A drying device for corrugated cardboard
By installing heating components and heat source components in the corrugated cardboard production plant and controlling the heating pipeline and airflow distribution, the problem of low drying efficiency of corrugated cardboard in humid environments has been solved, achieving uniform and rapid drying and stable heating.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 福建榕升纸业有限公司
- Filing Date
- 2026-03-12
- Publication Date
- 2026-05-26
AI Technical Summary
In existing corrugated cardboard production plants, the humid air leads to uneven temperature and humidity distribution, resulting in low drying efficiency and poor results, especially for urgent goods.
The heating components and heat source components, including heating pipes and heat source pipes, are installed in the drying chamber. By controlling the movement of the heating pipes and the airflow distribution, uniform heating and rapid drying of corrugated cardboard are achieved.
It improves the drying efficiency and effect of corrugated cardboard, ensures uniform drying, extends the service life of hoses, and guarantees the stability and reliability of heat source components.
Smart Images
Figure CN122083633A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of corrugated board production, and in particular to a drying apparatus for corrugated board. Background Technology
[0002] Corrugated cardboard is a multi-layered adhesive consisting of a corrugated core and cardboard sheets on both sides of the core. Its unique structure gives it high mechanical strength, enabling it to withstand impacts and drops during handling. Therefore, it is often used as a packaging material to provide good protection for goods.
[0003] Currently, corrugated cardboard is typically produced and processed in large factories, and the finished product is usually stored in these factories awaiting shipment. However, when the air is humid (such as in the damp and cold weather of southern regions), it can affect the quality and lifespan of the corrugated cardboard stored in the factory. Therefore, a central heating or ventilation system is usually used inside the factory to regulate the temperature and humidity of the internal environment, in order to reduce the impact of the humid environment on the corrugated cardboard.
[0004] However, due to the large space inside the factory, it is easy to encounter problems such as uneven temperature and humidity distribution and high energy consumption when adjusting the temperature and humidity of the factory environment. Moreover, for urgent goods that need to be dried quickly, the existing drying methods are inefficient and the effect is not ideal. Summary of the Invention
[0005] This application provides a drying device for corrugated cardboard, which can quickly dry urgent goods and effectively improve the drying efficiency and effect of corrugated cardboard.
[0006] This application provides a drying device for corrugated cardboard, which adopts the following technical solution: A drying apparatus for corrugated cardboard, disposed in a drying chamber, includes a heating component and a heat source component; The drying chamber is located inside the factory building and has a drying space inside. The drying space forms an opening that can be opened and closed in a controllable manner on one side of the drying chamber, and the inner wall of the drying space is provided with a heat insulation layer. The heating assembly includes several heating pipes and multiple heat sinks. The heating pipes are disposed in the drying space and close to the inner wall of the drying space, and the heat sinks are disposed on the outer side of the heating pipes. The heat source assembly includes several heat source pipelines for transporting waste steam, and the several heat source pipelines are connected to several heating pipelines.
[0007] By adopting the above technical solution, when urgent goods need to be dried quickly, the opening is closed after the goods are sent into the drying space, and then the heat source component is activated to provide heat to the heating component. The heating component heats the drying space, which can effectively improve the drying efficiency and effect of the corrugated paper in the drying space, thereby achieving rapid drying of urgent goods in a stable and reliable manner.
[0008] Optionally, the heating assembly includes three heating pipes, and the three heating pipes are located on the three sides of the drying space away from the opening.
[0009] By adopting the above technical solution, the heating efficiency of the heating component in the drying space can be effectively improved, and the uniformity of heat distribution in the drying space can be effectively improved, thereby improving the uniformity of the drying effect on the corrugated cardboard in the drying space, and thus improving the drying effect of the corrugated cardboard.
[0010] Optionally, the heating pipe is movably connected to the drying chamber, and the heat source pipe includes multiple flexible hoses, with the heating pipe connected and communicating with the flexible hoses.
[0011] By adopting the above technical solution, it is possible for staff to control the movement of three heating pipes to focus on drying the corrugated cardboard at the location in the drying space and the degree of moisture in different locations, thereby meeting the drying needs of more corrugated cardboard.
[0012] Optionally, the heating assembly includes three driving elements corresponding one-to-one with the three heating pipes, and the driving elements are used to drive the corresponding heating pipes to move.
[0013] By adopting the above technical solution, staff can easily control the movement of different heating pipes to the required position according to their needs.
[0014] Optionally, the three drive units respectively drive the three heating pipes to move synchronously around the center of the drying space in the same circumferential direction.
[0015] By adopting the above technical solution, during the process of heating the drying space while the three heating pipes are moving, the periphery of the corrugated cardboard can be heated evenly, and the uniformity of heat distribution in the drying space can be further improved, thereby further improving the uniformity of the drying effect of the corrugated cardboard.
[0016] Optionally, adjacent heating pipes are connected and communicated through the flexible hose, and the heat source assembly includes two first limiting members for limiting the flexible hose; The first limiting member is disposed in the drying space and located between adjacent heating pipes, and forms a clearance space between it and the corner of the adjacent drying space for the hose to pass through; as the hose moves with the heating pipes, the hose remains in the clearance space and in contact with the adjacent first limiting member.
[0017] By adopting the above technical solution, the positional stability of the hoses between adjacent heating pipes during the movement of the heating pipes can be improved, thereby reducing the probability of excessive bending, tangling or even knotting of the hoses, extending the service life of the hoses, and thus effectively ensuring the stability and reliability of the heat source components in providing heat to the heating pipes.
[0018] Optionally, the first limiting member is rotatably connected to the drying chamber and its rotation axis is vertical, and a first fan is provided on the first limiting member; As the hose moves along with the heating pipe, the hose drives the first limiting member to rotate, and the first fan rotates with the first limiting member to form an airflow in the drying space.
[0019] By adopting the above technical solution, the heating pipeline can drive the first fan to rotate during its operation, promoting the flow of gas in the drying space, thereby making the heat distribution in the drying space more uniform, and further effectively improving the efficiency and effect of corrugated cardboard drying.
[0020] Optionally, the heat source assembly further includes two second limiting members for limiting the hose; The second limiting member is movably disposed in the drying space in a vertical direction, and the two second limiting members are respectively located on both sides of the opening; the hose passes over the top of the adjacent second limiting member and maintains contact with the adjacent second limiting member; a plurality of elastic members are disposed between the second limiting member and the drying chamber, and the elastic members have a tendency to drive the second limiting member to move upward so that the adjacent hose remains stretched.
[0021] By adopting the above technical solution, the positional stability of the remaining hoses during the operation of the heating pipeline can be improved, thereby further reducing the probability of excessive bending, tangling or even knotting of the hoses, further extending the service life of the hoses, and thus further effectively ensuring the stability and reliability of the heat source components in providing heat to the heating pipeline.
[0022] Optionally, a second fan is rotatably mounted on the second limiting member, and the rotation axis of the second fan is horizontal; a rack structure is provided in the vertical direction around the second limiting member in the drying chamber, and the second fan meshes with the adjacent rack structure through a gear structure; during the movement of the second limiting member, the second fan rotates accordingly, driving the airflow through the drying space near the opening.
[0023] By adopting the above technical solution, the heating pipeline can drive the second fan to rotate during its operation, promoting the air flow in the drying space near the opening of the corrugated cardboard. This effectively ensures the drying effect on the side of the corrugated cardboard near the opening, and further ensures the uniformity of the drying effect on the corrugated cardboard.
[0024] Optionally, when the three heating pipes move synchronously around the center of the drying space in the same circumferential direction, the two second fans drive the airflow in opposite directions.
[0025] By adopting the above technical solution, during the rotation of the second fan, not only can the gas be driven to flow from the side of the corrugated cardboard near the opening, but the gas in the drying space can also be promoted to circulate on the side of the corrugated cardboard near the opening. This can further ensure the uniformity of heat distribution in the drying space and reduce the probability that the poor drying effect on the side of the corrugated cardboard near the opening will affect the overall drying effect of the corrugated cardboard.
[0026] In summary, this application includes at least one of the following beneficial effects: 1. It can quickly dry urgent goods, effectively improving the drying efficiency and effect of corrugated cardboard; 2. It can heat and dry corrugated cardboard as needed, focusing on heating and drying damp areas to meet the drying needs of more corrugated cardboard. 3. It can improve the uniformity of heat distribution in the drying space during the drying process, and at the same time promote gas circulation, so that the drying effect on corrugated cardboard is more uniform, thereby effectively ensuring the efficiency and effect of drying corrugated cardboard. 4. It can effectively protect the hose and extend its service life, thereby effectively ensuring the stability of the heat source component's operation, and thus effectively ensuring the reliability and stability of the heating component in heating and drying the corrugated cardboard. Attached Figure Description
[0027] Figure 1 This is a schematic diagram of the structure of a drying device for corrugated cardboard according to Example 1; Figure 2 This is an internal cross-sectional view of a corrugated cardboard drying apparatus according to Example 1; Figure 3This is a schematic diagram of the heating component in Example 1; Figure 4 This is a schematic diagram of the internal structure of a drying device for corrugated cardboard according to Example 2; Figure 5 This is an internal cross-sectional view of a corrugated cardboard drying apparatus according to Example 3; Figure 6 This is a schematic diagram of the structure of the second limiting member in Embodiment 3; Figure 7 This is a simplified schematic diagram of the two second limiting members when the heating component is centered in Embodiment 3; Figure 8 This is a simplified schematic diagram of the two second limiting members when the heating components move synchronously in Embodiment 3.
[0028] Explanation of reference numerals in the attached drawings: 1. Drying chamber; 11. Drying space; 12. Opening; 13. Clearance space; 14. Rack and pinion structure; 2. Heating assembly; 21. Heating pipe; 22. Heat sink; 23. Drive component; 3. Heat source assembly; 31. Heat source pipe; 311. Flexible hose; 312. Rigid pipe; 32. First limiting component; 33. Second limiting component; 34. Elastic component; 35. First fan; 36. Second fan; 361. Gear structure. Detailed Implementation
[0029] The following is in conjunction with the appendix Figure 1-8 This application will be described in further detail. Example 1:
[0030] This application discloses a drying device for corrugated cardboard, used to dry damp corrugated cardboard in a factory that needs to be shipped urgently, so as to ensure that the corrugated cardboard is shipped with high quality after drying.
[0031] Reference Figure 1 and Figure 2The factory interior includes a drying chamber 1 for drying damp corrugated cardboard that needs to be shipped urgently. The drying chamber 1 contains a drying space 11 for storing and drying the corrugated cardboard. An opening 12 is formed on one side of the drying chamber 1 for the corrugated cardboard to enter and exit. The drying chamber 1 has a structure at the opening 12 for controlling its opening and closing. In this embodiment, the drying chamber 1 is preferably a cuboid with a square cross-section. The opening 12 is located on one side of the square cross-section of the drying chamber 1. The inner walls of the drying space 11 have insulation layers (omitted in the accompanying drawings). Preferably, the drying chamber 1 has an insulated roller shutter door at the opening 12, allowing staff to control the opening and closing of the opening 12 as needed, and ensuring a certain distance between the corrugated cardboard and the opening 12 when placed in the drying space 11. Since the drying chamber 1 and roller shutter door with the above functions are common existing technologies, they will not be described in detail here, and are only briefly shown in the accompanying drawings.
[0032] The drying device is installed in the drying chamber 1 and is used to heat and dry the drying space 11, so that the corrugated cardboard in the drying space 11 can be dried fully and evenly, thereby improving the quality of the corrugated cardboard.
[0033] Reference Figure 2 and Figure 3 The drying device includes a heating component 2 for directly heating and drying the drying space 11 and a heat source component 3 for providing a heat source to the heating component 2.
[0034] The heating assembly 2 includes three heating pipes 21 and multiple heat sinks 22. The three heating pipes 21 are respectively located on the three sides of the drying space 11 except for the opening 12 and are close to the inner wall of the adjacent drying space 11. The heating pipes 21 are composed of two vertical pipes and multiple horizontal pipes. The two ends of the horizontal pipes are fixedly connected to the two vertical pipes. The length direction of the horizontal pipes is perpendicular to the length direction of the vertical pipes, and the multiple horizontal pipes are evenly distributed along the length direction of the vertical pipes. The heat sinks 22 are generally in the form of ring-shaped plates. They are fixedly installed on the outside of the multiple horizontal pipes of the heating pipes 21, and the multiple heat sinks 22 on the same horizontal pipe are evenly distributed along the length direction of the horizontal pipe, so as to facilitate the heating pipes 21 to dissipate heat outward. In this embodiment, the heating component 2 is preferably installed by a frame fixedly installed in the drying chamber 1. It is installed in a position parallel to the side wall of the adjacent drying space 11, and is close to the bottom wall and centered relative to the side wall of the adjacent drying space 11. Since the heating component 2 with the above functions is common prior art, it will not be described in detail here, and it is only briefly shown in the figure. In addition, for the convenience of showing the heat sink 22 in the figure, the spacing between adjacent heat sinks 22 on the same horizontal tube is preferably large. In actual application, the arrangement density of heat sinks 22 on the same horizontal tube is even greater.
[0035] The heat source assembly 3 includes a heat source pipe 31 for conveying waste steam. The heat source pipe 31 forms a passage between adjacent heating pipes 21, allowing waste steam to pass through the three heating pipes 21 in sequence. Both ends of the heat source pipe 31 extend out of the drying chamber 1, with one end supplying waste steam and the other end discharging it. In this embodiment, the heat source pipe 31 is preferably a rigid pipe. When connected to the same heating pipe 21, it is connected to two vertical rods of the heating pipe 21, with the connection points located at the top and bottom of the corresponding vertical rods. Preferably, the portion of the heat source pipe 31 in the drying space 11 is distributed near the side wall of the drying space 11, ensuring sufficient space inside the drying space 11 for storing corrugated cardboard. Since the heat source pipe 31 with the above functions is common prior art, and the waste steam is a product of the corrugated cardboard production process, its structure and principle will not be described in detail here, and it is only briefly shown in the accompanying drawings.
[0036] The implementation principle of a corrugated cardboard drying device according to an embodiment of this application is as follows: When there is corrugated cardboard that needs to be shipped urgently and needs to be dried quickly, first open the opening 12, then send the corrugated cardboard into the drying space 11, so that the corrugated cardboard is as centered as possible in the drying space 11, and then close the opening 12. After the opening 12 is closed, the heat source component 3 is controlled to operate, so that the waste steam can pass through the three heating pipes 21 in sequence along the heat source pipe 31. During the process of the waste steam passing through the heating pipes 21, the heating pipes 21 will dissipate the heat of the waste steam into the drying space 11 through multiple heat sinks 22. Three heating pipes 21 simultaneously heat and dry the drying space 11, thereby ensuring that the corrugated cardboard in the drying space 11 is dried thoroughly and evenly, ultimately guaranteeing the quality of the shipped corrugated cardboard. Example 2:
[0037] Reference Figure 4 The difference between this embodiment and embodiment 1 lies in the heating component 2 and the heat source component 3, which can meet the different drying requirements of corrugated cardboard and further improve the efficiency and effect of drying corrugated cardboard.
[0038] The heating pipes 21 are movable relative to the drying chamber 1 within the drying space 11. The heating assembly 2 also includes three driving members 23, each corresponding to one of the three heating pipes 21, which drive the heating pipes 21 to move relative to the drying chamber 1. In this embodiment, the driving member 23 is preferably a servo motor, and preferably, the driving member 23 drives the frame on which the heating pipes 21 are mounted via a screw drive, with the direction of movement parallel to the length direction of the horizontal tube of the corresponding heating pipe 21. Since servo motors and screw drive structures are common existing technologies, they will not be described in detail here, and are only briefly shown in the accompanying drawings.
[0039] Correspondingly, to facilitate the movement of the heating pipe 21 relative to the drying chamber 1, the heat source pipe 31 preferably includes multiple rigid pipes 312 and multiple flexible pipes 311; wherein, the heat source pipe is directly and fixedly connected to the heating pipe 21 through the rigid pipes 312, and adjacent rigid pipes 312 are connected to each other through flexible pipes 311, so that the heating pipe 21 can achieve the effect of moving relative to the drying chamber 1. In this embodiment, the heat source pipeline 31 preferably consists of the following components along the direction of waste steam transport: a rigid pipe 312 inserted into and fixedly installed in the drying chamber 1 near the opening 12; a flexible pipe 311 connecting the rigid pipe 312 to the adjacent heating pipeline 21; a rigid pipe 312 directly connected to the heating pipeline 21; a flexible pipe 311 connecting the adjacent heating pipeline 21; a rigid pipe 312 directly connected to the heating pipeline 21; a flexible pipe 311 connecting the adjacent heating pipeline 21; a rigid pipe 312 directly connected to the heating pipeline 21; a flexible pipe 311 connecting the rigid pipe 312 to the adjacent heating pipeline 21; and a rigid pipe 312 inserted into and fixedly installed in the drying chamber 1 near the opening 12.
[0040] The implementation principle of a corrugated cardboard drying device according to an embodiment of this application is as follows: When corrugated cardboard needs to be shipped urgently and requires rapid drying, the staff can control the movement of three heating pipes 21 relative to the drying chamber 1 according to the position of the corrugated cardboard in the drying space 11 or the degree of moisture in different parts of the corrugated cardboard. This allows the heating pipes 21 to be as close as possible to the corrugated cardboard and the more severely damp areas on the corrugated cardboard, thereby enabling more efficient drying of the corrugated cardboard. Example 3:
[0041] Reference Figure 5 and Figure 6 The difference between this embodiment and embodiment 2 lies in the heating component 2 and the heat source component 3, which can effectively improve the uniformity of the drying process of the corrugated cardboard by the drying device, and further improve the drying efficiency and effect to ensure the final quality of the corrugated cardboard after drying.
[0042] Preferably, three drive units 23 are used to control the three heating pipes 21 to move synchronously in a certain direction around the corrugated cardboard in the drying space 11. After moving synchronously in a certain direction to the limit position, the three drive units 23 can also control the three heating pipes 21 to move synchronously in the opposite direction, and so on in a cycle.
[0043] When the corrugated cardboard is placed in the center of the drying space 11 and the moisture distribution on the corrugated cardboard is relatively uniform, during the operation of the heat source component 3, the three heating pipes 21 keep moving according to the above-mentioned rules, which can make the heating and drying effect of the three heating pipes 21 on the drying space 11 more uniform, thereby making the drying treatment effect of the corrugated cardboard more uniform.
[0044] Furthermore, in order to reduce the probability of the hose 311 in the heat source pipeline 31 being damaged, tangled or even knotted during the bending and movement of the heating pipeline 21, the heat source assembly 3 preferably also includes two first limiting members 32 and two second limiting members 33 for limiting the hose 311.
[0045] The first limiting member 32 is used to limit the range of bending movement of the hose 311 installed between adjacent heating pipes 21, and the two first limiting members 32 correspond one-to-one with the two hoses 311 installed between adjacent heating pipes 21.
[0046] The first limiting member 32 is cylindrical in shape and is rotatably mounted at the bottom of the drying chamber 1 and located at the corner of the drying space 11 between the adjacent heating pipes 21. Its rotation axis coincides with its own axis and is vertical. A clearance space 13 is formed between the first limiting member 32 and the corner of the adjacent drying space 11 for the hose 311 to pass through. As the hose 311 passes through the clearance space 13 and bends with the movement of the adjacent heating pipes 21, it remains in contact with the first limiting member 32 while passing through the clearance space 13. During this process, the first limiting member 32 will rotate relative to the drying chamber 1.
[0047] The second limiting member 33 is used to limit the range of bending movement of the hoses 311 installed on both sides of the opening 12, and the two second limiting members 33 correspond one-to-one with the hoses 311 installed on both sides of the opening 12.
[0048] The second limiting member 33 is cylindrical in shape and is movably installed on the side of the drying chamber 1 near the opening 12. Its direction of movement is vertical, and it is installed with its axis horizontal and perpendicular to the direction of the opening 12. When two heating pipes 21 adjacent to the second limiting member 33 are aligned along the axis of the second limiting member 33, the two second limiting members 33 are also aligned along their own axes. The flexible hose 311 is installed around the top of the corresponding second limiting member 33, and remains in contact with the top of the second limiting member 33 as the heating pipe 21 moves and bends. Several elastic members 34 are installed between the second limiting member 33 and the drying chamber 1. The two ends of the elastic members 34 are fixedly connected to the second limiting member 33 and the drying chamber 1 respectively, and they have a tendency to drive the second limiting member 33 upward to its limit position. In this embodiment, the elastic members 34 are preferably compression springs, and preferably installed below the second limiting member 33.
[0049] At this time, under the action of the elastic member 34, the second limiting member 33 will ensure that the corresponding hose 311 remains in contact with the top of the second limiting member 33 and remains in a stretched state during the bending movement of the heating pipe 21, thereby effectively reducing the probability of the hose 311 being damaged, tangled or even knotted during bending.
[0050] Furthermore, in order to promote the uniform distribution of heat in the drying space 11 with the gas flow, thereby further improving the efficiency and effect of the drying process of corrugated cardboard in the drying space 11, the heat source assembly 3 preferably also includes two first fans 35 and two second fans 36.
[0051] Reference Figure 5 Two first fans 35 correspond one-to-one with two first limiting members 32. The first fan 35 is fixedly installed above the corresponding first limiting member 32, and its axis coincides with the rotation axis of the first limiting member 32. As the first limiting member 32 rotates with the bending movement of the hose 311, the corresponding first fan 35 will rotate relative to the drying chamber 1, thereby driving the heat in the drying space 11 to flow around the corrugated cardboard. In this embodiment, the first fan 35 is preferably a straight-bladed fan. Since the first fan 35 with the above-mentioned functions is common prior art, it will not be described in detail here, and it is only briefly shown in the accompanying drawings.
[0052] Reference Figure 6 and Figure 7Two second fans 36 correspond one-to-one with two second limiting members 33. The second fan 36 is rotatably mounted on the corresponding second limiting member 33 and is located on the side of the second limiting member 33 near the opening 12. The rotation axis of the second fan 36 coincides with its own axis and the rotation axis of the corresponding second limiting member 33. The side wall of the drying chamber 1 has a rack structure 14 (simplified in the figure) in the vertical direction near the second limiting member 33. The end of the second fan 36 near the rack structure 14 has a gear structure 361 (simplified in the figure) that meshes with the rack structure 14. The gear structure 361 and the rack structure 14 are kept meshed during the movement of the second fan 36 with the corresponding second limiting member 33.
[0053] Reference Figure 6 and Figure 8 During the movement of the two second limiting members 33 as the corresponding hose 311 bends, the two second limiting members 33 move in opposite directions and synchronously. During this process, both second fans 36 will rotate relative to the corresponding second limiting members 33, driving the heat in the drying space 11 to flow from the side of the corrugated cardboard near the opening 12 along a direction parallel to the axis of the second limiting member 33, and the two second fans 36 drive the gas flow in opposite directions; during this process, the heat in the drying space 11 will circulate on the side of the corrugated cardboard near the opening 12. In this embodiment, the second fan 36 is preferably a fan with blades having a certain degree of inclination; since the second fan 36 with the above function is common prior art, it will not be described in detail here, and it is only briefly shown in the accompanying drawings.
[0054] The implementation principle of a corrugated cardboard drying device according to an embodiment of this application is as follows: When corrugated cardboard needs to be quickly dried for urgent shipment, the cardboard is fed into the drying space 11 and the heat source component 3 is activated to provide heat to the heating component 2. The three heating pipes 21 then reciprocate around the cardboard relative to the drying chamber 1, heating and drying different parts of the cardboard to improve the uniformity of the drying process. Simultaneously, the two first limiting members 32 and the two second limiting members 33 restrict the bending space of the hose 311 as it bends with the heating pipes 21, reducing the probability of damage, tangling, or even knotting, extending its service life, and ensuring the stability of the heat source component 3. Furthermore, the two first fans 35 and the two second fans 36 rotate with the heating pipes 21, promoting gas flow in the drying space 11, resulting in a more uniform heat distribution and further improving the uniformity of the drying process. This also enhances the drying efficiency and effect of the cardboard.
[0055] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A drying apparatus for corrugated cardboard, disposed in a drying chamber (1), characterized in that, It includes a heating component (2) and a heat source component (3); The drying chamber (1) is located inside the factory building and has a drying space (11) inside. The drying space (11) forms an opening (12) that can be opened and closed on one side of the drying chamber (1), and the drying chamber (1) has a heat insulation layer on the inner wall of the drying space (11). The heating assembly (2) includes several heating pipes (21) and multiple heat sinks (22). The heating pipes (21) are disposed in the drying space (11) and close to the inner wall of the drying space (11), and the heat sinks (22) are disposed on the outer side of the heating pipes (21). The heat source assembly (3) includes several heat source pipelines (31) for conveying waste steam, and the several heat source pipelines (31) are connected to the several heating pipelines (21).
2. The drying apparatus for corrugated cardboard according to claim 1, characterized in that, The heating assembly (2) includes three heating pipes (21), and the three heating pipes (21) are located on the three sides of the drying space (11) away from the opening (12).
3. The drying apparatus for corrugated cardboard according to claim 2, characterized in that, The heating pipe (21) is movably connected to the drying chamber (1), and the heat source pipe (31) includes multiple hoses (311), and the heating pipe (21) is connected to the hoses (311).
4. The drying apparatus for corrugated cardboard according to claim 3, characterized in that, The heating assembly (2) includes three driving elements (23) corresponding to the three heating pipes (21) one by one, and the driving elements (23) are used to drive the corresponding heating pipes (21) to move.
5. A drying apparatus for corrugated cardboard according to claim 4, characterized in that, The three drive units (23) respectively drive the three heating pipes (21) to move synchronously around the center of the drying space (11) in the same circumferential direction.
6. A drying apparatus for corrugated cardboard according to claim 5, characterized in that, The adjacent heating pipes (21) are connected to each other through the hose (311), and the heat source assembly (3) includes two first limiting members (32) for limiting the hose (311). The first limiting member (32) is disposed in the drying space (11) and located between adjacent heating pipes (21), and forms a clearance space (13) between it and the corner of the adjacent drying space (11) for the hose (311) to pass through; as the hose (311) moves with the heating pipe (21), the hose (311) remains in the clearance space (13) and in contact with the adjacent first limiting member (32).
7. A drying apparatus for corrugated cardboard according to claim 6, characterized in that, The first limiting member (32) is rotatably connected to the drying chamber (1) and its rotation axis is vertical, and a first fan (35) is provided on the first limiting member (32). As the hose (311) moves along with the heating pipe (21), the hose (311) drives the first limiting member (32) to rotate, and the first fan (35) rotates with the first limiting member (32) to form an airflow in the drying space (11).
8. A drying apparatus for corrugated cardboard according to claim 5, characterized in that, The heat source assembly (3) also includes two second limiting members (33) for limiting the hose (311). The second limiting member (33) is movably disposed in the drying space (11) in the vertical direction, and the two second limiting members (33) are respectively located on both sides of the opening (12); the hose (311) passes over the adjacent second limiting member (33) and keeps in contact with the adjacent second limiting member (33); a plurality of elastic members (34) are disposed between the second limiting member (33) and the drying chamber (1), and the elastic members (34) have the tendency to drive the second limiting member (33) to move upward so that the adjacent hose (311) remains stretched.
9. A drying apparatus for corrugated cardboard according to claim 8, characterized in that, A second fan (36) is rotatably mounted on the second limiting member (33), and the rotation axis of the second fan (36) is horizontal; a rack structure (14) is provided in the vertical direction around the second limiting member (33) in the drying chamber (1), and the second fan (36) meshes with the adjacent rack structure (14) through a gear structure (361); during the movement of the second limiting member (33), the second fan (36) rotates accordingly, driving the airflow to pass through the drying space (11) near the opening (12).
10. A drying apparatus for corrugated cardboard according to claim 9, characterized in that, When the three heating pipes (21) move synchronously around the center of the drying space (11) in the same circumferential direction, the two second fans (36) drive the airflow in opposite directions.