CN-120698697-B - Basalt fiber multi-bushing wire drawing control method, system, equipment and medium

CN120698697BCN 120698697 BCN120698697 BCN 120698697BCN-120698697-B

Abstract

The application discloses a basalt fiber multi-bushing wire drawing control method, a basalt fiber multi-bushing wire drawing control system, basalt fiber multi-bushing wire drawing control equipment and a basalt fiber multi-bushing wire drawing control medium, which comprise the following steps of obtaining real-time temperature, real-time viscosity and melt flow of a target bushing and target fiber diameter of the target bushing; the method comprises the steps of inputting real-time temperature, real-time viscosity, melt flow and target fiber diameter into a preset dynamic balance equation to obtain a dynamic balance index, judging whether the dynamic balance index is larger than a preset index threshold, inputting the melt flow into a preset flow compensation equation to obtain a flow compensation value if the dynamic balance index is larger than the preset index threshold, guiding a wire drawing control process to reach preset time based on the flow compensation value, judging whether the dynamic balance index is larger than the preset index threshold again, inputting the real-time temperature into the preset temperature compensation equation to obtain a temperature compensation value if the dynamic balance index is larger than the preset index threshold, guiding the wire drawing control process based on the temperature compensation value, and reasonably planning and regulating the priority order of indexes and improving the wire drawing regulation efficiency.

Inventors

HUANG DECHAO
HUANG CHAO
LI JINZE
RAN JINGPING
PENG YANG

Assignees

成都蜀虹装备制造股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250709

Claims (6)

1. The basalt fiber multi-bushing wire drawing control method is characterized by comprising the following steps of: acquiring the real-time temperature, the real-time viscosity, the melt flow and the target fiber diameter of the target bushing; Inputting the real-time temperature, the real-time viscosity, the melt flow and the target fiber diameter into a preset dynamic balance equation to obtain a dynamic balance index, wherein the expression of the dynamic balance equation is as follows: BI=|1-[∑(T i *Q i )/(η i *d i 2 )]/K|; Wherein BI is a dynamic balance index, T i is a real-time temperature of an ith target bushing, Q i is a melt flow of the ith target bushing, η i is a real-time viscosity of the ith target bushing, d i is a target fiber diameter at the ith target bushing, K is a standard balance index, i=1, 2,3, n, n is a number of target bushing, and an expression of the real-time viscosity η i is η i =A*exp(E/(R*T i )) + B*ln(Q i /Q 0 ), wherein a is a first compensation factor, B is a second compensation factor, E is a viscous flow activation energy, R is a gas constant, and Q 0 is a reference flow; Judging whether the dynamic balance index is larger than a preset index threshold value, if not, returning to acquiring the real-time temperature, the real-time viscosity, the melt flow and the target fiber diameter of the target bushing; If so, inputting the melt flow into a preset flow compensation equation to obtain a flow compensation value, guiding the wire drawing control process to reach preset time based on the flow compensation value, and returning to obtain the real-time temperature, the real-time viscosity and the melt flow of the target bushing and the target fiber diameter at the target bushing, wherein the expression of the flow compensation equation is delta Q=epsilon (Q i /Q max ) 2 *sgn(d i -d), wherein delta Q is the flow compensation value, epsilon is a flow gain coefficient, Q max is the maximum flow of a single bushing design, d is the standard diameter of the fiber, sgn (d i -d) is a sign function, sgn (d i -d) =1 when d i > d and sgn (d i -d)=-1,d i < d); Judging whether the dynamic balance index is larger than a preset index threshold value again, if not, returning to acquiring the real-time temperature, the real-time viscosity, the melt flow and the target fiber diameter of the target bushing; if yes, inputting the real-time temperature into a preset temperature compensation equation to obtain a temperature compensation value, and guiding the wire drawing control process based on the temperature compensation value, wherein the expression of the temperature compensation equation is deltaT=0.15/("0") η/ T) (. D i -d) +d (DeltaQ)/dt. Gamma. Where DeltaT is the temperature compensation value, η/ T is the viscosity-temperature gradient, which represents the instantaneous rate of change of viscosity per 1℃change of temperature, and gamma is the inhibition factor.
2. The basalt fiber multi-bushing wire drawing control method as set forth in claim 1, wherein before the real-time temperature, the real-time viscosity, the melt flow rate and the target fiber diameter at the target bushing are obtained, further comprising the steps of: Analyzing raw material components of basalt fibers to obtain aluminum oxide content and iron oxide content; Judging whether an abnormal triggering condition is reached according to the content of aluminum oxide and the content of ferric oxide, wherein the abnormal triggering condition is that the content of aluminum oxide is larger than a preset first content threshold value or the content of ferric oxide is larger than a preset second content threshold value; if yes, inputting the alumina content and the ferric oxide content into a preset viscosity feedforward compensation model to obtain a viscosity feedforward compensation value delta eta; And obtaining a wiredrawing pre-adjustment parameter according to the viscosity feedforward compensation value delta eta, wherein the wiredrawing pre-adjustment parameter comprises a wiredrawing adjustment speed V 'and a wiredrawing compensation temperature T', V '=V 0 *(1-0.05Δη),V 0 , wherein the wiredrawing adjustment speed is the wiredrawing initial speed, and T' =delta is the delta eta, and delta is a proportionality coefficient.
3. The basalt fiber multi-bushing wire drawing control method according to claim 2, wherein the viscosity feedforward compensation model has the following expression: Δη=0.02(C 1 -15%)+0.005(C 2 -12%); Wherein C 1 is the alumina content and C 2 is the iron oxide content.
4. A control system for a basalt fiber multi bushing filament drawing control method as defined in any one of claims 1 to 3, comprising: The parameter acquisition module is used for acquiring the real-time temperature, the real-time viscosity, the melt flow and the target fiber diameter of the target bushing; the index acquisition module is used for inputting the real-time temperature, the real-time viscosity, the melt flow and the target fiber diameter into a preset dynamic balance equation to obtain a dynamic balance index, wherein the expression of the dynamic balance equation is as follows: BI=|1-[∑(T i *Q i )/(η i *d i 2 )]/K|; Wherein BI is a dynamic balance index, T i is a real-time temperature of an ith target bushing, Q i is a melt flow of the ith target bushing, η i is a real-time viscosity of the ith target bushing, d i is a target fiber diameter at the ith target bushing, K is a standard balance index, i=1, 2,3, n, n is a number of target bushing, and an expression of the real-time viscosity η i is η i =A*exp(E/(R*T i )) + B*ln(Q i /Q 0 ), wherein a is a first compensation factor, B is a second compensation factor, E is a viscous flow activation energy, R is a gas constant, and Q 0 is a reference flow; The first data processing module is used for judging whether the dynamic balance index is larger than a preset index threshold value, and if not, returning to acquiring the real-time temperature, the real-time viscosity, the melt flow and the target fiber diameter of the target bushing; The flow compensation module is used for inputting the melt flow into a preset flow compensation equation to obtain a flow compensation value, guiding a wire drawing control process to reach preset time based on the flow compensation value, and returning to obtain the real-time temperature, the real-time viscosity, the melt flow and the target fiber diameter at the target bushing, wherein the expression of the flow compensation equation is delta Q=epsilon (Q i /Q max ) 2 *sgn(d i -d), wherein delta Q is the flow compensation value, epsilon is a flow gain coefficient, Q max is the maximum flow designed for a single bushing, d is the standard diameter of the fiber, sgn (d i -d) is a sign function, and sgn (d i -d) =1 when sgn (d i -d)=-1,d i < d); The second data processing module is used for judging whether the dynamic balance index is larger than a preset index threshold value again, and if not, returning to acquiring the real-time temperature, the real-time viscosity, the melt flow and the target fiber diameter of the target bushing; The temperature compensation module is used for inputting the real-time temperature into a preset temperature compensation equation to obtain a temperature compensation value, and guiding the wire drawing control process based on the temperature compensation value, wherein the expression of the temperature compensation equation is delta T=0.15/("DeltaT" η/ T) (. D i -d) +d (DeltaQ)/dt. Gamma. Where DeltaT is the temperature compensation value, η/ T is the viscosity-temperature gradient, which represents the instantaneous rate of change of viscosity per 1℃change of temperature, and gamma is the inhibition factor.
5. A computer device, characterized in that it comprises a memory in which a computer program is stored and a processor which executes the computer program, implementing the method according to any of claims 1-3.
6. A computer readable storage medium, having stored thereon a computer program, the computer program being executable by a processor to implement the method of any of claims 1-3.

Description

Basalt fiber multi-bushing wire drawing control method, system, equipment and medium Technical Field The application relates to the technical field of basalt fiber preparation control, in particular to a basalt fiber multi-bushing wire drawing control method systems, devices, and media. Background The continuous basalt fiber drawing is to draw basalt high-temperature melt into continuous fiber through a groove-shaped container, a bushing plate and bushing tip filaments distributed at the bottom of the bushing plate. The common hole numbers of the wire drawing bushing plates for producing continuous basalt fibers at present are 200 holes, 400 holes and 800 holes, and along with the increase of the hole numbers of the bushing plates and the number of the bushing plates, higher requirements are provided for the temperature distribution and the structural dimensional stability of the basalt fiber wire drawing bushing plates at high temperature. At present, aiming at a basalt fiber wiredrawing forming kiln with multiple bushing plates, the consistency and stability of fiber wiredrawing diameters at the bushing plates are required to be controlled in the wiredrawing forming process so as to improve the productivity and yield of products, and the existing basalt fiber wiredrawing regulating and controlling method has the defects of single monitoring index, low monitoring precision, single regulating mode, difficulty in regulating and controlling fiber wiredrawing to an ideal state and lower regulating and controlling efficiency. Disclosure of Invention The application mainly aims to provide a basalt fiber multi-bushing wire drawing control method, a basalt fiber multi-bushing wire drawing control system, basalt fiber multi-bushing wire drawing control equipment and a basalt fiber multi-bushing wire drawing control medium, and aims to solve the technical problem that an existing basalt fiber wire drawing control method is low in control efficiency. In order to achieve the above purpose, the application provides a basalt fiber multi-bushing wire drawing control method, which comprises the following steps: acquiring the real-time temperature, the real-time viscosity, the melt flow and the target fiber diameter of the target bushing; Inputting the real-time temperature, the real-time viscosity, the melt flow and the target fiber diameter into a preset dynamic balance equation to obtain a dynamic balance index; Judging whether the dynamic balance index is larger than a preset index threshold value, if not, returning to acquiring the real-time temperature, the real-time viscosity, the melt flow and the target fiber diameter of the target bushing; If yes, inputting the melt flow into a preset flow compensation equation to obtain a flow compensation value, guiding the wire drawing control process to reach preset time based on the flow compensation value, and returning to obtaining the real-time temperature, the real-time viscosity, the melt flow and the target fiber diameter of the target bushing; Judging whether the dynamic balance index is larger than a preset index threshold value again, if not, returning to acquiring the real-time temperature, the real-time viscosity, the melt flow and the target fiber diameter of the target bushing; If yes, inputting the real-time temperature into a preset temperature compensation equation to obtain a temperature compensation value, and guiding the wire drawing control process based on the temperature compensation value. Alternatively, the expression of the dynamic balance equation is: BI=|1-[∑(Ti*Qi)/(ηi*di2)]/K|; Where BI is the dynamic balance index, T i is the real-time temperature of the ith target bushing, Q i is the melt flow of the ith target bushing, η i is the real-time viscosity of the ith target bushing, d i is the target fiber diameter at the ith target bushing, K is the standard balance index, i=1, 2, 3. Alternatively, the expression of the real-time viscosity η i is: ηi=A*exp(E/(R*Ti)) + B*ln(Qi/Q0); Wherein A is a first compensation factor, B is a second compensation factor, E is viscous flow activation energy, R is a gas constant, and Q 0 is a reference flow. Alternatively, the expression of the flow compensation equation is: ΔQ=ε(Qi/Qmax)2*sgn(di-d); Where Δq is a flow compensation value, ε is a flow gain coefficient, Q max is a single bushing design maximum flow, d is a standard diameter of fiber, sgn (d i -d) is a sign function, sgn (d i -d) =1 when d i > d. Alternatively, the expression of the temperature compensation equation is: ΔT=0.15/(η/T)*(di-d)+d(ΔQ)/dt*γ; wherein, deltaT is a temperature compensation value, η/T is the viscosity-temperature gradient, which represents the instantaneous rate of change of viscosity per 1℃change of temperature, and gamma is the inhibition factor. Optionally, before acquiring the real-time temperature, the real-time viscosity, the melt flow rate and the target fiber diameter of the target bushing, the method further comprises t