Drying cylinder heat conduction and dispersion device
By introducing a motor-driven cleaning mechanism and circulating steam system into the heat conduction and dispersion device of the drying cylinder, the problem of dirt cleaning and heat transfer efficiency of the drying cylinder surface is solved, and a more efficient dirt cleaning and heat transfer effect is achieved.
Patent Information
- Application Number
- CN202420506745.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-03-15
AI Technical Summary
The existing drying cylinder heat conduction and dispersion device is difficult to clean the dirt on the surface of the drying cylinder, affecting the heat transfer efficiency.
A heat conduction and dispersion device for drying cylinders including support frame, pipe, housing, cylinder head and cleaning mechanism is designed. The scraper slides through the motor-driven cam and connecting rod, cleans up dirt on the surface of the housing, and extends steam through the circulation mechanism. The residence time in the shell improves heat transfer effect.
Effectively clean the dirt on the surface of the dryer to avoid dirt affecting heat transfer efficiency, and improve heat transfer effect by extending the steam residence time.
Smart Images
Figure CN222205868U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of papermaking devices, in particular to a drying cylinder heat conduction and dispersion device. Background Art
[0002] The drying cylinder used in papermaking is generally a hollow cylinder made of metal. The cylindrical outer surface of the drying cylinder is used to tension and convey the continuous paper to be dried. During the operation of the drying cylinder, steam is passed through the drying cylinder to heat the drying cylinder, thereby transferring the heat to the outer surface of the drying cylinder to dry the conveyed paper.
[0003] The existing heat conduction and dispersion device of the drying cylinder usually sets a connecting pipe inside the drying cylinder to allow steam to pass through the pipe inside the drying cylinder. The surface temperature of the drying cylinder is increased due to the conduction of heat. However, scaling may occur in the drying cylinder during operation. It is difficult to clean the dirt on the surface of the drying cylinder with the existing device, which easily affects the heat transfer efficiency.
[0004] Therefore, in order to solve the above problems, a drying cylinder heat conduction dispersion device has been developed, which can clean the dirt on the surface of the drying cylinder to prevent the dirt from affecting the heat transfer efficiency. Utility Model Content
[0005] In order to overcome the shortcomings of existing devices that it is difficult to clean dirt on the surface of the drying cylinder and easily affect the heat transfer efficiency, the utility model provides a drying cylinder heat conduction and dispersion device that can clean dirt on the surface of the drying cylinder and prevent the dirt from affecting the heat transfer efficiency.
[0006] The technical implementation scheme of the utility model is: a drying cylinder heat conduction and dispersion device, including a first support frame, a pipeline, an outer shell, a cylinder cover and a cleaning mechanism, the upper part of the first support frame is connected to the pipeline, the outer shell is arranged outside the pipeline, the left and right parts of the outer shell are connected to the cylinder cover, the cylinder cover is rotatably connected to the pipeline, the pipeline is used to transport steam, and the outer shell is heated by the steam in the pipeline during rotation, so that the heat is conducted to the outer surface of the outer shell to dry the transported paper, and the first support frame is provided with a cleaning mechanism for cleaning the dirt on the outer surface of the outer shell.
[0007] More preferably, the pipeline is a spiral structure, which can increase the residence time of the steam inside the shell.
[0008] More preferably, the cleaning mechanism includes a fixed frame, a motor, a cam, a connecting rod, a scraper, a second support frame and a guide rod, a fixed frame is connected to the right side of the rear lower portion of the first support frame, a motor is connected to the fixed frame, a cam is connected to the motor output shaft, a guide rod is connected to the lower portion of the first support frame, a plurality of second support frames are slidably connected to the guide rod, scrapers are connected between the second support frames, a connecting rod is rotatably connected between the lower right portion of the scraper and the cam, the cam is driven by rotation of the motor output shaft, and under the guidance of the guide rod, the cam rotates through the connecting rod to drive the scraper and the second support frame to slide left and right, and the left and right sliding of the scraper can facilitate the scraping of dirt on the outer surface of the outer shell.
[0009] More preferably, the upper sides of both the front and rear parts of the scraper are inclined structures.
[0010] More preferably, a limit block is provided on the right side of the guide rod to limit the second support frame.
[0011] More preferably, a circulation mechanism is also included, the circulation mechanism includes a circulation pipe, a first one-way valve and a second one-way valve, a circulation pipe is arranged inside the shell, the left end of the circulation pipe is connected to the first one-way valve, the right end of the circulation pipe is connected to the second one-way valve, the first one-way valve and the second one-way valve are both connected to the pipeline, under the action of the first one-way valve and the second one-way valve, the steam in the right pipeline can be controlled to flow into the circulation pipe, and after flowing in the circulation pipe to heat the shell, it is merged into the left pipeline to flow out.
[0012] The utility model has the following advantages: 1. The utility model controls the cam to rotate through a motor. The rotation of the cam drives the scraper to slide left and right through the connecting rod to scrape the dirt on the outer surface of the shell, which can clean the dirt on the surface of the drying cylinder to prevent the dirt from affecting the heat transfer efficiency.
[0013] 2. The utility model controls the steam in the right pipe to flow into the circulation pipe through the first one-way valve and the second one-way valve, and then flows in the circulation pipe to heat the shell and then flows into the left pipe to flow out, which can extend the residence time of the steam in the shell and improve the heat transfer effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0015] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the utility model.
[0016] Figure 3 It is a schematic diagram of a first cross-sectional three-dimensional structure of the cleaning mechanism of the utility model.
[0017] Figure 4 It is a schematic diagram of a second cross-sectional three-dimensional structure of the cleaning mechanism of the utility model.
[0018] Figure 5 It is a three-dimensional structural schematic diagram of the circulation mechanism of the utility model.
[0019] The meanings of the reference numerals in the figure are: 1. first support frame, 2. pipeline, 3. casing, 4. cylinder head, 5. cleaning mechanism, 51. fixing frame, 52. motor, 53. cam, 54. connecting rod, 55. scraper, 56. second support frame, 57. guide rod, 6. circulation mechanism, 61. circulation pipe, 62. first one-way valve, 63. second one-way valve. DETAILED DESCRIPTION
[0020] The technical solution is further described below in conjunction with specific embodiments. It should be noted that the words indicating directions such as up, down, left, and right mentioned in this article are only for the position of the structure shown in the corresponding drawings. The serial numbers of the parts in this article, such as first, second, etc., are only used to distinguish the objects described and do not have any order or technical meaning. The words such as connection and coupling in this application include direct and indirect connection (coupling) unless otherwise specified.
[0021] A drying cylinder heat conduction and dispersion device, such as Figure 1 and Figure 2 As shown, it includes a first support frame 1, a pipeline 2, an outer shell 3, a cylinder head 4 and a cleaning mechanism 5. The upper part of the first support frame 1 is connected to the pipeline 2, and the outer shell 3 is arranged outside the pipeline 2. The left and right parts of the outer shell 3 are connected to the cylinder head 4, and the cylinder head 4 is rotatably connected to the pipeline 2. The pipeline 2 is a spiral structure, which can increase the residence time of steam inside the outer shell. The first support frame 1 is provided with a cleaning mechanism 5.
[0022] like Figure 1 , Figure 3 and Figure 4 As shown, the cleaning mechanism 5 includes a fixed frame 51, a motor 52, a cam 53, a connecting rod 54, a scraper 55, a second support frame 56 and a guide rod 57. The fixed frame 51 is connected to the right side of the lower rear portion of the first support frame 1, the fixed frame 51 is connected to the motor 52, the cam 53 is connected to the output shaft of the motor 52, the lower portion of the first support frame 1 is connected to the guide rod 57, two second support frames 56 are slidably connected to the guide rod 57, a limit block is provided on the right side of the guide rod 57, which can limit the second support frames 56, a scraper 55 is connected between the second support frames 56, the upper sides of the front and rear parts of the scraper 55 are both inclined structures, and a connecting rod 54 is rotatably connected between the lower right part of the scraper 55 and the cam 53.
[0023] When the utility model is in use, it is first necessary to install the utility model in the operation area, and then the steam is transported through the pipe 2. When the shell 3 rotates, the steam in the pipe 2 heats the shell 3, so that the heat is transferred to the outer surface of the shell 3 to dry the transported paper. Then the motor 52 can be started, and the output shaft of the motor 52 rotates to drive the cam 53 to rotate. Under the guidance of the guide rod 57, the cam 53 rotates and drives the scraper 55 and the second support frame 56 to slide left and right through the connecting rod 54. The left and right sliding of the scraper 55 can facilitate the scraping of dirt on the outer surface of the shell 3, thereby improving the heat transfer efficiency. After the dirt is scraped off, the motor 52 can be turned off.
[0024] like Figure 2 and Figure 5 As shown, it also includes a circulation mechanism 6, which includes a circulation pipe 61, a first one-way valve 62 and a second one-way valve 63. The circulation pipe 61 is arranged inside the shell 3, the left end of the circulation pipe 61 is connected to the first one-way valve 62, and the right end of the circulation pipe 61 is connected to the second one-way valve 63. The first one-way valve 62 and the second one-way valve 63 are both connected to the pipeline 2.
[0025] By using the circulation mechanism 6 of the utility model, the residence time of the steam in the outer shell 3 can be prolonged and the heat transfer effect can be improved. Under the action of the first one-way valve 62 and the second one-way valve 63, the steam in the right pipe 2 can be controlled to flow into the circulation pipe 61, and the steam flows in the circulation pipe 61 to heat the outer shell 3 and then flows into the left pipe 2 to flow out.
[0026] Although the present disclosure has been shown and described with reference to specific exemplary embodiments of the present disclosure, it should be understood by those skilled in the art that various changes in form and details may be made to the present disclosure without departing from the spirit and scope of the present disclosure as defined by the appended claims and their equivalents. Therefore, the scope of the present disclosure should not be limited to the above-mentioned embodiments, but should be determined not only by the appended claims, but also by the equivalents of the appended claims.
Claims
1. A drying cylinder heat conduction and dispersion device, characterized in that: The invention comprises a first support frame (1), a pipeline (2), an outer shell (3), a cylinder cover (4) and a cleaning mechanism (5); the upper part of the first support frame (1) is connected to the pipeline (2); the outer shell (3) is arranged outside the pipeline (2); the left and right parts of the outer shell (3) are connected to the cylinder cover (4); the cylinder cover (4) is rotatably connected to the pipeline (2); the pipeline (2) is used to transport steam; during the rotation of the outer shell (3), the steam in the pipeline (2) heats the outer shell (3), thereby transmitting the heat to the outer surface of the outer shell (3) to dry the transported paper; the first support frame (1) is provided with a cleaning mechanism (5) for cleaning dirt on the outer surface of the outer shell (3).
2. A drying cylinder heat conduction and dispersion device according to claim 1, characterized in that: The pipe (2) is a spiral structure, which can increase the residence time of the steam inside the shell.
3. A drying cylinder heat conduction and dispersion device according to claim 2, characterized in that: The cleaning mechanism (5) comprises a fixed frame (51), a motor (52), a cam (53), a connecting rod (54), a scraper (55), a second supporting frame (56) and a guide rod (57); the fixed frame (51) is connected to the right side of the lower rear portion of the first supporting frame (1); the motor (52) is connected to the fixed frame (51); the cam (53) is connected to the output shaft of the motor (52); the guide rod (57) is connected to the lower portion of the first supporting frame (1); and a plurality of second supporting frames are slidably connected to the guide rod (57). (56), a scraper (55) is connected between the second support frame (56), a connecting rod (54) is rotatably connected between the lower right part of the scraper (55) and the cam (53), the output shaft of the motor (52) rotates to drive the cam (53) to rotate, under the guidance of the guide rod (57), the cam (53) rotates through the connecting rod (54) to drive the scraper (55) and the second support frame (56) to slide left and right, and the scraper (55) slides left and right to facilitate scraping off the dirt on the outer surface of the housing (3).
4. A drying cylinder heat conduction and dispersion device according to claim 3, characterized in that: The upper sides of the front and rear parts of the scraper (55) are both inclined structures.
5. A drying cylinder heat conduction and dispersion device according to claim 4, characterized in that: A limiting block is provided on the right side of the guide rod (57) and can limit the position of the second support frame (56).
6. A drying cylinder heat conduction and dispersion device according to claim 5, characterized in that: The invention also comprises a circulation mechanism (6), the circulation mechanism (6) comprising a circulation pipe (61), a first one-way valve (62) and a second one-way valve (63). The outer shell (3) is provided with a circulation pipe (61), the left end of the circulation pipe (61) is connected to the first one-way valve (62), the right end of the circulation pipe (61) is connected to the second one-way valve (63), the first one-way valve (62) and the second one-way valve (63) are both connected to the pipeline (2), and under the action of the first one-way valve (62) and the second one-way valve (63), the steam in the right pipeline (2) can be controlled to flow into the circulation pipe (61), and the steam flows in the circulation pipe (61) to heat the outer shell (3) and then flows into the left pipeline (2) to flow out.