CN115655382A - Chemical fiber production line process on-line monitoring analysis system - Google Patents

Chemical fiber production line process on-line monitoring analysis system Download PDF

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CN115655382A
CN115655382A CN202211598537.3A CN202211598537A CN115655382A CN 115655382 A CN115655382 A CN 115655382A CN 202211598537 A CN202211598537 A CN 202211598537A CN 115655382 A CN115655382 A CN 115655382A
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carbon fiber
production line
fiber production
oxidation
carbonization
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CN115655382B (en
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王建平
王磊
王石
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Xuzhou Heping Chemical Fibre Co ltd
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Abstract

The invention relates to the technical field of chemical fiber production, and particularly discloses an online monitoring and analyzing system for a chemical fiber production line process, which comprises an oxidation information acquisition module, an oxidation information analysis and confirmation module, a carbonization information acquisition module, a carbonization information analysis and confirmation module, a surface treatment information acquisition module, a surface treatment analysis and confirmation module and an early warning terminal.

Description

Chemical fiber yarn production line technology on-line monitoring analysis system
Technical Field
The invention belongs to the technical field of chemical fiber yarn production, and relates to an online monitoring and analyzing system for a chemical fiber yarn production line process.
Background
The carbon fiber is a chemical fiber composed of carbon elements, and is widely applied to the fields of buildings, chemical engineering, industry and the like, so that the production line process of the carbon fiber needs to be monitored, the production quality of the carbon fiber is guaranteed, and a foundation is further provided for subsequent use of the carbon fiber.
Currently, the main method for analyzing the production quality of carbon fibers is to perform spot inspection on the produced carbon fibers, and it is obvious that the method has the following problems: 1. the method for detecting the quality of the carbon fibers in a spot check mode has strong contingency and sidedness, cannot comprehensively show the production quality of the carbon fibers, has certain limitation, cannot effectively guarantee the production quality of the carbon fibers, and cannot guarantee the safety and stability of the subsequent carbon fibers in the using process.
2. The current technology does not analyze the change of raw materials after the processing of each stage of the carbon fiber production line, so that the quality of the processing of each stage of the carbon fiber production line can not be analyzed, the qualified condition of the production of each stage of the carbon fiber production line can not be known, the quality of the finished carbon fiber production can not be guaranteed, and the production effect and the production efficiency of the carbon fiber production line can not be improved.
Disclosure of Invention
The invention aims to provide an on-line monitoring and analyzing system for a chemical fiber yarn production line process, which solves the problems in the background technology.
The purpose of the invention can be realized by the following technical scheme: a chemical fiber production line process on-line monitoring and analyzing system comprises: and the oxidation information acquisition module is used for dividing each oxidation acquisition time point according to a preset time interval in the oxidation process of the oxidation furnace in the specified carbon fiber production line, further acquiring the temperature and the oxygen concentration of the oxidation furnace at each oxidation acquisition time point in the specified carbon fiber production line, and acquiring the oxidation time in the oxidation furnace and the image of the oxidized raw material in the oxidation furnace.
And the oxidation information analysis and confirmation module is used for analyzing the oxidation process corresponding to the specified carbon fiber production line, analyzing the color of the oxidized raw material corresponding to the specified carbon fiber production line and further confirming the qualified condition of the oxidation quality corresponding to the specified carbon fiber production line.
And the carbonization information acquisition module is used for dividing each carbonization acquisition time point according to a preset time interval in the carbonization process in the carbonization furnace in the specified carbon fiber production line, further acquiring the temperature, the nitrogen concentration, the hydrogen concentration and the oxygen concentration of the carbonization furnace at each carbonization acquisition time point in the specified carbon fiber production line, and acquiring the weight and the roughness of the raw materials before and after carbonization in the carbonization furnace in the specified carbon fiber production line.
And the carbonization information analysis and confirmation module is used for analyzing the carbonization process corresponding to the specified carbon fiber production line, analyzing the quality of the carbonized raw materials corresponding to the specified carbon fiber production line and further confirming the qualified condition of the carbonization quality corresponding to the specified carbon fiber production line.
The surface treatment information acquisition module is used for acquiring treatment information in surface treatment in a specified carbon fiber production line and apparent information of the carbon fiber after the surface treatment, wherein the treatment information comprises the pH value of electrolyte, the concentration of the electrolyte and the current, and the apparent information of the carbon fiber comprises roughness, the size of each groove and the distance between every two adjacent grooves.
And the surface treatment analysis and confirmation module is used for analyzing the treatment information corresponding to the surface treatment in the specified carbon fiber production line, analyzing the quality of the carbon fiber corresponding to the specified carbon fiber production line and further confirming the qualified condition of the surface treatment result corresponding to the specified carbon fiber production line.
And the early warning terminal is used for respectively giving early warning prompts when the oxidation quality, the carbonization quality or the surface treatment result corresponding to the specified carbon fiber production line is unqualified.
Optionally, the oxidation process corresponding to the specified carbon fiber production line is analyzed, and the specific analysis process is as follows: substituting the oxidation time in an oxidation furnace in a specified carbon fiber production line, the temperature corresponding to each oxidation acquisition time point and the oxygen concentration into a calculation formula
Figure 514874DEST_PATH_IMAGE001
In the method, a first oxidation quality coincidence index corresponding to a specified carbon fiber production line is obtained
Figure 104118DEST_PATH_IMAGE002
Wherein Y represents an oxidation time in an oxidation furnace in a specified carbon fiber production line,
Figure 946172DEST_PATH_IMAGE003
Figure 154431DEST_PATH_IMAGE004
respectively representing the temperature and the oxygen concentration of an oxidation furnace in a specified carbon fiber production line at the t-th oxidation acquisition time point,
Figure 31120DEST_PATH_IMAGE005
Figure 155981DEST_PATH_IMAGE006
respectively setting a reference temperature and a reference oxygen concentration corresponding to the t-th oxidation acquisition time point of an oxidation furnace in a specified carbon fiber production line,
Figure 485331DEST_PATH_IMAGE007
in order to set the reference oxidation time,
Figure 497281DEST_PATH_IMAGE008
Figure 228476DEST_PATH_IMAGE009
Figure 34889DEST_PATH_IMAGE010
the weight factors are respectively corresponding to the set oxidation time, the temperature of the oxidation furnace and the oxygen concentration in the oxidation furnace, t represents the number corresponding to each oxidation acquisition time point,
Figure 195743DEST_PATH_IMAGE011
optionally, the color of the oxidized raw material corresponding to the specified carbon fiber production line is analyzed, and the specific analysis process is as follows: dividing the image of the oxidized raw material in the oxidation furnace in the specified carbon fiber production line into sub-regions according to a preset size, and obtaining the hue, saturation and lightness corresponding to the image of each sub-region of the oxidized raw material in the oxidation furnace in the specified carbon fiber production line, thereby calculating to obtain the color coincidence index corresponding to the image of each sub-region of the oxidized raw material in the oxidation furnace in the specified carbon fiber production line.
According to the formula
Figure 995072DEST_PATH_IMAGE012
Obtaining the raw material oxidation color coincidence index corresponding to the specified carbon fiber production line
Figure 62998DEST_PATH_IMAGE013
Wherein, in the process,
Figure 555159DEST_PATH_IMAGE014
Figure 609834DEST_PATH_IMAGE015
respectively representing color conformity indexes corresponding to the i +1 th and i-th sub-area images of the oxidized raw material in an oxidation furnace in a specified carbon fiber production line,
Figure 681695DEST_PATH_IMAGE016
for a set allowable color to meet the exponential difference,
Figure 872636DEST_PATH_IMAGE017
i represents a number corresponding to each subarea image of the oxidized raw material in an oxidation furnace in a specified carbon fiber production line for the set correction factor corresponding to the oxidation color conforming index,
Figure 535699DEST_PATH_IMAGE018
optionally, the confirming step of confirming that the oxidation quality corresponding to the specified carbon fiber production line is qualified specifically includes: the first oxidation quality corresponding to the appointed carbon fiber production line is matched with an index
Figure 812090DEST_PATH_IMAGE019
And oxidation color of raw materialCoincidence index
Figure 218801DEST_PATH_IMAGE020
Substituting into a calculation formula
Figure 261319DEST_PATH_IMAGE021
In the method, the oxidation quality coincidence index corresponding to the specified carbon fiber production line is obtained
Figure 95282DEST_PATH_IMAGE022
Wherein
Figure 718025DEST_PATH_IMAGE023
Figure 148000DEST_PATH_IMAGE024
The first oxidation quality coincidence index and the raw material oxidation color coincidence index are set as weight factors corresponding to the first oxidation quality coincidence index and the raw material oxidation color coincidence index respectively.
And comparing the oxidation quality conformity index corresponding to the specified carbon fiber production line with the set standard oxidation quality conformity index, if the oxidation quality conformity index corresponding to the specified carbon fiber production line is greater than or equal to the standard oxidation quality conformity index, judging that the oxidation quality corresponding to the specified carbon fiber production line is qualified, otherwise, judging that the oxidation quality corresponding to the specified carbon fiber production line is unqualified.
Optionally, the carbonization process corresponding to the specified carbon fiber production line is analyzed, and the specific analysis process is as follows: substituting the temperature, the nitrogen concentration, the hydrogen concentration and the oxygen concentration of the carbonization furnace in each carbonization acquisition time point in a specified carbon fiber production line into a calculation formula
Figure 297222DEST_PATH_IMAGE025
In the method, a first carbonization quality conformity index corresponding to the specified carbon fiber production line is obtained
Figure 52819DEST_PATH_IMAGE026
In which
Figure 287492DEST_PATH_IMAGE027
Figure 377283DEST_PATH_IMAGE028
Figure 397323DEST_PATH_IMAGE029
Figure 307510DEST_PATH_IMAGE030
Respectively indicates the carbonization furnaces in the specified carbon fiber production line
Figure 780211DEST_PATH_IMAGE031
The temperature, the nitrogen concentration, the hydrogen concentration and the oxygen concentration corresponding to the carbonization acquisition time point,
Figure 411043DEST_PATH_IMAGE032
Figure 534857DEST_PATH_IMAGE033
Figure 98169DEST_PATH_IMAGE034
Figure 573013DEST_PATH_IMAGE035
respectively in a set carbonization furnace
Figure 273115DEST_PATH_IMAGE036
The reference temperature, the reference nitrogen concentration, the reference hydrogen concentration and the reference oxygen concentration corresponding to the carbonization acquisition time point,
Figure 2168DEST_PATH_IMAGE037
Figure 254158DEST_PATH_IMAGE038
Figure 967030DEST_PATH_IMAGE039
Figure 595458DEST_PATH_IMAGE040
are respectively provided withDetermining weighting factors corresponding to the temperature of the carbonization furnace, the nitrogen concentration of the carbonization furnace, the hydrogen concentration of the carbonization furnace and the oxygen concentration of the carbonization furnace,
Figure 441666DEST_PATH_IMAGE041
a number corresponding to each carbonization acquisition time point is shown,
Figure 864557DEST_PATH_IMAGE042
and e is a natural constant.
Optionally, the quality of the carbonized raw material corresponding to the specified carbon fiber production line is analyzed, and the specific analysis process is as follows: substituting the weight and the roughness of the raw materials before and after carbonization in a carbonization furnace in a specified carbon fiber production line into a calculation formula
Figure 64726DEST_PATH_IMAGE043
In the method, the carbonization quality conformity index of the raw material corresponding to the specified carbon fiber production line is obtained
Figure 762423DEST_PATH_IMAGE044
Wherein, in the step (A),
Figure 466068DEST_PATH_IMAGE045
Figure 59861DEST_PATH_IMAGE046
respectively represents the weight of the raw material before and after carbonization in a carbonization furnace in a specified carbon fiber production line,
Figure 481746DEST_PATH_IMAGE047
Figure 451976DEST_PATH_IMAGE048
respectively representing the roughness corresponding to the raw materials before and after carbonization in a carbonization furnace in a specified carbon fiber production line,
Figure 272777DEST_PATH_IMAGE049
Figure 303050DEST_PATH_IMAGE050
respectively set weight reduction ratio and roughness reduction ratio of the carbonized raw material,
Figure 212231DEST_PATH_IMAGE051
Figure 595939DEST_PATH_IMAGE052
the weight factors are respectively corresponding to the set weight and roughness of the raw material.
Optionally, the confirmation of the qualified carbonization quality corresponding to the specified carbon fiber production line specifically includes the following steps: the first carbonization quality corresponding to the appointed carbon fiber production line is in accordance with the index
Figure 664389DEST_PATH_IMAGE053
According with the carbonization quality of raw materials
Figure 475350DEST_PATH_IMAGE054
Substituting into a calculation formula
Figure 121095DEST_PATH_IMAGE055
In the method, the carbonization quality conformity index corresponding to the specified carbon fiber production line is obtained
Figure 180931DEST_PATH_IMAGE056
Wherein, in the process,
Figure 228521DEST_PATH_IMAGE057
Figure 351329DEST_PATH_IMAGE058
and e is a natural constant.
And comparing the carbonization quality conformity index corresponding to the specified carbon fiber production line with a set standard carbonization quality conformity index, if the carbonization quality conformity index corresponding to the specified carbon fiber production line is greater than or equal to the standard carbonization quality conformity index, judging that the carbonization quality corresponding to the specified carbon fiber production line is qualified, otherwise, judging that the carbonization quality corresponding to the specified carbon fiber production line is unqualified.
Optionally, the processing information in the surface processing corresponding to the specified carbon fiber production line is analyzed, and the specific analysis process is as follows: substituting the pH value, electrolyte concentration and current of the electrolyte in the surface treatment in the specified carbon fiber production line into a calculation formula
Figure 484370DEST_PATH_IMAGE059
In the method, the first surface treatment result corresponding to the specified carbon fiber production line is obtained and accords with the index
Figure 85247DEST_PATH_IMAGE060
Wherein, in the step (A),
Figure 987344DEST_PATH_IMAGE061
Figure 281053DEST_PATH_IMAGE062
Figure 635811DEST_PATH_IMAGE063
respectively specifying the pH value, electrolyte concentration and current of the electrolyte in the surface treatment in the carbon fiber production line,
Figure 60886DEST_PATH_IMAGE064
Figure 83069DEST_PATH_IMAGE065
Figure 547680DEST_PATH_IMAGE066
respectively setting the pH value of the reference electrolyte, the concentration of the reference electrolyte and the reference current,
Figure 389734DEST_PATH_IMAGE067
Figure 597992DEST_PATH_IMAGE068
Figure 943523DEST_PATH_IMAGE069
respectively setting the pH value difference, the concentration difference and the current difference of the allowable electrolyte,
Figure 844614DEST_PATH_IMAGE070
Figure 439543DEST_PATH_IMAGE071
Figure 182984DEST_PATH_IMAGE072
the weight factors are respectively corresponding to the set pH value of the electrolyte, the electrolyte concentration and the current.
Optionally, the quality of the carbon fiber corresponding to the specified carbon fiber production line is analyzed, and the specific analysis process is as follows: substituting the roughness corresponding to the carbon fiber after surface treatment in the specified carbon fiber production line, the size of each groove and the distance between every two adjacent grooves into a calculation formula
Figure 258387DEST_PATH_IMAGE073
In the method, the quality conformity index of the carbon fiber corresponding to the specified carbon fiber production line is obtained
Figure 579647DEST_PATH_IMAGE074
Wherein, in the process,
Figure 881447DEST_PATH_IMAGE075
represents the roughness corresponding to the carbon fiber after surface treatment in a specified carbon fiber production line,
Figure 680775DEST_PATH_IMAGE076
showing the corresponding dimension of the jth groove of the carbon fiber after surface treatment in the specified carbon fiber production line,
Figure 17210DEST_PATH_IMAGE077
Figure 509371DEST_PATH_IMAGE078
respectively show the surface position in a specified carbon fiber production lineAfter treatment, the distance between the j +1 th groove and the j-th groove of the carbon fiber, and the distance between the j-th groove and the j-1 st groove of the carbon fiber,
Figure 29958DEST_PATH_IMAGE079
Figure 632977DEST_PATH_IMAGE080
respectively setting the standard groove size and the standard adjacent groove spacing,
Figure 89498DEST_PATH_IMAGE081
Figure 221402DEST_PATH_IMAGE082
Figure 622427DEST_PATH_IMAGE083
weight factors corresponding to the set roughness of the carbon fiber, the size of the groove and the distance between the grooves are respectively set, j represents the number corresponding to each groove,
Figure 514291DEST_PATH_IMAGE084
optionally, the confirming step of confirming that the surface treatment result corresponding to the specified carbon fiber production line is qualified specifically includes: the first surface treatment result corresponding to the appointed carbon fiber production line conforms to the index
Figure 74585DEST_PATH_IMAGE085
The quality of the carbon fiber meets the index
Figure 390773DEST_PATH_IMAGE086
Substituting into a calculation formula
Figure 669307DEST_PATH_IMAGE087
In the method, the obtained surface treatment result corresponding to the specified carbon fiber production line meets the index
Figure 364862DEST_PATH_IMAGE088
Wherein
Figure 779663DEST_PATH_IMAGE089
Figure 535260DEST_PATH_IMAGE090
And e is a natural constant, wherein the weight factors correspond to the set first surface treatment result coincidence index and the carbon fiber quality coincidence index respectively.
And comparing the surface treatment production quality conformity index corresponding to the specified carbon fiber production line with a set standard surface treatment production quality conformity index, if the surface treatment production quality conformity index corresponding to the specified carbon fiber production line is greater than or equal to the standard surface treatment production quality conformity index, judging that the surface treatment result corresponding to the specified carbon fiber production line is qualified, otherwise, judging that the surface treatment result corresponding to the specified carbon fiber production line is unqualified.
Compared with the prior art, the invention has the following beneficial effects: 1. according to the chemical fiber production line process on-line monitoring and analyzing system provided by the invention, the problems of contingency and one-sidedness existing in the prior art are effectively solved by monitoring and analyzing the oxidation process, the carbonization process and the surface treatment in the specified carbon fiber production line, the comprehensive and intelligent monitoring and analysis of the carbon fiber production line are realized, the production quality of raw materials in the oxidation process, the carbonization process and the surface treatment is effectively ensured, the production quality of carbon fibers is further ensured, the safety and the stability of the carbon fibers in the subsequent use process are also improved to a certain extent, and the production effect and the production efficiency of the carbon fiber production line are also effectively improved.
2. According to the invention, the temperature, the oxygen concentration, the oxidation time and the image of the oxidized raw material in the oxidation furnace are acquired in the oxidation information acquisition module, so that a foundation is laid for the subsequent oxidation process analysis, and meanwhile, reliable data is provided for the color analysis of the oxidized raw material, the accuracy and objectivity of the oxidation process analysis and the color analysis result of the raw material are effectively ensured, and meanwhile, the oxidation effect of the oxidation furnace is effectively increased.
3. According to the invention, the temperature, the nitrogen concentration, the hydrogen concentration and the oxygen concentration in the carbonization furnace and the weight and the roughness of the raw materials before and after carbonization are acquired in the carbonization information acquisition module, so that accurate and visual data are provided for the subsequent carbonization process analysis and the raw material carbonization quality analysis, the objectivity and the reliability of the carbonization process and the raw material carbonization quality analysis result are effectively ensured, and meanwhile, reliable quality guarantee is provided for the subsequent production.
4. According to the invention, the pH value of the electrolyte, the electrolyte concentration, the current and the apparent information of the carbon fiber are acquired in the surface treatment information acquisition module, so that a foundation is laid for subsequent surface treatment analysis and quality analysis of the carbon fiber, the production quality of the carbon fiber after surface treatment is effectively ensured, and the production effect of the carbon fiber is greatly improved.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a system module connection structure according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an online monitoring and analyzing system for a chemical fiber production line process includes an oxidation information collecting module, an oxidation information analyzing and confirming module, a carbonization information collecting module, a carbonization information analyzing and confirming module, a surface processing information collecting module, a surface processing analyzing and confirming module, and an early warning terminal.
The oxidation information analysis and confirmation module is respectively connected with the oxidation information acquisition module and the early warning terminal, the carbonization information analysis and confirmation module is respectively connected with the carbonization information acquisition module and the early warning terminal, and the surface treatment analysis and confirmation module is respectively connected with the surface treatment information acquisition module, the carbonization information acquisition module and the early warning terminal.
And the oxidation information acquisition module is used for dividing each oxidation acquisition time point according to a preset time interval in the oxidation process of the oxidation furnace in the specified carbon fiber production line, further acquiring the temperature and the oxygen concentration of the oxidation furnace at each oxidation acquisition time point in the specified carbon fiber production line, and acquiring the oxidation time in the oxidation furnace and the image of the oxidized raw material in the oxidation furnace.
The carbon fibers are made of acrylic fibers, viscose fibers, or the like.
In a specific embodiment, the temperature and oxygen concentration of an oxidation furnace in a specified carbon fiber production line at each oxidation acquisition time point are acquired, and the oxidation time in the oxidation furnace and the image of the oxidized raw material in the oxidation furnace are acquired, wherein the acquisition process comprises the following steps: and acquiring the temperature of each oxidation acquisition time point on the surface of the oxidation furnace in the specified carbon fiber production line through a temperature sensor to obtain the temperature of the oxidation furnace in the specified carbon fiber production line corresponding to each oxidation acquisition time point.
The oxygen concentration of each oxidation acquisition time point in the oxidation furnace in the specified carbon fiber production line is acquired through the oxygen sensor, the oxygen concentration of the oxidation furnace in the specified carbon fiber production line corresponding to each oxidation acquisition time point is obtained, and meanwhile, the oxidation time in the oxidation furnace in the specified carbon fiber production line is obtained from the carbon fiber production management background.
And acquiring an image of the oxidized raw material in the oxidation furnace in the specified carbon fiber production line through the camera to obtain the image of the oxidized raw material in the oxidation furnace in the specified carbon fiber production line.
According to the embodiment of the invention, the temperature, the oxygen concentration, the oxidation time and the image of the oxidized raw material in the oxidation furnace are acquired, so that a foundation is laid for the subsequent oxidation process analysis, meanwhile, reliable data are provided for the color analysis of the oxidized raw material, the accuracy and objectivity of the oxidation process analysis and the color analysis result of the raw material are effectively ensured, and the oxidation effect of the oxidation furnace is effectively increased.
And the oxidation information analysis and confirmation module is used for analyzing the oxidation process corresponding to the specified carbon fiber production line, analyzing the color of the oxidized raw material corresponding to the specified carbon fiber production line and further confirming the qualified condition of the oxidation quality corresponding to the specified carbon fiber production line.
In a specific embodiment, the oxidation process corresponding to a given carbon fiber production line is analyzed as follows: substituting the oxidation time in the oxidation furnace in the specified carbon fiber production line, the temperature corresponding to each oxidation acquisition time point and the oxygen concentration into a calculation formula
Figure 769933DEST_PATH_IMAGE091
In the method, a first oxidation quality coincidence index corresponding to a specified carbon fiber production line is obtained
Figure 3599DEST_PATH_IMAGE092
Wherein Y represents an oxidation time in an oxidation furnace in a specified carbon fiber production line,
Figure 538485DEST_PATH_IMAGE093
Figure 196475DEST_PATH_IMAGE094
respectively representing the temperature and the oxygen concentration of an oxidation furnace in a specified carbon fiber production line corresponding to the t-th oxidation acquisition time point,
Figure 184023DEST_PATH_IMAGE095
Figure 221380DEST_PATH_IMAGE096
respectively for a given specific carbon fibre productionThe reference temperature and the reference oxygen concentration of the oxidation furnace corresponding to the t oxidation acquisition time point in the line,
Figure 610773DEST_PATH_IMAGE097
in order to set the reference oxidation time,
Figure 708173DEST_PATH_IMAGE098
Figure 917438DEST_PATH_IMAGE099
Figure 492907DEST_PATH_IMAGE100
the weight factors are respectively corresponding to the set oxidation time, the temperature of the oxidation furnace and the oxygen concentration in the oxidation furnace, t represents the number corresponding to each oxidation acquisition time point,
Figure 736806DEST_PATH_IMAGE101
in yet another specific embodiment, the color of the oxidized raw material corresponding to a given carbon fiber production line is analyzed as follows: dividing the image of the oxidized raw material in the oxidation furnace in the specified carbon fiber production line into sub-regions according to a preset size, and obtaining the hue, saturation and lightness corresponding to the image of each sub-region of the oxidized raw material in the oxidation furnace in the specified carbon fiber production line, thereby calculating to obtain the color coincidence index corresponding to the image of each sub-region of the oxidized raw material in the oxidation furnace in the specified carbon fiber production line.
According to the formula
Figure 736599DEST_PATH_IMAGE102
Obtaining the raw material oxidation color coincidence index corresponding to the specified carbon fiber production line
Figure 698739DEST_PATH_IMAGE103
Wherein, in the step (A),
Figure 77899DEST_PATH_IMAGE104
Figure 176305DEST_PATH_IMAGE105
respectively showing the color conformity indexes corresponding to the (i + 1) th and the (i) th sub-area images of the oxidized raw material in the oxidation furnace in the specified carbon fiber production line,
Figure 615507DEST_PATH_IMAGE106
in order for the set allowable color to meet the exponential difference,
Figure 674730DEST_PATH_IMAGE107
i represents a number corresponding to each subarea image of the oxidized raw material in an oxidation furnace in a specified carbon fiber production line for the set correction factor corresponding to the oxidation color conforming index,
Figure 841269DEST_PATH_IMAGE108
in the above, the color coincidence index corresponding to the image of each sub-region of the raw material after oxidation in the oxidation furnace in the specified carbon fiber production line is obtained by calculation, and the specific calculation process is as follows: substituting the hue, saturation and brightness corresponding to each subregion image of the raw material after oxidation in an oxidation furnace in a specified carbon fiber production line into a calculation formula
Figure 807564DEST_PATH_IMAGE109
Obtaining a color conformity index corresponding to each subarea image of the oxidized raw material in an oxidation furnace in a specified carbon fiber production line
Figure 666935DEST_PATH_IMAGE110
Wherein
Figure 88821DEST_PATH_IMAGE111
Figure 324630DEST_PATH_IMAGE112
Figure 882781DEST_PATH_IMAGE113
Respectively represent the ith sub-area image of the oxidized raw material in the oxidation furnace in the specified carbon fiber production lineThe corresponding hue, saturation, brightness,
Figure 178633DEST_PATH_IMAGE114
Figure 87815DEST_PATH_IMAGE115
Figure 596156DEST_PATH_IMAGE116
respectively set reference hue, reference saturation and reference lightness,
Figure 537043DEST_PATH_IMAGE117
Figure 738217DEST_PATH_IMAGE118
Figure 134695DEST_PATH_IMAGE119
the weighting factors are respectively corresponding to the set hue, saturation and lightness.
In another specific embodiment, the oxidation quality qualification condition corresponding to the specified carbon fiber production line is confirmed by the following specific confirmation process: the first oxidation quality corresponding to the appointed carbon fiber production line is in accordance with the index
Figure 181148DEST_PATH_IMAGE120
And the oxidation color of the raw material meets the index
Figure 120416DEST_PATH_IMAGE121
Substituting into a calculation formula
Figure 492492DEST_PATH_IMAGE122
In the method, the oxidation quality coincidence index corresponding to the specified carbon fiber production line is obtained
Figure 131194DEST_PATH_IMAGE123
In which
Figure 246917DEST_PATH_IMAGE124
Figure 899747DEST_PATH_IMAGE125
The first oxidation quality coincidence index and the raw material oxidation color coincidence index are set as weight factors corresponding to the first oxidation quality coincidence index and the raw material oxidation color coincidence index respectively.
And comparing the oxidation quality conformity index corresponding to the specified carbon fiber production line with the set standard oxidation quality conformity index, if the oxidation quality conformity index corresponding to the specified carbon fiber production line is greater than or equal to the standard oxidation quality conformity index, judging that the oxidation quality corresponding to the specified carbon fiber production line is qualified, otherwise, judging that the oxidation quality corresponding to the specified carbon fiber production line is unqualified.
And the carbonization information acquisition module is used for dividing carbonization acquisition time points in the carbonization process in the carbonization furnace in the specified carbon fiber production line according to preset time intervals, acquiring the temperature, the nitrogen concentration, the hydrogen concentration and the oxygen concentration of the carbonization furnace in the specified carbon fiber production line at each carbonization acquisition time point, and acquiring the weight and the roughness of raw materials before and after carbonization in the carbonization furnace in the specified carbon fiber production line.
In a specific embodiment, the temperature, the nitrogen concentration, the hydrogen concentration and the oxygen concentration of the carbonization furnace in the specified carbon fiber production line at each carbonization collection time point are collected, and the weight and the roughness of the raw materials before and after carbonization in the carbonization furnace in the specified carbon fiber production line are collected, wherein the collection process comprises the following steps: the temperature of each carbonization acquisition time point on the surface of the carbonization furnace in the specified carbon fiber production line is acquired through the temperature sensor, so that the temperature of the carbonization furnace in each carbonization acquisition time point in the specified carbon fiber production line is obtained.
And acquiring the nitrogen concentration, the hydrogen concentration and the oxygen concentration corresponding to each carbonization acquisition time point in the carbonization furnace in the specified carbon fiber production line through a gas sensor to obtain the nitrogen concentration, the hydrogen concentration and the oxygen concentration corresponding to each carbonization acquisition time point in the carbonization furnace in the specified carbon fiber production line.
The weight of the raw materials before and after carbonization in the carbonization furnace in the specified carbon fiber production line is collected through a weight measuring instrument, so that the weight of the raw materials before and after carbonization in the carbonization furnace in the specified carbon fiber production line is obtained.
The roughness of each detection point of the raw materials before and after carbonization in the carbonization furnace in the specified carbon fiber production line is acquired by the surface roughness tester, so that the roughness of each detection point of the raw materials before and after carbonization in the carbonization furnace in the specified carbon fiber production line is obtained, the average roughness of the raw materials before and after carbonization in the carbonization furnace in the specified carbon fiber production line is obtained by means of average value calculation, and the average roughness is used as the roughness corresponding to the raw materials before and after carbonization in the carbonization furnace in the specified carbon fiber production line.
According to the embodiment of the invention, the temperature, the nitrogen concentration, the hydrogen concentration and the oxygen concentration in the carbonization furnace and the weight and the roughness of the raw materials before and after carbonization are acquired, so that accurate and visual data are provided for the subsequent carbonization process analysis and the raw material carbonization quality analysis, the objectivity and the reliability of the carbonization process and the raw material carbonization quality analysis result are effectively ensured, and meanwhile, the reliable quality guarantee is provided for the subsequent production.
And the carbonization information analysis and confirmation module is used for analyzing the carbonization process corresponding to the specified carbon fiber production line, analyzing the quality of the carbonized raw materials corresponding to the specified carbon fiber production line and further confirming the qualified condition of the carbonization quality corresponding to the specified carbon fiber production line.
In a specific embodiment, the carbonization process corresponding to a given carbon fiber production line is analyzed, and the specific analysis process is as follows: substituting the temperature, the nitrogen concentration, the hydrogen concentration and the oxygen concentration of the carbonization furnace in each carbonization acquisition time point in a specified carbon fiber production line into a calculation formula
Figure 177144DEST_PATH_IMAGE126
In the method, a first carbonization quality conformity index corresponding to the specified carbon fiber production line is obtained
Figure 282635DEST_PATH_IMAGE127
Wherein
Figure 936470DEST_PATH_IMAGE128
Figure 443806DEST_PATH_IMAGE129
Figure 157684DEST_PATH_IMAGE130
Figure 872175DEST_PATH_IMAGE131
Respectively indicates the carbonization furnace in the specified carbon fiber production line
Figure 814854DEST_PATH_IMAGE132
The temperature, the nitrogen concentration, the hydrogen concentration and the oxygen concentration corresponding to the carbonization acquisition time point,
Figure 160385DEST_PATH_IMAGE133
Figure 61476DEST_PATH_IMAGE134
Figure 735034DEST_PATH_IMAGE135
Figure 871617DEST_PATH_IMAGE136
respectively at a set carbonization furnace
Figure 602812DEST_PATH_IMAGE137
The reference temperature, the reference nitrogen concentration, the reference hydrogen concentration and the reference oxygen concentration corresponding to the carbonization acquisition time point,
Figure 265350DEST_PATH_IMAGE138
Figure 567150DEST_PATH_IMAGE139
Figure 632058DEST_PATH_IMAGE140
Figure 702913DEST_PATH_IMAGE141
respectively set weighting factors corresponding to the temperature of the carbonization furnace, the nitrogen concentration of the carbonization furnace, the hydrogen concentration of the carbonization furnace and the oxygen concentration of the carbonization furnace,
Figure 929495DEST_PATH_IMAGE142
the numbers corresponding to the respective carbonization collection time points are shown,
Figure 718591DEST_PATH_IMAGE143
and e is a natural constant.
In another specific embodiment, the quality of the carbonized raw material corresponding to a given carbon fiber production line is analyzed by the following specific analysis process: substituting the weight and the roughness of the raw materials before and after carbonization in a carbonization furnace in a specified carbon fiber production line into a calculation formula
Figure 928468DEST_PATH_IMAGE144
In the method, the carbonization quality conformity index of the raw material corresponding to the specified carbon fiber production line is obtained
Figure 368676DEST_PATH_IMAGE145
Wherein, in the step (A),
Figure 172684DEST_PATH_IMAGE146
Figure 308131DEST_PATH_IMAGE147
respectively represents the weight of the raw material before and after carbonization in a carbonization furnace in a specified carbon fiber production line,
Figure 465574DEST_PATH_IMAGE148
Figure 25868DEST_PATH_IMAGE149
respectively showing the roughness corresponding to the raw materials before and after carbonization in a carbonization furnace in a specified carbon fiber production line,
Figure 344985DEST_PATH_IMAGE150
Figure 357940DEST_PATH_IMAGE151
respectively set weight reduction ratio and roughness reduction ratio of the carbonized raw material,
Figure 50565DEST_PATH_IMAGE152
Figure 465366DEST_PATH_IMAGE153
the weight factors are respectively corresponding to the set weight and roughness of the raw material.
In a further specific embodiment, the carbonization quality qualification condition corresponding to the specified carbon fiber production line is confirmed, and the specific confirmation process is as follows: the first carbonization quality corresponding to the appointed carbon fiber production line is in accordance with the index
Figure 955384DEST_PATH_IMAGE154
According with the carbonization quality of raw materials
Figure 190057DEST_PATH_IMAGE155
Substituting into a calculation formula
Figure 689302DEST_PATH_IMAGE156
In the method, the carbonization quality conformity index corresponding to the specified carbon fiber production line is obtained
Figure 693030DEST_PATH_IMAGE157
Wherein, in the process,
Figure 885108DEST_PATH_IMAGE158
Figure 607077DEST_PATH_IMAGE159
the first carbonization quality coincidence index and the raw material carbonization quality coincidence index are set as weight factors corresponding to the first carbonization quality coincidence index and the raw material carbonization quality coincidence index respectively, and e is a natural constant.
And comparing the carbonization quality conformity index corresponding to the specified carbon fiber production line with the set standard carbonization quality conformity index, if the carbonization quality conformity index corresponding to the specified carbon fiber production line is greater than or equal to the standard carbonization quality conformity index, judging that the carbonization quality corresponding to the specified carbon fiber production line is qualified, otherwise, judging that the carbonization quality corresponding to the specified carbon fiber production line is unqualified.
The surface treatment information acquisition module is used for acquiring treatment information in surface treatment in a specified carbon fiber production line and apparent information of the carbon fiber after the surface treatment, wherein the treatment information comprises the pH value of electrolyte, the concentration of the electrolyte and the current, and the apparent information of the carbon fiber comprises roughness, the size of each groove and the distance between every two adjacent grooves.
In addition, the method used in the surface treatment process according to the embodiment of the present invention is an electrochemical oxidation method.
Also, carbon fibers formed from the raw material after the surface treatment is completed are also noted.
In a specific embodiment, the processing information in the surface treatment in the specified carbon fiber production line and the apparent information of the carbon fiber after the surface treatment are collected, and the specific collection process is as follows: and collecting the pH value of the electrolyte in the surface treatment in the specified carbon fiber production line through a pH value sensor to obtain the pH value of the electrolyte in the surface treatment in the specified carbon fiber production line.
And collecting the electrolyte concentration in the surface treatment of the specified carbon fiber production line through a liquid concentration tester to obtain the electrolyte concentration in the surface treatment of the specified carbon fiber production line.
And collecting the current between the anode and the cathode in the electrolyte during the surface treatment in the specified carbon fiber production line through an ammeter, and taking the current as the current corresponding to the surface treatment in the specified carbon fiber production line.
In the electrolyte, the positive electrode is a carbon fiber material, and the negative electrode is graphite, a copper plate, a nickel plate, or the like.
The roughness of the carbon fiber after surface treatment in the specified carbon fiber production line is collected through a roughness meter, and the roughness corresponding to the carbon fiber after surface treatment in the specified carbon fiber production line is obtained.
The carbon fiber images after surface treatment in the specified carbon fiber production line are collected through the camera to obtain the carbon fiber images after surface treatment in the specified carbon fiber production line, and then the size of each groove in the carbon fiber and the distance between the grooves are obtained.
According to the embodiment of the invention, the pH value of the electrolyte, the electrolyte concentration, the current and the apparent information of the carbon fiber are acquired, so that a foundation is laid for the subsequent surface treatment analysis and the quality analysis of the carbon fiber, the production quality of the carbon fiber after surface treatment is effectively ensured, and the production effect of the carbon fiber is greatly improved.
And the surface treatment analysis and confirmation module is used for analyzing the treatment information corresponding to the surface treatment in the specified carbon fiber production line, analyzing the quality of the carbon fiber corresponding to the specified carbon fiber production line and further confirming the qualified condition of the surface treatment result corresponding to the specified carbon fiber production line.
In a specific embodiment, the processing information in the surface processing corresponding to the specified carbon fiber production line is analyzed, and the specific analysis process is as follows: substituting the pH value, electrolyte concentration and current of the electrolyte in the surface treatment in the specified carbon fiber production line into a calculation formula
Figure 641504DEST_PATH_IMAGE160
In the method, the first surface treatment result corresponding to the specified carbon fiber production line is obtained and accords with the index
Figure 640684DEST_PATH_IMAGE161
Wherein, in the process,
Figure 987352DEST_PATH_IMAGE162
Figure 947349DEST_PATH_IMAGE163
Figure 772085DEST_PATH_IMAGE164
respectively specifying the pH value, electrolyte concentration and current of the electrolyte in the surface treatment in the carbon fiber production line,
Figure 766717DEST_PATH_IMAGE165
Figure 284286DEST_PATH_IMAGE166
Figure 994229DEST_PATH_IMAGE167
respectively setting the pH value of the reference electrolyte, the concentration of the reference electrolyte and the reference current,
Figure 357077DEST_PATH_IMAGE168
Figure 206216DEST_PATH_IMAGE169
Figure 629107DEST_PATH_IMAGE170
respectively setting the pH value difference, the concentration difference and the current difference of the allowable electrolyte,
Figure 563696DEST_PATH_IMAGE171
Figure 995814DEST_PATH_IMAGE172
Figure 965038DEST_PATH_IMAGE173
the weight factors are respectively corresponding to the set pH value of the electrolyte, the electrolyte concentration and the current.
In another specific embodiment, the quality of the carbon fiber corresponding to a given carbon fiber production line is analyzed by the following specific analysis process: substituting the roughness corresponding to the carbon fiber after surface treatment in the specified carbon fiber production line, the size of each groove and the distance between every two adjacent grooves into a calculation formula
Figure 824410DEST_PATH_IMAGE174
In the method, the quality conformity index of the carbon fiber corresponding to the specified carbon fiber production line is obtained
Figure 102420DEST_PATH_IMAGE175
Wherein, in the step (A),
Figure 823382DEST_PATH_IMAGE176
representing the roughness corresponding to the carbon fiber after surface treatment in a specified carbon fiber production line,
Figure 630801DEST_PATH_IMAGE177
showing the corresponding dimension of the jth groove of the carbon fiber after surface treatment in the specified carbon fiber production line,
Figure 411807DEST_PATH_IMAGE178
Figure 304676DEST_PATH_IMAGE179
respectively showing the distance between the j +1 th groove and the j-1 th groove of the carbon fiber after surface treatment in a specified carbon fiber production line and the distance between the j-1 th groove and the j-1 th groove,
Figure 94909DEST_PATH_IMAGE180
Figure 287993DEST_PATH_IMAGE181
respectively setting the standard groove size and the standard adjacent groove spacing,
Figure 260407DEST_PATH_IMAGE182
Figure 374994DEST_PATH_IMAGE183
Figure 703338DEST_PATH_IMAGE184
weight factors corresponding to the set roughness of the carbon fiber, the size of the groove and the distance between the grooves are respectively set, j represents the number corresponding to each groove,
Figure 750929DEST_PATH_IMAGE185
in another specific embodiment, the qualification of the surface treatment result corresponding to the specified carbon fiber production line is confirmed by the following specific confirmation process: will meanThe first surface treatment result corresponding to the carbon fiber production line meets the index
Figure 873737DEST_PATH_IMAGE186
Carbon fiber quality conformity index
Figure 741198DEST_PATH_IMAGE187
Substituting into a calculation formula
Figure 607654DEST_PATH_IMAGE188
In the method, the obtained surface treatment result corresponding to the specified carbon fiber production line conforms to the index
Figure 509751DEST_PATH_IMAGE189
Wherein
Figure 66110DEST_PATH_IMAGE190
Figure 686447DEST_PATH_IMAGE191
And e is a natural constant, wherein the weight factors correspond to the set first surface treatment result coincidence index and the carbon fiber quality coincidence index respectively.
And comparing the surface treatment production quality conformity index corresponding to the specified carbon fiber production line with a set standard surface treatment production quality conformity index, if the surface treatment production quality conformity index corresponding to the specified carbon fiber production line is greater than or equal to the standard surface treatment production quality conformity index, judging that the surface treatment result corresponding to the specified carbon fiber production line is qualified, otherwise, judging that the surface treatment result corresponding to the specified carbon fiber production line is unqualified.
According to the embodiment of the invention, the problems of contingency and one-sidedness existing in the spot inspection in the prior art are effectively solved by monitoring and analyzing the oxidation process, the carbonization process and the surface treatment in the specified carbon fiber production line, the comprehensive and intelligent monitoring and analysis of the carbon fiber production line are realized, the production quality of raw materials in the oxidation process, the carbonization process and the surface treatment is effectively ensured, the production quality of the carbon fibers is further ensured, the safety and the stability of the carbon fibers in the subsequent use process are also improved to a certain extent, and the production effect and the production efficiency of the carbon fiber production line are also effectively improved.
And the early warning terminal is used for respectively giving early warning prompts when the oxidation quality, the carbonization quality or the surface treatment result corresponding to the specified carbon fiber production line is unqualified.
The foregoing is merely illustrative and explanatory of the present invention and various modifications, additions or substitutions may be made to the specific embodiments described by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (10)

1. The utility model provides a chemical fiber silk production water line technology on-line monitoring analytic system which characterized in that includes:
the oxidation information acquisition module is used for dividing each oxidation acquisition time point in the oxidation process in the oxidation furnace in the specified carbon fiber production line according to a preset time interval, further acquiring the temperature and the oxygen concentration of the oxidation furnace at each oxidation acquisition time point in the specified carbon fiber production line, and acquiring the oxidation time in the oxidation furnace and the image of the oxidized raw material in the oxidation furnace;
the oxidation information analysis and confirmation module is used for analyzing the oxidation process corresponding to the specified carbon fiber production line, analyzing the color of the oxidized raw material corresponding to the specified carbon fiber production line and further confirming the qualified oxidation quality condition corresponding to the specified carbon fiber production line;
the carbonization information acquisition module is used for dividing the carbonization process in the carbonization furnace in the specified carbon fiber production line into carbonization acquisition time points at intervals according to preset time length, further acquiring the temperature, the nitrogen concentration, the hydrogen concentration and the oxygen concentration of the carbonization furnace in the specified carbon fiber production line at each carbonization acquisition time point, and acquiring the weight and the roughness of raw materials before and after carbonization in the carbonization furnace in the specified carbon fiber production line;
the carbonization information analysis and confirmation module is used for analyzing the carbonization process corresponding to the specified carbon fiber production line, analyzing the quality of carbonized raw materials corresponding to the specified carbon fiber production line and further confirming the qualified condition of the carbonization quality corresponding to the specified carbon fiber production line;
the surface treatment information acquisition module is used for acquiring treatment information in surface treatment in a specified carbon fiber production line and apparent information of the carbon fiber after the surface treatment, wherein the treatment information comprises the pH value of electrolyte, the concentration of the electrolyte and the current, and the apparent information of the carbon fiber comprises roughness, the size of each groove and the distance between every two adjacent grooves;
the surface treatment analysis and confirmation module is used for analyzing the treatment information corresponding to the surface treatment in the specified carbon fiber production line, analyzing the quality of the carbon fiber corresponding to the specified carbon fiber production line and further confirming the qualified condition of the surface treatment result corresponding to the specified carbon fiber production line;
and the early warning terminal is used for respectively giving early warning prompts when the oxidation quality, the carbonization quality or the surface treatment result corresponding to the specified carbon fiber production line is unqualified.
2. The on-line monitoring and analyzing system of the chemical fiber yarn production line process as claimed in claim 1, wherein: the oxidation process corresponding to the specified carbon fiber production line is analyzed, and the specific analysis process is as follows:
substituting the oxidation time in an oxidation furnace in a specified carbon fiber production line, the temperature corresponding to each oxidation acquisition time point and the oxygen concentration into a calculation formula
Figure 726482DEST_PATH_IMAGE001
In the method, a first oxidation quality coincidence index corresponding to a specified carbon fiber production line is obtained
Figure 624031DEST_PATH_IMAGE002
Wherein Y represents an oxidation time in an oxidation furnace in a specified carbon fiber production line,
Figure 213276DEST_PATH_IMAGE003
Figure 196275DEST_PATH_IMAGE004
respectively representing the temperature and the oxygen concentration of an oxidation furnace in a specified carbon fiber production line at the t-th oxidation acquisition time point,
Figure 529167DEST_PATH_IMAGE005
Figure 546802DEST_PATH_IMAGE006
respectively setting a reference temperature and a reference oxygen concentration corresponding to the t-th oxidation acquisition time point of an oxidation furnace in a specified carbon fiber production line,
Figure 306948DEST_PATH_IMAGE007
in order to set the reference oxidation time,
Figure 532172DEST_PATH_IMAGE008
Figure 668755DEST_PATH_IMAGE009
Figure 540896DEST_PATH_IMAGE010
the weight factors are respectively corresponding to the set oxidation time, the temperature of the oxidation furnace and the oxygen concentration in the oxidation furnace, t represents the number corresponding to each oxidation acquisition time point,
Figure 471943DEST_PATH_IMAGE011
3. the on-line monitoring and analyzing system for the chemical fiber yarn production line process as claimed in claim 2, wherein: the method comprises the following steps of analyzing the color of the oxidized raw material corresponding to the specified carbon fiber production line, wherein the specific analysis process comprises the following steps:
dividing the image of the oxidized raw material in the oxidation furnace in the specified carbon fiber production line into sub-regions according to a preset size, and obtaining the hue, saturation and lightness corresponding to the image of each sub-region of the oxidized raw material in the oxidation furnace in the specified carbon fiber production line, so as to calculate and obtain the color coincidence index corresponding to the image of each sub-region of the oxidized raw material in the oxidation furnace in the specified carbon fiber production line;
according to the formula
Figure 898376DEST_PATH_IMAGE012
Obtaining the raw material oxidation color coincidence index corresponding to the specified carbon fiber production line
Figure 838650DEST_PATH_IMAGE013
Wherein, in the step (A),
Figure 299719DEST_PATH_IMAGE014
Figure 401667DEST_PATH_IMAGE015
respectively representing color conformity indexes corresponding to the i +1 th and i-th sub-area images of the oxidized raw material in an oxidation furnace in a specified carbon fiber production line,
Figure 843625DEST_PATH_IMAGE016
in order for the set allowable color to meet the exponential difference,
Figure 56432DEST_PATH_IMAGE017
i represents a number corresponding to each subarea image of the raw material oxidized in the oxidation furnace in the specified carbon fiber production line for the set correction factor corresponding to the oxidation color conforming index,
Figure 637586DEST_PATH_IMAGE018
4. the on-line monitoring and analyzing system for the chemical fiber yarn production line process as claimed in claim 3, wherein: and confirming the qualified oxidation quality condition corresponding to the specified carbon fiber production line, wherein the specific confirmation process comprises the following steps:
the first oxidation quality corresponding to the appointed carbon fiber production line is in accordance with the index
Figure 176015DEST_PATH_IMAGE019
And the oxidation color of the raw material meets the index
Figure 983565DEST_PATH_IMAGE020
Substituting into a calculation formula
Figure 265641DEST_PATH_IMAGE021
In the method, the oxidation quality coincidence index corresponding to the specified carbon fiber production line is obtained
Figure 435723DEST_PATH_IMAGE022
Wherein
Figure 142123DEST_PATH_IMAGE023
Figure 296024DEST_PATH_IMAGE024
The weight factors are respectively corresponding to the set first oxidation quality coincidence index and the raw material oxidation color coincidence index;
and comparing the oxidation quality conformity index corresponding to the specified carbon fiber production line with the set standard oxidation quality conformity index, if the oxidation quality conformity index corresponding to the specified carbon fiber production line is greater than or equal to the standard oxidation quality conformity index, judging that the oxidation quality corresponding to the specified carbon fiber production line is qualified, otherwise, judging that the oxidation quality corresponding to the specified carbon fiber production line is unqualified.
5. The on-line monitoring and analyzing system of the chemical fiber yarn production line process as claimed in claim 1, wherein: the carbonization process corresponding to the specified carbon fiber production line is analyzed, and the specific analysis process is as follows:
substituting the temperature, the nitrogen concentration, the hydrogen concentration and the oxygen concentration of the carbonization furnace in each carbonization acquisition time point in a specified carbon fiber production line into a calculation formula
Figure 116212DEST_PATH_IMAGE025
In the method, a first carbonization quality conformity index corresponding to the specified carbon fiber production line is obtained
Figure 671959DEST_PATH_IMAGE026
In which
Figure 552190DEST_PATH_IMAGE027
Figure 927808DEST_PATH_IMAGE028
Figure 958212DEST_PATH_IMAGE029
Figure 365535DEST_PATH_IMAGE030
Respectively indicates the carbonization furnace in the specified carbon fiber production line
Figure 416667DEST_PATH_IMAGE031
The temperature, the nitrogen concentration, the hydrogen concentration and the oxygen concentration corresponding to the carbonization acquisition time point,
Figure 279581DEST_PATH_IMAGE032
Figure 707151DEST_PATH_IMAGE033
Figure 112856DEST_PATH_IMAGE034
Figure 334890DEST_PATH_IMAGE035
respectively in a set carbonization furnace
Figure 419521DEST_PATH_IMAGE036
The reference temperature, the reference nitrogen concentration, the reference hydrogen concentration and the reference oxygen concentration corresponding to the carbonization acquisition time point,
Figure 647852DEST_PATH_IMAGE037
Figure 298276DEST_PATH_IMAGE038
Figure 425632DEST_PATH_IMAGE039
Figure 263138DEST_PATH_IMAGE040
respectively set weighting factors corresponding to the temperature of the carbonization furnace, the nitrogen concentration of the carbonization furnace, the hydrogen concentration of the carbonization furnace and the oxygen concentration of the carbonization furnace,
Figure 766932DEST_PATH_IMAGE041
a number corresponding to each carbonization acquisition time point is shown,
Figure 6283DEST_PATH_IMAGE042
and e is a natural constant.
6. The on-line monitoring and analyzing system of the chemical fiber yarn production line process according to claim 5, characterized in that: the quality of the carbonized raw material corresponding to the specified carbon fiber production line is analyzed, and the specific analysis process is as follows:
substituting the weight and the roughness of the raw materials before and after carbonization in a carbonization furnace in a specified carbon fiber production line into a calculation formula
Figure 570120DEST_PATH_IMAGE043
In the method, the carbonization quality conformity index of the raw material corresponding to the specified carbon fiber production line is obtained
Figure 629343DEST_PATH_IMAGE044
Wherein, in the step (A),
Figure 74843DEST_PATH_IMAGE045
Figure 168701DEST_PATH_IMAGE046
respectively represents the weight of the raw material before and after carbonization in a carbonization furnace in a specified carbon fiber production line,
Figure 169018DEST_PATH_IMAGE047
Figure 981116DEST_PATH_IMAGE048
respectively showing the roughness corresponding to the raw materials before and after carbonization in a carbonization furnace in a specified carbon fiber production line,
Figure 826713DEST_PATH_IMAGE049
Figure 775077DEST_PATH_IMAGE050
respectively set weight reduction ratio and roughness reduction ratio of the carbonized raw material,
Figure 680716DEST_PATH_IMAGE051
Figure 977181DEST_PATH_IMAGE052
the weight factors are respectively corresponding to the set weight and roughness of the raw material.
7. The on-line monitoring and analyzing system of the chemical fiber yarn production line process according to claim 6, characterized in that: confirming the qualified carbonization quality condition corresponding to the specified carbon fiber production line specifically comprises the following steps:
the first carbonization quality corresponding to the appointed carbon fiber production line is in accordance with the index
Figure 767413DEST_PATH_IMAGE053
According with the carbonization quality of raw materials
Figure 570284DEST_PATH_IMAGE054
Substituting into a calculation formula
Figure 646825DEST_PATH_IMAGE055
In the method, the carbonization quality conformity index corresponding to the specified carbon fiber production line is obtained
Figure 167936DEST_PATH_IMAGE056
Wherein, in the step (A),
Figure 886493DEST_PATH_IMAGE057
Figure 809450DEST_PATH_IMAGE058
respectively setting a first carbonization quality coincidence index and a weight factor corresponding to the raw material carbonization quality coincidence index, wherein e is a natural constant;
and comparing the carbonization quality conformity index corresponding to the specified carbon fiber production line with a set standard carbonization quality conformity index, if the carbonization quality conformity index corresponding to the specified carbon fiber production line is greater than or equal to the standard carbonization quality conformity index, judging that the carbonization quality corresponding to the specified carbon fiber production line is qualified, otherwise, judging that the carbonization quality corresponding to the specified carbon fiber production line is unqualified.
8. The on-line monitoring and analyzing system for the chemical fiber yarn production line process as claimed in claim 1, wherein: the processing information in the surface processing corresponding to the specified carbon fiber production line is analyzed, and the specific analysis process is as follows:
substituting the pH value, electrolyte concentration and current of the electrolyte in the surface treatment of the specified carbon fiber production line into a calculation formula
Figure 53962DEST_PATH_IMAGE059
In the method, the first surface treatment result corresponding to the specified carbon fiber production line is obtained and accords with the index
Figure 327948DEST_PATH_IMAGE060
Wherein, in the process,
Figure 319038DEST_PATH_IMAGE061
Figure 237447DEST_PATH_IMAGE062
Figure 655790DEST_PATH_IMAGE063
respectively specifying the pH value, electrolyte concentration and current of the electrolyte in the surface treatment in the carbon fiber production line,
Figure 417072DEST_PATH_IMAGE064
Figure 211853DEST_PATH_IMAGE065
Figure 864330DEST_PATH_IMAGE066
respectively setting the pH value of the reference electrolyte, the concentration of the reference electrolyte and the reference current,
Figure 719154DEST_PATH_IMAGE067
Figure 702154DEST_PATH_IMAGE068
Figure 35046DEST_PATH_IMAGE069
respectively setting the pH value difference, the concentration difference and the current difference of the allowable electrolyte,
Figure 787101DEST_PATH_IMAGE070
Figure 547247DEST_PATH_IMAGE071
Figure 892909DEST_PATH_IMAGE072
the weight factors are respectively corresponding to the set pH value of the electrolyte, the electrolyte concentration and the current.
9. The on-line monitoring and analyzing system of the chemical fiber yarn production line process according to claim 8, characterized in that: the quality of the carbon fiber corresponding to the specified carbon fiber production line is analyzed, and the specific analysis process is as follows:
substituting the roughness corresponding to the carbon fiber after surface treatment in the specified carbon fiber production line, the size of each groove and the distance between every two adjacent grooves into a calculation formula
Figure 26562DEST_PATH_IMAGE073
In the method, the quality conformity index of the carbon fiber corresponding to the specified carbon fiber production line is obtained
Figure 898703DEST_PATH_IMAGE074
Wherein, in the step (A),
Figure 564171DEST_PATH_IMAGE075
represents the roughness corresponding to the carbon fiber after surface treatment in a specified carbon fiber production line,
Figure 521763DEST_PATH_IMAGE076
showing the corresponding dimension of the jth groove of the carbon fiber after surface treatment in the specified carbon fiber production line,
Figure 196458DEST_PATH_IMAGE077
Figure 923105DEST_PATH_IMAGE078
respectively representAppointing the space between the j +1 th groove and the j-th groove and the space between the j-th groove and the j-1 th groove of the carbon fiber after surface treatment in the carbon fiber production line,
Figure 25053DEST_PATH_IMAGE079
Figure 469941DEST_PATH_IMAGE080
respectively the size of a set standard groove and the space between standard adjacent grooves,
Figure 679818DEST_PATH_IMAGE081
Figure 526551DEST_PATH_IMAGE082
Figure 940346DEST_PATH_IMAGE083
weight factors corresponding to the set roughness of the carbon fiber, the size of the groove and the distance between the grooves are respectively set, j represents the number corresponding to each groove,
Figure 872530DEST_PATH_IMAGE084
10. the on-line monitoring and analyzing system for the chemical fiber yarn production line process as claimed in claim 9, wherein: the method comprises the following steps of confirming that a surface treatment result corresponding to a specified carbon fiber production line is qualified, and specifically confirming the following process:
the first surface treatment result corresponding to the appointed carbon fiber production line conforms to the index
Figure 889028DEST_PATH_IMAGE085
The quality of the carbon fiber meets the index
Figure 324688DEST_PATH_IMAGE086
Substituting into a calculation formula
Figure 299598DEST_PATH_IMAGE087
In the method, the obtained surface treatment result corresponding to the specified carbon fiber production line conforms to the index
Figure 184990DEST_PATH_IMAGE088
In which
Figure 411703DEST_PATH_IMAGE089
Figure 967449DEST_PATH_IMAGE090
Respectively corresponding weighting factors of the set first surface treatment result coincidence index and the carbon fiber quality coincidence index, wherein e is a natural constant;
and comparing the surface treatment production quality conformity index corresponding to the specified carbon fiber production line with a set standard surface treatment production quality conformity index, if the surface treatment production quality conformity index corresponding to the specified carbon fiber production line is greater than or equal to the standard surface treatment production quality conformity index, judging that the surface treatment result corresponding to the specified carbon fiber production line is qualified, otherwise, judging that the surface treatment result corresponding to the specified carbon fiber production line is unqualified.
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