Supervision method and system for drying process of transfer paper

Abstract

The invention discloses a supervision method and system for a transfer paper drying process, and the method comprises the steps: firstly setting a paper water content value and an allowable fluctuation range in each drying process, and then respectively obtaining the paper water content in each process; according to the method, whether the water content of paper in each process is normal or not is judged based on a set paper water content value and an allowable fluctuation range, then the water content in the transfer paper drying process is supervised, and whether a fault exists or not and the specific position of the fault can be judged according to the water content of the paper in each process; meanwhile, the self-adaptive adjustment of the system is realized based on the found fault. Therefore, the transfer paper drying process is effectively supervised, the fault can be timely and accurately found, the fault positioning capability is improved, and data support is provided for self-adaptive adjustment of the system.

Description

Technical Field

[0001] The present invention relates to a method and system for paper processing, and particularly to a method and system for supervising the drying process of transfer paper. Background Art

[0002] Transfer paper obtained by transferring materials such as an aluminum layer and a zinc sulfide layer to the paper surface has been widely used. For example, it is used as packaging materials for cigarette boxes, toothpaste boxes, etc. Currently, the manufacturing process of transfer paper mainly includes processes such as compounding, drying, peeling, cross-cutting or slitting and rewinding.

[0003] In the preparation process, the drying process is a key process in the manufacturing process of transfer paper. The water content of the paper, the drying degree of the glue in the paper, the water content of the paper after drying, etc. are key factors affecting the quality of transfer paper. There are many variables in the production process, such as the water content of the base paper, the water content change during the gluing process, the water content change during the back coating process, the humidity change of the weather, etc. Therefore, there are many control factors in the drying process of transfer paper, resulting in multiple types of faults and being difficult to be detected in time, thus leading to a high defective rate. Summary of the Invention

[0004] The purpose of the present invention is to disclose a method and system for supervising the drying process of transfer paper to improve the fault location ability, the timeliness of fault discovery, and the adaptive adjustment ability of the system.

[0005] To achieve the above purpose, the present invention discloses a method for supervising the drying process of transfer paper, and the method includes the following steps:

[0006] S100. Set the water content value of the paper in each drying process and its allowable fluctuation range, where the drying process includes the base paper drying process, the gluing drying process, and the back coating drying process;

[0007] S200. Take the roll as a unit, obtain the water content of the paper in the base paper drying process, and judge whether the water content of the paper in the base paper drying process is normal based on the set value in step S100. If it is not normal, output an alarm for abnormal water content in the base paper drying process. If it is normal, calculate the exhaust air rate of the oven in the base paper drying process, and enter step S300;

[0008] S300. Obtain the water content of the paper in the gluing drying process, and judge whether the water content of the paper in the gluing drying process is normal based on the set value in step S100. If it is not normal, output an alarm for abnormal water content in the gluing drying process. If it is normal, calculate the exhaust air rate of the laminating oven in the gluing drying process, and enter step S400;

[0009] S400. Obtain the water content of the paper in the backcoating drying process, and determine whether the water content of the paper in the backcoating drying process is normal based on the set value in step S100. If it is not normal, output an alarm for abnormal water content in the backcoating drying process. If it is normal, calculate the exhaust air rate of the oven in the backcoating drying process.

[0010] In some embodiments, step S200 specifically includes:

[0011] S201. Take the roll as a unit, obtain the water content of the base paper before the drying process and compare it with the corresponding set value. If it is not normal, output an alarm for abnormal water content before the base paper drying process. If it is normal, set the exhaust air parameters of the oven in the base paper drying process according to the obtained water content of the paper.

[0012] S202. Obtain the water content of the paper during the base paper drying process, segment the water content sampling points in the base paper drying process based on the start and end times of the base paper drying process, compare the water content of adjacent sampling points, and then determine whether the water content of the paper in the base paper drying process is normal. If it is not normal, output an alarm for abnormal oven in the base paper drying process. If it is normal, calculate the exhaust air rate of the oven in the base paper drying process.

[0013] In some embodiments, when step S202 outputs an alarm for abnormal oven in the base paper drying process, adaptively adjust the exhaust air parameters of the oven in the base paper drying process according to the obtained water content of the paper in the base paper drying process and the corresponding set value, so as to ensure that the water content of the paper before sizing is within the normal range.

[0014] In some embodiments, step S300 specifically includes:

[0015] S301. Obtain the water content of the paper before the sizing drying process and compare it with the corresponding set value. If it is not normal, output an alarm for abnormal water content before the sizing drying process. If it is normal, set the exhaust air parameters of the laminating oven in the sizing drying process according to the obtained water content of the paper.

[0016] S302. Obtain the water content of the paper during the sizing drying process, segment the water content sampling points in the sizing drying process based on the start and end times of the sizing drying process, compare the water content of adjacent sampling points, and then determine whether the water content of the paper in the sizing drying process is normal. If it is not normal, output an alarm for abnormal laminating oven. If it is normal, calculate the exhaust air rate of the oven in the sizing drying process.

[0017] In some embodiments, when step S301 outputs an alarm for abnormal water content before the sizing drying process, adaptively adjust the parameters of the sizing process according to the obtained water content of the paper before the sizing drying process and the corresponding set value.

[0018] In some embodiments, when the step S302 outputs an abnormal alarm for the laminating oven, the exhaust parameters of the laminating oven are adaptively adjusted according to the moisture content of the paper in the sizing and drying process and the corresponding set value obtained.

[0019] In some embodiments, the step S400 specifically includes:

[0020] S401. Obtain the moisture content of the paper before the back coating drying process and compare it with the corresponding set value. If it is abnormal, output an abnormal alarm for the moisture content before the back coating drying process. If it is normal, set the exhaust parameters of the back coating oven in the back coating drying process according to the obtained moisture content of the paper;

[0021] S402. Obtain the moisture content of the paper during the back coating drying process, segment the moisture content sampling points in the back coating drying process based on the start and end times of the back coating drying process, compare the moisture content of the paper at adjacent two moisture content sampling points, and then judge whether the moisture content of the paper in the back coating drying process is normal. If it is abnormal, output an abnormal alarm for the back coating oven. If it is normal, calculate the exhaust rate of the oven in the back coating drying process.

[0022] In some embodiments, when the step S401 outputs an abnormal alarm for the moisture content before the back coating drying process, the parameters of the back coating process are adaptively adjusted according to the moisture content of the paper obtained before the back coating drying process and the corresponding set value.

[0023] In some embodiments, when the step S402 outputs an abnormal alarm for the back coating oven, the exhaust parameters of the back coating oven are adaptively adjusted according to the moisture content of the paper in the back coating drying process and the corresponding set value obtained.

[0024] The present invention also provides a supervision system for the transfer paper drying process, including a memory, a central processing unit, and a computer program stored on the central memory and executable on the central processing unit. When the central processing unit executes the computer program, the above-mentioned method is implemented.

[0025] Compared with the prior art, for the supervision method and supervision system of the transfer paper drying process provided by the present invention, the method first sets the moisture content value of the paper in each drying process and the allowable fluctuation range, then respectively obtains the moisture content of the paper in each process, and judges whether the moisture content of the paper in each process is normal based on the set moisture content value of the paper and the allowable fluctuation range, so as to realize the supervision of the moisture content in the transfer paper drying process. The method can judge whether there is a fault and the specific location of the fault according to the moisture content of the paper in each process; at the same time, the system is adaptively adjusted based on the discovered fault. Therefore, the present invention realizes the effective supervision of the transfer paper drying process, can timely and accurately detect faults, improves the fault location ability, and provides data support for the adaptive adjustment of the system. Description of the Drawings

[0026] The drawings forming a part of this application are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0027] Figure 1 is a flowchart of the supervision method for the drying process of the transfer paper disclosed in the embodiment of the present invention,

[0028] Figure 2 is a partial structural schematic diagram of the moisture detection and control device for each drying process of the transfer paper disclosed in the embodiment of the present invention.

[0029] In the figure: 1. Guide roller, 2. Paper, 3. Moisture detector, 4. Digital display, 5. Frequency conversion controller for the exhaust air volume of the oven, 6. Exhaust fan group, 7. Temperature control console, 8. Central processing unit. Detailed Description of the Embodiments

[0030] The following will describe in detail the embodiments of the present invention with reference to the drawings. However, the present invention can be implemented in many different ways defined and covered by the claims.

[0031] It should be understood that in the present invention, the sizing process and the back coating process are both prior arts, wherein:

[0032] The sizing mechanism adopts a four-roll linkage sizing mechanism; the four-roll linkage sizing mechanism includes: a sizing roller, a glue-reducing roller, a coating roller, and a coating pressure roller. Among them, the sizing roller is partially immersed in the glue in the glue tank, the glue-reducing roller is laterally pressed on the sizing roller, the coating roller is respectively above and below the coating pressure roller and the sizing roller, the coating roller and the glue-reducing roller rotate in the same direction, the coating pressure roller and the sizing roller rotate in the same direction, and the rotation direction between the coating pressure roller and the coating roller is opposite; among them, the transfer film is arranged between the coating pressure roller and the coating roller; it should be understood that the coating roller, the sizing roller, and the glue-reducing roller are driven by the same motor, and the coating pressure roller is a passive roller; among them, the influencing factors of the water content change of the paper in the sizing process include: the hardness of each roller, the size of the mesh, the pressure between the rollers, the viscosity of the glue, the material of the glue, the solid content of the glue, the water content of the glue, the content of the volatile solvent, the state of the motor, the transmission jitter, etc.

[0033] The back coating mechanism adopts a telescopic scraper and a two-roll linkage gluing mechanism; the telescopic scraper and two-roll linkage gluing mechanism includes: an upper back coating mesh roll, a scraper, and an upper back coating pressure roll; from top to bottom are the upper back coating pressure roll, the scraper, and the upper back coating mesh roll. The upper back coating mesh roll is partially immersed in the back coating glue in the back coating glue tank. The scraper is pressed on the upper back coating mesh roll at a 45-degree angle. The back coating pressure roll presses the back of the paper onto the upper back coating mesh roll. The rotation directions of the upper back coating pressure roll and the upper back coating mesh roll are opposite; it should be understood that the upper back coating mesh roll is driven by a motor and is a passive roll, and the scraper is adjusted by air pressure. Among them, the influencing factors of the water content change of the paper in the back coating process include: the mesh size of the upper back coating mesh roll, the pressure between the rolls, the back coating viscosity, the solid content of the back coating, the water content of the back coating, and the content of volatile solvents, etc.

[0034] As Figure 2 shown, the paper moisture content detection and control devices in the drying process, the gluing and drying process, and the back coating and gluing process are all the same, and specifically include: a guide roll 1, a paper 2, a moisture detector 3, a digital display screen 4, an oven exhaust air volume frequency conversion controller 5, an exhaust fan group 6, a temperature control console 7, a central processor 8, and an alarm (not shown in the figure). Among them, the moisture detector 3 is placed on a bracket and faces the back of the paper 2 to be detected. The digital display screen is placed on another bracket. The oven exhaust air volume frequency conversion controller 4 and the exhaust fan group 5 are placed on other different brackets. The temperature control console 7 is placed on an external machine table. The moisture detector 3 is connected to the digital display screen 4 to display the detected paper moisture content data. The central processor 8 is respectively connected to the alarm, the oven exhaust air volume frequency conversion controller 5, the temperature control console 7, the gluing process, and the back coating process.

[0035] Based on the above specific descriptions of the gluing process, the back coating process, and the paper moisture content detection and control device, the technical solution of the present invention can be better understood. Next, with reference to the accompanying drawings, the present invention will be further described in detail.

[0036] As Figure 1 shown, the present application provides a supervision method for the drying process of transfer paper, and the method includes the following steps:

[0037] S100. Set the paper moisture content value and its allowable fluctuation range in each drying process of the transfer paper, where the drying process includes the base paper drying process, the gluing and drying process, and the back coating drying process;

[0038] This step specifically includes: setting the moisture content value of the base paper before entering the oven in the base paper drying process and its allowable fluctuation range; setting the moisture content value of the paper after baking in the oven in the base paper drying process and its allowable fluctuation range; setting the moisture content value of the paper after the sizing process and its allowable fluctuation range; setting the moisture content value of the paper after baking in the sizing oven and its allowable fluctuation range; setting the moisture content value of the paper after the backcoating process and its allowable fluctuation range; setting the moisture content value of the paper after baking in the backcoating oven and its allowable fluctuation range value.

[0039] S200. Taking the roll as a unit, obtain the moisture content of the paper in the base paper drying process, and judge whether the moisture content of the paper in the base paper drying process is normal based on the set value in step S100. If it is not normal, output an alarm for abnormal moisture content in the base paper drying process. If it is normal, calculate the exhaust air rate of the oven in the base paper drying process, and enter step S300;

[0040] This step is specifically as follows:

[0041] S201. Taking the roll as a unit, obtain the moisture content of the paper before the base paper drying process and compare it with the corresponding set value. If it is not normal, output an alarm for abnormal moisture content before the base paper drying process. If it is normal, set the exhaust air parameters of the oven in the base paper drying process according to the obtained moisture content of the paper;

[0042] S202. Obtain the moisture content of the paper during the base paper drying process, segment the moisture content sampling points in the base paper drying process based on the start and end times of the base paper drying process, compare the moisture content of adjacent sampling points, and then judge whether the moisture content of the paper in the base paper drying process is normal. If it is not normal, output an alarm for abnormal oven in the base paper drying process. If it is normal, calculate the exhaust air rate of the oven in the base paper drying process.

[0043] By detecting and comparing the moisture content of the paper before and after the base paper drying process, on the one hand, it can ensure that the moisture content of the paper before sizing is within the normal range, and at the same time, it can accurately alarm and locate the oven failure in the base paper drying process.

[0044] S300. Obtain the moisture content of the paper in the sizing and drying process, and judge whether the moisture content of the paper in the sizing and drying process is normal based on the set value in step S100. If it is not normal, output an alarm for abnormal moisture content in the sizing and drying process. If it is normal, calculate the exhaust air rate of the laminating oven in the sizing and drying process, and enter step S400;

[0045] This step is specifically as follows:

[0046] S301. Obtain the water content of the paper before the sizing and drying process and compare it with the corresponding set value. If it is abnormal, output an alarm for abnormal water content before the sizing and drying process. If it is normal, set the exhaust parameters of the laminating oven in the sizing and drying process according to the obtained water content of the paper.

[0047] S302. Obtain the water content of the paper during the sizing and drying process, segment the water content sampling points in the sizing and drying process based on the start and end times of the sizing and drying process, compare the water content of adjacent sampling points, and then determine whether the water content of the paper in the sizing and drying process is normal. If it is abnormal, output an alarm for abnormal laminating oven. If it is normal, calculate the exhaust rate of the oven in the sizing and drying process.

[0048] By detecting and comparing the water content of the paper before and after the sizing and drying process, on the one hand, it can ensure that the water content of the paper before back coating is within the normal range, and at the same time, it can accurately alarm and locate the faults of the laminating oven in the sizing and drying process.

[0049] S400. Obtain the water content of the paper in the back coating and drying process, and judge whether the water content of the paper in the back coating and drying process is normal based on the set value in step S100. If it is abnormal, output an alarm for abnormal water content in the back coating and drying process. If it is normal, calculate the exhaust rate of the oven in the back coating and drying process.

[0050] This step is specifically as follows:

[0051] S401. Obtain the water content of the paper before the back coating and drying process and compare it with the corresponding set value. If it is abnormal, output an alarm for abnormal water content before the back coating and drying process. If it is normal, set the exhaust parameters of the back coating oven in the back coating and drying process according to the obtained water content of the paper.

[0052] S402. Obtain the water content of the paper during the back coating and drying process, segment the water content sampling points in the back coating and drying process based on the start and end times of the back coating and drying process, compare the water content of adjacent two water content sampling points, and then determine whether the water content of the paper in the back coating and drying process is normal. If it is abnormal, output an alarm for abnormal back coating oven. If it is normal, calculate the exhaust rate of the oven in the back coating and drying process.

[0053] By detecting and comparing the water content of the paper before and after the back coating and drying process, on the one hand, it can ensure that the water content of the paper before and after back coating is within the normal range, and at the same time, it can accurately alarm and locate the faults of the laminating oven in the back coating and drying process.

[0054] In the above embodiments, when the oven of the base paper drying process outputs an abnormal alarm in step S202, the exhaust air parameters of the oven in the base paper drying process are adaptively adjusted according to the water content of the paper in the base paper drying process and the corresponding set value, so as to ensure that the water content of the paper before sizing is within the normal range. Specifically, when the oven of the base paper drying process outputs an abnormal alarm in step S202, it indicates that the difference between the water content of the paper after being baked in the oven of the base paper drying process and the corresponding set value is not within the allowable fluctuation range. That is, it is necessary to adjust the exhaust air parameters of the oven according to the water content of the paper after the base paper drying process and the corresponding set value. When the water content of the paper after the base paper drying process exceeds the corresponding set value and its allowable fluctuation range, the central processing unit 8 controls the variable frequency controller 5 of the oven exhaust air volume to increase the exhaust air volume so that the paper 2 in the oven loses more water. When the water content of the paper after the base paper drying process is lower than the corresponding set value and its allowable fluctuation range, the central processing unit 8 controls the variable frequency controller 5 of the oven exhaust air volume to decrease the exhaust air volume so that the paper 2 in the oven loses less water, thereby ensuring that the water content of the paper before sizing is within the normal range.

[0055] When the step S301 outputs an abnormal alarm about the water content before the sizing drying process, the parameters of the sizing process are adaptively adjusted according to the water content of the paper before the sizing drying process and the corresponding set value. Specifically, when the step S301 outputs an abnormal alarm about the water content before the sizing drying process, it indicates that the difference between the water content of the paper after the sizing process and before entering the sizing drying process and the corresponding set value is not within the allowable fluctuation range. It is necessary to adjust the parameters of the sizing process according to the water content of the paper before the sizing drying process and the corresponding set value. Here, the parameters of the sizing process refer to the parameters that affect the water content of the paper in the sizing process, which have been described in detail above and will not be elaborated here, so as to ensure that the water content of the paper before entering the sizing oven matches the corresponding set value and its allowable fluctuation range.

[0056] When the abnormal alarm of the laminating oven is output in step S302, the exhaust parameters of the laminating oven are adaptively adjusted according to the moisture content of the paper in the sizing and drying process and the corresponding set value; specifically, when the abnormal alarm of the laminating oven is output in step S302, it indicates that the difference between the moisture content of the paper after baking in the sizing oven and the corresponding set value is not within the allowable fluctuation range. At this time, it is necessary to adaptively adjust the exhaust parameters of the sizing oven according to the moisture content of the paper after baking in the sizing oven, the corresponding set value, and its allowable fluctuation range. That is, when the moisture content of the paper after baking in the sizing oven exceeds the corresponding set value and its allowable fluctuation range, the central processing unit 8 controls the variable frequency controller 5 of the exhaust air volume of the corresponding oven to increase the exhaust air volume so that the paper 2 in the sizing oven can remove more moisture. When the moisture content of the paper after baking in the sizing oven is lower than the corresponding set value and its allowable fluctuation range, the central processing unit 8 controls the variable frequency controller 5 of the exhaust air volume of the corresponding oven to decrease the exhaust air volume so that the paper 2 in the sizing oven can remove less moisture, thereby ensuring that the moisture content of the paper before back coating is within the normal range.

[0057] When the abnormal alarm of the moisture content before the back coating drying process is output in step S401, the parameters of the back coating process are adaptively adjusted according to the moisture content of the paper before the back coating drying process and the corresponding set value; specifically, when the abnormal alarm of the moisture content before the back coating drying process is output in step S401, it indicates that the difference between the moisture content of the paper after the back coating process and before entering the back coating drying process and the corresponding set value is not within the allowable fluctuation range. At this time, it is necessary to adjust the parameters of the back coating process according to the detected moisture content of the paper, the corresponding set value, and its allowable fluctuation range. Here, the parameters of the back coating process refer to the parameters that affect the moisture content of the paper in the back coating process, which have been described in detail above and will not be elaborated here, so as to ensure that the moisture content of the paper before entering the back coating oven matches the corresponding set value and its allowable fluctuation range.

[0058] When the back coating oven abnormal alarm is output in step S402, the exhaust parameters of the back coating oven are adaptively adjusted according to the water content of the paper in the back coating drying process and the corresponding set value; specifically, when the back coating oven abnormal alarm is output in step S402, it indicates that the difference between the water content of the paper after being baked in the back coating oven and the corresponding set value is not within the allowable fluctuation range. At this time, it is necessary to adaptively adjust the exhaust parameters of the back coating oven according to the water content of the paper after being baked in the back coating oven, the corresponding set value, and its allowable fluctuation range. That is, when the water content of the paper after being baked in the back coating oven exceeds the corresponding set value and its allowable fluctuation range, the central processor 8 controls the variable frequency controller 5 of the corresponding oven exhaust air volume to increase the exhaust air volume so that the paper 2 in the back coating oven can remove more moisture. When the water content of the paper after being baked in the back coating oven is lower than the corresponding set value and its allowable fluctuation range, the central processor 8 controls the variable frequency controller 5 of the corresponding oven exhaust air volume to decrease the exhaust air volume so that the paper 2 in the back coating oven can remove less moisture, thereby ensuring that the water content of the paper after being baked in the back coating oven is within the normal range.

[0059] In the embodiment of the present application, first, the water content value of the paper in each drying process and the allowable fluctuation range are set. Then, the water content of the paper in each process is obtained respectively. Based on the set water content value of the paper and the allowable fluctuation range, it is judged whether the water content of the paper in each process is normal, so as to realize the supervision of the water content in the transfer paper drying process. This method can judge whether there is a fault and the specific location of the fault according to the water content of the paper in each process; at the same time, based on the discovered fault, the system's adaptive adjustment is realized. Therefore, the present invention realizes the effective supervision of the transfer paper drying process, can timely and accurately detect faults, improves the fault location ability, provides data support for the system's adaptive adjustment, and thus greatly improves the product yield.

[0060] It should be noted that when the water content in each process is normal, the exhaust rate of the corresponding oven is calculated to guide or reference the parameter setting of the subsequent corresponding oven; when the sampling data of the moisture detector 3 is recognized as abnormal, the corresponding moisture detector 3 error alarm is output. At this time, the system stops running and manual intervention on the corresponding moisture detector 3 is required to eliminate the fault.

[0061] The present invention also provides a supervision system for the transfer paper drying process, including a memory, a central processor, and a computer program stored on the central memory and executable on the central processor. When the central processor executes the computer program, the above-mentioned method is realized.

[0062] Based on the description of the beneficial technical effects of the above-mentioned supervision method for the transfer paper drying process, the corresponding supervision system also has the same beneficial technical effects, which will not be elaborated here.

[0063] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A supervision method for the drying process of transfer paper, characterized in that, The method includes the following steps: S100. Set the paper moisture content value and its allowable fluctuation range in each drying process, where the drying processes include the base paper drying process, the sizing drying process, and the back coating drying process; S200. Take the roll as a unit, obtain the paper moisture content in the base paper drying process, and judge whether the paper moisture content in the base paper drying process is normal based on the set value in step S100. If it is not normal, output an alarm for abnormal moisture content in the base paper drying process. If it is normal, calculate the exhaust air rate of the oven in the base paper drying process, and enter step S300; S300. Obtain the paper moisture content in the sizing drying process, and judge whether the paper moisture content in the sizing drying process is normal based on the set value in step S100. If it is not normal, output an alarm for abnormal moisture content in the sizing drying process. If it is normal, calculate the exhaust air rate of the laminating oven in the sizing drying process, and enter step S400; S400. Obtain the paper moisture content in the back coating drying process, and judge whether the paper moisture content in the back coating drying process is normal based on the set value in step S100. If it is not normal, output an alarm for abnormal moisture content in the back coating drying process. If it is normal, calculate the exhaust air rate of the oven in the back coating drying process.

2. The supervision method of the transfer paper drying process according to claim 1, characterized in that, The specific steps of step S200 include: S201. Take the roll as a unit, obtain the paper moisture content before the base paper drying process and compare it with the corresponding set value. If it is not normal, output an alarm for abnormal moisture content before the base paper drying process. If it is normal, set the exhaust air parameters of the oven in the base paper drying process according to the obtained paper moisture content; S202. Obtain the paper moisture content during the base paper drying process, segment the moisture content sampling points in the base paper drying process based on the start and end times of the base paper drying process, compare the paper moisture content of adjacent sampling points, and then judge whether the paper moisture content in the base paper drying process is normal. If it is not normal, output an alarm for abnormal oven in the base paper drying process. If it is normal, calculate the exhaust air rate of the oven in the base paper drying process.

3. The supervision method of the transfer paper drying process according to claim 2, wherein, When step S202 outputs an alarm for abnormal oven in the base paper drying process, adaptively adjust the exhaust air parameters of the oven in the base paper drying process according to the obtained paper moisture content in the base paper drying process and the corresponding set value, so as to ensure that the paper moisture content before sizing is within the normal range.

4. The supervision method for the transfer paper drying process as described in claim 3, characterized in that, The specific steps of step S300 include: S301. Obtain the paper moisture content before the sizing drying process and compare it with the corresponding set value. If it is not normal, output an alarm for abnormal moisture content before the sizing drying process. If it is normal, set the exhaust air parameters of the laminating oven in the sizing drying process according to the obtained paper moisture content; S302. Obtain the paper moisture content during the sizing drying process, segment the moisture content sampling points in the sizing drying process based on the start and end times of the sizing drying process, compare the paper moisture content of adjacent sampling points, and then judge whether the paper moisture content in the sizing drying process is normal. If it is not normal, output an alarm for abnormal laminating oven. If it is normal, calculate the exhaust air rate of the oven in the sizing drying process.

5. The supervision method of the transfer paper drying process according to claim 4, characterized in that, When the water content abnormal alarm before the sizing and drying process is output in the step S301, the parameters of the sizing process are adaptively adjusted according to the obtained water content of the paper before the sizing and drying process and the corresponding set value.

6. The supervision method of the transfer paper drying process according to claim 5, characterized in that, When the abnormal alarm of the laminating oven is output in the step S302, the exhaust parameters of the laminating oven are adaptively adjusted according to the obtained water content of the paper in the sizing and drying process and the corresponding set value.

7. The supervision method for the drying process of the transfer paper as described in claim 6, characterized in that, The step S400 specifically includes: S401. Obtain the water content of the paper before the back coating drying process and compare it with the corresponding set value. If it is abnormal, output an abnormal alarm for the water content before the back coating drying process. If it is normal, set the exhaust parameters of the back coating oven in the back coating drying process according to the obtained water content of the paper; S402. Obtain the water content of the paper during the back coating drying process, segment the water content sampling points in the back coating drying process based on the start and end times of the back coating drying process, compare the water content of the paper at two adjacent water content sampling points, and then judge whether the water content of the paper in the back coating drying process is normal. If it is abnormal, output an abnormal alarm for the back coating oven. If it is normal, calculate the exhaust rate of the oven in the back coating drying process.

8. The supervision method of the transfer paper drying process according to claim 7, characterized in that, When the abnormal alarm of the water content before the back coating drying process is output in the step S401, the parameters of the back coating process are adaptively adjusted according to the obtained water content of the paper before the back coating drying process and the corresponding set value.

9. The supervision method of the transfer paper drying process according to claim 8, characterized in that, When the abnormal alarm of the back coating oven is output in the step S402, the exhaust parameters of the back coating oven are adaptively adjusted according to the obtained water content of the paper in the back coating drying process and the corresponding set value.

10. A supervision system for the drying process of transfer paper, comprising a memory, a central processing unit, and a computer program stored on the central memory and executable on the central processing unit, characterized in that, When the central processing unit executes the computer program, the method according to any one of claims 1 to 9 is implemented.

Images