CN213476469U - Drying cylinder for paper machine - Google Patents
Drying cylinder for paper machine Download PDFInfo
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- CN213476469U CN213476469U CN202020943778.7U CN202020943778U CN213476469U CN 213476469 U CN213476469 U CN 213476469U CN 202020943778 U CN202020943778 U CN 202020943778U CN 213476469 U CN213476469 U CN 213476469U
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- drying cylinder
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Abstract
The utility model relates to a drying cylinder for a paper machine, which comprises a roller shell, a shell end cover, a bearing part and a pesticide spraying device; the shell end covers are arranged on two sides of the roller shell, one end of each shell end cover is connected with the roller shell, and the other end of each shell end cover is connected with the bearing component; the pesticide spraying device is arranged below the roller shell; the pesticide spraying device comprises a pump body, a nozzle and an air inlet pipeline; the pump body is communicated with the nozzle, and the air inlet pipeline is communicated with the nozzle. The utility model discloses a dryer forms the glossy protection film of one deck on dryer roller shell surface through spouting the medicine device, and wet paper page or leaf contacts dryer roller shell surface back, and the protection film is kept apart dryer roller shell surface and wet paper page or leaf, and debris such as paper page surface glues thing, tiny paper wool can't closely glue on dryer roller shell surface, guarantees the cleanness on dryer roller shell surface, prevents the paper break, improves the paper quality, guarantees paper machine normal operating.
Description
Technical Field
The utility model relates to a papermaking machine technical field, in particular to a dryer for paper machine.
Background
In the paper making technology, slurry for coating needs to be input into the surface of a drying cylinder for drying, and in the actual production, along with the increase of the recycling times of waste paper raw materials, printing ink and adhesive tape which are used in a large amount in a packaging carton increase harmful substances entering a paper machine system. Because the number of times of recycling waste paper raw materials is large, fibers contained in pulp made of waste paper are short, paper wool falls off in a drying part, and ink and stickies are more and more, the paper wool, the ink and the stickies are easily adhered to the roller surface of a drying cylinder and then adhered to the surface of paper pages, the existing drying cylinder is cleaned through a scraper, the cleaning of the surface of the drying cylinder is not enough, so that black spots exist on the surface of the paper pages, the paper machine breaks paper and the like, and the normal operation of the paper machine and the quality of finished paper are seriously influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, a drying cylinder for a paper machine is needed to be provided, and the technical problems that in the prior art, due to the fact that the recovery times of raw materials of waste paper are high, fibers contained in pulp made of the waste paper are short, paper wool drops in a drying part, and more ink and stickies are generated, the paper wool, the ink and the stickies are easily adhered to the roller surface of the drying cylinder and then adhered to the surface of a paper sheet, the conventional drying cylinder is cleaned through a scraper and cannot be cleaned enough to ensure the surface of the drying cylinder, so that black spots exist on the surface of the paper sheet, the paper machine breaks, and the like, and the normal operation of the paper machine and the quality of finished paper.
In order to achieve the above object, the inventor provides a drying cylinder for a paper machine, comprising a roll shell, shell end covers, a bearing part and a pesticide spraying device;
the shell end covers are arranged on two sides of the roller shell, one end of each shell end cover is connected with the roller shell, and the other end of each shell end cover is connected with the bearing component;
the pesticide spraying device is arranged below the roller shell;
the pesticide spraying device comprises a pump body, a nozzle and an air inlet pipeline;
the pump body is communicated with the nozzle, and the air inlet pipeline is communicated with the nozzle.
As a preferred structure of the utility model, the nozzle has more than two, more than two the nozzle respectively with the pump body intercommunication, more than two the nozzle respectively with the admission line intercommunication.
As a preferred structure of the utility model, spout the medicine device and still include actuating mechanism and slide mechanism, actuating mechanism set up in slide mechanism one side, actuating mechanism is used for the drive slide mechanism slides, the nozzle with slide mechanism sliding connection.
As a preferred structure of the utility model, spout the medicine device and still include the install bin, slide mechanism set up in the install bin.
As an optimized structure of the present invention, the driving mechanism is a motor.
As a preferred structure of the utility model, slide mechanism includes drive sprocket, driven sprocket and chain, the motor with the drive sprocket transmission is connected, drive sprocket driven sprocket mutually support between the chain.
As a preferred structure of the utility model, slide mechanism still includes the mount pad, the mount pad set up in on the chain, the nozzle install in on the mount pad.
As an optimized structure of the utility model, the medicine spraying device further comprises a hose, the pump body and the nozzle passes through the hose intercommunication.
As a preferred structure of the utility model, the dryer still includes scraper device, scraper device set up in roller shell one side.
As a preferred structure of the utility model, the dryer still includes steam conduit and condensation duct, steam conduit with the roller shell intercommunication, condensation duct with the roller shell intercommunication.
Different from the prior art, the technical scheme has the following advantages: the cleaning agent is pressurized by the pump body, then is mixed and atomized with compressed air in the air inlet pipeline, and then is sprayed out through the nozzle, the drying cylinder roller shell continuously rotates in work, the atomized cleaning agent is continuously sprayed to the surface of the rotating drying cylinder roller shell, a layer of smooth protective film is formed on the surface of the drying cylinder roller shell, after a wet paper sheet contacts the surface of the drying cylinder roller shell, the surface of the drying cylinder roller shell is separated from the wet paper sheet by the protective film, and the adhesive, fine paper wool and other sundries on the surface of the paper sheet cannot be tightly adhered to the surface of the drying cylinder roller shell, so that the surface of the drying cylinder roller shell is ensured to be clean, paper breakage is prevented, the paper forming quality is improved.
Drawings
FIG. 1 is a schematic view of a dryer according to an embodiment;
fig. 2 is a schematic structural diagram of a sliding mechanism according to an embodiment.
Description of reference numerals:
1. the roller shell is provided with a roller shell,
2. the end cover of the shell is provided with a cover,
3. a bearing component, a bearing component and a bearing component,
4. a pesticide spraying device is arranged on the base plate,
41. a pump body which is provided with a plurality of pump bodies,
42. a nozzle is arranged at the bottom of the spray nozzle,
43. an air inlet pipeline is arranged on the air inlet pipeline,
44. a driving mechanism for driving the motor to rotate,
45. a sliding mechanism is arranged on the base plate,
451. a driving chain wheel is arranged on the chain wheel,
452. a driven chain wheel is arranged on the driven chain wheel,
453. the chain is arranged on the upper portion of the chain,
454. a mounting seat is arranged on the base plate,
46. the installation box is installed on the base plate,
47. a flexible tube is arranged on the outer side of the main body,
5. the support mechanism is used for supporting the movable support frame,
6. a steam pipeline is arranged in the steam pipe,
61. a steam joint is arranged on the upper portion of the steam pipe,
7. a condensing pipeline is arranged on the upper portion of the shell,
71. and a condensation joint.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
Referring to fig. 1 and 2, the present embodiment relates to a drying cylinder for a paper machine, which comprises a roll shell 1, a shell end cover 2, a bearing component 3 and a pesticide spraying device 4; further, the shell end caps 2 are disposed on two sides of the roll shell 1, specifically, in this embodiment, as shown in fig. 1, two shell end caps 2 are respectively disposed on two sides of the roll shell 1. One end of each of the two shell end covers 2 is connected with the roller shell 1, and the other end of each of the two shell end covers 2 is connected with the bearing component 3. Specifically, in this embodiment, the bearing component 3 includes a bearing seat and a roller bearing, one end of the shell end cap 2 is fixedly connected with the bearing seat, and the roller bearing is movably mounted inside the bearing seat.
Further, in some embodiments, as shown in fig. 1, the drying cylinder further comprises a supporting mechanism 5, the supporting mechanism 5 is fixedly connected with the bearing component 3, specifically, in this embodiment, the supporting mechanism 5 is fixedly connected with a bearing seat, and the supporting mechanism 5 is used for supporting the drying cylinder.
Further, in some embodiments, as shown in fig. 1, the cylinder further comprises a steam conduit 6, said steam conduit 6 being in communication with the roll shell 1. Specifically, a steam joint 61 is installed at one end of the steam pipeline 6, the steam joint 61 is communicated with the steam pipeline 6, saturated steam is connected from the steam joint 61 and flows into the roller shell 1 through the steam pipeline 6, the saturated steam introduced from the steam joint 61 is condensed in the drying cylinder, the temperature of the drying cylinder is raised through released heat, therefore, paper sheets running on the surface of the roller shell 1 are heated, and the heat is transferred to the paper sheets in contact with the surface of the drying cylinder. Further, in some embodiments, turbulence bars (not shown) are installed in the cross-web direction on the inner surface of the roll shell 1, and the purpose of the turbulence bars is to break the condensed water ring formed in the drying cylinder rotating at high speed, so as to generate more turbulence. The turbulence bar is arranged on the inner surface of the drying cylinder in the transverse width direction and rotates at the same speed with the drying cylinder, so that the turbulence bar can stir the water ring to generate turbulence and is beneficial to heat conduction. Further, in some embodiments, as shown in fig. 1, the drying cylinder further includes a condensation duct 7, the condensation duct 7 is communicated with the roll shell 1, specifically, a condensation joint 71 is installed at one end of the condensation duct 7, and the condensation joint 71 is communicated with the condensation duct 7. Furthermore, a siphon is arranged in the roller shell 1 and is communicated with the condensation pipeline 7, a large amount of condensed water is generated after the steam releases heat and is condensed, the condensed water is attached to the inner surface of the drying cylinder by centrifugal force due to the rotation of the drying cylinder, a water ring is formed under the condition of high angular velocity, the heat is blocked from being transferred to the surface of the drying cylinder, and therefore the siphon is required to discharge the condensed water in time.
Further, in some embodiments, as shown in fig. 1, the spraying device 4 is disposed below the roller shell 1; the spraying device 4 comprises a pump body 41, a nozzle 42 and an air inlet pipeline 43; the pump body 41 communicates with the nozzle 42, and the air intake duct 43 communicates with the nozzle 42. Preferably, in this embodiment, the pump body 41 is a pressurizing pump. Further, in some embodiments, there are more than two nozzles 42, two or more nozzles 42 are respectively communicated with the pump body 41, and two or more nozzles 42 are respectively communicated with the air inlet duct 43.
Preferably, in this embodiment, the cleaning agent selected by the spraying device 4 mainly comprises a mixture of mineral oil and fatty acid ester, the mineral oil can be silicone oil, and the cleaning agent is liquid. Specifically, the cleaning agent is sprayed on the surface of the drying cylinder roller shell 1, so that a layer of smooth protective film is formed on the surface of the roller shell 1, and after the wet paper sheet is contacted with the surface of the drying cylinder roller shell 1, the surface of the drying cylinder roller shell 1 is separated from the wet paper sheet by the protective film, so that the adhesion of sundries such as sticky matters, fine paper wool and the like on the surface of the paper sheet to the surface of the drying cylinder roller shell 1 is prevented.
In the present embodiment, the gas flowing into the intake duct 43 is compressed air. Specifically, in this embodiment, as shown in fig. 1, the spraying device 4 further includes a hose 47, the pump body 41 is communicated with the nozzle 42 through the hose 47, and preferably, the hose 47 is a steel wire hose 47. Specifically, in this embodiment, one end of the air inlet pipe 43 is connected to the hose 47, and the other end of the air inlet pipe 43 is connected to an air pressure tank in the paper machine, through which compressed air is supplied to the spraying device 4.
Specifically, in some embodiments, the cleaning agent is pressurized by the pump body 41, then mixed with compressed air in the air inlet pipeline 43 and atomized, and then sprayed out through the nozzle 42, the drying cylinder roller shell 1 continuously rotates during operation, the atomized cleaning agent is continuously sprayed onto the surface of the rotating drying cylinder roller shell 1, a smooth protective film is formed on the surface of the drying cylinder roller shell 1, after a wet paper sheet contacts the surface of the drying cylinder roller shell 1, the protective film separates the surface of the drying cylinder roller shell 1 from the wet paper sheet, and impurities such as adhesive on the surface of the paper sheet, fine paper wool and the like cannot be tightly adhered to the surface of the drying cylinder roller shell 1, so that the surface of the drying cylinder roller shell 1 is ensured to be clean, paper breakage is prevented, the paper forming quality is improved, and the normal operation of a.
Further, in some embodiments, as shown in fig. 1 and fig. 2, the spraying device 4 further includes a driving mechanism 44 and a sliding mechanism 45, the driving mechanism 44 is disposed on one side of the sliding mechanism 45, the driving mechanism 44 is configured to drive the sliding mechanism 45 to slide, and the nozzle 42 is slidably connected to the sliding mechanism 45. Specifically, in some embodiments, the cleaning agent is pressurized by the pump body 41, then mixed with compressed air in the air inlet pipeline 43 and atomized, and then sprayed out through the nozzle 42, the drying cylinder roller shell 1 continuously rotates during operation, the driving mechanism 44 drives the sliding mechanism 45 to slide, the sliding mechanism 45 drives the nozzle 42 to slide back and forth, the atomized cleaning agent is continuously sprayed onto the surface of the rotating drying cylinder roller shell 1 through the nozzle 42 which slides back and forth, so that a smooth protective film is formed on the surface of the drying cylinder roller shell 1, after a wet paper sheet contacts the surface of the drying cylinder roller shell 1, the protective film separates the surface of the drying cylinder roller shell 1 from the wet paper sheet, and impurities such as adhesive substances and fine paper wool on the surface of the paper sheet cannot be tightly adhered to the surface of the drying cylinder roller shell 1, thereby ensuring the cleanness of the surface of the drying cylinder roller shell 1, preventing paper breakage, improving the paper quality, and.
Preferably, in the present embodiment, the driving mechanism 44 is a motor, as shown in fig. 2, the sliding mechanism 45 includes a driving sprocket 451, a driven sprocket 452, and a chain 453, the motor is in transmission connection with the driving sprocket 451, the motor is used for driving the driving sprocket 451 to rotate, and the driving sprocket 451, the driven sprocket 452, and the chain 453 are engaged with each other. Preferably, in the present embodiment, as shown in fig. 2, the sliding mechanism 45 further includes a mounting seat 454, the mounting seat 454 is disposed on the chain 453, and the nozzle 42 is mounted on the mounting seat 454. The motor drives the driving sprocket 451 to rotate, and simultaneously drives the chain 453 and the driven sprocket 452 to rotate, and the chain 453 rotates to drive the mounting seat 454 to slide back and forth, so that the nozzle 42 on the mounting seat 454 is driven to slide back and forth. Further, in this embodiment, the pesticide spraying device 4 further includes a mounting box 46, and the sliding mechanism 45 is disposed in the mounting box 46. The slide mechanism 45 is mounted in the mounting box 46, and foreign materials such as stickies and fine paper dust are prevented from falling on the slide mechanism 45.
Specifically, in the embodiment, the cleaning agent is pressurized by the pump body 41, and then mixed and atomized with the compressed air in the air inlet pipeline 43, and then sprayed out through the nozzle 42, the drying cylinder roller shell 1 continuously rotates during operation, the motor drives the driving sprocket 451 to rotate, and simultaneously drives the chain 453 and the driven sprocket 452 to rotate, the chain 453 rotates to drive the mounting seat 454 to slide back and forth, so as to drive the nozzle 42 on the mounting seat 454 to slide back and forth, the atomized cleaning agent is continuously sprayed onto the surface of the rotating drying cylinder roller shell 1 by the nozzle 42 sliding back and forth, so as to form a smooth protective film on the surface of the drying cylinder roller shell 1, after the wet paper contacts the surface of the drying cylinder roller shell 1, the protective film separates the surface of the drying cylinder roller shell 1 from the wet paper, the surface of the paper can not be tightly adhered with adhesive, fine paper wool and other sundries, so as to ensure the surface cleaning of the drying cylinder, the paper breaking is prevented, the paper quality is improved, and the normal operation of the paper machine is ensured. Further, in this embodiment, the drying cylinder further comprises a doctor device (not shown), which is disposed on one side of the roll shell 1. Specifically, the scraper device comprises a knife rest and a scraper, and the scraper is arranged on the knife rest. Specifically, if there are a small part of stickies, fine paper wool and other sundries to stick on the surface of the drying cylinder, the sundries on the surface of the drying cylinder roller shell 1 are scraped completely by the scraper along with the rotation of the drying cylinder so as to ensure the cleanness of the surface of the drying cylinder.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.
Claims (10)
1. A drying cylinder for a paper machine, characterized in that: comprises a roller shell, a shell end cover, a bearing component and a pesticide spraying device;
the shell end covers are arranged on two sides of the roller shell, one end of each shell end cover is connected with the roller shell, and the other end of each shell end cover is connected with the bearing component;
the pesticide spraying device is arranged below the roller shell;
the pesticide spraying device comprises a pump body, a nozzle and an air inlet pipeline;
the pump body is communicated with the nozzle, and the air inlet pipeline is communicated with the nozzle.
2. A drying cylinder for a paper machine as claimed in claim 1, characterized in that: the nozzle has more than two, more than two the nozzle respectively with the pump body intercommunication, more than two the nozzle respectively with inlet duct intercommunication.
3. A drying cylinder for a paper machine as claimed in claim 1, characterized in that: the spraying device further comprises a driving mechanism and a sliding mechanism, the driving mechanism is arranged on one side of the sliding mechanism and used for driving the sliding mechanism to slide, and the nozzle is connected with the sliding mechanism in a sliding manner.
4. A drying cylinder for a paper machine as claimed in claim 3, characterized in that: the pesticide spraying device further comprises an installation box, and the sliding mechanism is arranged in the installation box.
5. A drying cylinder for a paper machine as claimed in claim 3, characterized in that: the driving mechanism is a motor.
6. A drying cylinder for a paper machine as claimed in claim 5, characterized in that: slide mechanism includes drive sprocket, driven sprocket and chain, the motor with the drive sprocket transmission is connected, drive sprocket driven sprocket the chain between mutually support.
7. A drying cylinder for a paper machine as claimed in claim 6, characterized in that: the sliding mechanism further comprises a mounting seat, the mounting seat is arranged on the chain, and the nozzle is mounted on the mounting seat.
8. A drying cylinder for a paper machine as claimed in claim 1, characterized in that: the spraying device further comprises a hose, and the pump body is communicated with the nozzle through the hose.
9. A drying cylinder for a paper machine as claimed in claim 1, characterized in that: the drying cylinder further comprises a scraper device, and the scraper device is arranged on one side of the roller shell.
10. A drying cylinder for a paper machine as claimed in claim 1, characterized in that: the drying cylinder further comprises a steam pipeline and a condensation pipeline, the steam pipeline is communicated with the roller shell, and the condensation pipeline is communicated with the roller shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020943778.7U CN213476469U (en) | 2020-05-29 | 2020-05-29 | Drying cylinder for paper machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020943778.7U CN213476469U (en) | 2020-05-29 | 2020-05-29 | Drying cylinder for paper machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213476469U true CN213476469U (en) | 2021-06-18 |
Family
ID=76390108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020943778.7U Active CN213476469U (en) | 2020-05-29 | 2020-05-29 | Drying cylinder for paper machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213476469U (en) |
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2020
- 2020-05-29 CN CN202020943778.7U patent/CN213476469U/en active Active
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