Energy-saving type jet printing drying system and using method thereof

Abstract

The invention relates to the field of jet printing, and discloses an energy-saving type jet printing drying system which comprises air outlet holes, and the air outlet holes are transverse oval long-strip holes and are arranged in an up-and-down staggered mode so that transverse heating can be uniform in the paper feeding process; the wind shielding and heat insulation plate and the drying exhaust hole are oppositely arranged, and the gap between the wind shielding and heat insulation plate and the drying exhaust hole is 60 mm; and the heating module is arranged in the dryer and is used for generating high-temperature gas. And through the elaborately designed segmented heating and hot air circulation system, the drying efficiency is remarkably improved, and the energy consumption is reduced. According to the system, the intelligent control technology is utilized, the temperature of the heating module is accurately adjusted according to actual requirements of all stages in the drying process, it is ensured that heat is evenly distributed, and energy waste is avoided. Meanwhile, the hot air circulation system effectively reduces heat energy loss and improves heat efficiency through the synergistic effect of the wind shielding heat insulation plate and the cross flow fan.

Description

Technical Field

[0001] The present invention relates to the field of inkjet printing technology, in particular to an energy-saving inkjet printing and drying system and a use method thereof. Background Art

[0002] In existing inkjet drying technology, drying system efficiency and energy consumption are two key issues. Traditional drying systems often use a single heating method and simple air circulation design, which leads to uneven heat distribution, low drying efficiency, and high energy consumption. Furthermore, due to the lack of precise temperature control and intelligent adjustment mechanisms, these systems have difficulty in achieving precise control of the heating module during operation, further increasing energy consumption.

[0003] In terms of structural design, many existing technologies fail to adequately consider the recycling and heat retention of hot air, resulting in significant heat loss during the drying process. For example, the design of the air outlets fails to ensure uniform heating of the paper during feeding, while the layout of the windshield, heat shield, and drying vents fails to form an efficient hot air circulation system. These design deficiencies not only affect drying uniformity and efficiency but also increase energy waste.

[0004] In terms of intelligent control, existing technologies often lack precise temperature control and intelligent adjustment capabilities for the heating module. This makes it difficult to maintain a constant temperature during the drying process, which not only affects drying quality but also increases energy consumption. Furthermore, due to complex maintenance procedures and insufficient equipment stability and reliability, existing technologies also face high maintenance costs and production interruptions.

[0005] Therefore, those skilled in the art have proposed an energy-saving inkjet printing and drying system and a method for using the same to solve the above problems. Summary of the Invention

[0006] In response to the deficiencies in the prior art, the present invention provides an energy-saving inkjet printing drying system and a method of using the same, which solve the problems of low hot air circulation efficiency, inaccurate temperature control, high energy consumption, and complex maintenance in traditional drying systems.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: an energy-saving inkjet printing and drying system and a method of using the same, comprising:

[0008] The air outlet holes are arranged as transverse elliptical strips and staggered up and down to achieve uniform transverse heating during paper feeding;

[0009] The windshield and heat insulation board and the drying exhaust hole are arranged opposite each other with a gap of 60mm between them;

[0010] A heating module, which is arranged inside the dryer and is used to generate high-temperature gas;

[0011] a cross-flow fan for sucking in high-temperature gas and circulating it along a predetermined path;

[0012] A guide shaft is provided at the bottom of the dryer, with a distance of 0.5 mm between the guide shaft surface and the bottom of the dryer, and is used to guide the paper and reduce the ingress of external airflow;

[0013] The controller is responsible for receiving the temperature information collected by the temperature sensor and controlling the power output of the heating module according to a preset temperature range or curve to achieve precise control of the drying temperature;

[0014] A solid-state relay controls the working state of the heating module according to the instruction of the temperature controller.

[0015] The above technical solution integrates multiple components to achieve efficient and uniform drying results and maximize energy efficiency. The system uses specially designed air outlets to achieve uniform heating of the paper during the paper feeding process; the windshield and heat insulation board cooperates with the drying exhaust holes to form a hot air flow circulation, reducing heat energy loss; the heating module is responsible for generating high-temperature gas inside the dryer; the cross-flow fan pushes the high-temperature gas along the predetermined path to ensure that the hot air covers the entire drying area; the guide shaft design ensures stable movement of the paper during the drying process, reducing the impact of external airflow; the intelligent control system composed of a controller and solid-state relay adjusts the power output of the heating module according to the information fed back by the temperature sensor, achieving precise temperature control, thereby ensuring that the drying process is both energy-saving and efficient, while also guaranteeing drying quality.

[0016] Preferably, the wind shield is designed so that the upper portion can move forward and backward. When the paper enters the dryer, the upper portion of the wind shield is manually moved toward the air inlet position, and the distance between the paper and the upper shield is controlled within 3 mm to reduce hot air overflow.

[0017] This technical solution optimizes the circulation of hot air and reduces heat loss. When paper enters the dryer, the upper portion of the windshield is manually adjusted toward the air inlet, and the distance between the paper and the upper baffle is precisely controlled to within 3mm. This design effectively limits the upward diffusion and outflow of hot air, ensuring a more concentrated flow of hot air onto the paper, thereby improving drying efficiency and thermal energy utilization. This design also helps maintain temperature uniformity within the dryer, preventing uneven drying and increased energy consumption caused by hot air loss, resulting in a more energy-efficient and efficient drying process.

[0018] Preferably, the guide shaft is also covered with photo paper to seal the bottom of the airflow rising area to prevent the ingress of external airflow.

[0019] Through the above technical solution, a sealed environment is formed, which effectively blocks the bottom of the rising airflow area and prevents the entry of external cold air. This ensures that the hot air circulation system inside the dryer is not disturbed by the external environment, thereby maintaining the stability and uniformity of the temperature inside the dryer, improving thermal efficiency, accelerating the drying speed, and ensuring the drying quality. At the same time, it also helps to reduce the fluttering or position displacement of paper caused by the entry of external airflow, further improving the stability and reliability of the drying process.

[0020] Preferably, the closed air cycle inside the dryer forms an exchange rate between the internal air and the external air, which is controlled within 10%.

[0021] This technical solution significantly improves thermal energy efficiency, reduces heat loss, and ensures that heat within the dryer is concentrated on the paper drying process. By limiting air exchange with the outside environment, the system effectively maintains a high temperature environment within the dryer and prevents the influx of cold air.

[0022] Preferably, the heating module is divided into three sections for heating, namely, two groups of heating in the 914mm section, three groups of heating in the 1270mm section and four groups of heating in the 1520mm section.

[0023] The above technical solution, by placing two, three, and four groups of heating units in three different length zones (914mm, 1270mm, and 1520mm), respectively, provides more uniform and appropriate heat distribution for the paper during the drying process. This design allows precise adjustment of the heating intensity of each section based on the actual needs of the paper at different positions in the dryer, ensuring uniform heating throughout the drying process, improving drying efficiency and quality. Furthermore, this segmented heating method helps optimize energy use, reducing unnecessary energy consumption and achieving more energy-efficient drying operations.

[0024] Preferably, the temperature information collected by the temperature sensor is transmitted to the temperature controller, and the temperature controller controls the start and stop of the solid-state relay according to the set value, thereby controlling the working state of the heating module to achieve a constant temperature state.

[0025] Through this technical solution, a temperature sensor monitors the temperature inside the dryer in real time and transmits this information to a temperature controller. The controller then intelligently adjusts the start and stop of the solid-state relay based on preset temperature parameters or curves, thereby precisely controlling the operating state of the heating module and ensuring that the temperature inside the dryer remains within a constant range. This closed-loop control system precisely controls the drying temperature, ensuring a stable and consistent drying process, and preventing uneven drying or quality degradation of paper caused by temperature fluctuations. It also helps improve energy efficiency and ensures the rational use of energy.

[0026] Preferably, the cross-flow fan is arranged at the air inlet of the dryer to suck in high-temperature gas and circulate it along a predetermined path.

[0027] This technical solution promotes efficient circulation of high-temperature air along a specific path within the dryer, ensuring even distribution of heat energy during the drying process. By drawing in high-temperature air, the crossflow fan not only helps maintain the dynamic balance of hot air flow within the dryer but also accelerates heat transfer to the paper, thereby improving drying efficiency and quality. Furthermore, this design helps minimize heat loss, making the drying process more energy-efficient and efficient.

[0028] Preferably, the design of the guide shaft allows the paper to remain stable during the drying process, reducing the swing of the paper.

[0029] Through the above technical solution, the paper can be effectively guided to move along a predetermined path, reducing the swinging or deviation that may occur in the paper during the high-speed drying process.

[0030] Preferably, the design of the windshield back plate and the windshield plate enables the hot air flow to form a closed cycle inside the dryer, thereby improving thermal efficiency.

[0031] Through the above technical solution, the hot air flow forms a closed loop inside the dryer through the guidance of the windshield back plate and the windshield, reducing heat loss. During the circulation process, the hot air flow continuously contacts the material to be dried, transferring heat and making full use of the heat.

[0032] A method for using an energy-saving inkjet printing and drying system comprises the following steps:

[0033] a. Startup preparation: Turn on the power, and after the system self-check is completed, initialize the temperature controller and solid-state relay;

[0034] b. Temperature setting: Input the required drying temperature range or curve through the controller’s user interface;

[0035] c. Paper feeding operation: Place the paper to be dried on the paper feeding shaft and ensure that the paper is positioned correctly;

[0036] d. Manually adjust the wind shield: After the paper enters the dryer, manually adjust the upper part of the wind shield to move it toward the air inlet, and ensure that the distance between the paper and the upper shield is controlled within 3mm;

[0037] e. Monitoring the drying process: During system operation, monitor the temperature information fed back by the temperature sensor to ensure that the temperature controller automatically adjusts the power output of the heating module according to the preset value;

[0038] f. Hot air circulation: The cross-flow fan continuously draws in high-temperature air and circulates it along a predetermined path to maintain hot air circulation inside the dryer;

[0039] g. Check the guide shaft: Make sure the guide shaft guides the paper correctly to reduce paper swinging. At the same time, check whether the photo paper completely covers the guide shaft to seal the bottom of the airflow rising area;

[0040] h. Segmented heating control: Automatically adjust the heating section of the heating module according to the position of the paper in the dryer to achieve precise heat distribution;

[0041] i. Complete drying: When the paper has completely passed through the dryer and reached the preset drying temperature, the system automatically stops heating and the drying process is completed;

[0042] j. System shutdown: After drying is completed, turn off the power, perform necessary system maintenance and cleaning, and prepare for the next use.

[0043] The above technical solution provides an efficient, accurate and easy-to-operate drying process. Through the steps of startup preparation, temperature setting, paper feeding operation, etc., the system can automatically operate according to the preset parameters.

[0044] The present invention provides an energy-saving inkjet printing and drying system and its use method.

[0045] Beneficial effects:

[0046] 1. The present invention significantly improves the drying efficiency and energy-saving effect through unique structural design and intelligent control. The system adopts an air outlet design with transverse elliptical long holes, combined with an upper and lower staggered layout, to ensure the uniformity of transverse heating during the paper feeding process, thereby improving the uniformity and efficiency of drying. At the same time, the opposite arrangement design of the windshield and heat insulation board and the drying exhaust hole, as well as the introduction of the cross-flow fan, form an efficient hot air flow circulation system, which reduces the loss of heat energy and improves the utilization rate of heat energy. In addition, through precise temperature control and intelligent adjustment of solid-state relays, precise control of the heating module is achieved, which further reduces energy consumption and achieves the goal of energy conservation and emission reduction.

[0047] 2. This invention utilizes an innovative segmented heating and closed-loop design to significantly reduce energy consumption and environmental impact while ensuring drying quality. By precisely controlling the temperature of each heating segment, the system optimizes hot air circulation, improves thermal efficiency, simplifies maintenance, enhances equipment stability, and reduces production interruptions, delivering economic benefits to businesses while also contributing to environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 It is a structural schematic diagram of the present invention;

[0049] Figure 2 This is a schematic diagram of the segmented heating of the inkjet drying system of the present invention. DETAILED DESCRIPTION

[0050] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the present specification. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0051] Please see the attached Figure 1 - Attachment Figure 2 The embodiment of the present invention provides an energy-saving inkjet printing and drying system and a method for using the same, including:

[0052] The air outlet holes are set as horizontal elliptical long holes and staggered up and down to achieve uniform horizontal heating during the paper feeding process;

[0053] The windshield and heat shield are located opposite the drying vents, with a 60mm gap between them. The upper portion of the windshield is designed to move forward and backward. Once paper enters the dryer, the upper portion is manually moved toward the air inlet, keeping the distance between the paper and the upper shield within 3mm to minimize hot air escaping. The lower windshield is foldable.

[0054] Specifically, these air outlet holes are designed as transverse elliptical strips and staggered vertically. This design helps achieve uniform lateral heating of the paper as it passes through the dryer, ensuring that ink or other coatings on both sides of the paper are evenly dried. The system also includes a windshield and heat shield and drying exhaust holes, which are arranged opposite each other with a 60mm gap between them. This layout helps create an effective hot air circulation path and minimize heat loss. The upper portion of the windshield is manually movable forward and backward. As the paper enters the dryer, the operator can adjust the upper portion of the windshield toward the air inlet, ensuring a distance of no more than 3mm between the paper and the upper shield. This measure significantly reduces hot air leakage and improves thermal efficiency. Furthermore, the lower windshield is foldable, which not only facilitates installation and maintenance but also allows the internal space layout of the dryer to be adjusted to accommodate different paper sizes, thereby enhancing the system's flexibility and adaptability. Overall, through these carefully designed components and features, the system achieves energy-saving, efficient, and uniform drying results.

[0055] A heating module is provided inside the dryer and is used to generate high-temperature gas;

[0056] Specifically, the module consists of multiple electric heating elements that are precisely arranged inside the dryer to ensure uniform heat generation. When the electric heating elements are energized, they heat up rapidly and generate high-temperature gases, which are then sucked in by a cross-flow fan and circulated along a predetermined path inside the dryer, thereby heating and drying the paper. The design of the heating module takes energy efficiency and safety into consideration, ensuring that while providing sufficient heat, it can also effectively control energy consumption and operating temperature to prevent overheating or energy waste. In addition, the heating module is usually connected to a temperature control system to automatically adjust the power output according to actual needs, achieve precise temperature control, and ensure the stability of the drying process and the quality of the paper.

[0057] Cross-flow fan, the cross-flow fan is used to suck in high-temperature gas and circulate it along a predetermined path; the cross-flow fan is set at the air inlet position of the dryer, and is used to suck in high-temperature gas and circulate it along a predetermined path.

[0058] Specifically, the main function of the cross-flow fan is to continuously inhale the high-temperature gas generated by the heating module and push this gas to circulate effectively along the predetermined path designed within the system. The design of this fan allows the gas to flow horizontally inside the dryer, thereby ensuring that the hot air flow can evenly cover the entire drying area, achieving comprehensive and uniform heating of the paper. In this way, the cross-flow fan not only improves the utilization efficiency of thermal energy, but also helps to reduce thermal energy loss, ensuring the efficiency and energy saving of the drying process. In addition, the setting of the cross-flow fan also helps to maintain a slightly positive pressure state inside the dryer, further reducing the infiltration of external cold air, thereby improving drying efficiency and quality.

[0059] The guide shaft is set at the bottom of the dryer. The distance between the guide shaft surface and the bottom of the dryer is 0.5mm. It is used to guide the paper and reduce the entry of external airflow. The guide shaft is also covered with photo paper to seal the bottom of the airflow rising area to prevent the entry of external airflow.

[0060] Specifically, the guide shaft is a key component in the energy-saving inkjet drying system. It is precisely set at the bottom of the dryer, and the distance from the bottom of the dryer is strictly controlled at 0.5mm. This design is intended to achieve precise guidance of the paper passing through the dryer, ensuring the stability and linearity of the paper during the drying process, and avoiding the paper from shifting or wrinkling during the drying process. At the same time, this layout of the guide shaft helps to reduce the external airflow entering the dryer, thereby maintaining the stability and uniformity of the airflow inside the dryer, which is crucial for achieving uniform drying of the paper. In addition, the guide shaft is also designed to be completely covered by the photo paper. This design further blocks the bottom of the airflow rising area, effectively preventing the entry of external airflow, ensuring that the hot airflow circulation system formed inside the dryer is not disturbed by the external environment, and improving thermal efficiency. It also helps to protect the paper from possible contamination or damage caused by external airflow, ensuring the quality of the paper after drying.

[0061] The controller is responsible for receiving the temperature information collected by the temperature sensor and controlling the power output of the heating module according to a preset temperature range or curve to achieve precise control of the drying temperature;

[0062] Solid-state relay, the solid-state relay controls the working state of the heating module according to the instructions of the temperature controller.

[0063] Specifically, the controller and solid-state relays together form an intelligent temperature management system that ensures that the temperature control of the drying process is both accurate and efficient. The main function of the controller is to receive real-time temperature data from temperature sensors, which are usually installed in key locations of the dryer, such as near the air outlet in the air collection chamber, to monitor the actual temperature during the drying process. The intelligent algorithm built into the controller dynamically adjusts the power output of the heating module according to a preset temperature range or a specific temperature curve. This means that the controller can automatically adjust the working intensity of the heating module according to the deviation between the real-time temperature data and the preset target to achieve precise control of the drying temperature, ensure that the paper is heated evenly during the drying process, and avoid overheating or insufficient drying.

[0064] The solid-state relay acts as an actuator between the controller and the heating module, controlling the module's start and stop according to commands from the controller. The advantages of a solid-state relay lie in its fast response and high reliability. It can quickly adjust the current flow according to the controller's instructions, thereby controlling the operating state of the heating module. This design not only improves the system's response speed but also reduces mechanical wear and energy consumption, extending the system's service life. This intelligent control method enables the drying system to achieve a more energy-efficient and efficient drying process while ensuring drying quality.

[0065] The air inside the dryer is closed cycle so that the exchange of internal and external air is controlled within 10%.

[0066] The heating module is divided into three sections of heating, namely two groups of heating in the 914mm section, three groups of heating in the 1270mm section and four groups of heating in the 1520mm section.

[0067] Specifically, the 914mm section has two sets of heaters: This is the initial section of the dryer, where lower heating intensity is required to gradually heat the paper to prevent damage to ink or other coating materials due to sudden temperature changes. The two sets of heaters provide moderate heat to evenly heat the paper surface.

[0068] 1270mm section three-group heating: As the paper enters the dryer further, more heat is needed to maintain and increase the drying speed. In this middle section, three groups of heating can provide stronger heat to ensure that the paper is fully dried as it passes through the middle part of the dryer.

[0069] 1520mm Section Four-Group Heating: This is the final section of the dryer where the paper is about to complete the drying process. The four-group heating provides maximum heat output to ensure that the paper is completely dried to the required degree of dryness before leaving the dryer.

[0070] This segmented heating design allows the system to adjust heat output according to varying heating requirements, thereby improving energy efficiency and drying quality. By precisely controlling the heating intensity of each segment, energy waste is avoided while ensuring uniform heating of the paper throughout the drying process, enhancing the quality and consistency of the end product. Furthermore, this design helps minimize deformation or damage to the paper caused by uneven temperatures, thereby improving production efficiency and reducing scrap.

[0071] The temperature information collected by the temperature sensor is transmitted to the temperature controller, and the temperature controller controls the start and stop of the solid-state relay according to the set value, thereby controlling the working state of the heating module to achieve a constant temperature state.

[0072] The guide shaft design keeps the paper stable during the drying process and reduces paper swinging. The windshield back plate and windshield design allow the hot air flow to form a closed loop inside the dryer, improving thermal efficiency.

[0073] Specifically, the design of the guide shaft and windshield together ensures efficient and stable drying. The guide shaft, meticulously designed and located at the bottom of the dryer, serves to guide the paper smoothly through the dryer, ensuring linear movement during drying, thereby minimizing paper swing and deflection. This design helps prevent the paper from swinging during high-speed drying and contacting the dryer walls or other components, potentially damaging it and affecting drying quality.

[0074] Furthermore, the structural design of the windshield backplate and windshield creates a closed circulation system for the hot air within the dryer. This design effectively restricts the hot air flow path, reduces heat loss, and improves thermal energy utilization efficiency. This allows the hot air to continuously circulate within the dryer, evenly covering the entire surface of the paper, ensuring that every part of the paper is fully heated and dried. This closed-loop design not only improves drying efficiency but also contributes to energy conservation by reducing the need for additional heat generation, thereby reducing energy consumption.

[0075] A method for using an energy-saving inkjet printing and drying system comprises the following steps:

[0076] a. Startup preparation: Turn on the power, and after the system self-check is completed, initialize the temperature controller and solid-state relay;

[0077] b. Temperature setting: Input the required drying temperature range or curve through the controller’s user interface;

[0078] c. Paper feeding operation: Place the paper to be dried on the paper feeding shaft and ensure that the paper is positioned correctly;

[0079] d. Manually adjust the wind shield: After the paper enters the dryer, manually adjust the upper part of the wind shield to move it toward the air inlet, and ensure that the distance between the paper and the upper shield is controlled within 3mm;

[0080] e. Monitoring the drying process: During system operation, monitor the temperature information fed back by the temperature sensor to ensure that the temperature controller automatically adjusts the power output of the heating module according to the preset value;

[0081] f. Hot air circulation: The cross-flow fan continuously draws in high-temperature air and circulates it along a predetermined path to maintain hot air circulation inside the dryer;

[0082] g. Check the guide shaft: Make sure the guide shaft guides the paper correctly to reduce paper swinging. At the same time, check whether the photo paper completely covers the guide shaft to seal the bottom of the airflow rising area;

[0083] h. Segmented heating control: Automatically adjust the heating section of the heating module according to the position of the paper in the dryer to achieve precise heat distribution;

[0084] i. Complete drying: When the paper has completely passed through the dryer and reached the preset drying temperature, the system automatically stops heating and the drying process is completed;

[0085] j. System shutdown: After drying is completed, turn off the power, perform necessary system maintenance and cleaning, and prepare for the next use.

[0086] The above technical solution provides an efficient, accurate and easy-to-operate drying process. Through the steps of startup preparation, temperature setting, paper feeding operation, etc., the system can automatically operate according to the preset parameters.

[0087] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An energy-saving printing and drying system, characterized in that: include: The air outlet holes are arranged as transverse elliptical strips and staggered up and down to achieve uniform transverse heating during paper feeding; The windshield and heat insulation board and the drying exhaust hole are arranged opposite each other with a gap of 60mm between them; A heating module, which is arranged inside the dryer and is used to generate high-temperature gas; a cross-flow fan for sucking in high-temperature gas and circulating it along a predetermined path; A guide shaft is provided at the bottom of the dryer, with a distance of 0.5 mm between the guide shaft surface and the bottom of the dryer, and is used to guide the paper and reduce the ingress of external airflow; The controller is responsible for receiving the temperature information collected by the temperature sensor and controlling the power output of the heating module according to a preset temperature range or curve to achieve precise control of the drying temperature; A solid-state relay controls the working state of the heating module according to the instruction of the temperature controller.

2. The energy-saving printing and drying system according to claim 1, characterized in that: The wind shield is designed so that the upper part can move forward and backward. When the paper enters the dryer, the upper part of the wind shield is manually moved toward the air inlet position. The distance between the paper and the upper shield is controlled within 3mm to reduce the overflow of hot air.

3. The energy-saving printing and drying system according to claim 1, characterized in that: The guide shaft is also covered with photo paper to seal the bottom of the airflow rising area to prevent the ingress of external airflow.

4. The energy-saving inkjet printing and drying system according to claim 1, characterized in that: The closed circulation of the air inside the dryer controls the exchange of the internal air and the external air within 10%.

5. The energy-saving printing and drying system according to claim 1, characterized in that: The heating module is divided into three sections for heating, namely, two groups of heating for the 914mm section, three groups of heating for the 1270mm section and four groups of heating for the 1520mm section.

6. The energy-saving inkjet printing and drying system according to claim 1, characterized in that: The temperature information collected by the temperature sensor is transmitted to the temperature controller, and the temperature controller controls the start and stop of the solid-state relay according to the set value, thereby controlling the working state of the heating module to achieve a constant temperature state.

7. The energy-saving printing and drying system according to claim 1, characterized in that: The cross-flow fan is arranged at the air inlet of the dryer and is used to suck in high-temperature gas and circulate it along a predetermined path.

8. The energy-saving printing and drying system according to claim 1, characterized in that: The design of the guide shaft allows the paper to remain stable during the drying process and reduces the swinging of the paper.

9. The energy-saving inkjet printing and drying system according to claim 1, characterized in that: The design of the windshield back plate and the windshield plate enables the hot air flow to form a closed cycle inside the dryer, thereby improving thermal efficiency.

10. A method for using an energy-saving inkjet printing and drying system, according to any one of claims 1 to 9, wherein: The following steps are involved: a. Startup preparation: Turn on the power, and after the system self-check is completed, initialize the temperature controller and solid-state relay; b. Temperature setting: Input the required drying temperature range or curve through the controller’s user interface; c. Paper feeding operation: Place the paper to be dried on the paper feeding shaft and ensure that the paper is positioned correctly; d. Manually adjust the wind shield: After the paper enters the dryer, manually adjust the upper part of the wind shield to move it toward the air inlet, and ensure that the distance between the paper and the upper shield is controlled within 3mm; e. Monitoring the drying process: During system operation, monitor the temperature information fed back by the temperature sensor to ensure that the temperature controller automatically adjusts the power output of the heating module according to the preset value; f. Hot air circulation: The cross-flow fan continuously draws in high-temperature air and circulates it along a predetermined path to maintain hot air circulation inside the dryer; g. Check the guide shaft: Make sure the guide shaft guides the paper correctly to reduce paper swinging. At the same time, check whether the photo paper completely covers the guide shaft to seal the bottom of the airflow rising area; h. Segmented heating control: Automatically adjust the heating section of the heating module according to the position of the paper in the dryer to achieve precise heat distribution; i. Complete drying: When the paper has completely passed through the dryer and reached the preset drying temperature, the system automatically stops heating and the drying process is completed; j. System shutdown: After drying is completed, turn off the power, perform necessary system maintenance and cleaning, and prepare for the next use.

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