Paperboard production steam pressure self-adaptive temperature control system and method based on order association

Abstract

The invention provides a paperboard production steam pressure self-adaptive temperature control system and method based on order association, belongs to the technical field of paperboard production, and solves the problem that a steam pressure set value cannot be controlled according to an associated order when a conventional steam pressure temperature control system is used for paperboard production. Therefore, the technical problems of low steam pressure accuracy and poor energy-saving effect are solved. The paperboard production steam pressure self-adaptive temperature control system based on order association comprises an order information management device, a data analysis and processing unit and a data acquisition unit, the outside of the order information management device is in wireless communication connection with the data analysis and processing unit, and the outside of the data analysis and processing unit is electrically connected with the data acquisition unit. According to the invention, the order information management device obtains the order, and under the action of the data analysis processing unit, the data analysis processing unit calculates the approximately required steam pressure according to the characteristics of the order, and quickly adjusts the main adjusting valve to realize quick response.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of paperboard production, and relates to a paperboard production steam pressure self-adaptive temperature control system, in particular to a paperboard production steam pressure self-adaptive temperature control system and method based on order association. BACKGROUND

[0002] A corrugated paperboard production line is usually composed of a single facer, a double facer, a drying channel and the like, wherein the single facer and the double facer heat and bond the raw paper through preheating rollers, corrugating rollers and the like, and steam is the main heat source, and the stability of the steam pressure directly determines the heating temperature, which further affects the bonding strength, flatness and production efficiency of the paperboard.

[0003] According to the search, a corrugated paperboard temperature control method and system are disclosed in Chinese patent literature

Application Number: CN202411536167.X; Publication Number: CN119414793A

[0004] Although the corrugated paperboard temperature control method and system disclosed in the patent can accurately control the temperature and pressure during paperboard production, the steam pressure in the paperboard production is controlled by a fixed steam pressure value, and the fixed steam pressure cannot adapt to changing order demands, resulting in waste of steam energy or substandard paperboard quality. Moreover, when different production orders are switched, the steam pressure needs to be adjusted again, which has a slow response, increases the waste rate at the initial stage of switching, and the temperature control effect depends on the manual level, making it difficult to achieve standardization and optimal control. SUMMARY

[0005] The purpose of the present application is to solve the above-mentioned problems existing in the prior art, and to provide a paperboard production steam pressure self-adaptive temperature control system and method based on order association. The technical problem to be solved by the present application is how to control the steam pressure set value according to the associated order during paperboard production to ensure accurate and energy-saving steam pressure control.

[0006] The purpose of the present application can be achieved by the following technical solutions: A paperboard production steam pressure self-adaptive temperature control system and method based on order association, comprising an order information management device, a data analysis processing unit and a data acquisition unit, the data analysis processing unit is wirelessly connected to the outside of the order information management device, and the data acquisition unit is electrically connected to the outside of the data analysis processing unit; The steam adjusting valve is fixedly installed on the steam main pipeline and is electrically connected to the data analysis processing unit; The steam using equipment is fixedly connected and installed at one end of the steam main pipeline away from the steam adjusting valve, and the buffer flow stabilizing tank is fixedly installed at the front end of the steam branch of the steam using equipment, and the buffer flow stabilizing tank is located between the steam adjusting valve and the steam using equipment.

[0007] The working principle of the present application is that: the order information management device obtains the order, the data analysis processing unit calculates the approximate required steam pressure according to the order characteristics, and quickly adjusts the main adjusting valve to realize fast response, at the same time, through the setting of the data acquisition unit, multiple sensors detect the production state, compare the data with the target value, and adjust the deviation value through the fine adjusting valve to ensure the continuous stability of the temperature, and under the action of the buffer flow stabilizing tank, the steam adjusting valve can realize the full mixing and stable pressure of the steam, and the steam is output from the top after the fine adjustment of the steam main pipeline, effectively eliminating the pressure pulsation and flow fluctuation, ensuring the stability and accuracy of the steam entering the steam using equipment, and the execution effect of the control instruction of the data analysis processing unit is not affected by the upstream interference, greatly improving the temperature control stability.

[0008] The steam using equipment includes a preheater, a single-sided machine and a double-sided machine; A plurality of preheating rollers are rotatably installed in the preheater; A plurality of corrugated rollers are rotatably connected in the single-sided machine; A plurality of hot plates are fixedly installed in the double-sided machine, and the hot plates are arranged in a heating channel.

[0009] By conveniently connecting the data acquisition unit with the preheater, the single-sided machine and the double-sided machine, the system only needs to transform the preheating rollers, the corrugated rollers and the hot plates, which facilitates the connection of the temperature control system and the paperboard production equipment, has low use cost and high practicability.

[0010] The data acquisition unit includes a plurality of temperature sensors, pressure sensors and speed sensors; The temperature sensors are fixedly connected to the surfaces of the preheating rollers; The temperature sensors are fixedly installed on the surfaces of the corrugated rollers; The temperature sensors are fixedly installed on the surfaces of the corrugated rollers; The pressure sensors are fixedly installed at the front ends of the steam inlets of the steam using equipment; The speed sensors are fixedly installed at the main drive motors of the steam using equipment.

[0011] By adopting the above structure and setting multiple temperature sensors, the temperature sensors can detect the preheating effect of the base paper on the surface of the preheating roller. Moreover, with the temperature sensor embedded in the corrugated roller surface, the temperature sensor can monitor the actual working temperature of the cardboard during corrugation in real time. Furthermore, with the action of the hot plate and the temperature sensor, the heating and shaping temperature of the formed cardboard can be detected, providing the most direct and accurate temperature feedback signal to the data acquisition unit. This facilitates precise temperature fine-tuning by the subsequent fine-tuning valve. In particular, the speed sensor connected to the main drive motor can monitor the cardboard production speed in real time, allowing the system to dynamically fine-tune the pressure according to speed changes, avoiding heat gaps caused by insufficient heating time when the equipment speeds up.

[0012] The data analysis and processing unit is electrically connected to a moisture detector, which is fixedly installed at the outlet of the drying tunnel to detect the moisture content of the finished cardboard.

[0013] With the above structure, the moisture detector can detect the moisture content of the finished paperboard, since moisture is one of the ultimate indicators for measuring heating effect and energy consumption. The steam pressure setpoint can be optimized by detecting the moisture content of the finished paperboard.

[0014] The steam regulating valve includes a large-diameter main regulating valve and a small-diameter fine-tuning valve, which are installed in parallel on the main steam pipeline. The main regulating valve and the fine-tuning valve receive different control signals through a data analysis and processing unit and work together.

[0015] With the above structure, the steam main pipeline is controlled by a steam regulating valve, which allows the data analysis and processing unit to quickly and accurately adjust the valve opening to control the steam flow and pressure. Moreover, with the steam regulating valve using a main regulating valve and a fine-tuning valve, the mechanical combination of the "main regulating valve + fine-tuning valve" decouples macroscopic coarse adjustment from microscopic fine adjustment, ensuring both a wide range of rapid response during order switching and achieving precise fine-tuning at the millipascal level during the production process.

[0016] The outer wall of the corrugated roller is fixedly connected to a roller cylinder, and multiple temperature sensors are installed equidistantly inside the roller cylinder. The corrugated roller is fixedly connected to a vent pipe, and the vent pipe has multiple vent holes that are opened through it. The vent holes are located inside the roller. A rotating plate is fixedly connected to the outer wall of the vent pipe, and spiral guide plates are fixedly connected to both sides of the rotating plate. Side rings are fixedly installed at both ends of the spiral guide plates, and the side rings are rotatably connected to the inner wall of the roller. Multiple spiral guide plates are spirally arranged on the outer periphery of the vent pipe.

[0017] By adopting the above structure, a rotating plate is connected to the outer wall of the vent pipe. Under the integrated rotation of the vent pipe and the roller, the spiral guide plate rotates in opposite directions to the roller through the meshing connection of the outer gear ring, gear disk and inner gear ring. This makes the steam distribution inside the roller more uniform and without dead corners. Moreover, by opening vent holes at the top and bottom inside the vent pipe, the inside of the roller is made into a dual channel, ensuring efficient steam entry and avoiding the problem of uneven temperature. This achieves uniform and efficient heating of the roller surface and fundamentally solves the problem of roller surface temperature difference.

[0018] An external gear ring is fixedly connected to the outer end of the side ring, and a gear disk is meshed with the outer wall of the external gear ring. An internal gear ring is meshed with the outer wall of the gear disk, and the internal gear ring is fixedly installed on the inner wall of the roller. The center of the outer gear ring coincides with the center of the inner gear ring, and the center of the outer gear ring coincides with the center of the vent pipe.

[0019] With the above structure, a gear disk is meshed and connected to the outer wall of the outer gear ring, and an inner gear ring is meshed and connected to the outer wall of the gear disk. Under the fixed action of the inner gear ring and the inner wall of the roller, the roller rotates and drives the gear disk to rotate on the outer wall of the outer gear ring. This causes the outer gear ring to drive the spiral guide plate to rotate in the opposite direction inside the roller, ensuring the uniformity of steam.

[0020] The outer wall of the external gear ring is fixedly connected to a guide ring, and the guide ring is slidably connected to the inner wall of the roller, with the center of the guide ring coinciding with the center of the roller.

[0021] By adopting the above structure and through the setting of the guide ring, the rotational stability of the side ring and the spiral guide plate is ensured by the sliding connection of the guide ring on the inner wall of both sides of the roller, and the precise guidance of the spiral guide plate is achieved.

[0022] A method for an order-linked adaptive temperature control system for steam pressure in cardboard production includes the following steps: S1. Order Information Acquisition: Real-time acquisition of order parameter information for orders currently awaiting production or in production via the order information management device; S2. Initial pressure setting: The data analysis and processing unit sets the optimal steam pressure for the current order based on the acquired order information, and drives the main regulating valve to regulate the pressure of the main steam pipeline. The main steam pipeline provides a stable steam pressure supply to the steam-using equipment through the buffer flow stabilizer tank. S3. Real-time production temperature monitoring: The production temperature is collected and monitored in real time by temperature sensors installed on the corrugated rolls, and the real-time temperature information is collected and sent to the data analysis and processing unit. S4. Fine Pressure Adjustment: By comparing the collected actual temperature with the target temperature of the current order parameters, the data analysis and processing unit calculates the temperature deviation and outputs the steam pressure compensation value. The steam pressure is then finely adjusted by driving the fine-tuning valve, so that the precise steam pressure is supplied to the steam-using equipment through the buffer flow stabilizing tank. S5. Adaptive Subsequent Orders: Before the current order ends, adaptive calculations are performed for subsequent orders, and historical order parameters, corresponding stable production pressure values, and processing quality are scored.

[0023] By adopting the above structure, through the calculation of steam pressure for production orders and orders to be produced, as well as the analysis and processing of historical orders, the system can instantly provide a near-optimal pressure setting value when switching orders. This significantly reduces debugging time and start-up scrap, improves production efficiency and product quality consistency, and avoids steam waste caused by excessively high pressure settings between different orders. It achieves on-demand supply and significantly reduces production energy costs.

[0024] The order parameter information includes the paper's weight, material, flute type combination, planned production speed, and production quantity. The paper includes face paper, liner paper, and core paper.

[0025] With the above structure, the acquisition of raw paper information and flute type information facilitates the data analysis and processing unit to analyze production orders and calculate the required pressure values. Specifically, the order information management device receives and parses order data through API and OPC UA. With the network connection between the order information management device and the data analysis and processing unit, the data analysis and processing unit can perform calculations and output pressure settings. The specific model of the data analysis and processing unit is SIMATIC S7-200.

[0026] Compared with the prior art, the order-linked adaptive steam pressure temperature control system and method for cardboard production of the present invention has the following advantages: 1. In this invention, orders are acquired through an order information management device. Under the action of the data analysis and processing unit, the data analysis and processing unit calculates the approximate required steam pressure based on the order characteristics and quickly adjusts the main control valve to achieve rapid response. At the same time, under the action of the data acquisition unit, multiple sensors detect the production status, compare the data with the target value, and adjust the deviation value through the fine-tuning valve to ensure continuous temperature stability. The steam pressure control is linked to the production order, avoiding steam waste caused by excessive pressure setting, realizing on-demand supply, significantly reducing production energy consumption costs, and providing a near-optimal pressure setting value instantly when switching orders, greatly reducing debugging time and start-up scrap, and improving production efficiency and product quality consistency.

[0027] 2. In this invention, the setting of the main regulating valve and the fine-tuning valve ensures both a wide range of rapid response during order switching and precise fine-tuning at the millipascal level during production. This achieves a combination of control and mechanics, facilitating precise steam pressure execution in conjunction with the data analysis and processing unit. Furthermore, under the action of the buffer flow stabilizer, the steam regulating valve can achieve full mixing and pressure stabilization of the steam after fine-tuning the steam main pipeline, resulting in output from the top. This effectively eliminates pressure pulsations and flow fluctuations, ensuring the stability and accuracy of steam entering the steam-using equipment. This ensures that the execution effect of the control commands of the data analysis and processing unit is not affected by upstream interference, significantly improving temperature control stability.

[0028] 3. In this invention, the spiral guide plate inside the corrugated roller, under the meshing action of the inner gear ring, gear disk and outer gear ring, causes the spiral guide plate to rotate in the opposite direction to the roller inside the roller. Combined with the spiral structure of the spiral guide plate, the steam is distributed more evenly inside the roller body without dead corners. Moreover, by opening vent holes at the top and bottom inside the vent pipe, the inside of the roller is made into a dual channel, ensuring that the steam enters efficiently and avoiding the problem of uneven temperature. This achieves uniform and efficient heating of the roller surface, fundamentally solving the problem of roller surface temperature difference, and allowing heat to be transferred to the paperboard more efficiently and evenly, directly improving the bonding quality and flatness of the paperboard. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the structure of a steam pressure adaptive temperature control system for cardboard production based on order association according to the present invention; Figure 2 This is a schematic diagram of the connection structure between the corrugated roller and the temperature sensor in this invention; Figure 3 This is a schematic cross-sectional view of the corrugated roller in this invention; Figure 4 In this invention Figure 3 A magnified structural diagram at point A; Figure 5 This is a schematic diagram of the connection structure between the internal gear ring and the roller in this invention; Figure 6 This is a schematic diagram of the structure of the side ring and the external gear ring in this invention; Figure 7 This is a schematic diagram of the method for an adaptive temperature control system for steam pressure in cardboard production based on order association in this invention.

[0030] In the diagram, 1. Order information management device; 2. Data analysis and processing unit; 3. Data acquisition unit; 301. Temperature sensor; 302. Pressure sensor; 303. Speed ​​sensor; 304. Moisture detector; 4. Steam regulating valve; 401. Main regulating valve; 402. Fine-tuning valve; 5. Steam main pipeline; 6. Buffer flow stabilizer; 7. Steam-using equipment; 701. Preheater; 702. Single-sided machine; 703. Double-sided machine; 8. Corrugated roller; 801. Roller; 802. Vent pipe; 803. Vent hole; 804. Rotating plate; 805. Spiral guide plate; 806. Side ring; 807. External gear ring; 808. Gear disk; 809. Internal gear ring; 8010. Guide ring. Detailed Implementation

[0031] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0032] like Figures 1-7 As shown, a steam pressure adaptive temperature control system for cardboard production based on order association includes an order information management device 1, a data analysis and processing unit 2, a data acquisition unit 3, a temperature sensor 301, a pressure sensor 302, a speed sensor 303, a moisture detector 304, a steam regulating valve 4, a main regulating valve 401, a fine-tuning valve 402, a main steam pipeline 5, a buffer flow stabilizer tank 6, steam-using equipment 7, a preheater 701, a single-facer 702, a double-facer 703, a corrugated roll 8, a roller 801, a vent pipe 802, and a vent hole. 803, 804, 805, 806, 807, 808, 809, 8010, 802, 803, 804, 805, 806, 807, 808, 809, 8010. The order information management device 1 has an external wireless communication connection to a data analysis and processing unit 2, and the data analysis and processing unit 2 has an external electrical connection to a data acquisition unit 3. A steam regulating valve 4 is fixedly installed on the main steam pipe 5, and the steam regulating valve 4 is electrically connected to the data analysis and processing unit 2 for driving. Specifically, the data analysis and processing unit 2 is a SIMATIC model. The S7-200, order information management device 1 is an MES / ERP system, which provides core parameters of production orders and transmits them to the data analysis and processing unit 2. Based on the order parameters, the unit calculates and sets the required steam pressure for the order. After obtaining the initial pressure, it quickly adjusts the main regulating valve 401 to achieve rapid response. At the same time, through the settings of the data acquisition unit 3, multiple sensors detect the production status, compare the data with the target value, and adjust the deviation value through the fine-tuning valve 402 to ensure continuous temperature stability. Meanwhile, under the action of the buffer flow stabilizer 6, the steam regulating valve 4 fine-tunes the steam main pipeline 5 to achieve full mixing of steam, stabilize the pressure, and output it from the top, effectively eliminating pressure pulsation and flow fluctuation, and ensuring the stability and accuracy of steam entering the steam-using equipment. Furthermore, a steam-using device 7 is fixedly connected to the end of the main steam pipeline 5 away from the steam regulating valve 4, and a buffer flow stabilizer 6 is fixedly installed at the front end of the steam branch of the steam-using device 7. The buffer flow stabilizer 6 is located between the steam regulating valve 4 and the steam-using device 7. Specifically, the steam-using device 7 includes a preheater 701, a single-facer 702, and a double-facer 703. Specifically, multiple preheating rollers are rotatably installed inside the preheater 701, multiple corrugated rollers 8 are rotatably connected inside the single-facer 702, and a hot plate is fixedly installed inside the double-facer 703. The multiple hot plates are arranged vertically to form a heating channel, which facilitates the connection and installation of the temperature control system with different steam-using devices 7. Through the convenient connection of the data acquisition unit 3 with the preheater 701, the single-facer 702, and the double-facer 703, the system only needs to modify the preheating rollers, corrugated rollers 8, and hot plates, which facilitates the connection of the temperature control system with the cardboard production equipment, has low operating costs, and is highly practical.

[0033] The data acquisition unit 3 includes multiple temperature sensors 301, pressure sensors 302, and speed sensors 303. Temperature sensors 301 are fixedly connected to the surface of the preheating roll, and other temperature sensors 302 are fixedly installed on the surface of the corrugated roll 8. In the double-facer 703, multiple temperature sensors 301 are respectively mounted on the surface of the heating plate, and multiple pressure sensors 302 are respectively fixedly installed at the front end of the steam inlet of the steam-using equipment 7. The arrangement of multiple temperature sensors 301 allows them to detect the preheating effect of the base paper on the surface of the preheating roll. Furthermore, the temperature sensors 301 are embedded and connected to the surface of the corrugated roll 8. Under the action of 1, the temperature sensor 301 monitors the actual working temperature of the cardboard corrugation in real time. With the action of the hot plate and the temperature sensor 301, the heating and shaping temperature of the formed cardboard is detected, providing the most direct and real temperature feedback signal to the data acquisition unit 3. This facilitates the subsequent precise temperature fine-tuning by the fine-tuning valve 402. The speed sensor 303 is fixedly installed at the main drive motor of the steam-using equipment 7. The connection of the speed sensor 303 at the main drive motor can monitor the cardboard production speed in real time, which facilitates the system to dynamically fine-tune the pressure according to the speed change, avoiding the heat gap caused by insufficient heating time when the equipment speeds up.

[0034] Furthermore, the data analysis and processing unit 2 is electrically connected to a moisture detector 304, which is fixedly installed at the outlet of the drying tunnel to detect the moisture content of the finished paperboard. Since moisture is one of the ultimate indicators for measuring heating effect and energy consumption, the moisture detector 304 can detect the moisture content of the finished paperboard and optimize the steam pressure setpoint by detecting the moisture content of the finished paperboard.

[0035] The steam regulating valve 4 includes a large-diameter main regulating valve 401 and a small-diameter fine-tuning valve 402. The main regulating valve 401 and the fine-tuning valve 402 are installed in parallel on the main steam pipeline 5. The main regulating valve 401 and the fine-tuning valve 402 receive different control signals through the data analysis and processing unit 2 and work together to control the main steam pipeline 5. The steam regulating valve 4 controls the main steam pipeline 5, which allows the data analysis and processing unit 2 to quickly and accurately adjust the valve opening through analysis, thereby controlling the steam flow and pressure. Moreover, under the action of the main regulating valve 401 and the fine-tuning valve 402, the mechanical combination of "main regulating valve 401 + fine-tuning valve 402" decouples the macroscopic coarse adjustment and the microscopic fine adjustment, which not only ensures a wide range of rapid response when switching orders, but also realizes precise fine-tuning at the millipascal level during the production process.

[0036] To ensure the uniformity of the surface temperature of the corrugated roll 8, a roller 801 is fixedly connected to the outer wall of the corrugated roll 8, and multiple temperature sensors 301 are equidistantly fitted inside the roller 801. A vent pipe 802 is fixedly connected inside the corrugated roll 8, and multiple vent holes 803 are opened through the vent pipe 802. The vent holes 803 are located inside the roller 801. A rotating plate 804 is fixedly connected to the outer wall of the vent pipe 802, and spiral guide plates 805 are fixedly connected to both sides of the rotating plate 804. Side rings 806 are fixedly installed at both ends of the spiral guide plates 805. The side rings 806 are rotatably connected to the inner wall of the roller 801. The multiple spiral guide plates 805 are located inside the vent pipe 801. The outer circumferential spiral setting of the 2-section, through the rotating connection of the rotating plate 804 to the outer wall of the vent pipe 802, and the integrated rotation of the vent pipe 802 and the roller 801, causes the spiral guide plate 805 to rotate in opposite directions to the roller 801 via the meshing connection of the outer gear ring 807, gear disk 808, and inner gear ring 809. This makes the steam distribution inside the roller 801 more uniform and without dead zones. Moreover, by opening vent holes 803 at the top and bottom inside the vent pipe 802, a dual-channel system is achieved inside the roller 801, ensuring efficient steam entry and avoiding uneven temperature. This achieves uniform and efficient heating of the roller surface, fundamentally solving the problem of roller surface temperature difference. The side ring 806... An external gear ring 807 is fixedly connected to the outer end, and a gear disk 808 is meshed with the outer wall of the external gear ring 807. An internal gear ring 809 is meshed with the outer wall of the gear disk 808, and the internal gear ring 809 is fixedly installed on the inner wall of the roller 801. The center of the external gear ring 807 coincides with the center of the internal gear ring 809, and the center of the external gear ring 807 coincides with the center of the vent pipe 802. The gear disk 808 is meshed with the outer wall of the external gear ring 807, and the internal gear ring 809 is meshed with the outer wall of the gear disk 808. Under the fixing action of the internal gear ring 809 and the inner wall of the roller 801, the roller 801 drives the gear disk 808 to mesh with the external gear ring 808 when rotating. The outer wall of ring 807 rotates, causing the outer gear ring 807 to drive the spiral guide plate 805 to rotate in the opposite direction inside the roller 801, ensuring the uniformity of steam. At the same time, in order to guide the outer gear ring 807, a guide ring 8010 is fixedly connected to the outer wall of the outer gear ring 807, and the guide ring 8010 is slidably connected to the inner wall of the roller 801, and the center of the guide ring 8010 coincides with the center of the roller 801. Through the setting of the guide ring 8010, the rotational stability of the side ring 806 and the spiral guide plate 805 is ensured by the sliding connection of the guide ring 8010 to the inner walls on both sides of the roller 801, and the precise guidance of the spiral guide plate 805 is achieved.

[0037] A method for an order-linked adaptive temperature control system for steam pressure in cardboard production includes the following steps: S1. Order Information Acquisition: The order information management device 1 can acquire the parameter information of orders that are currently pending production or in production in real time. The order parameter information includes the paper's grammage, material, flute type combination, planned production speed, and production quantity. Paper includes face paper, liner paper, and core paper; S2, Initial pressure setting: The data analysis and processing unit 2 sets the optimal steam pressure for the current order based on the acquired order information, and drives the main regulating valve 401 to regulate the pressure of the main steam pipeline 5. The main steam pipeline 5 supplies steam to the steam-using equipment 7 through the buffer flow stabilizer tank 6. S3. Real-time monitoring of production temperature: The production temperature is collected and monitored in real time by the temperature sensor 301 installed on the corrugated roll 8, and the real-time temperature information is collected to the data analysis and processing unit 2. S4. Fine pressure adjustment: By comparing the actual temperature collected with the target temperature of the current order parameters, the data analysis and processing unit 2 calculates the temperature deviation and outputs the steam pressure compensation value, and finely adjusts the steam pressure by driving the fine-tuning valve 402, so that the precise steam pressure is supplied to the steam-using equipment 7 through the buffer flow stabilizer tank 6. S5. Adaptive Subsequent Orders: Before the current order ends, adaptive calculations are performed for subsequent orders, and historical order parameters, corresponding stable production pressure values, and processing quality are scored.

[0038] In summary, in this invention, the spiral guide plate 805 inside the corrugated roller 8 rotates in the opposite direction to the roller 801 inside the roller 805 due to the meshing action of the inner gear ring 809, gear disk 808, and outer gear ring 807. Combined with the spiral structure of the spiral guide plate 805, this ensures a more uniform and even distribution of steam within the roller body, eliminating dead zones. Furthermore, the presence of vent holes 803 inside the vent pipe 802 creates a dual-channel system inside the roller 801, ensuring efficient steam entry and preventing uneven temperature distribution. This achieves uniform and efficient heating of the roller surface, fundamentally solving the problem of temperature difference on the roller surface. It allows heat to be transferred to the cardboard more efficiently and evenly, directly improving the bonding quality and flatness of the cardboard. This invention also solves the technical problem of existing steam pressure temperature control systems failing to control the steam pressure setting value according to related orders during cardboard production, resulting in low steam pressure accuracy and poor energy-saving effects.

[0039] The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of the invention or exceeding the scope defined by the appended claims.

Claims

1. An order association-based paperboard production steam pressure self-adaptive temperature control system, comprising an order information management device (1), a data analysis processing unit (2) and a data acquisition unit (3), characterized in that, The order information management device (1) is externally connected with a data analysis processing unit (2), and the data analysis processing unit (2) is externally electrically connected with a data acquisition unit (3); The steam main pipeline (5) is fixedly installed with a steam regulating valve (4), and the steam regulating valve (4) is driven by the data analysis processing unit (2); The steam main pipeline (5) is fixedly connected with a steam using equipment (7) at one end away from the steam regulating valve (4), and the steam using equipment (7) is fixedly installed with a buffer stable flow tank (6) at the front end of the steam branch, and the buffer stable flow tank (6) is located between the steam regulating valve (4) and the steam using equipment (7).

2. A paperboard production steam pressure self-adaptive temperature control system based on order correlation according to claim 1, characterized in that, The steam using equipment (7) comprises a preheater (701), a single-sided machine (702) and a double-sided machine (703); A plurality of preheating rollers are rotatably installed in the preheater (701); A plurality of corrugated rollers (8) are rotatably connected in the single-sided machine (702); A plurality of heat plates are fixedly installed in the double-sided machine (703), and the heat plates are arranged in a heating channel.

3. The paperboard production steam pressure self-adaptive temperature control system based on order correlation according to claim 1, characterized in that, The data acquisition unit (3) comprises a plurality of temperature sensors (301), pressure sensors (302) and speed sensors (303); The temperature sensors (301) are fixedly connected to the surfaces of the preheating rollers; The temperature sensors (301) are fixedly installed on the surfaces of the corrugated rollers (8); A plurality of temperature sensors (301) are installed on the surfaces of the heat plates; A plurality of pressure sensors (302) are fixedly installed at the front ends of steam inlets of the steam using equipment (7); The speed sensors (303) are fixedly installed at the main drive motors of the steam using equipment (7).

4. The paperboard production steam pressure self-adaptive temperature control system based on order correlation according to claim 3, characterized in that, The data analysis processing unit (2) is further electrically connected with a moisture detector (304), and the moisture detector (304) is fixedly installed at the outlet of the drying channel to detect the moisture content of the finished paperboard.

5. The paperboard production steam pressure self-adaptive temperature control system based on order correlation according to claim 1, characterized in that, The steam regulating valve (4) comprises a large-diameter main regulating valve (401) and a small-diameter fine regulating valve (402), and the main regulating valve (401) and the fine regulating valve (402) are installed in parallel on the steam main pipeline (5), and the main regulating valve (401) and the fine regulating valve (402) respectively receive different control signals from the data analysis processing unit (2) to work cooperatively.

6. A paperboard production steam pressure self-adaptive temperature control system based on order correlation according to claim 3, characterized in that, The outer wall of the corrugated roller (8) is fixedly connected with a roller cylinder (801), and a plurality of temperature sensors (301) are embedded in the roller cylinder (801) at equal intervals; The inner wall of the corrugated roller (8) is fixedly connected with an air pipe (802), and a plurality of air holes (803) are formed in the air pipe (802), and the air holes (803) are located in the roller cylinder (801); The outer wall of the air pipe (802) is fixedly connected with a rotating plate (804), and the two sides of the rotating plate (804) are fixedly connected with spiral guide plates (805), and the two ends of the spiral guide plates (805) are fixedly installed with side rings (806), and the side rings (806) are rotatably connected to the inner wall of the roller cylinder (801); A plurality of spiral guide plates (805) are spirally arranged on the outer periphery of the air pipe (802).

7. A paperboard production steam pressure self-adaptive temperature control system based on order correlation according to claim 6, characterized in that, The outer end of the side ring (806) is fixedly connected with an outer gear ring (807), and the outer wall of the outer gear ring (807) is meshedly connected with a gear disc (808), the outer wall of the gear disc (808) is meshedly connected with an inner gear ring (809), and the inner gear ring (809) is fixedly installed on the inner wall of the roller (801); The center of the outer gear ring (807) coincides with the center of the inner gear ring (809), and the center of the outer gear ring (807) coincides with the center of the air pipe (802).

8. A paperboard production steam pressure self-adaptive temperature control system based on order correlation according to claim 7, characterized in that, The outer wall of the outer gear ring (807) is fixedly connected with a guide ring (8010), the guide ring (8010) is slidingly connected with the inner wall of the roller (801), and the center of the guide ring (8010) coincides with the center of the roller (801).

9. The method of claim 1, wherein the paperboard production steam pressure adaptive temperature control system is based on order association. The method comprises the following steps: S1, order information acquisition: acquiring the order parameter information of the current order to be produced or being produced in real time through an order information management device (1); S2, initial pressure setting: setting the optimal steam pressure of the current order by the data analysis processing unit (2) through the acquired order information, and driving the main regulating valve (401) to regulate the pressure of the steam main pipeline (5), and the steam main pipeline (5) stably supplies steam to the steam-using equipment (7) through the buffer flow stabilizing tank (6); S3, real-time monitoring of production temperature: real-time acquisition and monitoring of production temperature by the temperature sensor (301) installed on the corrugated roller (8), and real-time temperature information acquisition to the data analysis processing unit (2); S4, fine pressure adjustment: by comparing the actual temperature collected with the target temperature of the current order parameter, calculating the temperature deviation by the data analysis processing unit (2) and outputting the steam pressure compensation value, and finely adjusting the steam pressure by driving the fine regulating valve (402), so that the accurate steam pressure is supplied to the steam-using equipment (7) through the buffer flow stabilizing tank (6); S5, adaptive calculation of subsequent orders: before the current order ends, the subsequent adaptive calculation is carried out, and the historical order parameters, the corresponding stable production pressure value and the processing quality are scored.

10. The method of claim 9, wherein the method further comprises: The order parameter information includes the grammage, material, order corrugation combination, planned production speed and production quantity of the paper; The paper includes face paper, back paper and core paper.

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