Drying device for toilet paper production

Abstract

The drying device for toilet paper production comprises a drying box, the drying box is provided with a feeding port and a discharging port which are opposite to each other, meanwhile, the drying box is further provided with a heating module and an exhaust pipe, an exhaust module is arranged in the exhaust pipe, and the heating module is located at the rear end of the exhaust pipe in the moving direction of toilet paper to be dried; the drying box is further provided with a controller, and the controller is electrically connected with the heating module and the exhaust module. A plurality of temperature sensors electrically connected with the controller are further arranged in the drying box. According to the drying device, secondary adjustment of the water content of the toilet paper can be achieved by guiding steam flow to move synchronously with the toilet paper in the cooling section, the adjustment mode can be adjusted through the air exhaust speed of the air exhaust module, and therefore balance between dryness and flexibility is achieved, and the drying effect on the toilet paper is improved.

Description

Technical Field

[0001] This application relates to the field of papermaking equipment technology, specifically to a drying device for toilet paper production. Background Technology

[0002] The production process of toilet paper generally includes steps such as pulping, papermaking, extrusion, drying, and cutting. In the drying step, high-temperature drying ovens are generally used to reduce the moisture content of toilet paper to 5%-10%. However, in the current technology, drying equipment generally only has one drying process and lacks subsequent adjustment measures. Therefore, the drying quality of toilet paper lacks the necessary adjustment measures, and its drying effect is poor. Utility Model Content

[0003] The main objective of this application is to provide a drying apparatus for toilet paper production, which aims to solve the defects of poor drying effect in the prior art.

[0004] This application achieves the above objectives through the following technical solutions:

[0005] A drying apparatus for toilet paper production, including a drying chamber;

[0006] The feed inlet is located on the drying chamber, and the drying chamber is also provided with a discharge outlet directly opposite the feed inlet;

[0007] A heating module is mounted on the drying oven;

[0008] An exhaust pipe is connected to the drying chamber, and an exhaust module is installed inside the exhaust pipe along the direction of movement of the toilet paper to be dried. The heating module is located at the rear end of the exhaust pipe.

[0009] The controller is electrically connected to the heating module and the exhaust module respectively; the drying oven is also equipped with several temperature sensors that are electrically connected to the controller respectively.

[0010] Optionally, along the direction of movement of the toilet paper to be dried, the drying chamber is divided into a preheating section, a heating section and a cooling section in sequence, and the outlet end of the exhaust pipe is connected to the preheating section.

[0011] Optionally, a dehydration tank is also provided on the exhaust pipe, and the dehydration tank is provided with several dehydration modules.

[0012] Optionally, the dehydration module includes a sealed box, which is inserted into the dehydration chamber; the sealed box is provided with an air inlet and an exhaust outlet facing each other, and both the air inlet and the exhaust outlet are provided with a barrier mesh; the sealed box is filled with a dehydrating agent.

[0013] Optionally, a sealing ring is also provided between the sealing box and the dehydration box.

[0014] Optionally, the sealing box is provided with a sealing plate that fits into the dehydration box, and a sealing gasket is provided between the sealing plate and the dehydration box; the sealing plate is provided with a plurality of connecting holes, and the dehydration box is provided with a plurality of connecting screws that are adapted to the connecting holes.

[0015] Optionally, the heating module includes a support frame and an electric heating plate, the electric heating plate being mounted on the support frame, and the support frame being connected to the drying oven.

[0016] Optionally, the drying oven is equipped with a lifting motor, and a limit rod is installed inside the drying oven. The support frame is slidably connected to the limit rod, and the lifting motor is connected to the support frame. The drying oven is also equipped with a distance sensor for detecting the position of the support frame.

[0017] Optionally, the exhaust module includes an exhaust fan disposed at the inlet end of the exhaust pipe.

[0018] Optionally, the controller includes an industrial control computer and a PLC, wherein the industrial control computer is electrically connected to the PLC.

[0019] Compared with the prior art, this application has the following beneficial effects:

[0020] This application includes a drying chamber with an inlet and an outlet facing each other. The drying chamber also includes a heating module and an exhaust pipe. The exhaust pipe houses the exhaust module, which is positioned along the direction of movement of the toilet paper to be dried. The heating module is located at the rear end of the exhaust pipe. The drying chamber also includes a controller electrically connected to both the heating module and the exhaust module. Several temperature sensors, each electrically connected to the controller, are also located inside the drying chamber.

[0021] During use, the toilet paper to be dried is fed into the inlet and discharged through the outlet. The paper roll is released and retracted by the rollers, thereby controlling the continuous flow of toilet paper into the drying chamber. At the same time, the heating module heats the inside of the drying chamber and dries the wet toilet paper. The high-temperature water vapor generated during the drying process is discharged through the exhaust pipe.

[0022] Because the heating module is located at the rear end of the exhaust pipe along the direction of movement of the toilet paper to be dried, and the temperature of the area in the drying chamber directly under the heating device will gradually decrease, the wet toilet paper will quickly evaporate its own moisture due to the high temperature when it is directly below the heating device, generating a large amount of water vapor. At the same time, due to the suction effect of the exhaust module, the high-temperature water vapor will move along with the toilet paper towards the discharge port. As the temperature of the drying chamber gradually decreases after moving away from the heating module, some of the water vapor in the vicinity of the toilet paper will re-adhere to the toilet paper, thereby wetting the toilet paper and achieving a secondary adjustment of the moisture content of the toilet paper. Moreover, the above adjustment method can also be adjusted by the suction speed of the exhaust module, thereby achieving a balance between dryness and flexibility, improving the drying effect of the toilet paper, and preventing the toilet paper from spontaneously combusting, ensuring the safe operation of the equipment.

[0023] Secondly, since this application uses high-temperature steam to wet the toilet paper a second time, the temperature control requirements are relaxed, which not only reduces the difficulty of equipment control, but also helps to improve the quality of the dried toilet paper. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of a drying apparatus for toilet paper production provided in Embodiment 1 of this application;

[0025] Figure 2 An exploded view of a drying apparatus for toilet paper production provided in Embodiment 1 of this application;

[0026] Figure 3 A cross-sectional view of a drying apparatus for toilet paper production provided in Embodiment 1 of this application;

[0027] Figure 4 This is a schematic diagram showing the connection between the dehydration tank and the dehydration module;

[0028] Attached reference numerals: 1-Drying chamber, 2-Inlet, 3-Outlet, 4-Exhaust pipe, 5-Controller, 6-Temperature sensor, 7-Dehydration chamber, 8-Sealed chamber, 9-Air inlet, 10-Exhaust port, 11-Barrier mesh, 12-Dehydrating agent, 13-Sealing ring, 14-Sealing plate, 15-Sealing gasket, 16-Connecting hole, 17-Connecting screw, 18-Support frame, 19-Electric heating plate, 20-Lifting motor, 21-Limit rod, 22-Distance sensor, 23-Exhaust fan.

[0029] The purpose, features, and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0032] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0034] Implementation Method 1

[0035] Reference Figures 1 to 4 This embodiment is an optional embodiment of this application, which discloses a drying device for toilet paper production, including a drying box 1. The drying box 1 is generally rectangular, and along the length direction of the drying box 1, a feed inlet 2 is provided at one end of the drying box 1 and a discharge outlet 3 is provided at the other end.

[0036] From the inlet 2 to the outlet 3, the drying chamber 1 is sequentially divided into a preheating section, a heating section and a cooling section;

[0037] The drying device further includes a heating module disposed within the heating section; the heating module includes a support frame 18 and an electric heating plate 19.

[0038] The support frame 18 is located in the heating section of the drying oven 1. The electric heating plate 19 is disposed on the support frame 18. Two limiting rods 21 are also disposed inside the drying oven 1. Along the length direction of the drying oven 1, the two limiting rods 21 are disposed on both sides of the support frame 18. Sliding holes are provided on both sides of the support frame 18. The sliding holes are slidably connected in series with the limiting rods 21.

[0039] Meanwhile, a lifting motor 20 is also provided on the top of the drying oven 1. Preferably, the lifting motor 20 is an electric push rod. The telescopic rod of the lifting motor 20 is connected to the support frame 18. Meanwhile, a distance sensor 22 is also provided on the top of the drying oven 1. The distance sensor is directly facing the support frame 18.

[0040] The distance sensor 22 can accurately monitor the position of the support frame 18, and the lifting motor 20 can be used to adjust the position of the support frame 18 at will. The adjustment of the position of the support frame 18 can control the distance between the heating module and the toilet paper to be dried, thereby controlling the temperature that the toilet paper to be dried is subjected to during the drying process, realizing diversified temperature control and improving the flexibility of equipment control.

[0041] Furthermore, an exhaust pipe 4 is also provided on the drying chamber 1. The inlet end of the exhaust pipe 4 is connected to the cooling section of the drying chamber 1, and its outlet end is connected to the preheating section of the drying chamber 1. An exhaust module is also provided inside the inlet end of the exhaust pipe 4.

[0042] Preferably, the exhaust module includes an exhaust fan 23;

[0043] The drying oven 1 is also equipped with a controller 5, which includes an industrial control computer and a PLC. The industrial control computer is electrically connected to the PLC, and the electric heating plate 19, the distance sensor 22 and the exhaust fan 23 are respectively electrically connected to the PLC.

[0044] Furthermore, a temperature sensor 6 is also installed inside the drying oven 1, and the temperature sensor 6 is electrically connected to the PLC;

[0045] The above settings not only enable the recovery and reuse of hot air, reducing the overall energy consumption of the equipment, but also effectively extend the drying time of toilet paper through preheating, which is beneficial to improving the drying effect; at the same time, the temperature sensor 6 can effectively improve the accuracy of temperature control.

[0046] Furthermore, a dehydration tank 7 is also provided on the exhaust pipe 4. The dehydration tank 7 contains several dehydration modules, each including a sealing box 8. The sealing box 8 has a rectangular parallelepiped structure. Along the length of the dehydration tank 7, two sealing rings 13 are sequentially arranged inside the dehydration tank 7. The cross-section of the sealing ring 13 is the same as the inner cross-section of the dehydration tank 7, and its central part is hollow. Each side of the sealing ring 13 is sealed to the inner wall of the dehydration tank 7. The cavity between the two sealing plates 14 is used to place the sealing box 8, and a placement opening is also provided at the top of the dehydration tank 7.

[0047] The sealed box 8 can be easily placed into the dehydration box 7 through the placement port;

[0048] Meanwhile, along the length of the sealed box 8, an air inlet 9 is provided at one end of the sealed box 8 and an initial outlet is provided at the other end. Both the air inlet 9 and the exhaust outlet 10 are provided with a barrier mesh 11; the sealed box 8 is filled with a dehydrating agent 12.

[0049] A sealing plate 14 is also provided on the top of the sealing box 8. Along the height direction of the dehydration box 7, the bottom surface of the sealing plate 14 is in contact with the top surface of the dehydration box 7. At the same time, a sealing gasket 15 is also provided between the sealing plate 14 and the dehydration box 7.

[0050] The sealing plate 14 is provided with a plurality of connection holes 16, and the dehydration tank 7 is provided with a plurality of connection screws 17 adapted to the connection holes 16.

[0051] Furthermore, sealing blocks can be added to the remaining outer peripheral surfaces of the sealing box 8. When the sealing box 8 is inserted into the dehydration box 7, each sealing block is respectively attached to the inner wall of the dehydration box 7, thereby achieving a seal against airflow.

[0052] Furthermore, multiple sealing boxes 8 can be installed inside the dehydration tank 7, with each sealing box 8 arranged sequentially along the airflow direction.

[0053] The cooperation of the sealing ring 13, sealing plate 14 and each of the sealing gaskets 15 ensures that the high-temperature steam flow can only enter the sealed box 8 from the air inlet 9, and after contacting the dehydrating agent 12, it is discharged from the exhaust port 10, thereby achieving rapid removal of moisture, preventing the high-temperature steam from flowing back into the drying box 1, and improving the drying quality.

[0054] Secondly, when the dehydrating agent 12 needs to be replaced, the equipment can be quickly disassembled by pulling out the sealed box 8, thus making the replacement convenient and quick. It is no longer necessary to remove the entire dehydrating box 7, which simplifies the equipment maintenance procedure and improves maintenance efficiency.

[0055] In use, the device described in this application feeds rolled toilet paper into the feed inlet and outputs it through the discharge outlet. The paper roll is released and retracted by the rollers, thereby controlling the continuous flow of toilet paper into the drying chamber. At the same time, the heating module heats the toilet paper in the drying chamber, forming a high-temperature zone in the heating section. Meanwhile, the hot air from the heating section is diverted to the cooling section by the exhaust fan and finally flows back to the preheating section through the exhaust pipe and the dehydration chamber, thus forming a complete airflow loop.

[0056] In the preheating section, the damp toilet paper is preheated by hot air, achieving initial evaporation of moisture and increasing the temperature of the toilet paper. Subsequently, in the heating section, the temperature of the moisture inside the toilet paper can rise at a faster rate, thus quickly evaporating its own moisture. The high-temperature water vapor will move towards the discharge port along with the toilet paper. In the cooling section, as the distance from the electric heating plate increases, the temperature of the drying chamber will continuously decrease. At this time, water vapor in a certain area on the top or bottom surface of the toilet paper will condense again and adhere to the toilet paper, thus wetting the toilet paper and achieving secondary adjustment of the moisture content of the toilet paper. Moreover, the above adjustment method can also be adjusted by the air extraction speed of the exhaust module, thereby achieving a balance between dryness and flexibility, improving the drying effect of the toilet paper, and preventing the toilet paper from spontaneously combusting, ensuring the safe operation of the equipment.

[0057] Secondly, since this application uses high-temperature steam to wet the toilet paper a second time, the temperature control requirements are relaxed, which not only reduces the difficulty of equipment control, but also helps to improve the quality of the dried toilet paper.

[0058] The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A drying apparatus for sanitary paper production, characterized by It comprises a drying box (1); An inlet (2) is arranged on the drying box (1), and an outlet (3) opposite to the inlet (2) is also arranged on the drying box (1); A heating module is arranged on the drying box (1); An exhaust pipe (4) is connected with the drying box (1), and an exhaust module is arranged in the exhaust pipe (4); along the movement direction of the toilet paper to be dried, the heating module is located at the rear end of the exhaust pipe (4); A controller (5) is electrically connected with the heating module and the exhaust module respectively; a plurality of temperature sensors (6) electrically connected with the controller (5) are also arranged in the drying box (1).

2. The drying apparatus for sanitary paper production according to claim 1, characterized in that, Along the movement direction of the toilet paper to be dried, the drying box (1) is sequentially divided into a preheating section, a heating section and a cooling section, and the outlet end of the exhaust pipe (4) is communicated with the preheating section.

3. The drying apparatus for sanitary paper production according to claim 1, characterized in that, A dehydration box (7) is also arranged on the exhaust pipe (4), and a plurality of dehydration modules are arranged in the dehydration box (7).

4. The drying apparatus for sanitary paper production according to claim 3, characterized in that, The dehydration module comprises a sealing box (8) inserted into the dehydration box (7); an air inlet (9) and an air outlet (10) opposite to each other are arranged on the sealing box (8), and a blocking mesh (11) is arranged on the air inlet (9) and the air outlet (10); and a dehydration agent (12) is filled in the sealing box (8).

5. The drying apparatus for sanitary paper production according to claim 4, characterized in that, A sealing ring (13) is arranged between the sealing box (8) and the dehydration box (7).

6. The drying apparatus for sanitary paper production according to claim 4, characterized in that, A sealing plate (14) abutting with the dehydration box (7) is arranged on the sealing box (8), a sealing gasket (15) is arranged between the sealing plate (14) and the dehydration box (7); a plurality of connecting holes (16) are arranged on the sealing plate (14), and a plurality of connecting screws (17) adapted to the connecting holes (16) are arranged on the dehydration box (7).

7. The drying apparatus for sanitary paper production according to claim 1, characterized in that, The heating module comprises a support frame (18) and an electric heating plate (19), the electric heating plate (19) is mounted on the support frame (18), and the support frame (18) is connected with the drying box (1).

8. The drying apparatus for sanitary paper production according to claim 7, characterized in that, A lifting motor (20) is arranged on the drying box (1), a limiting rod (21) is arranged in the drying box (1), the support frame (18) is slidably connected with the limiting rod (21), and the lifting motor (20) is connected with the support frame (18); a distance sensor (22) for detecting the position of the support frame (18) is also arranged on the drying box (1).

9. The drying apparatus for sanitary paper production according to claim 1, characterized in that, The exhaust module comprises an exhaust fan (23) arranged at the inlet end of the exhaust pipe (4).

10. The drying apparatus for sanitary paper production according to claim 1, characterized in that, The controller (5) comprises an industrial computer and a PLC, and the industrial computer is electrically connected with the PLC.

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