodiment. Because the technical principles of the system embodiment are similar to those of the aforementioned method embodiment, the same technical details will not be repeated here.

[0071] In one embodiment, a rough rolling adaptive adjustment system includes: a parameter acquisition module 10, which is used to obtain the measured parameters of each rough rolling pass, wherein the measured parameters include: the measured outlet temperature of the last rough rolling pass, the measured rolling force of each rough rolling pass, the measured width of the last rough rolling pass, and the measured width of the finishing outlet; a temperature drop adjustment module 11, which is used to determine the new temperature drop adaptive coefficient of the last rough rolling pass according to the measured outlet temperature of the last rough rolling pass and the corresponding old temperature drop adaptive coefficient, so as to calculate and adjust the temperature drop of the next product of the same specification according to the new temperature drop adaptive coefficient; a rolling force adjustment module 12, which is used to adjust the temperature drop of the next product of the same specification according to the measured rolling force of each rough rolling pass and the corresponding old rolling force adaptive coefficient. The coefficient is used to determine the new rolling force adaptive coefficient of each rough rolling pass, so as to calculate and adjust the rolling force of the next product of the same specification according to the new rolling force adaptive coefficient; the width adjustment module 13 is used to determine the rough rolling width adaptive coefficient according to the actually measured width of the last rough rolling pass, and to determine the finishing width adaptive coefficient according to the actually measured width of the finishing outlet of the corresponding product, so as to correct the target width of the rough rolling intermediate billet of the next product of the same specification according to the rough rolling width adaptive coefficient and the finishing width adaptive coefficient; the control module 14 is used to control the on-site equipment to roll out the intermediate billet that meets the requirements after completing the temperature drop calculation adjustment, rolling force calculation adjustment and correction of the target width of the rough rolling intermediate billet.

[0072] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed herein are intended to be covered by the claims of the present invention.

Claims

1. A rough rolling adaptive adjustment method, characterized in that: include: Obtaining measured parameters of each rough rolling pass, wherein the measured parameters include: measured outlet temperature of the last rough rolling pass, measured rolling force of each rough rolling pass, measured width of the last rough rolling pass, and measured width at the finish rolling outlet; The new temperature drop adaptive coefficient of the last roughing pass is determined according to the actually measured outlet temperature of the last roughing pass and the corresponding old temperature drop adaptive coefficient, so as to calculate and adjust the temperature drop of the next product of the same specification according to the new temperature drop adaptive coefficient. The calculation method for determining the new temperature drop adaptive coefficient of the last roughing pass according to the actually measured outlet temperature of the last roughing pass and the corresponding old temperature drop adaptive coefficient includes: KTC(new)=KTC(old)–Gain*(ScanTemp-CalcTemp) / SumDrop Where KTC(new) is the new temperature drop adaptive coefficient of the last pass of roughing rolling, KTC(old) is the old temperature drop adaptive coefficient of the last pass of roughing rolling; ScanTemp represents the measured outlet temperature of the last pass of roughing rolling; CalcTemp is the outlet temperature of the last pass of roughing rolling calculated by the model; SumDrop represents the total temperature drop of roughing rolling; Gain represents the gain coefficient, which is a preset constant; The calculation method for adjusting the temperature drop of the next product of the same specification according to the new temperature drop adaptive coefficient includes: TdSpray=2.5×(1+KTC)×0.001×(Ti-TWater) / VFlow(i) Wherein, TdSpray represents the rough rolling water spray temperature drop; Ti represents the inlet temperature of the i-th pass; TWater represents the cooling water temperature, KTC represents the temperature drop adaptive coefficient; VFlow(i) represents the volume flow rate of the i-th pass, where VFlow(i) = h0(i)*VR(i), h0(i) represents the inlet thickness of the i-th pass, and VR(i) represents the rolling speed of the i-th pass; The calculation method for determining the new rolling force adaptive coefficient of each rough rolling pass according to the actually measured rolling force of each rough rolling pass and the corresponding old rolling force adaptive coefficient includes: Qpf(new)=(Qpi / Qp^i–1)*Gain+(1-Gain)*Qpf(old) Wherein, Qpf(new) represents the new rolling force adaptive coefficient; Qpf(old) represents the preset rolling force adaptive coefficient of the current roughing pass; Qpi represents the stress state coefficient Qp calculated from the measured rolling force of the i-th pass; Qp^i represents the stress state coefficient used in the model calculation of the i-th pass; Gain represents the gain coefficient; Determining a new rolling force adaptive coefficient for each rough rolling pass based on the actually measured rolling force of each rough rolling pass and the corresponding old rolling force adaptive coefficient, so as to calculate and adjust the rolling force of the next product of the same specification based on the new rolling force adaptive coefficient; a calculation method for calculating and adjusting the rolling force of the next product of the same specification based on the new rolling force adaptive coefficient includes: F(i)=B(i)×Lc(i)×Qp(i)×Km(i)×(1+Qpf(i)) Where, F(i) represents the rolling force of the i-th pass; B(i) represents the entrance width of the i-th pass; Lc(i) represents the contact arc length of the i-th pass; Qp(i) represents the stress state coefficient of the i-th pass; Km(i) represents the deformation resistance of the i-th pass; Qpf(i) represents the adaptive coefficient of the rolling force of the i-th pass; Determining a roughing width adaptive coefficient according to the actually measured width of the final roughing pass, and determining a finishing width adaptive coefficient according to the actually measured width of the corresponding product at the finishing outlet, so as to correct the target width of the next roughing intermediate billet of the same specification product according to the roughing width adaptive coefficient and the finishing width adaptive coefficient; determining the roughing width adaptive coefficient according to the actually measured width of the final roughing pass includes: calculating a first deviation value between the actually measured width of the final roughing pass and a preset width, and using the first deviation value as the roughing width adaptive coefficient; determining the finishing width adaptive coefficient according to the actually measured width of the corresponding product at the finishing outlet includes: calculating a second deviation value between the actually measured width at the finishing outlet and the preset width at the finishing outlet, and using the second deviation value as the finishing width adaptive coefficient; a calculation method for correcting the target width of the next roughing intermediate billet of the same specification product according to the roughing width adaptive coefficient and the finishing width adaptive coefficient includes: BR=BF+△BF+WLCR+WLCF Among them, BR represents the target width of the roughing intermediate billet; BF represents the target width of the finished product; △BF represents the total width of the strip between the finishing mill stands; WLCR represents the roughing width adaptive coefficient; WLCF represents the finishing width adaptive coefficient; After completing the temperature drop calculation and adjustment, rolling force calculation and adjustment, and rough rolling intermediate billet target width correction, the on-site equipment is controlled to roll out the intermediate billet that meets the requirements.

2. A roughing rolling adaptive adjustment system for executing the roughing rolling adaptive adjustment method according to claim 1, characterized in that: include: a parameter acquisition module for acquiring measured parameters of each rough rolling pass, wherein the measured parameters include: the measured outlet temperature of the last rough rolling pass, the measured rolling force of each rough rolling pass, the measured width of the last rough rolling pass, and the measured width at the finishing rolling exit; A temperature drop adjustment module is used to determine a new temperature drop adaptive coefficient for the final roughing pass based on the measured outlet temperature of the final roughing pass and the corresponding old temperature drop adaptive coefficient, so as to calculate and adjust the temperature drop of the next product of the same specification based on the new temperature drop adaptive coefficient; A rolling force adjustment module is used to determine a new rolling force adaptive coefficient for each rough rolling pass based on the actually measured rolling force of each rough rolling pass and the corresponding old rolling force adaptive coefficient, so as to calculate and adjust the rolling force of the next product of the same specification based on the new rolling force adaptive coefficient; a width adjustment module, configured to determine a roughing width adaptive coefficient based on the actual measured width of the final roughing pass, and to determine a finishing width adaptive coefficient based on the actual measured width of the finishing outlet of the corresponding product, so as to correct the target width of the next roughing intermediate billet of the same specification product based on the roughing width adaptive coefficient and the finishing width adaptive coefficient; The control module is used to control the on-site equipment to roll out the intermediate billet that meets the requirements after completing the temperature drop calculation adjustment, rolling force calculation adjustment and rough rolling intermediate billet target width correction.

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