CN211713514U - Detachable heating roller for papermaking drying - Google Patents
Detachable heating roller for papermaking drying Download PDFInfo
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- CN211713514U CN211713514U CN202020059675.4U CN202020059675U CN211713514U CN 211713514 U CN211713514 U CN 211713514U CN 202020059675 U CN202020059675 U CN 202020059675U CN 211713514 U CN211713514 U CN 211713514U
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Abstract
The utility model discloses a papermaking is dried and is used detachable warming mill. Including roll body and seal installation at the end cover at roll body both ends, the end cover center is provided with the axis of rotation, the axis of rotation is hollow structure, be provided with two steam pipes in the roll body, the hollow structure of axis of rotation is run through out the roll body both ends respectively at the both ends of steam pipe, still be provided with the bearing in the hollow structure of axis of rotation, the axis of rotation at roll body both ends is connected through the bearing respectively at the both ends of steam pipe, two steam pipes in the roll body all are the heliciform dish and establish in the roll body, the steam pipe both ends set up steam inlet and steam outlet respectively, and the steam inlet of two steam pipes is located the both ends of roll body respectively, the inboard tip department that is close to the axis of rotation of end. The utility model discloses the homogeneity that effective paper was dried to reduce the energy consumption.
Description
Technical Field
The utility model relates to a papermaking processing machinery equipment field, concretely relates to papermaking is dried with detachable warming mill.
Background
The paper is a thin sheet made of plant fiber, and the paper making machine is a complete set of equipment assembly which forms paper web from paper pulp in a linkage manner, wherein the paper web comprises a main machine such as a head box, a net part, a pressing part, a drying part, a calender, a paper winder and a transmission part, and auxiliary systems such as steam, water, vacuum, lubrication, heat recovery and the like.
Most of existing heating rollers adopt heat conduction oil heating rollers, heat conduction oil is adopted as a heat medium to heat rollers, and the heat conduction oil heating rollers can heat the heat conduction oil through steam, so that the heating rollers can be used for shaping and drying paper. But to the conduction oil in-process, because the inside cavity of warming mill is great, the diameter is longer, and steam can cause the roll body both ends to have the difference in temperature when warming mill inner chamber, influences the heating performance of warming mill, and is inhomogeneous to the heating of wet paper web, and the area of roll body and paper contact generally does not exceed 50% of dryer outer cylinder area, and conventional heating is the circumference of whole roll body and all heats, and heat utilization is lower.
Disclosure of Invention
The utility model aims to provide a: the utility model provides a papermaking is dried with detachable warming mill has solved warming mill both ends temperature difference, influences the problem of paper stoving effect.
The utility model adopts the technical scheme as follows:
the utility model provides a papermaking is dried and is used detachable warming mill, includes roll body and the end cover of seal installation at the roll body both ends, the end cover center is provided with the axis of rotation, the axis of rotation is hollow structure, be provided with two steam pipes in the roll body, the hollow structure of axis of rotation is run through out the roll body both ends respectively at the both ends of steam pipe, still be provided with the bearing in the hollow structure of axis of rotation, the axis of rotation at roll body both ends is connected through the bearing respectively at the both ends of steam pipe, two steam pipes in the roll body all are the heliciform dish and establish in the roll body, the steam pipe both ends set up steam inlet and steam outlet respectively, and the steam inlet of two steam pipes is located the both ends of roll body respectively, the inboard tip department that is.
In the prior art, the cavity inside the heating roller is large, the diameter is long, steam passes through the inner cavity of the roller body, heat can be gradually transferred to the inner cavity of the roller body, the temperature of the steam is reduced and condensed, so that the heat transfer at the two ends of the inner cavity of the roller body is unequal, the utility model discloses a roller body and end covers which are hermetically installed at the two ends of the roller body, two steam pipes are arranged in the roller body, the steam inlets of the two steam pipes are respectively positioned at the two ends of the roller body, a sealing block is arranged in the roller body to seal heat-conducting media in the inner cavity of the roller body, the steam enters the inner cavity of the roller body from the two ends of the roller body respectively through the two steam pipes, so that the steam in the roller body flows in opposite directions, the steam transfers the heat to the heat-conducting, and the utility model provides a steam pipe is the heliciform dish and establishes at the roll body inner wall for the steam pipe is longer in the roll body inner path, and steam dwell time is long in the roll body, and steam is abundant to heat-conducting medium heat transfer, makes steam better to heat-conducting medium's heating effect, and simultaneously, the steam pipe is close to the roll body inner wall, has accelerated the heat transfer between steam, heat-conducting medium, roll body, the paper, and the paper stoving effect is better.
Furthermore, the side view of the spiral steam pipe is in a fan shape, the central angle of the fan shape is 60-120 degrees, and the arc line part of the fan shape is close to the inner wall of the roller body. By adopting the structure, the spiral steam pipe is not completely close to the inner wall of the roller body, the steam pipe part close to the inner wall of the roller body is an arc line, and the arc-shaped middle point is just opposite to the contact middle point of the paper and the roller body, so that the waste of heat in the paper area away from the roller body is reduced.
Furthermore, the spiral steam pipe in the roller body is flat. By adopting the structure, the contact area of the steam pipe and the heat-conducting medium is further increased, so that the heat transfer is more sufficient.
Further, the flat surface of the spiral steam pipe faces the inner wall of the roller body. By adopting the structure, the heat transfer to the surface of the roller body is further accelerated.
Furthermore, the two spiral steam pipes are wound in a staggered mode, and the distances among the spiral parts of the spiral steam pipes are equal. By adopting the structure, the heat-conducting medium in the roller body is heated uniformly, and the drying uniformity of the paper is improved.
Furthermore, a belt wheel is coaxially fixed on the rotating shaft, and the roller body is connected to the papermaking drying equipment through the belt wheel. By adopting the structure, the belt wheel is used for being matched with the external transmission device, and the external transmission device drives the roller body to rotate through the belt wheel so as to be matched with paper to move.
To sum up, owing to adopted this technical scheme, the beneficial effects of the utility model are that:
1. the utility model relates to a papermaking is dried and is used detachable warming mill is provided with two steam pipes in the roll body, and the steam in the steam pipe flows in the roll body in opposite directions for roll body both ends temperature evenly equals, carries out the drying by heating to the paper through the roll body, guarantees that the paper is heated and dries evenly.
2. The utility model relates to a papermaking is dried and is used detachable warming mill, the steam pipe is the heliciform dish and establishes at the roll body inner wall for the steam pipe is longer in the interior route of roll body, and steam dwell time is long in the roll body, and steam is abundant with heat-conducting medium fund heat transfer, makes steam better to heat-conducting medium's heating effect, and, the heliciform steam pipe is the platykurtic, and the area of contact of big steam pipe and heat-conducting medium makes the heat transfer more abundant.
3. The utility model relates to a papermaking is dried and is used detachable warming mill, the steam pipe is fan-shaped for heliciform and its side view, and the steam pipe of sectorial arc part is close to the roll body inner wall for the heat transfer between steam, heat-conducting medium, roll body, the paper stoving effect is better, and reduces the energy consumption.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts, and the proportional relationship of each component in the drawings in the present specification does not represent the proportional relationship in the actual material selection design, and is only a schematic diagram of the structure or the position, in which:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the structure of the medium steam pipe of the present invention.
Reference numerals in the drawings indicate:
the device comprises a roller body 1, an end cover 2, a rotating shaft 3, a steam pipe 4, a steam inlet 401, a steam outlet 402, a bearing 5, a sealing block 6, a heat-conducting medium 7 and a belt wheel 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations where mutually exclusive features are expressly stated.
The present invention will be described in detail with reference to the accompanying drawings.
Example one
As shown in fig. 1-2, the present invention is a detachable heating roller for drying paper, comprising a roller body 1 and end caps 2 hermetically mounted at two ends of the roller body 1, wherein a rotating shaft 3 is disposed at the center of the end caps 2, the rotating shaft 3 is a hollow structure, two steam pipes 4 are disposed in the roller body 1, two ends of each steam pipe 4 respectively penetrate through two ends of the roller body 1 from the hollow structure of the rotating shaft 3, a bearing 5 is further disposed in the hollow structure of the rotating shaft 3, two ends of each steam pipe 4 are respectively connected to the rotating shafts 3 at two ends of the roller body 1 through the bearings 5, two steam pipes 4 in the roller body 1 are spirally coiled in the roller body 1, two ends of each steam pipe 4 are respectively provided with a steam inlet 401 and a steam outlet 402, the steam inlets 401 of the two steam pipes 4 are respectively located at two ends of the roller body 1, a sealing block 6 is further disposed at an, and a heat-conducting medium 7 is filled in the roller body 1.
In the prior art, the cavity inside the heating roller is large, the diameter is long, steam passes through the inner cavity of the roller body, heat can be gradually transferred to the inner cavity of the roller body, the temperature of the steam is reduced and condensed, so that the heat transfer at two ends of the inner cavity of the roller body is unequal, the utility model discloses a roller body 1 and end covers 2 which are hermetically arranged at two ends of the roller body 1, two steam pipes 4 are arranged in the roller body 1, steam inlets 401 of the two steam pipes 4 are respectively positioned at two ends of the roller body 1, a sealing block 6 is arranged in the roller body 1 to seal a heat-conducting medium 7 in the inner cavity of the roller body 1, the steam enters the inner cavity of the roller body 1 from two ends of the roller body 1 through the two steam pipes 4 respectively, so that the steam in the roller body 1 flows oppositely, the steam transfers the heat to the heat-, carry out the heating and drying to the paper through roll body 1, it is even to guarantee that the paper is heated and dries, and the utility model provides a steam pipe 4 is the heliciform dish and establishes at 1 inner wall of roll body for the route is longer in roll body 1 for steam pipe 4, and steam dwell time is long in roll body 1, and steam is abundant to 7 heat transfer of heat-conducting medium, makes steam better to the heating effect of heat-conducting medium 7, and simultaneously, steam pipe 4 is close to 1 inner wall of roll body, has accelerated steam, heat-conducting medium 7, roll body 1, the heat transfer between the paper, and the paper stoving effect is better.
Example two
The embodiment is to further explain the present invention.
In this embodiment, on the basis of the above embodiments, in a preferable scheme of this embodiment, the side view of the spiral steam pipe 4 is a sector, the central angle of the sector is 60-120 degrees, and the arc line part is close to the inner wall of the roller body 1. By adopting the structure, the spiral steam pipe 4 is not completely close to the inner wall of the roller body 1, the steam pipe 4 close to the inner wall of the roller body 1 is an arc line, and the arc-shaped middle point is just opposite to the contact middle point of the paper and the roller body 1, so that the waste of heat in the paper area away from the roller body 1 is reduced.
EXAMPLE III
The embodiment is to further explain the present invention.
In this embodiment, on the basis of the above embodiment, in a preferable scheme of this embodiment, the spiral steam pipe 4 located in the roller body 1 is flat. With the structure, the contact area between the steam pipe 4 and the heat-conducting medium 7 is further increased, so that the heat transfer is more sufficient.
In a preferred embodiment of the present invention, the flat surface of the spiral steam pipe 4 faces the inner wall of the roller body 1. By adopting the structure, the heat transfer to the surface of the roller body 1 is further accelerated.
Example four
The embodiment is to further explain the present invention.
In the present embodiment, based on the above-mentioned embodiments, in a preferable scheme of the present embodiment, two spiral steam pipes 4 are wound in a staggered manner, and the intervals between the spiral parts of the spiral steam pipes 4 are equal. By adopting the structure, the heat-conducting medium 7 in the roller body 1 is heated uniformly, and the drying uniformity of the paper is improved.
EXAMPLE five
The embodiment is to further explain the present invention.
As shown in fig. 1, in this embodiment, on the basis of the above embodiment, in a preferable scheme of this embodiment, a pulley 8 is coaxially fixed on the rotating shaft 3, and the roller body 1 is connected to a papermaking drying apparatus through the pulley 8. With the structure, the belt wheel 8 is used for being matched with an external transmission device, and the external transmission device drives the roller body 1 to rotate through the belt wheel 8 so as to be matched with paper to move.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (6)
1. The utility model provides a papermaking is dried and is used detachable warming mill, includes roll body (1) and seal installation end cover (2) at roll body (1) both ends, its characterized in that: the roller is characterized in that a rotating shaft (3) is arranged at the center of the end cover (2), the rotating shaft (3) is of a hollow structure, two steam pipes (4) are arranged in the roller body (1), the two ends of each steam pipe (4) penetrate out of the two ends of the roller body (1) from the hollow structure of the rotating shaft (3) respectively, bearings (5) are further arranged in the hollow structure of the rotating shaft (3), the two ends of each steam pipe (4) are connected with the rotating shafts (3) at the two ends of the roller body (1) respectively through the bearings (5), the two steam pipes (4) in the roller body (1) are spirally coiled and arranged in the roller body (1), steam inlets (401) and steam outlets (402) are arranged at the two ends of the steam pipes (4) respectively, sealing blocks (6) are further arranged at the positions, close to the end portions of the rotating shaft (3), on the inner side of the end cover (2), and a heat-conducting medium (7) is filled in the roller body (1).
2. The detachable heating roller for drying paper making according to claim 1, characterized in that: the side view of the spiral steam pipe (4) is fan-shaped, the central angle of the fan-shaped steam pipe is 60-120 degrees, and the arc line part of the fan-shaped steam pipe is close to the inner wall of the roller body (1).
3. The detachable heating roller for drying paper making according to claim 1, characterized in that: the spiral steam pipe (4) positioned in the roller body (1) is flat.
4. The detachable heating roller for drying paper making according to claim 3, characterized in that: the flat surface of the spiral steam pipe (4) faces the inner wall of the roller body (1).
5. The detachable heating roller for drying paper making according to claim 1, characterized in that: the two spiral steam pipes (4) are wound in a staggered mode, and the distances among the spiral parts of the spiral steam pipes (4) are equal.
6. The detachable heating roller for drying paper making according to claim 1, characterized in that: the belt wheel (8) is coaxially fixed on the rotating shaft (3), and the roller body (1) is connected to the papermaking drying equipment through the belt wheel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020059675.4U CN211713514U (en) | 2020-01-13 | 2020-01-13 | Detachable heating roller for papermaking drying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020059675.4U CN211713514U (en) | 2020-01-13 | 2020-01-13 | Detachable heating roller for papermaking drying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211713514U true CN211713514U (en) | 2020-10-20 |
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ID=72823067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020059675.4U Active CN211713514U (en) | 2020-01-13 | 2020-01-13 | Detachable heating roller for papermaking drying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211713514U (en) |
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2020
- 2020-01-13 CN CN202020059675.4U patent/CN211713514U/en active Active
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